123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115 |
- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
- *
- * Based on Sprinter and grbl.
- * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
- *
- * This program 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.
- *
- * This program 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 this program. If not, see <https://www.gnu.org/licenses/>.
- *
- */
-
- #include "../../inc/MarlinConfig.h"
-
- #if ENABLED(TOUCH_SCREEN_CALIBRATION)
-
- #include "touch_calibration.h"
-
- #define TOUCH_CALIBRATION_MAX_RETRIES 5
-
- #define DEBUG_OUT ENABLED(DEBUG_TOUCH_CALIBRATION)
- #include "../../core/debug_out.h"
-
- #if ENABLED(TOUCH_CALIBRATION_AUTO_SAVE)
- #include "../../module/settings.h"
- #endif
-
- TouchCalibration touch_calibration;
-
- touch_calibration_t TouchCalibration::calibration;
- calibrationState TouchCalibration::calibration_state = CALIBRATION_NONE;
- touch_calibration_point_t TouchCalibration::calibration_points[4];
- uint8_t TouchCalibration::failed_count;
-
- void TouchCalibration::validate_calibration() {
- #define VALIDATE_PRECISION(XY, A, B) validate_precision_##XY(CALIBRATION_##A, CALIBRATION_##B)
- const bool landscape = VALIDATE_PRECISION(x, TOP_LEFT, BOTTOM_LEFT)
- && VALIDATE_PRECISION(x, TOP_RIGHT, BOTTOM_RIGHT)
- && VALIDATE_PRECISION(y, TOP_LEFT, TOP_RIGHT)
- && VALIDATE_PRECISION(y, BOTTOM_LEFT, BOTTOM_RIGHT);
- const bool portrait = VALIDATE_PRECISION(y, TOP_LEFT, BOTTOM_LEFT)
- && VALIDATE_PRECISION(y, TOP_RIGHT, BOTTOM_RIGHT)
- && VALIDATE_PRECISION(x, TOP_LEFT, TOP_RIGHT)
- && VALIDATE_PRECISION(x, BOTTOM_LEFT, BOTTOM_RIGHT);
- #undef VALIDATE_PRECISION
-
- #define CAL_PTS(N) calibration_points[CALIBRATION_##N]
- if (landscape) {
- calibration_state = CALIBRATION_SUCCESS;
- calibration.x = ((CAL_PTS(TOP_RIGHT).x - CAL_PTS(TOP_LEFT).x) << 17) / (CAL_PTS(BOTTOM_RIGHT).raw_x + CAL_PTS(TOP_RIGHT).raw_x - CAL_PTS(BOTTOM_LEFT).raw_x - CAL_PTS(TOP_LEFT).raw_x);
- calibration.y = ((CAL_PTS(BOTTOM_LEFT).y - CAL_PTS(TOP_LEFT).y) << 17) / (CAL_PTS(BOTTOM_RIGHT).raw_y - CAL_PTS(TOP_RIGHT).raw_y + CAL_PTS(BOTTOM_LEFT).raw_y - CAL_PTS(TOP_LEFT).raw_y);
- calibration.offset_x = CAL_PTS(TOP_LEFT).x - int16_t(((CAL_PTS(TOP_LEFT).raw_x + CAL_PTS(BOTTOM_LEFT).raw_x) * calibration.x) >> 17);
- calibration.offset_y = CAL_PTS(TOP_LEFT).y - int16_t(((CAL_PTS(TOP_LEFT).raw_y + CAL_PTS(TOP_RIGHT).raw_y) * calibration.y) >> 17);
- calibration.orientation = TOUCH_LANDSCAPE;
- }
- else if (portrait) {
- calibration_state = CALIBRATION_SUCCESS;
- calibration.x = ((CAL_PTS(TOP_RIGHT).x - CAL_PTS(TOP_LEFT).x) << 17) / (CAL_PTS(BOTTOM_RIGHT).raw_y + CAL_PTS(TOP_RIGHT).raw_y - CAL_PTS(BOTTOM_LEFT).raw_y - CAL_PTS(TOP_LEFT).raw_y);
- calibration.y = ((CAL_PTS(BOTTOM_LEFT).y - CAL_PTS(TOP_LEFT).y) << 17) / (CAL_PTS(BOTTOM_RIGHT).raw_x - CAL_PTS(TOP_RIGHT).raw_x + CAL_PTS(BOTTOM_LEFT).raw_x - CAL_PTS(TOP_LEFT).raw_x);
- calibration.offset_x = CAL_PTS(TOP_LEFT).x - int16_t(((CAL_PTS(TOP_LEFT).raw_y + CAL_PTS(BOTTOM_LEFT).raw_y) * calibration.x) >> 17);
- calibration.offset_y = CAL_PTS(TOP_LEFT).y - int16_t(((CAL_PTS(TOP_LEFT).raw_x + CAL_PTS(TOP_RIGHT).raw_x) * calibration.y) >> 17);
- calibration.orientation = TOUCH_PORTRAIT;
- }
- else {
- calibration_state = CALIBRATION_FAIL;
- calibration_reset();
- if (need_calibration() && failed_count++ < TOUCH_CALIBRATION_MAX_RETRIES) calibration_state = CALIBRATION_TOP_LEFT;
- }
- #undef CAL_PTS
-
- if (calibration_state == CALIBRATION_SUCCESS) {
- SERIAL_ECHOLNPGM("Touch screen calibration completed");
- SERIAL_ECHOLNPGM("TOUCH_CALIBRATION_X ", calibration.x);
- SERIAL_ECHOLNPGM("TOUCH_CALIBRATION_Y ", calibration.y);
- SERIAL_ECHOLNPGM("TOUCH_OFFSET_X ", calibration.offset_x);
- SERIAL_ECHOLNPGM("TOUCH_OFFSET_Y ", calibration.offset_y);
- SERIAL_ECHO_TERNARY(calibration.orientation == TOUCH_LANDSCAPE, "TOUCH_ORIENTATION ", "TOUCH_LANDSCAPE", "TOUCH_PORTRAIT", "\n");
- TERN_(TOUCH_CALIBRATION_AUTO_SAVE, settings.save());
- }
- }
-
- bool TouchCalibration::handleTouch(uint16_t x, uint16_t y) {
- static millis_t next_button_update_ms = 0;
- const millis_t now = millis();
- if (PENDING(now, next_button_update_ms)) return false;
- next_button_update_ms = now + BUTTON_DELAY_MENU;
-
- if (calibration_state < CALIBRATION_SUCCESS) {
- calibration_points[calibration_state].raw_x = x;
- calibration_points[calibration_state].raw_y = y;
- DEBUG_ECHOLNPGM("TouchCalibration - State: ", calibration_state, ", x: ", calibration_points[calibration_state].x, ", raw_x: ", x, ", y: ", calibration_points[calibration_state].y, ", raw_y: ", y);
- }
-
- switch (calibration_state) {
- case CALIBRATION_TOP_LEFT: calibration_state = CALIBRATION_BOTTOM_LEFT; break;
- case CALIBRATION_BOTTOM_LEFT: calibration_state = CALIBRATION_TOP_RIGHT; break;
- case CALIBRATION_TOP_RIGHT: calibration_state = CALIBRATION_BOTTOM_RIGHT; break;
- case CALIBRATION_BOTTOM_RIGHT: validate_calibration(); break;
- default: break;
- }
-
- return true;
- }
-
- #endif // TOUCH_SCREEN_CALIBRATION
|