Basic library for SHARP LCD LS027B4DH01/LS027B7DH01
Dependents: AkiSpiLcd_demo AkiSpiLcd_demo2 LCDRAM AkiSpiLcd_example
AkiSpiLcd.h@4:844693a617dc, 2014-08-28 (annotated)
- Committer:
- k4zuki
- Date:
- Thu Aug 28 06:26:48 2014 +0000
- Revision:
- 4:844693a617dc
- Parent:
- 3:f835b8daf9a0
- Child:
- 5:7061ce47a359
VRAM usable (Microchip 23K256)
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 | 2:01979b296ab5 | 8 | /** AkiSpiLcd |
k4zuki | 2:01979b296ab5 | 9 | * mbed library for SHARP LCD LS027B4DH01 |
k4zuki | 2:01979b296ab5 | 10 | * |
k4zuki | 2:01979b296ab5 | 11 | * Example: |
k4zuki | 2:01979b296ab5 | 12 | * @code |
k4zuki | 2:01979b296ab5 | 13 | * #include "mbed.h" |
k4zuki | 2:01979b296ab5 | 14 | * #include "AkiSpiLcd.h" |
k4zuki | 2:01979b296ab5 | 15 | * |
k4zuki | 2:01979b296ab5 | 16 | * AkiSpiLcd LCD(MOSI_, SCK_, D2, D5); |
k4zuki | 2:01979b296ab5 | 17 | * extern const uint8_t hogepic[]; |
k4zuki | 2:01979b296ab5 | 18 | * int main() |
k4zuki | 2:01979b296ab5 | 19 | * { |
k4zuki | 2:01979b296ab5 | 20 | * |
k4zuki | 2:01979b296ab5 | 21 | * wait_ms(1); |
k4zuki | 2:01979b296ab5 | 22 | * LCD.cls(); |
k4zuki | 2:01979b296ab5 | 23 | * LCD.updateSingle(10,(uint8_t*)(hogepic+2000)); |
k4zuki | 2:01979b296ab5 | 24 | * LCD.updateMulti(100,(240-100),(uint8_t*)(hogepic)); |
k4zuki | 2:01979b296ab5 | 25 | * |
k4zuki | 2:01979b296ab5 | 26 | * while(1) { |
k4zuki | 2:01979b296ab5 | 27 | * for(int i=0; i<240; i++) { |
k4zuki | 2:01979b296ab5 | 28 | * LCD.updateMulti(i,(240-i),(uint8_t*)(hogepic)); |
k4zuki | 2:01979b296ab5 | 29 | * LCD.updateMulti(0,(i),(uint8_t*)(hogepic+50*(240-i))); |
k4zuki | 2:01979b296ab5 | 30 | * } |
k4zuki | 2:01979b296ab5 | 31 | * } |
k4zuki | 2:01979b296ab5 | 32 | * } |
k4zuki | 2:01979b296ab5 | 33 | * @endcode |
k4zuki | 2:01979b296ab5 | 34 | */ |
k4zuki | 0:b3c8fdd01601 | 35 | class AkiSpiLcd |
k4zuki | 0:b3c8fdd01601 | 36 | { |
k4zuki | 0:b3c8fdd01601 | 37 | public: |
k4zuki | 0:b3c8fdd01601 | 38 | /** Constructor |
k4zuki | 0:b3c8fdd01601 | 39 | * @param mosi SPI data input |
k4zuki | 4:844693a617dc | 40 | * @param mosi SPI data output |
k4zuki | 0:b3c8fdd01601 | 41 | * @param sck SPI clock input |
k4zuki | 0:b3c8fdd01601 | 42 | * @param cs HIGH-active chip enable input |
k4zuki | 0:b3c8fdd01601 | 43 | * @param disp HIGH-active display enable input |
k4zuki | 0:b3c8fdd01601 | 44 | */ |
k4zuki | 3:f835b8daf9a0 | 45 | // AkiSpiLcd(PinName mosi,PinName sck, PinName cs, PinName disp); |
k4zuki | 4:844693a617dc | 46 | AkiSpiLcd(PinName mosi, PinName miso, PinName sck, PinName csl, PinName csr); |
k4zuki | 0:b3c8fdd01601 | 47 | |
k4zuki | 0:b3c8fdd01601 | 48 | /** Clear screen |
k4zuki | 0:b3c8fdd01601 | 49 | */ |
k4zuki | 0:b3c8fdd01601 | 50 | void cls(); |
k4zuki | 0:b3c8fdd01601 | 51 | |
k4zuki | 0:b3c8fdd01601 | 52 | /** Writes single line(400 bits = 50 bytes) |
k4zuki | 0:b3c8fdd01601 | 53 | * @param line line number(1-240) |
