Mon, 21 Jun 2021 19:04:10 +0200
Finished experimental code to drive the German HendiControl board. Added BoilPower and RampPower buttons during the while boil process. RampPower (going to boil power) is now adjustable. Added PWM driver code to the driver task.
/** * @file calibration.c * @brief TFT screen calibration. */ #include "config.h" static const char *TAG = "calibration"; extern uint16_t tp_xleft; ///< Testpoint X left extern uint16_t tp_xright; ///< Testpoint X right extern uint16_t tp_ytop; ///< Testpoint Y top extern uint16_t tp_ybottom; ///< Testpoint Y bottom // Distance of the testpoints from the corders. #define CAL_DISTANCE 15 ///< Testpoint size int TS_set_calibration(int xleft, int xright, int ytop, int ybottom) { if ((xleft > xright) || (ybottom > ytop)) { ESP_LOGE(TAG, "Touch Calibration error X=%d..%d Y=%d..%d", xleft, xright, ybottom, ytop); return 1; } tp_xleft = xleft; tp_xright = xright; tp_ytop = ytop; tp_ybottom = ybottom; ESP_LOGI(TAG, "Touch Calibration X=%d..%d Y=%d..%d", xleft, xright, ybottom, ytop); return 0; } void Calibration_Init(void) { _fg = TFT_ORANGE; TFT_setFont(DEJAVU24_FONT, NULL); TFT_print((char *)"Scherm calibratie", CENTER, 60); TFT_setFont(DEJAVU18_FONT, NULL); TFT_print((char *)"Druk op de oplichtende stippen", CENTER, 90); } /* * Run in a blocking loop */ void Calibration_Loop(void) { int tx, ty, pass, cx[8], cy[8], xl = 0, xh = 0, yl = 0, yh = 0; int offset; pass = 0; ESP_LOGI(TAG, "Touchscreen calibration"); while (1) { switch (pass) { case 0: case 4: TFT_fillCircle(320 - CAL_DISTANCE, 240 - CAL_DISTANCE, 5, TFT_BLACK); TFT_fillCircle(CAL_DISTANCE, CAL_DISTANCE, 5, TFT_YELLOW); xl = 2800; xh = 3800; yl = 2800; yh = 3800; break; case 1: case 5: TFT_fillCircle(CAL_DISTANCE, CAL_DISTANCE, 5, TFT_BLACK); TFT_fillCircle(320 - CAL_DISTANCE, CAL_DISTANCE, 5, TFT_YELLOW); xl = 2800; xh = 3800; yl = 100; yh = 1000; break; case 2: case 6: TFT_fillCircle(320 - CAL_DISTANCE, CAL_DISTANCE, 5, TFT_BLACK); TFT_fillCircle(CAL_DISTANCE, 240 - CAL_DISTANCE, 5, TFT_YELLOW); xl = 100; xh = 1000; yl = 2800; yh = 3800; break; case 3: case 7: TFT_fillCircle(CAL_DISTANCE, 240 - CAL_DISTANCE, 5, TFT_BLACK); TFT_fillCircle(320 - CAL_DISTANCE, 240 - CAL_DISTANCE, 5, TFT_YELLOW); xl = 100; xh = 1000; yl = 100; yh = 1000; break; } if (TFT_read_touch(&tx, &ty, 1)) { // Raw read touch. printf(" Calibrarion loop %d %d %d\n", pass, tx, ty); if ((tx >= xl) && (tx <= xh) && (ty >= yl) && (ty <= yh)) { cx[pass] = tx; cy[pass] = ty; pass++; if (pass == 8) { break; } } else { SoundPlay(SOUND_Warn); } WaitTouchReleased(); } vTaskDelay(100 / portTICK_PERIOD_MS); } TFT_fillScreen(TFT_BLACK); TFT_setFont(DEJAVU18_FONT, NULL); TFT_print((char *)"Scherm calibratie is klaar.", CENTER, 60); /* * Calculate the new calibration values. * The testdots were 10 pixels of the corners, * so take that in account. */ offset = (CAL_DISTANCE * 3800) / 240; config.ts_xleft = ((cx[2] + cx[3] + cx[6] + cx[7]) / 4) - offset; config.ts_xright = ((cx[0] + cx[1] + cx[4] + cx[5]) / 4) + offset; offset = (CAL_DISTANCE * 3800) / 320; config.ts_ytop = ((cy[0] + cy[2] + cy[4] + cy[6]) / 4) + offset; config.ts_ybottom = ((cy[1] + cy[3] + cy[5] + cy[7]) / 4) - offset; TS_set_calibration(config.ts_xleft, config.ts_xright, config.ts_ytop, config.ts_ybottom); write_config(); Buttons_Add(130, 200, 60, 40, (char *)"Ok", 0); Buttons_Show(); while (1) { vTaskDelay(20 / portTICK_PERIOD_MS); if (Buttons_Scan() == 0) { return; break; } } }