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Allow Zero Endstops (e.g., for CNC) (#21120)

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Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
This commit is contained in:
deirdreobyrne
2021-02-25 10:49:34 +00:00
committed by GitHub
parent d167af4c38
commit 468e437390
11 changed files with 778 additions and 739 deletions
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69
Marlin/src/module/motion.h
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@ -284,27 +284,51 @@ void do_z_clearance(const float &zclear, const bool z_trusted=true, const bool r
* Homing and Trusted Axes
*/
constexpr uint8_t xyz_bits = _BV(X_AXIS) | _BV(Y_AXIS) | _BV(Z_AXIS);
extern uint8_t axis_homed, axis_trusted;
void homeaxis(const AxisEnum axis);
void set_axis_is_at_home(const AxisEnum axis);
void set_axis_never_homed(const AxisEnum axis);
uint8_t axes_should_home(uint8_t axis_bits=0x07);
bool homing_needed_error(uint8_t axis_bits=0x07);
FORCE_INLINE bool axis_was_homed(const AxisEnum axis) { return TEST(axis_homed, axis); }
FORCE_INLINE bool axis_is_trusted(const AxisEnum axis) { return TEST(axis_trusted, axis); }
FORCE_INLINE bool axis_should_home(const AxisEnum axis) { return (axes_should_home() & _BV(axis)) != 0; }
FORCE_INLINE bool no_axes_homed() { return !axis_homed; }
FORCE_INLINE bool all_axes_homed() { return xyz_bits == (axis_homed & xyz_bits); }
FORCE_INLINE bool homing_needed() { return !all_axes_homed(); }
FORCE_INLINE bool all_axes_trusted() { return xyz_bits == (axis_trusted & xyz_bits); }
FORCE_INLINE void set_axis_homed(const AxisEnum axis) { SBI(axis_homed, axis); }
FORCE_INLINE void set_axis_unhomed(const AxisEnum axis) { CBI(axis_homed, axis); }
FORCE_INLINE void set_axis_trusted(const AxisEnum axis) { SBI(axis_trusted, axis); }
FORCE_INLINE void set_axis_untrusted(const AxisEnum axis) { CBI(axis_trusted, axis); }
FORCE_INLINE void set_all_homed() { axis_homed = axis_trusted = xyz_bits; }
FORCE_INLINE void set_all_unhomed() { axis_homed = axis_trusted = 0; }
#if HAS_ENDSTOPS
/**
* axis_homed
* Flags that each linear axis was homed.
* XYZ on cartesian, ABC on delta, ABZ on SCARA.
*
* axis_trusted
* Flags that the position is trusted in each linear axis. Set when homed.
* Cleared whenever a stepper powers off, potentially losing its position.
*/
extern uint8_t axis_homed, axis_trusted;
void homeaxis(const AxisEnum axis);
void set_axis_never_homed(const AxisEnum axis);
uint8_t axes_should_home(uint8_t axis_bits=0x07);
bool homing_needed_error(uint8_t axis_bits=0x07);
FORCE_INLINE void set_axis_unhomed(const AxisEnum axis) { CBI(axis_homed, axis); }
FORCE_INLINE void set_axis_untrusted(const AxisEnum axis) { CBI(axis_trusted, axis); }
FORCE_INLINE void set_all_unhomed() { axis_homed = axis_trusted = 0; }
FORCE_INLINE void set_axis_homed(const AxisEnum axis) { SBI(axis_homed, axis); }
FORCE_INLINE void set_axis_trusted(const AxisEnum axis) { SBI(axis_trusted, axis); }
FORCE_INLINE void set_all_homed() { axis_homed = axis_trusted = xyz_bits; }
#else
constexpr uint8_t axis_homed = xyz_bits, axis_trusted = xyz_bits; // Zero-endstop machines are always homed and trusted
FORCE_INLINE void homeaxis(const AxisEnum axis) {}
FORCE_INLINE void set_axis_never_homed(const AxisEnum) {}
FORCE_INLINE uint8_t axes_should_home(uint8_t=0x07) { return false; }
FORCE_INLINE bool homing_needed_error(uint8_t=0x07) { return false; }
FORCE_INLINE void set_axis_unhomed(const AxisEnum axis) {}
FORCE_INLINE void set_axis_untrusted(const AxisEnum axis) {}
FORCE_INLINE void set_all_unhomed() {}
FORCE_INLINE void set_axis_homed(const AxisEnum axis) {}
FORCE_INLINE void set_axis_trusted(const AxisEnum axis) {}
FORCE_INLINE void set_all_homed() {}
#endif
FORCE_INLINE bool axis_was_homed(const AxisEnum axis) { return TEST(axis_homed, axis); }
FORCE_INLINE bool axis_is_trusted(const AxisEnum axis) { return TEST(axis_trusted, axis); }
FORCE_INLINE bool axis_should_home(const AxisEnum axis) { return (axes_should_home() & _BV(axis)) != 0; }
FORCE_INLINE bool no_axes_homed() { return !axis_homed; }
FORCE_INLINE bool all_axes_homed() { return xyz_bits == (axis_homed & xyz_bits); }
FORCE_INLINE bool homing_needed() { return !all_axes_homed(); }
FORCE_INLINE bool all_axes_trusted() { return xyz_bits == (axis_trusted & xyz_bits); }
#if ENABLED(NO_MOTION_BEFORE_HOMING)
#define MOTION_CONDITIONS (IsRunning() && !homing_needed_error())
@ -360,7 +384,6 @@ FORCE_INLINE void set_all_unhomed() { axis_homed = axis_tr
/**
* position_is_reachable family of functions
*/
#if IS_KINEMATIC // (DELTA or SCARA)
#if HAS_SCARA_OFFSET
@ -390,14 +413,14 @@ FORCE_INLINE void set_all_unhomed() { axis_homed = axis_tr
// Return true if the given position is within the machine bounds.
inline bool position_is_reachable(const float &rx, const float &ry) {
if (!WITHIN(ry, Y_MIN_POS - fslop, Y_MAX_POS + fslop)) return false;
if (!COORDINATE_OKAY(ry, Y_MIN_POS - fslop, Y_MAX_POS + fslop)) return false;
#if ENABLED(DUAL_X_CARRIAGE)
if (active_extruder)
return WITHIN(rx, X2_MIN_POS - fslop, X2_MAX_POS + fslop);
return COORDINATE_OKAY(rx, X2_MIN_POS - fslop, X2_MAX_POS + fslop);
else
return WITHIN(rx, X1_MIN_POS - fslop, X1_MAX_POS + fslop);
return COORDINATE_OKAY(rx, X1_MIN_POS - fslop, X1_MAX_POS + fslop);
#else
return WITHIN(rx, X_MIN_POS - fslop, X_MAX_POS + fslop);
return COORDINATE_OKAY(rx, X_MIN_POS - fslop, X_MAX_POS + fslop);
#endif
}
inline bool position_is_reachable(const xy_pos_t &pos) { return position_is_reachable(pos.x, pos.y); }