diff options
Diffstat (limited to 'apps')
| -rw-r--r-- | apps/ChangeLog.txt | 2 | ||||
| -rw-r--r-- | apps/examples/Kconfig | 1 | ||||
| -rw-r--r-- | apps/examples/Make.defs | 4 | ||||
| -rw-r--r-- | apps/examples/Makefile | 12 | ||||
| -rw-r--r-- | apps/examples/README.txt | 48 | ||||
| -rw-r--r-- | apps/examples/i2schar/.gitignore | 11 | ||||
| -rw-r--r-- | apps/examples/i2schar/Kconfig | 88 | ||||
| -rw-r--r-- | apps/examples/i2schar/Makefile | 115 | ||||
| -rw-r--r-- | apps/examples/i2schar/i2schar.h | 177 | ||||
| -rw-r--r-- | apps/examples/i2schar/i2schar_main.c | 344 | ||||
| -rw-r--r-- | apps/examples/i2schar/i2schar_receiver.c | 174 | ||||
| -rw-r--r-- | apps/examples/i2schar/i2schar_transmitter.c | 184 |
12 files changed, 1153 insertions, 7 deletions
diff --git a/apps/ChangeLog.txt b/apps/ChangeLog.txt index 9b19a6bf4..1dd37754f 100644 --- a/apps/ChangeLog.txt +++ b/apps/ChangeLog.txt @@ -733,3 +733,5 @@ * apps/system/nxplayer: Play thread stack size is now configurable. All NxPlayer threads now have names assigned via pthread_setname_np(). From Ken Pettit (2013-11-10). + * apps/examples/i2schar: The beginning of an I2C test based on the I2C + character driver (2013-11-10).
\ No newline at end of file diff --git a/apps/examples/Kconfig b/apps/examples/Kconfig index c7ad1b998..3d3f4edc7 100644 --- a/apps/examples/Kconfig +++ b/apps/examples/Kconfig @@ -19,6 +19,7 @@ source "$APPSDIR/examples/json/Kconfig" source "$APPSDIR/examples/hidkbd/Kconfig" source "$APPSDIR/examples/keypadtest/Kconfig" source "$APPSDIR/examples/igmp/Kconfig" +source "$APPSDIR/examples/i2schar/Kconfig" source "$APPSDIR/examples/lcdrw/Kconfig" source "$APPSDIR/examples/mm/Kconfig" source "$APPSDIR/examples/modbus/Kconfig" diff --git a/apps/examples/Make.defs b/apps/examples/Make.defs index 78a3fc273..e2c741eae 100644 --- a/apps/examples/Make.defs +++ b/apps/examples/Make.defs @@ -94,6 +94,10 @@ ifeq ($(CONFIG_EXAMPLES_IGMP),y) CONFIGURED_APPS += examples/igmp endif +ifeq ($(CONFIG_EXAMPLES_I2SCHAR),y) +CONFIGURED_APPS += examples/i2schar +endif + ifeq ($(CONFIG_EXAMPLES_JSON),y) CONFIGURED_APPS += examples/json endif diff --git a/apps/examples/Makefile b/apps/examples/Makefile index e616a6541..8b7b56b3d 100644 --- a/apps/examples/Makefile +++ b/apps/examples/Makefile @@ -38,8 +38,8 @@ # Sub-directories SUBDIRS = adc buttons can cc3000 cxxtest dhcpd discover elf flash_test -SUBDIRS += ftpc ftpd hello helloxx hidkbd igmp json keypadtest lcdrw -SUBDIRS += mm modbus mount mtdpart nettest nrf24l01_term nsh null nx +SUBDIRS += ftpc ftpd hello helloxx hidkbd igmp i2schar json keypadtest +SUBDIRS += lcdrw mm modbus mount mtdpart nettest nrf24l01_term nsh null nx SUBDIRS += nxconsole nxffs nxflat nxhello nximage nxlines nxtext ostest SUBDIRS += pashello pipe poll posix_spawn pwm qencoder random relays rgmp SUBDIRS += romfs sendmail serloop slcd smart smart_test tcpecho telnetd @@ -54,10 +54,10 @@ CNTXTDIRS = pwm ifeq ($(CONFIG_NSH_BUILTIN_APPS),y) CNTXTDIRS += adc can cc3000 cxxtest dhcpd discover flash_test ftpd -CNTXTDIRS += hello helloxx json keypadtestmodbus lcdrw mtdpart nettest -CNTXTDIRS += nx nxhello nximage nxlines nxtext nrf24l01_term ostest random -CNTXTDIRS += relays qencoder slcd smart_test tcpecho telnetd tiff -CNTXTDIRS += touchscreen usbterm watchdog wgetjson +CNTXTDIRS += hello helloxx i2schar json keypadtestmodbus lcdrw mtdpart +CNTXTDIRS += nettest nx nxhello nximage nxlines nxtext nrf24l01_term +CNTXTDIRS += ostest random relays qencoder slcd smart_test tcpecho telnetd +CNTXTDIRS += tiff touchscreen