diff options
| -rw-r--r-- | Sprinter/Configuration.h | 4 | ||||
| -rw-r--r-- | Sprinter/Sprinter.pde | 60 |
2 files changed, 42 insertions, 22 deletions
diff --git a/Sprinter/Configuration.h b/Sprinter/Configuration.h index e403de5..7fcedb2 100644 --- a/Sprinter/Configuration.h +++ b/Sprinter/Configuration.h @@ -152,6 +152,10 @@ const int NUM_AXIS = 4; // The axis order in all axis related arrays is X, Y, Z, #define MAX_STEP_FREQUENCY 30000 // Max step frequency +//For the retract (negative Extruder) move this Feedrate is used +//The next positive Extruder move use also this feedrate, +//then for the next (second after retract) move the original Feedrate is used +#define MAX_RETRACT_FEEDRATE 100 //mm/sec //----------------------------------------------------------------------- //// Not used at the Moment diff --git a/Sprinter/Sprinter.pde b/Sprinter/Sprinter.pde index 0589015..b0617f0 100644 --- a/Sprinter/Sprinter.pde +++ b/Sprinter/Sprinter.pde @@ -113,6 +113,9 @@ - M206 - set additional homeing offset - Option for minimum FAN start speed --> #define MINIMUM_FAN_START_SPEED 50 (set it to zero to deaktivate) + Version 1.3.16T +- Extra Max Feedrate for Retract (MAX_RETRACT_FEEDRATE) + */ @@ -215,7 +218,7 @@ void __cxa_pure_virtual(){}; // M603 - Show Free Ram -#define _VERSION_TEXT "1.3.15T / 22.04.2012" +#define _VERSION_TEXT "1.3.16T / 24.04.2012" //Stepper Movement Variables char axis_codes[NUM_AXIS] = {'X', 'Y', 'Z', 'E'}; @@ -1724,7 +1727,7 @@ FORCE_INLINE void process_commands() showString(PSTR("\r\n")); break; - case 201: // M201 + case 201: // M201 Set maximum acceleration in units/s^2 for print moves (M201 X1000 Y1000) for(int8_t i=0; i < NUM_AXIS; i++) { @@ -2397,6 +2400,9 @@ void check_axes_activity() { float junction_deviation = 0.1; +float max_E_feedrate_calc = MAX_RETRACT_FEEDRATE; +bool retract_feedrate_aktiv = false; + // Add a new linear movement to the buffer. steps_x, _y and _z is the absolute position in // mm. Microseconds specify how many microseconds the move should take to perform. To aid acceleration // calculation the caller must also provide the physical length of the line in millimeters. @@ -2447,7 +2453,25 @@ void plan_buffer_line(float x, float y, float z, float e, float feed_rate) if (target[X_AXIS] < position[X_AXIS]) { block->direction_bits |= (1<<X_AXIS); } if (target[Y_AXIS] < position[Y_AXIS]) { block->direction_bits |= (1<<Y_AXIS); } if (target[Z_AXIS] < position[Z_AXIS]) { block->direction_bits |= (1<<Z_AXIS); } - if (target[E_AXIS] < position[E_AXIS]) { block->direction_bits |= (1<<E_AXIS); } + if (target[E_AXIS] < position[E_AXIS]) + { + block->direction_bits |= (1<<E_AXIS); + //High Feedrate for retract + max_E_feedrate_calc = MAX_RETRACT_FEEDRATE; + retract_feedrate_aktiv = true; + } + else + { + if(retract_feedrate_aktiv) + { + if(block->steps_e > 0) + retract_feedrate_aktiv = false; + } + else + { + max_E_feedrate_calc = max_feedrate[E_AXIS]; + } + } #ifdef DELAY_ENABLE @@ -2532,32 +2556,24 @@ void plan_buffer_line(float x, float y, float z, float e, float feed_rate) */ - // Calculate speed in mm/sec for each axis + // Calculate and limit speed in mm/sec for each axis float current_speed[4]; - for(int i=0; i < 4; i++) { - current_speed[i] = delta_mm[i] * inverse_second; - } - - // Limit speed per axis float speed_factor = 1.0; //factor <=1 do decrease speed - for(int i=0; i < 4; i++) { + for(int i=0; i < 3; i++) + { + current_speed[i] = delta_mm[i] * inverse_second; if(fabs(current_speed[i]) > max_feedrate[i]) speed_factor = min(speed_factor, max_feedrate[i] / fabs(current_speed[i])); } + + current_speed[E_AXIS] = delta_mm[E_AXIS] * inverse_second; + if(fabs(current_speed[E_AXIS]) > max_E_feedrate_calc) + speed_factor = min(speed_factor, max_E_feedrate_calc / fabs(current_speed[E_AXIS])); + // Correct the speed - if( speed_factor < 1.0) { -// Serial.print("speed factor : "); Serial.println(speed_factor); - for(int i=0; i < 4; i++) { - if(fabs(current_speed[i]) > max_feedrate[i]) - speed_factor = min(speed_factor, max_feedrate[i] / fabs(current_speed[i])); - /* - if(speed_factor < 0.1) { - Serial.print("speed factor : "); Serial.println(speed_factor); - Serial.print("current_speed"); Serial.print(i); Serial.print(" : "); Serial.println(current_speed[i]); - } - */ - } + if( speed_factor < 1.0) + { for(unsigned char i=0; i < 4; i++) { current_speed[i] *= speed_factor; } |