Fork of LCD-Window which works with Enhanced TextLCD from Wim
Fork of LcdWindow by
dogm_spi.cpp
- Committer:
- hlipka
- Date:
- 2011-02-22
- Revision:
- 9:2fe93daa2106
- Parent:
- 3:e5d5e2fe4bf6
File content as of revision 9:2fe93daa2106:
/* * mbed LCDWindow library * Copyright (c) 2010 Hendrik Lipka * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #include "dogm_spi.h" #include "SPI.h" #include "DigitalOut.h" #include "wait_api.h" DogmLCDSPI::DogmLCDSPI (unsigned int columns, unsigned int rows, SPI *spi, PinName enable, PinName rs) :SPILCDBase(columns,rows,spi,enable,rs) { } void DogmLCDSPI::init() { unsigned char initCmd[10]={0x38,0x39,0x14,0x55,0x6d,0x78,0x38,0x0c,0x01,0x06}; _enable->write(1); wait_ms(80); for (int i=0;i<sizeof(initCmd);i++) { sendCmd(initCmd[i]); wait_ms(4); } } void DogmLCDSPI::character(int column, int row, int c) { int address=(row)*0x40+(column); if (!_guard->take()) return; sendCmd((char)address|0x80); wait_ms(1); sendData(c); _guard->release(); wait_ms(1); } void DogmLCDSPI::writeText(const unsigned int column, const unsigned int row, const char text[]) { int address=(row)*0x40+(column); if (!_guard->take()) return; sendCmd((char)address|0x80); wait_ms(1); int i=0; while(text[i]!=0) { sendData(text[i]); wait_ms(1); i++; } _guard->release(); } void DogmLCDSPI::clear() { if (!_guard->take()) return; sendCmd(1); _guard->release(); }