Library to control a Graphics TFT connected to 4-wire SPI - revised for the Raio RA8875 Display Controller.

Dependents:   FRDM_RA8875_mPaint RA8875_Demo RA8875_KeyPadDemo SignalGenerator ... more

Fork of SPI_TFT by Peter Drescher

See Components - RA8875 Based Display

Enhanced touch-screen support - where it previous supported both the Resistive Touch and Capacitive Touch based on the FT5206 Touch Controller, now it also has support for the GSL1680 Touch Controller.

Offline Help Manual (Windows chm)

/media/uploads/WiredHome/ra8875.zip.bin (download, rename to .zip and unzip)

Revision:
19:3f82c1161fd2
Parent:
11:9bb71766cafc
Child:
23:a50ded45dbaf
--- a/GraphicsDisplay.cpp	Tue Oct 22 20:17:29 2013 +0000
+++ b/GraphicsDisplay.cpp	Sun Jan 12 17:40:32 2014 +0000
@@ -2,118 +2,124 @@
  * Copyright (c) 2007-2009 sford
  * Released under the MIT License: http://mbed.org/license/mit
  */
- 
+
 #include "GraphicsDisplay.h"
 
 const unsigned char FONT8x8[97][8] = {
-0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20
-0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // !
-0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // "
-0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // #
-0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $
-0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // %
-0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // &
-0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // '
-0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // (
-0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // )
-0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // *
-0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // +
-0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // ,
-0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // -
-0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // .
-0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash)
-0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30
-0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1
-0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2
-0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3
-0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4
-0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5
-0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6
-0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7
-0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8
-0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9
-0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // :
-0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ;
-0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // <
-0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // =
-0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // >
-0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ?
-0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40
-0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A
-0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B
-0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C
-0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D
-0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E
-0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F
-0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G
-0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H
-0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I
-0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J
-0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K
-0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L
-0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M
-0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N
-0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O
-0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50
-0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q
-0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R
-0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S
-0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T
-0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U
-0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V
-0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W
-0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X
-0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y
-0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z
-0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [
-0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash)
-0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ]
-0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^
-0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _
-0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60
-0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a
-0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b
-0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c
-0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d
-0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e
-0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f
-0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g
-0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h
-0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i
-0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j
-0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k
-0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l
-0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m
-0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n
-0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o
-0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p
-0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q
-0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r
-0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s
-0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t
-0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u
-0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v
-0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w
-0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x
-0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y
