File content as of revision 1:6807376869c1:
/* mbed Nokia LCD Library
* Copyright (c) 2007-2010, sford
*/
#include "NokiaLCD.h"
#include "mbed.h"
#define NOKIALCD_ROWS 16
#define NOKIALCD_COLS 16
#define NOKIALCD_WIDTH 132
#define NOKIALCD_HEIGHT 132
#define NOKIALCD_FREQUENCY 5000000
NokiaLCD::NokiaLCD(PinName dio, PinName sck, PinName cs, PinName rst, LCDType type)
: _spi(mosi, NC, sclk)
, _rst(rst)
, _cs(cs) {
_type = type;
_row = 0;
_column = 0;
_foreground = 0x00FFFFFF;
_background = 0x00000000;
reset();
}
void NokiaLCD::reset() {
// setup the SPI interface and bring display out of reset
_cs = 1;
_rst = 0;
_spi.format(9);
_spi.frequency(NOKIALCD_FREQUENCY);
wait_ms(1);
_rst = 1;
wait_ms(1);
_cs = 0;
switch (_type) {
case LCD6100:
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_ms(1);
command(0xBC);
data(0);
data(1);
data(4);
command(0xAF); // turn on the display
break;
case LCD6610:
command(0xCA); // display control
data(0);
data(31);
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_ms(1);
command(0xBC);
data(0);
data(0);
data(2);
command(0xAF); // turn on the display
break;
case PCF8833:
command(0x11); // sleep out
command(0x3A); // column mode
data(0x05);
command(0x36); // madctl
data(0xC0); // vertical RAM, flip x
command(0x25); // setcon
data(0x30);// contrast 0x30
wait_ms(2);
command(0x29);//DISPON
command(0x03);//BSTRON
//command(0x21);//INVERT COLOR
break;
}
_cs = 1;
cls();
}
void NokiaLCD::command(int value) {
_spi.write(value & 0xFF);
}
void NokiaLCD::data(int value) {
_spi.write(value | 0x100);
}
void NokiaLCD::_window(int x, int y, int width, int height) {
int x1 = x + 0;
int y1 = y + 0;
int x2 = x1 + width-1;
int y2 = y1 + height-1;
switch (_type) {
case LCD6100:
case LCD6610:
command(0x15); // column
data(x1);
data(x2);
command(0x75); // row
data(y1);
data(y2);
command(0x5C); // start write to ram
break;
case PCF8833:
command(0x2A); // column
data(x1);
data(x2);
command(0x2B); // row
data(y1);
data(y2);
command(0x2C); // start write to ram
break;
}
}
void NokiaLCD::_putp(int colour) {
/*int gr = ((colour >> 20) & 0x0F)
| ((colour >> 8 ) & 0xF0);
int nb = ((colour >> 4 ) & 0x0F);
data(nb);
data(gr);*/
// USE 24Bit RGB, and shift to 565
// [R7R6R5R4R3R2R1R0][G7G6G5G4G3G2G1G0][B7B6B5B4B3B2B1B0]
/*
int rg = ((colour ) & 0xF8) // [B7B6B5B4B3______]
| ((colour >> 13) & 0x07); // [__________G7G6G5]
int gb = ((colour >> 19 ) & 0x1F) // [______R7R6R5R4R3]
| ((colour >> 5 ) & 0xE0); // [G4G3G2__________]
data(rg);
data(gb);
*/
int r5=(colour >> 19) & 0x1F;
int g6=(colour >> 10) & 0x3F;
int b5=(colour >> 3) & 0x1F;
int rg=(r5 << 3) | (g6 >> 3);
int gb=((g6 << 2) & 0xE0)| b5;
data(rg);
data(gb);
}
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 NokiaLCD::locate(int column, int row) {
_column = column;
_row = row;
}
void NokiaLCD::newline() {
_column = 0;
_row++;
if (_row >= _rows) {
_row = 0;
}
}
int NokiaLCD::_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 >= NOKIALCD_COLS) {
_row++;
_column = 0;
}
