madhu sudhana / Mbed OS newTFTLCD_

1.44 tft lcd display

Dependencies:   TFT_fonts mbed-os

Fork of newTFTLCD by madhu sudhana

ssd1289.cpp@4:3ac4239f6c9c, 2012-12-02 (annotated)

Committer:
ttodorov
Date:
Sun Dec 02 05:44:52 2012 +0000
Revision:
4:3ac4239f6c9c
Parent:
3:64a5b67d5b51
Child:
10:69571adcfad5
- renamed SSD1289 implementation; - refactored base class functions and removed redundant addressing; - added sleep and wake functions; - added HX8340B serial implementation; - fixed test case

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 3:64a5b67d5b51 22 #include "ssd1289.h"
ttodorov 3:64a5b67d5b51 23 #include "helpers.h"
ttodorov 0:881ff0b71102 24
ttodorov 4:3ac4239f6c9c 25 SSD1289_LCD::SSD1289_LCD( PinName CS, PinName RESET, PinName RS, PinName WR, BusOut* DATA_PORT, PinName BL, PinName RD )
ttodorov 4:3ac4239f6c9c 26 : LCD( 240, 320, CS, RS, RESET ), _lcd_pin_wr( WR )
ttodorov 0:881ff0b71102 27 {
ttodorov 0:881ff0b71102 28 _lcd_port = DATA_PORT;
ttodorov 4:3ac4239f6c9c 29 if ( BL != NC ) _lcd_pin_bl = new DigitalOut( BL );
ttodorov 4:3ac4239f6c9c 30 else _lcd_pin_bl = 0;
ttodorov 4:3ac4239f6c9c 31 if ( RD != NC ) _lcd_pin_rd = new DigitalOut( RD );
ttodorov 4:3ac4239f6c9c 32 else _lcd_pin_rd = 0;
ttodorov 0:881ff0b71102 33 }
ttodorov 0:881ff0b71102 34
ttodorov 4:3ac4239f6c9c 35 void SSD1289_LCD::Initialize( orientation_t orientation )
ttodorov 0:881ff0b71102 36 {
ttodorov 0:881ff0b71102 37 _orientation = orientation;
ttodorov 0:881ff0b71102 38
ttodorov 0:881ff0b71102 39 _lcd_pin_reset = HIGH;
ttodorov 0:881ff0b71102 40 wait_ms( 5 );
ttodorov 0:881ff0b71102 41 _lcd_pin_reset = LOW;
ttodorov 0:881ff0b71102 42 wait_ms( 15 );
ttodorov 0:881ff0b71102 43 _lcd_pin_reset = HIGH;
ttodorov 0:881ff0b71102 44 _lcd_pin_cs = HIGH;
ttodorov 4:3ac4239f6c9c 45 if ( _lcd_pin_bl != 0 )
ttodorov 4:3ac4239f6c9c 46 *_lcd_pin_bl = HIGH;
ttodorov 0:881ff0b71102 47 if ( _lcd_pin_rd != 0 )
ttodorov 0:881ff0b71102 48 *_lcd_pin_rd = HIGH;
ttodorov 0:881ff0b71102 49 _lcd_pin_wr = HIGH;
ttodorov 0:881ff0b71102 50 wait_ms( 15 );
ttodorov 0:881ff0b71102 51
ttodorov 4:3ac4239f6c9c 52 Activate();
ttodorov 2:81ed304b7e9b 53 WriteCmdData( 0x00, 0x0001 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 54 WriteCmdData( 0x03, 0xA8A4 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 55 WriteCmdData( 0x0C, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 56 WriteCmdData( 0x0D, 0x080C ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 57 WriteCmdData( 0x0E, 0x2B00 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 58 WriteCmdData( 0x1E, 0x00B7 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 59 WriteCmdData( 0x01, 0x2B3F ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 60 WriteCmdData( 0x02, 0x0600 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 61 WriteCmdData( 0x10, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 62 WriteCmdData( 0x11, 0x6070 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 63 WriteCmdData( 0x05, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 64 WriteCmdData( 0x06, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 65 WriteCmdData( 0x16, 0xEF1C ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 66 WriteCmdData( 0x17, 0x0003 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 67 WriteCmdData( 0x07, 0x0233 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 68 WriteCmdData( 0x0B, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 69 WriteCmdData( 0x0F, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 70 WriteCmdData( 0x41, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 71 WriteCmdData( 0x42, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 72 WriteCmdData( 0x48, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 73 WriteCmdData( 0x49, 0x013F ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 74 WriteCmdData( 0x4A, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 