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Merge pull request #2135 from Wurstnase/new_endstop_bits

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new endstop bits
master
Scott Lahteine 10 years ago
parent 50bd7493cc ff98b8632b
commit 834747deb7
2 changed files with 73 additions and 100 deletions
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3
Marlin/Marlin.h
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@ -33,6 +33,7 @@
#define BIT(b) (1<<(b)) #define BIT(b) (1<<(b))
#define TEST(n,b) (((n)&BIT(b))!=0) #define TEST(n,b) (((n)&BIT(b))!=0)
#define SET_BIT(n,b,value) (n) ^= ((-value)^(n)) & (BIT(b))
#define RADIANS(d) ((d)*M_PI/180.0) #define RADIANS(d) ((d)*M_PI/180.0)
#define DEGREES(r) ((d)*180.0/M_PI) #define DEGREES(r) ((d)*180.0/M_PI)
#define NOLESS(v,n) do{ if (v < n) v = n; }while(0) #define NOLESS(v,n) do{ if (v < n) v = n; }while(0)
@ -198,7 +199,7 @@ void manage_inactivity(bool ignore_stepper_queue=false);
*/ */
enum AxisEnum {X_AXIS=0, Y_AXIS=1, A_AXIS=0, B_AXIS=1, Z_AXIS=2, E_AXIS=3, X_HEAD=4, Y_HEAD=5}; enum AxisEnum {X_AXIS=0, Y_AXIS=1, A_AXIS=0, B_AXIS=1, Z_AXIS=2, E_AXIS=3, X_HEAD=4, Y_HEAD=5};
enum EndstopEnum {X_MIN=0, Y_MIN=1, Z_MIN=2, Z_PROBE=3, X_MAX=4, Y_MAX=5, Z_MAX=6}; enum EndstopEnum {X_MIN=0, Y_MIN=1, Z_MIN=2, Z_PROBE=3, X_MAX=4, Y_MAX=5, Z_MAX=6, Z2_MIN=7, Z2_MAX=8};
void enable_all_steppers(); void enable_all_steppers();
void disable_all_steppers(); void disable_all_steppers();

156
Marlin/stepper.cpp
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@ -76,6 +76,13 @@ volatile long endstops_trigsteps[3] = { 0 };
volatile long endstops_stepsTotal, endstops_stepsDone; volatile long endstops_stepsTotal, endstops_stepsDone;
static volatile char endstop_hit_bits = 0; // use X_MIN, Y_MIN, Z_MIN and Z_PROBE as BIT value static volatile char endstop_hit_bits = 0; // use X_MIN, Y_MIN, Z_MIN and Z_PROBE as BIT value
#ifndef Z_DUAL_ENDSTOPS
static byte
#else
static uint16_t
#endif
old_endstop_bits = 0; // use X_MIN, X_MAX... Z_MAX, Z_PROBE, Z2_MIN, Z2_MAX
#ifdef ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED #ifdef ABORT_ON_ENDSTOP_HIT_FEATURE_ENABLED
bool abort_on_endstop_hit = false; bool abort_on_endstop_hit = false;
#endif #endif
@ -84,31 +91,6 @@ static volatile char endstop_hit_bits = 0; // use X_MIN, Y_MIN, Z_MIN and Z_PROB
int motor_current_setting[3] = DEFAULT_PWM_MOTOR_CURRENT; int motor_current_setting[3] = DEFAULT_PWM_MOTOR_CURRENT;
#endif #endif
#if HAS_X_MIN
static bool old_x_min_endstop = false;
#endif
#if HAS_X_MAX
static bool old_x_max_endstop = false;
#endif
#if HAS_Y_MIN
static bool old_y_min_endstop = false;
#endif
#if HAS_Y_MAX
static bool old_y_max_endstop = false;
#endif
static bool old_z_min_endstop = false;
static bool old_z_max_endstop = false;
#ifdef Z_DUAL_ENDSTOPS
static bool old_z2_min_endstop = false;
static bool old_z2_max_endstop = false;
#endif
#ifdef Z_PROBE_ENDSTOP // No need to check for valid pin, SanityCheck.h already does this.
