diff options
| -rw-r--r-- | hw/hal/include/hal/hal_cputime.h | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/hw/hal/include/hal/hal_cputime.h b/hw/hal/include/hal/hal_cputime.h index 7932de65..08cf2dec 100644 --- a/hw/hal/include/hal/hal_cputime.h +++ b/hw/hal/include/hal/hal_cputime.h @@ -26,6 +26,22 @@ extern "C" { #include "os/queue.h" +/* + * NOTE: these definitions allow one to override the cputime frequency used. + * The reason these definitions exist is to make the code more efficient/smaller + * when CPUTIME counts at 1 MHz. + * + * For those who want a different cputime frequency, you can set the macro + * HAL_CPUTIME to the desired frequency in your project, target or bsp. + */ +#ifndef HAL_CPUTIME +#define HAL_CPUTIME 1000000 +#endif + +#if (HAL_CPUTIME == 1000000) +#define HAL_CPUTIME_1MHZ +#endif + /* CPU timer callback function */ struct cpu_timer; typedef void (*cputimer_func)(void *arg); |