A fork of Chris Yan's Nokia 5110 LCD library, adapted to LPC1347. Should work on a DipCortex M3 and an EzSBC2 dev board.
Fork of Nokia5110 by
NOKIA_5110.cpp
- Committer:
- Fuzball
- Date:
- 2012-01-16
- Revision:
- 1:e25ab356dc9b
- Child:
- 3:41063eb2a040
File content as of revision 1:e25ab356dc9b:
// Project: Nokia5110 - Controlling a NK5110 display from an NXP LPC1768 // File: NOKIA_5110.cpp // Author: Chris Yan // Created: January, 2012 // Revised: // Desc: Supporting code for the NokiaLcd class #include "NOKIA_5110.h" #include "mbed.h" NokiaLcd::NokiaLcd(LcdPins pinout) { // SPI LcdSpi = new SPI(pinout.mosi, pinout.miso, pinout.sclk); LcdSpi->format(LCD_SPI_BITS, LCD_SPI_MODE); LcdSpi->frequency(LCD_FREQ); // Control Pins Pins = new DigitalOut*[3]; Pins[PIN_RST] = new DigitalOut(pinout.rst); Pins[PIN_SCE] = new DigitalOut(pinout.sce); Pins[PIN_DC] = new DigitalOut(pinout.dc); // Initial Command Instructions, note the initial command mode FunctionSet.V = CMD_FS_HORIZONTAL_MODE; FunctionSet.H = CMD_FS_EXTENDED_MODE; FunctionSet.PD = CMD_FS_ACTIVE_MODE; FunctionChar = CreateFunctionChar(); TempControlChar = CMD_TC_TEMP_2; DispControlChar = CMD_DC_NORMAL_MODE; BiasChar = CMD_BI_MUX_48; VopChar = CMD_VOP_7V38; } void NokiaLcd::ShutdownLcd() { FunctionSet.PD = CMD_FS_POWER_DOWN_MODE; ClearLcdMem(); SendFunction( CMD_DC_CLEAR_DISPLAY ); SendFunction( CreateFunctionChar() ); } void NokiaLcd::ClearLcdMem() { Pins[PIN_SCE]->write(0); // Chip Select goes low Pins[PIN_DC]->write(1); // Data/CMD goes high for(int tick = 0; tick <= 503; tick++) LcdSpi->write(0x00); Pins[PIN_SCE]->write(1); // Chip Select goes high } void NokiaLcd::TestLcd(char test_pattern) { Pins[PIN_SCE]->write(0); // Chip Select goes low Pins[PIN_DC]->write(1); // Data/CMD goes high for(int tick = 0; tick <= 503; tick++) LcdSpi->write(test_pattern); // Command gets sent Pins[PIN_SCE]->write(1); // Chip Select goes high } void NokiaLcd::InitLcd() { ResetLcd(); // Redefine the FunctionChar in case it has changed FunctionSet.V = CMD_FS_HORIZONTAL_MODE; FunctionSet.H = CMD_FS_EXTENDED_MODE; FunctionSet.PD = CMD_FS_ACTIVE_MODE; SendFunction( CreateFunctionChar() ); // Extended CMD set SendFunction( VopChar ); // | Vop SendFunction( TempControlChar ); // | Temp SendFunction( BiasChar ); // | Bias FunctionSet.H = CMD_FS_BASIC_MODE; SendFunction( CreateFunctionChar() ); // Basic CMD set SendFunction( DispControlChar ); // | Display Mode ClearLcdMem(); } void NokiaLcd::ResetLcd() { Pins[PIN_RST]->write(0); // Reset goes low Pins[PIN_RST]->write(1); // Reset goes high } char NokiaLcd::CreateFunctionChar() { return ( 0x20 | FunctionSet.PD | FunctionSet.V | FunctionSet.H ); } void NokiaLcd::SendDrawData(char data) { Pins[PIN_SCE]->write(0); // Chip Select goes low Pins[PIN_DC]->write(1); // Data/CMD goes high LcdSpi->write(data); // Command gets sent Pins[PIN_SCE]->write(1); // Chip Select goes high } void NokiaLcd::DrawChar(char character) { for( int i = 0; i < 6; i++) SendDrawData( FONT_6x6[ ((character - 32)*6) + i] ); } void NokiaLcd::SendFunction(char cmd) //TODO:Detection of what H should be { Pins[PIN_SCE]->write(0); // Chip Select goes low Pins[PIN_DC]->write(0); // Data/CMD goes low LcdSpi->write(cmd); // Command gets sent Pins[PIN_DC]->write(1); // Data/CMD goes back to Data mode Pins[PIN_SCE]->write(1); // Chip Select goes high } NokiaLcd::~NokiaLcd() { ShutdownLcd(); }