static bool old_z_probe_endstop = false;
#endif
static bool check_endstops = true; static bool check_endstops = true;
volatile long count_position[NUM_AXIS] = { 0 }; volatile long count_position[NUM_AXIS] = { 0 };
@ -155,11 +137,11 @@ volatile signed char count_direction[NUM_AXIS] = { 1, 1, 1, 1 };
#define Z_APPLY_STEP(v,Q) \ #define Z_APPLY_STEP(v,Q) \
if (performing_homing) { \ if (performing_homing) { \
if (Z_HOME_DIR > 0) {\ if (Z_HOME_DIR > 0) {\
if (!(old_z_max_endstop && (count_direction[Z_AXIS] > 0)) && !locked_z_motor) Z_STEP_WRITE(v); \ if (!(TEST(old_endstop_bits, Z_MAX) && (count_direction[Z_AXIS] > 0)) && !locked_z_motor) Z_STEP_WRITE(v); \
if (!(old_z2_max_endstop && (count_direction[Z_AXIS] > 0)) && !locked_z2_motor) Z2_STEP_WRITE(v); \ if (!(TEST(old_endstop_bits, Z2_MAX) && (count_direction[Z_AXIS] > 0)) && !locked_z2_motor) Z2_STEP_WRITE(v); \
} else {\ } else {\
if (!(old_z_min_endstop && (count_direction[Z_AXIS] < 0)) && !locked_z_motor) Z_STEP_WRITE(v); \ if (!(TEST(old_endstop_bits, Z_MIN) && (count_direction[Z_AXIS] < 0)) && !locked_z_motor) Z_STEP_WRITE(v); \
if (!(old_z2_min_endstop && (count_direction[Z_AXIS] < 0)) && !locked_z2_motor) Z2_STEP_WRITE(v); \ if (!(TEST(old_endstop_bits, Z2_MIN) && (count_direction[Z_AXIS] < 0)) && !locked_z2_motor) Z2_STEP_WRITE(v); \
} \ } \
} else { \ } else { \
Z_STEP_WRITE(v); \ Z_STEP_WRITE(v); \
@ -266,7 +248,7 @@ void endstops_hit_on_purpose() {
} }
void checkHitEndstops() { void checkHitEndstops() {
if (endstop_hit_bits) { // #ifdef || endstop_z_probe_hit to save space if needed. if (endstop_hit_bits) {
SERIAL_ECHO_START; SERIAL_ECHO_START;
SERIAL_ECHOPGM(MSG_ENDSTOPS_HIT); SERIAL_ECHOPGM(MSG_ENDSTOPS_HIT);
if (endstop_hit_bits & BIT(X_MIN)) { if (endstop_hit_bits & BIT(X_MIN)) {
@ -447,7 +429,7 @@ FORCE_INLINE void trapezoid_generator_reset() {
// It pops blocks from the block_buffer and executes them by pulsing the stepper pins appropriately. // It pops blocks from the block_buffer and executes them by pulsing the stepper pins appropriately.
