bissen21/Marlin_Firmware
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various changes

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This commit is contained in:
Erik van der Zalm
2012-02-21 20:17:28 +01:00
parent fa2e1be0ca
commit a0a1f81913
3 changed files with 28 additions and 22 deletions
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19
Marlin/planner.cpp
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@ -439,11 +439,24 @@ float junction_deviation = 0.1;
// 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.
void plan_buffer_line(const float &x, const float &y, const float &z, const float &e, float feed_rate, const uint8_t &extruder)
void plan_buffer_line(float &x, float &y, float &z, float &e, float feed_rate, uint8_t &extruder)
{
// Calculate the buffer head after we push this byte
int next_buffer_head = next_block_index(block_buffer_head);
if (min_software_endstops) {
if (x < 0) x = 0;
if (y < 0) y = 0;
if (z < 0) z = 0;
}
if (max_software_endstops) {
if (x > X_MAX_LENGTH) x = X_MAX_LENGTH;
if (y > Y_MAX_LENGTH) y = Y_MAX_LENGTH;
if (z > Z_MAX_LENGTH) z = Z_MAX_LENGTH;
}
// If the buffer is full: good! That means we are well ahead of the robot.
// Rest here until there is room in the buffer.
while(block_buffer_tail == next_buffer_head) {
@ -451,7 +464,7 @@ void plan_buffer_line(const float &x, const float &y, const float &z, const floa
manage_inactivity(1);
LCD_STATUS;
}
// The target position of the tool in absolute steps
// Calculate target position in absolute steps
//this should be done after the wait, because otherwise a M92 code within the gcode disrupts this calculation somehow
@ -461,6 +474,8 @@ void plan_buffer_line(const float &x, const float &y, const float &z, const floa
target[Z_AXIS] = lround(z*axis_steps_per_unit[Z_AXIS]);
target[E_AXIS] = lround(e*axis_steps_per_unit[E_AXIS]);
#ifdef PREVENT_DANGEROUS_EXTRUDE
if(target[E_AXIS]!=position[E_AXIS])
if(degHotend(active_extruder)<EXTRUDE_MINTEMP && !allow_cold_extrude)