51 lines
956 B
C
51 lines
956 B
C
#ifndef _DDA_QUEUE
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#define _DDA_QUEUE
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#include "dda.h"
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#if (F_CPU & 0xFF000000) == 0
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// set timeout to 1 second
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#define HEATER_WAIT_TIMEOUT (F_CPU << 8)
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#else
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// set timeout to maximum
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#define HEATER_WAIT_TIMEOUT 0xFFFFFF00
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#endif
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/*
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variables
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*/
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// this is the ringbuffer that holds the current and pending moves.
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extern uint8_t mb_head;
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extern uint8_t mb_tail;
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extern DDA movebuffer[MOVEBUFFER_SIZE];
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/*
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methods
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*/
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// queue status methods
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uint8_t queue_full(void);
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uint8_t queue_empty(void);
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// take one step
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void queue_step(void);
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// add a new target to the queue
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// t == NULL means add a wait for target temp to the queue
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void enqueue(TARGET *t);
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// called from step timer when current move is complete
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void next_move(void) __attribute__ ((hot));
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// print queue status
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void print_queue(void);
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// flush the queue for eg; emergency stop
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void queue_flush(void);
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// wait for queue to empty
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void queue_wait(void);
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#endif /* _DDA_QUEUE */
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