cchange file name drv_iic to drv_i2c

bsp/stm32f429-apollo/drivers/SConscript

@@ -21,7 +21,7 @@ if GetDepend('RT_USING_MTD_NAND'):
 
 # add Ethernet drivers.
 if GetDepend('RT_USING_LWIP'):
-    src += ['drv_eth.c', 'drv_iic.c', 'drv_pcf8574.c']
+    src += ['drv_eth.c', 'drv_i2c.c', 'drv_pcf8574.c']
 
 # add gpio drivers.
 if GetDepend('RT_USING_PIN'):
@@ -39,6 +39,10 @@ if GetDepend('RT_USING_SFUD'):
 if GetDepend('PKG_USING_GUIENGINE'):
     src += ['drv_lcd.c']
 
+# add i2c drivers.
+if GetDepend(['RT_USING_I2C']):
+    src += ['drv_i2c.c']
+ 
 CPPPATH = [cwd]
 
 group = DefineGroup('Drivers', src, depend = [''], CPPPATH = CPPPATH)

bsp/stm32f429-apollo/drivers/drv_i2c.c

@@ -1,5 +1,5 @@
 /*
- * File      : drv_iic.c
+ * File      : drv_i2c.c
  * This file is part of RT-Thread RTOS
  * COPYRIGHT (C) 2017 RT-Thread Develop Team
  *
@@ -12,7 +12,7 @@
  * 2017-06-05     tanek        first implementation.
  */
  
-#include "drv_iic.h"
+#include "drv_i2c.h"
 
 #include <board.h>
 #include <finsh.h>

bsp/stm32f429-apollo/drivers/drv_i2c.h

@@ -1,5 +1,5 @@
 /*
-* File      : drv_iic.c
+* File      : drv_i2c.h
 * This file is part of RT-Thread RTOS
 * COPYRIGHT (C) 2017 RT-Thread Develop Team
 *