usbterm watchdog wgetjson endif all: nothing diff --git a/apps/examples/README.txt b/apps/examples/README.txt index c05bffa37..b6547399c 100644 --- a/apps/examples/README.txt +++ b/apps/examples/README.txt @@ -480,7 +480,6 @@ examples/hidkbd able and control ASCII characters will be provided to the user. Requires CONFIG_HIDKBD_ENCODED && CONFIG_LIB_KBDCODEC -endif examples/igmp ^^^^^^^^^^^^^ @@ -501,6 +500,53 @@ examples/igmp * CONFIG_EXAMPLES_UIPLIB The UIP library is needed +examples/adc +^^^^^^^^^^^^ + + A mindlessly simple test of an I2C driver. It reads an write garbage data to the + I2C transmitter and/or received as fast possible. + + This test depends on these specific I2S/AUDIO/NSH configurations settings (your + specific I2S settings might require additional settings). + + CONFIG_I2S - Enabled I2S support + CONFIG_AUDIO - Enabled audio support + CONFIG_AUDIO_DEVICES - Enable audio device support + CONFIG_AUDIO_I2SCHAR = Enabled support for the I2S character device + CONFIG_NSH_BUILTIN_APPS - Build the I2S test as an NSH built-in function. + Default: Built as a standalone problem + + Specific configuration options for this example include: + + CONFIG_EXAMPLES_I2SCHAR - Enables the I2C test + CONFIG_EXAMPLES_I2SCHAR_DEVPATH - The default path to the ADC device. + Default: /dev/i2schar0 + CONFIG_EXAMPLES_I2SCHAR_TX - This should be set if the I2S device supports + a transmitter. + CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS - This is the default number of audio + buffers to send before the TX transfers terminate. When both TX and + RX transfers terminate, the task exits (and, if an NSH builtin, the + i2schar command returns). This number can be changed from the NSH + command line. + CONFIG_EXAMPLES_I2SCHAR_TXSTACKSIZE - This is the stack size to use when + starting the transmitter thread. Default 1536. + CONFIG_EXAMPLES_I2SCHAR_RX - This should be set if the I2S device supports + a transmitter. + CONFIG_EXAMPLES_I2SCHAR_RXBUFFERS - This is the default number of audio + buffers to receive before the RX transfers terminate. When both TX and + RX transfers terminate, the task exits (and, if an NSH builtin, the + i2schar command returns). This number can be changed from the NSH + command line. + CONFIG_EXAMPLES_I2SCHAR_RXSTACKSIZE - This is the stack size to use when + starting the receiver thread. Default 1536. + CONFIG_EXAMPLES_I2SCHAR_BUFSIZE - The size of the data payload in one + audio buffer. Applies to both TX and RX audio buffers. + CONFIG_EXAMPLES_I2SCHAR_DEVINIT - Define if architecture-specific I2S + device initialize is available. If defined, the the platform specific + code must provide a function i2schar_devinit() that will be called + each time that this test executes. Not available in the kernel build + mode. + examples/json ^^^^^^^^^^^^^ diff --git a/apps/examples/i2schar/.gitignore b/apps/examples/i2schar/.gitignore new file mode 100644 index 000000000..fa1ec7579 --- /dev/null +++ b/apps/examples/i2schar/.gitignore @@ -0,0 +1,11 @@ +/Make.dep +/.depend +/.built +/*.asm +/*.obj +/*.rel +/*.lst +/*.sym +/*.adb +/*.lib +/*.src diff --git a/apps/examples/i2schar/Kconfig b/apps/examples/i2schar/Kconfig new file mode 100644 index 000000000..953318cfe --- /dev/null +++ b/apps/examples/i2schar/Kconfig @@ -0,0 +1,88 @@ +# +# For a description of the syntax of this configuration file, +# see misc/tools/kconfig-language.txt. +# + +config EXAMPLES_I2SCHAR + bool "I2S character driver test" + default n + depends on I2S && AUDIO && AUDIO_DEVICES && AUDIO_I2SCHAR + ---help--- + Enable the I2S character driver test + +if EXAMPLES_I2SCHAR + +config EXAMPLES_I2SCHAR_DEVPATH + string "I2S character device path" + default "/dev/i2schar0" + ---help--- + The default path to the I2S character device. Default: /dev/i2schar0 + +config EXAMPLES_I2SCHAR_TX + bool "Use I2S transmitter" + default n + ---help--- + This should be set if the I2S device supports a transmitter. + +if EXAMPLES_I2SCHAR_TX + +config EXAMPLES_I2SCHAR_TXBUFFERS + int "Number of TX buffers" + default 4 + ---help--- + This is the default number of audio buffers to send before the TX + transfers terminate. When both TX and RX transfers terminate, the + task exits (and, if an NSH builtin, the i2schar command returns). + This number can be changed from the NSH command line. + +config EXAMPLES_I2SCHAR_TXSTACKSIZE + int "Transmitter thread stack size" + default 1536 + ---help--- + This is the stack size to use when starting the transmitter thread. + +endif # EXAMPLES_I2SCHAR_TX + +config EXAMPLES_I2SCHAR_RX + bool "Use I2S receiver" + default n + ---help--- + This should be set if the I2S device supports a receiver. + +if EXAMPLES_I2SCHAR_RX + +config EXAMPLES_I2SCHAR_RXBUFFERS + int "Number of RX buffers" + default 4 + ---help--- + This is the default number of audio buffers to receive before the RX + transfers terminate. When both TX and RX transfers terminate, the + task exits (and, if an NSH builtin, the i2schar command returns). + This number can be changed from the NSH command line. + +config EXAMPLES_I2SCHAR_RXSTACKSIZE + int "Receiver thread stack size" + default 1536 + ---help--- + This is the stack size to use when starting the receiver thread. + +endif # EXAMPLES_I2SCHAR_RX + +config EXAMPLES_I2SCHAR_BUFSIZE + int "Audio payload size" + default 256 + ---help--- + The size of the data payload in one audio buffer in bytes. Applies + to both TX and RX audio buffers. + +config EXAMPLES_I2SCHAR_DEVINIT + bool "Architecture-specific device initialization" + default 256 + depends on !NUTTX_KERNEL + ---help--- + Define if architecture-specific I2S device initialize is available. + If defined, the the platform specific code must provide a function + i2schar_devinit() that will be called each time that this test + executes. Not available in the kernel build mode. + +endif diff --git a/apps/examples/i2schar/Makefile b/apps/examples/i2schar/Makefile new file mode 100644 index 000000000..dcc51696a --- /dev/null +++ b/apps/examples/i2schar/Makefile @@ -0,0 +1,115 @@ +############################################################################ +# apps/examples/i2schar/Makefile +# +# Copyright (C) 2013 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. +# +############################################################################ + +-include $(TOPDIR)/.config +-include $(TOPDIR)/Make.defs +include $(APPDIR)/Make.defs + +# I2S character driver test + +ASRCS = +CSRCS = i2schar_main.c +ifeq ($(CONFIG_EXAMPLES_I2SCHAR_TX),y) +CSRCS += i2schar_transmitter.c +endif +ifeq ($(CONFIG_EXAMPLES_I2SCHAR_RX),y) +CSRCS += i2schar_receiver.c +endif + +AOBJS = $(ASRCS:.S=$(OBJEXT)) +COBJS = $(CSRCS:.c=$(OBJEXT)) + +SRCS = $(ASRCS) $(CSRCS) +OBJS = $(AOBJS) $(COBJS) + +ifeq ($(CONFIG_WINDOWS_NATIVE),y) + BIN = ..\..\libapps$(LIBEXT) +else +ifeq ($(WINTOOL),y) + BIN = ..\\..