circuitpython/ports/zephyr/mphalport.h

31 lines
1004 B
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);
}
#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"))