This is the David Smart RA8875 Library with mods for working with FRDM-K64F
Diff: RA8875.h
- Revision:
- 154:ad2450fc3dc3
- Parent:
- 153:8a85efb3eb71
- Child:
- 155:b3f225ae572c
diff -r 8a85efb3eb71 -r ad2450fc3dc3 RA8875.h --- a/RA8875.h Sun Jul 29 00:32:51 2018 +0000 +++ b/RA8875.h Fri Aug 17 01:29:06 2018 +0000 @@ -424,7 +424,7 @@ /// This constructor differs from the alternate by supportting /// either No Touch Screen, or the RA8875 built-in resistive /// touch screen. If the application requires the use of the - /// capacitive touchscreen, the alternate constructor should + /// capacitive touchscreen, the alternate constructor must /// be used. /// /// This configures the registers and calls the @ref init method. @@ -2337,6 +2337,52 @@ /// outside of this API. /// /// @code + /// // Calibrate the resistive touch screen, and store the data on the + /// // local file system. + /// // + /// void CalibrateTS(void) + /// { + /// 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(); + /// } + /// + /// // Try to load a previous resistive touch screen calibration from storage. If it + /// // doesn't exist, activate the touch screen calibration process. + /// // + /// void InitTS(void) + /// { + /// 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(); + /// } + /// } + /// /// int main() /// { /// point_t src;