-0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z
-0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // {
-0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // |
-0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // }
-0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~
-0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00}; // DEL
-    
-GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name) {
-    foreground(0xFFFF);
-    background(0x0000);
+    0x08,0x08,0x08,0x00,0x00,0x00,0x00,0x00, // columns, rows, num_bytes_per_char
+    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00, // space 0x20
+    0x30,0x78,0x78,0x30,0x30,0x00,0x30,0x00, // !
+    0x6C,0x6C,0x6C,0x00,0x00,0x00,0x00,0x00, // "
+    0x6C,0x6C,0xFE,0x6C,0xFE,0x6C,0x6C,0x00, // #
+    0x18,0x3E,0x60,0x3C,0x06,0x7C,0x18,0x00, // $
+    0x00,0x63,0x66,0x0C,0x18,0x33,0x63,0x00, // %
+    0x1C,0x36,0x1C,0x3B,0x6E,0x66,0x3B,0x00, // &
+    0x30,0x30,0x60,0x00,0x00,0x00,0x00,0x00, // '
+    0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x00, // (
+    0x30,0x18,0x0C,0x0C,0x0C,0x18,0x30,0x00, // )
+    0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00, // *
+    0x00,0x30,0x30,0xFC,0x30,0x30,0x00,0x00, // +
+    0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x30, // ,
+    0x00,0x00,0x00,0x7E,0x00,0x00,0x00,0x00, // -
+    0x00,0x00,0x00,0x00,0x00,0x18,0x18,0x00, // .
+    0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00, // / (forward slash)
+    0x3E,0x63,0x63,0x6B,0x63,0x63,0x3E,0x00, // 0 0x30
+    0x18,0x38,0x58,0x18,0x18,0x18,0x7E,0x00, // 1
+    0x3C,0x66,0x06,0x1C,0x30,0x66,0x7E,0x00, // 2
+    0x3C,0x66,0x06,0x1C,0x06,0x66,0x3C,0x00, // 3
+    0x0E,0x1E,0x36,0x66,0x7F,0x06,0x0F,0x00, // 4
+    0x7E,0x60,0x7C,0x06,0x06,0x66,0x3C,0x00, // 5
+    0x1C,0x30,0x60,0x7C,0x66,0x66,0x3C,0x00, // 6
+    0x7E,0x66,0x06,0x0C,0x18,0x18,0x18,0x00, // 7
+    0x3C,0x66,0x66,0x3C,0x66,0x66,0x3C,0x00, // 8
+    0x3C,0x66,0x66,0x3E,0x06,0x0C,0x38,0x00, // 9
+    0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x00, // :
+    0x00,0x18,0x18,0x00,0x00,0x18,0x18,0x30, // ;
+    0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x00, // <
+    0x00,0x00,0x7E,0x00,0x00,0x7E,0x00,0x00, // =
+    0x30,0x18,0x0C,0x06,0x0C,0x18,0x30,0x00, // >
+    0x3C,0x66,0x06,0x0C,0x18,0x00,0x18,0x00, // ?
+    0x3E,0x63,0x6F,0x69,0x6F,0x60,0x3E,0x00, // @ 0x40
+    0x18,0x3C,0x66,0x66,0x7E,0x66,0x66,0x00, // A
+    0x7E,0x33,0x33,0x3E,0x33,0x33,0x7E,0x00, // B
+    0x1E,0x33,0x60,0x60,0x60,0x33,0x1E,0x00, // C
+    0x7C,0x36,0x33,0x33,0x33,0x36,0x7C,0x00, // D
+    0x7F,0x31,0x34,0x3C,0x34,0x31,0x7F,0x00, // E
+    0x7F,0x31,0x34,0x3C,0x34,0x30,0x78,0x00, // F
+    0x1E,0x33,0x60,0x60,0x67,0x33,0x1F,0x00, // G
+    0x66,0x66,0x66,0x7E,0x66,0x66,0x66,0x00, // H
+    0x3C,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // I
+    0x0F,0x06,0x06,0x06,0x66,0x66,0x3C,0x00, // J
+    0x73,0x33,0x36,0x3C,0x36,0x33,0x73,0x00, // K
+    0x78,0x30,0x30,0x30,0x31,0x33,0x7F,0x00, // L
+    0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x00, // M
+    0x63,0x73,0x7B,0x6F,0x67,0x63,0x63,0x00, // N
+    0x3E,0x63,0x63,0x63,0x63,0x63,0x3E,0x00, // O
+    0x7E,0x33,0x33,0x3E,0x30,0x30,0x78,0x00, // P 0x50
+    0x3C,0x66,0x66,0x66,0x6E,0x3C,0x0E,0x00, // Q
+    0x7E,0x33,0x33,0x3E,0x36,0x33,0x73,0x00, // R
+    0x3C,0x66,0x30,0x18,0x0C,0x66,0x3C,0x00, // S
+    0x7E,0x5A,0x18,0x18,0x18,0x18,0x3C,0x00, // T
+    0x66,0x66,0x66,0x66,0x66,0x66,0x7E,0x00, // U
+    0x66,0x66,0x66,0x66,0x66,0x3C,0x18,0x00, // V
+    0x63,0x63,0x63,0x6B,0x7F,0x77,0x63,0x00, // W
+    0x63,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00, // X
+    0x66,0x66,0x66,0x3C,0x18,0x18,0x3C,0x00, // Y
+    0x7F,0x63,0x46,0x0C,0x19,0x33,0x7F,0x00, // Z
+    0x3C,0x30,0x30,0x30,0x30,0x30,0x3C,0x00, // [
+    0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00, // \ (back slash)
+    0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00, // ]
+    0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00, // ^
+    0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF, // _
+    0x18,0x18,0x0C,0x00,0x00,0x00,0x00,0x00, // ` 0x60
+    0x00,0x00,0x3C,0x06,0x3E,0x66,0x3B,0x00, // a
+    0x70,0x30,0x3E,0x33,0x33,0x33,0x6E,0x00, // b
+    0x00,0x00,0x3C,0x66,0x60,0x66,0x3C,0x00, // c
+    0x0E,0x06,0x3E,0x66,0x66,0x66,0x3B,0x00, // d
+    0x00,0x00,0x3C,0x66,0x7E,0x60,0x3C,0x00, // e
+    0x1C,0x36,0x30,0x78,0x30,0x30,0x78,0x00, // f
+    0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x7C, // g
+    0x70,0x30,0x36,0x3B,0x33,0x33,0x73,0x00, // h
+    0x18,0x00,0x38,0x18,0x18,0x18,0x3C,0x00, // i
+    0x06,0x00,0x06,0x06,0x06,0x66,0x66,0x3C, // j
+    0x70,0x30,0x33,0x36,0x3C,0x36,0x73,0x00, // k
+    0x38,0x18,0x18,0x18,0x18,0x18,0x3C,0x00, // l
+    0x00,0x00,0x66,0x7F,0x7F,0x6B,0x63,0x00, // m
+    0x00,0x00,0x7C,0x66,0x66,0x66,0x66,0x00, // n
+    0x00,0x00,0x3C,0x66,0x66,0x66,0x3C,0x00, // o
+    0x00,0x00,0x6E,0x33,0x33,0x3E,0x30,0x78, // p
+    0x00,0x00,0x3B,0x66,0x66,0x3E,0x06,0x0F, // q
+    0x00,0x00,0x6E,0x3B,0x33,0x30,0x78,0x00, // r
+    0x00,0x00,0x3E,0x60,0x3C,0x06,0x7C,0x00, // s
+    0x08,0x18,0x3E,0x18,0x18,0x1A,0x0C,0x00, // t
+    0x00,0x00,0x66,0x66,0x66,0x66,0x3B,0x00, // u
+    0x00,0x00,0x66,0x66,0x66,0x3C,0x18,0x00, // v
+    0x00,0x00,0x63,0x6B,0x7F,0x7F,0x36,0x00, // w
+    0x00,0x00,0x63,0x36,0x1C,0x36,0x63,0x00, // x
+    0x00,0x00,0x66,0x66,0x66,0x3E,0x06,0x7C, // y
+    0x00,0x00,0x7E,0x4C,0x18,0x32,0x7E,0x00, // z
+    0x0E,0x18,0x18,0x70,0x18,0x18,0x0E,0x00, // {
+    0x0C,0x0C,0x0C,0x00,0x0C,0x0C,0x0C,0x00, // |
+    0x70,0x18,0x18,0x0E,0x18,0x18,0x70,0x00, // }
+    0x3B,0x6E,0x00,0x00,0x00,0x00,0x00,0x00, // ~
+    0x1C,0x36,0x36,0x1C,0x00,0x00,0x00,0x00
+}; // DEL
+
+GraphicsDisplay::GraphicsDisplay(const char *name):TextDisplay(name)
+{
+    //foreground(0xFFFF);
+    //background(0x0000);
 }
-    
-void GraphicsDisplay::character(int column, int row, int value) { 
+
+
+void GraphicsDisplay::character(int column, int row, int value)
+{
     blitbit(column * 8, row * 8, 8, 8, (char*)&(FONT8x8[value - 0x1F][0]));
 }
 
