diff options
Diffstat (limited to 'nuttx/include/nuttx')
23 files changed, 1896 insertions, 152 deletions
diff --git a/nuttx/include/nuttx/arch.h b/nuttx/include/nuttx/arch.h index bf6be1ce0..8b4b10ade 100644 --- a/nuttx/include/nuttx/arch.h +++ b/nuttx/include/nuttx/arch.h @@ -46,6 +46,7 @@ #include <stdint.h> #include <stdbool.h> #include <sched.h> + #include <arch/arch.h> /**************************************************************************** @@ -67,10 +68,8 @@ typedef CODE void (*sig_deliver_t)(FAR _TCB *tcb); ****************************************************************************/ #ifdef __cplusplus -#define EXTERN extern "C" -extern "C" { -#else -#define EXTERN extern +extern "C" +{ #endif /**************************************************************************** @@ -98,7 +97,7 @@ extern "C" { * ****************************************************************************/ -EXTERN void up_initialize(void); +void up_initialize(void); /**************************************************************************** * Name: up_idle @@ -114,7 +113,7 @@ EXTERN void up_initialize(void); * ****************************************************************************/ -EXTERN void up_idle(void); +void up_idle(void); /**************************************************************************** * Name: up_initial_state @@ -130,7 +129,7 @@ EXTERN void up_idle(void); * ****************************************************************************/ -EXTERN void up_initial_state(FAR _TCB *tcb); +void up_initial_state(FAR _TCB *tcb); /**************************************************************************** * Name: up_create_stack @@ -155,7 +154,7 @@ EXTERN void up_initial_state(FAR _TCB *tcb); ****************************************************************************/ #ifndef CONFIG_CUSTOM_STACK -EXTERN int up_create_stack(FAR _TCB *tcb, size_t stack_size); +int up_create_stack(FAR _TCB *tcb, size_t stack_size); #endif /**************************************************************************** @@ -180,7 +179,7 @@ EXTERN int up_create_stack(FAR _TCB *tcb, size_t stack_size); ****************************************************************************/ #ifndef CONFIG_CUSTOM_STACK -EXTERN int up_use_stack(FAR _TCB *tcb, FAR void *stack, size_t stack_size); +int up_use_stack(FAR _TCB *tcb, FAR void *stack, size_t stack_size); #endif /**************************************************************************** @@ -193,7 +192,7 @@ EXTERN int up_use_stack(FAR _TCB *tcb, FAR void *stack, size_t stack_size); ****************************************************************************/ #ifndef CONFIG_CUSTOM_STACK -EXTERN void up_release_stack(FAR _TCB *dtcb); +void up_release_stack(FAR _TCB *dtcb); #endif /**************************************************************************** @@ -216,7 +215,7 @@ EXTERN void up_release_stack(FAR _TCB *dtcb); * ****************************************************************************/ -EXTERN void up_unblock_task(FAR _TCB *tcb); +void up_unblock_task(FAR _TCB *tcb); /**************************************************************************** * Name: up_block_task @@ -242,7 +241,7 @@ EXTERN void up_unblock_task(FAR _TCB *tcb); * ****************************************************************************/ -EXTERN void up_block_task(FAR _TCB *tcb, tstate_t task_state); +void up_block_task(FAR _TCB *tcb, tstate_t task_state); /**************************************************************************** * Name: up_release_pending @@ -261,7 +260,7 @@ EXTERN void up_block_task(FAR _TCB *tcb, tstate_t task_state); * ****************************************************************************/ -EXTERN void up_release_pending(void); +void up_release_pending(void); /**************************************************************************** * Name: up_reprioritize_rtr @@ -287,7 +286,7 @@ EXTERN void up_release_pending(void); * ****************************************************************************/ -EXTERN void up_reprioritize_rtr(FAR _TCB *tcb, uint8_t priority); +void up_reprioritize_rtr(FAR _TCB *tcb, uint8_t priority); /**************************************************************************** * Name: _exit @@ -349,7 +348,7 @@ EXTERN void up_reprioritize_rtr(FAR _TCB *tcb, uint8_t priority); ****************************************************************************/ #ifndef CONFIG_DISABLE_SIGNALS -EXTERN void up_schedule_sigaction(FAR _TCB *tcb, sig_deliver_t sigdeliver); +void up_schedule_sigaction(FAR _TCB *tcb, sig_deliver_t sigdeliver); #endif /**************************************************************************** @@ -363,7 +362,7 @@ EXTERN void up_schedule_sigaction(FAR _TCB *tcb, sig_deliver_t sigdeliver); ****************************************************************************/ #ifndef CONFIG_HEAP_BASE -EXTERN void up_allocate_heap(FAR void **heap_start, size_t *heap_size); +void up_allocate_heap(FAR void **heap_start, size_t *heap_size); #endif /**************************************************************************** @@ -383,6 +382,214 @@ EXTERN void up_allocate_heap(FAR void **heap_start, size_t *heap_size); #endif /**************************************************************************** + * Address Environment Interfaces + * + * Low-level interfaces used in binfmt/ to instantiate tasks with address + * environments. These interfaces all operate on type task_addrenv_t which + * is an abstract representation of a task's address environment and must be + * defined in arch/arch.h if CONFIG_ADDRENV is defined. + * + * up_addrenv_create - Create an address environment + * up_addrenv_vaddr - Returns the virtual base address of the address + * environment + * up_addrenv_select - Instantiate an address environment + * up_addrenv_restore - Restore an address environment + * up_addrenv_destroy - Destroy an address environment. + * up_addrenv_assign - Assign an address environment to a TCB + * + * Higher-level interfaces used by the tasking logic. These interfaces are + * used by the functions in sched/ and all operate on the TCB which as been + * assigned an address environment by up_addrenv_assign(). + * + * up_addrenv_share - Clone the address environment assigned to one TCB + * to another. This operation is done when a pthread + * is created that share's the same address + * environment. + * up_addrenv_release - Release the TCBs reference to an address + * environment when a task/thread exits. + * + ****************************************************************************/ +/**************************************************************************** + * Name: up_addrenv_create + * + * Description: + * This function is called from the binary loader logic when a new + * task is created in order to instantiate an address environment for the + * task. up_addrenv_create is essentially the allocator of the physical + * memory for the new task. + * + * Input Parameters: + * envsize - The size (in bytes) of the address environment needed by the + * task. + * addrenv - The location to return the representation of the task address + * environment. + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ****************************************************************************/ + +#ifdef CONFIG_ADDRENV +int up_addrenv_create(size_t envsize, FAR task_addrenv_t *addrenv); +#endif + +/**************************************************************************** + * Name: up_addrenv_vaddr + * + * Description: + * Return the virtual address associated with the newly create address + * environment. This function is used by the binary loaders in order + * get an address that can be used to initialize the new task. + * + * Input Parameters: + * addrenv - The representation of the task address environment previously + * returned by up_addrenv_create. + * vaddr - The location to return the virtual address. + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ****************************************************************************/ + +#ifdef CONFIG_ADDRENV +int up_addrenv_vaddr(FAR task_addrenv_t addrenv, FAR void **vaddr); +#endif + +/**************************************************************************** + * Name: up_addrenv_select + * + * Description: + * After an address environment has been established for a task (via + * up_addrenv_create(). This function may be called to to instantiate + * that address environment in the virtual address space. this might be + * necessary, for example, to load the code for the task from a file or + * to access address environment private data. + * + * Input Parameters: + * addrenv - The representation of the task address environment previously + * returned by up_addrenv_create. + * oldenv + * The address environment that was in place before up_addrenv_select(). + * This may be used with up_addrenv_restore() to restore the original + * address environment that was in place before up_addrenv_select() was + * called. Note that this may be a task agnostic, hardware + * representation that is different from task_addrenv_t. + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ****************************************************************************/ + +#ifdef CONFIG_ADDRENV +int up_addrenv_select(task_addrenv_t addrenv, hw_addrenv_t *oldenv); +#endif + +/**************************************************************************** + * Name: up_addrenv_restore + * + * Description: + * After an address environment has been temporarilty instantiated by + * up_addrenv_select, this function may be called to to restore the + * original address environment. + * + * Input Parameters: + * oldenv - The hardware representation of the address environment + * previously returned by up_addrenv_select. + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ****************************************************************************/ + +#ifdef CONFIG_ADDRENV +int up_addrenv_restore(hw_addrenv_t oldenv); +#endif + +/**************************************************************************** + * Name: up_addrenv_destroy + * + * Description: + * Called from the binary loader loader during error handling to destroy + * the address environment previously created by up_addrenv_create(). + * + * Input Parameters: + * addrenv - The representation of the task address environment previously + * returned by up_addrenv_create. + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ****************************************************************************/ + +#ifdef CONFIG_ADDRENV +int up_addrenv_destroy(task_addrenv_t addrenv); +#endif + +/**************************************************************************** + * Name: up_addrenv_assign + * + * Description: + * Assign an address environment to a TCB. + * + * Input Parameters: + * addrenv - The representation of the task address environment previously + * returned by up_addrenv_create. + * tcb - The TCB of the task to receive the address environment. + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ****************************************************************************/ + +#ifdef CONFIG_ADDRENV +int up_addrenv_assign(task_addrenv_t