Diff: ResistiveTouchCal.cpp

Revision:

0:d06677ab6ca6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ResistiveTouchCal.cpp	Sun Aug 06 14:29:55 2017 +0000
@@ -0,0 +1,41 @@
+#include "ResistiveTouchCal.h"
+
+void CalibrateTS(RA8875 & lcd)
+{
+    FILE * fh;
+    tpMatrix_t matrix;
+    RetCode_t r;
+    Timer testperiod;
+ 
+    r = lcd.TouchPanelCalibrate("Calibrate the touch panel", &matrix);
+    if (r == noerror) {
+        fh = fopen("/local/tpcal.cfg", "wb");
+        if (fh) {
+            fwrite(&matrix, sizeof(tpMatrix_t), 1, fh);
+            fclose(fh);
+            printf("  tp cal written.\r\n");
+            lcd.cls();
+        } else {
+            printf("  couldn't open tpcal file.\r\n");
+        }
+    } else {
+        printf("error return: %d\r\n", r);
+    }
+    lcd.cls();
+}
+
+void InitTS(RA8875 & lcd)
+{
+    FILE * fh;
+    tpMatrix_t matrix;
+
+    fh = fopen("/local/tpcal.cfg", "rb");
+    if (fh) {
+        fread(&matrix, sizeof(tpMatrix_t), 1, fh);
+        fclose(fh);
+        lcd.TouchPanelSetMatrix(&matrix);
+        printf("  tp cal loaded.\r\n");
+    } else {
+        CalibrateTS(lcd);
+    }
+}