k4zuki | 0:b3c8fdd01601 | 54 | * @param *data pointer to data |
k4zuki | 0:b3c8fdd01601 | 55 | */ |
k4zuki | 3:f835b8daf9a0 | 56 | void directUpdateSingle(int line, uint8_t* data); |
k4zuki | 0:b3c8fdd01601 | 57 | |
k4zuki | 0:b3c8fdd01601 | 58 | /** Writes multi lines(400 x N bits = 50 x N bytes) |
k4zuki | 0:b3c8fdd01601 | 59 | * @param line line number(1-240) |
k4zuki | 0:b3c8fdd01601 | 60 | * @param length number of line to write |
k4zuki | 0:b3c8fdd01601 | 61 | * @param *data pointer to data |
k4zuki | 0:b3c8fdd01601 | 62 | */ |
k4zuki | 4:844693a617dc | 63 | void directUpdateMulti(int startline, int length, uint8_t* data); |
k4zuki | 0:b3c8fdd01601 | 64 | |
k4zuki | 0:b3c8fdd01601 | 65 | /** Inverting internal COM signal |
k4zuki | 0:b3c8fdd01601 | 66 | */ |
k4zuki | 0:b3c8fdd01601 | 67 | void cominvert(); |
k4zuki | 3:f835b8daf9a0 | 68 | |
k4zuki | 4:844693a617dc | 69 | /** Reads single line (400 bits = 50 bytes) from a screen |
k4zuki | 4:844693a617dc | 70 | */ |
k4zuki | 4:844693a617dc | 71 | void ramReadSingle(int line, uint8_t* buffer, int screen); |
k4zuki | 4:844693a617dc | 72 | |
k4zuki | 4:844693a617dc | 73 | /** Reads multi lines(400 x N bits = 50 x N bytes) from a screen |
k4zuki | 4:844693a617dc | 74 | */ |
k4zuki | 4:844693a617dc | 75 | void ramReadMulti(int startline, int length, uint8_t* buffer, int screen); |
k4zuki | 3:f835b8daf9a0 | 76 | |
k4zuki | 4:844693a617dc | 77 | /** Writes single line (400 bits = 50 bytes) into a screen |
k4zuki | 3:f835b8daf9a0 | 78 | */ |
k4zuki | 4:844693a617dc | 79 | void ramWriteSingle(int line, uint8_t* data, int screen); |
k4zuki | 4:844693a617dc | 80 | |
k4zuki | 4:844693a617dc | 81 | /** Writes multi lines(400 x N bits = 50 x N bytes) into a screen |
k4zuki | 4:844693a617dc | 82 | */ |
k4zuki | 4:844693a617dc | 83 | void ramWriteMulti(int startline, int length, uint8_t* data, int screen); |
k4zuki | 4:844693a617dc | 84 | |
k4zuki | 4:844693a617dc | 85 | /** copies whole data in screen into LCD |
k4zuki | 4:844693a617dc | 86 | */ |
k4zuki | 4:844693a617dc | 87 | void ram2lcd(int screen); |
k4zuki | 0:b3c8fdd01601 | 88 | |
k4zuki | 3:f835b8daf9a0 | 89 | // /** Enables/disables display. internal memory will not flushed |
k4zuki | 3:f835b8daf9a0 | 90 | // * @param disp true = display is on / false = display is off |
k4zuki | 3:f835b8daf9a0 | 91 | // */ |
k4zuki | 3:f835b8daf9a0 | 92 | // void dispOn(bool disp); |
k4zuki | 2:01979b296ab5 | 93 | |
k4zuki | 0:b3c8fdd01601 | 94 | private: |
k4zuki | 0:b3c8fdd01601 | 95 | int comflag; |
k4zuki | 0:b3c8fdd01601 | 96 | int modeflag; |
k4zuki | 0:b3c8fdd01601 | 97 | int clearflag; |
k4zuki | 0:b3c8fdd01601 | 98 | SPI _spi; |
k4zuki | 3:f835b8daf9a0 | 99 | DigitalOut _csl; |
k4zuki | 3:f835b8daf9a0 | 100 | DigitalOut _csr; |
k4zuki | 0:b3c8fdd01601 | 101 | }; |
k4zuki | 0:b3c8fdd01601 | 102 | #endif |