0x90/Marlin
12
0
Fork 0
Code Issues Pull requests Packages Projects Releases Wiki Activity

Fix interrupt-based endstop detection

Browse source 
- Also implemented real endstop reading on interrupt.
This commit is contained in:
etagle 2018-05-16 04:08:43 -03:00 committed by Scott Lahteine
parent a4af975873
commit 569df3fc0c
14 changed files with 319 additions and 324 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

21
Marlin/src/HAL/HAL_AVR/endstop_interrupts.h
View file

@ -24,7 +24,7 @@
* Endstop Interrupts
*
* Without endstop interrupts the endstop pins must be polled continually in
* the stepper-ISR via endstops.update(), most of the time finding no change.
* the temperature-ISR via endstops.update(), most of the time finding no change.
* With this feature endstops.update() is called only when we know that at
* least one endstop has changed state, saving valuable CPU cycles.
*
@ -40,17 +40,10 @@
#include "../../core/macros.h"
#include <stdint.h>
volatile uint8_t e_hit = 0; // Different from 0 when the endstops should be tested in detail.
// Must be reset to 0 by the test function when finished.
// This is what is really done inside the interrupts.
FORCE_INLINE void endstop_ISR_worker( void ) {
e_hit = 2; // Because the detection of a e-stop hit has a 1 step debouncer it has to be called at least twice.
}
#include "../../module/endstops.h"
// One ISR for all EXT-Interrupts
void endstop_ISR(void) { endstop_ISR_worker(); }
void endstop_ISR(void) { endstops.check_possible_change(); }
/**
* Patch for pins_arduino.h (...\Arduino\hardware\arduino\avr\variants\mega\pins_arduino.h)
@ -95,19 +88,19 @@ void pciSetup(const int8_t pin) {
// Handlers for pin change interrupts
#ifdef PCINT0_vect
ISR(PCINT0_vect) { endstop_ISR_worker(); }
ISR(PCINT0_vect) { endstop_ISR(); }
#endif
#ifdef PCINT1_vect
ISR(PCINT1_vect) { endstop_ISR_worker(); }
ISR(PCINT1_vect) { endstop_ISR(); }
#endif
#ifdef PCINT2_vect
ISR(PCINT2_vect) { endstop_ISR_worker(); }
ISR(PCINT2_vect) { endstop_ISR(); }
#endif
#ifdef PCINT3_vect
ISR(PCINT3_vect) { endstop_ISR_worker(); }
ISR(PCINT3_vect) { endstop_ISR(); }
#endif
void setup_endstop_interrupts( void ) {

12
Marlin/src/HAL/HAL_DUE/endstop_interrupts.h
View file

@ -24,7 +24,7 @@
* Endstop Interrupts
*
* Without endstop interrupts the endstop pins must be polled continually in
* the stepper-ISR via endstops.update(), most of the time finding no change.
* the temperature-ISR via endstops.update(), most of the time finding no change.
* With this feature endstops.update() is called only when we know that at
* least one endstop has changed state, saving valuable CPU cycles.
*
@ -37,16 +37,10 @@
#ifndef _ENDSTOP_INTERRUPTS_H_
#define _ENDSTOP_INTERRUPTS_H_
volatile uint8_t e_hit = 0; // Different from 0 when the endstops should be tested in detail.
// Must be reset to 0 by the test function when finished.
// This is what is really done inside the interrupts.
FORCE_INLINE void endstop_ISR_worker( void ) {
e_hit = 2; // Because the detection of a e-stop hit has a 1 step debouncer it has to be called at least twice.
}
#include "../../module/endstops.h"
// One ISR for all EXT-Interrupts
void endstop_ISR(void) { endstop_ISR_worker(); }
void endstop_ISR(void) { endstops.check_possible_change(); }
/**
* Endstop interrupts for Due based targets.

12
Marlin/src/HAL/HAL_LPC1768/endstop_interrupts.h
View file

@ -24,7 +24,7 @@
* Endstop Interrupts
*
* Without endstop interrupts the endstop pins must be polled continually in
* the stepper-ISR via endstops.update(), most of the time finding no change.
* the temperature-ISR via endstops.update(), most of the time finding no change.
* With this feature endstops.update() is called only when we know that at
* least one endstop has changed state, saving valuable CPU cycles.
*
@ -40,16 +40,10 @@
//Currently this is untested and broken
#error "Please disable Endstop Interrupts LPC176x is currently an unsupported platform"
volatile uint8_t e_hit = 0; // Different from 0 when the endstops should be tested in detail.
// Must be reset to 0 by the test function when finished.
// This is what is really done inside the interrupts.
FORCE_INLINE void endstop_ISR_worker( void ) {
e_hit = 2; // Because the detection of a e-stop hit has a 1 step debouncer it has to be called at least twice.
}
#include "../../module/endstops.h"
// One ISR for all EXT-Interrupts
void endstop_ISR(void) { endstop_ISR_worker(); }
void endstop_ISR(void) { endstops.check_possible_change(); }
void setup_endstop_interrupts(void) {
#if HAS_X_MAX

