54 lines
1.5 KiB
C
54 lines
1.5 KiB
C
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/**
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* Marlin 3D Printer Firmware
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* Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
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*
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* Based on Sprinter and grbl.
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* Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/**
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* M240: Trigger a camera by emulating a Canon RC-1
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* See http://www.doc-diy.net/photo/rc-1_hacked/
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*/
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void gcode_M240() {
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#ifdef CHDK
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OUT_WRITE(CHDK, HIGH);
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chdkHigh = millis();
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chdkActive = true;
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#elif HAS_PHOTOGRAPH
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const uint8_t NUM_PULSES = 16;
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const float PULSE_LENGTH = 0.01524;
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for (int i = 0; i < NUM_PULSES; i++) {
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WRITE(PHOTOGRAPH_PIN, HIGH);
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_delay_ms(PULSE_LENGTH);
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WRITE(PHOTOGRAPH_PIN, LOW);
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_delay_ms(PULSE_LENGTH);
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}
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delay(7.33);
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for (int i = 0; i < NUM_PULSES; i++) {
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WRITE(PHOTOGRAPH_PIN, HIGH);
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_delay_ms(PULSE_LENGTH);
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WRITE(PHOTOGRAPH_PIN, LOW);
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_delay_ms(PULSE_LENGTH);
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}
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#endif
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}
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