Diff: targets/TARGET_WIZNET/TARGET_W7500x/gpio_irq_api.c

Revision:

165:e614a9f1c9e2

Parent:

149:156823d33999

diff -r 289d4deac6e4 -r e614a9f1c9e2 targets/TARGET_WIZNET/TARGET_W7500x/gpio_irq_api.c
--- a/targets/TARGET_WIZNET/TARGET_W7500x/gpio_irq_api.c	Wed May 10 12:06:41 2017 +0100
+++ b/targets/TARGET_WIZNET/TARGET_W7500x/gpio_irq_api.c	Fri May 26 12:39:01 2017 +0100
@@ -43,6 +43,7 @@
 
 static uint32_t channel_ids[4][16];
 
+
 #ifdef __cplusplus
 extern "C"{
 #endif
@@ -50,6 +51,7 @@
  
 void PORT0_Handler(void)
 {
+    NVIC_ClearPendingIRQ(PORT0_IRQn);
     port_generic_handler(GPIOA, 0);
 }
 
@@ -99,6 +101,8 @@
     obj->pin_num = WIZ_PIN_NUM(pin);
     obj->pin_index  = WIZ_PIN_INDEX(pin);
     
+    //gpio_irq_disable(obj);
+
     if (pin == NC) return -1;
     
     if(obj->port_num == 0)
@@ -110,10 +114,11 @@
     else
         obj->irq_n = PORT3_IRQn;
     
-    //obj->event = EDGE_FALL;
     obj->pin = pin;
-    
+    obj->event = EDGE_NONE;
+
     // Enable EXTI interrupt    
+    NVIC_ClearPendingIRQ(obj->irq_n);
     NVIC_EnableIRQ(obj->irq_n);
 
     channel_ids[obj->port_num][obj->pin_num] = id;
@@ -141,10 +146,13 @@
             obj->rise_null = 0;
         }
         else if (event == IRQ_FALL) {
-            gpio->INTPOLSET &= ~obj->pin_index;
+            gpio->INTPOLCLR |= obj->pin_index;
             obj->event = EDGE_FALL;
             obj->fall_null = 0;
         }
+
+    
+        gpio->INTENCLR |= obj->pin_index;
         gpio->INTTYPESET |= obj->pin_index;
         gpio->INTENSET |= obj->pin_index;