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:
69:636867df24a1
Parent:
61:8f3153bf0baa
Child:
72:ecffe56af969
--- a/GraphicsDisplay.cpp	Sun Aug 17 15:38:51 2014 +0000
+++ b/GraphicsDisplay.cpp	Sun Aug 31 15:54:42 2014 +0000
@@ -439,7 +439,9 @@
             //HexDump("Line", lineBuffer, lineBufSize);
             fwrite(lineBuffer, sizeof(char), lb, Image);
         }
-        fclose(Image);       
+        fclose(Image);
+        free(pixelBuffer);  // don't leak memory.
+        free(lineBuffer);
         INFO("Image closed"); 
         return noerror;
     } else {
@@ -453,6 +455,7 @@
     RGBQUAD * colorPalette = NULL;
     int colorCount;
     uint8_t * lineBuffer = NULL;
+    color_t * pixelBuffer = NULL;
     uint16_t BPP_t;
     uint32_t PixelWidth, PixelHeight;
     unsigned int    i, offset;
@@ -500,10 +503,11 @@
         fclose(Image);
         return(not_enough_ram);
     }
-    color_t * pixelBuffer = (color_t *)malloc(PixelWidth * sizeof(color_t));
+    pixelBuffer = (color_t *)malloc(PixelWidth * sizeof(color_t));
     if (pixelBuffer == NULL) {
-        free(colorPalette);
         free(lineBuffer);
+        if (colorPalette)
+            free(colorPalette);
         fclose(Image);
         return(not_enough_ram);
     }
@@ -562,8 +566,10 @@
     }
     _EndGraphicsStream();
     WindowMax();
+    free(pixelBuffer);      // don't leak memory
     free(lineBuffer);
-    free(colorPalette);
+    if (colorPalette)
+        free(colorPalette);
     return (noerror);
 }