Revision 0:9311b440e62b, committed 2009-09-01

Comitter:

EricWieser

Date:

Tue Sep 01 16:42:21 2009 +0000

Commit message:

Changed in this revision

diff -r 000000000000 -r 9311b440e62b MobileLCD.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MobileLCD.cpp	Tue Sep 01 16:42:21 2009 +0000
@@ -0,0 +1,370 @@
+/* mbed Library - MobileLCD
+ * Copyright (c) 2007, sford
+ */
+ 
+#include "MobileLCD.h"
+
+#include "mbed.h"
+
+using namespace mbed;
+
+MobileLCD::MobileLCD(int mosi, int miso, int clk, int cs, int rst) 
+	: _spi(mosi, miso, clk)
+	, _rst(rst)
+	, _cs(cs) {
+
+	_row = 0;
+	_column = 0;
+	_rows = 16;
+	_columns = 16;
+	_width = 130;
+	_height = 130;
+	foreground(0x00FFFFFF);
+	background(0x00000000);
+	reset();
+}
+	
+void MobileLCD::reset() {
+	_cs = 1;
+	_rst = 0;
+	_spi.format(9);
+	_spi.frequency(5000000);
+	wait(0.001);
+	_rst = 1;
+	wait(0.001);
+	_select();
+	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);
+		
+	orientation();
+		
+	// clear screen, including surrounding border
+	_window(0, 0, 130, 130);
+	for(int i=0; i<130*130; i++) {
+		_putp(0x000000);
+	}
+	command(0xAF);  // turn on the display
+    
+    _deselect();
+
+}
+ 	
+void MobileLCD::command(int value) {
+	_spi.write(value & 0xFF);
+}
+
+void MobileLCD::data(int value) {
+	_spi.write(value | 0x100);
+}
+
+void MobileLCD::_select() {
+	_cs = 0;	
+}
+	
+void MobileLCD::_deselect() {
+	_cs = 1;
+}
+			
+void MobileLCD::_window(int x, int y, int width, int height) {
+	int x1, x2, y1, y2;
+	switch(0) { //_rotation) {
+		default:
+		case 0:
+			x1 = x + 2;
+			y1 = y + 0;
+			x2 = x1 + width - 1;
+			y2 = y1 + height - 1;		
+			break;
+		case 1:
+			x1 = y + 1;
+			y1 = x + 1;
+			x2 = x1 + height - 1;
+			y2 = y1 + width - 1;					
+		break;
+		case 2:
+			x1 = x + 1;
+			y1 = y + 3;
+			x2 = x1 + width - 1;
+			y2 = y1 + height - 1;		
+			break;
+		case 3:
+			x1 = y + 3;
+			y1 = x + 3;
+			x2 = x1 + height - 1;
+			y2 = y1 + width - 1;					
+		break;
+	}
+	command(0x15); // column
+	data(x1);       
+	data(x2); 
+	command(0x75); // page
+  	data(y1);            
+  	data(y2);
+   	command(0x5C); // start write to ram
+}	
+	
+void MobileLCD::_putp(int colour) {
+	int gr = ((colour >> 20) & 0x0F)
+	       | ((colour >> 8 ) & 0xF0);
+	int nb = ((colour >> 4 ) & 0x0F);
+	data(nb); 
+	data(gr); 
+}
+
+void MobileLCD::orientation() {
+	int m;
+	switch(0) { //_rotation) {
+		case 0:
+		default:
+			m = 3;
+			break;
+		case 2:
+			m = 0;
+	  		break;
+		case 1:
+			m = 5;
+	  		break;
+		case 3: 
+			m = 6;
+			break;
+	}
+
+	command(0xBC); // data control
+  	data(m); // scan dirs 
+  	data(1); // RGB
+  	data(4); // grayscale   	  	
+}
+	
+	
+const unsigned char FONT8x8[97][8] = {
+0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20
+0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // !
+0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // "
+0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // #
+0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $
+0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // %
+0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // &
+0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // '
+0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // (
+0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // )
+0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // *
+0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // +
+0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // ,
+0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // -
+0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // .
+0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash)
+0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30
+0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1
+0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2
+0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3
+0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4
+0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5
+0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6
+0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7
+0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8
+0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9
+0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // :
+0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ;
+0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // <
+0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // =
+0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // >
+0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ?
+0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40
+0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A
+0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B
+0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C
+0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D
+0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E
+0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F
+0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G
+0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H
+0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I
+0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J
+0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K
+0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L
+0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M
+0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N
+0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O
+0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50
+0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q
+0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R
+0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S
+0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T
+0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U
+0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V
+0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W
+0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X
+0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y
+0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z
+0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [
+0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash)
+0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ]
+0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^
+0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _
+0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60
+0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a
+0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b
+0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c
+0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d
+0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e
+0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f
+0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g
+0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h
+0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i
+0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j
+0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k
+0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l
+0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m
+0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n
+0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o
+0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p
+0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q
+0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r
+0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s
+0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t
+0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u
+0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v
+0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w
+0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x
+0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y
+0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z
+0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // {
+0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // |
+0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // }
+0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~
+0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00}; // DEL
+
+void MobileLCD::locate(int column, int row) {
+	_row = row;
+	_column = column;
+}
+	
+void MobileLCD::newline() {
+	_column = 0;
+	_row++;
+	if(_row >= _rows) {
+		_row = 0;
+	}
+}
+	
+int MobileLCD::_putc(int value) { 
+	int x = _column * 8;  // FIXME: Char sizes
+	int y = _row * 8;
+	bitblit(x + 1, y + 1, 8, 8, (char*)&(FONT8x8[value - 0x1F][0]));
+	
+	_column++;
+
+	if(_column >= _columns) {
+		_row++;
+		_column = 0;
+	}
+		
+	if(_row >= _rows) {
+		_row = 0;
+	}			
+
+	return value;
+}
+
+void MobileLCD::cls() {
+	fill(0, 0, _width, _height, _background);
+	_row = 0;
+	_column = 0;
+}
+
+int MobileLCD::width() { 
+	return _width; 
+}
+
+int MobileLCD::height() { 
+	return _height; 
+}
+
+int MobileLCD::columns() { 
+	return _columns; 
+}
+
+int MobileLCD::rows() { 
+	return _rows; 
+}
+
+void MobileLCD::window(int x, int y, int width, int height) {
+ 	_select();
+ 	_window(x, y, width, height);
+ 	_deselect();
+}
+ 	
+void MobileLCD::putp(int colour) {
+	_select();
+	_putp(colour);
+	_deselect();
+}
+ 	
+void MobileLCD::pixel(int x, int y, int colour) {
+ 	_select();
+	_window(x, y, 1, 1);
+	_putp(colour);
+	_deselect();
+}
+
+void MobileLCD::fill(int x, int y, int width, int height, int colour) {
+	_select();
+	_window(x, y, width, height);
+	for(int i=0; i<width*height; i++) {
+		_putp(colour);
+	}
+	_window(0, 0, _width, _height);
+	_deselect();
+} 	
+
+	
+void MobileLCD::blit(int x, int y, int width, int height, const int* colour) {
+	_select();
+	_window(x, y, width, height);
+	for(int i=0; i<width*height; i++) {
+		_putp(colour[i]);
+	}
+	_window(0, 0, _width, _height);
+	_deselect();
+} 	
+ 	  	
+void MobileLCD::foreground(int v) {
+	_foreground = v;
+}
+
+void MobileLCD::background(int v) {
+	_background = v;
+}
+
+void MobileLCD::bitblit(int x, int y, int width, int height, const char* bitstream) {
+	_select();
+	_window(x, y, width, height);
+	for(int i=0; i<height*width; i++) {
+		int byte = i / 8;
+		int bit = i % 8;	
+		int colour = ((bitstream[byte] << bit) & 0x80) ? _foreground : _background;
+		_putp(colour);
+	}
+	_window(0, 0, _width, _height);
+	_deselect();
+}
+
+	
+	
\ No newline at end of file