addrenv, FAR _TCB *tcb); +#endif + +/**************************************************************************** + * Name: up_addrenv_share + * + * Description: + * This function is called from the core scheduler logic when a thread + * is created that needs to share the address ennvironment of its parent + * task. In this case, the parent's address environment needs to be + * "cloned" for the child. + * + * Input Parameters: + * ptcb - The TCB of the parent task that has the address environment. + * ctcb - The TCB of the child thread needing the address environment. + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ****************************************************************************/ + +#ifdef CONFIG_ADDRENV +int up_addrenv_share(FAR const _TCB *ptcb, FAR _TCB *ctcb); +#endif + +/**************************************************************************** + * Name: up_addrenv_release + * + * Description: + * This function is called when a task or thread exits in order to release + * its reference to an address environment. When there are no further + * references to an address environment, that address environment should + * be destroyed. + * + * Input Parameters: + * tcb - The TCB of the task or thread whose the address environment will + * be released. + * + * Returned Value: + * Zero (OK) on success; a negated errno value on failure. + * + ****************************************************************************/ + +#ifdef CONFIG_ADDRENV +int up_addrenv_release(FAR _TCB *tcb); +#endif + +/**************************************************************************** * Name: up_interrupt_context * * Description: @@ -391,7 +598,7 @@ EXTERN void up_allocate_heap(FAR void **heap_start, size_t *heap_size); * ****************************************************************************/ -EXTERN bool up_interrupt_context(void); +bool up_interrupt_context(void); /**************************************************************************** * Name: up_enable_irq @@ -413,7 +620,7 @@ EXTERN bool up_interrupt_context(void); ****************************************************************************/ #ifndef CONFIG_ARCH_NOINTC -EXTERN void up_enable_irq(int irq); +void up_enable_irq(int irq); #endif /**************************************************************************** @@ -431,7 +638,7 @@ EXTERN void up_enable_irq(int irq); ****************************************************************************/ #ifndef CONFIG_ARCH_NOINTC -EXTERN void up_disable_irq(int irq); +void up_disable_irq(int irq); #endif /**************************************************************************** @@ -446,7 +653,7 @@ EXTERN void up_disable_irq(int irq); ****************************************************************************/ #ifdef CONFIG_ARCH_IRQPRIO -EXTERN int up_prioritize_irq(int irq, int priority); +int up_prioritize_irq(int irq, int priority); #endif /**************************************************************************** @@ -483,7 +690,7 @@ EXTERN int up_prioritize_irq(int irq, int priority); ****************************************************************************/ #ifdef CONFIG_ARCH_ROMGETC -EXTERN char up_romgetc(FAR const char *ptr); +char up_romgetc(FAR const char *ptr); #else # define up_romgetc(ptr) (*ptr) #endif @@ -497,8 +704,8 @@ EXTERN char up_romgetc(FAR const char *ptr); * ***************************************************************************/ -EXTERN void up_mdelay(unsigned int milliseconds); -EXTERN void up_udelay(useconds_t microseconds); +void up_mdelay(unsigned int milliseconds); +void up_udelay(useconds_t microseconds); /**************************************************************************** * Name: up_cxxinitialize @@ -517,7 +724,7 @@ EXTERN void up_udelay(useconds_t microseconds); ***************************************************************************/ #if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE) -EXTERN void up_cxxinitialize(void); +void up_cxxinitialize(void); #endif /**************************************************************************** @@ -537,7 +744,7 @@ EXTERN void up_cxxinitialize(void); * ****************************************************************************/ -EXTERN void sched_process_timer(void); +void sched_process_timer(void); /**************************************************************************** * Name: irq_dispatch @@ -549,7 +756,7 @@ EXTERN void sched_process_timer(void); * ***************************************************************************/ -EXTERN void irq_dispatch(int irq, FAR void *context); +void irq_dispatch(int irq, FAR void *context); /**************************************************************************** * Board-specific button interfaces exported by the board-specific logic @@ -571,7 +778,7 @@ EXTERN void irq_dispatch(int irq, FAR void *context); ****************************************************************************/ #ifdef CONFIG_ARCH_BUTTONS -EXTERN void up_buttoninit(void); +void up_buttoninit(void); #endif /**************************************************************************** @@ -592,7 +799,7 @@ EXTERN void up_buttoninit(void); ****************************************************************************/ #ifdef CONFIG_ARCH_BUTTONS -EXTERN uint8_t up_buttons(void); +uint8_t up_buttons(void); #endif /**************************************************************************** @@ -613,7 +820,29 @@ EXTERN uint8_t up_buttons(void); ****************************************************************************/ #ifdef CONFIG_ARCH_IRQBUTTONS -EXTERN xcpt_t up_irqbutton(int id, xcpt_t irqhandler); +xcpt_t up_irqbutton(int id, xcpt_t irqhandler); +#endif + +/************************************************************************************ + * Relay control functions + * + * Description: + * Non-standard functions for relay control. + * + ************************************************************************************/ + +#ifdef CONFIG_ARCH_RELAYS +void up_relaysinit(void); +void relays_setstat(int relays, bool stat); +bool relays_getstat(int relays); +void relays_setstats(uint32_t relays_stat); +uint32_t relays_getstats(void); +void relays_onoff(int relays, uint32_t mdelay); +void relays_onoffs(uint32_t relays_stat, uint32_t mdelay); +void relays_resetmode(int relays); +void relays_powermode(int relays); +void relays_resetmodes(uint32_t relays_stat); +void relays_powermodes(uint32_t relays_stat); #endif /**************************************************************************** @@ -628,9 +857,8 @@ EXTERN xcpt_t up_irqbutton(int id, xcpt_t irqhandler); * ****************************************************************************/ -EXTERN int up_putc(int ch); +int up_putc(int ch); -#undef EXTERN #ifdef __cplusplus } #endif diff --git a/nuttx/include/nuttx/binfmt.h b/nuttx/include/nuttx/binfmt/binfmt.h index 70beda393..6df5190d2 100644 --- a/nuttx/include/nuttx/binfmt.h +++ b/nuttx/include/nuttx/binfmt/binfmt.h @@ -1,7 +1,7 @@ /**************************************************************************** - * include/nuttx/binfmt.h + * include/nuttx/binfmt/binfmt.h * - * Copyright (C) 2009 Gregory Nutt. All rights reserved. + * Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -33,34 +33,58 @@ * ****************************************************************************/ -#ifndef __INCLUDE_NUTTX_BINFMT_H -#define __INCLUDE_NUTTX_BINFMT_H +#ifndef __INCLUDE_NUTTX_BINFMT_BINFMT_H +#define __INCLUDE_NUTTX_BINFMT_BINFMT_H /**************************************************************************** * Included Files ****************************************************************************/ #include <nuttx/config.h> + #include <sys/types.h> #include <nxflat.h> + +#include <nuttx/arch.h> #include <nuttx/sched.h> /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ +#define BINFMT_NALLOC 3 + /**************************************************************************** * Public Types ****************************************************************************/ +/* EXEPATH_HANDLE is an opaque handle used to traverse the absolute paths + * assigned to the PATH environment variable. + */ + +#if !defined(CONFIG_BINFMT_DISABLE) && defined(CONFIG_BINFMT_EXEPATH) +typedef FAR void *EXEPATH_HANDLE; +#endif + +/* The type of one C++ constructor or destructor */ + +typedef FAR void (*binfmt_ctor_t)(void); +typedef FAR void (*binfmt_dtor_t)(void); -/* This describes the file to be loaded */ +/* This describes the file to be loaded. + * + * NOTE 1: The 'filename' must be the full, absolute path to the file to be + * executed unless CONFIG_BINFMT_EXEPATH is defined. In that case, + * 'filename' may be a relative path; a set of candidate absolute paths + * will be generated using the PATH environment variable and load_module() + * will attempt to load each file that is found at those absolute paths. + */ struct symtab_s; struct binary_s { /* Information provided to the loader to load and bind a module */ - FAR const char *filename; /* Full path to the binary to be loaded */ + FAR const char *filename; /* Full path to the binary to be loaded (See NOTE 1 above) */ FAR const char **argv; /* Argument list */ FAR const struct symtab_s *exports; /* Table of exported symbols */ int nexports; /* The number of symbols in exports[] */ @@ -70,9 +94,29 @@ struct binary_s */ main_t entrypt; /* Entry point into a program module */ - FAR void *ispace; /* Memory-mapped, I-space (.text) address */ - FAR struct dspace_s *dspace; /* Address of the allocated .data/.bss space */ - size_t isize; /* Size of the I-space region (needed for munmap) */ + FAR void *mapped; /* Memory-mapped, address space */ + FAR void *alloc[BINFMT_NALLOC]; /* Allocated address spaces */ + + /* Constructors/destructors */ + +#ifdef CONFIG_BINFMT_CONSTRUCTORS + FAR binfmt_ctor_t *ctors; /* Pointer to a list of constructors */ + FAR binfmt_dtor_t *dtors; /* Pointer to a list of destructors */ + uint16_t nctors; /* Number of constructors in the list */ + uint16_t ndtors; /* Number of destructors in the list */ +#endif + + /* Address environment. + * + * addrenv - This is the handle created by up_addrenv_create() that can be + * used to manage the tasks address space. + */ + +#ifdef CONFIG_ADDRENV + task_addrenv_t addrenv; /* Task address environment */ +#endif + + size_t mapsize; /* Size of the mapped address region (needed for munmap) */ size_t stacksize; /* Size of the stack in bytes (unallocated) */ }; @@ -88,12 +132,9 @@ struct binfmt_s * Public Data ****************************************************************************/ -#undef EXTERN #if defined(__cplusplus) -#define EXTERN extern "C" -extern "C" { -#else -#define EXTERN extern +extern "C" +{ #endif /**************************************************************************** @@ -113,7 +154,7 @@ extern "C" { * ****************************************************************************/ -EXTERN int register_binfmt(FAR struct binfmt_s *binfmt); +int register_binfmt(FAR struct binfmt_s *binfmt); /**************************************************************************** * Name: unregister_binfmt @@ -128,7 +169,7 @@ EXTERN int register_binfmt(FAR struct binfmt_s *binfmt); * ****************************************************************************/ -EXTERN int unregister_binfmt(FAR struct binfmt_s *binfmt); +int unregister_binfmt(FAR struct binfmt_s *binfmt); /**************************************************************************** * Name: load_module @@ -144,14 +185,19 @@ EXTERN int unregister_binfmt(FAR struct binfmt_s *binfmt); * ****************************************************************************/ -EXTERN int load_module(FAR struct binary_s *bin); +int load_module(FAR struct binary_s *bin); /**************************************************************************** * Name: unload_module * * Description: * Unload a (non-executing) module from memory. If the module has - * been started (via exec_module), calling this will be fatal. + * been started (via exec_module) and has not exited, calling this will + * be fatal. + * + * However, this function must be called after the module exist. How + * this is done is up to your logic. Perhaps you register it to be + * called by on_exit()? * * Returned Value: * This is a NuttX internal function so it follows the convention that @@ -160,7 +206,7 @@ EXTERN int load_module(FAR struct binary_s *bin); * ****************************************************************************/ -EXTERN int unload_module(FAR const struct binary_s *bin); +int unload_module(FAR const struct binary_s *bin); /**************************************************************************** * Name: exec_module @@ -175,7 +221,7 @@ EXTERN int unload_module(FAR const struct binary_s *bin); * ****************************************************************************/ -EXTERN int exec_module(FAR const struct binary_s *bin, int priority); +int exec_module(FAR const struct binary_s *bin, int priority); /**************************************************************************** * Name: exec @@ -197,13 +243,96 @@ EXTERN int exec_module(FAR const struct binary_s *bin, int priority); * ****************************************************************************/ -EXTERN int exec(FAR const char *filename, FAR const char **argv, - FAR const struct symtab_s *exports, int nexports); +int exec(FAR const char *filename, FAR const char **argv, + FAR const struct symtab_s *exports, int nexports); + +/**************************************************************************** + * Name: exepath_init + * + * Description: + * Initialize for the traversal of each value in the PATH variable. The + * usage is sequence is as follows: + * + * 1) Call exepath_init() to initialize for the traversal. exepath_init() + * will return an opaque handle that can then be provided to + * exepath_next() and exepath_release(). + * 2) Call exepath_next() repeatedly to examine every file that lies + * in the directories of the PATH variable + * 3) Call exepath_release() to free resources set aside by exepath_init(). + * + * Input Parameters: + * None + * + * Returned Value: + * On success, exepath_init() return a non-NULL, opaque handle that may + * subsequently be used in calls to exepath_next() and exepath_release(). + * On error, a NULL handle value will be returned. The most likely cause + * of an error would be that the there is no value associated with the + * PATH variable. + * + ****************************************************************************/ + +#if !defined(CONFIG_BINFMT_DISABLE) && defined(CONFIG_BINFMT_EXEPATH) +EXEPATH_HANDLE exepath_init(void); +#endif + +/**************************************************************************** + * Name: exepath_next + * + * Description: + * Traverse all possible values in the PATH variable in attempt to find + * the full path to an executable file when only a relative path is + * provided. + * + * Input Parameters: + * handle - The handle value returned by exepath_init + * relpath - The relative path to the file to be found. + * + * Returned Value: + * On success, a non-NULL pointer to a null-terminated string is provided. + * This is the full path to a file that exists in the file system. This + * function will verify that the file exists (but will not verify that it + * is marked executable). + * + * NOTE: The string pointer return in the success case points to allocated + * memory. This memory must be freed by the called by calling kfree(). + * + * NULL is returned if no path is found to any file with the provided + * 'relpath' from any absolute path in the PATH variable. In this case, + * there is no point in calling exepath_next() further; exepath_release() + * must be called to release resources set aside by expath_init(). + * + ****************************************************************************/ + +#if !defined(CONFIG_BINFMT_DISABLE) && defined(CONFIG_BINFMT_EXEPATH) +FAR char *exepath_next(EXEPATH_HANDLE handle, FAR const char *relpath); +#endif + +/**************************************************************************** + * Name: exepath_release + * + * Description: + * Release all resources set aside by exepath_init() when the handle value + * was created. The handle value is invalid on return from this function. + * Attempts to all exepath_next() or exepath_release() with such a 'stale' + * handle will result in undefined (i.e., not good) behavior. + * + * Input Parameters: + * handle - The handle value returned by exepath_init + * + * Returned Value: + * None + * + ****************************************************************************/ + +#if !defined(CONFIG_BINFMT_DISABLE) && defined(CONFIG_BINFMT_EXEPATH) +void exepath_release(EXEPATH_HANDLE handle); +#endif #undef EXTERN #if defined(__cplusplus) } #endif -#endif /* __INCLUDE_NUTTX_BINFMT_H */ +#endif /* __INCLUDE_NUTTX_BINFMT_BINFMT_H */ diff --git a/nuttx/include/nuttx/binfmt/elf.h b/nuttx/include/nuttx/binfmt/elf.h new file mode 100644 index 000000000..6b6851934 --- /dev/null +++ b/nuttx/include/nuttx/binfmt/elf.h @@ -0,0 +1,340 @@ +/**************************************************************************** + * include/nuttx/binfmt/elf.h + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#ifndef __INCLUDE_NUTTX_BINFMT_ELF_H +#define __INCLUDE_NUTTX_BINFMT_ELF_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> + +#include <stdint.h> +#include <stdbool.h> +#include <elf32.h> + +#include <nuttx/binfmt/binfmt.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ +/* Configuration ************************************************************/ + +#ifndef CONFIG_ELF_ALIGN_LOG2 +# define CONFIG_ELF_ALIGN_LOG2 2 +#endif + +#ifndef CONFIG_ELF_STACKSIZE +# define CONFIG_ELF_STACKSIZE 2048 +#endif + +#ifndef CONFIG_ELF_BUFFERSIZE +# define CONFIG_ELF_BUFFERSIZE 128 +#endif + +#ifndef CONFIG_ELF_BUFFERINCR +# define CONFIG_ELF_BUFFERINCR 32 +#endif + +/* Allocation array size and indices */ + +#define LIBELF_ELF_ALLOC 0 +#ifdef CONFIG_BINFMT_CONSTRUCTORS +# define LIBELF_CTORS_ALLOC 1 +# define LIBELF_CTPRS_ALLOC 2 +# define LIBELF_NALLOC 3 +#else +# define LIBELF_NALLOC 1 +#endif + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/* This struct provides a desciption of the currently loaded instantiation + * of an ELF binary. + */ + +struct elf_loadinfo_s +{ + /* elfalloc is the base address of the memory that is allocated to hold the + * ELF program image. + * + * If CONFIG_ADDRENV=n, elfalloc will be allocated using kmalloc() (or + * kzalloc()). If CONFIG_ADDRENV-y, then elfalloc will be allocated using + * up_addrenv_create(). In either case, there will be a unique instance + * of elfalloc (and stack) for each instance of a process. + * + * The alloc[] array in struct binary_s will hold memory that persists after + * the ELF module has been loaded. + */ + + uintptr_t elfalloc; /* Memory allocated when ELF file was loaded */ + size_t elfsize; /* Size of the ELF memory allocation */ + off_t filelen; /* Length of the entire ELF file */ + Elf32_Ehdr ehdr; /* Buffered ELF file header */ + FAR Elf32_Shdr *shdr; /* Buffered ELF section headers */ + uint8_t *iobuffer; /* File I/O buffer */ + + /* Constructors and destructors */ + +#ifdef CONFIG_BINFMT_CONSTRUCTORS + FAR void *ctoralloc; /* Memory allocated for ctors */ + FAR void *dtoralloc; /* Memory allocated dtors */ + FAR binfmt_ctor_t *ctors; /* Pointer to a list of constructors */ + FAR binfmt_dtor_t *dtors; /* Pointer to a list of destructors */ + uint16_t nctors; /* Number of constructors */ + uint16_t ndtors; /* Number of destructors */ +#endif + + /* Address environment. + * + * addrenv - This is the handle created by up_addrenv_create() that can be + * used to manage the tasks address space. + * oldenv - This is a value returned by up_addrenv_select() that must be + * used to restore the current hardware address environment. + */ + +#ifdef CONFIG_ADDRENV + task_addrenv_t addrenv; /* Task address environment */ + hw_addrenv_t oldenv; /* Saved hardware address environment */ +#endif + + uint16_t symtabidx; /* Symbol table section index */ + uint16_t strtabidx; /* String table section index */ + uint16_t buflen; /* size of iobuffer[] */ + int filfd; /* Descriptor for the file being loaded */ +}; + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/**************************************************************************** + * These are APIs exported by libelf (but are used only by the binfmt logic): + ****************************************************************************/ + +/**************************************************************************** + * Name: elf_init + * + * Description: + * This function is called to configure the library to process an ELF + * program binary. + * + * Returned Value: + * 0 (OK) is returned on success and a negated errno is returned on + * failure. + * + ****************************************************************************/ + +EXTERN int elf_init(FAR const char *filename, + FAR struct elf_loadinfo_s *loadinfo); + +/**************************************************************************** + * Name: elf_uninit + * + * Description: + * Releases any resources committed by elf_init(). This essentially + * undoes the actions of elf_init. + * + * Returned Value: + * 0 (OK) is returned on success and a negated errno is returned on + * failure. + * + ****************************************************************************/ + +EXTERN int elf_uninit(FAR struct elf_loadinfo_s *loadinfo); + +/**************************************************************************** + * Name: elf_load + * + * Description: + * Loads the binary into memory, allocating memory, performing relocations + * and inializing the data and bss segments. + * + * Returned Value: + * 0 (OK) is returned on success and a negated errno is returned on + * failure. + * + ****************************************************************************/ + +EXTERN int elf_load(FAR struct elf_loadinfo_s *loadinfo); + +/**************************************************************************** + * Name: elf_bind + * + * Description: + * Bind the imported symbol names in the loaded module described by + * 'loadinfo' using the exported symbol