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Added initialization function to the I/O port low level driver. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1014 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio 2009-06-02 10:42:49 +00:00
parent 10ff25a6d3
commit 8020fc3d67
3 changed files with 19 additions and 1 deletions
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2
demos/ARMCM3-STM32F103-GCC/board.c
View File

@ -61,7 +61,7 @@ void hwinit0(void) {
/*
* I/O ports initialization as specified in board.h.
*/
RCC->APB2ENR = 0x0000003D; // Ports A-D enabled, AFIO enabled.
ioport_init();
GPIOA->CRL = VAL_GPIOACRL;
GPIOA->CRH = VAL_GPIOACRH;
GPIOA->ODR = VAL_GPIOAODR;

10
ports/ARMCM3-STM32F103/ioports_lld.h
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@ -107,6 +107,16 @@ typedef GPIO_TypeDef * ioportid_t;
/* functions, please put them in a file named ioports_lld.c if so. */
/*===========================================================================*/
/**
* @brief GPIO ports subsystem initialization.
* @details Ports A-D enabled, AFIO enabled.
*/
#define ioport_init() { \
RCC->APB2ENR |= RCC_APB2ENR_AFIOEN | RCC_APB2ENR_IOPAEN | \
RCC_APB2ENR_IOPBEN | RCC_APB2ENR_IOPCEN | \
RCC_APB2ENR_IOPDEN; \
}
/**
* @brief Writes a bits mask on a I/O port.
*

8
src/templates/ioports_lld.h
View File

@ -65,6 +65,14 @@ typedef uint32_t ioportid_t;
/* functions, please put them in a file named ioports_lld.c if so. */
/*===========================================================================*/
/**
* @brief I/O ports subsystem initialization.
*
* @note This function is not invoked by a system API, it should be invoked
* from the system initialization code.
*/
#define ioport_init()
/**
* @brief Writes a bits mask on a I/O port.
*