Diff: targets/TARGET_STM/i2c_api.c

Revision:

181:96ed750bd169

Parent:

178:d650f5d4c87a

--- a/targets/TARGET_STM/i2c_api.c	Thu Dec 07 14:01:42 2017 +0000
+++ b/targets/TARGET_STM/i2c_api.c	Wed Jan 17 15:23:54 2018 +0000
@@ -274,10 +274,6 @@
         obj_s->index = 0;
         __HAL_RCC_I2C1_CLK_ENABLE();
         // Configure I2C pins
-        pinmap_pinout(sda, PinMap_I2C_SDA);
-        pinmap_pinout(scl, PinMap_I2C_SCL);
-        pin_mode(sda, OpenDrainPullUp);
-        pin_mode(scl, OpenDrainPullUp);
         obj_s->event_i2cIRQ = I2C1_EV_IRQn;
         obj_s->error_i2cIRQ = I2C1_ER_IRQn;
     }
@@ -287,11 +283,6 @@
     if (obj_s->i2c == I2C_2) {
         obj_s->index = 1;
         __HAL_RCC_I2C2_CLK_ENABLE();
-        // Configure I2C pins
-        pinmap_pinout(sda, PinMap_I2C_SDA);
-        pinmap_pinout(scl, PinMap_I2C_SCL);
-        pin_mode(sda, OpenDrainPullUp);
-        pin_mode(scl, OpenDrainPullUp);
         obj_s->event_i2cIRQ = I2C2_EV_IRQn;
         obj_s->error_i2cIRQ = I2C2_ER_IRQn;
     }
@@ -301,11 +292,6 @@
     if (obj_s->i2c == I2C_3) {
         obj_s->index = 2;
         __HAL_RCC_I2C3_CLK_ENABLE();
-        // Configure I2C pins
-        pinmap_pinout(sda, PinMap_I2C_SDA);
-        pinmap_pinout(scl, PinMap_I2C_SCL);
-        pin_mode(sda, OpenDrainPullUp);
-        pin_mode(scl, OpenDrainPullUp);
         obj_s->event_i2cIRQ = I2C3_EV_IRQn;
         obj_s->error_i2cIRQ = I2C3_ER_IRQn;
     }
@@ -315,11 +301,6 @@
     if (obj_s->i2c == I2C_4) {
         obj_s->index = 3;
         __HAL_RCC_I2C4_CLK_ENABLE();
-        // Configure I2C pins
-        pinmap_pinout(sda, PinMap_I2C_SDA);
-        pinmap_pinout(scl, PinMap_I2C_SCL);
-        pin_mode(sda, OpenDrainPullUp);
-        pin_mode(scl, OpenDrainPullUp);
         obj_s->event_i2cIRQ = I2C4_EV_IRQn;
         obj_s->error_i2cIRQ = I2C4_ER_IRQn;
     }
@@ -329,16 +310,17 @@
     if (obj_s->i2c == FMPI2C_1) {
         obj_s->index = 4;
         __HAL_RCC_FMPI2C1_CLK_ENABLE();
-        // Configure I2C pins
-        pinmap_pinout(sda, PinMap_I2C_SDA);
-        pinmap_pinout(scl, PinMap_I2C_SCL);
-        pin_mode(sda, OpenDrainPullUp);
-        pin_mode(scl, OpenDrainPullUp);
         obj_s->event_i2cIRQ = FMPI2C1_EV_IRQn;
         obj_s->error_i2cIRQ = FMPI2C1_ER_IRQn;
     }
 #endif
 
+    // Configure I2C pins
+    pinmap_pinout(sda, PinMap_I2C_SDA);
+    pinmap_pinout(scl, PinMap_I2C_SCL);
+    pin_mode(sda, OpenDrainNoPull);
+    pin_mode(scl, OpenDrainNoPull);
+
     // I2C configuration
     // Default hz value used for timeout computation
     if(!obj_s->hz)
@@ -431,7 +413,7 @@
 
 #ifdef I2C_ANALOGFILTER_ENABLE
     /* Enable the Analog I2C Filter */
-    HAL_I2CEx_AnalogFilter_Config(handle,I2C_ANALOGFILTER_ENABLE);
+    HAL_I2CEx_ConfigAnalogFilter(handle,I2C_ANALOGFILTER_ENABLE);
 #endif
 
     // I2C configuration