madhu sudhana / Mbed OS newTFTLCD_

1.44 tft lcd display

Dependencies:   TFT_fonts mbed-os

Fork of newTFTLCD by madhu sudhana

ssd.cpp@1:14bef43daf6f, 2012-12-01 (annotated)

Committer:
ttodorov
Date:
Sat Dec 01 23:49:10 2012 +0000
Revision:
1:14bef43daf6f
Parent:
0:881ff0b71102
Child:
2:81ed304b7e9b
- fixed the computation of display sizes

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ttodorov 0:881ff0b71102 1 /*
ttodorov 0:881ff0b71102 2 * Copyright (C)2010-2012 Henning Karlsen. All right reserved.
ttodorov 0:881ff0b71102 3 * Copyright (C)2012 Todor Todorov.
ttodorov 0:881ff0b71102 4 *
ttodorov 0:881ff0b71102 5 * This library is free software; you can redistribute it and/or
ttodorov 0:881ff0b71102 6 * modify it under the terms of the GNU Lesser General Public
ttodorov 0:881ff0b71102 7 * License as published by the Free Software Foundation; either
ttodorov 0:881ff0b71102 8 * version 2.1 of the License, or (at your option) any later version.
ttodorov 0:881ff0b71102 9 *
ttodorov 0:881ff0b71102 10 * This library is distributed in the hope that it will be useful,
ttodorov 0:881ff0b71102 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
ttodorov 0:881ff0b71102 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
ttodorov 0:881ff0b71102 13 * Lesser General Public License for more details.
ttodorov 0:881ff0b71102 14 *
ttodorov 0:881ff0b71102 15 * You should have received a copy of the GNU Lesser General Public
ttodorov 0:881ff0b71102 16 * License along with this library; if not, write to:
ttodorov 0:881ff0b71102 17 *
ttodorov 0:881ff0b71102 18 * Free Software Foundation, Inc.
ttodorov 0:881ff0b71102 19 * 51 Franklin St, 5th Floor, Boston, MA 02110-1301, USA
ttodorov 0:881ff0b71102 20 *
ttodorov 0:881ff0b71102 21 *********************************************************************/
ttodorov 0:881ff0b71102 22 #include "ssd.h"
ttodorov 0:881ff0b71102 23
ttodorov 0:881ff0b71102 24 #define pulseLow( pin ) pin = LOW; pin = HIGH
ttodorov 0:881ff0b71102 25 #define pulseHigh( pin ) pin = HIGH; pin = LOW
ttodorov 0:881ff0b71102 26
ttodorov 0:881ff0b71102 27 SSD1289LCD::SSD1289LCD( PinName CS, PinName RESET, PinName RS, PinName WR, BusOut* DATA_PORT, PinName RD )
ttodorov 1:14bef43daf6f 28 : LCD( 240, 320, CS, RS ), _lcd_pin_reset( RESET ), _lcd_pin_wr( WR )
ttodorov 0:881ff0b71102 29 {
ttodorov 0:881ff0b71102 30 _lcd_port = DATA_PORT;
ttodorov 0:881ff0b71102 31 if ( RD != NC )
ttodorov 0:881ff0b71102 32 _lcd_pin_rd = new DigitalOut( RD );
ttodorov 0:881ff0b71102 33 else
ttodorov 0:881ff0b71102 34 _lcd_pin_rd = 0;
ttodorov 0:881ff0b71102 35
ttodorov 0:881ff0b71102 36 SetForeground();
ttodorov 0:881ff0b71102 37 SetBackground();
ttodorov 0:881ff0b71102 38 _font.font = 0;
ttodorov 0:881ff0b71102 39 }
ttodorov 0:881ff0b71102 40
ttodorov 0:881ff0b71102 41 void SSD1289LCD::Initialize( orientation_t orientation )
ttodorov 0:881ff0b71102 42 {
ttodorov 0:881ff0b71102 43 _orientation = orientation;
ttodorov 0:881ff0b71102 44
ttodorov 0:881ff0b71102 45 _lcd_pin_reset = HIGH;
ttodorov 0:881ff0b71102 46 wait_ms( 5 );
ttodorov 0:881ff0b71102 47 _lcd_pin_reset = LOW;
ttodorov 0:881ff0b71102 48 wait_ms( 15 );
ttodorov 0:881ff0b71102 49 _lcd_pin_reset = HIGH;
ttodorov 0:881ff0b71102 50 _lcd_pin_cs = HIGH;
ttodorov 0:881ff0b71102 51 if ( _lcd_pin_rd != 0 )
ttodorov 0:881ff0b71102 52 *_lcd_pin_rd = HIGH;
ttodorov 0:881ff0b71102 53 _lcd_pin_wr = HIGH;
ttodorov 0:881ff0b71102 54 wait_ms( 15 );
ttodorov 0:881ff0b71102 55
ttodorov 0:881ff0b71102 56
ttodorov 0:881ff0b71102 57 writeCmdData( 0x00, 0x0001 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 58 writeCmdData( 0x03, 0xA8A4 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 59 writeCmdData( 0x0C, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 60 writeCmdData( 0x0D, 0x080C ); wait_ms( 1 );
ttodorov 0:881ff0b71102 61 writeCmdData( 0x0E, 0x2B00 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 62 writeCmdData( 0x1E, 0x00B7 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 63 writeCmdData( 0x01, 0x2B3F ); wait_ms( 1 );
ttodorov 0:881ff0b71102 64 writeCmdData( 0x02, 0x0600 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 65 writeCmdData( 0x10, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 66 writeCmdData( 0x11, 0x6070 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 67 writeCmdData( 0x05, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 68 writeCmdData( 0x06, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 69 writeCmdData( 0x16, 0xEF1C ); wait_ms( 1 );
