Diff: targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/pinmap.c

Revision:

227:7bd0639b8911

Parent:

172:2f4f8c56b261

Child:

250:a49055e7a707

--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/pinmap.c	Wed Jun 11 09:45:09 2014 +0100
+++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/pinmap.c	Wed Jun 11 16:00:09 2014 +0100
@@ -27,6 +27,7 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *******************************************************************************
  */
+#include "mbed_assert.h"
 #include "pinmap.h"
 #include "PortNames.h"
 #include "error.h"
@@ -82,8 +83,7 @@
  * Configure pin (mode, speed, output type and pull-up/pull-down)
  */
 void pin_function(PinName pin, int data) {
-    if (pin == NC) return;
-
+    MBED_ASSERT(pin != (PinName)NC);
     // Get the pin informations
     uint32_t mode  = STM_PIN_MODE(data);
     uint32_t pupd  = STM_PIN_PUPD(data);
@@ -119,8 +119,7 @@
  * Configure pin pull-up/pull-down
  */
 void pin_mode(PinName pin, PinMode mode) {
-    if (pin == NC) return;
-
+    MBED_ASSERT(pin != (PinName)NC);
     uint32_t port_index = STM_PORT(pin);
     uint32_t pin_index  = STM_PIN(pin);
 
@@ -130,7 +129,8 @@
 
     // Configure pull-up/pull-down resistors
     uint32_t pupd = (uint32_t)mode;
-    if (pupd > 2) pupd = 0; // Open-drain = No pull-up/No pull-down
+    if (pupd > 2)
+        pupd = 0; // Open-drain = No pull-up/No pull-down
     gpio->PUPDR &= (uint32_t)(~(GPIO_PUPDR_PUPDR0 << (pin_index * 2)));
     gpio->PUPDR |= (uint32_t)(pupd << (pin_index * 2));