12
Marlin/src/HAL/HAL_STM32F1/endstop_interrupts.h
View file

@ -36,7 +36,7 @@
* Endstop Interrupts
*
* Without endstop interrupts the endstop pins must be polled continually in
* the stepper-ISR via endstops.update(), most of the time finding no change.
* the temperature-ISR via endstops.update(), most of the time finding no change.
* With this feature endstops.update() is called only when we know that at
* least one endstop has changed state, saving valuable CPU cycles.
*
@ -49,16 +49,10 @@
#ifndef _ENDSTOP_INTERRUPTS_H_
#define _ENDSTOP_INTERRUPTS_H_
volatile uint8_t e_hit = 0; // Different from 0 when the endstops should be tested in detail.
// Must be reset to 0 by the test function when finished.
// This is what is really done inside the interrupts.
FORCE_INLINE void endstop_ISR_worker( void ) {
e_hit = 2; // Because the detection of a e-stop hit has a 1 step debouncer it has to be called at least twice.
}
#include "../../module/endstops.h"
// One ISR for all EXT-Interrupts
void endstop_ISR(void) { endstop_ISR_worker(); }
void endstop_ISR(void) { endstops.check_possible_change(); }
void setup_endstop_interrupts(void) {
#if HAS_X_MAX

10
Marlin/src/HAL/HAL_STM32F4/endstop_interrupts.h
View file

@ -24,16 +24,10 @@
#ifndef _ENDSTOP_INTERRUPTS_H_
#define _ENDSTOP_INTERRUPTS_H_
volatile uint8_t e_hit = 0; // Different from 0 when the endstops should be tested in detail.
// Must be reset to 0 by the test function when finished.
// This is what is really done inside the interrupts.
FORCE_INLINE void endstop_ISR_worker( void ) {
e_hit = 2; // Because the detection of a e-stop hit has a 1 step debouncer it has to be called at least twice.
}
#include "../../module/endstops.h"
// One ISR for all EXT-Interrupts
void endstop_ISR(void) { endstop_ISR_worker(); }
void endstop_ISR(void) { endstops.check_possible_change(); }
void setup_endstop_interrupts(void) {
#if HAS_X_MAX

10
Marlin/src/HAL/HAL_STM32F7/endstop_interrupts.h
View file

@ -26,16 +26,10 @@
#ifndef _ENDSTOP_INTERRUPTS_H_
#define _ENDSTOP_INTERRUPTS_H_
volatile uint8_t e_hit = 0; // Different from 0 when the endstops should be tested in detail.
// Must be reset to 0 by the test function when finished.
// This is what is really done inside the interrupts.
FORCE_INLINE void endstop_ISR_worker( void ) {
e_hit = 2; // Because the detection of a e-stop hit has a 1 step debouncer it has to be called at least twice.
}
#include "../../module/endstops.h"
// One ISR for all EXT-Interrupts
void endstop_ISR(void) { endstop_ISR_worker(); }
void endstop_ISR(void) { endstops.check_possible_change(); }
void setup_endstop_interrupts(void) {
#if HAS_X_MAX

12
Marlin/src/HAL/HAL_TEENSY35_36/endstop_interrupts.h
View file

@ -24,7 +24,7 @@
* Endstop Interrupts
*
* Without endstop interrupts the endstop pins must be polled continually in
* the stepper-ISR via endstops.update(), most of the time finding no change.
* the temperature-ISR via endstops.update(), most of the time finding no change.
* With this feature endstops.update() is called only when we know that at
* least one endstop has changed state, saving valuable CPU cycles.
*
@ -37,16 +37,10 @@
#ifndef _ENDSTOP_INTERRUPTS_H_
#define _ENDSTOP_INTERRUPTS_H_
volatile uint8_t e_hit = 0; // Different from 0 when the endstops should be tested in detail.
// Must be reset to 0 by the test function when finished.
// This is what is really done inside the interrupts.
FORCE_INLINE void endstop_ISR_worker( void ) {
e_hit = 2; // Because the detection of a e-stop hit has a 1 step debouncer it has to be called at least twice.
}
#include "../../module/endstops.h"
// One ISR for all EXT-Interrupts
void endstop_ISR(void) { endstop_ISR_worker(); }
void endstop_ISR(void) { endstops.check_possible_change(); }
/**
* Endstop interrupts for Due based targets.