-void GraphicsDisplay::window(unsigned int x,unsigned  int y,unsigned  int w,unsigned  int h) {
+
+void GraphicsDisplay::window(unsigned int x,unsigned  int y,unsigned  int w,unsigned  int h)
+{
     // current pixel location
     _x = x;
     _y = y;
@@ -123,8 +129,9 @@
     _y1 = y;
     _y2 = y + h - 1;
 }
-    
-void GraphicsDisplay::putp(int colour) {
+
+void GraphicsDisplay::putp(int colour)
+{
     // put pixel at current pixel location
     pixel(_x, _y, colour);
     // update pixel location based on window settings
@@ -138,25 +145,30 @@
     }
 }
 
-void GraphicsDisplay::fill(int x, int y, int w, int h, int colour) { 
+void GraphicsDisplay::fill(int x, int y, int w, int h, int colour)
+{
     window(x, y, w, h);
     for(int i=0; i<w*h; i++) {
         putp(colour);
     }
 }
-    
-void GraphicsDisplay::cls() {
+
+RetCode_t GraphicsDisplay::cls()
+{
     fill(0, 0, width(), height(), _background);
+    return noerror;
 }
-    
-void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour) { 
+
+void GraphicsDisplay::blit(int x, int y, int w, int h, const int *colour)
+{
     window(x, y, w, h);
     for(int i=0; i<w*h; i++) {
         putp(colour[i]);
     }
 }
-    
-void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour) {
+
+void GraphicsDisplay::blitbit(int x, int y, int w, int h, const char* colour)
+{
     window(x, y, w, h);
     for(int i = 0; i < w*h; i++) {
         char byte = colour[i >> 3];
@@ -164,13 +176,17 @@
         int c = ((byte << offset) & 0x80) ? _foreground : _background;
         putp(c);
     }
-}
-    
-int GraphicsDisplay::columns() { 
-    return width() / 8; 
+    _foreground = 0xFFFF;
+    printf("blitbit colors %d,%d\r\n", _foreground, _background);
 }
 
-int GraphicsDisplay::rows() { 
-    return height() / 8; 
+int GraphicsDisplay::columns()
+{
+    return width() / 8;
 }
 
+int GraphicsDisplay::rows()
+{
+    return height() / 8;
+}
+