ttodorov 0:881ff0b71102 70 writeCmdData( 0x17, 0x0003 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 71 writeCmdData( 0x07, 0x0233 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 72 writeCmdData( 0x0B, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 73 writeCmdData( 0x0F, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 74 writeCmdData( 0x41, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 75 writeCmdData( 0x42, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 76 writeCmdData( 0x48, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 77 writeCmdData( 0x49, 0x013F ); wait_ms( 1 );
ttodorov 0:881ff0b71102 78 writeCmdData( 0x4A, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 79 writeCmdData( 0x4B, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 80 writeCmdData( 0x44, 0xEF00 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 81 writeCmdData( 0x45, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 82 writeCmdData( 0x46, 0x013F ); wait_ms( 1 );
ttodorov 0:881ff0b71102 83 writeCmdData( 0x30, 0x0707 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 84 writeCmdData( 0x31, 0x0204 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 85 writeCmdData( 0x32, 0x0204 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 86 writeCmdData( 0x33, 0x0502 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 87 writeCmdData( 0x34, 0x0507 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 88 writeCmdData( 0x35, 0x0204 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 89 writeCmdData( 0x36, 0x0204 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 90 writeCmdData( 0x37, 0x0502 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 91 writeCmdData( 0x3A, 0x0302 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 92 writeCmdData( 0x3B, 0x0302 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 93 writeCmdData( 0x23, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 94 writeCmdData( 0x24, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 95 writeCmdData( 0x25, 0x8000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 96 writeCmdData( 0x4f, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 97 writeCmdData( 0x4e, 0x0000 ); wait_ms( 1 );
ttodorov 0:881ff0b71102 98 writeCmd( 0x22 );
ttodorov 0:881ff0b71102 99 }
ttodorov 0:881ff0b71102 100
ttodorov 0:881ff0b71102 101 void SSD1289LCD::writeCmd( unsigned short cmd )
ttodorov 0:881ff0b71102 102 {
ttodorov 0:881ff0b71102 103 _lcd_pin_rs = LOW;
ttodorov 0:881ff0b71102 104 _lcd_pin_cs = LOW;
ttodorov 0:881ff0b71102 105 _lcd_port->write( cmd );
ttodorov 0:881ff0b71102 106 pulseLow( _lcd_pin_wr );
ttodorov 0:881ff0b71102 107 _lcd_pin_cs = HIGH;
ttodorov 0:881ff0b71102 108 }
ttodorov 0:881ff0b71102 109
ttodorov 0:881ff0b71102 110 void SSD1289LCD::writeData( unsigned short data )
ttodorov 0:881ff0b71102 111 {
ttodorov 0:881ff0b71102 112 _lcd_pin_rs = HIGH;
ttodorov 0:881ff0b71102 113 _lcd_pin_cs = LOW;
ttodorov 0:881ff0b71102 114 _lcd_port->write( data );
ttodorov 0:881ff0b71102 115 pulseLow( _lcd_pin_wr );
ttodorov 0:881ff0b71102 116 _lcd_pin_cs = HIGH;
ttodorov 0:881ff0b71102 117 }
ttodorov 0:881ff0b71102 118
ttodorov 0:881ff0b71102 119 void SSD1289LCD::setXY( uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2 )
ttodorov 0:881ff0b71102 120 {
ttodorov 0:881ff0b71102 121 if ( _orientation == LANDSCAPE )
ttodorov 0:881ff0b71102 122 {
ttodorov 0:881ff0b71102 123 swap( uint16_t, x1, y1 )
ttodorov 0:881ff0b71102 124 swap( uint16_t, x2, y2 )
ttodorov 0:881ff0b71102 125 y1 = _disp_height - y1;
ttodorov 0:881ff0b71102 126 y2 = _disp_height - y2;
ttodorov 0:881ff0b71102 127 swap( uint16_t, y1, y2 )
ttodorov 0:881ff0b71102 128 }
ttodorov 0:881ff0b71102 129
ttodorov 0:881ff0b71102 130 writeCmdData( 0x44, ( x2 << 8 ) + x1 );
ttodorov 0:881ff0b71102 131 writeCmdData( 0x45, y1 );
ttodorov 0:881ff0b71102 132 writeCmdData( 0x46, y2 );
ttodorov 0:881ff0b71102 133 writeCmdData( 0x4e, x1 );
ttodorov 0:881ff0b71102 134 writeCmdData( 0x4f, y1 );
ttodorov 0:881ff0b71102 135 writeCmd( 0x22 );
ttodorov 0:881ff0b71102 136 }