Teacup_Firmware/dda_queue.h

48 lines
861 B
C

#ifndef _DDA_QUEUE
#define _DDA_QUEUE
#include "dda.h"
#include "timer.h"
/*
variables
*/
// this is the ringbuffer that holds the current and pending moves.
extern uint_fast8_t mb_tail;
extern DDA movebuffer[MOVEBUFFER_SIZE];
extern DDA *mb_tail_dda;
/*
methods
*/
// queue status methods
uint_fast8_t queue_full(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_home(TARGET *t, uint8_t endstop_check, uint8_t endstop_stop_cond);
static void enqueue(TARGET *) __attribute__ ((always_inline));
inline void enqueue(TARGET *t) {
enqueue_home(t, 0, 0);
}
// 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 */