Basic library for SHARP LCD LS027B4DH01/LS027B7DH01
Dependents: AkiSpiLcd_demo AkiSpiLcd_demo2 LCDRAM AkiSpiLcd_example
AkiSpiLcd.h@30:d5c18e268866, 2016-10-19 (annotated)
- Committer:
- Kazuki Yamamoto
- Date:
- Wed Oct 19 22:26:33 2016 +0900
- Revision:
- 30:d5c18e268866
- Parent:
- 17:3b47e5044518
- Child:
- 31:7c7faf88edcc
apply clang-format formatter
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 | |
Kazuki Yamamoto |
30:d5c18e268866 | 43 | const uint8_t lcd_line[256] = { |
Kazuki Yamamoto |
30:d5c18e268866 | 44 | 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, |
Kazuki Yamamoto |
30:d5c18e268866 | 45 | 0x30, 0xB0, 0x70, 0xF0, 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, |
Kazuki Yamamoto |
30:d5c18e268866 | 46 | 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8, 0x04, 0x84, 0x44, 0xC4, |
Kazuki Yamamoto |
30:d5c18e268866 | 47 | 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4, |
Kazuki Yamamoto |
30:d5c18e268866 | 48 | 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, |
Kazuki Yamamoto |
30:d5c18e268866 | 49 | 0x3C, 0xBC, 0x7C, 0xFC, 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, |
Kazuki Yamamoto |
30:d5c18e268866 | 50 | 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2, 0x0A, 0x8A, 0x4A, 0xCA, |
Kazuki Yamamoto |
30:d5c18e268866 | 51 | 0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA, |
Kazuki Yamamoto |
30:d5c18e268866 | 52 | 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, |
Kazuki Yamamoto |
30:d5c18e268866 | 53 | 0x36, 0xB6, 0x76, 0xF6, 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, |
Kazuki Yamamoto |
30:d5c18e268866 | 54 | 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE, 0x01, 0x81, 0x41, 0xC1, |
Kazuki Yamamoto |
30:d5c18e268866 | 55 | 0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1, |
Kazuki Yamamoto |
30:d5c18e268866 | 56 | 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9, |
Kazuki Yamamoto |
30:d5c18e268866 | 57 | 0x39, 0xB9, 0x79, 0xF9, 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, |
Kazuki Yamamoto |
30:d5c18e268866 | 58 | 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5, 0x0D, 0x8D, 0x4D, 0xCD, |
Kazuki Yamamoto |
30:d5c18e268866 | 59 | 0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD, |
Kazuki Yamamoto |
30:d5c18e268866 | 60 | 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3, |
Kazuki Yamamoto |
30:d5c18e268866 | 61 | 0x33, 0xB3, 0x73, 0xF3, 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, |
Kazuki Yamamoto |
30:d5c18e268866 | 62 | 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB, 0x07, 0x87, 0x47, 0xC7, |
Kazuki Yamamoto |
30:d5c18e268866 | 63 | 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7, |
Kazuki Yamamoto |
30:d5c18e268866 | 64 | 0x0F, |
k4zuki | 14:812873f3a933 | 65 | }; |
k4zuki | 14:812873f3a933 | 66 | |
Kazuki Yamamoto |
30:d5c18e268866 | 67 | class AkiSpiLcd { |
k4zuki | 0:b3c8fdd01601 | 68 | public: |
Kazuki Yamamoto |
30:d5c18e268866 | 69 | /** \enum BASE_ADDR |
Kazuki Yamamoto |
30:d5c18e268866 | 70 | \brief base address list for 23K256 |
Kazuki Yamamoto |
30:d5c18e268866 | 71 | @param SCREEN0_BASE = 0x0000, |
Kazuki Yamamoto |
30:d5c18e268866 | 72 | @param SCREEN1_BASE = 0x3000, |
Kazuki Yamamoto |
30:d5c18e268866 | 73 | @param RAMLINE_BASE = 0x6000, |
Kazuki Yamamoto |
30:d5c18e268866 | 74 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 75 | enum BASE_ADDR { |
Kazuki Yamamoto |
