made local variables static

This commit is contained in:
Simen Svale Skogsrud
2011-01-25 23:33:19 +01:00
parent d8e2778b7b
commit 35064b53e9
4 changed files with 17 additions and 16 deletions

View File

@ -39,21 +39,21 @@ void set_step_events_per_minute(uint32_t steps_per_minute);
#define MINIMUM_STEPS_PER_MINUTE 1200
#define CYCLES_PER_ACCELERATION_TICK ((TICKS_PER_MICROSECOND*1000000)/ACCELERATION_TICKS_PER_SECOND)
block_t *current_block; // A convenience pointer to the block currently being traced
static block_t *current_block; // A convenience pointer to the block currently being traced
// Variables used by The Stepper Driver Interrupt
uint8_t out_bits; // The next stepping-bits to be output
int32_t counter_x,
counter_y,
counter_z; // counter variables for the bresenham line tracer
uint32_t step_events_completed; // The number of step events executed in the current block
volatile int busy; // TRUE when SIG_OUTPUT_COMPARE1A is being serviced. Used to avoid retriggering that handler.
static uint8_t out_bits; // The next stepping-bits to be output
static int32_t counter_x, // Counter variables for the bresenham line tracer
counter_y,
counter_z;
static uint32_t step_events_completed; // The number of step events executed in the current block
volatile int busy; // TRUE when SIG_OUTPUT_COMPARE1A is being serviced. Used to avoid retriggering that handler.
// Variables used by the trapezoid generation
uint32_t cycles_per_step_event; // The number of machine cycles between each step event
uint32_t trapezoid_tick_cycle_counter; // The cycles since last trapezoid_tick. Used to generate ticks at a steady
// pace without allocating a separate timer
uint32_t trapezoid_adjusted_rate; // The current rate of step_events according to the trapezoid generator
static uint32_t cycles_per_step_event; // The number of machine cycles between each step event
static uint32_t trapezoid_tick_cycle_counter; // The cycles since last trapezoid_tick. Used to generate ticks at a steady
// pace without allocating a separate timer
static uint32_t trapezoid_adjusted_rate; // The current rate of step_events according to the trapezoid generator
// Two trapezoids:
// __________________________