Basic library for SHARP LCD LS027B4DH01/LS027B7DH01
Dependents: AkiSpiLcd_demo AkiSpiLcd_demo2 LCDRAM AkiSpiLcd_example
AkiSpiLcd.h
- Committer:
- Kazuki Yamamoto
- Date:
- 2016-10-19
- Revision:
- 30:d5c18e268866
- Parent:
- 17:3b47e5044518
- Child:
- 31:7c7faf88edcc
File content as of revision 30:d5c18e268866:
/** this is for SHARP LCD LS027B4DH01 * by Kazuki Yamamoto, or _K4ZUKI_ */ #ifndef __AKISPILCD_H__ #define __AKISPILCD_H__ #include "mbed.h" /** \class AkiSpiLcd * \brief mbed library for SHARP LCD LS027B4DH01 * * Example: * @code * #include "mbed.h" * #include "AkiSpiLcd.h" * * AkiSpiLcd LCD(MOSI_, MISO_, SCK_, D2, D5); * extern const uint8_t hogepic[]; * int main() * { * * wait_ms(1); * LCD.cls(); * LCD.directUpdateSingle(10,(uint8_t*)(hogepic+2000)); * LCD.directUpdateMulti(100,(240-100),(uint8_t*)(hogepic)); * * while(1) { * for(int i=0; i<240; i++) { * LCD.directUpdateMulti(i,(240-i),(uint8_t*)(hogepic)); * LCD.directUpdateMulti(0,(i),(uint8_t*)(hogepic+50*(240-i))); * } * } * } * @endcode */ #define SCREEN0 0 #define SCREEN1 1 #define LINE_LENGTH 50 #define RAMLINE_LENGTH 52 const uint8_t lcd_line[256] = { 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0, 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8, 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4, 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC, 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2, 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA, 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6, 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE, 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1, 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9, 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5, 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD, 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3, 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB, 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7, 0x0F, }; class AkiSpiLcd { public: /** \enum BASE_ADDR \brief base address list for 23K256 @param SCREEN0_BASE = 0x0000, @param SCREEN1_BASE = 0x3000, @param RAMLINE_BASE = 0x6000, */ enum BASE_ADDR { SCREEN0_BASE = 0x0000, SCREEN1_BASE = 0x4000, // RAMLINE_BASE = 0x7000, }; /** Constructor * @param mosi SPI data output from mbed * @param mosi SPI data input from slave * @param sck SPI clock output from mbed * @param csl HIGH-active chip select input for LCD * @param csr LOW-active chip select input for SRAM */ AkiSpiLcd(PinName mosi, PinName miso, PinName sck, PinName csl, PinName csr); /** Clear screen */ void cls(); /** Clear screen of SRAM * @param screen screen number (0 or 1) */ void cls_ram(int screen); /** place a dot pixel * @param x x position * @param y y position */ // virtual void pixel(int x, int y, int colour); // virtual int width() = 0; // virtual int height() = 0; /** Writes single line(400 bits = 50 bytes) * @param line line number(1-240) * @param *data pointer to data */ void directUpdateSingle(int line, uint8_t *data); /** Writes multi lines(400 x N bits = 50 x N bytes) * @param line line number(1-240) * @param length number of line to write * @param *data pointer to data */ void directUpdateMulti(int startline, int length, uint8_t *data); /** Inverting internal COM signal */ void cominvert(); /** Reads single line (400 bits = 50 bytes) from a screen and writes into * buffer * @param line line number(1-240) * @param buffer pointer to buffer(50 bytes) * @param screen screen to read from(0 or 1) */ void ramReadSingleLine(int line, uint8_t *buffer, int screen); /** Reads multi lines(400 x N bits = 50 x N bytes) from a screen * @param startline starting line number(1-240) * @param length number of line to read * @param *buffer pointer to buffer * @param screen screen to read from(0 or 1) */ void ramReadMultiLine(int startline, int length, uint8_t *buffer, int screen); /** Writes single line (400 bits = 50 bytes) into a screen * @param line line number(1-240) * @param *data pointer to data to write(50 bytes) * @param screen screen to read from(0 or 1) */ void ramWriteSingleLine(int line, uint8_t *data, int screen); /** Writes multi lines(400 x N bits = 50 x N bytes) into a screen * @param startline starting line number(1-240) * @param length number of line to read * @param *data pointer to data to write * @param screen screen to read from(0 or 1) */ void ramWriteMultiLine(int startline, int length, uint8_t *data, int screen); /** copies whole data in screen into LCD * @param startline starting line number(1-240) * @param length number of line to read * @param screen screen to copy (0 or 1) */ void ram2lcd(int startline, int length, int screen); /** copies whole data in screen into LCD * @param screen screen to copy (0 or 1) */ void ram2lcd(int screen); /** read a byte from SRAM (copied from Ser23K256) * @param address The address to read from * @return the character at that address */ uint8_t ram_read(int address); /** read multiple bytes from SRAM into a buffer (copied from Ser23K256) * @param address The SRAM address to read from * @param buffer The buffer to read into (must be big enough!) * @param count The number of bytes to read */ void ram_read(int address, uint8_t *buffer, int count); /** write a byte to SRAM (copied from Ser23K256) * @param address The SRAM address to write to * @param byte The byte to write there */ void ram_write(int address, uint8_t byte); /** write multiple bytes to SRAM from a buffer (copied from Ser23K256) * @param address The SRAM address write to * @param buffer The buffer to write from * @param count The number of bytes to write */ void ram_write(int address, uint8_t *buffer, int count); private: // Ser23K256 _ram; enum MODE { BYTE_MODE = 0x00, SEQUENTIAL_MODE = 0x40 }; enum COMMAND { READ = 0x03, WRITE = 0x02, READ_STATUS = 0x05, // called RDSR in datasheet WRITE_STATUS = 0x01 // called WRSR in datasheet }; int _comflag; int _modeflag; int _clearflag; SPI _spi; DigitalOut _csl; DigitalOut _csr; void _cls_ram(int address); uint8_t ram_readStatus(); void _ram_writeStatus(uint8_t status); void _ram_prepareCommand(uint8_t command, int address); void _ram_select(); void _ram_deselect(); }; #endif