30:d5c18e268866 | 76 | SCREEN0_BASE = 0x0000, |
Kazuki Yamamoto |
30:d5c18e268866 | 77 | SCREEN1_BASE = 0x4000, |
Kazuki Yamamoto |
30:d5c18e268866 | 78 | // RAMLINE_BASE = 0x7000, |
Kazuki Yamamoto |
30:d5c18e268866 | 79 | }; |
k4zuki | 10:eed99ef09e63 | 80 | |
Kazuki Yamamoto |
30:d5c18e268866 | 81 | /** Constructor |
Kazuki Yamamoto |
30:d5c18e268866 | 82 | * @param mosi SPI data output from mbed |
Kazuki Yamamoto |
30:d5c18e268866 | 83 | * @param mosi SPI data input from slave |
Kazuki Yamamoto |
30:d5c18e268866 | 84 | * @param sck SPI clock output from mbed |
Kazuki Yamamoto |
30:d5c18e268866 | 85 | * @param csl HIGH-active chip select input for LCD |
Kazuki Yamamoto |
30:d5c18e268866 | 86 | * @param csr LOW-active chip select input for SRAM |
Kazuki Yamamoto |
30:d5c18e268866 | 87 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 88 | AkiSpiLcd(PinName mosi, PinName miso, PinName sck, PinName csl, PinName csr); |
k4zuki | 0:b3c8fdd01601 | 89 | |
Kazuki Yamamoto |
30:d5c18e268866 | 90 | /** Clear screen |
Kazuki Yamamoto |
30:d5c18e268866 | 91 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 92 | void cls(); |
k4zuki | 0:b3c8fdd01601 | 93 | |
Kazuki Yamamoto |
30:d5c18e268866 | 94 | /** Clear screen of SRAM |
Kazuki Yamamoto |
30:d5c18e268866 | 95 | * @param screen screen number (0 or 1) |
Kazuki Yamamoto |
30:d5c18e268866 | 96 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 97 | void cls_ram(int screen); |
Kazuki Yamamoto |
30:d5c18e268866 | 98 | |
Kazuki Yamamoto |
30:d5c18e268866 | 99 | /** place a dot pixel |
Kazuki Yamamoto |
30:d5c18e268866 | 100 | * @param x x position |
Kazuki Yamamoto |
30:d5c18e268866 | 101 | * @param y y position |
Kazuki Yamamoto |
30:d5c18e268866 | 102 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 103 | // virtual void pixel(int x, int y, int colour); |
Kazuki Yamamoto |
30:d5c18e268866 | 104 | // virtual int width() = 0; |
Kazuki Yamamoto |
30:d5c18e268866 | 105 | // virtual int height() = 0; |
k4zuki | 13:20ba395cbf2a | 106 | |
Kazuki Yamamoto |
30:d5c18e268866 | 107 | /** Writes single line(400 bits = 50 bytes) |
Kazuki Yamamoto |
30:d5c18e268866 | 108 | * @param line line number(1-240) |
Kazuki Yamamoto |
30:d5c18e268866 | 109 | * @param *data pointer to data |
Kazuki Yamamoto |
30:d5c18e268866 | 110 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 111 | void directUpdateSingle(int line, uint8_t *data); |
k4zuki | 0:b3c8fdd01601 | 112 | |
Kazuki Yamamoto |
30:d5c18e268866 | 113 | /** Writes multi lines(400 x N bits = 50 x N bytes) |
Kazuki Yamamoto |
30:d5c18e268866 | 114 | * @param line line number(1-240) |
Kazuki Yamamoto |
30:d5c18e268866 | 115 | * @param length number of line to write |
Kazuki Yamamoto |
30:d5c18e268866 | 116 | * @param *data pointer to data |
Kazuki Yamamoto |
30:d5c18e268866 | 117 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 118 | void directUpdateMulti(int startline, int length, uint8_t *data); |
k4zuki | 0:b3c8fdd01601 | 119 | |
Kazuki Yamamoto |
30:d5c18e268866 | 120 | /** Inverting internal COM signal |
Kazuki Yamamoto |
30:d5c18e268866 | 121 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 122 | void cominvert(); |
k4zuki | 10:eed99ef09e63 | 123 | |
Kazuki Yamamoto |
30:d5c18e268866 | 124 | /** Reads single line (400 bits = 50 bytes) from a screen and writes into |
Kazuki Yamamoto |
30:d5c18e268866 | 125 | * buffer |
Kazuki Yamamoto |
