Basic library for SHARP LCD LS027B4DH01/LS027B7DH01
Dependents: AkiSpiLcd_demo AkiSpiLcd_demo2 LCDRAM AkiSpiLcd_example
AkiSpiLcd.h@17:3b47e5044518, 2015-01-23 (annotated)
- Committer:
- m_wakayama
- Date:
- Fri Jan 23 11:39:54 2015 +0000
- Revision:
- 17:3b47e5044518
- Parent:
- 16:fa277cbcc890
- Child:
- 30:d5c18e268866
screen base address change; remove RAMLINE_BASE; 0x3000 -> 0x4000 (SCREEN1_BASE)
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
k4zuki | 1:57de84d2025c | 1 | /** this is for SHARP LCD LS027B4DH01 |
k4zuki | 2:01979b296ab5 | 2 | * by Kazuki Yamamoto, or _K4ZUKI_ |
k4zuki | 0:b3c8fdd01601 | 3 | */ |
k4zuki | 0:b3c8fdd01601 | 4 | |
k4zuki | 0:b3c8fdd01601 | 5 | #ifndef __AKISPILCD_H__ |
k4zuki | 13:20ba395cbf2a | 6 | #define __AKISPILCD_H__ |
k4zuki | 0:b3c8fdd01601 | 7 | |
k4zuki | 5:7061ce47a359 | 8 | #include "mbed.h" |
k4zuki | 13:20ba395cbf2a | 9 | |
k4zuki | 14:812873f3a933 | 10 | /** \class AkiSpiLcd |
k4zuki | 14:812873f3a933 | 11 | * \brief mbed library for SHARP LCD LS027B4DH01 |
k4zuki | 2:01979b296ab5 | 12 | * |
k4zuki | 2:01979b296ab5 | 13 | * Example: |
k4zuki | 2:01979b296ab5 | 14 | * @code |
k4zuki | 2:01979b296ab5 | 15 | * #include "mbed.h" |
k4zuki | 2:01979b296ab5 | 16 | * #include "AkiSpiLcd.h" |
k4zuki | 2:01979b296ab5 | 17 | * |
k4zuki | 13:20ba395cbf2a | 18 | * AkiSpiLcd LCD(MOSI_, MISO_, SCK_, D2, D5); |
k4zuki | 2:01979b296ab5 | 19 | * extern const uint8_t hogepic[]; |
k4zuki | 2:01979b296ab5 | 20 | * int main() |
k4zuki | 2:01979b296ab5 | 21 | * { |
k4zuki | 10:eed99ef09e63 | 22 | * |
k4zuki | 2:01979b296ab5 | 23 | * wait_ms(1); |
k4zuki | 2:01979b296ab5 | 24 | * LCD.cls(); |
k4zuki | 13:20ba395cbf2a | 25 | * LCD.directUpdateSingle(10,(uint8_t*)(hogepic+2000)); |
k4zuki | 13:20ba395cbf2a | 26 | * LCD.directUpdateMulti(100,(240-100),(uint8_t*)(hogepic)); |
k4zuki | 2:01979b296ab5 | 27 | * |
k4zuki | 2:01979b296ab5 | 28 | * while(1) { |
k4zuki | 2:01979b296ab5 | 29 | * for(int i=0; i<240; i++) { |
k4zuki | 13:20ba395cbf2a | 30 | * LCD.directUpdateMulti(i,(240-i),(uint8_t*)(hogepic)); |
k4zuki | 13:20ba395cbf2a | 31 | * LCD.directUpdateMulti(0,(i),(uint8_t*)(hogepic+50*(240-i))); |
k4zuki | 2:01979b296ab5 | 32 | * } |
k4zuki | 2:01979b296ab5 | 33 | * } |
k4zuki | 2:01979b296ab5 | 34 | * } |
k4zuki | 2:01979b296ab5 | 35 | * @endcode |
k4zuki | 2:01979b296ab5 | 36 | */ |
k4zuki | 14:812873f3a933 | 37 | |
k4zuki | 14:812873f3a933 | 38 | #define SCREEN0 0 |
k4zuki | 14:812873f3a933 | 39 | #define SCREEN1 1 |
k4zuki | 14:812873f3a933 | 40 | #define LINE_LENGTH 50 |
k4zuki | 14:812873f3a933 | 41 | #define RAMLINE_LENGTH 52 |
k4zuki | 14:812873f3a933 | 42 | |
k4zuki | 14:812873f3a933 | 43 | const uint8_t lcd_line[256]= { |
k4zuki | 14:812873f3a933 | 44 | 0x00, |
