Basic library for SHARP LCD LS027B4DH01/LS027B7DH01
Dependents: AkiSpiLcd_demo AkiSpiLcd_demo2 LCDRAM AkiSpiLcd_example
AkiSpiLcd.h@11:16647ecd67ce, 2014-09-26 (annotated)
- Committer:
- k4zuki
- Date:
- Fri Sep 26 13:48:17 2014 +0000
- Revision:
- 11:16647ecd67ce
- Parent:
- 10:eed99ef09e63
- Child:
- 12:30b31d87a30e
ram2lcd fix
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 | 0:b3c8fdd01601 | 6 | #define __AKISPILCD_H |
k4zuki | 0:b3c8fdd01601 | 7 | |
k4zuki | 5:7061ce47a359 | 8 | #include "mbed.h" |
k4zuki | 9:33d5888d1fb9 | 9 | //#include "Ser23K256.h" |
k4zuki | 2:01979b296ab5 | 10 | /** AkiSpiLcd |
k4zuki | 2:01979b296ab5 | 11 | * 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 | 2:01979b296ab5 | 18 | * AkiSpiLcd LCD(MOSI_, 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 | 2:01979b296ab5 | 25 | * LCD.updateSingle(10,(uint8_t*)(hogepic+2000)); |
k4zuki | 2:01979b296ab5 | 26 | * LCD.updateMulti(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 | 2:01979b296ab5 | 30 | * LCD.updateMulti(i,(240-i),(uint8_t*)(hogepic)); |
k4zuki | 2:01979b296ab5 | 31 | * LCD.updateMulti(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 | 10:eed99ef09e63 | 37 | |
k4zuki | 10:eed99ef09e63 | 38 | //#define RAMLINE_BASE 0x6000 |
k4zuki | 10:eed99ef09e63 | 39 | //#define RAMMODE_BASE 0x6100 |
k4zuki | 10:eed99ef09e63 | 40 | //#define SCREEN0_BASE 0x0000 |
k4zuki | 10:eed99ef09e63 | 41 | //#define SCREEN1_BASE 0x3000 |
k4zuki | 9:33d5888d1fb9 | 42 | #define SCREEN0 0 |
k4zuki | 9:33d5888d1fb9 | 43 | #define SCREEN1 1 |
k4zuki | 10:eed99ef09e63 | 44 | |
k4zuki | 11:16647ecd67ce | 45 | const uint8_t lcd_line[240]={0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,0x08, |
k4zuki | 11:16647ecd67ce | 46 | 0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,0x04, |
k4zuki | 11:16647ecd67ce | 47 | 0x84,0x44,0xC4,0x24,0xA4,0x64,0xE4,0x14,0x94,0x54,0xD4,0x34,0xB4,0x74,0xF4,0x0C, |
k4zuki | 11:16647ecd67ce | 48 | 0x8C,0x4C,0xCC,0x2C,0xAC,0x6C,0xEC,0x1C,0x9C,0x5C,0xDC,0x3C,0xBC,0x7C,0xFC,0x02, |
k4zuki | 11:16647ecd67ce | 49 | 0x82,0x42,0xC2,0x22,0xA2,0x62,0xE2,0x12,0x92,0x52,0xD2,0x32,0xB2,0x72,0xF2,0x0A, |
k4zuki | 11:16647ecd67ce | 50 | 0x8A,0x4A,0xCA,0x2A,0xAA,0x6A,0xEA,0x1A,0x9A,0x5A,0xDA,0x3A,0xBA,0x7A,0xFA,0x06, |
k4zuki | 11:16647ecd67ce | 51 | 0x86,0x46,0xC6,0x26,0xA6,0x66,0xE6,0x16,0x96,0x56,0xD6,0x36,0xB6,0x76,0xF6,0x0E, |
k4zuki | 11:16647ecd67ce | 52 | 0x8E,0x4E,0xCE,0x2E,0xAE,0x6E,0xEE,0x1E,0x9E,0x5E,0xDE,0x3E,0xBE,0x7E,0xFE,0x01, |
k4zuki | 11:16647ecd67ce | 53 | 0x81,0x41,0xC1,0x21,0xA1,0x61,0xE1,0x11,0x91,0x51,0xD1,0x31,0xB1,0x71,0xF1,0x09, |