values provided by 'symtab'. + * + * Returned Value: + * 0 (OK) is returned on success and a negated errno is returned on + * failure. + * + ****************************************************************************/ + +struct symtab_s; +EXTERN int elf_bind(FAR struct elf_loadinfo_s *loadinfo, + FAR const struct symtab_s *exports, int nexports); + +/**************************************************************************** + * Name: elf_unload + * + * Description: + * This function unloads the object from memory. This essentially undoes + * the actions of elf_load. It is called only under certain error + * conditions after the the module has been loaded but not yet started. + * + * Returned Value: + * 0 (OK) is returned on success and a negated errno is returned on + * failure. + * + ****************************************************************************/ + +EXTERN int elf_unload(struct elf_loadinfo_s *loadinfo); + +/**************************************************************************** + * These are APIs used outside of binfmt by NuttX: + ****************************************************************************/ +/**************************************************************************** + * Name: elf_initialize + * + * Description: + * ELF support is built unconditionally. However, it order to + * use this binary format, this function must be called during system + * format in order to register the ELF binary format. + * + * Returned Value: + * This is a NuttX internal function so it follows the convention that + * 0 (OK) is returned on success and a negated errno is returned on + * failure. + * + ****************************************************************************/ + +EXTERN int elf_initialize(void); + +/**************************************************************************** + * Name: elf_uninitialize + * + * Description: + * Unregister the ELF binary loader + * + * Returned Value: + * None + * + ****************************************************************************/ + +EXTERN void elf_uninitialize(void); + +/**************************************************************************** + * These are APIs must be provided by architecture-specific logic: + ****************************************************************************/ +/**************************************************************************** + * Name: arch_checkarch + * + * Description: + * Given the ELF header in 'hdr', verify that the ELF file is appropriate + * for the current, configured architecture. Every architecture that uses + * the ELF loader must provide this function. + * + * Input Parameters: + * hdr - The ELF header read from the ELF file. + * + * Returned Value: + * True if the architecture supports this ELF file. + * + ****************************************************************************/ + +EXTERN bool arch_checkarch(FAR const Elf32_Ehdr *hdr); + +/**************************************************************************** + * Name: arch_relocate and arch_relocateadd + * + * Description: + * Perform on architecture-specific ELF relocation. Every architecture + * that uses the ELF loader must provide this function. + * + * Input Parameters: + * rel - The relocation type + * sym - The ELF symbol structure containing the fully resolved value. + * addr - The address that requires the relocation. + * + * Returned Value: + * Zero (OK) if the relocation was successful. Otherwise, a negated errno + * value indicating the cause of the relocation failure. + * + ****************************************************************************/ + +EXTERN int arch_relocate(FAR const Elf32_Rel *rel, FAR const Elf32_Sym *sym, + uintptr_t addr); +EXTERN int arch_relocateadd(FAR const Elf32_Rela *rel, + FAR const Elf32_Sym *sym, uintptr_t addr); + +/**************************************************************************** + * Name: arch_flushicache + * + * Description: + * Flush the instruction cache. + * + * Input Parameters: + * addr - Start address to flush + * len - Number of bytes to flush + * + * Returned Value: + * True if the architecture supports this ELF file. + * + ****************************************************************************/ + +#ifdef CONFIG_ELF_ICACHE +EXTERN bool arch_flushicache(FAR void *addr, size_t len); +#endif + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __INCLUDE_NUTTX_BINFMT_ELF_H */ diff --git a/nuttx/include/nuttx/nxflat.h b/nuttx/include/nuttx/binfmt/nxflat.h index b6501522e..db396771b 100644 --- a/nuttx/include/nuttx/nxflat.h +++ b/nuttx/include/nuttx/binfmt/nxflat.h @@ -1,7 +1,7 @@ /**************************************************************************** - * include/nuttx/nxflat.h + * include/nuttx/binfmt/nxflat.h * - * Copyright (C) 2009 Gregory Nutt. All rights reserved. + * Copyright (C) 2009, 2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -33,8 +33,8 @@ * ****************************************************************************/ -#ifndef __INCLUDE_NUTTX_NXFLAT_H -#define __INCLUDE_NUTTX_NXFLAT_H +#ifndef __INCLUDE_NUTTX_BINFMT_NXFLAT_H +#define __INCLUDE_NUTTX_BINFMT_NXFLAT_H /**************************************************************************** * Included Files @@ -44,7 +44,9 @@ #include <stdint.h> #include <nxflat.h> + #include <nuttx/sched.h> +#include <nuttx/arch.h> /**************************************************************************** * Pre-processor Definitions @@ -61,17 +63,24 @@ struct nxflat_loadinfo_s { /* Instruction Space (ISpace): This region contains the nxflat file header - * plus everything from the text section. Ideally, will have only one mmap'ed - * text section instance in the system for each module. + * plus everything from the text section. + * + * The ISpace region is allocated using mmap() and, thus, can be shared by + * multiple tasks. Ideally, will have only one mmap'ed text section + * instance in the system for each module. */ - uint32_t ispace; /* Address where hdr/text is loaded */ + uintptr_t ispace; /* Address where hdr/text is loaded */ uint32_t entryoffs; /* Offset from ispace to entry point */ uint32_t isize; /* Size of ispace. */ - /* Data Space (DSpace): This region contains all information that in referenced - * as data (other than the stack which is separately allocated). There will be - * a unique instance of DSpace (and stack) for each instance of a process. + /* Data Space (DSpace): This region contains all information that is + * referenced as data (other than the stack which is separately allocated). + * + * If CONFIG_ADDRENV=n, DSpace will be allocated using kmalloc() (or + * kzalloc()). If CONFIG_ADDRENV-y, then DSpace will be allocated using + * up_addrenv_create(). In either case, there will be a unique instance + * of DSpace (and stack) for each instance of a process. */ struct dspace_s *dspace; /* Allocated D-Space (data/bss/etc) */ @@ -85,6 +94,19 @@ struct nxflat_loadinfo_s uint32_t relocstart; /* Start of array of struct flat_reloc */ uint16_t reloccount; /* Number of elements in reloc array */ + /* Address environment. + * + * addrenv - This is the handle created by up_addrenv_create() that can be + * used to manage the tasks address space. + * oldenv - This is a value returned by up_addrenv_select() that must be + * used to restore the current hardware address environment. + */ + +#ifdef CONFIG_ADDRENV + task_addrenv_t addrenv; /* Task address environment */ + hw_addrenv_t oldenv; /* Saved hardware address environment */ +#endif + /* File descriptors */ int filfd; /* Descriptor for the file being loaded */ @@ -110,22 +132,22 @@ extern "C" { * These are APIs exported by libnxflat (and may be used outside of NuttX): ****************************************************************************/ -/*********************************************************************** +/**************************************************************************** * Name: nxflat_verifyheader * * Description: - * Given the header from a possible NXFLAT executable, verify that it - * is an NXFLAT executable. + * Given the header from a possible NXFLAT executable, verify that it is + * an NXFLAT executable. * * Returned Value: * 0 (OK) is returned on success and a negated errno is returned on * failure. * - ***********************************************************************/ + ****************************************************************************/ EXTERN int nxflat_verifyheader(const struct nxflat_hdr_s *header); -/*********************************************************************** +/**************************************************************************** * Name: nxflat_init * * Description: @@ -136,12 +158,12 @@ EXTERN int nxflat_verifyheader(const struct nxflat_hdr_s *header); * 0 (OK) is returned on success and a negated errno is returned on * failure. * - ***********************************************************************/ + ****************************************************************************/ EXTERN int nxflat_init(const char *filename, struct nxflat_loadinfo_s *loadinfo); -/*********************************************************************** +/**************************************************************************** * Name: nxflat_uninit * * Description: @@ -152,11 +174,11 @@ EXTERN int nxflat_init(const char *filename, * 0 (OK) is returned on success and a negated errno is returned on * failure. * - ***********************************************************************/ + ****************************************************************************/ EXTERN int nxflat_uninit(struct nxflat_loadinfo_s *loadinfo); -/*********************************************************************** +/**************************************************************************** * Name: nxflat_load * * Description: @@ -170,11 +192,11 @@ EXTERN int nxflat_uninit(struct nxflat_loadinfo_s *loadinfo); * 0 (OK) is returned on success and a negated errno is returned on * failure. * - ***********************************************************************/ + ****************************************************************************/ EXTERN int nxflat_load(struct nxflat_loadinfo_s *loadinfo); -/*********************************************************************** +/**************************************************************************** * Name: nxflat_read * * Description: @@ -184,12 +206,12 @@ EXTERN int nxflat_load(struct nxflat_loadinfo_s *loadinfo); * 0 (OK) is returned on success and a negated errno is returned on * failure. * - ***********************************************************************/ + ****************************************************************************/ EXTERN int nxflat_read(struct nxflat_loadinfo_s *loadinfo, char *buffer, int readsize, int offset); -/*********************************************************************** +/**************************************************************************** * Name: nxflat_bind * * Description: @@ -202,31 +224,32 @@ EXTERN int nxflat_read(struct nxflat_loadinfo_s *loadinfo, char *buffer, * 0 (OK) is returned on success and a