bissen21/Marlin_Firmware
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Allow BL-Touch users to control heaters during probe event (#6485)

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The Configuration.h file entries for BL-Touch have been updated to:
```cpp
//#define BLTOUCH
//#define BLTOUCH_DELAY 375      // (ms) Enable and increase if needed
//#define BLTOUCH_HEATERS_OFF // if defined the printer's heaters are
turned off during probe event
```
This commit is contained in:
Roxy-3D
2017-04-28 09:19:55 -05:00
committed by GitHub
parent 6e8ecb908a
commit 4075b95519
28 changed files with 60 additions and 27 deletions
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8
Marlin/Marlin_main.cpp
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@ -2067,10 +2067,11 @@ static void clean_up_after_endstop_or_probe_move() {
//
// The BL-Touch probes have a HAL effect sensor. The high currents switching
// on and off cause big magnetic fields that can affect the reliability of the
// on and off cause big magnetic fields that can affect the repeatability of the
// sensor. So, for BL-Touch probes, we turn off the heaters during the actual probe.
// And then we quickly turn them back on after we have sampled the point
//
#if ENABLED(BLTOUCH_HEATERS_OFF)
void turn_heaters_on_or_off_for_bltouch(const bool deploy) {
static int8_t bltouch_recursion_cnt=0;
static millis_t last_emi_protection=0;
@ -2105,9 +2106,12 @@ static void clean_up_after_endstop_or_probe_move() {
}
}
}
#endif
void set_bltouch_deployed(const bool deploy) {
#if ENABLED(BLTOUCH_HEATERS_OFF)
turn_heaters_on_or_off_for_bltouch(deploy);
#endif
if (deploy && TEST_BLTOUCH()) { // If BL-Touch says it's triggered
bltouch_command(BLTOUCH_RESET); // try to reset it.
bltouch_command(BLTOUCH_DEPLOY); // Also needs to deploy and stow to
@ -2143,7 +2147,9 @@ static void clean_up_after_endstop_or_probe_move() {
#endif
#if ENABLED(BLTOUCH)
#if ENABLED(BLTOUCH_HEATERS_OFF)
turn_heaters_on_or_off_for_bltouch(deploy);
#endif
#endif
if (endstops.z_probe_enabled == deploy) return false;