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: RA8875.cpp

Revision:
137:9e09f6081ef1
Parent:
136:224e03d5c31f
Child:
140:33ca352755a2
--- a/RA8875.cpp	Wed Nov 16 02:48:45 2016 +0000
+++ b/RA8875.cpp	Thu Dec 08 12:29:54 2016 +0000
@@ -1739,20 +1739,21 @@
 
 RetCode_t RA8875::BlockMove(uint8_t dstLayer, uint8_t dstDataSelect, point_t dstPoint,
     uint8_t srcLayer, uint8_t srcDataSelect, point_t srcPoint,
-    uint16_t bte_width, uint16_t bte_height,
+    dim_t bte_width, dim_t bte_height,
     uint8_t bte_op_code, uint8_t bte_rop_code)
 {
     uint8_t cmd;
 
     PERFORMANCE_RESET;
+    ///@todo range check and error return rather than to secretly fix
     srcPoint.x &= 0x3FF;    // prevent high bits from doing unexpected things
     srcPoint.y &= 0x1FF;
     dstPoint.x &= 0x3FF;
     dstPoint.y &= 0x1FF;
     WriteCommandW(0x54, srcPoint.x);
-    WriteCommandW(0x56, ((srcLayer & 1) << 7) | srcPoint.y);
+    WriteCommandW(0x56, ((dim_t)(srcLayer & 1) << 15) | srcPoint.y);
     WriteCommandW(0x58, dstPoint.x);
-    WriteCommandW(0x5A, ((dstLayer & 1) << 7) | dstPoint.y);
+    WriteCommandW(0x5A, ((dim_t)(dstLayer & 1) << 15) | dstPoint.y);
     WriteCommandW(0x5C, bte_width);
     WriteCommandW(0x5E, bte_height);
     WriteCommand(0x51,  ((bte_rop_code & 0x0F) << 4) | (bte_op_code & 0x0F));