\\libapps$(LIBEXT) +else + BIN = ../../libapps$(LIBEXT) +endif +endif + +ROOTDEPPATH = --dep-path . + +# Touchscreen built-in application info + +APPNAME = i2schar +PRIORITY = SCHED_PRIORITY_DEFAULT +STACKSIZE = 2048 + +# Common build + +VPATH = + +all: .built +.PHONY: context clean depend distclean + +$(AOBJS): %$(OBJEXT): %.S + $(call ASSEMBLE, $<, $@) + +$(COBJS): %$(OBJEXT): %.c + $(call COMPILE, $<, $@) + +.built: $(OBJS) + $(call ARCHIVE, $(BIN), $(OBJS)) + @touch .built + +ifeq ($(CONFIG_NSH_BUILTIN_APPS),y) +$(BUILTIN_REGISTRY)$(DELIM)$(APPNAME)_main.bdat: $(DEPCONFIG) Makefile + $(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),$(APPNAME)_main) + +context: $(BUILTIN_REGISTRY)$(DELIM)$(APPNAME)_main.bdat +else +context: +endif + +.depend: Makefile $(SRCS) + @$(MKDEP) $(ROOTDEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >Make.dep + @touch $@ + +depend: .depend + +clean: + $(call DELFILE, .built) + $(call CLEAN) + +distclean: clean + $(call DELFILE, Make.dep) + $(call DELFILE, .depend) + +-include Make.dep diff --git a/apps/examples/i2schar/i2schar.h b/apps/examples/i2schar/i2schar.h new file mode 100644 index 000000000..9596f7dc4 --- /dev/null +++ b/apps/examples/i2schar/i2schar.h @@ -0,0 +1,177 @@ +/**************************************************************************** + * examples/examples/i2schar/i2schar.h + * + * Copyright (C) 2013 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 __APPS_EXAMPLES_I2SCHAR_I2SCHAR_H +#define __APPS_EXAMPLES_I2SCHAR_I2SCHAR_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <pthread.h> + +/**************************************************************************** + * Definitions + ****************************************************************************/ +/* Configuration ************************************************************/ +/* CONFIG_NSH_BUILTIN_APPS - Build the I2SCHAR test as an NSH built-in + * function. Default: Built as a standalone problem + * CONFIG_EXAMPLES_I2SCHAR_DEVPATH - The default path to the I2S character + * device. Default: /dev/i2schar0 + */ + +#ifndef CONFIG_AUDIO_I2SCHAR +# error "I2S character device support is not enabled (CONFIG_AUDIO_I2SCHAR)" +#endif + +#ifndef CONFIG_EXAMPLES_I2SCHAR_DEVPATH +# define CONFIG_EXAMPLES_I2SCHAR_DEVPATH "/dev/is2char0" +#endif + +#ifdef CONFIG_EXAMPLES_I2SCHAR_TX +# ifndef CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS +# define CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS 4 +# endif +# ifndef CONFIG_EXAMPLES_I2SCHAR_TXSTACKSIZE +# define CONFIG_EXAMPLES_I2SCHAR_TXSTACKSIZE 1536 +# endif +#else +# undef CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS +# define CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS 0 +#endif + +#ifdef CONFIG_EXAMPLES_I2SCHAR_RX +# ifndef CONFIG_EXAMPLES_I2SCHAR_RXBUFFERS +# define CONFIG_EXAMPLES_I2SCHAR_RXBUFFERS 4 +# endif +# ifndef CONFIG_EXAMPLES_I2SCHAR_RXSTACKSIZE +# define CONFIG_EXAMPLES_I2SCHAR_RXSTACKSIZE 1536 +# endif +#else +# undef CONFIG_EXAMPLES_I2SCHAR_RXBUFFERS +# define CONFIG_EXAMPLES_I2SCHAR_RXBUFFERS 0 +#endif + +#ifndef CONFIG_EXAMPLES_I2SCHAR_BUFSIZE +# efine CONFIG_EXAMPLES_I2SCHAR_BUFSIZE 256 +#endif + +/* Debug ********************************************************************/ + +#ifdef CONFIG_CPP_HAVE_VARARGS +# ifdef CONFIG_DEBUG +# define message(...) syslog(__VA_ARGS__) +# define msgflush() +# else +# define message(...) printf(__VA_ARGS__) +# define msgflush() fflush(stdout) +# endif +#else +# ifdef CONFIG_DEBUG +# define message syslog +# define msgflush() +# else +# define message printf +# define msgflush() fflush(stdout) +# endif +#endif + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +struct i2schar_state_s +{ + bool initialized; + FAR char *devpath; +#ifdef CONFIG_EXAMPLES_I2SCHAR_TX + int txcount; +#endif +#ifdef CONFIG_EXAMPLES_I2SCHAR_RX + int rxcount; +#endif +}; + +/**************************************************************************** + * Public Variables + ****************************************************************************/ + +extern struct i2schar_state_s g_i2schar; + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Name: i2schar_devinit() + * + * Description: + * Perform architecuture-specific initialization of the I2s hardware and + * registration of the I2S character driver CHAR hardware. If + * CONFIG_EXAMPLES_I2SCHAR_DEVINIT is defined, then board-specific logic + * must provide this function. + * + ****************************************************************************/ + +#ifdef CONFIG_EXAMPLES_I2SCHAR_DEVINIT +int i2schar_devinit(void); +#endif + +/**************************************************************************** + * Name: i2schar_transmitter() + * + * Description: + * This is the entry point for the transmitter thread. + * + ****************************************************************************/ + +#ifdef CONFIG_EXAMPLES_I2SCHAR_TX +pthread_addr_t i2schar_transmitter(pthread_addr_t arg); +#endif + +/**************************************************************************** + * Name: i2schar_receiver() + * + * Description: + * This is the entry point for the receiver thread. + * + ****************************************************************************/ + +#ifdef CONFIG_EXAMPLES_I2SCHAR_RX +pthread_addr_t i2schar_receiver(pthread_addr_t arg); +#endif + +#endif /* __APPS_EXAMPLES_I2SCHAR_I2SCHAR_H */ diff --git a/apps/examples/i2schar/i2schar_main.c b/apps/examples/i2schar/i2schar_main.c new file mode 100644 index 000000000..2d5df3ce9 --- /dev/null +++ b/apps/examples/i2schar/i2schar_main.c @@ -0,0 +1,344 @@ +/**************************************************************************** + * examples/i2schar/i2schar_main.c + * + * 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 + * 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <pthread.h> +#include <errno.h> +#include <debug.h> + +#include "i2schar.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +struct i2schar_state_s g_i2schar; + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: i2schar_devpath + ****************************************************************************/ + +static void i2schar_devpath(FAR struct i2schar_state_s *i2schar, + FAR const char *devpath) +{ + /* Get rid of any old device path */ + + if (i2schar->devpath) + { + free(i2schar->devpath); + } + + /* Then set-up the new device path by copying the string */ + + i2schar->devpath = strdup(devpath); +} + +/**************************************************************************** + * Name: i2schar_help + ****************************************************************************/ + +#ifdef CONFIG_NSH_BUILTIN_APPS +static void i2schar_help(FAR struct i2schar_state_s *i2schar) +{ + message("Usage: i2schar [OPTIONS]\n"); + message("\nArguments are \"sticky\". For example, once the I2C character device is\n"); + message("specified, that device will be re-used until it is changed.