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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

Diff: targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/gpio_irq_api.c

Revision:
331:098575c6d2c8
Parent:
285:31249416b6f9
Child:
402:09075a3b15e3
--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/gpio_irq_api.c	Tue Sep 23 10:30:11 2014 +0100
+++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_L053R8/gpio_irq_api.c	Wed Sep 24 13:15:06 2014 +0100
@@ -143,14 +143,12 @@
     obj->event = EDGE_NONE;
 }
 
-void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable) {
-    uint32_t mode = STM_MODE_INPUT;
+void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
+{
+    uint32_t mode = STM_MODE_IT_EVT_RESET;
     uint32_t pull = GPIO_NOPULL;
 
     if (enable) {
-
-        pull = GPIO_NOPULL;
-
         if (event == IRQ_RISE) {
             if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) {
                 mode = STM_MODE_IT_RISING_FALLING;
@@ -160,7 +158,6 @@
                 obj->event = EDGE_RISE;
             }
         }
-
         if (event == IRQ_FALL) {
             if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
                 mode = STM_MODE_IT_RISING_FALLING;
@@ -170,10 +167,25 @@
                 obj->event = EDGE_FALL;
             }
         }
-    } else {
-        mode = STM_MODE_INPUT;
-        pull = GPIO_NOPULL;
-        obj->event = EDGE_NONE;
+    } else { // Disable
+        if (event == IRQ_RISE) {
+            if ((obj->event == EDGE_FALL) || (obj->event == EDGE_BOTH)) {
+                mode = STM_MODE_IT_FALLING;
+                obj->event = EDGE_FALL;
+            } else { // NONE or RISE
+                mode = STM_MODE_IT_EVT_RESET;
+                obj->event = EDGE_NONE;
+            }
+        }
+        if (event == IRQ_FALL) {
+            if ((obj->event == EDGE_RISE) || (obj->event == EDGE_BOTH)) {
+                mode = STM_MODE_IT_RISING;
+                obj->event = EDGE_RISE;
+            } else { // NONE or FALL
+                mode = STM_MODE_IT_EVT_RESET;
+                obj->event = EDGE_NONE;
+            }
+        }
     }
 
     pin_function(obj->pin, STM_PIN_DATA(mode, pull, 0));