12
Marlin/src/Marlin.cpp
View file

@ -95,10 +95,6 @@
#include "feature/I2CPositionEncoder.h"
#endif
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
#include HAL_PATH(HAL, endstop_interrupts.h)
#endif
#if HAS_TRINAMIC
#include "feature/tmc_util.h"
#endif
@ -748,7 +744,9 @@ void setup() {
print_job_timer.init(); // Initial setup of print job timer
stepper.init(); // Initialize stepper, this enables interrupts!
endstops.init(); // Init endstops and pullups
stepper.init(); // Init stepper. This enables interrupts!
#if HAS_SERVOS
servo_init();
@ -860,10 +858,6 @@ void setup() {
i2c.onRequest(i2c_on_request);
#endif
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
setup_endstop_interrupts();
#endif
#if DO_SWITCH_EXTRUDER
move_extruder_servo(0); // Initialize extruder servo
#endif

144
Marlin/src/module/endstops.cpp
View file

@ -32,18 +32,27 @@
#include "../module/temperature.h"
#include "../lcd/ultralcd.h"
// TEST_ENDSTOP: test the old and the current status of an endstop
#define TEST_ENDSTOP(ENDSTOP) (TEST(current_endstop_bits & old_endstop_bits, ENDSTOP))
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
#include HAL_PATH(../HAL, endstop_interrupts.h)
#endif
// TEST_ENDSTOP: test the current status of an endstop
#define TEST_ENDSTOP(ENDSTOP) (TEST(current_endstop_bits, ENDSTOP))
#if HAS_BED_PROBE
#define ENDSTOPS_ENABLED (endstops.enabled || endstops.z_probe_enabled)
#else
#define ENDSTOPS_ENABLED endstops.enabled
#endif
Endstops endstops;
// public:
bool Endstops::enabled, Endstops::enabled_globally; // Initialized by settings.load()
volatile char Endstops::endstop_hit_bits; // use X_MIN, Y_MIN, Z_MIN and Z_MIN_PROBE as BIT value
volatile uint8_t Endstops::endstop_hit_bits; // use X_MIN, Y_MIN, Z_MIN and Z_MIN_PROBE as BIT value
Endstops::esbits_t Endstops::current_endstop_bits = 0,
Endstops::old_endstop_bits = 0;
Endstops::esbits_t Endstops::current_endstop_bits = 0;
#if HAS_BED_PROBE
volatile bool Endstops::z_probe_enabled = false;
@ -196,8 +205,93 @@ void Endstops::init() {
#endif
#endif
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
setup_endstop_interrupts();
#endif
// Enable endstops
enable_globally(
#if ENABLED(ENDSTOPS_ALWAYS_ON_DEFAULT)
true
#else
false
#endif
);
} // Endstops::init
// Called from ISR. A change was detected. Find out what happened!
void Endstops::check_possible_change() { if (ENDSTOPS_ENABLED) endstops.update(); }
// Called from ISR: Poll endstop state if required
void Endstops::poll() {
#if ENABLED(PINS_DEBUGGING)
endstops.run_monitor(); // report changes in endstop status
#endif
#if DISABLED(ENDSTOP_INTERRUPTS_FEATURE)
if (ENDSTOPS_ENABLED) endstops.update();
#endif
}
void Endstops::enable_globally(const bool onoff) {
enabled_globally = enabled = onoff;
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
if (onoff) endstops.update(); // If enabling, update state now
#endif
}
// Enable / disable endstop checking
void Endstops::enable(const bool onoff) {
enabled = onoff;
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
if (onoff) endstops.update(); // If enabling, update state now
#endif
}
// Disable / Enable endstops based on ENSTOPS_ONLY_FOR_HOMING and global enable
void Endstops::not_homing() {
enabled = enabled_globally;
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
if (enabled) endstops.update(); // If enabling, update state now
#endif
}
// Clear endstops (i.e., they were hit intentionally) to suppress the report
void Endstops::hit_on_purpose() {
endstop_hit_bits = 0;
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
if (enabled) endstops.update(); // If enabling, update state now
#endif
}
// Enable / disable endstop z-probe checking
#if HAS_BED_PROBE
void Endstops::enable_z_probe(bool onoff) {
z_probe_enabled = onoff;
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
if (enabled) endstops.update(); // If enabling, update state now
#endif
}
#endif
#if ENABLED(PINS_DEBUGGING)
void Endstops::run_monitor() {
if (!monitor_flag) return;
static uint8_t monitor_count = 16; // offset this check from the others
monitor_count += _BV(1); // 15 Hz
monitor_count &= 0x7F;
if (!monitor_count) monitor(); // report changes in endstop status
}
#endif
void Endstops::report_state() {
if (endstop_hit_bits) {
#if ENABLED(ULTRA_LCD)
@ -300,38 +394,41 @@ void Endstops::M119() {
#endif
} // Endstops::M119
// The following routines are called from an ISR context. It could be the temperature ISR, the
// endstop ISR or the Stepper ISR.
#if ENABLED(X_DUAL_ENDSTOPS)
