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
Revision 1:e25ab356dc9b, committed 2012-01-16
- Comitter:
- Fuzball
- Date:
- Mon Jan 16 19:51:19 2012 +0000
- Child:
- 2:e448efb1fa68
- Commit message:
- Forgot to change the project\'s title :3;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NOKIA_5110.cpp Mon Jan 16 19:51:19 2012 +0000 @@ -0,0 +1,128 @@ +// 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(); +}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NOKIA_5110.h Mon Jan 16 19:51:19 2012 +0000 @@ -0,0 +1,223 @@ +// Project: Nokia5110 - Controlling a NK5110 display from an NXP LPC1768 +// File: NOKIA_5110.h +// Author: Chris Yan +// Created: January, 2012 +// Revised: +// Desc: Commands, fonts, and class for using a +// Nokia 5110 LCD via the Phillips 8554 LCD driver. +// +// Typical Usage: User must fill the LcdPins struct with the pinout used to control the LCD and +// instantiate the NokiaLcd class - passing the created LcdPins struct to the constructor. +// The class function NokiaLcd::InitLcd may then be called to reset and start the LCD driver. +// A simple 6x6 font (6x8 in LCD space and ~5x5 character space) is included to facilitate +// the NokiaLcd::DrawChar( char character ) function, which will copy the character 8 bits +// at a time for 6 clock cycles. +// Commands may be sent to the LCD via the NokiaLcd::SendFunction(char cmd) +// function, but be aware that certain commands require the Function Set register's H-value +// to be either 1 or 0, depending on the command. This class does not check to see whether +// the H-value is of proper status. The Function Set register /may/ be changed via the +// NokiaLcd::SendFunction(char cmd), but the code uses this internally and expects that +// most function registers have not been changed by the user. +// +// Example: +// #include "mbed.h" +// #include "NOKIA_5110.h" +// +// int main() { +// LcdPins myLcdPins = { p11, NC, p13, p10, p8, p9 }; +// NokiaLcd myLcd( myLcdPins ); // SPI is started here (8-bits, mode 1) +// myLcd.InitLcd(); // LCD is reset and DDRAM is cleared +// myLcd.TestLcd( 0xAA ); // Draws a vertical pattern where every other pixel is on +// wait(10); +// myLcd.ShutdownLcd(); // Clears the LCD's DDRAM and powers it down via CMD_FS_POWER_DOWN_MODE, H=0 +// while(1) +// { }; +// } + +// Command Instructions +// H = 0 +#define CMD_DC_CLEAR_DISPLAY 0x08 +#define CMD_DC_NORMAL_MODE 0x0C +#define CMD_DC_FILL_DISPLAY 0x09 +#define CMD_DC_INVERT_VIDEO 0x0D +#define CMD_FS_HORIZONTAL_MODE 0x00 +#define CMD_FS_VERTICAL_MODE 0x02 +#define CMD_FS_BASIC_MODE 0x00 +#define CMD_FS_EXTENDED_MODE 0x01 +#define CMD_FS_ACTIVE_MODE 0x00 +#define CMD_FS_POWER_DOWN_MODE 0x04 +// H = 1 +#define CMD_TC_TEMP_0 0x04 +#define CMD_TC_TEMP_1 0x05 +#define CMD_TC_TEMP_2 0x06 +#define CMD_TC_TEMP_3 0x07 +#define CMD_BI_MUX_24 0x15 +#define CMD_BI_MUX_48 0x13 +#define CMD_BI_MUX_100 0x10 +#define CMD_VOP_6V06 0xB2 +#define CMD_VOP_7V38 0xC8 + +// LCD Characteristics +#define LCD_FREQ 4000000 +#define LCD_SPI_MODE 0x01 +#define LCD_SPI_BITS 0x08 + +#define PIN_RST 0x00 +#define PIN_SCE 0x01 +#define PIN_DC 0x02 + +#include "mbed.h" + +struct LcdPins +{ + PinName mosi; + PinName miso; + PinName