k4zuki | 14:812873f3a933 | 45 | 0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,0x08, |
k4zuki | 14:812873f3a933 | 46 | 0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,0x04, |
k4zuki | 14:812873f3a933 | 47 | 0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,0x0C, |
k4zuki | 14:812873f3a933 | 48 | 0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,0x02, |
k4zuki | 14:812873f3a933 | 49 | 0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,0x0A, |
k4zuki | 14:812873f3a933 | 50 | 0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,0x06, |
k4zuki | 14:812873f3a933 | 51 | 0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,0x0E, |
k4zuki | 14:812873f3a933 | 52 | 0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,0x01, |
k4zuki | 14:812873f3a933 | 53 | 0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,0x09, |
k4zuki | 14:812873f3a933 | 54 | 0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,0x05, |
k4zuki | 14:812873f3a933 | 55 | 0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,0x0D, |
k4zuki | 14:812873f3a933 | 56 | 0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,0x03, |
k4zuki | 14:812873f3a933 | 57 | 0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,0x0B, |
k4zuki | 14:812873f3a933 | 58 | 0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,0x07, |
k4zuki | 14:812873f3a933 | 59 | 0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,0x0F, |
k4zuki | 14:812873f3a933 | 60 | }; |
k4zuki | 14:812873f3a933 | 61 | |
k4zuki | 0:b3c8fdd01601 | 62 | class AkiSpiLcd |
k4zuki | 0:b3c8fdd01601 | 63 | { |
k4zuki | 0:b3c8fdd01601 | 64 | public: |
k4zuki | 14:812873f3a933 | 65 | /** \enum BASE_ADDR |
k4zuki | 14:812873f3a933 | 66 | \brief base address list for 23K256 |
k4zuki | 14:812873f3a933 | 67 | @param SCREEN0_BASE = 0x0000, |
k4zuki | 14:812873f3a933 | 68 | @param SCREEN1_BASE = 0x3000, |
k4zuki | 14:812873f3a933 | 69 | @param RAMLINE_BASE = 0x6000, |
k4zuki | 14:812873f3a933 | 70 | */ |
k4zuki | 10:eed99ef09e63 | 71 | enum BASE_ADDR { |
k4zuki | 10:eed99ef09e63 | 72 | SCREEN0_BASE = 0x0000, |
m_wakayama | 17:3b47e5044518 | 73 | SCREEN1_BASE = 0x4000, |
m_wakayama | 17:3b47e5044518 | 74 | // RAMLINE_BASE = 0x7000, |
k4zuki | 10:eed99ef09e63 | 75 | }; |
k4zuki | 10:eed99ef09e63 | 76 | |
k4zuki | 0:b3c8fdd01601 | 77 | /** Constructor |
k4zuki | 14:812873f3a933 | 78 | * @param mosi SPI data output from mbed |
k4zuki | 14:812873f3a933 | 79 | * @param mosi SPI data input from slave |
k4zuki | 14:812873f3a933 | 80 | * @param sck SPI clock output from mbed |
k4zuki | 14:812873f3a933 | 81 | * @param csl HIGH-active chip select input for LCD |
k4zuki | 14:812873f3a933 | 82 | * @param csr LOW-active chip select input for SRAM |
k4zuki | 0:b3c8fdd01601 | 83 | */ |