\n"); + message("\n\"sticky\" OPTIONS include:\n"); + message(" [-p devpath] selects the I2C character device path. " + "Default: %s Current: %s\n", + CONFIG_EXAMPLES_I2SCHAR_DEVPATH, g_i2schar.devpath ? g_i2schar.devpath : "NONE"); +#ifdef CONFIG_EXAMPLES_I2SCHAR_TX + message(" [-t count] selects the number of audio buffers to send. " + "Default: %d Current: %d\n", + CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS, i2schar->txcount); +#endif +#ifdef CONFIG_EXAMPLES_I2SCHAR_TX + message(" [-r count] selects the number of audio buffers to receive. " + "Default: %d Current: %d\n", + CONFIG_EXAMPLES_I2SCHAR_RXBUFFERS, i2schar->txcount); +#endif + message(" [-h] shows this message and exits\n"); +} +#endif + +/**************************************************************************** + * Name: arg_string + ****************************************************************************/ + +#ifdef CONFIG_NSH_BUILTIN_APPS +static int arg_string(FAR char **arg, FAR char **value) +{ + FAR char *ptr = *arg; + + if (ptr[2] == '\0') + { + *value = arg[1]; + return 2; + } + else + { + *value = &ptr[2]; + return 1; + } +} +#endif + +/**************************************************************************** + * Name: arg_decimal + ****************************************************************************/ + +#ifdef CONFIG_NSH_BUILTIN_APPS +static int arg_decimal(FAR char **arg, FAR long *value) +{ + FAR char *string; + int ret; + + ret = arg_string(arg, &string); + *value = strtol(string, NULL, 10); + return ret; +} +#endif + +/**************************************************************************** + * Name: parse_args + ****************************************************************************/ + +#ifdef CONFIG_NSH_BUILTIN_APPS +static void parse_args(FAR struct i2schar_state_s *i2schar, int argc, FAR char **argv) +{ + FAR char *ptr; + FAR char *str; + long value; + int index; + int nargs; + + for (index = 1; index < argc; ) + { + ptr = argv[index]; + if (ptr[0] != '-') + { + message("Invalid options format: %s\n", ptr); + exit(0); + } + + switch (ptr[1]) + { + case 'p': + nargs = arg_string(&argv[index], &str); + i2schar_devpath(i2schar, str); + index += nargs; + break; + + case 'r': + nargs = arg_decimal(&argv[index], &value); + if (value < 0) + { + message("Count must be non-negative: %ld\n", value); + exit(1); + } + + i2schar->rxcount = (uint32_t)value; + index += nargs; + break; + + case 't': + nargs = arg_decimal(&argv[index], &value); + if (value < 0) + { + message("Count must be non-negative: %ld\n", value); + exit(1); + } + + i2schar->txcount = (uint32_t)value; + index += nargs; + break; + + case 'h': + i2schar_help(i2schar); + exit(0); + + default: + message("Unsupported option: %s\n", ptr); + i2schar_help(i2schar); + exit(1); + } + } +} +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: i2schar_main + ****************************************************************************/ + +int i2schar_main(int argc, char *argv[]) +{ + pthread_attr_t attr; + pthread_addr_t result; +#ifdef CONFIG_EXAMPLES_I2SCHAR_TX + pthread_t transmitter; +#endif +#ifdef CONFIG_EXAMPLES_I2SCHAR_RX + pthread_t receiver; +#endif + int ret; + + /* Check if we have initialized */ + + if (!g_i2schar.initialized) + { +#ifdef CONFIG_EXAMPLES_I2SCHAR_DEVINIT + /* Initialization of the I2C character device is performed by logic + * external to this test. + */ + + message("i2schar_main: Initializing external I2C character device\n"); + ret = i2schar_devinit(); + if (ret != OK) + { + message("i2schar_main: i2schar_devinit failed: %d\n", ret); + return EXIT_FAILURE; + } +#endif + + /* Set the default values */ + + i2schar_devpath(&g_i2schar, CONFIG_EXAMPLES_I2SCHAR_DEVPATH); + +#ifdef CONFIG_EXAMPLES_I2SCHAR_TX + g_i2schar.txcount = CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS; +#else + g_i2schar.rxcount = CONFIG_EXAMPLES_I2SCHAR_RXBUFFERS; +#endif + + g_i2schar.initialized = true; + } + + /* Parse the command line */ + +#ifdef CONFIG_NSH_BUILTIN_APPS + parse_args(&g_i2schar, argc, argv); +#endif + + sched_lock(); +#ifdef CONFIG_EXAMPLES_I2SCHAR_TX + /* Start the transmitter thread */ + + message("i2schar_main: Start transmitter thread\n"); + + pthread_attr_init(&attr); + (void)pthread_attr_setstacksize(&attr, CONFIG_EXAMPLES_I2SCHAR_TXSTACKSIZE); + + ret = pthread_create(&transmitter, &attr, i2schar_transmitter, NULL); + if (ret != OK) + { + message("i2schar_main: ERROR: failed to Start transmitter thread: %d\n", ret); + return EXIT_FAILURE; + } +#endif + +#ifdef CONFIG_EXAMPLES_I2SCHAR_RX + /* Start the receiver thread */ + + message("i2schar_main: Start receiver thread\n"); + + pthread_attr_init(&attr); + (void)pthread_attr_setstacksize(&attr, CONFIG_EXAMPLES_I2SCHAR_RXSTACKSIZE); + + ret = pthread_create(&receiver, &attr, i2schar_receiver, NULL); + if (ret != OK) + { + message("i2schar_main: ERROR: failed to Start receiver thread: %d\n", ret); +#ifdef CONFIG_EXAMPLES_I2SCHAR_TX + message("i2schar_main: Waiting for the transmitter thread\n"); + (void)pthread_join(transmitter, &result); +#endif + return EXIT_FAILURE; + } +#endif + +#ifdef CONFIG_EXAMPLES_I2SCHAR_TX + message("i2schar_main: Waiting for the transmitter thread\n"); + ret = pthread_join(transmitter, &result); + if (ret != OK) + { + message("i2schar_main: ERROR: pthread_join failed: %d\n", ret); + } +#endif + +#ifdef CONFIG_EXAMPLES_I2SCHAR_RX + message("i2schar_main: Waiting for the receiver thread\n"); + ret = pthread_join(receiver, &result); + if (ret != OK) + { + message("i2schar_main: ERROR: pthread_join failed: %d\n", ret); + } +#endif + + return EXIT_SUCCESS; +} diff --git a/apps/examples/i2schar/i2schar_receiver.c b/apps/examples/i2schar/i2schar_receiver.c new file mode 100644 index 000000000..40256d571 --- /dev/null +++ b/apps/examples/i2schar/i2schar_receiver.c @@ -0,0 +1,174 @@ +/**************************************************************************** + * examples/i2schar/i2schar_receiver.c + * + * Copyright (C) 2013 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> +#include <stdio.h> +#include <fcntl.h> +#include <pthread.h> +#include <errno.h> +#include <debug.h> + +#include <nuttx/audio/audio.h> + +#include "i2schar.h" + +#ifdef CONFIG_EXAMPLES_I2SCHAR_RX + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: i2schar_receiver() + * + * Description: + * This is the entry point for the receiver thread. + * + ****************************************************************************/ + +pthread_addr_t i2schar_receiver(pthread_addr_t arg) +{ + FAR struct ap_buffer_s *apb; + struct audio_buf_desc_s desc; + int bufsize; + int nread; + int fd; + int i; + + /* Open the I2C character device */ + + fd = open(g_i2schar.devpath, O_RDONLY); + if (fd < 0) + { + int errcode = errno; + message("i2schar_receiver: ERROR: failed to open %s: %d\n", + g_i2schar.devpath, errcode); + pthread_exit(NULL); + } + + /* Loop for the requested number of times */ + + for (i = 0; i < CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS; i++) + { + /* Allocate an audio buffer of the configured size */ + + desc.numbytes = CONFIG_EXAMPLES_I2SCHAR_BUFSIZE; + desc.u.ppBuffer = &apb; + + bufsize = apb_alloc(&desc); + if (bufsize < 0) + { + message("i2schar_receiver: ERROR: failed to allocate buffer %d: %d\n", + i+1, bufsize); + close(fd); + pthread_exit(NULL); + } + + /* Then receifve into the buffer */ + + do + { + /* Flush any output before reading */ + + msgflush(); + + /* Read the buffer