sclk; + PinName dc; + PinName sce; + PinName rst; +}; + +struct LcdFunctionSet +{ + char PD; + char V; + char H; +}; + +typedef char LcdFunctionChar; +typedef char LcdTempControl; +typedef char LcdDispControl; +typedef char LcdBiasChar; +typedef char LcdVopChar; + +class NokiaLcd +{ + public: + NokiaLcd(LcdPins lcd_pinout); + ~NokiaLcd(); + + public: + void InitLcd(); + void ClearLcdMem(); + void ShutdownLcd(); + void SendFunction(char cmd); + + void TestLcd(char test_pattern); + void DrawChar(char character); + void SendDrawData(char data); + + private: + char CreateFunctionChar(); + void ResetLcd(); + + private: + LcdFunctionChar FunctionChar; + LcdTempControl TempControlChar; + LcdDispControl DispControlChar; + LcdFunctionSet FunctionSet; + LcdBiasChar BiasChar; + LcdVopChar VopChar; + DigitalOut** Pins; + SPI* LcdSpi; + +}; + +const char FONT_6x6[570] = //should be 564 total char +{ + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // SPACE 1 + 0x00, 0x06, 0x2F, 0x06, 0x00, 0x00, // ! 2 + 0x00, 0x06, 0x00, 0x06, 0x00, 0x00, // " 3 + 0x14, 0x3E, 0x14, 0x3E, 0x14, 0x00, // # 4 + 0x2E, 0x2A, 0x3F, 0x2A, 0x3A, 0x00, // $ 5 + 0x26, 0x16, 0x08, 0x34, 0x32, 0x00, // % 6 + 0x34, 0x2A, 0x3C, 0x18, 0x28, 0x00, // & 7 + 0x00, 0x06, 0x00, 0x00, 0x00, 0x00, // ' 8 + 0x00, 0x00, 0x1C, 0x36, 0x22, 0x00, // ( 9 + 0x22, 0x36, 0x1C, 0x00, 0x00, 0x00, // ) 10 + 0x24, 0x18, 0x0E, 0x18, 0x24, 0x00, // * 11 + 0x08, 0x08, 0x3E, 0x08, 0x08, 0x00, // + 12 + 0x20, 0x30, 0x00, 0x00, 0x00, 0x00, // , 13 + 0x08, 0x08, 0x08, 0x08, 0x08, 0x00, // - 14 + 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, // . 15 + 0x30, 0x18, 0x0C, 0x06, 0x00, 0x00, // / 16 + 0x00, 0x1C, 0x22, 0x22, 0x1C, 0x00, // 0 17 + 0x00, 0x24, 0x3E, 0x20, 0x00, 0x00, // 1 18 + 0x3A, 0x2A, 0x2A, 0x2A, 0x2E, 0x00, // 2 19 + 0x22, 0x2A, 0x2A, 0x2A, 0x3E, 0x00, // 3 20 + 0x0E, 0x08, 0x08, 0x3E, 0x08, 0x00, // 4 21 + 0x2E, 0x2A, 0x2A, 0x2A, 0x3A, 0x00, // 5 22 + 0x3E, 0x2A, 0x2A, 0x2A, 0x3A, 0x00, // 6 23 + 0x22, 0x12, 0x0A, 0x06, 0x02, 0x00, // 7 24 + 0x3E, 0x2A, 0x2A, 0x2A, 0x3E, 0x00, // 8 25 + 0x00, 0x2E, 0x2A, 0x2A, 0x3E, 0x00, // 9 26 + 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, // : 27 + 0x00, 0x20, 0x14, 0x00, 0x00, 0x00, // ; 28 + 0x00, 0x00, 0x08, 0x14, 0x22, 0x00, // < 29 + 0x14, 0x14, 0x14, 0x14, 0x14, 0x00, // = 30 + 0x22, 0x14, 0x08, 0x00, 0x00, 0x00, // > 31 + 0x06, 0x01, 0x2D, 0x06, 0x00, 0x00, // ? 32 + 0x1E, 0x23, 0x19, 0x35, 0x3E, 0x00, // @ 33 + 0x3C, 0x0A, 0x0A, 0x0A, 0x3C, 0x00, // A 34 + 0x3E, 0x2A, 0x2A, 0x2A, 0x1C, 0x00, // B 35 + 0x1C, 0x22, 0x22, 0x22, 0x22, 0x00, // C 36 + 0x3E, 0x22, 0x22, 0x22, 0x1C, 0x00, // D 37 + 0x3E, 0x2A, 0x2A, 0x2A, 0x22, 0x00, // E 38 + 0x3E, 0x0A, 0x0A, 0x0A, 0x02, 0x00, // F 39 + 0x1C, 0x22, 0x2A, 0x2A, 0x18, 0x00, // G 40 + 0x3E, 0x08, 0x08, 0x08, 0x3E, 0x00, // H + 0x22, 0x22, 0x3E, 0x22, 0x22, 0x00, // I + 0x10, 0x22, 0x22, 0x1E, 0x02, 0x00, // J + 0x3E, 0x08, 0x14, 0x22, 0x00, 0x00, // K + 0x00, 0x3E, 0x20, 0x20, 0x20, 0x00, // L 45 + 0x3E, 0x04, 0x08, 0x04, 0x3E, 0x00, // M + 0x3C, 0x02, 0x02, 0x02, 0x3C, 0x00, // N + 0x1C, 0x22, 0x22, 0x22, 0x1C, 0x00, // O + 0x3E, 0x0A, 0x0A, 0x04, 0x00, 0x00, // P + 0x1C, 0x22, 0x32, 0x3C, 0x20, 