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🐛 Fix Bed Distance Sensor reading (#24649)

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Mark 2022-08-26 06:50:03 +08:00 committed by GitHub
parent 82d1851743
commit 42f8cc4606
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2 changed files with 20 additions and 17 deletions
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33
Marlin/src/feature/bedlevel/bdl/bdl.cpp
View File

@ -96,22 +96,23 @@ void BDS_Leveling::process() {
const float z_sensor = (tmp & 0x3FF) / 100.0f;
if (cur_z < 0) config_state = 0;
//float abs_z = current_position.z > cur_z ? (current_position.z - cur_z) : (cur_z - current_position.z);
if ( cur_z < config_state * 0.1f
&& config_state > 0
&& old_cur_z == cur_z
&& old_buf_z == current_position.z
&& z_sensor < (MAX_BD_HEIGHT)
) {
babystep.set_mm(Z_AXIS, cur_z - z_sensor);
#if ENABLED(DEBUG_OUT_BD)
SERIAL_ECHOLNPGM("BD:", z_sensor, ", Z:", cur_z, "|", current_position.z);
#endif
}
else {
babystep.set_mm(Z_AXIS, 0);
//if (old_cur_z <= cur_z) Z_DIR_WRITE(!INVERT_Z_DIR);
stepper.set_directions();
}
#if ENABLED(BABYSTEPPING)
if (cur_z < config_state * 0.1f
&& config_state > 0
&& old_cur_z == cur_z
&& old_buf_z == current_position.z
&& z_sensor < (MAX_BD_HEIGHT)
) {
babystep.set_mm(Z_AXIS, cur_z - z_sensor);
#if ENABLED(DEBUG_OUT_BD)
SERIAL_ECHOLNPGM("BD:", z_sensor, ", Z:", cur_z, "|", current_position.z);
#endif
}
else {
babystep.set_mm(Z_AXIS, 0); //if (old_cur_z <= cur_z) Z_DIR_WRITE(!INVERT_Z_DIR);
stepper.set_directions();
}
#endif
old_cur_z = cur_z;
old_buf_z = current_position.z;
endstops.bdp_state_update(z_sensor <= 0.01f);

4
Marlin/src/module/probe.cpp
View File

@ -882,7 +882,9 @@ float Probe::probe_at_point(const_float_t rx, const_float_t ry, const ProbePtRai
// Move the probe to the starting XYZ
do_blocking_move_to(npos, feedRate_t(XY_PROBE_FEEDRATE_MM_S));
TERN_(BD_SENSOR, return bdl.read());
#if ENABLED(BD_SENSOR)
return current_position.z - bdl.read(); // Difference between Z-home-relative Z and sensor reading
#endif
float measured_z = NAN;
if (!deploy()) {