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gpio: change to argument struct to const.

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I had hoped this would also shrink the memory usage by letting the
compiler put the incoming struct into flash, but it's already doing
that.

Signed-off-by: Michael Hope <mlhx@google.com>
This commit is contained in:
Michael Hope 2015-05-22 05:25:53 +02:00
commit 01276ca47b
3 changed files with 3 additions and 3 deletions
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2
src/main/drivers/gpio.h
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@ -113,6 +113,6 @@ static inline void digitalToggle(GPIO_TypeDef *p, uint16_t i) { p->ODR ^= i; }
static inline uint16_t digitalIn(GPIO_TypeDef *p, uint16_t i) {return p->IDR & i; }
#endif
void gpioInit(GPIO_TypeDef *gpio, gpio_config_t *config);
void gpioInit(GPIO_TypeDef *gpio, const gpio_config_t *config);
void gpioExtiLineConfig(uint8_t portsrc, uint8_t pinsrc);
void gpioPinRemapConfig(uint32_t remap, bool enable);

2
src/main/drivers/gpio_stm32f10x.c
View file

@ -22,7 +22,7 @@
#include "gpio.h"
void gpioInit(GPIO_TypeDef *gpio, gpio_config_t *config)
void gpioInit(GPIO_TypeDef *gpio, const gpio_config_t *config)
{
uint32_t pinpos;
for (pinpos = 0; pinpos < 16; pinpos++) {

2
src/main/drivers/gpio_stm32f30x.c
View file

@ -36,7 +36,7 @@
//#define GPIO_Speed_2MHz GPIO_Speed_Level_2 Medium Speed:2MHz
//#define GPIO_Speed_50MHz GPIO_Speed_Level_3 High Speed:50MHz
void gpioInit(GPIO_TypeDef *gpio, gpio_config_t *config)
void gpioInit(GPIO_TypeDef *gpio, const gpio_config_t *config)
{
GPIO_InitTypeDef GPIO_InitStructure;