negated errno is returned on * failure. * - ***********************************************************************/ + ****************************************************************************/ struct symtab_s; EXTERN int nxflat_bind(FAR struct nxflat_loadinfo_s *loadinfo, FAR const struct symtab_s *exports, int nexports); -/*********************************************************************** +/**************************************************************************** * Name: nxflat_unload * * Description: - * This function unloads the object from memory. This essentially - * undoes the actions of nxflat_load. + * This function unloads the object from memory. This essentially undoes + * the actions of nxflat_load. It is called only under certain error + * conditions after the the module has been loaded but not yet started. * * Returned Value: * 0 (OK) is returned on success and a negated errno is returned on * failure. * - ***********************************************************************/ + ****************************************************************************/ EXTERN int nxflat_unload(struct nxflat_loadinfo_s *loadinfo); /**************************************************************************** * These are APIs used internally only by NuttX: ****************************************************************************/ -/*********************************************************************** +/**************************************************************************** * Name: nxflat_initialize * * Description: @@ -239,7 +262,7 @@ EXTERN int nxflat_unload(struct nxflat_loadinfo_s *loadinfo); * 0 (OK) is returned on success and a negated errno is returned on * failure. * - ***********************************************************************/ + ****************************************************************************/ EXTERN int nxflat_initialize(void); @@ -261,4 +284,4 @@ EXTERN void nxflat_uninitialize(void); } #endif -#endif /* __INCLUDE_NUTTX_NXFLAT_H */ +#endif /* __INCLUDE_NUTTX_BINFMT_NXFLAT_H */ diff --git a/nuttx/include/nuttx/symtab.h b/nuttx/include/nuttx/binfmt/symtab.h index b302ab20a..346c6099f 100644 --- a/nuttx/include/nuttx/symtab.h +++ b/nuttx/include/nuttx/binfmt/symtab.h @@ -1,5 +1,5 @@ /**************************************************************************** - * include/nuttx/symtab.h + * include/nuttx/binfmt/symtab.h * * Copyright (C) 2009 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> @@ -33,8 +33,8 @@ * ****************************************************************************/ -#ifndef __INCLUDE_NUTTX_SYMTAB_H -#define __INCLUDE_NUTTX_SYMTAB_H +#ifndef __INCLUDE_NUTTX_BINFMT_SYMTAB_H +#define __INCLUDE_NUTTX_BINFMT_SYMTAB_H /**************************************************************************** * Included Files @@ -54,7 +54,7 @@ * is a fixed size array of struct symtab_s. The information is intentionally * minimal and supports only: * - * 1. Function points as sym_values. Of other kinds of values need to be + * 1. Function pointers as sym_values. Of other kinds of values need to be * supported, then typing information would also need to be included in * the structure. * @@ -159,5 +159,5 @@ symtab_findorderedbyvalue(FAR const struct symtab_s *symtab, } #endif -#endif /* __INCLUDE_NUTTX_SYMTAB_H */ +#endif /* __INCLUDE_NUTTX_BINFMT_SYMTAB_H */ diff --git a/nuttx/include/nuttx/compiler.h b/nuttx/include/nuttx/compiler.h index d74fcbea0..6ad51ad0f 100644 --- a/nuttx/include/nuttx/compiler.h +++ b/nuttx/include/nuttx/compiler.h @@ -87,11 +87,16 @@ # define packed_struct __attribute__ ((packed)) -/* GCC does not support the reentrant or naked attributes */ +/* GCC does not support the reentrant attribute */ # define reentrant_function -# define naked_function +/* The naked attribute informs GCC that the programmer will take care of + * the function prolog and epilog. + */ + +# define naked_function __attribute__ ((naked,no_instrument_function)) + /* The inline_function attribute informs GCC that the function should always * be inlined, regardless of the level of optimization. The noinline_function * indicates that the function should never be inlined. @@ -191,8 +196,10 @@ /* GCC supports both types double and long long */ -# define CONFIG_HAVE_DOUBLE 1 # define CONFIG_HAVE_LONG_LONG 1 +# define CONFIG_HAVE_FLOAT 1 +# define CONFIG_HAVE_DOUBLE 1 +# define CONFIG_HAVE_LONG_DOUBLE 1 /* Structures and unions can be assigned and passed as values */ @@ -255,7 +262,7 @@ * external RAM. */ -#if defined(__z80) || defined(__gbz80) +#if defined(__SDCC_z80) || defined(__SDCC_z180) || defined(__SDCC_gbz80) # define FAR # define NEAR # define CODE @@ -295,7 +302,9 @@ /* SDCC does not support type long long or type double */ # undef CONFIG_HAVE_LONG_LONG +# define CONFIG_HAVE_FLOAT 1 # undef CONFIG_HAVE_DOUBLE +# undef CONFIG_HAVE_LONG_DOUBLE /* Structures and unions cannot be passed as values or used * in assignments. @@ -398,8 +407,10 @@ * simply do not support long long or double. */ -# undef CONFIG_HAVE_DOUBLE # undef CONFIG_HAVE_LONG_LONG +# define CONFIG_HAVE_FLOAT 1 +# undef CONFIG_HAVE_DOUBLE +# undef CONFIG_HAVE_LONG_DOUBLE /* Structures and unions can be assigned and passed as values */ @@ -433,9 +444,11 @@ # undef CONFIG_LONG_IS_NOT_INT # undef CONFIG_PTR_IS_NOT_INT # undef CONFIG_HAVE_INLINE -# define inline +# define inline 1 # undef CONFIG_HAVE_LONG_LONG +# define CONFIG_HAVE_FLOAT 1 # undef CONFIG_HAVE_DOUBLE +# undef CONFIG_HAVE_LONG_DOUBLE # undef CONFIG_CAN_PASS_STRUCTS #endif diff --git a/nuttx/include/nuttx/float.h b/nuttx/include/nuttx/float.h new file mode 100644 index 000000000..a8e4aa28b --- /dev/null +++ b/nuttx/include/nuttx/float.h @@ -0,0 +1,225 @@ +/**************************************************************************** + * include/nuttx/float.h + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Reference: http://pubs.opengroup.org/onlinepubs/009695399/basedefs/float.h.html + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#ifndef __INCLUDE_NUTTX_FLOAT_H +#define __INCLUDE_NUTTX_FLOAT_H + +/* TODO: These values could vary with architectures toolchains. This + * logic should be move at least to the include/arch directory. + */ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/compiler.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* Radix of exponent representation, b. */ + +#define FLT_RADIX 2 + +/* Number of base-FLT_RADIX digits in the floating-point significand, p. */ + +#define FLT_MANT_DIG 24 + +#if CONFIG_HAVE_DOUBLE +# define DBL_MANT_DIG 53 +#else +# define DBL_MANT_DIG FLT_MANT_DIG +#endif + +#ifdef CONFIG_HAVE_LONG_DOUBLE +# define LDBL_MANT_DIG DBL_MANT_DIG /* FIX ME */ +#else +# define LDBL_MANT_DIG DBL_MANT_DIG +#endif + +/* Number of decimal digits, n, such that any floating-point number in the + * widest supported floating type with pmax radix b digits can be rounded + * to a floating-point number with n decimal digits and back again without + * change to the value. + */ + +#define DECIMAL_DIG 10 + +/* Number of decimal digits, q, such that any floating-point number with q + * decimal digits can be rounded into a floating-point number with p radix + * b digits and back again without change to the q decimal digits. + */ + +#define FLT_DIG 6 + +#if CONFIG_HAVE_DOUBLE +# define DBL_DIG 15 /* 10 */ +#else +# define DBL_DIG FLT_DIG +#endif + +#ifdef CONFIG_HAVE_LONG_DOUBLE +# define LDBL_DIG DBL_DIG /* FIX ME */ +#else +# define LDBL_DIG DBL_DIG +#endif + +/* Minimum negative integer such that FLT_RADIX raised to that power minus + * 1 is a normalized floating-point number, emin. + */ + +#define FLT_MIN_EXP (-125) + +#if CONFIG_HAVE_DOUBLE +# define DBL_MIN_EXP (-1021) +#else +# define DBL_MIN_EXP FLT_MIN_EXP +#endif + +#ifdef CONFIG_HAVE_LONG_DOUBLE +# define LDBL_MIN_EXP DBL_MIN_EXP /* FIX ME */ +#else +# define LDBL_MIN_EXP DBL_MIN_EXP +#endif + +/* inimum negative integer such that 10 raised to that power is in the range + * of normalized floating-point numbers. + */ + +#define FLT_MIN_10_EXP (-37) + +#if CONFIG_HAVE_DOUBLE +# define DBL_MIN_10_EXP (-307) /* -37 */ +#else +# define DBL_MIN_10_EXP FLT_MIN_10_EXP +#endif + +#ifdef CONFIG_HAVE_LONG_DOUBLE +# define LDBL_MIN_10_EXP DBL_MIN_10_EXP /* FIX ME */ +#else +# define LDBL_MIN_10_EXP DBL_MIN_10_EXP +#endif + +/* Maximum integer such that FLT_RADIX raised to that power minus 1 is a + * representable finite floating-point number, emax. + */ + +#define FLT_MAX_EXP 128 + +#if CONFIG_HAVE_DOUBLE +# define DBL_MAX_EXP 1024 +#else +# define DBL_MAX_EXP FLT_MAX_EXP +#endif + +#ifdef CONFIG_HAVE_LONG_DOUBLE +# define LDBL_MAX_EXP DBL_MAX_EXP /* FIX ME */ +#else +# define LDBL_MAX_EXP DBL_MAX_EXP +#endif + +/* Maximum integer such that 10 raised to that power is in the range of + * representable finite floating-point numbers. + */ + +#define FLT_MAX_10_EXP 38 /* 37 */ + +#if CONFIG_HAVE_DOUBLE +# define DBL_MAX_10_EXP 308 /* 37 */ +#else +# define DBL_MAX_10_EXP FLT_MAX_10_EXP +#endif + +#ifdef CONFIG_HAVE_LONG_DOUBLE +# define LDBL_MAX_10_EXP DBL_MAX_10_EXP /* FIX ME */ +#else +# define LDBL_MAX_10_EXP DBL_MAX_10_EXP +#endif + +/* Maximum representable finite floating-point number. */ + +#define FLT_MAX 3.40282347e+38F /* 1E+37 */ + +#if CONFIG_HAVE_DOUBLE +# define DBL_MAX 1.7976931348623157e+308 /* 1E+37 */ +#else +# define DBL_MAX FLT_MAX +#endif + +#ifdef CONFIG_HAVE_LONG_DOUBLE +# define LDBL_MAX DBL_MAX /* FIX ME */ +#else +# define LDBL_MAX DBL_MAX +#endif + +/* The difference between 1 and the least value greater than 1 that is + * representable in the given floating-point type, b1-p. + */ + +#define FLT_EPSILON 1.1920929e-07F /* 1E-5 */ + +#if CONFIG_HAVE_DOUBLE +# define DBL_EPSILON 2.2204460492503131e-16 /* 1E-9 */ +#else +# define DBL_EPSILON FLT_EPSILON +#endif + +#ifdef CONFIG_HAVE_LONG_DOUBLE +# define LDBL_EPSILON DBL_EPSILON /* FIX ME */ +#else +# define LDBL_EPSILON DBL_EPSILON +#endif + +/* Minimum normalized positive floating-point number, bemin -1. */ + +#define FLT_MIN 1.17549435e-38F /* 1E-37 */ + +#if CONFIG_HAVE_DOUBLE +#define DBL_MIN 2.2250738585072014e-308 /* 1E-37 */ +#else +# define DBL_MIN FLT_MIN +#endif + +#ifdef CONFIG_HAVE_LONG_DOUBLE +# define LDBL_MIN DBL_MIN /* FIX ME */ +#else +# define LDBL_MIN DBL_MIN +#endif + +#endif /* __INCLUDE_NUTTX_FLOAT_H */ diff --git a/nuttx/include/nuttx/fs/fs.h b/nuttx/include/nuttx/fs/fs.h index 81f81622f..1759310bc 100644 --- a/nuttx/include/nuttx/fs/fs.h +++ b/nuttx/include/nuttx/fs/fs.h @@ -51,6 +51,10 @@ /**************************************************************************** * Definitions ****************************************************************************/ +/* Stream flags for the fs_flags field of in struct file_struct */ + +#define __FS_FLAG_EOF (1 << 0) /* EOF detected by a read operation */ +#define __FS_FLAG_ERROR (1 << 1) /* Error detected by any operation */ /**************************************************************************** * Type Definitions @@ -172,7 +176,7 @@ struct mountpt_operations int (*statfs)(FAR struct inode *mountpt, FAR struct statfs *buf); - /* Operations on pathes */ + /* Operations on paths */ int (*unlink)(FAR struct inode *mountpt, FAR const char *relpath); int (*mkdir)(FAR struct inode *mountpt, FAR const char *relpath, mode_t mode); @@ -270,11 +274,6 @@ struct filelist struct file_struct { int fs_filedes; /* File descriptor associated with stream */ - uint16_t fs_oflags; /* Open mode flags */ -#if CONFIG_NUNGET_CHARS > 0 - uint8_t fs_nungotten; /* The number of characters buffered for ungetc */ - unsigned char fs_ungotten[CONFIG_NUNGET_CHARS]; -#endif #if CONFIG_STDIO_BUFFER_SIZE > 0 sem_t fs_sem; /* For thread safety */ pid_t fs_holder; /* Holder of sem */ @@ -284,6 +283,12 @@ struct file_struct FAR unsigned char *fs_bufpos; /* Current position in buffer */ FAR unsigned char *fs_bufread; /* Pointer to 1 past last buffered read char. */ #endif + uint16_t fs_oflags; /* Open mode flags */ + uint8_t fs_flags; /* Stream flags */ +#if CONFIG_NUNGET_CHARS > 0 + uint8_t fs_nungotten; /* The number of characters buffered for ungetc */ + unsigned char fs_ungotten[CONFIG_NUNGET_CHARS]; +#endif }; struct streamlist diff --git a/nuttx/include/nuttx/i2c.h b/nuttx/include/nuttx/i2c.h index ef3d9a388..23356ecd3 100644 --- a/nuttx/include/nuttx/i2c.h +++ b/nuttx/include/nuttx/i2c.h @@ -1,7 +1,7 @@ /**************************************************************************** * include/nuttx/i2c.h * - * Copyright(C) 2009-2011 Gregory Nutt. All rights reserved. + * Copyright(C) 2009-2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -47,6 +47,16 @@ /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ +/* If a dynamic timeout is selected, then a non-negative, non-zero micro- + * seconds per byte vale must be provided as well. + */ + +#ifdef CONFIG_STM32_I2C_DYNTIMEO +# if CONFIG_STM32_I2C_DYNTIMEO_USECPERBYTE < 1 +# warning "Ignoring CONFIG_STM32_I2C_DYNTIMEO because of CONFIG_STM32_I2C_DYNTIMEO_USECPERBYTE" +# undef CONFIG_STM32_I2C_DYNTIMEO +# endif +#endif /* I2C address calculation. Convert 7- and 10-bit address to 8-bit and * 16-bit read/write address @@ -323,24 +333,19 @@ EXTERN FAR struct i2c_dev_s *up_i2cinitialize(int port); * ****************************************************************************/ -EXTERN int up_i2cuninitialize(FAR struct i2c_dev_s * dev); +EXTERN int up_i2cuninitialize(FAR struct i2c_dev_s *dev); -/**************************************************************************** +/************************************************************************************ * Name: up_i2creset * * Description: - * Reset the port and the associated I2C bus. Useful when the bus or an - * attached slave has become wedged or unresponsive. + * Reset an I2C bus * - * Input Parameter: - * Device structure as returned by the up_i2cinitalize() - * - * Returned Value: - * OK on success, ERROR if the bus cannot be unwedged. - * - ****************************************************************************/ + ************************************************************************************/ -EXTERN int up_i2creset(FAR struct i2c_dev_s * dev); +#ifdef CONFIG_I2C_RESET +EXTERN int up_i2creset(FAR struct i2c_dev_s *dev); +#endif #undef EXTERN #if defined(__cplusplus) diff --git a/nuttx/include/nuttx/input/keypad.h b/nuttx/include/nuttx/input/keypad.h new file mode 100644 index 000000000..574b421c1 --- /dev/null +++ b/nuttx/include/nuttx/input/keypad.h @@ -0,0 +1,54 @@ +/************************************************************************************ + * include/nuttx/input/keypad.h + * + * Copyright (C) 2012 Denis Carikli. + * Author: Denis Carikli <GNUtoo@no-log.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +#ifndef __INCLUDE_NUTTX_INPUT_KEYPAD_H +#define __INCLUDE_NUTTX_INPUT_KEYPAD_H + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#ifdef __cplusplus +extern "C" { +#endif + +int keypad_kbdinit(void); + +#ifdef __cplusplus +} +#endif + +#endif /* __INCLUDE_NUTTX_INPUT_KEYPAD_H */ + diff --git a/nuttx/include/nuttx/input/max11802.h b/nuttx/include/nuttx/input/max11802.h new file mode 100644 index 000000000..3d03bdd11 --- /dev/null +++ b/nuttx/include/nuttx/input/max11802.h @@ -0,0 +1,175 @@ +/**************************************************************************** + * include/nuttx/input/max11802.h + * + * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Authors: Gregory Nutt <gnutt@nuttx.org> + * Petteri Aimonen <jpa@nx.mail.kapsi.fi> + * + * References: + * "Low-Power, Ultra-Small Resistive Touch-Screen Controllers + * with I2C/SPI Interface" Maxim IC, Rev 3, 10/2010 + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +#ifndef __INCLUDE_NUTTX_INPUT_MAX11802_H +#define __INCLUDE_NUTTX_INPUT_MAX11802_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/spi.h> +#include <stdbool.h> +#include <nuttx/irq.h> + +#if defined(CONFIG_INPUT) && defined(CONFIG_INPUT_MAX11802) + +/**************************************************************************** + * Pre-Processor Definitions + ****************************************************************************/ +/* Configuration ************************************************************/ +/* SPI Frequency. Default: 100KHz */ + +#ifndef CONFIG_MAX11802_FREQUENCY +# define CONFIG_MAX11802_FREQUENCY 100000 +#endif + +/* Maximum number of threads than can be waiting for POLL events */ + +#ifndef CONFIG_MAX11802_NPOLLWAITERS +# define CONFIG_MAX11802_NPOLLWAITERS 2 +#endif + +#ifndef CONFIG_MAX11802_SPIMODE +# define CONFIG_MAX11802_SPIMODE SPIDEV_MODE0 +#endif + +/* Thresholds */ + +#ifndef CONFIG_MAX11802_THRESHX +# define CONFIG_MAX11802_THRESHX 12 +#endif + +#ifndef CONFIG_MAX11802_THRESHY +# define CONFIG_MAX11802_THRESHY 12 +#endif + +/* Check for some required settings. This can save the user a lot of time + * in getting the right configuration. + */ + +#ifdef CONFIG_DISABLE_SIGNALS +# error "Signals are required. CONFIG_DISABLE_SIGNALS must not be selected." +#endif + +#ifndef CONFIG_SCHED_WORKQUEUE +# error "Work queue support required. CONFIG_SCHED_WORKQUEUE must be selected." +#endif + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/* A reference to a structure of this type must be passed to the MAX11802 + * driver. This structure provides information about the configuration + * of the MAX11802 and provides some board-specific hooks. + * + * Memory for this structure is provided by the caller. It is not copied + * by the driver and is presumed to persist while the driver is active. The + * memory must be writable because, under certain circumstances, the driver + * may modify frequency or X plate resistance values. + */ + +struct max11802_config_s +{ + /* Device characterization */ + + uint32_t frequency; /* SPI frequency */ + + /* IRQ/GPIO access callbacks. These operations all hidden behind + * callbacks to isolate the MAX11802 driver from differences in GPIO + * interrupt handling by varying boards and MCUs. If possible, + * interrupts should be configured on both rising and falling edges + * so that contact and loss-of-contact events can be detected. + * + * attach - Attach the MAX11802 interrupt handler to the GPIO interrupt + * enable - Enable or disable the GPIO interrupt + * clear - Acknowledge/clear any pending GPIO interrupt + * pendown - Return the state of the pen down GPIO input + */ + + int (*attach)(FAR struct max11802_config_s *state, xcpt_t isr); + void (*enable)(FAR struct max11802_config_s *state, bool enable); + void (*clear)(FAR struct max11802_config_s *state); + bool (*pendown)(FAR struct max11802_config_s *state); +}; + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#ifdef __cplusplus +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/**************************************************************************** + * Name: max11802_register + * + * Description: + * Configure the MAX11802 to use the provided SPI device instance. This + * will register the driver as /dev/inputN where N is the minor device + * number + * + * Input Parameters: + * spi - An SPI driver instance + * config - Persistent board configuration data + * minor - The input device minor number + * + * Returned Value: + * Zero is returned on success. Otherwise, a negated errno value is + * returned to indicate the nature of the failure. + * + ****************************************************************************/ + +EXTERN int max11802_register(FAR struct spi_dev_s *spi, + FAR struct max11802_config_s *config, + int minor); + +#undef EXTERN +#ifdef __cplusplus +} +#endif + +#endif /* CONFIG_INPUT && CONFIG_INPUT_MAX11802 */ +#endif /* __INCLUDE_NUTTX_INPUT_MAX11802_H */ diff --git a/nuttx/include/nuttx/lcd/ug-2864ambag01.h b/nuttx/include/nuttx/lcd/ug-2864ambag01.h new file mode 100644 index 000000000..deb568981 --- /dev/null +++ b/nuttx/include/nuttx/lcd/ug-2864ambag01.h @@ -0,0 +1,245 @@ +/************************************************************************************** + * include/nuttx/lcd/ug-2864ambag01.h + * Driver for Univision UG-2864AMBAG01 OLED display (wih SH1101A controller) in SPI + * mode + * + * Copyright (C) 2012 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * References: + * 1. Product Specification (Preliminary), Part Name: OEL Display Module, Part ID: + * UG-2864AMBAG01, Doc No: SASI-9015-A, Univision Technology Inc. + * 2. SH1101A, 132 X 64 Dot Matrix OLED/PLED, Preliminary Segment/Common Driver with + * Controller, Sino Wealth + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + **************************************************************************************/ + +#ifndef __INCLUDE_NUTTX_UG_8264AMBAG01_H +#define __INCLUDE_NUTTX_UG_8264AMBAG01_H + +/************************************************************************************** + * Included Files + **************************************************************************************/ + +#include <nuttx/config.h> + +#include <stdbool.h> + +#include <nuttx/arch.h> + +#ifdef CONFIG_LCD_UG2864AMBAG01 + +/************************************************************************************** + * Pre-processor Definitions + **************************************************************************************/ +/* Configuration **********************************************************************/ +/* UG-2864AMBAG01 Configuration Settings: + * + * CONFIG_UG2864AMBAG01_SPIMODE - Controls the SPI mode + * CONFIG_UG2864AMBAG01_FREQUENCY - Define to use a different bus frequency + * CONFIG_UG2864AMBAG01_NINTERFACES - Specifies the number of physical UG-2864AMBAG01 + * devices that will be supported. + * + * Required LCD driver settings: + * + * CONFIG_LCD_UG28AMBAG01 - Enable UG-2864AMBAG01 support + * CONFIG_LCD_MAXCONTRAST should be 255, but any value >0 and <=255 will be accepted. + * CONFIG_LCD_MAXPOWER must be 1 + * + * Option LCD driver settings: + * CONFIG_LCD_LANDSCAPE, CONFIG_LCD_PORTRAIT, CONFIG_LCD_RLANDSCAPE, and + * CONFIG_LCD_RPORTRAIT - Display orientation. + * + * Required SPI driver settings: + * CONFIG_SPI_CMDDATA - Include support for cmd/data selection. + */ + +/* SPI Interface + * + * "The serial interface consists of serial clock SCL, serial data SI, A0 and + * CS . SI is shifted into an 8-bit shift register on every