fixed two bugs to drv_gpio.c

2018-06-28 20:14:12 +08:00 · 2018-06-28 20:14:12 +08:00 · 4a915c33c4
parent 614b2e389c
commit 4a915c33c4
1 changed files with 2 additions and 2 deletions
--- a/bsp/stm32f4xx-HAL/drivers/drv_gpio.c
+++ b/bsp/stm32f4xx-HAL/drivers/drv_gpio.c
@ -32,7 +32,7 @@

 static GPIO_TypeDef * get_st_gpio(rt_uint16_t gpio_pin)
 {
-    switch(gpio_pin >> 8)
+    switch(gpio_pin & 0xFF00)
    {
    case A:
        #ifdef GPIOA
@ -87,7 +87,7 @@ static GPIO_TypeDef * get_st_gpio(rt_uint16_t gpio_pin)

 static void drv_clock_enable(rt_uint16_t gpio_pin)
 {
-    switch(gpio_pin >> 8)
+    switch(gpio_pin & 0xFF00)
    {
    case A:
        #ifdef __HAL_RCC_GPIOA_CLK_ENABLE