David Smart / RA8875 Featured

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)

Diff: GraphicsDisplay.cpp

Revision:
59:fb40aad4efd4
Parent:
55:dfbabef7003e
Child:
61:8f3153bf0baa
--- a/GraphicsDisplay.cpp	Sat Jul 05 15:59:55 2014 +0000
+++ b/GraphicsDisplay.cpp	Thu Jul 24 00:41:37 2014 +0000
@@ -455,13 +455,15 @@
     uint8_t * lineBuffer = NULL;
     uint16_t BPP_t;
     uint32_t PixelWidth, PixelHeight;
-    //uint32_t start_data;
     unsigned int    i, offset;
     int padd,j;
+    #ifdef DEBUG
+    uint32_t start_data;
+    #endif
 
     // Now, Read the bitmap info header
     fread(&BMP_Info, 1, sizeof(BMP_Info), Image);
-    //HexDump("BMP_Info", (uint8_t *)&BMP_Info, sizeof(BMP_Info));
+    HexDump("BMP_Info", (uint8_t *)&BMP_Info, sizeof(BMP_Info));
     BPP_t = BMP_Info.biBitCount;
     INFO("biBitCount %04X", BPP_t);
     if (BPP_t != 4 && BPP_t != 8 && BPP_t != 16 && BPP_t != 24) { // Support 4, 8, 16, 24-bits per pixel
@@ -487,11 +489,11 @@
             return(not_enough_ram);
         }
         fread(colorPalette, 1, paletteSize, Image);
-        //HexDump("Color Palette", (uint8_t *)colorPalette, paletteSize);
+        HexDump("Color Palette", (uint8_t *)colorPalette, paletteSize);
     }
 
     int lineBufSize = ((BPP_t * PixelWidth + 7)/8);
-    //INFO("BPP_t %d, PixelWidth %d, lineBufSize %d", BPP_t, PixelWidth, lineBufSize);
+    INFO("BPP_t %d, PixelWidth %d, lineBufSize %d", BPP_t, PixelWidth, lineBufSize);
     lineBuffer = (uint8_t *)malloc(lineBufSize);
     if (lineBuffer == NULL) {
         free(colorPalette);
@@ -528,13 +530,13 @@
     _StartGraphicsStream();
     
     //start_data = BMP_Header.bfOffBits;
-    //HexDump("Raw Data", (uint8_t *)&start_data, 32);
-    //INFO("(%d,%d) (%d,%d), [%d,%d]", x,y, PixelWidth,PixelHeight, lineBufSize, padd);
+    HexDump("Raw Data", (uint8_t *)&start_data, 32);
+    INFO("(%d,%d) (%d,%d), [%d,%d]", x,y, PixelWidth,PixelHeight, lineBufSize, padd);
     for (j = PixelHeight - 1; j >= 0; j--) {                //Lines bottom up
         offset = fileOffset + j * (lineBufSize + padd);     // start of line
         fseek(Image, offset, SEEK_SET);
         fread(lineBuffer, 1, lineBufSize, Image);           // read a line - slow !
-        //INFO("offset: %6X", offset);
+        INFO("offset: %6X", offset);
         for (i = 0; i < PixelWidth; i++) {                  // copy pixel data to TFT
             if (BPP_t == 4) {
                 uint8_t dPix = lineBuffer[i/2];
@@ -589,7 +591,7 @@
 
     fread(&BMP_Header, 1, sizeof(BMP_Header), Image);      // get the BMP Header
     INFO("bfType %04X", BMP_Header.bfType);
-    //HexDump("BMP_Header", (uint8_t *)&BMP_Header, sizeof(BMP_Header));
+    HexDump("BMP_Header", (uint8_t *)&BMP_Header, sizeof(BMP_Header));
     if (BMP_Header.bfType != BF_TYPE) {
         fclose(Image);
         return(not_bmp_format);