| 1 | void LcdInit(void)
 | 
| 2 | {
 | 
| 3 |   unsigned char ucDelay = 0,ucStartTime;
 | 
| 4 |   unsigned int uiDelay = 0, uiStartTime;
 | 
| 5 |   DATADIR |= 0xFF;
 | 
| 6 |   CONTROLDIR |= ((1 << CDPIN) | (1 << CSPIN) |
 | 
| 7 |                  (1 << RDPIN) | (1 << WRPIN) | (1 <<RSTPIN));
 | 
| 8 |   RSTHIGH;
 | 
| 9 |   WRLOW;
 | 
| 10 |   RDLOW;
 | 
| 11 |   CSLOW;
 | 
| 12 |   EPSONDATA;
 | 
| 13 | 
 | 
| 14 |   ucDelay = 0;
 | 
| 15 |   ucStartTime = TimerGet1SecTick();
 | 
| 16 |   while (ucDelay < 3) // wait 3 sec
 | 
| 17 |     ucDelay = TimerGet1SecDiff(ucStartTime);
 | 
| 18 | 
 | 
| 19 |   EpsonSendCmd(0x40); // SystemSet
 | 
| 20 | 
 | 
| 21 |   uiDelay = 0;
 | 
| 22 |   uiStartTime = TimerGet1MSecTick();
 | 
| 23 |   while (uiDelay < 40) // wait 200 msec
 | 
| 24 |     uiDelay = TimerGet1MSecDiff(uiStartTime);
 | 
| 25 | 
 | 
| 26 |   EpsonSendData1(0x30);
 | 
| 27 |   EpsonSendData1(0x05); // char width in px -1 (here 6)
 | 
| 28 |   EpsonSendData1(0x07); // char height -1 (here 8)
 | 
| 29 |   EpsonSendData1(0x34); // number of chars per row
 | 
| 30 |   EpsonSendData1(0x87); // width
 | 
| 31 |   EpsonSendData1(0xEF); // height 240 lines
 | 
| 32 |   EpsonSendData1(0x35); // horizontal adress range register
 | 
| 33 |   EpsonSendData1(0x00); 
 | 
| 34 | 
 | 
| 35 |   ucDelay = 0;
 | 
| 36 |   ucStartTime = TimerGet1SecTick();
 | 
| 37 |   while (ucDelay < 3) // wait 3 sec
 | 
| 38 |     ucDelay = TimerGet1SecDiff(ucStartTime);
 | 
| 39 | 
 | 
| 40 |   EpsonSendCmd(0x40); // SystemSet
 | 
| 41 | 
 | 
| 42 |   uiDelay = 0;
 | 
| 43 |   uiStartTime = TimerGet1MSecTick();
 | 
| 44 |   while (uiDelay < 40) // wait 200 msec
 | 
| 45 |     uiDelay = TimerGet1MSecDiff(uiStartTime);
 | 
| 46 | 
 | 
| 47 |   EpsonSendData1(0x30);
 | 
| 48 |   EpsonSendData1(0x05); // char width in px -1 (here 6)
 | 
| 49 |   EpsonSendData1(0x07); // char height -1 (here 8)
 | 
| 50 |   EpsonSendData1(0x34); // number of chars per row
 | 
| 51 |   EpsonSendData1(0x87); // width
 | 
| 52 |   EpsonSendData1(0xEF); // height 240 lines
 | 
| 53 |   EpsonSendData1(0x35); // horizontal adress range register
 | 
| 54 |   EpsonSendData1(0x00); 
 | 
| 55 | 
 | 
| 56 |   uiDelay = 0;
 | 
| 57 |   uiStartTime = TimerGet1MSecTick();
 | 
| 58 |   while (uiDelay < 0xFF) // wait 200 msec
 | 
| 59 |     uiDelay = TimerGet1MSecDiff(uiStartTime);
 | 
| 60 | 
 | 
| 61 |   EpsonSendCmd(0x44);               // SCROLL
 | 
| 62 |   EpsonSendData2((unsigned int)(DISP1HOME));   // layer 1 home adress
 | 
| 63 |   EpsonSendData1(0xFE);             // 240 Lines
