Kazuki Yamamoto / AkiSpiLcd

Basic library for SHARP LCD LS027B4DH01/LS027B7DH01

Dependents:   AkiSpiLcd_demo AkiSpiLcd_demo2 LCDRAM AkiSpiLcd_example

AkiSpiLcd.h@5:7061ce47a359, 2014-08-28 (annotated)

Committer:
k4zuki
Date:
Thu Aug 28 10:10:37 2014 +0000
Revision:
5:7061ce47a359
Parent:
4:844693a617dc
Child:
6:e3ed7599692c
simplified code using Ser26K256 library

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 5:7061ce47a359 8 #include "mbed.h"
k4zuki 5:7061ce47a359 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 2:01979b296ab5 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 5:7061ce47a359 37 #define RAMLINE_BASE 0x6000
k4zuki 5:7061ce47a359 38 #define RAMMODE_BASE 0x6100
k4zuki 5:7061ce47a359 39 #define SCREEN0_BASE 0x0000
k4zuki 5:7061ce47a359 40 #define SCREEN1_BASE 0x3000
k4zuki 5:7061ce47a359 41
k4zuki 0:b3c8fdd01601 42 class AkiSpiLcd
k4zuki 0:b3c8fdd01601 43 {
k4zuki 0:b3c8fdd01601 44 public:
k4zuki 0:b3c8fdd01601 45 /** Constructor
k4zuki 0:b3c8fdd01601 46 * @param mosi SPI data input
k4zuki 4:844693a617dc 47 * @param mosi SPI data output
k4zuki 0:b3c8fdd01601 48 * @param sck SPI clock input
k4zuki 0:b3c8fdd01601 49 * @param cs HIGH-active chip enable input
k4zuki 0:b3c8fdd01601 50 * @param disp HIGH-active display enable input
k4zuki 0:b3c8fdd01601 51 */
k4zuki 3:f835b8daf9a0 52 // AkiSpiLcd(PinName mosi,PinName sck, PinName cs, PinName disp);
k4zuki 4:844693a617dc 53 AkiSpiLcd(PinName mosi, PinName miso, PinName sck, PinName csl, PinName csr);
k4zuki 0:b3c8fdd01601 54
k4zuki 0:b3c8fdd01601 55 /** Clear screen
k4zuki 0:b3c8fdd01601 56 */
k4zuki 0:b3c8fdd01601 57 void cls();
k4zuki 0:b3c8fdd01601 58
k4zuki 0:b3c8fdd01601 59 /** Writes single line(400 bits = 50 bytes)
k4zuki 0:b3c8fdd01601 60 * @param line line number(1-240)
k4zuki 0:b3c8fdd01601 61 * @param *data pointer to data
k4zuki 0:b3c8fdd01601 62 */
k4zuki 3:f835b8daf9a0 63 void directUpdateSingle(int line, uint8_t* data);
k4zuki 0:b3c8fdd01601 64
k4zuki 0:b3c8fdd01601 65 /** Writes multi lines(400 x N bits = 50 x N bytes)
k4zuki 0:b3c8fdd01601 66 * @param line line number(1-240)
k4zuki 0:b3c8fdd01601 67 * @param length number of line to write
k4zuki 0:b3c8fdd01601 68 * @param *data pointer to data
k4zuki 0:b3c8fdd01601 69 */
k4zuki 4:844693a617dc 70 void directUpdateMulti(int startline, int length, uint8_t* data);
k4zuki 0:b3c8fdd01601 71
k4zuki 0:b3c8fdd01601 72 /** Inverting internal COM signal
k4zuki 0:b3c8fdd01601 73 */
k4zuki 0:b3c8fdd01601 74 void cominvert();
k4zuki 3:f835b8daf9a0 75
k4zuki 4:844693a617dc 76 /** Reads single line (400 bits = 50 bytes) from a screen
k4zuki 4:844693a617dc 77 */
k4zuki 4:844693a617dc 78 void ramReadSingle(int line, uint8_t* buffer, int screen);
k4zuki 4:844693a617dc 79
k4zuki 4:844693a617dc 80 /** Reads multi lines(400 x N bits = 50 x N bytes) from a screen
k4zuki 4:844693a617dc 81 */
k4zuki 4:844693a617dc 82 void ramReadMulti(int startline, int length, uint8_t* buffer, int screen);
k4zuki 3:f835b8daf9a0 83
k4zuki 4:844693a617dc 84 /** Writes single line (400 bits = 50 bytes) into a screen
k4zuki 3:f835b8daf9a0 85 */
k4zuki 4:844693a617dc 86 void ramWriteSingle(int line, uint8_t* data, int screen);
k4zuki 4:844693a617dc 87
k4zuki 4:844693a617dc 88 /** Writes multi lines(400 x N bits = 50 x N bytes) into a screen
k4zuki 4:844693a617dc 89 */
k4zuki 4:844693a617dc 90 void ramWriteMulti(int startline, int length, uint8_t* data, int screen);
k4zuki 4:844693a617dc 91
k4zuki 4:844693a617dc 92 /** copies whole data in screen into LCD
k4zuki 4:844693a617dc 93 */
k4zuki 4:844693a617dc 94 void ram2lcd(int screen);
k4zuki 0:b3c8fdd01601 95
k4zuki 3:f835b8daf9a0 96 // /** Enables/disables display. internal memory will not flushed
k4zuki 3:f835b8daf9a0 97 // * @param disp true = display is on / false = display is off
k4zuki 3:f835b8daf9a0 98 // */
k4zuki 3:f835b8daf9a0 99 // void dispOn(bool disp);
k4zuki 2:01979b296ab5 100
k4zuki 0:b3c8fdd01601 101 private:
k4zuki 5:7061ce47a359 102 Ser23K256::Ser23K256 *_ram;
k4zuki 0:b3c8fdd01601 103 int comflag;
k4zuki 0:b3c8fdd01601 104 int modeflag;
k4zuki 0:b3c8fdd01601 105 int clearflag;
k4zuki 0:b3c8fdd01601 106 SPI _spi;
k4zuki 3:f835b8daf9a0 107 DigitalOut _csl;
k4zuki 3:f835b8daf9a0 108 DigitalOut _csr;
k4zuki 0:b3c8fdd01601 109 };
k4zuki 0:b3c8fdd01601 110 #endif