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Diffstat (limited to 'nuttx/arch/arm/src/lpc17xx/lpc17_internal.h')
| -rwxr-xr-x | nuttx/arch/arm/src/lpc17xx/lpc17_internal.h | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/nuttx/arch/arm/src/lpc17xx/lpc17_internal.h b/nuttx/arch/arm/src/lpc17xx/lpc17_internal.h new file mode 100755 index 000000000..13807509f --- /dev/null +++ b/nuttx/arch/arm/src/lpc17xx/lpc17_internal.h @@ -0,0 +1,219 @@ +/************************************************************************************ + * arch/arm/src/lpc17xx/lpc17_internal.h + * + * Copyright (C) 2009-2010 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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 __ARCH_ARM_SRC_LPC17XX_LPC17_INTERNAL_H +#define __ARCH_ARM_SRC_LPC17XX_LPC17_INTERNAL_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/compiler.h> + +#include <sys/types.h> +#include <stdint.h> +#include <stdbool.h> + +#include "up_internal.h" +#include "chip.h" + +/************************************************************************************ + * Definitions + ************************************************************************************/ + +/* Configuration ********************************************************************/ + +/* Bit-encoded input to lpc17_configgpio() ******************************************/ + +/* GPIO pin definitions *************************************************************/ + +/************************************************************************************ + * Public Types + ************************************************************************************/ + +/************************************************************************************ + * Inline Functions + ************************************************************************************/ + +#ifndef __ASSEMBLY__ + +/************************************************************************************ + * Public Data + ************************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/************************************************************************************ + * Public Function Prototypes + ************************************************************************************/ + +/************************************************************************************ + * Name: lpc17_clockconfig + * + * Description: + * Called to initialize the LPC17XX. This does whatever setup is needed to put the + * MCU in a usable state. This includes the initialization of clocking using the + * settings in board.h. + * + ************************************************************************************/ + +EXTERN void lpc17_clockconfig(void); + +/************************************************************************************ + * Name: lpc17_lowsetup + * + * Description: + * Called at the very beginning of _start. Performs low level initialization + * including setup of the console UART. This UART done early so that the serial + * console is available for debugging very early in the boot sequence. + * + ************************************************************************************/ + +EXTERN void lpc17_lowsetup(void); + +/************************************************************************************ + * Name: lpc17_gpioirqinitialize + * + * Description: + * Initialize logic to support a second level of interrupt decoding for GPIO pins. + * + ************************************************************************************/ + +#ifdef CONFIG_GPIO_IRQ +EXTERN void lpc17_gpioirqinitialize(void); +#else +# define lpc17_gpioirqinitialize() +#endif + +/************************************************************************************ + * Name: lpc17_configgpio + * + * Description: + * Configure a GPIO pin based on bit-encoded description of the pin. + * + ************************************************************************************/ + +EXTERN int lpc17_configgpio(uint16_t cfgset); + +/************************************************************************************ + * Name: lpc17_gpiowrite + * + * Description: + * Write one or zero to the selected GPIO pin + * + ************************************************************************************/ + +EXTERN void lpc17_gpiowrite(uint16_t pinset, bool value); + +/************************************************************************************ + * Name: lpc17_gpioread + * + * Description: + * Read one or zero from the selected GPIO pin + * + ************************************************************************************/ + +EXTERN bool lpc17_gpioread(uint16_t pinset); + +/************************************************************************************ + * Name: lpc17_gpioirq + * + * Description: + * Configure an interrupt for the specified GPIO pin. + * + ************************************************************************************/ + +#ifdef CONFIG_GPIO_IRQ +EXTERN void lpc17_gpioirq(uint16_t pinset); +#else +# define lpc17_gpioirq(pinset) +#endif + +/************************************************************************************ + * Name: lpc17_gpioirqenable + * + * Description: + * Enable the interrupt for specified GPIO IRQ + * + ************************************************************************************/ + +#ifdef CONFIG_GPIO_IRQ +EXTERN void lpc17_gpioirqenable(int irq); +#else +# define lpc17_gpioirqenable(irq) +#endif + +/************************************************************************************ + * Name: lpc17_gpioirqdisable + * + * Description: + * Disable the interrupt for specified GPIO IRQ + * + ************************************************************************************/ + +#ifdef CONFIG_GPIO_IRQ +EXTERN void lpc17_gpioirqdisable(int irq); +#else +# define lpc17_gpioirqdisable(irq) +#endif + +/************************************************************************************ + * Function: lpc17_dumpgpio + * + * Description: + * Dump all GPIO registers associated with the base address of the provided pinset. + * + ************************************************************************************/ + +#ifdef CONFIG_DEBUG_GPIO +EXTERN int lpc17_dumpgpio(uint32_t pinset, const char *msg); +#else +# define lpc17_dumpgpio(p,m) +#endif + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __ASSEMBLY__ */ +#endif /* __ARCH_ARM_SRC_LPC17XX_LPC17_INTERNAL_H */ |