k4zuki | 11:16647ecd67ce | 54 | 0x89,0x49,0xC9,0x29,0xA9,0x69,0xE9,0x19,0x99,0x59,0xD9,0x39,0xB9,0x79,0xF9,0x05, |
k4zuki | 11:16647ecd67ce | 55 | 0x85,0x45,0xC5,0x25,0xA5,0x65,0xE5,0x15,0x95,0x55,0xD5,0x35,0xB5,0x75,0xF5,0x0D, |
k4zuki | 11:16647ecd67ce | 56 | 0x8D,0x4D,0xCD,0x2D,0xAD,0x6D,0xED,0x1D,0x9D,0x5D,0xDD,0x3D,0xBD,0x7D,0xFD,0x03, |
k4zuki | 11:16647ecd67ce | 57 | 0x83,0x43,0xC3,0x23,0xA3,0x63,0xE3,0x13,0x93,0x53,0xD3,0x33,0xB3,0x73,0xF3,0x0B, |
k4zuki | 11:16647ecd67ce | 58 | 0x8B,0x4B,0xCB,0x2B,0xAB,0x6B,0xEB,0x1B,0x9B,0x5B,0xDB,0x3B,0xBB,0x7B,0xFB,0x07, |
k4zuki | 11:16647ecd67ce | 59 | 0x87,0x47,0xC7,0x27,0xA7,0x67,0xE7,0x17,0x97,0x57,0xD7,0x37,0xB7,0x77,0xF7,0x0F, |
k4zuki | 11:16647ecd67ce | 60 | }; |
k4zuki | 11:16647ecd67ce | 61 | |
k4zuki | 0:b3c8fdd01601 | 62 | class AkiSpiLcd |
k4zuki | 0:b3c8fdd01601 | 63 | { |
k4zuki | 0:b3c8fdd01601 | 64 | public: |
k4zuki | 10:eed99ef09e63 | 65 | //! base address list for 23K256 |
k4zuki | 10:eed99ef09e63 | 66 | enum BASE_ADDR { |
k4zuki | 10:eed99ef09e63 | 67 | RAMLINE_BASE = 0x6000, |
k4zuki | 10:eed99ef09e63 | 68 | RAMMODE_BASE = 0x6100, |
k4zuki | 10:eed99ef09e63 | 69 | SCREEN0_BASE = 0x0000, |
k4zuki | 10:eed99ef09e63 | 70 | SCREEN1_BASE = 0x3000 |
k4zuki | 10:eed99ef09e63 | 71 | }; |
k4zuki | 10:eed99ef09e63 | 72 | |
k4zuki | 10:eed99ef09e63 | 73 | //! mode codes for 23K256 |
k4zuki | 10:eed99ef09e63 | 74 | enum MODE { |
k4zuki | 10:eed99ef09e63 | 75 | BYTE_MODE = 0x00, |
k4zuki | 10:eed99ef09e63 | 76 | SEQUENTIAL_MODE = 0x40 |
k4zuki | 10:eed99ef09e63 | 77 | }; |
k4zuki | 10:eed99ef09e63 | 78 | |
k4zuki | 10:eed99ef09e63 | 79 | //! command codes for 23K256 |
k4zuki | 10:eed99ef09e63 | 80 | enum COMMAND { |
k4zuki | 10:eed99ef09e63 | 81 | READ = 0x03, |
k4zuki | 10:eed99ef09e63 | 82 | WRITE = 0x02, |
k4zuki | 10:eed99ef09e63 | 83 | READ_STATUS = 0x05, // called RDSR in datasheet |
k4zuki | 10:eed99ef09e63 | 84 | WRITE_STATUS = 0x01 // called WRSR in datasheet |
k4zuki | 10:eed99ef09e63 | 85 | }; |
k4zuki | 10:eed99ef09e63 | 86 | |
k4zuki | 0:b3c8fdd01601 | 87 | /** Constructor |
k4zuki | 0:b3c8fdd01601 | 88 | * @param mosi SPI data input |
k4zuki | 4:844693a617dc | 89 | * @param mosi SPI data output |
k4zuki | 0:b3c8fdd01601 | 90 | * @param sck SPI clock input |
k4zuki | 0:b3c8fdd01601 | 91 | * @param cs HIGH-active chip enable input |
k4zuki | 0:b3c8fdd01601 | 92 | * @param disp HIGH-active display enable input |
k4zuki | 0:b3c8fdd01601 | 93 | */ |
k4zuki | 4:844693a617dc | 94 | AkiSpiLcd(PinName mosi, PinName miso, PinName sck, PinName csl, PinName csr); |
k4zuki | 0:b3c8fdd01601 | 95 | |
