Diff: MCP23008/MCP23008.h

Revision:

21:f87464a7e7c6

Parent:

1:0182b86f9bd4

--- a/MCP23008/MCP23008.h	Mon Jul 16 03:53:59 2018 +0000
+++ b/MCP23008/MCP23008.h	Wed Jul 18 21:28:45 2018 +0000
@@ -1,5 +1,5 @@
 #include "mbed.h"
- 
+
 class MCP23008 {
 public:
 
@@ -11,41 +11,41 @@
      * value that is physically set via A0, A1, and A2.
      * @param freq The I2C frequency.
      */
-     
+
      MCP23008(PinName sda, PinName scl, uint8_t address, int freq);
-     
+
      /** Setup the port direction of each of the pins
      *
      */
-     
+
      void init();
-    
-    
+
+
      /** Write to the output pins.
      *
      * This function is used to set output pins on or off.
      *
      * @param val The GPIO channels to turn on
      */
-     
-     void writeOutput(int chn1, int chn2, int chn3, int chn4);
-     
-          
+
+     int writeOutput(int chn1, int chn2, int chn3, int chn4);
+
+
      /** Sets I2C address
      *
      * This function is used to set the I2C address
      *
      * @param address The I2C address
      */
-     
+
      void setAddress(int address);
 
-  
+
 private:
     I2C i2c;
-    
-    uint8_t addrI2C; 
-    
+
+    uint8_t addrI2C;
+
     uint8_t GPIO_Pin_Status;
 };
- 
+