idle.h

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#ifndef IDLE_H
#define IDLE_H
 
#include "globals.h"
#include BOARD_H //Note that this is not a real file, it is defined in globals.h. 
 
#define IAC_ALGORITHM_NONE    0U
#define IAC_ALGORITHM_ONOFF   1U
#define IAC_ALGORITHM_PWM_OL  2U
#define IAC_ALGORITHM_PWM_CL  3U
#define IAC_ALGORITHM_STEP_OL 4U
#define IAC_ALGORITHM_STEP_CL 5U
#define IAC_ALGORITHM_PWM_OLCL  6U //Openloop plus closedloop IAC control
#define IAC_ALGORITHM_STEP_OLCL  7U //Openloop plus closedloop IAC control
 
#define IDLE_PIN_LOW()  *idle_pin_port &= ~(idle_pin_mask)
#define IDLE_PIN_HIGH() *idle_pin_port |= (idle_pin_mask)
#define IDLE2_PIN_LOW()  *idle2_pin_port &= ~(idle2_pin_mask)
#define IDLE2_PIN_HIGH() *idle2_pin_port |= (idle2_pin_mask)
 
#define STEPPER_FORWARD 0
#define STEPPER_BACKWARD 1
#define STEPPER_POWER_WHEN_ACTIVE 0
#define IDLE_TABLE_SIZE 10
 
enum StepperStatus {SOFF, STEPPING, COOLING}; //The 2 statuses that a stepper can have. STEPPING means that a high pulse is currently being sent and will need to be turned off at some point.
 
struct StepperIdle
{
  int curIdleStep; //Tracks the current location of the stepper
  int targetIdleStep; //What the targeted step is
  volatile StepperStatus stepperStatus;
  volatile unsigned long stepStartTime;
};
 
extern uint16_t idle_pwm_max_count; //Used for variable PWM frequency
extern long FeedForwardTerm;
 
void initialiseIdle(bool forcehoming);
void idleControl(void);
void initialiseIdleUpOutput(void);
void disableIdle(void);
void idleInterrupt(void);
 
#endif