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Replace block.busy with a block.flag bit

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This commit is contained in:
Scott Lahteine
2016-10-30 16:05:14 -05:00
parent c7f22f688f
commit 75dbb71dd7
3 changed files with 35 additions and 30 deletions
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34
Marlin/planner.h
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@ -40,17 +40,27 @@
#include "vector_3.h"
#endif
enum BlockFlagBit {
// Recalculate trapezoids on entry junction. For optimization.
BLOCK_BIT_RECALCULATE,
// Nominal speed always reached.
// i.e., The segment is long enough, so the nominal speed is reachable if accelerating
// from a safe speed (in consideration of jerking from zero speed).
BLOCK_BIT_NOMINAL_LENGTH,
// Start from a halt at the start of this block, respecting the maximum allowed jerk.
BLOCK_BIT_START_FROM_FULL_HALT,
// The block is busy
BLOCK_BIT_BUSY
};
enum BlockFlag {
// Recalculate trapezoids on entry junction. For optimization.
BLOCK_FLAG_RECALCULATE = _BV(0),
// Nominal speed always reached.
// i.e., The segment is long enough, so the nominal speed is reachable if accelerating
// from a safe speed (in consideration of jerking from zero speed).
BLOCK_FLAG_NOMINAL_LENGTH = _BV(1),
// Start from a halt at the start of this block, respecting the maximum allowed jerk.
BLOCK_FLAG_START_FROM_FULL_HALT = _BV(2)
BLOCK_FLAG_RECALCULATE = _BV(BLOCK_BIT_RECALCULATE),
BLOCK_FLAG_NOMINAL_LENGTH = _BV(BLOCK_BIT_NOMINAL_LENGTH),
BLOCK_FLAG_START_FROM_FULL_HALT = _BV(BLOCK_BIT_START_FROM_FULL_HALT),
BLOCK_FLAG_BUSY = _BV(BLOCK_BIT_BUSY)
};
/**
@ -113,8 +123,6 @@ typedef struct {
unsigned long valve_pressure, e_to_p_pressure;
#endif
volatile char busy;
} block_t;
#define BLOCK_MOD(n) ((n)&(BLOCK_BUFFER_SIZE-1))
@ -341,7 +349,7 @@ class Planner {
static block_t* get_current_block() {
if (blocks_queued()) {
block_t* block = &block_buffer[block_buffer_tail];
block->busy = true;
SBI(block->flag, BLOCK_BIT_BUSY);
return block;
}
else