void Endstops::test_dual_x_endstops(const EndstopEnum es1, const EndstopEnum es2) {
const byte x_test = TEST_ENDSTOP(es1) | (TEST_ENDSTOP(es2) << 1); // bit 0 for X, bit 1 for X2
if (x_test && stepper.current_block->steps[X_AXIS] > 0) {
if (x_test && stepper.movement_non_null(X_AXIS)) {
SBI(endstop_hit_bits, X_MIN);
if (!stepper.performing_homing || (x_test == 0x3)) //if not performing home or if both endstops were trigged during homing...
stepper.kill_current_block();
stepper.quick_stop();
}
}
#endif
#if ENABLED(Y_DUAL_ENDSTOPS)
void Endstops::test_dual_y_endstops(const EndstopEnum es1, const EndstopEnum es2) {
const byte y_test = TEST_ENDSTOP(es1) | (TEST_ENDSTOP(es2) << 1); // bit 0 for Y, bit 1 for Y2
if (y_test && stepper.current_block->steps[Y_AXIS] > 0) {
if (y_test && stepper.movement_non_null(Y_AXIS)) {
SBI(endstop_hit_bits, Y_MIN);
if (!stepper.performing_homing || (y_test == 0x3)) //if not performing home or if both endstops were trigged during homing...
stepper.kill_current_block();
stepper.quick_stop();
}
}
#endif
#if ENABLED(Z_DUAL_ENDSTOPS)
void Endstops::test_dual_z_endstops(const EndstopEnum es1, const EndstopEnum es2) {
const byte z_test = TEST_ENDSTOP(es1) | (TEST_ENDSTOP(es2) << 1); // bit 0 for Z, bit 1 for Z2
if (z_test && stepper.current_block->steps[Z_AXIS] > 0) {
if (z_test && stepper.movement_non_null(Z_AXIS)) {
SBI(endstop_hit_bits, Z_MIN);
if (!stepper.performing_homing || (z_test == 0x3)) //if not performing home or if both endstops were trigged during homing...
stepper.kill_current_block();
stepper.quick_stop();
}
}
#endif
// Check endstops - Called from ISR!
// Check endstops - Could be called from ISR!
void Endstops::update() {
#define _ENDSTOP(AXIS, MINMAX) AXIS ##_## MINMAX
@ -358,9 +455,9 @@ void Endstops::update() {
if (G38_move) {
UPDATE_ENDSTOP_BIT(Z, MIN_PROBE);
if (TEST_ENDSTOP(_ENDSTOP(Z, MIN_PROBE))) {
if (stepper.current_block->steps[_AXIS(X)] > 0) { _ENDSTOP_HIT(X, MIN); planner.endstop_triggered(_AXIS(X)); }
else if (stepper.current_block->steps[_AXIS(Y)] > 0) { _ENDSTOP_HIT(Y, MIN); planner.endstop_triggered(_AXIS(Y)); }
else if (stepper.current_block->steps[_AXIS(Z)] > 0) { _ENDSTOP_HIT(Z, MIN); planner.endstop_triggered(_AXIS(Z)); }
if (stepper.movement_non_null(_AXIS(X))) { _ENDSTOP_HIT(X, MIN); planner.endstop_triggered(_AXIS(X)); }
else if (stepper.movement_non_null(_AXIS(Y))) { _ENDSTOP_HIT(Y, MIN); planner.endstop_triggered(_AXIS(Y)); }
else if (stepper.movement_non_null(_AXIS(Z))) { _ENDSTOP_HIT(Z, MIN); planner.endstop_triggered(_AXIS(Z)); }
G38_endstop_hit = true;
}
}
@ -371,7 +468,7 @@ void Endstops::update() {
*/
#if IS_CORE
#define S_(N) stepper.current_block->steps[CORE_AXIS_##N]
#define S_(N) stepper.movement_non_null(CORE_AXIS_##N)
#define D_(N) stepper.motor_direction(CORE_AXIS_##N)
#endif
@ -391,7 +488,7 @@ void Endstops::update() {
#define X_MOVE_TEST ( S_(1) != S_(2) || (S_(1) > 0 && D_(1) X_CMP D_(2)) )
#define X_AXIS_HEAD X_HEAD
#else
#define X_MOVE_TEST stepper.current_block->steps[X_AXIS] > 0
#define X_MOVE_TEST stepper.movement_non_null(X_AXIS)
#define X_AXIS_HEAD X_AXIS
#endif
@ -411,7 +508,7 @@ void Endstops::update() {
#define Y_MOVE_TEST ( S_(1) != S_(2) || (S_(1) > 0 && D_(1) Y_CMP D_(2)) )
#define Y_AXIS_HEAD Y_HEAD
#else
#define Y_MOVE_TEST stepper.current_block->steps[Y_AXIS] > 0
#define Y_MOVE_TEST stepper.movement_non_null(Y_AXIS)
#define Y_AXIS_HEAD Y_AXIS
#endif
@ -431,13 +528,13 @@ void Endstops::update() {
#define Z_MOVE_TEST ( S_(1) != S_(2) || (S_(1) > 0 && D_(1) Z_CMP D_(2)) )
#define Z_AXIS_HEAD Z_HEAD
#else
#define Z_MOVE_TEST stepper.current_block->steps[Z_AXIS] > 0
#define Z_MOVE_TEST stepper.movement_non_null(Z_AXIS)
#define Z_AXIS_HEAD Z_AXIS
#endif
// With Dual X, endstops are only checked in the homing direction for the active extruder
#if ENABLED(DUAL_X_CARRIAGE)
#define E0_ACTIVE stepper.current_block->active_extruder == 0
#define E0_ACTIVE stepper.movement_extruder() == 0
#define X_MIN_TEST ((X_HOME_DIR < 0 && E0_ACTIVE) || (X2_HOME_DIR < 0 && !E0_ACTIVE))
#define X_MAX_TEST ((X_HOME_DIR > 0 && E0_ACTIVE) || (X2_HOME_DIR > 0 && !E0_ACTIVE))
#else
@ -448,8 +545,6 @@ void Endstops::update() {
/**
* Check and update endstops according to conditions
*/
if (stepper.current_block) {
if (X_MOVE_TEST) {
if (stepper.motor_direction(X_AXIS_HEAD)) { // -direction
#if HAS_X_MIN
@ -563,11 +658,6 @@ void Endstops::update() {
#endif
}
}
} // stepper.current_block
old_endstop_bits = current_endstop_bits;
} // Endstops::update()
#if ENABLED(PINS_DEBUGGING)

