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#include <zephyr.h>
#include "shared/runtime/interrupt_char.h"
void mp_hal_init(void);
void mp_hal_wait_sem(struct k_sem *sem, uint32_t timeout_ms);
static inline mp_uint_t mp_hal_ticks_us(void) {
return k_cyc_to_ns_floor64(k_cycle_get_32()) / 1000;
}
static inline mp_uint_t mp_hal_ticks_ms(void) {
return k_uptime_get();
}
static inline mp_uint_t mp_hal_ticks_cpu(void) {
// ticks_cpu() is defined as using the highest-resolution timing source
// in the system. This is usually a CPU clock, but doesn't have to be,
// here we just use Zephyr hi-res timer.
return k_cycle_get_32();
}
static inline void mp_hal_delay_us(mp_uint_t delay) {
k_busy_wait(delay);
}
static inline void mp_hal_delay_ms(mp_uint_t delay) {
mp_hal_wait_sem(NULL, delay);
}
static inline uint64_t mp_hal_time_ns(void) {
// Not currently implemented.
return 0;
}
#define mp_hal_delay_us_fast(us) (mp_hal_delay_us(us))
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