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Diff: targets/hal/TARGET_STM/TARGET_DISCO_F303VC/gpio_api.c
- Revision:
- 403:91a4bea587f4
- Parent:
- 285:31249416b6f9
--- a/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/gpio_api.c Fri Nov 14 09:00:07 2014 +0000 +++ b/targets/hal/TARGET_STM/TARGET_DISCO_F303VC/gpio_api.c Fri Nov 14 09:15:08 2014 +0000 @@ -34,17 +34,21 @@ extern uint32_t Set_GPIO_Clock(uint32_t port_idx); -uint32_t gpio_set(PinName pin) { +uint32_t gpio_set(PinName pin) +{ MBED_ASSERT(pin != (PinName)NC); - pin_function(pin, STM_PIN_DATA(GPIO_Mode_IN, 0, GPIO_PuPd_NOPULL, 0xFF)); + pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); + return (uint32_t)(1 << ((uint32_t)pin & 0xF)); // Return the pin mask } -void gpio_init(gpio_t *obj, PinName pin) { +void gpio_init(gpio_t *obj, PinName pin) +{ obj->pin = pin; - if (pin == (PinName)NC) + if (pin == (PinName)NC) { return; + } uint32_t port_index = STM_PORT(pin); @@ -55,19 +59,21 @@ // Fill GPIO object structure for future use obj->mask = gpio_set(pin); obj->reg_in = &gpio->IDR; - obj->reg_set = &gpio->BSRR; - obj->reg_clr = &gpio->BRR; + obj->reg_set = &gpio->BSRRL; + obj->reg_clr = &gpio->BSRRH; } -void gpio_mode(gpio_t *obj, PinMode mode) { +void gpio_mode(gpio_t *obj, PinMode mode) +{ pin_mode(obj->pin, mode); } -void gpio_dir(gpio_t *obj, PinDirection direction) { +void gpio_dir(gpio_t *obj, PinDirection direction) +{ MBED_ASSERT(obj->pin != (PinName)NC); if (direction == PIN_OUTPUT) { - pin_function(obj->pin, STM_PIN_DATA(GPIO_Mode_OUT, GPIO_OType_PP, GPIO_PuPd_NOPULL, 0xFF)); + pin_function(obj->pin, STM_PIN_DATA(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); } else { // PIN_INPUT - pin_function(obj->pin, STM_PIN_DATA(GPIO_Mode_IN, 0, GPIO_PuPd_NOPULL, 0xFF)); + pin_function(obj->pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); } }