ISR(TIMER1_COMPA_vect) { ISR(TIMER1_COMPA_vect) {
if(cleaning_buffer_counter) if (cleaning_buffer_counter)
{ {
current_block = NULL; current_block = NULL;
plan_discard_current_block(); plan_discard_current_block();
@ -492,22 +474,33 @@ ISR(TIMER1_COMPA_vect) {
// Check endstops // Check endstops
if (check_endstops) { if (check_endstops) {
#define _ENDSTOP(axis, minmax) axis ##_## minmax ##_endstop #ifdef Z_DUAL_ENDSTOPS
uint16_t
#else
byte
#endif
current_endstop_bits;
#define _ENDSTOP_PIN(AXIS, MINMAX) AXIS ##_## MINMAX ##_PIN #define _ENDSTOP_PIN(AXIS, MINMAX) AXIS ##_## MINMAX ##_PIN
#define _ENDSTOP_INVERTING(AXIS, MINMAX) AXIS ##_## MINMAX ##_ENDSTOP_INVERTING #define _ENDSTOP_INVERTING(AXIS, MINMAX) AXIS ##_## MINMAX ##_ENDSTOP_INVERTING
#define _OLD_ENDSTOP(axis, minmax) old_## axis ##_## minmax ##_endstop
#define _AXIS(AXIS) AXIS ##_AXIS #define _AXIS(AXIS) AXIS ##_AXIS
#define _HIT_BIT(AXIS) AXIS ##_MIN #define _ENDSTOP_HIT(AXIS) endstop_hit_bits |= BIT(_ENDSTOP(AXIS, MIN))
#define _ENDSTOP_HIT(AXIS) endstop_hit_bits |= BIT(_HIT_BIT(AXIS)) #define _ENDSTOP(AXIS, MINMAX) AXIS ##_## MINMAX
#define UPDATE_ENDSTOP(axis,AXIS,minmax,MINMAX) \ // SET_ENDSTOP_BIT: set the current endstop bits for an endstop to its status
bool _ENDSTOP(axis, minmax) = (READ(_ENDSTOP_PIN(AXIS, MINMAX)) != _ENDSTOP_INVERTING(AXIS, MINMAX)); \ #define SET_ENDSTOP_BIT(AXIS, MINMAX) SET_BIT(current_endstop_bits, _ENDSTOP(AXIS, MINMAX), (READ(_ENDSTOP_PIN(AXIS, MINMAX)) != _ENDSTOP_INVERTING(AXIS, MINMAX)))
if (_ENDSTOP(axis, minmax) && _OLD_ENDSTOP(axis, minmax) && (current_block->steps[_AXIS(AXIS)] > 0)) { \ // COPY_BIT: copy the value of COPY_BIT to BIT in bits
#define COPY_BIT(bits, COPY_BIT, BIT) SET_BIT(bits, BIT, TEST(bits, COPY_BIT))
// TEST_ENDSTOP: test the old and the current status of an endstop
#define TEST_ENDSTOP(ENDSTOP) (TEST(current_endstop_bits, ENDSTOP) && TEST(old_endstop_bits, ENDSTOP))
#define UPDATE_ENDSTOP(AXIS,MINMAX) \
SET_ENDSTOP_BIT(AXIS, MINMAX); \
if (TEST_ENDSTOP(_ENDSTOP(AXIS, MINMAX)) && (current_block->steps[_AXIS(AXIS)] > 0)) { \
endstops_trigsteps[_AXIS(AXIS)] = count_position[_AXIS(AXIS)]; \ endstops_trigsteps[_AXIS(AXIS)] = count_position[_AXIS(AXIS)]; \
_ENDSTOP_HIT(AXIS); \ _ENDSTOP_HIT(AXIS); \
step_events_completed = current_block->step_event_count; \ step_events_completed = current_block->step_event_count; \
} \ }
_OLD_ENDSTOP(axis, minmax) = _ENDSTOP(axis, minmax);
#ifdef COREXY #ifdef COREXY
// Head direction in -X axis for CoreXY bots. // Head direction in -X axis for CoreXY bots.
