Diff: uVGAIII_Touch.cpp

Revision:

0:de1ab53f3480

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uVGAIII_Touch.cpp	Mon Mar 24 17:35:56 2014 +0000
@@ -0,0 +1,111 @@
+//
+// uVGAIII is a class to drive 4D Systems TFT touch screens
+//
+// Copyright (C) <2010> Stephane ROCHON <stephane.rochon at free.fr>
+//
+// uVGAIII is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// uVGAIII is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with uVGAIII.  If not, see <http://www.gnu.org/licenses/>.
+
+#include "mbed.h"
+#include "uVGAIII.h"
+
+//******************************************************************************************************
+int uVGAIII :: touch_status(void) {      // Get the touch screen status
+    char command[4] = "";
+    
+    command[0] = (TOUCHGET >> 8) & 0xFF;
+    command[1] = TOUCHGET & 0xFF;
+    
+    command[2] = (STATUS >> 8) & 0xFF;
+    command[3] = STATUS & 0xFF;
+    
+    return getSTATUS(command, 4);       
+}
+
+//******************************************************************************************************
+void uVGAIII :: touch_get_x(int *x) {    // Get X coordinates
+    char command[4] = "";
+    
+    command[0] = (TOUCHGET >> 8) & 0xFF;
+    command[1] = TOUCHGET & 0xFF;
+    
+    command[2] = 0;
+    command[3] = GETXPOSITION;
+    
+    getTOUCH(command, 4, x);
+    
+#if DEBUGMODE
+    pc.printf("Get X coordinates completed.\n");
+#endif
+}
+
+//******************************************************************************************************
+void uVGAIII :: touch_get_y(int *y) {    // Get Y coordinates
+    char command[4] = "";
+    
+    command[0] = (TOUCHGET >> 8) & 0xFF;
+    command[1] = TOUCHGET & 0xFF;
+    
+    command[2] = 0;
+    command[3] = GETYPOSITION;
+    
+    getTOUCH(command, 4, y);
+    
+#if DEBUGMODE
+    pc.printf("Get Y coordinates completed.\n");
+#endif
+}
+
+//******************************************************************************************************
+void uVGAIII :: touch_set(char mode) {    // Sets various Touch Screen related parameters
+
+    char command[4]= "";
+
+    command[0] = (TOUCHSET >>8) & 0xFF;
+    command[1] = TOUCHSET & 0xFF;
+
+    command[2] = 0;
+    command[3] = mode;
+
+    writeCOMMAND(command, 4, 1);
+    
+#if DEBUGMODE
+    pc.printf("Touch set completed.\n");
+#endif
+}
+
+//******************************************************************************************************
+void uVGAIII :: detect_touch_region(int x1, int y1, int x2, int y2) {   // Specificies a new touch detect region on the screen
+    char command[10] = "";  
+    
+    command[0] = (TOUCHDETECT >> 8) & 0xFF;
+    command[1] = TOUCHDETECT & 0xFF;
+    
+    command[2] = (x1 >> 8) & 0xFF;
+    command[3] = x1 & 0xFF;
+
+    command[4] = (y1 >> 8) & 0xFF;
+    command[5] = y1 & 0xFF;
+
+    command[6] = (x2 >> 8) & 0xFF;
+    command[7] = x2 & 0xFF;
+
+    command[8] = (y2 >> 8) & 0xFF;
+    command[9] = y2 & 0xFF;
+
+    writeCOMMAND(command, 10, 1);
+    
+#if DEBUGMODE
+    pc.printf("Detect touch region completed.\n");
+#endif 
+}
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