Diff: MobileLCD.cpp

Revision:

0:cc002f2fad97

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MobileLCD.cpp	Tue Sep 15 10:02:04 2009 +0000
@@ -0,0 +1,102 @@
+/* mbed MobileLCD (Sparkfun Nokia) Display Library
+ * Copyright (c) 2007-2009 sford
+ * Released under the MIT License: http://mbed.org/license/mit
+ */
+  
+#include "MobileLCD.h"
+
+MobileLCD::MobileLCD(PinName mosi, PinName sclk, PinName cs, PinName rst) : _spi(mosi, NC, sclk), _cs(cs), _rst(rst) {
+    _cs = 1;
+    _rst = 0;
+    _spi.format(9);
+    _spi.frequency(5000000);
+    wait(0.001);
+    _rst = 1;
+    wait(0.001);
+    _cs = 0;
+
+    command(0xCA); // display control 
+    data(0);
+    data(32);
+    data(0);
+
+    command(0xBB); 
+    data(1);
+
+    command(0xD1); // oscillator on
+    command(0x94); // sleep out
+    command(0x20); // power control
+    data(0x0F);
+
+    command(0xA7); // invert display
+    command(0x81); // Voltage control
+    data(39);      // contrast setting: 0..63
+    data(3);       // resistance ratio
+    wait(0.001);
+
+	command(0xBC); // data control
+  	data(3); // scan dirs 
+  	data(1); // RGB
+  	data(4); // grayscale   	  	
+  	
+    command(0xAF);  // turn on the display   
+	_cs = 1;
+	
+	cls();
+}
+
+void MobileLCD::pixel(int x, int y, int colour) {
+    _cs = 0;
+    
+	command(0x15); // column
+	data(2 + x);       
+	data(2 + x); 
+	command(0x75); // page
+  	data(y);            
+  	data(y);
+   	command(0x5C); // start write to ram
+
+	int gr = ((colour >> 20) & 0x0F)
+	       | ((colour >> 8 ) & 0xF0);
+	int nb = ((colour >> 4 ) & 0x0F);
+	data(nb); 
+	data(gr);
+	
+	_cs = 1; 
+}
+ 	
+int MobileLCD::width() { return 130; }
+int MobileLCD::height() { return 130; }
+ 	
+void MobileLCD::command(int value) {
+	_spi.write(value & 0xFF);
+}
+
+void MobileLCD::data(int value) {
+	_spi.write(value | 0x100);
+}
+
+#ifdef MBED_MOBILELCD_FASTER
+void MobileLCD::window(int x, int y, int w, int h) {
+    _cs = 0;
+	command(0x15); // column
+	data(2 + x);       
+	data(2 + x + w - 1); 
+	command(0x75); // page
+  	data(y);            
+  	data(y + h - 1);
+   	command(0x5C); // start write to ram
+    _cs = 1;
+}
+
+void MobileLCD::putp(int colour) {
+    _cs = 0;
+   	int gr = ((colour >> 20) & 0x0F)
+	       | ((colour >> 8 ) & 0xF0);
+	int nb = ((colour >> 4 ) & 0x0F);
+	data(nb); 
+	data(gr);
+	_cs = 1; 
+}
+
+#endif