30:d5c18e268866 | 126 | * @param line line number(1-240) |
Kazuki Yamamoto |
30:d5c18e268866 | 127 | * @param buffer pointer to buffer(50 bytes) |
Kazuki Yamamoto |
30:d5c18e268866 | 128 | * @param screen screen to read from(0 or 1) |
Kazuki Yamamoto |
30:d5c18e268866 | 129 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 130 | void ramReadSingleLine(int line, uint8_t *buffer, int screen); |
k4zuki | 10:eed99ef09e63 | 131 | |
Kazuki Yamamoto |
30:d5c18e268866 | 132 | /** Reads multi lines(400 x N bits = 50 x N bytes) from a screen |
Kazuki Yamamoto |
30:d5c18e268866 | 133 | * @param startline starting line number(1-240) |
Kazuki Yamamoto |
30:d5c18e268866 | 134 | * @param length number of line to read |
Kazuki Yamamoto |
30:d5c18e268866 | 135 | * @param *buffer pointer to buffer |
Kazuki Yamamoto |
30:d5c18e268866 | 136 | * @param screen screen to read from(0 or 1) |
Kazuki Yamamoto |
30:d5c18e268866 | 137 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 138 | void ramReadMultiLine(int startline, int length, uint8_t *buffer, int screen); |
k4zuki | 4:844693a617dc | 139 | |
Kazuki Yamamoto |
30:d5c18e268866 | 140 | /** Writes single line (400 bits = 50 bytes) into a screen |
Kazuki Yamamoto |
30:d5c18e268866 | 141 | * @param line line number(1-240) |
Kazuki Yamamoto |
30:d5c18e268866 | 142 | * @param *data pointer to data to write(50 bytes) |
Kazuki Yamamoto |
30:d5c18e268866 | 143 | * @param screen screen to read from(0 or 1) |
Kazuki Yamamoto |
30:d5c18e268866 | 144 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 145 | void ramWriteSingleLine(int line, uint8_t *data, int screen); |
Kazuki Yamamoto |
30:d5c18e268866 | 146 | |
Kazuki Yamamoto |
30:d5c18e268866 | 147 | /** Writes multi lines(400 x N bits = 50 x N bytes) into a screen |
Kazuki Yamamoto |
30:d5c18e268866 | 148 | * @param startline starting line number(1-240) |
Kazuki Yamamoto |
30:d5c18e268866 | 149 | * @param length number of line to read |
Kazuki Yamamoto |
30:d5c18e268866 | 150 | * @param *data pointer to data to write |
Kazuki Yamamoto |
30:d5c18e268866 | 151 | * @param screen screen to read from(0 or 1) |
Kazuki Yamamoto |
30:d5c18e268866 | 152 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 153 | void ramWriteMultiLine(int startline, int length, uint8_t *data, int screen); |
k4zuki | 10:eed99ef09e63 | 154 | |
Kazuki Yamamoto |
30:d5c18e268866 | 155 | /** copies whole data in screen into LCD |
Kazuki Yamamoto |
30:d5c18e268866 | 156 | * @param startline starting line number(1-240) |
Kazuki Yamamoto |
30:d5c18e268866 | 157 | * @param length number of line to read |
Kazuki Yamamoto |
30:d5c18e268866 | 158 | * @param screen screen to copy (0 or 1) |
Kazuki Yamamoto |
30:d5c18e268866 | 159 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 160 | void ram2lcd(int startline, int length, int screen); |
k4zuki | 0:b3c8fdd01601 | 161 | |
Kazuki Yamamoto |
30:d5c18e268866 | 162 | /** copies whole data in screen into LCD |
Kazuki Yamamoto |
30:d5c18e268866 | 163 | * @param screen screen to copy (0 or 1) |
Kazuki Yamamoto |
30:d5c18e268866 | 164 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 165 | void ram2lcd(int screen); |
k4zuki | 16:fa277cbcc890 | 166 | |
Kazuki Yamamoto |
30:d5c18e268866 | 167 | /** read a byte from SRAM (copied from Ser23K256) |
Kazuki Yamamoto |
30:d5c18e268866 | 168 | * @param address The address to read from |
Kazuki Yamamoto |
30:d5c18e268866 | 169 | * @return the character at that address |