k4zuki | 4:844693a617dc | 84 | AkiSpiLcd(PinName mosi, PinName miso, PinName sck, PinName csl, PinName csr); |
k4zuki | 0:b3c8fdd01601 | 85 | |
k4zuki | 0:b3c8fdd01601 | 86 | /** Clear screen |
k4zuki | 0:b3c8fdd01601 | 87 | */ |
k4zuki | 0:b3c8fdd01601 | 88 | void cls(); |
k4zuki | 0:b3c8fdd01601 | 89 | |
k4zuki | 13:20ba395cbf2a | 90 | /** Clear screen of SRAM |
k4zuki | 14:812873f3a933 | 91 | * @param screen screen number (0 or 1) |
k4zuki | 12:30b31d87a30e | 92 | */ |
k4zuki | 13:20ba395cbf2a | 93 | void cls_ram( int screen ); |
k4zuki | 14:812873f3a933 | 94 | |
k4zuki | 14:812873f3a933 | 95 | /** place a dot pixel |
k4zuki | 14:812873f3a933 | 96 | * @param x x position |
k4zuki | 14:812873f3a933 | 97 | * @param y y position |
k4zuki | 14:812873f3a933 | 98 | */ |
k4zuki | 14:812873f3a933 | 99 | // virtual void pixel(int x, int y, int colour); |
k4zuki | 14:812873f3a933 | 100 | // virtual int width() = 0; |
k4zuki | 14:812873f3a933 | 101 | // virtual int height() = 0; |
k4zuki | 13:20ba395cbf2a | 102 | |
k4zuki | 0:b3c8fdd01601 | 103 | /** Writes single line(400 bits = 50 bytes) |
k4zuki | 0:b3c8fdd01601 | 104 | * @param line line number(1-240) |
k4zuki | 0:b3c8fdd01601 | 105 | * @param *data pointer to data |
k4zuki | 0:b3c8fdd01601 | 106 | */ |
k4zuki | 3:f835b8daf9a0 | 107 | void directUpdateSingle(int line, uint8_t* data); |
k4zuki | 0:b3c8fdd01601 | 108 | |
k4zuki | 0:b3c8fdd01601 | 109 | /** Writes multi lines(400 x N bits = 50 x N bytes) |
k4zuki | 0:b3c8fdd01601 | 110 | * @param line line number(1-240) |
k4zuki | 0:b3c8fdd01601 | 111 | * @param length number of line to write |
k4zuki | 0:b3c8fdd01601 | 112 | * @param *data pointer to data |
k4zuki | 0:b3c8fdd01601 | 113 | */ |
k4zuki | 4:844693a617dc | 114 | void directUpdateMulti(int startline, int length, uint8_t* data); |
k4zuki | 0:b3c8fdd01601 | 115 | |
k4zuki | 0:b3c8fdd01601 | 116 | /** Inverting internal COM signal |
k4zuki | 0:b3c8fdd01601 | 117 | */ |
k4zuki | 0:b3c8fdd01601 | 118 | void cominvert(); |
k4zuki | 10:eed99ef09e63 | 119 | |
k4zuki | 13:20ba395cbf2a | 120 | /** Reads single line (400 bits = 50 bytes) from a screen and writes into buffer |
k4zuki | 13:20ba395cbf2a | 121 | * @param line line number(1-240) |
k4zuki | 13:20ba395cbf2a | 122 | * @param buffer pointer to buffer(50 bytes) |
k4zuki | 13:20ba395cbf2a | 123 | * @param screen screen to read from(0 or 1) |
k4zuki | 4:844693a617dc | 124 | */ |
k4zuki | 14:812873f3a933 | 125 | void ramReadSingleLine(int line, uint8_t* buffer, int screen); |
k4zuki | 4:844693a617dc | 126 | |
k4zuki | 4:844693a617dc | 127 | /** Reads multi lines(400 x N bits = 50 x N bytes) from a screen |
k4zuki | 13:20ba395cbf2a | 128 | * @param startline starting line number(1-240) |
k4zuki | 13:20ba395cbf2a | 129 | * @param length number of line to read |