diff -r 000000000000 -r 9311b440e62b MobileLCD.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MobileLCD.h	Tue Sep 01 16:42:21 2009 +0000
@@ -0,0 +1,54 @@
+/* mbed Library - MobileLCD
+ * Copyright (c) 2007/8, sford
+ */
+
+#ifndef MBED_MOBILELCD_H
+#define MBED_MOBILELCD_H
+ 
+#include "mbed.h"
+
+namespace mbed {
+
+class MobileLCD : public Stream {
+
+public:
+
+	MobileLCD(int mosi, int miso, int clk, int cs, int rst);
+
+	virtual void reset();
+	virtual void _select();
+	virtual void _deselect();
+	virtual void _window(int x, int y, int width, int height);
+	virtual void _putp(int colour);
+	virtual void orientation();
+
+ 	void command(int value);
+ 	void data(int value);
+ 	void foreground(int v);
+ 	void background(int v);
+ 	void locate(int column, int row);
+ 	void newline();
+ 	virtual int _putc(int c);
+ 	virtual int _getc() { return 0; }
+	SPI _spi;
+	DigitalOut _rst;
+	DigitalOut _cs;	
+	void bitblit(int x, int y, int width, int height, const char* bitstream);
+	void fill(int x, int y, int width, int height, int colour);
+	void blit(int x, int y, int width, int height, const int* colour);
+	void cls();
+	int width();
+	int height();
+	int columns();
+	int rows();
+	void putp(int v);
+	void window(int x, int y, int width, int height);
+	void pixel(int x, int y, int colour);
+	int _row, _column, _rows, _columns, _foreground, _background, _width, _height;
+};
+
+}
+
+#endif
+	
+

diff -r 000000000000 -r 9311b440e62b main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Sep 01 16:42:21 2009 +0000
@@ -0,0 +1,33 @@
+#include "mbed.h"
+#include "MobileLCD.h"
+
+#define PI 3.1415926535897
+MobileLCD lcd(5, 6, 7, 8, 9);
+struct point
+{
+	int x;
+	int y;
+};
+
+point points[3];
+point current;
+
+int main()
+{
+	for(int i=0; i<3; i++)
+	{
+		points[i].x = 65+60*sin(2*PI*i/3);
+		points[i].y = 65+60*cos(2*PI*i/3);
+	}
+    lcd.background(0xFFFFFF);
+    lcd.cls();
+    current = points[rand()%3];
+    while(1)
+    {
+        lcd.pixel(current.x, current.y, 0x000000);
+        point nextpoint = points[rand()%3];
+        current.x = (current.x + nextpoint.x)/2;
+        current.y = (current.y + nextpoint.y)/2;
+        wait(0.01);
+    }
+}
\ No newline at end of file

diff -r 000000000000 -r 9311b440e62b mbed.bld
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed.bld	Tue Sep 01 16:42:21 2009 +0000
@@ -0,0 +1,1 @@
+http://mbed.org/users/mbed_official/code/mbed/builds/fcb9359f0959