Diff: AdaFruit_RGBLCDShield.cpp

Revision:

6:a6be2aede8f2

Parent:

5:6c9ee7e3a20c

--- a/AdaFruit_RGBLCDShield.cpp	Sat Aug 02 14:16:30 2014 +0000
+++ b/AdaFruit_RGBLCDShield.cpp	Sat Aug 02 16:05:40 2014 +0000
@@ -19,7 +19,7 @@
 #include <string.h>
 #include <inttypes.h>
 
-// New MBED code
+// New MBED code to handle porting
 #define OUTPUT DIR_OUTPUT
 #define INPUT DIR_INPUT
 
@@ -67,9 +67,10 @@
 
 // MBED - wired in serial
 // MBED - wired in _i2c
-Adafruit_RGBLCDShield::Adafruit_RGBLCDShield(MCP23017 & inMCP)
+Adafruit_RGBLCDShield::Adafruit_RGBLCDShield(MCP23017 & inMCP, Serial & inSerial)
     : Serial(SERIAL_TX, SERIAL_RX)
     , _i2c(inMCP)
+    , _debug(inSerial)
 {
   _i2cAddr = 0;
 
@@ -127,16 +128,20 @@
   begin(16, 1);  
 }
 
-void Adafruit_RGBLCDShield::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {
+void Adafruit_RGBLCDShield::begin(uint8_t cols, uint8_t lines, uint8_t dotsize) {    
   // check if i2c
   if (_i2cAddr != 255) {
+    _debug.printf("Adafruit_RGBLCDShield::begin() - I2C ON\n\r");
+    
     //_i2c.begin(_i2cAddr);
     //WIRE.begin();
+    
     _i2c.reset();
-
+    
     _i2c.pinMode(8, OUTPUT);
     _i2c.pinMode(6, OUTPUT);
     _i2c.pinMode(7, OUTPUT);
+
     setBacklight(0x7);
 
     if (_rw_pin)
@@ -218,7 +223,7 @@
   command(LCD_FUNCTIONSET | _displayfunction);  
 
   // turn the display on with no cursor or blinking default
-  _displaycontrol = LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF;  
+  _displaycontrol = LCD_DISPLAYON | LCD_CURSOROFF | LCD_BLINKOFF;
   display();
 
   // clear it off
@@ -228,7 +233,6 @@
   _displaymode = LCD_ENTRYLEFT | LCD_ENTRYSHIFTDECREMENT;
   // set the entry mode
   command(LCD_ENTRYMODESET | _displaymode);
-
 }
 
 /********** high level commands, for the user! */
@@ -465,3 +469,14 @@
   }
   return reply;
 }
+
+void Adafruit_RGBLCDShield::debugWait(const char * inMessage)
+{
+    _debug.printf("Wait: %s", inMessage);
+    
+    while (0 == readButtons()) {
+        wait(0.2);
+    }
+    
+    _debug.printf(" DONE\r\n");
+}