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- /**
- * Marlin 3D Printer Firmware
- * Copyright (c) 2021 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/MarlinConfigPre.h"
-
- #if ENABLED(EASYTHREED_UI)
-
- #include "easythreed_ui.h"
- #include "pause.h"
- #include "../module/temperature.h"
- #include "../module/printcounter.h"
- #include "../sd/cardreader.h"
- #include "../gcode/queue.h"
- #include "../module/motion.h"
- #include "../module/planner.h"
- #include "../MarlinCore.h"
-
- EasythreedUI easythreed_ui;
-
- #define BTN_DEBOUNCE_MS 20
-
- void EasythreedUI::init() {
- SET_INPUT_PULLUP(BTN_HOME); SET_OUTPUT(BTN_HOME_GND);
- SET_INPUT_PULLUP(BTN_FEED); SET_OUTPUT(BTN_FEED_GND);
- SET_INPUT_PULLUP(BTN_RETRACT); SET_OUTPUT(BTN_RETRACT_GND);
- SET_INPUT_PULLUP(BTN_PRINT);
- SET_OUTPUT(EASYTHREED_LED_PIN);
- }
-
- void EasythreedUI::run() {
- blinkLED();
- loadButton();
- printButton();
- }
-
- enum LEDInterval : uint16_t {
- LED_OFF = 0,
- LED_ON = 4000,
- LED_BLINK_0 = 2500,
- LED_BLINK_1 = 1500,
- LED_BLINK_2 = 1000,
- LED_BLINK_3 = 800,
- LED_BLINK_4 = 500,
- LED_BLINK_5 = 300,
- LED_BLINK_6 = 150,
- LED_BLINK_7 = 50
- };
-
- uint16_t blink_interval_ms = LED_ON; // Status LED on Start button
-
- void EasythreedUI::blinkLED() {
- static millis_t prev_blink_interval_ms = 0, blink_start_ms = 0;
-
- if (blink_interval_ms == LED_OFF) { WRITE(EASYTHREED_LED_PIN, HIGH); return; } // OFF
- if (blink_interval_ms >= LED_ON) { WRITE(EASYTHREED_LED_PIN, LOW); return; } // ON
-
- const millis_t ms = millis();
- if (prev_blink_interval_ms != blink_interval_ms) {
- prev_blink_interval_ms = blink_interval_ms;
- blink_start_ms = ms;
- }
- if (PENDING(ms, blink_start_ms + blink_interval_ms))
- WRITE(EASYTHREED_LED_PIN, LOW);
- else if (PENDING(ms, blink_start_ms + 2 * blink_interval_ms))
- WRITE(EASYTHREED_LED_PIN, HIGH);
- else
- blink_start_ms = ms;
- }
-
- //
- // Filament Load/Unload Button
- // Load/Unload buttons are a 3 position switch with a common center ground.
- //
- void EasythreedUI::loadButton() {
- if (printingIsActive()) return;
-
- enum FilamentStatus : uint8_t { FS_IDLE, FS_PRESS, FS_CHECK, FS_PROCEED };
- static uint8_t filament_status = FS_IDLE;
- static millis_t filament_time = 0;
-
- switch (filament_status) {
-
- case FS_IDLE:
- if (!READ(BTN_RETRACT) || !READ(BTN_FEED)) { // If feed/retract switch is toggled...
- filament_status++; // ...proceed to next test.
- filament_time = millis();
- }
- break;
-
- case FS_PRESS:
- if (ELAPSED(millis(), filament_time + BTN_DEBOUNCE_MS)) { // After a short debounce delay...
- if (!READ(BTN_RETRACT) || !READ(BTN_FEED)) { // ...if switch still toggled...
- thermalManager.setTargetHotend(EXTRUDE_MINTEMP + 10, 0); // Start heating up
- blink_interval_ms = LED_BLINK_7; // Set the LED to blink fast
- filament_status++;
- }
- else
- filament_status = FS_IDLE; // Switch not toggled long enough
- }
- break;
-
- case FS_CHECK:
- if (READ(BTN_RETRACT) && READ(BTN_FEED)) { // Switch in center position (stop)
- blink_interval_ms = LED_ON; // LED on steady
- filament_status = FS_IDLE;
- thermalManager.disable_all_heaters();
- }
- else if (thermalManager.hotEnoughToExtrude(0)) { // Is the hotend hot enough to move material?
- filament_status++; // Proceed to feed / retract.
- blink_interval_ms = LED_BLINK_5; // Blink ~3 times per second
- }
- break;
-
- case FS_PROCEED: {
- // Feed or Retract just once. Hard abort all moves and return to idle on swicth release.
