Basic library for SHARP LCD LS027B4DH01/LS027B7DH01
Dependents: AkiSpiLcd_demo AkiSpiLcd_demo2 LCDRAM AkiSpiLcd_example
AkiSpiLcd.h@2:01979b296ab5, 2014-05-06 (annotated)
- Committer:
- k4zuki
- Date:
- Tue May 06 17:25:03 2014 +0000
- Revision:
- 2:01979b296ab5
- Parent:
- 1:57de84d2025c
- Child:
- 3:f835b8daf9a0
documentation created
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 | 0:b3c8fdd01601 | 40 | * @param sck SPI clock input |
k4zuki | 0:b3c8fdd01601 | 41 | * @param cs HIGH-active chip enable input |
k4zuki | 0:b3c8fdd01601 | 42 | * @param disp HIGH-active display enable input |
k4zuki | 0:b3c8fdd01601 | 43 | */ |
k4zuki | 0:b3c8fdd01601 | 44 | AkiSpiLcd(PinName mosi,PinName sck, PinName cs, PinName disp); |
k4zuki | 0:b3c8fdd01601 | 45 | |
k4zuki | 0:b3c8fdd01601 | 46 | /** Clear screen |
k4zuki | 0:b3c8fdd01601 | 47 | */ |
k4zuki | 0:b3c8fdd01601 | 48 | void cls(); |
k4zuki | 0:b3c8fdd01601 | 49 | |
k4zuki | 0:b3c8fdd01601 | 50 | /** Writes single line(400 bits = 50 bytes) |
k4zuki | 0:b3c8fdd01601 | 51 | * @param line line number(1-240) |
k4zuki | 0:b3c8fdd01601 | 52 | * @param *data pointer to data |
k4zuki | 0:b3c8fdd01601 | 53 | */ |
k4zuki | 0:b3c8fdd01601 | 54 | void updateSingle(int line, uint8_t* data); |
k4zuki | 0:b3c8fdd01601 | 55 | |
k4zuki | 0:b3c8fdd01601 | 56 | /** Writes multi lines(400 x N bits = 50 x N bytes) |
k4zuki | 0:b3c8fdd01601 | 57 | * @param line line number(1-240) |
k4zuki | 0:b3c8fdd01601 | 58 | * @param length number of line to write |
k4zuki | 0:b3c8fdd01601 | 59 | * @param *data pointer to data |
k4zuki | 0:b3c8fdd01601 | 60 | */ |
k4zuki | 0:b3c8fdd01601 | 61 | void updateMulti(int line, int length, uint8_t* data); |
k4zuki | 0:b3c8fdd01601 | 62 | |
k4zuki | 0:b3c8fdd01601 | 63 | /** Inverting internal COM signal |
k4zuki | 0:b3c8fdd01601 | 64 | */ |
k4zuki | 0:b3c8fdd01601 | 65 | void cominvert(); |
k4zuki | 0:b3c8fdd01601 | 66 | |
k4zuki | 0:b3c8fdd01601 | 67 | /** Enables/disables display. internal memory will not flushed |
k4zuki | 0:b3c8fdd01601 | 68 | * @param disp true = display is on / false = display is off |
k4zuki | 0:b3c8fdd01601 | 69 | */ |
k4zuki | 0:b3c8fdd01601 | 70 | void dispOn(bool disp); |
k4zuki | 2:01979b296ab5 | 71 | |
k4zuki | 0:b3c8fdd01601 | 72 | private: |
k4zuki | 0:b3c8fdd01601 | 73 | int comflag; |
k4zuki | 0:b3c8fdd01601 | 74 | int modeflag; |
k4zuki | 0:b3c8fdd01601 | 75 | int clearflag; |
k4zuki | 0:b3c8fdd01601 | 76 | SPI _spi; |
k4zuki | 0:b3c8fdd01601 | 77 | DigitalOut _cs; |
k4zuki | 0:b3c8fdd01601 | 78 | DigitalOut _disp; |
k4zuki | 0:b3c8fdd01601 | 79 | }; |
k4zuki | 0:b3c8fdd01601 | 80 | #endif |