esp32/mphalport: Fix mp_hal_time_ns offset.
gettimeofday returns seconds since 2000/1/1 so needs to be adjusted to
seconds since 1970/1/1 to give the correct return value of mp_hal_time_ns.
#include "py/mpstate.h"
#include "py/mphal.h"
#include "extmod/misc.h"
+#include "lib/timeutils/timeutils.h"
#include "lib/utils/pyexec.h"
#include "mphalport.h"
@@ -199,7 +200,10 @@ void mp_hal_delay_us(uint32_t us) {
uint64_t mp_hal_time_ns(void) {
struct timeval tv;
gettimeofday(&tv, NULL);
- return (uint64_t)tv.tv_sec * 1000000000ULL + (uint64_t)tv.tv_usec * 1000ULL;
+ // gettimeofday returns seconds since 2000/1/1
+ uint64_t ns = timeutils_seconds_since_2000_to_nanoseconds_since_1970(tv.tv_sec);
+ ns += (uint64_t)tv.tv_usec * 1000ULL;
+ return ns;
}
// Wake up the main task if it is sleeping