if (_row >= NOKIALCD_ROWS) {
_row = 0;
}
return value;
}
void NokiaLCD::cls() {
fill(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT, _background);
_row = 0;
_column = 0;
}
void NokiaLCD::window(int x, int y, int width, int height) {
_cs = 0;
_window(x, y, width, height);
_cs = 1;
}
void NokiaLCD::putp(int colour) {
_cs = 0;
_putp(colour);
_cs = 1;
}
void NokiaLCD::pixel(int x, int y, int colour) {
_cs = 0;
_window(x, y, 1, 1);
_putp(colour);
_cs = 1;
}
void NokiaLCD::fill(int x, int y, int width, int height, int colour) {
_cs = 0;
_window(x, y, width, height);
switch (_type) {
case LCD6100:
case PCF8833:
for (int i=0; i<width*height; i++) {
_putp(colour);
}
break;
case LCD6610:
for (int i=0; i<width*height/2; i++) {
int r4 = (colour >> (16 + 4)) & 0xF;
int g4 = (colour >> (8 + 4)) & 0xF;
int b4 = (colour >> (0 + 4)) & 0xF;
int d1 = (r4 << 4) | g4;
int d2 = (b4 << 4) | r4;
int d3 = (g4 << 4) | b4;
data(d1);
data(d2);
data(d3);
}
break;
}
_window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT);
_cs = 1;
}
void NokiaLCD::blit(int x, int y, int width, int height, const int* colour) {
_cs = 0;
_window(x, y, width, height);
switch (_type) {
case LCD6100:
case PCF8833:
for (int i=0; i<width*height; i++) {
_putp(colour[i]);
}
break;
case LCD6610:
for (int i=0; i<width*height/2; i++) {
int r41 = (colour[i*2] >> (16 + 4)) & 0xF;
int g41 = (colour[i*2] >> (8 + 4)) & 0xF;
int b41 = (colour[i*2] >> (0 + 4)) & 0xF;
int r42 = (colour[i*2+1] >> (16 + 4)) & 0xF;
int g42 = (colour[i*2+1] >> (8 + 4)) & 0xF;
int b42 = (colour[i*2+1] >> (0 + 4)) & 0xF;
int d1 = (r41 << 4) | g41;
int d2 = (b41 << 4) | r42;
int d3 = (g42 << 4) | b42;
data(d1);
data(d2);
data(d3);
}
break;
}
_window(0, 0, NOKIALCD_WIDTH, NOKIALCD_HEIGHT);
_cs = 1;
}
void NokiaLCD::bitblit(int x, int y, int width, int height, const char* bitstream) {
_cs = 0;
_window(x, y, width, height);
switch (_type) {
case LCD6100:
case PCF8833:
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);
}
break;
case LCD6610:
for(int i=0; i<height*width/2; i++) {
int byte1 = (i*2) / 8;
int bit1 = (i*2) % 8;
int colour1 = ((bitstream[byte1] << bit1) & 0x80) ? _foreground : _background;
int byte2 = (i*2+1) / 8;
int bit2 = (i*2+1) % 8;
int colour2 = ((bitstream[byte2] << bit2) & 0x80) ? _foreground : _background;
int r41 = (colour1 >> (16 + 4)) & 0xF;
int g41 = (colour1 >> (8 + 4)) & 0xF;
int b41 = (colour1 >> (0 + 4)) & 0xF;
int r42 = (colour2 >> (16 + 4)) & 0xF;
int g42 = (colour2 >> (8 + 4)) & 0xF;
int b42 = (colour2 >> (0 + 4)) & 0xF;
int d1 = (r41 << 4) | g41;
int d2 = (b41 << 4) | r42;
int d3 = (g42 << 4) | b42;
data(d1);
data(d2);
data(d3);
}
break;
}
_window(0, 0, _width, _height);
_cs = 1;
}
void NokiaLCD::foreground(int c) {
_foreground = c;
}
void NokiaLCD::background(int c) {
_background = c;
}
int NokiaLCD::width() {
return NOKIALCD_WIDTH;
}
int NokiaLCD::height() {
return NOKIALCD_HEIGHT;
}
int NokiaLCD::columns() {
return NOKIALCD_COLS;
}
int NokiaLCD::rows() {
return NOKIALCD_ROWS;
}