49
Marlin/src/module/endstops.h
View file

@ -51,7 +51,7 @@ class Endstops {
public:
static bool enabled, enabled_globally;
static volatile char endstop_hit_bits; // use X_MIN, Y_MIN, Z_MIN and Z_MIN_PROBE as BIT value
static volatile uint8_t endstop_hit_bits; // use X_MIN, Y_MIN, Z_MIN and Z_MIN_PROBE as BIT value
#if ENABLED(X_DUAL_ENDSTOPS) || ENABLED(Y_DUAL_ENDSTOPS) || ENABLED(Z_DUAL_ENDSTOPS)
typedef uint16_t esbits_t;
@ -68,23 +68,26 @@ class Endstops {
typedef byte esbits_t;
#endif
static esbits_t current_endstop_bits, old_endstop_bits;
static esbits_t current_endstop_bits;
Endstops() {
enable_globally(
#if ENABLED(ENDSTOPS_ALWAYS_ON_DEFAULT)
true
#else
false
#endif
);
};
Endstops() {};
/**
* Initialize the endstop pins
*/
static void init();
/**
* A change was detected or presumed to be in endstops pins. Find out what
* changed, if anything. Called from ISR contexts
*/
static void check_possible_change();
/**
* Periodic call to poll endstops if required. Called from temperature ISR
*/
static void poll();
/**
* Update the endstops bits from the pins
*/
@ -101,34 +104,28 @@ class Endstops {
static void M119();
// Enable / disable endstop checking globally
static void enable_globally(bool onoff=true) { enabled_globally = enabled = onoff; }
static void enable_globally(const bool onoff=true);
// Enable / disable endstop checking
static void enable(bool onoff=true) { enabled = onoff; }
static void enable(const bool onoff=true);
// Disable / Enable endstops based on ENSTOPS_ONLY_FOR_HOMING and global enable
static void not_homing() { enabled = enabled_globally; }
static void not_homing();
// Clear endstops (i.e., they were hit intentionally) to suppress the report
static void hit_on_purpose() { endstop_hit_bits = 0; }
static void hit_on_purpose();
// Enable / disable endstop z-probe checking
#if HAS_BED_PROBE
static volatile bool z_probe_enabled;
static void enable_z_probe(bool onoff=true) { z_probe_enabled = onoff; }
static void enable_z_probe(bool onoff=true);
#endif
// Debugging of endstops
#if ENABLED(PINS_DEBUGGING)
static bool monitor_flag;
static void monitor();
FORCE_INLINE static void run_monitor() {
if (!monitor_flag) return;
static uint8_t monitor_count = 16; // offset this check from the others
monitor_count += _BV(1); // 15 Hz
monitor_count &= 0x7F;
if (!monitor_count) monitor(); // report changes in endstop status
}
static void run_monitor();
#endif
private:
@ -146,10 +143,4 @@ class Endstops {
extern Endstops endstops;
#if HAS_BED_PROBE
#define ENDSTOPS_ENABLED (endstops.enabled || endstops.z_probe_enabled)
#else
#define ENDSTOPS_ENABLED endstops.enabled
#endif
#endif // __ENDSTOPS_H__

