ee50a6effe
This should return a 64-bit value being the number of nanoseconds since 1970/1/1. Signed-off-by: Damien George <damien@micropython.org>
36 lines
1.1 KiB
C
36 lines
1.1 KiB
C
#include <zephyr.h>
|
|
#include "lib/utils/interrupt_char.h"
|
|
|
|
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) {
|
|
k_msleep(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))
|
|
#define mp_hal_pin_od_low(p) (mp_raise_NotImplementedError("mp_hal_pin_od_low"))
|
|
#define mp_hal_pin_od_high(p) (mp_raise_NotImplementedError("mp_hal_pin_od_high"))
|
|
#define mp_hal_pin_open_drain(p) (mp_raise_NotImplementedError("mp_hal_pin_open_drain"))
|