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Queued fan control. Issue #90

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This commit is contained in:
Erik van der Zalm
2012-03-04 13:05:26 +01:00
parent 21e2bae063
commit aac7aa3bf0
6 changed files with 29 additions and 22 deletions
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1
Marlin/Marlin.h
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@@ -175,6 +175,7 @@ extern float homing_feedrate[];
extern bool axis_relative_modes[];
extern float current_position[NUM_AXIS] ;
extern float add_homeing[3];
extern unsigned char FanSpeed;
// Handling multiple extruders pins
extern uint8_t active_extruder;

14
Marlin/Marlin.pde
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@@ -131,6 +131,7 @@ volatile int extrudemultiply=100; //100->1 200->2
float current_position[NUM_AXIS] = { 0.0, 0.0, 0.0, 0.0 };
float add_homeing[3]={0,0,0};
uint8_t active_extruder = 0;
unsigned char FanSpeed=0;
//===========================================================================
//=============================private variables=============================
@@ -145,8 +146,6 @@ static long gcode_N, gcode_LastN;
static bool relative_mode = false; //Determines Absolute or Relative Coordinates
static bool relative_mode_e = false; //Determines Absolute or Relative E Codes while in Absolute Coordinates mode. E is always relative in Relative Coordinates mode.
static uint8_t fanpwm=0;
static char cmdbuffer[BUFSIZE][MAX_CMD_SIZE];
static bool fromsd[BUFSIZE];
static int bufindr = 0;
@@ -938,19 +937,14 @@ void process_commands()
#if FAN_PIN > -1
case 106: //M106 Fan On
if (code_seen('S')){
WRITE(FAN_PIN,HIGH);
fanpwm=constrain(code_value(),0,255);
analogWrite(FAN_PIN, fanpwm);
FanSpeed=constrain(code_value(),0,255);
}
else {
WRITE(FAN_PIN,HIGH);
fanpwm=255;
analogWrite(FAN_PIN, fanpwm);
FanSpeed=255;
}
break;
case 107: //M107 Fan Off
WRITE(FAN_PIN,LOW);
analogWrite(FAN_PIN, 0);
FanSpeed = 0;
break;
#endif //FAN_PIN

13
Marlin/planner.cpp
View File

@@ -418,23 +418,34 @@ void check_axes_activity() {
unsigned char y_active = 0;
unsigned char z_active = 0;
unsigned char e_active = 0;
unsigned char fan_speed = 0;
unsigned char tail_fan_speed = 0;
block_t *block;
if(block_buffer_tail != block_buffer_head) {
uint8_t block_index = block_buffer_tail;
tail_fan_speed = block_buffer[block_index].fan_speed;
while(block_index != block_buffer_head) {
block = &block_buffer[block_index];
if(block->steps_x != 0) x_active++;
if(block->steps_y != 0) y_active++;
if(block->steps_z != 0) z_active++;
if(block->steps_e != 0) e_active++;
if(block->fan_speed != 0) fan_speed++;
block_index = (block_index+1) & (BLOCK_BUFFER_SIZE - 1);
}
}
else {
if (FanSpeed != 0) analogWrite(FAN_PIN,FanSpeed); // If buffer is empty use current fan speed
}
if((DISABLE_X) && (x_active == 0)) disable_x();
if((DISABLE_Y) && (y_active == 0)) disable_y();
if((DISABLE_Z) && (z_active == 0)) disable_z();
if((DISABLE_E) && (e_active == 0)) { disable_e0();disable_e1();disable_e2(); }
if((FanSpeed == 0) && (fan_speed ==0)) analogWrite(FAN_PIN, 0);
if (FanSpeed != 0 && tail_fan_speed !=0) {
analogWrite(FAN_PIN,tail_fan_speed);
}
}
@@ -498,6 +509,8 @@ void plan_buffer_line(const float &x, const float &y, const float &z, const floa
// Bail if this is a zero-length block
if (block->step_event_count <=dropsegments) { return; };
block->fan_speed = FanSpeed;
// Compute direction bits for this block
block->direction_bits = 0;
if (target[X_AXIS] < position[X_AXIS]) { block->direction_bits |= (1<<X_AXIS); }

1
Marlin/planner.h
View File

@@ -59,6 +59,7 @@ typedef struct {
unsigned long initial_rate; // The jerk-adjusted step rate at start of block
unsigned long final_rate; // The minimal rate at exit
unsigned long acceleration_st; // acceleration steps/sec^2
unsigned long fan_speed;
volatile char busy;
} block_t;

6
Marlin/stepper.cpp
View File

@@ -21,9 +21,6 @@
/* The timer calculations of this module informed by the 'RepRap cartesian firmware' by Zack Smith
and Philipp Tiefenbacher. */
#include "Marlin.h"
#include "stepper.h"
#include "planner.h"
@@ -303,7 +300,8 @@ ISR(TIMER1_COMPA_vect)
counter_y = counter_x;
counter_z = counter_x;
counter_e = counter_x;
step_events_completed = 0;
step_events_completed = 0;
#ifdef Z_LATE_ENABLE
if(current_block->steps_z > 0) {
enable_z();

16
Marlin/ultralcd.pde
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@@ -812,7 +812,7 @@ void MainMenu::showTune()
if(force_lcd_update)
{
lcd.setCursor(0,line);lcdprintPGM(MSG_FAN_SPEED);
lcd.setCursor(13,line);lcd.print(ftostr3(fanpwm));
lcd.setCursor(13,line);lcd.print(ftostr3(FanSpeed));
}
if((activeline!=line) )
@@ -823,7 +823,7 @@ void MainMenu::showTune()
linechanging=!linechanging;
if(linechanging)
{
encoderpos=fanpwm;
encoderpos=FanSpeed;
}
else
{
@@ -836,8 +836,8 @@ void MainMenu::showTune()
{
if(encoderpos<0) encoderpos=0;
if(encoderpos>255) encoderpos=255;
fanpwm=encoderpos;
analogWrite(FAN_PIN, fanpwm);
FanSpeed=encoderpos;
analogWrite(FAN_PIN, FanSpeed);
lcd.setCursor(13,line);lcd.print(itostr3(encoderpos));
}
@@ -1134,7 +1134,7 @@ void MainMenu::showControlTemp()
if(force_lcd_update)
{
lcd.setCursor(0,line);lcdprintPGM(MSG_FAN_SPEED);
lcd.setCursor(13,line);lcd.print(ftostr3(fanpwm));
lcd.setCursor(13,line);lcd.print(ftostr3(FanSpeed));
}
if((activeline!=line) )
@@ -1145,7 +1145,7 @@ void MainMenu::showControlTemp()
linechanging=!linechanging;
if(linechanging)
{
encoderpos=fanpwm;
encoderpos=FanSpeed;
}
else
{
@@ -1158,8 +1158,8 @@ void MainMenu::showControlTemp()
{
if(encoderpos<0) encoderpos=0;
if(encoderpos>255) encoderpos=255;
fanpwm=encoderpos;
analogWrite(FAN_PIN, fanpwm);
FanSpeed=encoderpos;
analogWrite(FAN_PIN, FanSpeed);
lcd.setCursor(13,line);lcd.print(itostr3(encoderpos));
}