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Min step delay in microseconds (EXTEND_STEP_PULSE_USEC) for Stepperpulse

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For A4988 dont use it
This commit is contained in:
midopple 2012-11-28 19:14:58 +01:00
parent c719b3820f
commit 79da42fb65
2 changed files with 28 additions and 7 deletions
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7
Sprinter/Configuration.h
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@ -162,9 +162,12 @@ const int NUM_AXIS = 4; // The axis order in all axis related arrays is X, Y, Z,
//// Not used at the Moment
//-----------------------------------------------------------------------
// Min step delay in microseconds. If you are experiencing missing steps, try to raise the delay microseconds, but be aware this
// Extended step pulse in microseconds.
// If you enable this, make sure STEP_DELAY_RATIO is disabled.
//#define STEP_DELAY_MICROS 1
// Minimum High Time for Stepperpulse at 16 Mhz (E-Axis) is 2,4 us
// Minimum High Time for Stepperpulse on X = 6,7 us / Y = 5,6 us / Z = 3,6 us
// if you want Stepperpulse like 8 us set the value to 6
#define EXTEND_STEP_PULSE_USEC 0
// Step delay over interval ratio. If you are still experiencing missing steps, try to uncomment the following line, but be aware this
// If you enable this, make sure STEP_DELAY_MICROS is disabled. (except for Gen6: both need to be enabled.)

28
Sprinter/Sprinter.pde
View file

@ -142,6 +142,12 @@
- Error in JERK calculation after G92 command is send, make problems
with Z-Lift function in Slic3r
- Add homing values can shown with M206 D
- M303 Autotune use HEATER_CURRENT val for Maximum PWM Value
Version 1.3.23T
- Change max overshoot for Autotune to 55 °C
- Analog pins was added with the wrong pin number, needs to be offset +55 to protect against using the pin as a digital
- Min step delay in microseconds (EXTEND_STEP_PULSE_USEC)
*/
@ -249,7 +255,7 @@ void __cxa_pure_virtual(){};
// M603 - Show Free Ram
#define _VERSION_TEXT "1.3.22T / 20.08.2012"
#define _VERSION_TEXT "1.3.23T / 28.11.2012"
//Stepper Movement Variables
char axis_codes[NUM_AXIS] = {'X', 'Y', 'Z', 'E'};
@ -3314,7 +3320,7 @@ ISR(TIMER1_COMPA_vect)
virtual_steps_x++;
counter_x -= current_block->step_event_count;
WRITE(X_STEP_PIN, LOW);
//WRITE(X_STEP_PIN, LOW);
}
counter_y += current_block->steps_y;
@ -3330,7 +3336,7 @@ ISR(TIMER1_COMPA_vect)
virtual_steps_y++;
counter_y -= current_block->step_event_count;
WRITE(Y_STEP_PIN, LOW);
//WRITE(Y_STEP_PIN, LOW);
}
counter_z += current_block->steps_z;
@ -3346,7 +3352,7 @@ ISR(TIMER1_COMPA_vect)
virtual_steps_z++;
counter_z -= current_block->step_event_count;
WRITE(Z_STEP_PIN, LOW);
//WRITE(Z_STEP_PIN, LOW);
}
#ifndef ADVANCE
@ -3354,11 +3360,23 @@ ISR(TIMER1_COMPA_vect)
if (counter_e > 0) {
WRITE(E_STEP_PIN, HIGH);
counter_e -= current_block->step_event_count;
WRITE(E_STEP_PIN, LOW);
//WRITE(E_STEP_PIN, LOW);
}
#endif //!ADVANCE
step_events_completed += 1;
#if (EXTEND_STEP_PULSE_USEC > 0)
delayMicroseconds(EXTEND_STEP_PULSE_USEC);
#endif
WRITE(X_STEP_PIN, LOW);
WRITE(Y_STEP_PIN, LOW);
WRITE(Z_STEP_PIN, LOW);
#ifndef ADVANCE
WRITE(E_STEP_PIN, LOW);
#endif
if(step_events_completed >= current_block->step_event_count) break;
}