- static bool flag = false;
- if (READ(BTN_RETRACT) && READ(BTN_FEED)) { // Switch in center position (stop)
- flag = false; // Restore flag to false
- filament_status = FS_IDLE; // Go back to idle state
- quickstop_stepper(); // Hard-stop all the steppers ... now!
- thermalManager.disable_all_heaters(); // And disable all the heaters
- blink_interval_ms = LED_ON;
- }
- else if (!flag) {
- flag = true;
- queue.inject(!READ(BTN_RETRACT) ? F("G91\nG0 E10 F180\nG0 E-120 F180\nM104 S0") : F("G91\nG0 E100 F120\nM104 S0"));
- }
- } break;
- }
-
- }
-
- #if HAS_STEPPER_RESET
- void disableStepperDrivers();
- #endif
-
- //
- // Print Start/Pause/Resume Button
- //
- void EasythreedUI::printButton() {
- enum KeyStatus : uint8_t { KS_IDLE, KS_PRESS, KS_PROCEED };
- static uint8_t key_status = KS_IDLE;
- static millis_t key_time = 0;
-
- enum PrintFlag : uint8_t { PF_START, PF_PAUSE, PF_RESUME };
- static PrintFlag print_key_flag = PF_START;
-
- const millis_t ms = millis();
-
- switch (key_status) {
- case KS_IDLE:
- if (!READ(BTN_PRINT)) { // Print/Pause/Resume button pressed?
- key_time = ms; // Save start time
- key_status++; // Go to debounce test
- }
- break;
-
- case KS_PRESS:
- if (ELAPSED(ms, key_time + BTN_DEBOUNCE_MS)) // Wait for debounce interval to expire
- key_status = READ(BTN_PRINT) ? KS_IDLE : KS_PROCEED; // Proceed if still pressed
- break;
-
- case KS_PROCEED:
- if (!READ(BTN_PRINT)) break; // Wait for the button to be released
- key_status = KS_IDLE; // Ready for the next press
- if (PENDING(ms, key_time + 1200 - BTN_DEBOUNCE_MS)) { // Register a press < 1.2 seconds
- switch (print_key_flag) {
- case PF_START: { // The "Print" button starts an SD card print
- if (printingIsActive()) break; // Already printing? (find another line that checks for 'is planner doing anything else right now?')
- blink_interval_ms = LED_BLINK_2; // Blink the indicator LED at 1 second intervals
- print_key_flag = PF_PAUSE; // The "Print" button now pauses the print
- card.mount(); // Force SD card to mount - now!
- if (!card.isMounted) { // Failed to mount?
- blink_interval_ms = LED_OFF; // Turn off LED
- print_key_flag = PF_START;
- return; // Bail out
- }
- card.ls(); // List all files to serial output
- const uint16_t filecnt = card.countFilesInWorkDir(); // Count printable files in cwd
- if (filecnt == 0) return; // None are printable?
- card.selectFileByIndex(filecnt); // Select the last file according to current sort options
- card.openAndPrintFile(card.filename); // Start printing it
- break;
- }
- case PF_PAUSE: { // Pause printing (not currently firing)
- if (!printingIsActive()) break;
- blink_interval_ms = LED_ON; // Set indicator to steady ON
- queue.inject(F("M25")); // Queue Pause
- print_key_flag = PF_RESUME; // The "Print" button now resumes the print
- break;
- }
- case PF_RESUME: { // Resume printing
- if (printingIsActive()) break;
- blink_interval_ms = LED_BLINK_2; // Blink the indicator LED at 1 second intervals
- queue.inject(F("M24")); // Queue resume
- print_key_flag = PF_PAUSE; // The "Print" button now pauses the print
- break;
- }
- }
- }
- else { // Register a longer press
- if (print_key_flag == PF_START && !printingIsActive()) { // While not printing, this moves Z up 10mm
- blink_interval_ms = LED_ON;
- queue.inject(F("G91\nG0 Z10 F600\nG90")); // Raise Z soon after returning to main loop
- }
- else { // While printing, cancel print
- card.abortFilePrintSoon(); // There is a delay while the current steps play out
- blink_interval_ms = LED_OFF; // Turn off LED
- }
- planner.synchronize(); // Wait for commands already in the planner to finish
- TERN_(HAS_STEPPER_RESET, disableStepperDrivers()); // Disable all steppers - now!
- print_key_flag = PF_START; // The "Print" button now starts a new print
- }
- break;
- }
- }
- #endif // EASYTHREED_UI
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