mbed library sources
Dependents: frdm_kl05z_gpio_test
Fork of mbed-src by
Diff: targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/gpio_api.c
- Revision:
- 239:8cadf13dff33
- Parent:
- 219:993c9b0acbcc
- Child:
- 250:a49055e7a707
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/gpio_api.c Thu Jun 26 09:00:08 2014 +0100 +++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F072RB/gpio_api.c Thu Jun 26 09:15:07 2014 +0100 @@ -27,6 +27,7 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. ******************************************************************************* */ +#include "mbed_assert.h" #include "gpio_api.h" #include "pinmap.h" #include "error.h" @@ -34,7 +35,7 @@ extern uint32_t Set_GPIO_Clock(uint32_t port_idx); uint32_t gpio_set(PinName pin) { - if (pin == NC) return 0; + MBED_ASSERT(pin != (PinName)NC); pin_function(pin, STM_PIN_DATA(STM_MODE_INPUT, GPIO_NOPULL, 0)); @@ -42,7 +43,10 @@ } void gpio_init(gpio_t *obj, PinName pin) { - if (pin == NC) return; + obj->pin = pin; + if (pin == (PinName)NC) { + return; + } uint32_t port_index = STM_PORT(pin); @@ -51,7 +55,6 @@ GPIO_TypeDef *gpio = (GPIO_TypeDef *)gpio_add; // Fill GPIO object structure for future use - obj->pin = pin; obj->mask = gpio_set(pin); obj->reg_in = &gpio->IDR; obj->reg_set = &gpio->BSRRL; @@ -63,6 +66,7 @@ } 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(STM_MODE_OUTPUT_PP, GPIO_NOPULL, 0)); } else { // PIN_INPUT