@ -524,7 +517,7 @@ ISR(TIMER1_COMPA_vect) {
#endif #endif
{ {
#if HAS_X_MIN #if HAS_X_MIN
UPDATE_ENDSTOP(x, X, min, MIN); UPDATE_ENDSTOP(X, MIN);
#endif #endif
} }
} }
@ -535,7 +528,7 @@ ISR(TIMER1_COMPA_vect) {
#endif #endif
{ {
#if HAS_X_MAX #if HAS_X_MAX
UPDATE_ENDSTOP(x, X, max, MAX); UPDATE_ENDSTOP(X, MAX);
#endif #endif
} }
} }
@ -550,12 +543,12 @@ ISR(TIMER1_COMPA_vect) {
#endif #endif
{ // -direction { // -direction
#if HAS_Y_MIN #if HAS_Y_MIN
UPDATE_ENDSTOP(y, Y, min, MIN); UPDATE_ENDSTOP(Y, MIN);
#endif #endif
} }
else { // +direction else { // +direction
#if HAS_Y_MAX #if HAS_Y_MAX
UPDATE_ENDSTOP(y, Y, max, MAX); UPDATE_ENDSTOP(Y, MAX);
#endif #endif
} }
#ifdef COREXY #ifdef COREXY
@ -565,45 +558,36 @@ ISR(TIMER1_COMPA_vect) {
#if HAS_Z_MIN #if HAS_Z_MIN
#ifdef Z_DUAL_ENDSTOPS #ifdef Z_DUAL_ENDSTOPS
SET_ENDSTOP_BIT(Z, MIN);
bool z_min_endstop = READ(Z_MIN_PIN) != Z_MIN_ENDSTOP_INVERTING,
z2_min_endstop =
#if HAS_Z2_MIN #if HAS_Z2_MIN
READ(Z2_MIN_PIN) != Z2_MIN_ENDSTOP_INVERTING SET_ENDSTOP_BIT(Z2, MIN);
#else #else
z_min_endstop COPY_BIT(current_endstop_bits, Z_MIN, Z2_MIN)
#endif #endif
;
bool z_min_both = z_min_endstop && old_z_min_endstop, byte z_test = TEST_ENDSTOP(Z_MIN) << 0 + TEST_ENDSTOP(Z2_MIN) << 1; // bit 0 for Z, bit 1 for Z2
z2_min_both = z2_min_endstop && old_z2_min_endstop;
if ((z_min_both || z2_min_both) && current_block->steps[Z_AXIS] > 0) { if (z_test && current_block->steps[Z_AXIS] > 0) { // z_test = Z_MIN || Z2_MIN
endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS]; endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS];
endstop_hit_bits |= BIT(Z_MIN); endstop_hit_bits |= BIT(Z_MIN);
if (!performing_homing || (performing_homing && z_min_both && z2_min_both)) //if not performing home or if both endstops were trigged during homing... if (!performing_homing || (performing_homing && !((~z_test) & 0x3))) //if not performing home or if both endstops were trigged during homing...
step_events_completed = current_block->step_event_count; step_events_completed = current_block->step_event_count; //!((~z_test) & 0x3) = Z_MIN && Z2_MIN
} }
old_z_min_endstop = z_min_endstop;
old_z2_min_endstop = z2_min_endstop;
#else // !Z_DUAL_ENDSTOPS #else // !Z_DUAL_ENDSTOPS
UPDATE_ENDSTOP(z, Z, min, MIN); UPDATE_ENDSTOP(Z, MIN);
#endif // !Z_DUAL_ENDSTOPS #endif // !Z_DUAL_ENDSTOPS
#endif // Z_MIN_PIN #endif // Z_MIN_PIN
#ifdef Z_PROBE_ENDSTOP #ifdef Z_PROBE_ENDSTOP
UPDATE_ENDSTOP(z, Z, probe, PROBE); UPDATE_ENDSTOP(Z, PROBE);
z_probe_endstop=(READ(Z_PROBE_PIN) != Z_PROBE_ENDSTOP_INVERTING); SET_ENDSTOP_BIT(Z, PROBE);
if(z_probe_endstop && old_z_probe_endstop)
if (TEST_ENDSTOP(Z_PROBE))
{ {
endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS]; endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS];
endstop_hit_bits |= BIT(Z_PROBE); endstop_hit_bits |= BIT(Z_PROBE);
