Diff: targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/i2c_api.c

Revision:

208:4557f4bb2dd5

Parent:

181:a4cbdfbbd2f4

Child:

227:7bd0639b8911

--- a/targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/i2c_api.c	Fri May 23 08:45:06 2014 +0100
+++ b/targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/i2c_api.c	Fri May 23 10:30:07 2014 +0100
@@ -181,7 +181,7 @@
     I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
     int timeout;
     int count;
-  
+
     i2c_start(obj);
 
     // Send slave address for write
@@ -245,7 +245,7 @@
     I2C_SendData(i2c, (uint8_t)data);
 
     // Wait until the byte is transmitted
-    timeout = FLAG_TIMEOUT;  
+    timeout = FLAG_TIMEOUT;
     while ((I2C_GetFlagStatus(i2c, I2C_FLAG_TXE) == RESET) &&
             (I2C_GetFlagStatus(i2c, I2C_FLAG_BTF) == RESET)) {
         timeout--;
@@ -299,10 +299,9 @@
     uint32_t event;
     I2C_TypeDef *i2c = (I2C_TypeDef *)(obj->i2c);
 
-    event = I2C_GetLastEvent( i2c );
-    if(event != 0)
-    {
-        switch(event){
+    event = I2C_GetLastEvent(i2c);
+    if (event != 0) {
+        switch (event) {
             case I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED:
                 retValue = WriteAddressed;
                 break;
@@ -317,24 +316,24 @@
                 break;
         }
 
-        // clear ADDR 
-        if((retValue == WriteAddressed) || (retValue == ReadAddressed)){
+        // clear ADDR
+        if ((retValue == WriteAddressed) || (retValue == ReadAddressed)) {
             // read SR to clear ADDR flag
             i2c->SR1;
             i2c->SR2;
         }
         // clear stopf
-        if(I2C_GetFlagStatus(i2c, I2C_FLAG_STOPF) == SET) {
+        if (I2C_GetFlagStatus(i2c, I2C_FLAG_STOPF) == SET) {
             // read SR1 and write CR1 to clear STOP flag
             i2c->SR1;
-            I2C_Cmd(i2c,  ENABLE);    
+            I2C_Cmd(i2c,  ENABLE);
         }
         // clear AF
-        if(I2C_GetFlagStatus(i2c, I2C_FLAG_AF) == SET) {
+        if (I2C_GetFlagStatus(i2c, I2C_FLAG_AF) == SET) {
             I2C_ClearFlag(i2c, I2C_FLAG_AF);
-        }        
+        }
     }
-    return(retValue);
+    return (retValue);
 }
 
 int i2c_slave_read(i2c_t *obj, char *data, int length) {