rising edge of + * SCL in the order of D7, D6, … and D0. A0 is sampled on every eighth clock + * and the data byte in the shift register is written to the display data RAM + * or command register in the same clock." + * + * MODE 3: + * Clock polarity: High (CPOL=1) + * Clock phase: Sample on trailing (rising edge) (CPHA 1) + */ + +#ifndef CONFIG_UG2864AMBAG01_SPIMODE +# define CONFIG_UG2864AMBAG01_SPIMODE SPIDEV_MODE3 +#endif + +/* "This module determines whether the input data is interpreted as data or + * command. When A0 = “H”, the inputs at D7 - D0 are interpreted as data and be + * written to display RAM. When A0 = “L”, the inputs at D7 - D0 are interpreted + * as command, they will be decoded and be written to the corresponding command + * registers. + */ + +#ifndef CONFIG_SPI_CMDDATA +# error "CONFIG_SPI_CMDDATA must be defined in your NuttX configuration" +#endif + +/* CONFIG_UG2864AMBAG01_NINTERFACES determines the number of physical interfaces + * that will be supported. + */ + +#ifndef CONFIG_UG2864AMBAG01_NINTERFACES +# define CONFIG_UG2864AMBAG01_NINTERFACES 1 +#endif + +/* Check contrast selection */ + +#if !defined(CONFIG_LCD_MAXCONTRAST) +# define CONFIG_LCD_MAXCONTRAST 255 +#endif + +#if CONFIG_LCD_MAXCONTRAST <= 0|| CONFIG_LCD_MAXCONTRAST > 255 +# error "CONFIG_LCD_MAXCONTRAST exceeds supported maximum" +#endif + +#if CONFIG_LCD_MAXCONTRAST < 255 +# warning "Optimal setting of CONFIG_LCD_MAXCONTRAST is 255" +#endif + +/* Check power setting */ + +#if !defined(CONFIG_LCD_MAXPOWER) +# define CONFIG_LCD_MAXPOWER 1 +#endif + +#if CONFIG_LCD_MAXPOWER != 1 +# warning "CONFIG_LCD_MAXPOWER exceeds supported maximum" +# undef CONFIG_LCD_MAXPOWER +# define CONFIG_LCD_MAXPOWER 1 +#endif + +/* Color is 1bpp monochrome with leftmost column contained in bits 0 */ + +#ifdef CONFIG_NX_DISABLE_1BPP +# warning "1 bit-per-pixel support needed" +#endif + +/* Orientation */ + +#if defined(CONFIG_LCD_LANDSCAPE) +# undef CONFIG_LCD_PORTRAIT +# undef CONFIG_LCD_RLANDSCAPE +# undef CONFIG_LCD_RPORTRAIT +#elif defined(CONFIG_LCD_PORTRAIT) +# undef CONFIG_LCD_LANDSCAPE +# undef CONFIG_LCD_RLANDSCAPE +# undef CONFIG_LCD_RPORTRAIT +#elif defined(CONFIG_LCD_RLANDSCAPE) +# undef CONFIG_LCD_LANDSCAPE +# undef CONFIG_LCD_PORTRAIT +# undef CONFIG_LCD_RPORTRAIT +#elif defined(CONFIG_LCD_RPORTRAIT) +# undef CONFIG_LCD_LANDSCAPE +# undef CONFIG_LCD_PORTRAIT +# undef CONFIG_LCD_RLANDSCAPE +#else +# define CONFIG_LCD_LANDSCAPE 1 +# warning "Assuming landscape orientation" +#endif + +/* Some important "colors" */ + +#define UG_Y1_BLACK 0 +#define UG_Y1_WHITE 1 + +/************************************************************************************** + * Public Types + **************************************************************************************/ + +/************************************************************************************** + * Public Data + **************************************************************************************/ + +#ifdef __cplusplus +extern "C" +{ +#endif + +/************************************************************************************** + * Public Function Prototypes + **************************************************************************************/ + +/************************************************************************************** + * Name: ug2864ambag01_initialize + * + * Description: + * Initialize the UG-2864AMBAG01 video hardware. The initial state of the + * OLED is fully initialized, display memory cleared, and the OLED ready + * to use, but with the power setting at 0 (full off == sleep mode). + * + * Input Parameters: + * + * spi - A reference to the SPI driver instance. + * devno - A value in the range of 0 through CONFIG_UG2864AMBAG01_NINTERFACES-1. + * This allows support for multiple OLED devices. + * + * Returned Value: + * + * On success, this function returns a reference to the LCD object for + * the specified OLED. NULL is returned on any failure. + * + **************************************************************************************/ + +struct lcd_dev_s; /* See include/nuttx/lcd/lcd.h */ +struct spi_dev_s; /* See include/nuttx/spi.h */ +FAR struct lcd_dev_s *ug2864ambag01_initialize(FAR struct spi_dev_s *spi, + unsigned int devno); + +/************************************************************************************************ + * Name: ug2864ambag01_fill + * + * Description: + * This non-standard method can be used to clear the entire display by writing one + * color to the display. This is much faster than writing a series of runs. + * + * Input Parameters: + * priv - Reference to private driver structure + * + * Assumptions: + * Caller has selected the OLED section. + * + **************************************************************************************/ + +void ug2864ambag01_fill(FAR struct lcd_dev_s *dev, uint8_t color); + +#ifdef __cplusplus +} +#endif + +#endif /* CONFIG_LCD_UG2864AMBAG01 */ +#endif /* __INCLUDE_NUTTX_UG_8264AMBAG01_H */ diff --git a/nuttx/include/nuttx/lcd/ug-9664hswag01.h b/nuttx/include/nuttx/lcd/ug-9664hswag01.h index 696005b5d..b470e0895 100644 --- a/nuttx/include/nuttx/lcd/ug-9664hswag01.h +++ b/nuttx/include/nuttx/lcd/ug-9664hswag01.h @@ -3,7 +3,7 @@ * Driver for the Univision UG-9664HSWAG01 Display with the Solomon Systech * SSD1305 LCD controller. * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. + * Copyright (C) 2011-2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <gnutt@nuttx.org> * * Redistribution and use in source and binary forms, with or without @@ -58,8 +58,6 @@ * CONFIG_UG9664HSWAG01_POWER * If the hardware supports a controllable OLED a power supply, this * configuration shold be defined. (See ug_power() below). - * CONFIG_LCD_UGDEBUG - Enable detailed UG-9664HSWAG01 debug output - * (CONFIG_DEBUG and CONFIG_VERBOSE must also be enabled). * * Required LCD driver settings: * CONFIG_LCD_UG9664HSWAG01 - Enable UG-9664HSWAG01 support @@ -90,10 +88,8 @@ ****************************************************************************/ #ifdef __cplusplus -#define EXTERN extern "C" -extern "C" { -#else -#define EXTERN extern +extern "C" +{ #endif /**************************************************************************** @@ -123,7 +119,7 @@ extern "C" { struct lcd_dev_s; /* see nuttx/lcd.h */ struct spi_dev_s; /* see nuttx/spi.h */ -EXTERN FAR struct lcd_dev_s *ug_initialize(FAR struct spi_dev_s *spi, unsigned int devno); +FAR struct lcd_dev_s *ug_initialize(FAR struct spi_dev_s *spi, unsigned int devno); /**************************************************************************** * Name: ug_power @@ -145,12 +141,11 @@ EXTERN FAR struct lcd_dev_s *ug_initialize(FAR struct spi_dev_s *spi, unsigned i **************************************************************************************/ #ifdef CONFIG_UG9664HSWAG01_POWER -EXTERN void ug_power(unsigned int devno, bool on); +void ug_power(unsigned int devno, bool on); #else # define ug_power(a,b) #endif -#undef EXTERN #ifdef __cplusplus } #endif diff --git a/nuttx/include/nuttx/math.h b/nuttx/include/nuttx/math.h index 84dbea6e0..aaadb9c91 100644 --- a/nuttx/include/nuttx/math.h +++ b/nuttx/include/nuttx/math.h @@ -50,14 +50,280 @@ #ifdef CONFIG_ARCH_MATH_H # include <arch/math.h> -#endif + +/* If CONFIG_LIB is enabled, then the math library at lib/math will be + * built. This library was taken from the math library developed for the + * Rhombus OS by Nick Johnson (https://github.com/nickbjohnson4224/rhombus). + * The port or the Rhombus math library was contributed by Darcy Gong. + */ + +#else if defined CONFIG_LIBM /**************************************************************************** - * Type Definitions + * Copyright (C) 2009-2011 Nick Johnson <nickbjohnson4224 at gmail.com> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + * ****************************************************************************/ /**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/compiler.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/* General Constants ********************************************************/ + +#define INFINITY (1.0/0.0) +#define NAN (0.0/0.0) +#define HUGE_VAL INFINITY + +#define isnan(x) ((x) != (x)) +#define isinf(x) (((x) == INFINITY) || ((x) == -INFINITY)) + +/* Exponential and Logarithmic constants ************************************/ + +#define M_E 2.7182818284590452353602874713526625 +#define M_SQRT2 1.4142135623730950488016887242096981 +#define M_SQRT1_2 0.7071067811865475244008443621048490 +#define M_LOG2E 1.4426950408889634073599246810018921 +#define M_LOG10E 0.4342944819032518276511289189166051 +#define M_LN2 0.6931471805599453094172321214581765 +#define M_LN10 2.3025850929940456840179914546843642 + +/* Trigonometric Constants **************************************************/ + +#define M_PI 3.1415926535897932384626433832795029 +#define M_PI_2 1.5707963267948966192313216916397514 +#define M_PI_4 0.7853981633974483096156608458198757 +#define M_1_PI 0.3183098861837906715377675267450287 +#define M_2_PI 0.6366197723675813430755350534900574 +#define M_2_SQRTPI 1.1283791670955125738961589031215452 + +/**************************************************************************** * Public Function Prototypes ****************************************************************************/ +#if defined(__cplusplus) +extern "C" { +#endif + +/* General Functions ********************************************************/ + +float ceilf (float x); +#if CONFIG_HAVE_DOUBLE +double ceil (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double ceill (long double x); +#endif + +float floorf(float x); +#if CONFIG_HAVE_DOUBLE +double floor (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double floorl(long double x); +#endif + +float roundf(float x); +#if CONFIG_HAVE_DOUBLE +double round (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double roundl(long double x); +#endif + +float fabsf (float x); +#if CONFIG_HAVE_DOUBLE +double fabs (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double fabsl (long double x); +#endif + +float modff (float x, float *iptr); +#if CONFIG_HAVE_DOUBLE +double modf (double x, double *iptr); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double modfl (long double x, long double *iptr); +#endif + +float fmodf (float x, float div); +#if CONFIG_HAVE_DOUBLE +double fmod (double x, double div); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double fmodl (long double x, long double div); +#endif + +/* Exponential and Logarithmic Functions ************************************/ + +float powf (float b, float e); +#if CONFIG_HAVE_DOUBLE +double pow (double b, double e); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double powl (long double b, long double e); +#endif + +float expf (float x); +#if CONFIG_HAVE_DOUBLE +double exp (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double expl (long double x); +#endif + +float logf (float x); +#if CONFIG_HAVE_DOUBLE +double log (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double logl (long double x); +#endif + +float log10f(float x); +#if CONFIG_HAVE_DOUBLE +double