Diff: main.cpp

Revision:

5:6c9ee7e3a20c

Parent:

4:d70e37f6c6bd

Child:

6:a6be2aede8f2

diff -r d70e37f6c6bd -r 6c9ee7e3a20c main.cpp
--- a/main.cpp	Sat Aug 02 13:50:40 2014 +0000
+++ b/main.cpp	Sat Aug 02 14:16:30 2014 +0000
@@ -84,44 +84,31 @@
 int main()
 {    
     pc.printf("\n\rSTART\n\r");
-    
-    // I2C init
-    //mcp23017.i2c.frequency(400000);
-    
-    // Port A is databus - Output
-    //mcp23017.direction(PORT_A, PORT_DIR_OUT);
-    
-    // Port B is controlbus - Output       
-    //mcp23017.direction(PORT_B, PORT_DIR_OUT); 
-    
+
+    // Take MCP out of reset to show its backlight
     pc.printf("mcp23017.config(0,1,0);\n\r");
     mcp23017.config(0,1,0);
+    
+    wait(0.5);
+
+    pc.printf("\n\rInitialise LCD\n\r");
+    lcd.begin(16,2);
+
+    pc.printf("\n\rShow a letter\n\r");
+    lcd._putc('A');
+    
     wait(0.5);
     
-    //pc.printf("mcp23017.pinMode\n\r");
-    //mcp23017.pinMode(8, DIR_OUTPUT);
-    //mcp23017.pinMode(7, DIR_OUTPUT);
-    //mcp23017.pinMode(6, DIR_OUTPUT);
-    
-    //SetBacklight(WHITE);
-
-    //wait(0.5);
-    //pc.printf("MPC Init done\n\r");           
-        
-    lcd.begin(16,2);
-    lcd.display();
-    
-    lcd._putc('A');
-    wait(0.5);
-    
+    pc.printf("\n\rPrint Hello World\n\r");
     lcd.printf("Hello, world!");
     lcd.setBacklight(GREEN);
     
+    wait(0.5);
+    
+    pc.printf("\n\rEntering key tracking loop\n\r");
     while (true)
     {
         loop();
         wait(0.2);
-    }
-    
-    //pc.printf("FINISHED\n\r");
+    }    
 }