libdragon
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Timer Subsystem. More...
Defines | |
#define | read_count(x) asm volatile("mfc0 %0,$9\n\t nop \n\t" : "=r" (x) : ) |
Read the count out of the count register. | |
#define | write_count(x) asm volatile("mtc0 %0,$9\n\t nop \n\t" : : "r" (x) ) |
Write the count to the count register. | |
#define | write_compare(x) asm volatile("mtc0 %0,$11\n\t nop \n\t" : : "r" (x) ) |
Set the compare register. | |
Functions | |
static int | __proc_timers (timer_link_t *head) |
Process linked list of timers. | |
static void | timer_callback (void) |
Timer callback function. | |
void | timer_init (void) |
Initialize the timer subsystem. | |
timer_link_t * | new_timer (int ticks, int flags, void(*callback)(int ovfl)) |
Create a new timer and add to list. | |
void | start_timer (timer_link_t *timer, int ticks, int flags, void(*callback)(int ovfl)) |
Start a timer not currently in the list. | |
void | stop_timer (timer_link_t *timer) |
Stop a timer and remove it from the list. | |
void | delete_timer (timer_link_t *timer) |
Remove a timer from the list and delete it. | |
void | timer_close (void) |
Free and close the timer subsystem. | |
long long | timer_ticks (void) |
Return total ticks since timer was initialized. | |
Variables | |
static timer_link_t * | TI_timers = 0 |
Internal linked list of timers. | |
static long long | total_ticks |
Total ticks elapsed since timer subsystem initialization. |
Timer Subsystem.