frederic blanc / sp5fx1

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gfx1.cpp@0:582c20f27326, 2012-03-05 (annotated)

Committer:
fblanc
Date:
Mon Mar 05 11:48:28 2012 +0000
Revision:
0:582c20f27326
v1.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
fblanc 0:582c20f27326 1 /**
fblanc 0:582c20f27326 2 * @file gfx1.cpp
fblanc 0:582c20f27326 3 * @brief library Lascar Electronics SP 5-GFX1 DISPLAY, LCD GRAPHIC, 128 X 64 DOTS
fblanc 0:582c20f27326 4 * @author Frederic BLANC
fblanc 0:582c20f27326 5 */
fblanc 0:582c20f27326 6 #include "gfx1.h"
fblanc 0:582c20f27326 7 SPI spi1(p5, p6, p7); //definition BUS SPI
fblanc 0:582c20f27326 8 unsigned char gfx1[128][7]; //emulation memoire ecran
fblanc 0:582c20f27326 9 unsigned int gfx1_x,gfx1_y;//emulation memoire ecran
fblanc 0:582c20f27326 10 DigitalOut GFX1_CS1_PIN(p23);
fblanc 0:582c20f27326 11 DigitalOut GFX1_RST_PIN(p22);
fblanc 0:582c20f27326 12 DigitalOut GFX1_AOP_PIN(p21);
fblanc 0:582c20f27326 13
fblanc 0:582c20f27326 14 /**
fblanc 0:582c20f27326 15 * @brief init hard SPI
fblanc 0:582c20f27326 16 * @date 20/06/2011
fblanc 0:582c20f27326 17 *
fblanc 0:582c20f27326 18 */
fblanc 0:582c20f27326 19 void gfx1_init(void) {
fblanc 0:582c20f27326 20 spi1.format(8, 2); //spi 8bits, mode10
fblanc 0:582c20f27326 21 spi1.frequency(1000000); //1mhz
fblanc 0:582c20f27326 22 GFX1_CS1_PIN=0;
fblanc 0:582c20f27326 23 GFX1_RST_PIN=0;
fblanc 0:582c20f27326 24 wait_us(1); //1�s
fblanc 0:582c20f27326 25 GFX1_RST_PIN=1;
fblanc 0:582c20f27326 26 }
fblanc 0:582c20f27326 27
fblanc 0:582c20f27326 28
fblanc 0:582c20f27326 29 /**
fblanc 0:582c20f27326 30 * @brief Write command
fblanc 0:582c20f27326 31 * @param [in] command
fblanc 0:582c20f27326 32 * @date 20/06/2011
fblanc 0:582c20f27326 33 *
fblanc 0:582c20f27326 34 */
fblanc 0:582c20f27326 35 void gfx1_command (unsigned char data ) {
fblanc 0:582c20f27326 36 GFX1_AOP_PIN = 0;
fblanc 0:582c20f27326 37 spi1.write (data);
fblanc 0:582c20f27326 38
fblanc 0:582c20f27326 39 }
fblanc 0:582c20f27326 40
fblanc 0:582c20f27326 41
fblanc 0:582c20f27326 42 /**
fblanc 0:582c20f27326 43 * @brief Write display data
fblanc 0:582c20f27326 44 * @param [in] data
fblanc 0:582c20f27326 45 * @date 20/06/2011
fblanc 0:582c20f27326 46 *
fblanc 0:582c20f27326 47 */
fblanc 0:582c20f27326 48 void gfx1_data (unsigned char data ) {
fblanc 0:582c20f27326 49 GFX1_AOP_PIN = 1;
fblanc 0:582c20f27326 50 spi1.write (data);
fblanc 0:582c20f27326 51 gfx1[gfx1_x][gfx1_y]=data;
fblanc 0:582c20f27326 52 gfx1_x++; //emulation memoire ecran
fblanc 0:582c20f27326 53 if(gfx1_x>=128)
fblanc 0:582c20f27326 54 {
fblanc 0:582c20f27326 55 gfx1_x=0;
fblanc 0:582c20f27326 56 gfx1_y++;
fblanc 0:582c20f27326 57 }
fblanc 0:582c20f27326 58 if(gfx1_y>=8)
fblanc 0:582c20f27326 59 gfx1_y=7;
fblanc 0:582c20f27326 60 }
fblanc 0:582c20f27326 61
fblanc 0:582c20f27326 62 /**
fblanc 0:582c20f27326 63 * @brief Read display data
fblanc 0:582c20f27326 64 * @return data
fblanc 0:582c20f27326 65 * @date 20/06/2011
fblanc 0:582c20f27326 66 *
fblanc 0:582c20f27326 67 */
fblanc 0:582c20f27326 68 unsigned char gfx1_read(void)
fblanc 0:582c20f27326 69 {
fblanc 0:582c20f27326 70 unsigned char tmp;
fblanc 0:582c20f27326 71 tmp=gfx1[gfx1_x][gfx1_y]; //emulation memoire ecran
fblanc 0:582c20f27326 72
fblanc 0:582c20f27326 73 return tmp;
fblanc 0:582c20f27326 74 }