k4zuki | 13:20ba395cbf2a | 130 | * @param *buffer pointer to buffer |
k4zuki | 13:20ba395cbf2a | 131 | * @param screen screen to read from(0 or 1) |
k4zuki | 4:844693a617dc | 132 | */ |
k4zuki | 14:812873f3a933 | 133 | void ramReadMultiLine(int startline, int length, uint8_t* buffer, int screen); |
k4zuki | 10:eed99ef09e63 | 134 | |
k4zuki | 4:844693a617dc | 135 | /** Writes single line (400 bits = 50 bytes) into a screen |
k4zuki | 13:20ba395cbf2a | 136 | * @param line line number(1-240) |
k4zuki | 13:20ba395cbf2a | 137 | * @param *data pointer to data to write(50 bytes) |
k4zuki | 13:20ba395cbf2a | 138 | * @param screen screen to read from(0 or 1) |
k4zuki | 3:f835b8daf9a0 | 139 | */ |
k4zuki | 14:812873f3a933 | 140 | void ramWriteSingleLine(int line, uint8_t* data, int screen); |
k4zuki | 4:844693a617dc | 141 | |
k4zuki | 4:844693a617dc | 142 | /** Writes multi lines(400 x N bits = 50 x N bytes) into a screen |
k4zuki | 13:20ba395cbf2a | 143 | * @param startline starting line number(1-240) |
k4zuki | 13:20ba395cbf2a | 144 | * @param length number of line to read |
k4zuki | 13:20ba395cbf2a | 145 | * @param *data pointer to data to write |
k4zuki | 13:20ba395cbf2a | 146 | * @param screen screen to read from(0 or 1) |
k4zuki | 4:844693a617dc | 147 | */ |
k4zuki | 14:812873f3a933 | 148 | void ramWriteMultiLine(int startline, int length, uint8_t* data, int screen); |
k4zuki | 10:eed99ef09e63 | 149 | |
k4zuki | 4:844693a617dc | 150 | /** copies whole data in screen into LCD |
k4zuki | 16:fa277cbcc890 | 151 | * @param startline starting line number(1-240) |
k4zuki | 16:fa277cbcc890 | 152 | * @param length number of line to read |
k4zuki | 13:20ba395cbf2a | 153 | * @param screen screen to copy (0 or 1) |
k4zuki | 4:844693a617dc | 154 | */ |
k4zuki | 7:0c85f23a6568 | 155 | void ram2lcd(int startline, int length, int screen); |
k4zuki | 0:b3c8fdd01601 | 156 | |
k4zuki | 16:fa277cbcc890 | 157 | /** copies whole data in screen into LCD |
k4zuki | 16:fa277cbcc890 | 158 | * @param screen screen to copy (0 or 1) |
k4zuki | 16:fa277cbcc890 | 159 | */ |
k4zuki | 16:fa277cbcc890 | 160 | void ram2lcd(int screen); |
k4zuki | 16:fa277cbcc890 | 161 | |
k4zuki | 13:20ba395cbf2a | 162 | /** read a byte from SRAM (copied from Ser23K256) |
k4zuki | 10:eed99ef09e63 | 163 | * @param address The address to read from |
k4zuki | 14:812873f3a933 | 164 | * @return the character at that address |
k4zuki | 10:eed99ef09e63 | 165 | */ |
k4zuki | 9:33d5888d1fb9 | 166 | uint8_t ram_read(int address); |
k4zuki | 14:812873f3a933 | 167 | |
k4zuki | 13:20ba395cbf2a | 168 | /** read multiple bytes from SRAM into a buffer (copied from Ser23K256) |
k4zuki | 10:eed99ef09e63 | 169 | * @param address The SRAM address to read from |
