Landtiger (LPC1768) graphics LCD demo.

Dependencies:   mbed

Revision:
1:ea0f7b1c5daf
Parent:
0:a8090b59eb05
Child:
2:43ede88fb5a3
--- a/GLCD_LPC1700.cpp	Sun Nov 04 16:49:27 2012 +0000
+++ b/GLCD_LPC1700.cpp	Sun Nov 04 18:13:01 2012 +0000
@@ -539,14 +539,8 @@
 
     case SSD1289_ID: {     //3.2" TFT LCD Module,DriverIC is SSD1289
   
-      /* Set GRAM write direction and BGR = 1
-         I/D=10 (Horizontal : increment, Vertical : increment)
-         AM=1 (address is updated in vertical writing direction)                  */
-      wr_reg(0x03, 0x1038);
-      wr_reg(0x07, 0x0173);                 /* 262K color and display ON          */ 
-  
-///  case SSD1289_ID: {     //3.2" TFT LCD Module,DriverIC is SSD1289
-
+      wr_reg(0x0007,0x0233);    delay(5);        //0x0233    Set this first or init fails !
+            
       wr_reg(0x0000,0x0001);    delay(5);  // osc en
       
       wr_reg(0x0003,0xA8A4);    delay(5);  // powercontrol 1 0xA8A4
@@ -1280,11 +1274,11 @@
 void GLCD_DrawChar (unsigned int x, unsigned int y, unsigned short *c) {
   int idx = 0, i, j;
 
-  x = WIDTH-x-CHAR_W;
+//wh  x = WIDTH-x-CHAR_W;
 
   if(driverCode==0x8989)
   {
-    wr_reg(0x44, y);                      /* Horizontal GRAM Start Address      */
+//wh    wr_reg(0x44, y);                      /* Horizontal GRAM Start Address      */
     wr_reg(0x44, y |((y+CHAR_H-1)<<8));   /* Horizontal GRAM End   Address (-1) */
     wr_reg(0x45, x);                      /* Vertical   GRAM Start Address      */
     wr_reg(0x46, x+CHAR_W-1);             /* Vertical   GRAM End   Address (-1) */
@@ -1306,7 +1300,8 @@
   wr_cmd(0x22);
   wr_dat_start();
   for (j = 0; j < CHAR_H; j++) {
-    for (i = CHAR_W-1; i >= 0; i--) {
+//wh    for (i = CHAR_W-1; i >= 0; i--) {
+    for (i = 0; i < CHAR_W; i++) {    
       if((c[idx] & (1 << i)) == 0x00) {
         wr_dat_only(BackColor);
       } else {
@@ -1330,7 +1325,9 @@
 void GLCD_DisplayChar (unsigned int ln, unsigned int col, unsigned char c) {
 
   c -= 32;
+  // x = column, y = line
   GLCD_DrawChar(col * CHAR_W, ln * CHAR_H, (unsigned short *)&Font_24x16[c * CHAR_H]);
+
 }
 
 
@@ -1570,11 +1567,11 @@
   unsigned int    i, j;
   unsigned short *bitmap_ptr = (unsigned short *)bmp;
 
-  x = WIDTH-x-w;
+//wh  x = WIDTH-x-w;
 
   if(driverCode==0x8989)
   {
-      wr_reg(0x44, y);                      /* Horizontal GRAM Start Address      */
+//wh      wr_reg(0x44, y);                      /* Horizontal GRAM Start Address      */
     wr_reg(0x44, y |((y+h-1)<<8));        /* Horizontal GRAM End   Address (-1) */
     wr_reg(0x45, x);                      /* Vertical   GRAM Start Address      */
     wr_reg(0x46, x+w-1);                  /* Vertical   GRAM End   Address (-1) */
@@ -1593,12 +1590,21 @@
   LCD_CS(0)
   wr_cmd(0x22);
   wr_dat_start();
-  bitmap_ptr += (h*w)-1;
+//  bitmap_ptr += (h*w)-1;
+//  for (j = 0; j < h; j++) {
+//    for (i = 0; i < w; i++) {
+//      wr_dat_only(*bitmap_ptr--);
+//    }
+//  }
+
+
   for (j = 0; j < h; j++) {
     for (i = 0; i < w; i++) {
-      wr_dat_only(*bitmap_ptr--);
+      wr_dat_only(*bitmap_ptr++);
     }
   }
+
+
   wr_dat_stop();
 }