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#ifndef _DDA_QUEUE
#define _DDA_QUEUE
#include "dda.h"
#include "timer.h"
#define HEATER_WAIT_TIMEOUT 1000 MS
/*
variables
*/
// this is the ringbuffer that holds the current and pending moves.
extern uint8_t mb_head;
extern uint8_t mb_tail;
extern DDA movebuffer[MOVEBUFFER_SIZE];
/*
methods
*/
// queue status methods
uint8_t queue_full(void);
uint8_t queue_empty(void);
// take one step
void queue_step(void);
// add a new target to the queue
// t == NULL means add a wait for target temp to the queue
void enqueue(TARGET *t);
void enqueue_home(TARGET *t, uint8_t endstop_check, uint8_t endstop_stop_cond);
// called from step timer when current move is complete
void next_move(void) __attribute__ ((hot));
// print queue status
void print_queue(void);
// flush the queue for eg; emergency stop
void queue_flush(void);
// wait for queue to empty
void queue_wait(void);
#endif /* _DDA_QUEUE */