// if (z_probe_endstop && old_z_probe_endstop) SERIAL_ECHOLN("z_probe_endstop = true");
} }
old_z_probe_endstop = z_probe_endstop;
#endif #endif
} }
else { // z +direction else { // z +direction
@ -611,55 +595,43 @@ ISR(TIMER1_COMPA_vect) {
#ifdef Z_DUAL_ENDSTOPS #ifdef Z_DUAL_ENDSTOPS
bool z_max_endstop = READ(Z_MAX_PIN) != Z_MAX_ENDSTOP_INVERTING, SET_ENDSTOP_BIT(Z, MAX);
z2_max_endstop =
#if HAS_Z2_MAX #if HAS_Z2_MAX
READ(Z2_MAX_PIN) != Z2_MAX_ENDSTOP_INVERTING SET_ENDSTOP_BIT(Z2, MAX);
#else #else
z_max_endstop COPY_BIT(current_endstop_bits, Z_MAX, Z2_MAX)
#endif #endif
;
bool z_max_both = z_max_endstop && old_z_max_endstop, byte z_test = TEST_ENDSTOP(Z_MAX) << 0 + TEST_ENDSTOP(Z2_MAX) << 1; // bit 0 for Z, bit 1 for Z2
z2_max_both = z2_max_endstop && old_z2_max_endstop;
if ((z_max_both || z2_max_both) && current_block->steps[Z_AXIS] > 0) { if (z_test && current_block->steps[Z_AXIS] > 0) { // t_test = Z_MAX || Z2_MAX
endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS]; endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS];
endstop_hit_bits |= BIT(Z_MIN); endstop_hit_bits |= BIT(Z_MIN);
if (!performing_homing || (performing_homing && !((~z_test) & 0x3))) //if not performing home or if both endstops were trigged during homing...
// if (z_max_both) SERIAL_ECHOLN("z_max_endstop = true"); step_events_completed = current_block->step_event_count; //!((~z_test) & 0x3) = Z_MAX && Z2_MAX
// if (z2_max_both) SERIAL_ECHOLN("z2_max_endstop = true");
if (!performing_homing || (performing_homing && z_max_both && z2_max_both)) //if not performing home or if both endstops were trigged during homing...
step_events_completed = current_block->step_event_count;
} }
old_z_max_endstop = z_max_endstop;
old_z2_max_endstop = z2_max_endstop;
#else // !Z_DUAL_ENDSTOPS #else // !Z_DUAL_ENDSTOPS
UPDATE_ENDSTOP(z, Z, max, MAX); UPDATE_ENDSTOP(Z, MAX);
#endif // !Z_DUAL_ENDSTOPS #endif // !Z_DUAL_ENDSTOPS
#endif // Z_MAX_PIN #endif // Z_MAX_PIN
#ifdef Z_PROBE_ENDSTOP #ifdef Z_PROBE_ENDSTOP
UPDATE_ENDSTOP(z, Z, probe, PROBE); UPDATE_ENDSTOP(Z, PROBE);
z_probe_endstop=(READ(Z_PROBE_PIN) != Z_PROBE_ENDSTOP_INVERTING); SET_ENDSTOP_BIT(Z, PROBE);
if(z_probe_endstop && old_z_probe_endstop) if (TEST_ENDSTOP(Z_PROBE))
{ {
endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS]; endstops_trigsteps[Z_AXIS] = count_position[Z_AXIS];
endstop_hit_bits |= BIT(Z_PROBE); endstop_hit_bits |= BIT(Z_PROBE);
// if (z_probe_endstop && old_z_probe_endstop) SERIAL_ECHOLN("z_probe_endstop = true");
} }
old_z_probe_endstop = z_probe_endstop;
#endif #endif
} }
old_endstop_bits = current_endstop_bits;
} }
// Take multiple steps per interrupt (For high speed moves) // Take multiple steps per interrupt (For high speed moves)
for (int8_t i = 0; i < step_loops; i++) { for (int8_t i = 0; i < step_loops; i++) {
#ifndef AT90USB #ifndef AT90USB

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