75 WriteCmdData( 0x4B, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 76 WriteCmdData( 0x44, 0xEF00 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 77 WriteCmdData( 0x45, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 78 WriteCmdData( 0x46, 0x013F ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 79 WriteCmdData( 0x30, 0x0707 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 80 WriteCmdData( 0x31, 0x0204 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 81 WriteCmdData( 0x32, 0x0204 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 82 WriteCmdData( 0x33, 0x0502 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 83 WriteCmdData( 0x34, 0x0507 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 84 WriteCmdData( 0x35, 0x0204 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 85 WriteCmdData( 0x36, 0x0204 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 86 WriteCmdData( 0x37, 0x0502 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 87 WriteCmdData( 0x3A, 0x0302 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 88 WriteCmdData( 0x3B, 0x0302 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 89 WriteCmdData( 0x23, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 90 WriteCmdData( 0x24, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 91 WriteCmdData( 0x25, 0x8000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 92 WriteCmdData( 0x4f, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 93 WriteCmdData( 0x4e, 0x0000 ); wait_ms( 1 );
ttodorov 2:81ed304b7e9b 94 WriteCmd( 0x22 );
ttodorov 4:3ac4239f6c9c 95 Deactivate();
ttodorov 0:881ff0b71102 96 }
ttodorov 0:881ff0b71102 97
ttodorov 4:3ac4239f6c9c 98 void SSD1289_LCD::Sleep( void )
ttodorov 0:881ff0b71102 99 {
ttodorov 4:3ac4239f6c9c 100 // TODO: figure out if the SSD1289 controller has sleep and wakeup commands
ttodorov 4:3ac4239f6c9c 101 if ( _lcd_pin_bl != 0 )
ttodorov 4:3ac4239f6c9c 102 *_lcd_pin_bl = LOW;
ttodorov 0:881ff0b71102 103 }
ttodorov 0:881ff0b71102 104
ttodorov 4:3ac4239f6c9c 105 void SSD1289_LCD::WakeUp( void )
ttodorov 4:3ac4239f6c9c 106 {
ttodorov 4:3ac4239f6c9c 107 // TODO: figure out if the SSD1289 controller has sleep and wakeup commands
ttodorov 4:3ac4239f6c9c 108 if ( _lcd_pin_bl != 0 )
ttodorov 4:3ac4239f6c9c 109 *_lcd_pin_bl = HIGH;
ttodorov 4:3ac4239f6c9c 110 }
ttodorov 4:3ac4239f6c9c 111
ttodorov 4:3ac4239f6c9c 112 void SSD1289_LCD::WriteCmd( unsigned short cmd )
ttodorov 4:3ac4239f6c9c 113 {
ttodorov 4:3ac4239f6c9c 114 _lcd_pin_rs = LOW;
ttodorov 4:3ac4239f6c9c 115 _lcd_port->write( cmd );
ttodorov 4:3ac4239f6c9c 116 pulseLow( _lcd_pin_wr );
ttodorov 4:3ac4239f6c9c 117 }
ttodorov 4:3ac4239f6c9c 118
ttodorov 4:3ac4239f6c9c 119 void SSD1289_LCD::WriteData( unsigned short data )
ttodorov 0:881ff0b71102 120 {
ttodorov 0:881ff0b71102 121 _lcd_pin_rs = HIGH;
ttodorov 0:881ff0b71102 122 _lcd_port->write( data );
ttodorov 0:881ff0b71102 123 pulseLow( _lcd_pin_wr );
ttodorov 0:881ff0b71102 124 }
ttodorov 0:881ff0b71102 125
ttodorov 4:3ac4239f6c9c 126 void SSD1289_LCD::SetXY( uint16_t x1, uint16_t y1, uint16_t x2, uint16_t y2 )
ttodorov 0:881ff0b71102 127 {
ttodorov 0:881ff0b71102 128 if ( _orientation == LANDSCAPE )
ttodorov 0:881ff0b71102 129 {
ttodorov 0:881ff0b71102 130 swap( uint16_t, x1, y1 )
ttodorov 0:881ff0b71102 131 swap( uint16_t, x2, y2 )
ttodorov 0:881ff0b71102 132 y1 = _disp_height - y1;
ttodorov 0:881ff0b71102 133 y2 = _disp_height - y2;
ttodorov 0:881ff0b71102 134 swap( uint16_t, y1, y2 )
ttodorov 0:881ff0b71102 135 }
ttodorov 0:881ff0b71102 136
ttodorov 2:81ed304b7e9b 137 WriteCmdData( 0x44, ( x2 << 8 ) + x1 );
ttodorov 2:81ed304b7e9b 138 WriteCmdData( 0x45, y1 );
ttodorov 2:81ed304b7e9b 139 WriteCmdData( 0x46, y2 );
ttodorov 2:81ed304b7e9b 140 WriteCmdData( 0x4e, x1 );
ttodorov 2:81ed304b7e9b 141 WriteCmdData( 0x4f, y1 );
ttodorov 2:81ed304b7e9b 142 WriteCmd( 0x22 );
ttodorov 0:881ff0b71102 143 }