23
Marlin/src/module/planner.cpp
View file

@ -758,8 +758,8 @@ void Planner::calculate_trapezoid_for_block(block_t* const block, const float &e
final_rate = CEIL(block->nominal_rate * exit_factor); // (steps per second)
// Limit minimal step rate (Otherwise the timer will overflow.)
NOLESS(initial_rate, MINIMAL_STEP_RATE);
NOLESS(final_rate, MINIMAL_STEP_RATE);
NOLESS(initial_rate, uint32_t(MINIMAL_STEP_RATE));
NOLESS(final_rate, uint32_t(MINIMAL_STEP_RATE));
#if ENABLED(BEZIER_JERK_CONTROL)
uint32_t cruise_rate = initial_rate;
@ -1467,23 +1467,8 @@ void Planner::quick_stop() {
}
void Planner::endstop_triggered(const AxisEnum axis) {
/*NB: This will be called via endstops.update()
and endstops.update() can be called from the temperature
ISR. So Stepper interrupts are enabled */
// Disable stepper ISR
bool stepper_isr_enabled = STEPPER_ISR_ENABLED();
DISABLE_STEPPER_DRIVER_INTERRUPT();
// Record stepper position
// Record stepper position and discard the current block
stepper.endstop_triggered(axis);
// Discard the active block that led to the trigger
discard_current_block();
// Reenable stepper ISR if it was enabled
if (stepper_isr_enabled) ENABLE_STEPPER_DRIVER_INTERRUPT();
}
float Planner::triggered_position_mm(const AxisEnum axis) {
@ -1682,7 +1667,7 @@ bool Planner::_populate_block(block_t * const block, bool split_move,
if (de < 0) SBI(dm, E_AXIS);
const float esteps_float = de * e_factor[extruder];
const int32_t esteps = ABS(esteps_float) + 0.5;
const uint32_t esteps = ABS(esteps_float) + 0.5;
// Clear all flags, including the "busy" bit
block->flag = 0x00;

