Diff: targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/i2c_api.c

Revision:

115:4f0cb9cdc478

Parent:

88:81f18c97d490

Child:

125:23cc3068a9e4

--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/i2c_api.c	Mon Mar 10 13:45:07 2014 +0000
+++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F401RE/i2c_api.c	Tue Mar 11 12:00:07 2014 +0000
@@ -44,11 +44,15 @@
 
 static const PinMap PinMap_I2C_SDA[] = {
     {PB_9,  I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+    {PB_3,  I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF9_I2C2)},
+    {PB_4,  I2C_3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF9_I2C3)},
     {NC,    NC,    0}
 };
 
 static const PinMap PinMap_I2C_SCL[] = {
     {PB_8,  I2C_1, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C1)},
+    {PB_10, I2C_2, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C2)},
+    {PA_8,  I2C_3, STM_PIN_DATA(STM_MODE_AF_OD, GPIO_NOPULL, GPIO_AF4_I2C3)},
     {NC,    NC,    0}
 };
 
@@ -69,6 +73,13 @@
     if (obj->i2c == I2C_1) {    
         __I2C1_CLK_ENABLE();
     }
+    if (obj->i2c == I2C_2) {
+        __I2C2_CLK_ENABLE();
+    }
+
+    if (obj->i2c == I2C_3) {
+        __I2C3_CLK_ENABLE();
+    }
 
     // Configure I2C pins
     pinmap_pinout(sda, PinMap_I2C_SDA);
@@ -207,6 +218,14 @@
         __I2C1_FORCE_RESET();
         __I2C1_RELEASE_RESET();
     }
+    if (obj->i2c == I2C_2) {
+        __I2C2_FORCE_RESET();
+        __I2C2_RELEASE_RESET();
+    }
+    if (obj->i2c == I2C_3) {
+        __I2C3_FORCE_RESET();
+        __I2C3_RELEASE_RESET();
+    }
 }
 
 #if DEVICE_I2CSLAVE