k4zuki | 10:eed99ef09e63 | 170 | * @param buffer The buffer to read into (must be big enough!) |
k4zuki | 10:eed99ef09e63 | 171 | * @param count The number of bytes to read |
k4zuki | 10:eed99ef09e63 | 172 | */ |
k4zuki | 9:33d5888d1fb9 | 173 | void ram_read(int address, uint8_t * buffer, int count); |
k4zuki | 14:812873f3a933 | 174 | |
k4zuki | 13:20ba395cbf2a | 175 | /** write a byte to SRAM (copied from Ser23K256) |
k4zuki | 14:812873f3a933 | 176 | * @param address The SRAM address to write to |
k4zuki | 10:eed99ef09e63 | 177 | * @param byte The byte to write there |
k4zuki | 10:eed99ef09e63 | 178 | */ |
k4zuki | 9:33d5888d1fb9 | 179 | void ram_write(int address, uint8_t byte); |
k4zuki | 14:812873f3a933 | 180 | |
k4zuki | 13:20ba395cbf2a | 181 | /** write multiple bytes to SRAM from a buffer (copied from Ser23K256) |
k4zuki | 10:eed99ef09e63 | 182 | * @param address The SRAM address write to |
k4zuki | 10:eed99ef09e63 | 183 | * @param buffer The buffer to write from |
k4zuki | 10:eed99ef09e63 | 184 | * @param count The number of bytes to write |
k4zuki | 10:eed99ef09e63 | 185 | */ |
k4zuki | 9:33d5888d1fb9 | 186 | void ram_write(int address, uint8_t * buffer, int count); |
k4zuki | 9:33d5888d1fb9 | 187 | |
k4zuki | 0:b3c8fdd01601 | 188 | private: |
k4zuki | 9:33d5888d1fb9 | 189 | // Ser23K256 _ram; |
k4zuki | 14:812873f3a933 | 190 | |
k4zuki | 14:812873f3a933 | 191 | enum MODE { |
k4zuki | 14:812873f3a933 | 192 | BYTE_MODE = 0x00, |
k4zuki | 14:812873f3a933 | 193 | SEQUENTIAL_MODE = 0x40 |
k4zuki | 14:812873f3a933 | 194 | }; |
k4zuki | 14:812873f3a933 | 195 | |
k4zuki | 14:812873f3a933 | 196 | enum COMMAND { |
k4zuki | 14:812873f3a933 | 197 | READ = 0x03, |
k4zuki | 14:812873f3a933 | 198 | WRITE = 0x02, |
k4zuki | 14:812873f3a933 | 199 | READ_STATUS = 0x05, // called RDSR in datasheet |
k4zuki | 14:812873f3a933 | 200 | WRITE_STATUS = 0x01 // called WRSR in datasheet |
k4zuki | 14:812873f3a933 | 201 | }; |
k4zuki | 14:812873f3a933 | 202 | |
k4zuki | 14:812873f3a933 | 203 | int _comflag; |
k4zuki | 14:812873f3a933 | 204 | int _modeflag; |
k4zuki | 14:812873f3a933 | 205 | int _clearflag; |
k4zuki | 0:b3c8fdd01601 | 206 | SPI _spi; |
k4zuki | 3:f835b8daf9a0 | 207 | DigitalOut _csl; |
k4zuki | 3:f835b8daf9a0 | 208 | DigitalOut _csr; |
k4zuki | 9:33d5888d1fb9 | 209 | |
k4zuki | 14:812873f3a933 | 210 | void _cls_ram( int address ); |
k4zuki | 9:33d5888d1fb9 | 211 | uint8_t ram_readStatus(); |
k4zuki | 14:812873f3a933 | 212 | void _ram_writeStatus(uint8_t status); |
k4zuki | 14:812873f3a933 | 213 | void _ram_prepareCommand(uint8_t command, int address); |
k4zuki | 14:812873f3a933 | 214 | void _ram_select(); |
k4zuki | 14:812873f3a933 | 215 | void _ram_deselect(); |
k4zuki | 0:b3c8fdd01601 | 216 | }; |
k4zuki | 0:b3c8fdd01601 | 217 | #endif |