Diff: targets/hal/TARGET_Freescale/TARGET_KLXX/TARGET_KL25Z/gpio_irq_api.c

Revision:

86:26fc69fd3b6c

Parent:

82:0b31dbcd4769

Child:

113:65a335a675de

--- a/targets/hal/TARGET_Freescale/TARGET_KLXX/TARGET_KL25Z/gpio_irq_api.c	Fri Feb 07 18:00:11 2014 +0000
+++ b/targets/hal/TARGET_Freescale/TARGET_KLXX/TARGET_KL25Z/gpio_irq_api.c	Sat Feb 08 12:00:07 2014 +0000
@@ -37,7 +37,9 @@
         if (port->ISFR & pmask) {
             mask |= pmask;
             uint32_t id = channel_ids[ch_base + i];
-            if (id == 0) continue;
+            if (id == 0) {
+                continue;
+            }
 
             FGPIO_Type *gpio;
             gpio_irq_event event = IRQ_NONE;
@@ -55,8 +57,9 @@
                     event = (gpio->PDIR & pmask) ? (IRQ_RISE) : (IRQ_FALL);
                     break;
             }
-            if (event != IRQ_NONE)
+            if (event != IRQ_NONE) {
                 irq_handler(id, event);
+            }
         }
     }
     port->ISFR = mask;
@@ -159,3 +162,13 @@
         NVIC_DisableIRQ(PORTD_IRQn);
     }
 }
+
+// Change the NMI pin to an input. This allows NMI pin to 
+//  be used as a low power mode wakeup.  The application will
+//  need to change the pin back to NMI_b or wakeup only occurs once!
+extern void gpio_init(gpio_t *obj, PinName pin, PinDirection direction);
+void NMI_Handler(void)
+{
+    gpio_t gpio;
+    gpio_init(&gpio, PTA4, PIN_INPUT);
+}