Chris Snow / AkiSpiLcd

Fixes for line numbers

Fork of AkiSpiLcd by Kazuki Yamamoto

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?

UserRevisionLine numberNew 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