k4zuki | 0:b3c8fdd01601 | 96 | /** Clear screen |
k4zuki | 0:b3c8fdd01601 | 97 | */ |
k4zuki | 0:b3c8fdd01601 | 98 | void cls(); |
k4zuki | 0:b3c8fdd01601 | 99 | |
k4zuki | 0:b3c8fdd01601 | 100 | /** Writes single line(400 bits = 50 bytes) |
k4zuki | 0:b3c8fdd01601 | 101 | * @param line line number(1-240) |
k4zuki | 0:b3c8fdd01601 | 102 | * @param *data pointer to data |
k4zuki | 0:b3c8fdd01601 | 103 | */ |
k4zuki | 3:f835b8daf9a0 | 104 | void directUpdateSingle(int line, uint8_t* data); |
k4zuki | 0:b3c8fdd01601 | 105 | |
k4zuki | 0:b3c8fdd01601 | 106 | /** Writes multi lines(400 x N bits = 50 x N bytes) |
k4zuki | 0:b3c8fdd01601 | 107 | * @param line line number(1-240) |
k4zuki | 0:b3c8fdd01601 | 108 | * @param length number of line to write |
k4zuki | 0:b3c8fdd01601 | 109 | * @param *data pointer to data |
k4zuki | 0:b3c8fdd01601 | 110 | */ |
k4zuki | 4:844693a617dc | 111 | void directUpdateMulti(int startline, int length, uint8_t* data); |
k4zuki | 0:b3c8fdd01601 | 112 | |
k4zuki | 0:b3c8fdd01601 | 113 | /** Inverting internal COM signal |
k4zuki | 0:b3c8fdd01601 | 114 | */ |
k4zuki | 0:b3c8fdd01601 | 115 | void cominvert(); |
k4zuki | 10:eed99ef09e63 | 116 | |
k4zuki | 4:844693a617dc | 117 | /** Reads single line (400 bits = 50 bytes) from a screen |
k4zuki | 4:844693a617dc | 118 | */ |
k4zuki | 4:844693a617dc | 119 | void ramReadSingle(int line, uint8_t* buffer, int screen); |
k4zuki | 4:844693a617dc | 120 | |
k4zuki | 4:844693a617dc | 121 | /** Reads multi lines(400 x N bits = 50 x N bytes) from a screen |
k4zuki | 4:844693a617dc | 122 | */ |
k4zuki | 4:844693a617dc | 123 | void ramReadMulti(int startline, int length, uint8_t* buffer, int screen); |
k4zuki | 10:eed99ef09e63 | 124 | |
k4zuki | 4:844693a617dc | 125 | /** Writes single line (400 bits = 50 bytes) into a screen |
k4zuki | 3:f835b8daf9a0 | 126 | */ |
k4zuki | 4:844693a617dc | 127 | void ramWriteSingle(int line, uint8_t* data, int screen); |
k4zuki | 4:844693a617dc | 128 | |
k4zuki | 4:844693a617dc | 129 | /** Writes multi lines(400 x N bits = 50 x N bytes) into a screen |
k4zuki | 4:844693a617dc | 130 | */ |
k4zuki | 4:844693a617dc | 131 | void ramWriteMulti(int startline, int length, uint8_t* data, int screen); |
k4zuki | 10:eed99ef09e63 | 132 | |
k4zuki | 4:844693a617dc | 133 | /** copies whole data in screen into LCD |
k4zuki | 4:844693a617dc | 134 | */ |
k4zuki | 7:0c85f23a6568 | 135 | void ram2lcd(int startline, int length, int screen); |
k4zuki | 0:b3c8fdd01601 | 136 | |
k4zuki | 3:f835b8daf9a0 | 137 | // /** Enables/disables display. internal memory will not flushed |
