From fd5b02f014799380671ce4d000055b4b1df60109 Mon Sep 17 00:00:00 2001
From: bcostm <bco.stm@gmail.com>
Date: Mon, 22 Sep 2014 10:03:50 +0200
Subject: [PATCH] [NUCLEO_F302R8] Fix issue with MBED_A7 test

Add new STM_MODE_IT_EVT_RESET GPIO mode.
---
 .../targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/PinNames.h  | 1 +
 .../hal/TARGET_STM/TARGET_NUCLEO_F302R8/gpio_irq_api.c      | 6 +++---
 .../targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/pinmap.c    | 5 +++--
 3 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/PinNames.h b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/PinNames.h
index 84576d7f88..996db9345d 100644
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/PinNames.h
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/PinNames.h
@@ -53,6 +53,7 @@ extern "C" {
 #define STM_MODE_EVT_RISING         (9)
 #define STM_MODE_EVT_FALLING        (10)
 #define STM_MODE_EVT_RISING_FALLING (11)
+#define STM_MODE_IT_EVT_RESET       (12)
 
 // High nibble = port number (0=A, 1=B, 2=C, 3=D, 4=E, 5=F, 6=G, 7=H)
 // Low nibble  = pin number
diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/gpio_irq_api.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/gpio_irq_api.c
index 990f3baa05..a32e1f5f02 100644
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/gpio_irq_api.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/gpio_irq_api.c
@@ -204,7 +204,7 @@ void gpio_irq_free(gpio_irq_t *obj)
 
 void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
 {
-    uint32_t mode = STM_MODE_INPUT;
+    uint32_t mode = STM_MODE_IT_EVT_RESET;
     uint32_t pull = GPIO_NOPULL;
 
     if (enable) {
@@ -232,7 +232,7 @@ void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
                 mode = STM_MODE_IT_FALLING;
                 obj->event = EDGE_FALL;
             } else { // NONE or RISE
-                mode = STM_MODE_INPUT;
+                mode = STM_MODE_IT_EVT_RESET;
                 obj->event = EDGE_NONE;
             }
         }
@@ -241,7 +241,7 @@ void gpio_irq_set(gpio_irq_t *obj, gpio_irq_event event, uint32_t enable)
                 mode = STM_MODE_IT_RISING;
                 obj->event = EDGE_RISE;
             } else { // NONE or FALL
-                mode = STM_MODE_INPUT;
+                mode = STM_MODE_IT_EVT_RESET;
                 obj->event = EDGE_NONE;
             }
         }
diff --git a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/pinmap.c b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/pinmap.c
index 5daa0d9ce0..0070028644 100644
--- a/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/pinmap.c
+++ b/libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F302R8/pinmap.c
@@ -33,7 +33,7 @@
 #include "mbed_error.h"
 
 // GPIO mode look-up table
-static const uint32_t gpio_mode[12] = {
+static const uint32_t gpio_mode[13] = {
     0x00000000, //  0 = GPIO_MODE_INPUT
     0x00000001, //  1 = GPIO_MODE_OUTPUT_PP
     0x00000011, //  2 = GPIO_MODE_OUTPUT_OD
@@ -45,7 +45,8 @@ static const uint32_t gpio_mode[12] = {
     0x10310000, //  8 = GPIO_MODE_IT_RISING_FALLING
     0x10120000, //  9 = GPIO_MODE_EVT_RISING
     0x10220000, // 10 = GPIO_MODE_EVT_FALLING
-    0x10320000  // 11 = GPIO_MODE_EVT_RISING_FALLING
+    0x10320000, // 11 = GPIO_MODE_EVT_RISING_FALLING
+    0x10000000  // 12 = Reset IT and EVT (not in STM32Cube HAL)
 };
 
 // Enable GPIO clock and return GPIO base address