92
Marlin/src/module/stepper.cpp
View file

@ -96,7 +96,10 @@ block_t* Stepper::current_block = NULL; // A pointer to the block currently bei
// private:
uint8_t Stepper::last_direction_bits = 0; // The next stepping-bits to be output
uint8_t Stepper::last_direction_bits = 0, // The next stepping-bits to be output
Stepper::last_movement_extruder = 0xFF; // Last movement extruder, as computed when the last movement was fetched from planner
bool Stepper::abort_current_block, // Signals to the stepper that current block should be aborted
Stepper::last_movement_non_null[NUM_AXIS]; // Last Movement in the given direction is not null, as computed when the last movement was fetched from planner
#if ENABLED(X_DUAL_ENDSTOPS)
bool Stepper::locked_x_motor = false, Stepper::locked_x2_motor = false;
@ -181,12 +184,12 @@ volatile int32_t Stepper::endstops_trigsteps[XYZ];
#define DUAL_ENDSTOP_APPLY_STEP(A,V) \
if (performing_homing) { \
if (A##_HOME_DIR < 0) { \
if (!(TEST(endstops.old_endstop_bits, A##_MIN) && count_direction[_AXIS(A)] < 0) && !LOCKED_##A##_MOTOR) A##_STEP_WRITE(V); \
if (!(TEST(endstops.old_endstop_bits, A##2_MIN) && count_direction[_AXIS(A)] < 0) && !LOCKED_##A##2_MOTOR) A##2_STEP_WRITE(V); \
if (!(TEST(endstops.current_endstop_bits, A##_MIN) && count_direction[_AXIS(A)] < 0) && !LOCKED_##A##_MOTOR) A##_STEP_WRITE(V); \
if (!(TEST(endstops.current_endstop_bits, A##2_MIN) && count_direction[_AXIS(A)] < 0) && !LOCKED_##A##2_MOTOR) A##2_STEP_WRITE(V); \
} \
else { \
if (!(TEST(endstops.old_endstop_bits, A##_MAX) && count_direction[_AXIS(A)] > 0) && !LOCKED_##A##_MOTOR) A##_STEP_WRITE(V); \
if (!(TEST(endstops.old_endstop_bits, A##2_MAX) && count_direction[_AXIS(A)] > 0) && !LOCKED_##A##2_MOTOR) A##2_STEP_WRITE(V); \
if (!(TEST(endstops.current_endstop_bits, A##_MAX) && count_direction[_AXIS(A)] > 0) && !LOCKED_##A##_MOTOR) A##_STEP_WRITE(V); \
if (!(TEST(endstops.current_endstop_bits, A##2_MAX) && count_direction[_AXIS(A)] > 0) && !LOCKED_##A##2_MOTOR) A##2_STEP_WRITE(V); \
} \
} \
else { \
@ -315,10 +318,6 @@ void Stepper::set_directions() {
#endif // !LIN_ADVANCE
}
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
extern volatile uint8_t e_hit;
#endif
#if ENABLED(BEZIER_JERK_CONTROL)
/**
* We are using a quintic (fifth-degree) Bézier polynomial for the velocity curve.
@ -1229,6 +1228,15 @@ hal_timer_t Stepper::isr_scheduler() {
// as constant as possible!!!!
void Stepper::stepper_pulse_phase_isr() {
// If we must abort the current block, do so!
if (abort_current_block) {
abort_current_block = false;
if (current_block) {
current_block = NULL;
planner.discard_current_block();
}
}
// If there is no current block, do nothing
if (!current_block) return;
@ -1558,12 +1566,13 @@ uint32_t Stepper::stepper_block_phase_isr() {
return interval; // No more queued movements!
}
// Initialize the trapezoid generator from the current block.
static int8_t last_extruder = -1;
// Compute movement direction for proper endstop handling
LOOP_NA(i) last_movement_non_null[i] = !!current_block->steps[i];
// Initialize the trapezoid generator from the current block.
#if ENABLED(LIN_ADVANCE)
#if E_STEPPERS > 1
if (current_block->active_extruder != last_extruder) {
if (current_block->active_extruder != last_movement_extruder) {
current_adv_steps = 0; // If the now active extruder wasn't in use during the last move, its pressure is most likely gone.
LA_active_extruder = current_block->active_extruder;
}
@ -1576,12 +1585,21 @@ uint32_t Stepper::stepper_block_phase_isr() {
}
#endif
if (current_block->direction_bits != last_direction_bits || current_block->active_extruder != last_extruder) {
if (current_block->direction_bits != last_direction_bits || current_block->active_extruder != last_movement_extruder) {
last_direction_bits = current_block->direction_bits;
last_extruder = current_block->active_extruder;
last_movement_extruder = current_block->active_extruder;
set_directions();
}
// At this point, we must ensure the movement about to execute isn't
// trying to force the head against a limit switch. If using interrupt-
// driven change detection, and already against a limit then no call to
// the endstop_triggered method will be done and the movement will be
// done against the endstop. So, check the limits here: If the movement
// is against the limits, the block will be marked as to be killed, and
// on the next call to this ISR, will be discarded.
endstops.check_possible_change();
// No acceleration / deceleration time elapsed so far
acceleration_time = deceleration_time = 0;
@ -1614,11 +1632,6 @@ uint32_t Stepper::stepper_block_phase_isr() {
counter_m[i] = -(current_block->mix_event_count[i] >> 1);
#endif
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
e_hit = 2; // Needed for the case an endstop is already triggered before the new move begins.
// No 'change' can be detected.
#endif
#if ENABLED(Z_LATE_ENABLE)
// If delayed Z enable, enable it now. This option will severely interfere with
// timing between pulses when chaining motion between blocks, and it could lead
@ -1894,9 +1907,6 @@ void Stepper::init() {
if (!E_ENABLE_ON) E4_ENABLE_WRITE(HIGH);
#endif
// Init endstops and pullups
endstops.init();
#define _STEP_INIT(AXIS) AXIS ##_STEP_INIT
#define _WRITE_STEP(AXIS, HIGHLOW) AXIS ##_STEP_WRITE(HIGHLOW)
#define _DISABLE(AXIS) disable_## AXIS()
@ -2034,29 +2044,14 @@ int32_t Stepper::position(const AxisEnum axis) {
return v;
}
void Stepper::quick_stop() {
const bool was_enabled = STEPPER_ISR_ENABLED();
DISABLE_STEPPER_DRIVER_INTERRUPT();
if (current_block) {
step_events_completed = current_block->step_event_count;
current_block = NULL;
}
if (was_enabled) ENABLE_STEPPER_DRIVER_INTERRUPT();
}
void Stepper::kill_current_block() {
const bool was_enabled = STEPPER_ISR_ENABLED();
DISABLE_STEPPER_DRIVER_INTERRUPT();
if (current_block)
step_events_completed = current_block->step_event_count;
if (was_enabled) ENABLE_STEPPER_DRIVER_INTERRUPT();
}
// Signal endstops were triggered - This function can be called from
// an ISR context (Temperature, Stepper or limits ISR), so we must
// be very careful here. If the interrupt being preempted was the
// Stepper ISR (this CAN happen with the endstop limits ISR) then
// when the stepper ISR resumes, we must be very sure that the movement
// is properly cancelled
void Stepper::endstop_triggered(const AxisEnum axis) {
const bool was_enabled = STEPPER_ISR_ENABLED();
if (was_enabled) DISABLE_STEPPER_DRIVER_INTERRUPT();
@ -2074,14 +2069,7 @@ void Stepper::endstop_triggered(const AxisEnum axis) {
#endif // !COREXY && !COREXZ && !COREYZ
// Discard the rest of the move if there is a current block
if (current_block) {
// Kill the current block being executed
step_events_completed = current_block->step_event_count;
// Prep to get a new block after cleaning
current_block = NULL;
}
quick_stop();
if (was_enabled) ENABLE_STEPPER_DRIVER_INTERRUPT();
}