k4zuki | 3:f835b8daf9a0 | 138 | // * @param disp true = display is on / false = display is off |
k4zuki | 3:f835b8daf9a0 | 139 | // */ |
k4zuki | 3:f835b8daf9a0 | 140 | // void dispOn(bool disp); |
k4zuki | 2:01979b296ab5 | 141 | |
k4zuki | 10:eed99ef09e63 | 142 | /** read a byte from SRAM |
k4zuki | 10:eed99ef09e63 | 143 | * @param address The address to read from |
k4zuki | 10:eed99ef09e63 | 144 | * @return the uint8_tacter at that address |
k4zuki | 10:eed99ef09e63 | 145 | */ |
k4zuki | 9:33d5888d1fb9 | 146 | uint8_t ram_read(int address); |
k4zuki | 10:eed99ef09e63 | 147 | /** read multiple bytes from SRAM into a buffer |
k4zuki | 10:eed99ef09e63 | 148 | * @param address The SRAM address to read from |
k4zuki | 10:eed99ef09e63 | 149 | * @param buffer The buffer to read into (must be big enough!) |
k4zuki | 10:eed99ef09e63 | 150 | * @param count The number of bytes to read |
k4zuki | 10:eed99ef09e63 | 151 | */ |
k4zuki | 9:33d5888d1fb9 | 152 | void ram_read(int address, uint8_t * buffer, int count); |
k4zuki | 10:eed99ef09e63 | 153 | /** write a byte to SRAM |
k4zuki | 10:eed99ef09e63 | 154 | * @param address The address SRAM to write to |
k4zuki | 10:eed99ef09e63 | 155 | * @param byte The byte to write there |
k4zuki | 10:eed99ef09e63 | 156 | */ |
k4zuki | 9:33d5888d1fb9 | 157 | void ram_write(int address, uint8_t byte); |
k4zuki | 9:33d5888d1fb9 | 158 | /** write multiple bytes to SRAM from a buffer |
k4zuki | 10:eed99ef09e63 | 159 | * @param address The SRAM address write to |
k4zuki | 10:eed99ef09e63 | 160 | * @param buffer The buffer to write from |
k4zuki | 10:eed99ef09e63 | 161 | * @param count The number of bytes to write |
k4zuki | 10:eed99ef09e63 | 162 | */ |
k4zuki | 9:33d5888d1fb9 | 163 | void ram_write(int address, uint8_t * buffer, int count); |
k4zuki | 9:33d5888d1fb9 | 164 | |
k4zuki | 0:b3c8fdd01601 | 165 | private: |
k4zuki | 9:33d5888d1fb9 | 166 | // Ser23K256 _ram; |
k4zuki | 0:b3c8fdd01601 | 167 | int comflag; |
k4zuki | 0:b3c8fdd01601 | 168 | int modeflag; |
k4zuki | 0:b3c8fdd01601 | 169 | int clearflag; |
k4zuki | 0:b3c8fdd01601 | 170 | SPI _spi; |
k4zuki | 3:f835b8daf9a0 | 171 | DigitalOut _csl; |
k4zuki | 3:f835b8daf9a0 | 172 | DigitalOut _csr; |
k4zuki | 9:33d5888d1fb9 | 173 | |
k4zuki | 9:33d5888d1fb9 | 174 | uint8_t ram_readStatus(); |
k4zuki | 9:33d5888d1fb9 | 175 | void ram_writeStatus(uint8_t status); |
k4zuki | 9:33d5888d1fb9 | 176 | void ram_prepareCommand(uint8_t command, int address); |
k4zuki | 9:33d5888d1fb9 | 177 | void ram_select(); |
k4zuki | 9:33d5888d1fb9 | 178 | void ram_deselect(); |
k4zuki | 0:b3c8fdd01601 | 179 | }; |
k4zuki | 0:b3c8fdd01601 | 180 | #endif |