99 lines
3.2 KiB
C++
99 lines
3.2 KiB
C++
/**
|
|
* 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 <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include "../../inc/MarlinConfig.h"
|
|
|
|
#if ENABLED(SMART_EFFECTOR) && PIN_EXISTS(SMART_EFFECTOR_MOD)
|
|
|
|
#include "../gcode.h"
|
|
#include "../../HAL/shared/Delay.h"
|
|
#include "../parser.h"
|
|
|
|
/**
|
|
* M672 - Set/reset Duet Smart Effector sensitivity
|
|
*
|
|
* One of these is required:
|
|
* S<sensitivity> - 0-255
|
|
* R - Flag to reset sensitivity to default
|
|
*/
|
|
|
|
/**
|
|
* The Marlin format for the M672 command is different than shown in the Duet Smart Effector
|
|
* documentation https://duet3d.dozuki.com/Wiki/Smart_effector_and_carriage_adapters_for_delta_printer
|
|
*
|
|
* To set custom sensitivity:
|
|
* Duet: M672 S105:aaa:bbb
|
|
* Marlin: M672 Saaa
|
|
*
|
|
* (where aaa is the desired sensitivity and bbb is 255 - aaa).
|
|
*
|
|
* Revert sensitivity to factory settings:
|
|
* Duet: M672 S105:131:131
|
|
* Marlin: M672 R
|
|
*/
|
|
|
|
#define M672_PROGBYTE 105 // magic byte to start programming custom sensitivity
|
|
#define M672_ERASEBYTE 131 // magic byte to clear custom sensitivity
|
|
|
|
//
|
|
// Smart Effector byte send protocol:
|
|
//
|
|
// 0 0 1 0 ... always 0010
|
|
// b7 b6 b5 b4 ~b4 ... hi bits, NOT last bit
|
|
// b3 b2 b1 b0 ~b0 ... lo bits, NOT last bit
|
|
//
|
|
void M672_send(uint8_t b) { // bit rate requirement: 1KHz +/- 30%
|
|
for (uint8_t bits = 0; bits < 14; bits++) {
|
|
switch (bits) {
|
|
default: { OUT_WRITE(SMART_EFFECTOR_MOD_PIN, !!(b & 0x80)); b <<= 1; break; } // send bit, shift next into place
|
|
case 7:
|
|
case 12: { OUT_WRITE(SMART_EFFECTOR_MOD_PIN, !!(b & 0x80)); break; } // send bit. no shift
|
|
case 8:
|
|
case 13: { OUT_WRITE(SMART_EFFECTOR_MOD_PIN, !(b & 0x80)); b <<= 1; break; } // send inverted previous bit
|
|
case 0: case 1: // 00
|
|
case 3: { OUT_WRITE(SMART_EFFECTOR_MOD_PIN, LOW); break; } // 0010
|
|
case 2: { OUT_WRITE(SMART_EFFECTOR_MOD_PIN, HIGH); break; } // 001
|
|
}
|
|
DELAY_US(1000);
|
|
}
|
|
}
|
|
|
|
void GcodeSuite::M672() {
|
|
if (parser.seen('R')) {
|
|
M672_send(M672_ERASEBYTE);
|
|
M672_send(M672_ERASEBYTE);
|
|
}
|
|
else if (parser.seenval('S')) {
|
|
const int8_t M672_sensitivity = parser.value_byte();
|
|
M672_send(M672_PROGBYTE);
|
|
M672_send(M672_sensitivity);
|
|
M672_send(255 - M672_sensitivity);
|
|
}
|
|
else {
|
|
SERIAL_ECHO_MSG("!'S' or 'R' parameter required.");
|
|
return;
|
|
}
|
|
|
|
OUT_WRITE(SMART_EFFECTOR_MOD_PIN, LOW); // Keep Smart Effector in NORMAL mode
|
|
}
|
|
|
|
#endif // SMART_EFFECTOR && SMART_EFFECTOR_MOD_PIN
|