ManuelW/grbl-LPC-CoreXY
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circle buffers now power of two size and indicies are unsigned to help gcc make a few nice optimizations

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Simen Svale Skogsrud
2011-02-18 21:46:18 +01:00
parent 124bc363bd
commit 6152d16205
2 changed files with 6 additions and 6 deletions
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6
planner.c
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@ -64,11 +64,11 @@
#include "wiring_serial.h"
// The number of linear motions that can be in the plan at any give time
#define BLOCK_BUFFER_SIZE 20
#define BLOCK_BUFFER_SIZE 16
static block_t block_buffer[BLOCK_BUFFER_SIZE]; // A ring buffer for motion instructions
static volatile int block_buffer_head; // Index of the next block to be pushed
static volatile int block_buffer_tail; // Index of the block to process now
static volatile uint8_t block_buffer_head; // Index of the next block to be pushed
static volatile uint8_t block_buffer_tail; // Index of the block to process now
// The current position of the tool in absolute steps
static int32_t position[3];