to the I2S character driver */ + + nread = read(fd, apb, bufsize); + if (nread < 0) + { + int errcode = errno; + if (errcode != EINTR) + { + message("i2schar_receiver: ERROR: read failed: %d\n", + errcode); + close(fd); + pthread_exit(NULL); + } + } + else if (nread != bufsize) + { + message("i2schar_receiver: ERROR: partial read: %d\n", + nread); + close(fd); + pthread_exit(NULL); + } + else + { + message("i2schar_receiver: Received buffer %d\n", i+1); + } + } + while (nread != bufsize); + + /* Make sure that the transmitter thread has a chance to run */ + + pthread_yield(); + } + + close(fd); + return NULL; +} + +#endif /* CONFIG_EXAMPLES_I2SCHAR_RX */ diff --git a/apps/examples/i2schar/i2schar_transmitter.c b/apps/examples/i2schar/i2schar_transmitter.c new file mode 100644 index 000000000..96717d2d0 --- /dev/null +++ b/apps/examples/i2schar/i2schar_transmitter.c @@ -0,0 +1,184 @@ +/**************************************************************************** + * examples/i2schar/i2schar_transmitter.c + * + * Copyright (C) 2013 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/types.h> +#include <stdio.h> +#include <fcntl.h> +#include <pthread.h> +#include <errno.h> +#include <debug.h> + +#include <nuttx/audio/audio.h> + +#include "i2schar.h" + +#ifdef CONFIG_EXAMPLES_I2SCHAR_TX + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Private Types + ****************************************************************************/ + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: i2schar_transmitter() + * + * Description: + * This is the entry point for the transmitter thread. + * + ****************************************************************************/ + +pthread_addr_t i2schar_transmitter(pthread_addr_t arg) +{ + FAR struct ap_buffer_s *apb; + struct audio_buf_desc_s desc; + uint8_t crap; + uint8_t *ptr; + int bufsize; + int nwritten; + int fd; + int i; + int j; + + /* Open the I2C character device */ + + fd = open(g_i2schar.devpath, O_WRONLY); + if (fd < 0) + { + int errcode = errno; + message("i2schar_transmitter: ERROR: failed to open %s: %d\n", + g_i2schar.devpath, errcode); + pthread_exit(NULL); + } + + /* Loop for the requested number of times */ + + for (i = 0, crap = 0; i < CONFIG_EXAMPLES_I2SCHAR_TXBUFFERS; i++) + { + /* Allocate an audio buffer of the configured size */ + + desc.numbytes = CONFIG_EXAMPLES_I2SCHAR_BUFSIZE; + desc.u.ppBuffer = &apb; + + bufsize = apb_alloc(&desc); + if (bufsize < 0) + { + message("i2schar_transmitter: ERROR: failed to allocate buffer %d: %d\n", + i+1, bufsize); + close(fd); + pthread_exit(NULL); + } + + /* Fill the audio buffer with crap */ + + for (j = 0, ptr = apb->samp; j < CONFIG_EXAMPLES_I2SCHAR_BUFSIZE; j++) + { + *ptr++ = crap++; + } + + /* Then send the buffer */ + + do + { + /* Flush any output before writing */ + + msgflush(); + + /* Write the buffer to the I2S character driver */ + + nwritten = write(fd, apb, bufsize); + if (nwritten < 0) + { + int errcode = errno; + if (errcode != EINTR) + { + message("i2schar_transmitter: ERROR: write failed: %d\n", + errcode); + close(fd); + pthread_exit(NULL); + } + } + else if (nwritten != bufsize) + { + message("i2schar_transmitter: ERROR: partial write: %d\n", + nwritten); + close(fd); + pthread_exit(NULL); + } + else + { + message("i2schar_transmitter: Send buffer %d\n", i+1); + } + } + while (nwritten != bufsize); + + /* Make sure that the receiver thread has a chance to run */ + + pthread_yield(); + } + + close(fd); + return NULL; +} + +#endif /* CONFIG_EXAMPLES_I2SCHAR_TX */ |