Kazuki Yamamoto |
30:d5c18e268866 | 170 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 171 | uint8_t ram_read(int address); |
k4zuki | 14:812873f3a933 | 172 | |
Kazuki Yamamoto |
30:d5c18e268866 | 173 | /** read multiple bytes from SRAM into a buffer (copied from Ser23K256) |
Kazuki Yamamoto |
30:d5c18e268866 | 174 | * @param address The SRAM address to read from |
Kazuki Yamamoto |
30:d5c18e268866 | 175 | * @param buffer The buffer to read into (must be big enough!) |
Kazuki Yamamoto |
30:d5c18e268866 | 176 | * @param count The number of bytes to read |
Kazuki Yamamoto |
30:d5c18e268866 | 177 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 178 | void ram_read(int address, uint8_t *buffer, int count); |
k4zuki | 14:812873f3a933 | 179 | |
Kazuki Yamamoto |
30:d5c18e268866 | 180 | /** write a byte to SRAM (copied from Ser23K256) |
Kazuki Yamamoto |
30:d5c18e268866 | 181 | * @param address The SRAM address to write to |
Kazuki Yamamoto |
30:d5c18e268866 | 182 | * @param byte The byte to write there |
Kazuki Yamamoto |
30:d5c18e268866 | 183 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 184 | void ram_write(int address, uint8_t byte); |
k4zuki | 14:812873f3a933 | 185 | |
Kazuki Yamamoto |
30:d5c18e268866 | 186 | /** write multiple bytes to SRAM from a buffer (copied from Ser23K256) |
Kazuki Yamamoto |
30:d5c18e268866 | 187 | * @param address The SRAM address write to |
Kazuki Yamamoto |
30:d5c18e268866 | 188 | * @param buffer The buffer to write from |
Kazuki Yamamoto |
30:d5c18e268866 | 189 | * @param count The number of bytes to write |
Kazuki Yamamoto |
30:d5c18e268866 | 190 | */ |
Kazuki Yamamoto |
30:d5c18e268866 | 191 | void ram_write(int address, uint8_t *buffer, int count); |
k4zuki | 9:33d5888d1fb9 | 192 | |
k4zuki | 0:b3c8fdd01601 | 193 | private: |
Kazuki Yamamoto |
30:d5c18e268866 | 194 | // Ser23K256 _ram; |
k4zuki | 14:812873f3a933 | 195 | |
Kazuki Yamamoto |
30:d5c18e268866 | 196 | enum MODE { BYTE_MODE = 0x00, SEQUENTIAL_MODE = 0x40 }; |
k4zuki | 14:812873f3a933 | 197 | |
Kazuki Yamamoto |
30:d5c18e268866 | 198 | enum COMMAND { |
Kazuki Yamamoto |
30:d5c18e268866 | 199 | READ = 0x03, |
Kazuki Yamamoto |
30:d5c18e268866 | 200 | WRITE = 0x02, |
Kazuki Yamamoto |
30:d5c18e268866 | 201 | READ_STATUS = 0x05, // called RDSR in datasheet |
Kazuki Yamamoto |
30:d5c18e268866 | 202 | WRITE_STATUS = 0x01 // called WRSR in datasheet |
Kazuki Yamamoto |
30:d5c18e268866 | 203 | }; |
k4zuki | 14:812873f3a933 | 204 | |
Kazuki Yamamoto |
30:d5c18e268866 | 205 | int _comflag; |
Kazuki Yamamoto |
30:d5c18e268866 | 206 | int _modeflag; |
Kazuki Yamamoto |
30:d5c18e268866 | 207 | int _clearflag; |
Kazuki Yamamoto |
30:d5c18e268866 | 208 | SPI _spi; |
Kazuki Yamamoto |
30:d5c18e268866 | 209 | DigitalOut _csl; |
Kazuki Yamamoto |
30:d5c18e268866 | 210 | DigitalOut _csr; |
k4zuki | 9:33d5888d1fb9 | 211 | |
Kazuki Yamamoto |
30:d5c18e268866 | 212 | void _cls_ram(int address); |
Kazuki Yamamoto |
30:d5c18e268866 | 213 | uint8_t ram_readStatus(); |
Kazuki Yamamoto |
30:d5c18e268866 | 214 | void _ram_writeStatus(uint8_t status); |
Kazuki Yamamoto |
30:d5c18e268866 | 215 | void _ram_prepareCommand(uint8_t command, int address); |
Kazuki Yamamoto |
30:d5c18e268866 | 216 | void _ram_select(); |
Kazuki Yamamoto |
30:d5c18e268866 | 217 | void _ram_deselect(); |
k4zuki | 0:b3c8fdd01601 | 218 | }; |
k4zuki | 0:b3c8fdd01601 | 219 | #endif |