 | 
| 64 |   EpsonSendData2((unsigned int)(DISP2HOME));   // layer 2 home adress
 | 
| 65 |   EpsonSendData1(0xFE);             // 240 Lines
 | 
| 66 |   EpsonSendData2((unsigned int)(DISP3HOME));   // layer 3 home adress
 | 
| 67 |   EpsonSendData2((unsigned int)0x0000);             // Dont care
 | 
| 68 | 
 | 
| 69 |   EpsonSendCmd(0x58); // DISPON/OFF
 | 
| 70 |   EpsonSendData1(0x14); // no flash no cursor
 | 
| 71 | 
 | 
| 72 |   EpsonSendCmd(0x4C);          // Cursor direction right
 | 
| 73 | 
 | 
| 74 |   EpsonSendCmd(0x5B); // OVLAY
 | 
| 75 |   EpsonSendData1(0x01); // ORMODE
 | 
| 76 | 
 | 
| 77 |   EpsonSendCmd(0x5A); // HDOTSCR
 | 
| 78 |   EpsonSendData1(0x00);
 | 
| 79 | 
 | 
| 80 |   LcdClearLayer(1);
 | 
| 81 | 
 | 
| 82 |   uiDelay = 0;
 | 
| 83 |   uiStartTime = TimerGet1MSecTick();
 | 
| 84 |   while (uiDelay < 200) // wait 20 msec
 | 
| 85 |     uiDelay = TimerGet1MSecDiff(uiStartTime);
 | 
| 86 | 
 | 
| 87 |   LcdClearLayer(2);
 | 
| 88 | 
 | 
| 89 |   uiDelay = 0;
 | 
| 90 |   uiStartTime = TimerGet1MSecTick();
 | 
| 91 |   while (uiDelay < 200) // wait 20 msec
 | 
| 92 |     uiDelay = TimerGet1MSecDiff(uiStartTime);
 | 
| 93 | 
 | 
| 94 |   LcdClearLayer(3);
 | 
| 95 | 
 | 
| 96 |   uiDelay = 0;
 | 
| 97 |   uiStartTime = TimerGet1MSecTick();
 | 
| 98 |   while (uiDelay < 200) // wait 20 msec
 | 
| 99 |     uiDelay = TimerGet1MSecDiff(uiStartTime);
 | 
| 100 | 
 | 
| 101 |   EpsonSendCmd(0x59); // DISPON/OFF
 | 
| 102 |   EpsonSendData1(0x14); // no flash no cursor
 | 
| 103 |   return;
 | 
| 104 | }
 | 
| 105 | 
 | 
| 106 | void slope(unsigned char cnt)
 | 
| 107 | {
 | 
| 108 |   unsigned char i;
 | 
| 109 |   for (i=0; i < cnt; i++)
 | 
| 110 |     asm volatile("nop");
 | 
| 111 | }
 | 
| 112 | 
 | 
| 113 | void EpsonSendCmd(unsigned char cmd)
 | 
| 114 | {
 | 
| 115 |   EPSONCMD;
 | 
| 116 |   WRHIGH;
 | 
| 117 |   CSHIGH;
 | 
| 118 |   RDHIGH;
 | 
| 119 |   DATAPORT = cmd;
 | 
| 120 |   slope(20);
 | 
| 121 |   CSLOW;
 | 
| 122 |   slope(20);
 | 
| 123 |   WRLOW;
 | 
| 124 |   slope(20);
 | 
| 125 |   WRHIGH;
 | 
| 126 |   slope(20);
 | 
| 127 |   CSHIGH;
 | 
| 128 | }
 | 
| 129 | 
 | 
| 130 | 
 | 
| 131 | void EpsonSendData1(unsigned char cmd)
 | 
| 132 | {
 | 
| 133 |   EPSONDATA;
 | 
| 134 |   WRHIGH;
 | 
| 135 |   CSHIGH;
 | 
| 136 |   RDHIGH;
 | 
| 137 |   DATAPORT = cmd;
 | 
| 138 |   slope(20);
 | 
| 139 |   CSLOW;
 | 
| 140 |   slope(20);
 | 
| 141 |   WRLOW;
 | 
| 142 |   slope(20);  
 | 
| 143 |   WRHIGH;
 | 
| 144 |   slope(20);
 | 
| 145 |   CSHIGH;
 | 
| 146 |   EPSONCMD;
 | 
| 147 | }
 |