Revision 16:784a071dec0e, committed 2014-03-23

Comitter:

frankvnk

Date:

Sun Mar 23 20:02:45 2014 +0000

Parent:

15:5059751d2fa2

Commit message:

Added GetCalibration and SetCalibration

Changed in this revision

--- a/Mini-DK.lib	Tue Mar 18 19:30:28 2014 +0000
+++ b/Mini-DK.lib	Sun Mar 23 20:02:45 2014 +0000
@@ -1,1 +1,1 @@
-http://mbed.org/users/frankvnk/code/Mini-DK/#5feb12e3801f
+http://mbed.org/users/frankvnk/code/Mini-DK/#9d05a7e6dc9d

--- a/main.cpp	Tue Mar 18 19:30:28 2014 +0000
+++ b/main.cpp	Sun Mar 23 20:02:45 2014 +0000
@@ -36,6 +36,13 @@
 
 int main()
 {
+    // Structs for storing touchpanel calibration data.
+    // Can be written to external storage (eg : eeprom),
+    // read back on startup and written to the touchpanel.
+    // As a result, the real calibration only needs to be done once.
+    Matrix matrix;
+    Coordinate ScreenSample[3];
+
     unsigned short LCD_id;
     TFT.claim(stdout);        // send stdout to the TFT display
     // Disable stdout buffering, allows us to omit \n with printf.
@@ -147,6 +154,40 @@
     TP.TouchPanel_Calibrate();
     TFT.set_font((unsigned char*) Arial12x12);
     TFT.set_orientation(0);
+
+    TFT.cls();
+    TFT.locate(0,20);
+    // read calibration results
+    TP.GetCalibration(&matrix, &ScreenSample[0]);
+    printf("Read calibration results.\n");
+    printf("matrix.An = %d\n", matrix.An);
+    printf("matrix.Bn = %d\n", matrix.Bn);
+    printf("matrix.Cn = %d\n", matrix.Cn);
+    printf("matrix.Dn = %d\n", matrix.Dn);
+    printf("matrix.En = %d\n", matrix.En);
+    printf("matrix.Fn = %d\n", matrix.Fn);
+    printf("matrix.Di = %d\n", matrix.Divider);
+    for (i=0;i<3;i++)
+        printf("sample x[%d] = %d\nsample y[%d] = %d\n", i, ScreenSample[i].x, i, ScreenSample[i].y);
+    // Write calibration results
+    printf("\nWrite calibration results...\n");
+    TP.SetCalibration(&matrix, &ScreenSample[0]);
+    printf("Done.\nTouch panel to read again.\n");
+    while(TP._tp_irq);
+    // read calibration results
+    TFT.cls();
+    TFT.locate(0,20);
+    printf("Calibration results.\n\n");
+    printf("matrix.An = %d\n", matrix.An);
+    printf("matrix.Bn = %d\n", matrix.Bn);
+    printf("matrix.Cn = %d\n", matrix.Cn);
+    printf("matrix.Dn = %d\n", matrix.Dn);
+    printf("matrix.En = %d\n", matrix.En);
+    printf("matrix.Fn = %d\n", matrix.Fn);
+    printf("matrix.Di = %d\n", matrix.Divider);
+    for (i=0;i<3;i++)
+        printf("sample x[%d] = %d\nsample y[%d] = %d\n", i, ScreenSample[i].x, i, ScreenSample[i].y);
+
     TFT.locate(0,0);
     printf(" X:");
     TFT.locate(70,0);