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Probe Tare, Probe Activation Switch (#20379)

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Co-authored-by: Scott Lahteine <github@thinkyhead.com>
Co-authored-by: Victor Mateus Oliveira <rhapsodyv@gmail.com>
Co-authored-by: Jason Smith <jason.inet@gmail.com>
This commit is contained in:
InsanityAutomation
2020-12-19 23:11:43 -05:00
committed by GitHub
parent 7a168205eb
commit 2963229dfa
9 changed files with 108 additions and 7 deletions
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37
Marlin/src/module/probe.cpp
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@ -512,6 +512,33 @@ bool Probe::probe_down_to_z(const float z, const feedRate_t fr_mm_s) {
return !probe_triggered;
}
#if ENABLED(PROBE_TARE)
/**
* @brief Tare the Z probe
*
* @details Signal to the probe to tare itself
*
* @return TRUE if the tare cold not be completed
*/
bool Probe::tare() {
#if BOTH(PROBE_ACTIVATION_SWITCH, PROBE_TARE_ONLY_WHILE_INACTIVE)
if (READ(PROBE_ACTIVATION_SWITCH_PIN) == PROBE_ACTIVATION_SWITCH_STATE) {
SERIAL_ECHOLNPGM("Cannot tare an active probe");
return true;
}
#endif
SERIAL_ECHOLNPGM("Taring probe");
OUT_WRITE(PROBE_TARE_PIN, PROBE_TARE_STATE);
delay(PROBE_TARE_TIME);
OUT_WRITE(PROBE_TARE_PIN, !PROBE_TARE_STATE);
delay(PROBE_TARE_DELAY);
endstops.hit_on_purpose();
return false;
}
#endif
/**
* @brief Probe at the current XY (possibly more than once) to find the bed Z.
*
@ -523,8 +550,11 @@ bool Probe::probe_down_to_z(const float z, const feedRate_t fr_mm_s) {
float Probe::run_z_probe(const bool sanity_check/*=true*/) {
DEBUG_SECTION(log_probe, "Probe::run_z_probe", DEBUGGING(LEVELING));
auto try_to_probe = [&](PGM_P const plbl, const float &z_probe_low_point, const feedRate_t fr_mm_s, const bool scheck, const float clearance) {
auto try_to_probe = [&](PGM_P const plbl, const float &z_probe_low_point, const feedRate_t fr_mm_s, const bool scheck, const float clearance) -> bool {
// Do a first probe at the fast speed
if (TERN0(PROBE_TARE, tare())) return true;
const bool probe_fail = probe_down_to_z(z_probe_low_point, fr_mm_s), // No probe trigger?
early_fail = (scheck && current_position.z > -offset.z + clearance); // Probe triggered too high?
#if ENABLED(DEBUG_LEVELING_FEATURE)
@ -549,6 +579,8 @@ float Probe::run_z_probe(const bool sanity_check/*=true*/) {
#if TOTAL_PROBING == 2
// Do a first probe at the fast speed
if (TERN0(PROBE_TARE, tare())) return NAN;
if (try_to_probe(PSTR("FAST"), z_probe_low_point, z_probe_fast_mm_s,
sanity_check, Z_CLEARANCE_BETWEEN_PROBES) ) return NAN;
@ -586,6 +618,9 @@ float Probe::run_z_probe(const bool sanity_check/*=true*/) {
)
#endif
{
// If the probe won't tare, return
if (TERN0(PROBE_TARE, tare())) return true;
// Probe downward slowly to find the bed
if (try_to_probe(PSTR("SLOW"), z_probe_low_point, MMM_TO_MMS(Z_PROBE_SPEED_SLOW),
sanity_check, Z_CLEARANCE_MULTI_PROBE) ) return NAN;