log10 (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double log10l(long double x); +#endif + +float log2f (float x); +#if CONFIG_HAVE_DOUBLE +double log2 (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double log2l (long double x); +#endif + +float sqrtf (float x); +#if CONFIG_HAVE_DOUBLE +double sqrt (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double sqrtl (long double x); +#endif + +float ldexpf(float x, int n); +#if CONFIG_HAVE_DOUBLE +double ldexp (double x, int n); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double ldexpl(long double x, int n); +#endif + +float frexpf(float x, int *exp); +#if CONFIG_HAVE_DOUBLE +double frexp (double x, int *exp); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double frexpl(long double x, int *exp); +#endif + +/* Trigonometric Functions **************************************************/ + +float sinf (float x); +#if CONFIG_HAVE_DOUBLE +double sin (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double sinl (long double x); +#endif + +float cosf (float x); +#if CONFIG_HAVE_DOUBLE +double cos (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double cosl (long double x); +#endif + +float tanf (float x); +#if CONFIG_HAVE_DOUBLE +double tan (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double tanl (long double x); +#endif + +float asinf (float x); +#if CONFIG_HAVE_DOUBLE +double asin (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double asinl (long double x); +#endif + +float acosf (float x); +#if CONFIG_HAVE_DOUBLE +double acos (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double acosl (long double x); +#endif + +float atanf (float x); +#if CONFIG_HAVE_DOUBLE +double atan (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double atanl (long double x); +#endif + +float atan2f(float y, float x); +#if CONFIG_HAVE_DOUBLE +double atan2 (double y, double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double atan2l(long double y, long double x); +#endif + +float sinhf (float x); +#if CONFIG_HAVE_DOUBLE +double sinh (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double sinhl (long double x); +#endif + +float coshf (float x); +#if CONFIG_HAVE_DOUBLE +double cosh (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double coshl (long double x); +#endif + +float tanhf (float x); +#if CONFIG_HAVE_DOUBLE +double tanh (double x); +#endif +#ifdef CONFIG_HAVE_LONG_DOUBLE +long double tanhl (long double x); +#endif + +#if defined(__cplusplus) +} +#endif + +#endif /* CONFIG_LIBM */ #endif /* __INCLUDE_NUTTX_MATH_H */ diff --git a/nuttx/include/nuttx/mtd.h b/nuttx/include/nuttx/mtd.h index 44582c412..ff48d313f 100644 --- a/nuttx/include/nuttx/mtd.h +++ b/nuttx/include/nuttx/mtd.h @@ -220,7 +220,6 @@ EXTERN FAR struct mtd_dev_s *at24c_initialize(FAR struct i2c_dev_s *dev); EXTERN FAR struct mtd_dev_s *sst25_initialize(FAR struct spi_dev_s *dev); - /**************************************************************************** * Name: w25_initialize * @@ -233,6 +232,8 @@ EXTERN FAR struct mtd_dev_s *sst25_initialize(FAR struct spi_dev_s *dev); EXTERN FAR struct mtd_dev_s *w25_initialize(FAR struct spi_dev_s *dev); +EXTERN FAR struct mtd_dev_s *at25_initialize(FAR struct spi_dev_s *dev); + #undef EXTERN #ifdef __cplusplus } diff --git a/nuttx/include/nuttx/net/ioctl.h b/nuttx/include/nuttx/net/ioctl.h index be3f597f4..d5d1a001c 100644 --- a/nuttx/include/nuttx/net/ioctl.h +++ b/nuttx/include/nuttx/net/ioctl.h @@ -146,9 +146,15 @@ #define SIOCSIWPMKSA _SIOC(0x0036) /* PMKSA cache operation */ +/* Interface flags */ + +#define SIOCSIFFLAGS _SIOC(0x0037) /* Sets the interface flags */ +#define SIOCGIFFLAGS _SIOC(0x0038) /* Gets the interface flags */ + /**************************************************************************** * Type Definitions ****************************************************************************/ + /* See include/net/if.h */ /**************************************************************************** diff --git a/nuttx/include/nuttx/net/uip/uip-arch.h b/nuttx/include/nuttx/net/uip/uip-arch.h index 9546de04e..73805c6fb 100644 --- a/nuttx/include/nuttx/net/uip/uip-arch.h +++ b/nuttx/include/nuttx/net/uip/uip-arch.h @@ -90,6 +90,10 @@ struct uip_driver_s char d_ifname[IFNAMSIZ]; #endif + /* Drivers interface flags. See IFF_* definitions in include/net/if.h */ + + uint8_t d_flags; + /* Ethernet device identity */ #ifdef CONFIG_NET_ETHERNET diff --git a/nuttx/include/nuttx/power/pm.h b/nuttx/include/nuttx/power/pm.h index 86e23f090..9c0568b2d 100644 --- a/nuttx/include/nuttx/power/pm.h +++ b/nuttx/include/nuttx/power/pm.h @@ -163,7 +163,7 @@ #endif #if CONFIG_PM_IDLEENTER_THRESH >= CONFIG_PM_IDLEEXIT_THRESH -# error "Must have CONFIG_PM_IDLEENTER_THRESH < CONFIG_PM_IDLEEXIT_THRESH +# error "Must have CONFIG_PM_IDLEENTER_THRESH < CONFIG_PM_IDLEEXIT_THRESH" #endif #ifndef CONFIG_PM_IDLEENTER_COUNT @@ -181,7 +181,7 @@ #endif #if CONFIG_PM_STANDBYENTER_THRESH >= CONFIG_PM_STANDBYEXIT_THRESH -# error "Must have CONFIG_PM_STANDBYENTER_THRESH < CONFIG_PM_STANDBYEXIT_THRESH +# error "Must have CONFIG_PM_STANDBYENTER_THRESH < CONFIG_PM_STANDBYEXIT_THRESH" #endif #ifndef CONFIG_PM_STANDBYENTER_COUNT @@ -199,7 +199,7 @@ #endif #if CONFIG_PM_SLEEPENTER_THRESH >= CONFIG_PM_SLEEPEXIT_THRESH -# error "Must have CONFIG_PM_SLEEPENTER_THRESH < CONFIG_PM_SLEEPEXIT_THRESH +# error "Must have CONFIG_PM_SLEEPENTER_THRESH < CONFIG_PM_SLEEPEXIT_THRESH" #endif #ifndef CONFIG_PM_SLEEPENTER_COUNT diff --git a/nuttx/include/nuttx/sched.h b/nuttx/include/nuttx/sched.h index 241af6210..6eaba6e9c 100644 --- a/nuttx/include/nuttx/sched.h +++ b/nuttx/include/nuttx/sched.h @@ -138,11 +138,11 @@ typedef union entry_u entry_t; */ #ifdef CONFIG_SCHED_ATEXIT -typedef void (*atexitfunc_t)(void); +typedef CODE void (*atexitfunc_t)(void); #endif #ifdef CONFIG_SCHED_ONEXIT -typedef void (*onexitfunc_t)(int exitcode, FAR void *arg); +typedef CODE void (*onexitfunc_t)(int exitcode, FAR void *arg); #endif /* POSIX Message queue */ @@ -163,24 +163,40 @@ typedef struct environ_s environ_t; # define SIZEOF_ENVIRON_T(alloc) (sizeof(environ_t) + alloc - 1) #endif -/* This structure describes a reference counted D-Space region */ +/* This structure describes a reference counted D-Space region. This must be a + * separately allocated "break-away" structure that can be owned by a task and + * any pthreads created by the task. + */ +#ifdef CONFIG_PIC struct dspace_s { - uint32_t crefs; /* This is the number of pthreads that shared the - * the same D-Space */ - uint8_t region[1]; /* Beginning of the allocated region */ -}; + /* The life of the structure allocation is determined by this reference + * count. This count is number of threads that shared the the same D-Space. + * This includes the parent task as well as any pthreads created by the + * parent task or any of its child threads. + */ -#define SIZEOF_DSPACE_S(n) (sizeof(struct dspace_s) - 1 + (n)) + uint16_t crefs; -/* This is the task control block (TCB) */ + /* This is the allocated D-Space memory region. This may be a physical + * address allocated with kmalloc(), or it may be virtual address associated + * with an address environment (if CONFIG_ADDRENV=y). + */ + + FAR uint8_t *region; +}; +#endif + +/* This is the task control block (TCB). Each task or thread is represented by + * a TCB. The TCB is the heart of the NuttX task-control logic. + */ struct _TCB { /* Fields used to support list management *************************************/ - FAR struct _TCB *flink; /* link in DQ of TCBs */ + FAR struct _TCB *flink; /* Doubly linked list */ FAR struct _TCB *blink; /* Task Management Fields *****************************************************/ @@ -189,7 +205,7 @@ struct _TCB start_t start; /* Thread start function */ entry_t entry; /* Entry Point into the thread */ -#ifdef CONFIG_SCHED_ATEXIT +#if defined(CONFIG_SCHED_ATEXIT) && !defined(CONFIG_SCHED_ONEXIT) # if defined(CONFIG_SCHED_ATEXIT_MAX) && CONFIG_SCHED_ATEXIT_MAX > 1 atexitfunc_t atexitfunc[CONFIG_SCHED_ATEXIT_MAX]; # else diff --git a/nuttx/include/nuttx/usb/cdcacm.h b/nuttx/include/nuttx/usb/cdcacm.h index 307f2a597..1dca050c4 100644 --- a/nuttx/include/nuttx/usb/cdcacm.h +++ b/nuttx/include/nuttx/usb/cdcacm.h @@ -205,7 +205,7 @@ /* USB Controller */ #ifndef CONFIG_USBDEV_SELFPOWERED -# define SELFPOWERED USB_CONFIG_ATT_SELFPOWER +# define SELFPOWERED USB_CONFIG_ATTR_SELFPOWER #else # define SELFPOWERED (0) #endif diff --git a/nuttx/include/nuttx/usb/usbdev_trace.h b/nuttx/include/nuttx/usb/usbdev_trace.h index ae8e13c3a..ab3a5f4be 100644 --- a/nuttx/include/nuttx/usb/usbdev_trace.h +++ b/nuttx/include/nuttx/usb/usbdev_trace.h @@ -238,10 +238,6 @@ #define USBCOMPOSITE_TRACEERR_ALLOCDEVSTRUCT 0x000a #define USBCOMPOSITE_TRACEERR_CLASSOBJECT 0x000b #define USBCOMPOSITE_TRACEERR_DEVREGISTER 0x000c -#define USBCOMPOSITE_TRACEERR_INVALIDARG 0x000d -#define USBCOMPOSITE_TRACEERR_INVALIDARG 0x000f -#define USBCOMPOSITE_TRACEERR_INVALIDARG 0x0010 -#define USBCOMPOSITE_TRACEERR_INVALIDARG 0x0011 /* USB Storage driver class events ******************************************/ diff --git a/nuttx/include/nuttx/vt100.h b/nuttx/include/nuttx/vt100.h index d834f48f0..32344a1de 100644 --- a/nuttx/include/nuttx/vt100.h +++ b/nuttx/include/nuttx/vt100.h @@ -179,8 +179,8 @@ #define VT52_CLEAREOL {ASCII_ESC, 'K'} /* Erase to end of current line */ #define VT52_CLEAREOS {ASCII_ESC, 'J'} /* Erase to end of screen */ -#define VT52_IDENT {ASCII_ESC, 'Z'} /* dentify what the terminal is */ -#define VT52_IDENTRESP {ASCII_ESC, '/', 'Z'} /* Correct response to ident */ +#define VT52_IDENT {ASCII_ESC, 'Z'} /* Identify what the terminal is */ +#define VT52_IDENTRESP {ASCII_ESC, '/', 'Z'} /* Correct response to ident */ /* VT100 Special Key Codes * diff --git a/nuttx/include/nuttx/wqueue.h b/nuttx/include/nuttx/wqueue.h index 644585c56..c509bf197 100644 --- a/nuttx/include/nuttx/wqueue.h +++ b/nuttx/include/nuttx/wqueue.h @@ -109,17 +109,35 @@ # endif #endif -/* Work queue IDs (indices). These are both zero if there is only one work - * queue. +/* Work queue IDs (indices): + * + * Kernel Work Queues: + * HPWORK: This ID of the high priority work queue that should only be used for + * hi-priority, time-critical, driver bottom-half functions. + * + * LPWORK: This is the ID of the low priority work queue that can be used for any + * purpose. if CONFIG_SCHED_LPWORK is not defined, then there is only one kernel + * work queue and LPWORK == HPWORK. + * + * User Work Queue: + * USRWORK: CONFIG_NUTTX_KERNEL and CONFIG_SCHED_USRWORK are defined, then NuttX + * will also support a user-accessible work queue. Otherwise, USRWORK == LPWORK. */ #define HPWORK 0 #ifdef CONFIG_SCHED_LPWORK -# define LPWORK 1 +# define LPWORK (HPWORK+1) #else # define LPWORK HPWORK #endif +#if defined(CONFIG_NUTTX_KERNEL) && defined(CONFIG_SCHED_USRWORK) +# warning "Feature not implemented" +# define USRWORK (LPWORK+1) +#else +# define USRWORK LPWORK +#endif + /**************************************************************************** * Public Types ****************************************************************************/ |