0x00, // Q 50 + 0x3E, 0x0A, 0x0A, 0x1A, 0x24, 0x00, // R + 0x24, 0x2A, 0x2A, 0x2A, 0x12, 0x00, // S + 0x02, 0x02, 0x3E, 0x02, 0x02, 0x00, // T + 0x1E, 0x20, 0x20, 0x20, 0x1E, 0x00, // U + 0x06, 0x18, 0x20, 0x18, 0x06, 0x00, // V 55 + 0x0E, 0x30, 0x18, 0x30, 0x0E, 0x00, // W + 0x22, 0x14, 0x08, 0x14, 0x22, 0x00, // X + 0x02, 0x04, 0x38, 0x04, 0x02, 0x00, // Y + 0x22, 0x32, 0x2A, 0x26, 0x22, 0x00, // Z + 0x00, 0x00, 0x00, 0x3E, 0x22, 0x00, // [ 60 + 0x06, 0x0C, 0x18, 0x30, 0x00, 0x00, // backslash + 0x22, 0x3E, 0x00, 0x00, 0x00, 0x00, // ] + 0x00, 0x04, 0x02, 0x02, 0x04, 0x00, // ^ + 0x20, 0x20, 0x20, 0x20, 0x20, 0x00, // _ + 0x00, 0x00, 0x04, 0x08, 0x00, 0x00, // ` 65 + 0x18, 0x24, 0x14, 0x38, 0x00, 0x00, // a + 0x1E, 0x28, 0x28, 0x10, 0x00, 0x00, // b + 0x18, 0x24, 0x24, 0x00, 0x00, 0x00, // c + 0x10, 0x28, 0x28, 0x1E, 0x00, 0x00, // d + 0x18, 0x2C, 0x2C, 0x08, 0x00, 0x00, // e 70 + 0x00, 0x3C, 0x12, 0x04, 0x00, 0x00, // f + 0x24, 0x2A, 0x1E, 0x00, 0x00, 0x00, // g + 0x3E, 0x08, 0x30, 0x00, 0x00, 0x00, // h + 0x00, 0x3A, 0x00, 0x00, 0x00, 0x00, // i + 0x10, 0x20, 0x1A, 0x00, 0x00, 0x00, // j 75 + 0x3E, 0x10, 0x2C, 0x20, 0x00, 0x00, // k + 0x00, 0x3E, 0x00, 0x00, 0x00, 0x00, // l + 0x38, 0x08, 0x18, 0x08, 0x30, 0x00, // m + 0x30, 0x08, 0x08, 0x30, 0x00, 0x00, // n + 0x10, 0x28, 0x28, 0x10, 0x00, 0x00, // o 80 + 0x38, 0x14, 0x14, 0x08, 0x00, 0x00, // p + 0x08, 0x14, 0x14, 0x38, 0x00, 0x00, // q + 0x3C, 0x08, 0x04, 0x00, 0x00, 0x00, // r + 0x2C, 0x34, 0x00, 0x00, 0x00, 0x00, // s + 0x08, 0x3C, 0x28, 0x00, 0x00, 0x00, // t 85 + 0x18, 0x20, 0x20, 0x18, 0x00, 0x00, // u + 0x08, 0x10, 0x20, 0x10, 0x08, 0x00, // v + 0x18, 0x20, 0x10, 0x20, 0x18, 0x00, // w + 0x28, 0x10, 0x28, 0x00, 0x00, 0x00, // x + 0x2C, 0x30, 0x1C, 0x00, 0x00, 0x00, // y 90 + 0x24, 0x34, 0x2C, 0x24, 0x00, 0x00, // z + 0x00, 0x00, 0x08, 0x3E, 0x22, 0x00, // { + 0x00, 0x00, 0x3E, 0x00, 0x00, 0x00, // | + 0x22, 0x3E, 0x08, 0x00, 0x00, 0x00, // } + 0x10, 0x08, 0x18, 0x10, 0x08, 0x00, // ~ 95 +};
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Mon Jan 16 19:51:19 2012 +0000 @@ -0,0 +1,40 @@ +// Project: Nokia5110 - Controlling a NK5110 display from an NXP LPC1768 +// File: main.cpp +// Author: Chris Yan +// Created: January, 2012 +// Revised: +// Desc: A basic LCD output test which uses the NXP LPC1768's SPI interface to +// display pixels, characters, and numbers on the Nokia 5110 LCD. +// Created using a sparkfun breakout board with integrated Phillips 8544 driver +// for 48x84 LCDs. + +#include "mbed.h" +#include "NOKIA_5110.h" + +int main() +{ + // Init the data structures and NokiaLcd class + LcdPins myPins; + myPins.sce = p8; + myPins.rst = p9; + myPins.dc = p10; + myPins.mosi = p11; + myPins.miso = NC; + myPins.sclk = p13; + + NokiaLcd myLcd( myPins ); + + // Start the LCD + myLcd.InitLcd(); + + // Draw a test pattern on the LCD and stall for 15 seconds + myLcd.TestLcd( 0xAA ); + wait( 15 ); + + // Turn off the LCD and enter an endless loop + myLcd.ShutdownLcd(); + while( 1 ) + { + //dance + } +} \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.lib Mon Jan 16 19:51:19 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/projects/libraries/svn/mbed/trunk@35 \ No newline at end of file