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C++

/**
* Marlin 3D Printer Firmware
* Copyright (C) 2016 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(HAVE_TMC2130)
#include "tmc2130.h"
#include "../Marlin.h"
#include "../module/stepper_indirection.h"
#include "../module/printcounter.h"
#include "../libs/duration_t.h"
#ifdef AUTOMATIC_CURRENT_CONTROL
bool auto_current_control = 0;
#endif
void automatic_current_control(TMC2130Stepper &st, String axisID) {
// Check otpw even if we don't use automatic control. Allows for flag inspection.
const bool is_otpw = st.checkOT();
// Report if a warning was triggered
static bool previous_otpw = false;
if (is_otpw && !previous_otpw) {
char timestamp[10];
duration_t elapsed = print_job_timer.duration();
const bool has_days = (elapsed.value > 60*60*24L);
(void)elapsed.toDigital(timestamp, has_days);
SERIAL_ECHO(timestamp);
SERIAL_ECHOPGM(": ");
SERIAL_ECHO(axisID);
SERIAL_ECHOLNPGM(" driver overtemperature warning!");
}
previous_otpw = is_otpw;
#if ENABLED(AUTOMATIC_CURRENT_CONTROL) && CURRENT_STEP > 0
// Return if user has not enabled current control start with M906 S1.
if (!auto_current_control) return;
/**
* Decrease current if is_otpw is true.
* Bail out if driver is disabled.
* Increase current if OTPW has not been triggered yet.
*/
uint16_t current = st.getCurrent();
if (is_otpw) {
st.setCurrent(current - CURRENT_STEP, R_SENSE, HOLD_MULTIPLIER);
#if ENABLED(REPORT_CURRENT_CHANGE)
SERIAL_ECHO(axisID);
SERIAL_ECHOPAIR(" current decreased to ", st.getCurrent());
#endif
}
else if (!st.isEnabled())
return;
else if (!is_otpw && !st.getOTPW()) {
current += CURRENT_STEP;
if (current <= AUTO_ADJUST_MAX) {
st.setCurrent(current, R_SENSE, HOLD_MULTIPLIER);
#if ENABLED(REPORT_CURRENT_CHANGE)
SERIAL_ECHO(axisID);
SERIAL_ECHOPAIR(" current increased to ", st.getCurrent());
#endif
}
}
SERIAL_EOL();
#endif
}
void tmc2130_checkOverTemp(void) {
static millis_t next_cOT = 0;
if (ELAPSED(millis(), next_cOT)) {
next_cOT = millis() + 5000;
#if ENABLED(X_IS_TMC2130)
automatic_current_control(stepperX, "X");
#endif
#if ENABLED(Y_IS_TMC2130)
automatic_current_control(stepperY, "Y");
#endif
#if ENABLED(Z_IS_TMC2130)
automatic_current_control(stepperZ, "Z");
#endif
#if ENABLED(X2_IS_TMC2130)
automatic_current_control(stepperX2, "X2");
#endif
#if ENABLED(Y2_IS_TMC2130)
automatic_current_control(stepperY2, "Y2");
#endif
#if ENABLED(Z2_IS_TMC2130)
automatic_current_control(stepperZ2, "Z2");
#endif
#if ENABLED(E0_IS_TMC2130)
automatic_current_control(stepperE0, "E0");
#endif
#if ENABLED(E1_IS_TMC2130)
automatic_current_control(stepperE1, "E1");
#endif
#if ENABLED(E2_IS_TMC2130)
automatic_current_control(stepperE2, "E2");
#endif
#if ENABLED(E3_IS_TMC2130)
automatic_current_control(stepperE3, "E3");
#endif
#if ENABLED(E4_IS_TMC2130)
automatic_current_control(stepperE4, "E4");
#endif
}
}
/**
* TMC2130 specific sensorless homing using stallGuard2.
* stallGuard2 only works when in spreadCycle mode.
* spreadCycle and stealthChop are mutually exclusive.
*/
#if ENABLED(SENSORLESS_HOMING)
void tmc2130_sensorless_homing(TMC2130Stepper &st, bool enable/*=true*/) {
#if ENABLED(STEALTHCHOP)
if (enable) {
st.coolstep_min_speed(1024UL * 1024UL - 1UL);
st.stealthChop(0);
}
else {
st.coolstep_min_speed(0);
st.stealthChop(1);
}
#endif
st.diag1_stall(enable ? 1 : 0);
}
#endif // SENSORLESS_HOMING
#endif // HAVE_TMC2130