18
Marlin/src/module/stepper.h
View file

@ -75,7 +75,10 @@ class Stepper {
private:
static uint8_t last_direction_bits; // The next stepping-bits to be output
static uint8_t last_direction_bits, // The next stepping-bits to be output
last_movement_extruder; // Last movement extruder, as computed when the last movement was fetched from planner
static bool abort_current_block, // Signals to the stepper that current block should be aborted
last_movement_non_null[NUM_AXIS]; // Last Movement in the given direction is not null, as computed when the last movement was fetched from planner
#if ENABLED(X_DUAL_ENDSTOPS)
static bool locked_x_motor, locked_x2_motor;
@ -189,13 +192,16 @@ class Stepper {
static void wake_up();
// Quickly stop all steppers
static void quick_stop();
FORCE_INLINE static void quick_stop() { abort_current_block = true; }
// The direction of a single motor
FORCE_INLINE static bool motor_direction(const AxisEnum axis) { return TEST(last_direction_bits, axis); }
// Kill current block
static void kill_current_block();
// The last movement direction was not null on the specified axis. Note that motor direction is not necessarily the same.
FORCE_INLINE static bool movement_non_null(const AxisEnum axis) { return last_movement_non_null[axis]; }
// The extruder associated to the last movement
FORCE_INLINE static uint8_t movement_extruder() { return last_movement_extruder; }
// Handle a triggered endstop
static void endstop_triggered(const AxisEnum axis);
@ -249,7 +255,7 @@ class Stepper {
FORCE_INLINE static uint32_t calc_timer_interval(uint32_t step_rate) {
uint32_t timer;
NOMORE(step_rate, MAX_STEP_FREQUENCY);
NOMORE(step_rate, uint32_t(MAX_STEP_FREQUENCY));
// TODO: HAL: tidy this up, use Conditionals_post.h
#ifdef CPU_32_BIT
@ -288,7 +294,7 @@ class Stepper {
timer = uint32_t(HAL_STEPPER_TIMER_RATE) / step_rate;
NOLESS(timer, min_time_per_step); // (STEP_DOUBLER_FREQUENCY * 2 kHz - this should never happen)
#else
NOLESS(step_rate, F_CPU / 500000);
NOLESS(step_rate, uint32_t(F_CPU / 500000U));
step_rate -= F_CPU / 500000; // Correct for minimal speed
if (step_rate >= (8 * 256)) { // higher step rate
uint8_t tmp_step_rate = (step_rate & 0x00FF);

20
Marlin/src/module/temperature.cpp
View file

@ -41,10 +41,6 @@
#include "stepper.h"
#endif
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE) || ENABLED(PINS_DEBUGGING)
#include "endstops.h"
#endif
#include "printcounter.h"
#if ENABLED(FILAMENT_WIDTH_SENSOR)
@ -2247,20 +2243,8 @@ void Temperature::isr() {
}
#endif // BABYSTEPPING
#if ENABLED(PINS_DEBUGGING)
endstops.run_monitor(); // report changes in endstop status
#endif
// Update endstops state, if enabled
#if ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
extern volatile uint8_t e_hit;
if (e_hit && ENDSTOPS_ENABLED) {
endstops.update();
e_hit--;
}
#else
if (ENDSTOPS_ENABLED) endstops.update();
#endif
// Poll endstops state, if required
endstops.poll();
// Periodically call the planner timer
planner.tick();