fixup! fixup! cpu/native: implement periph_rtc_ms

RIOT-OS · Mar 3, 2023 · e1de748 · e1de748
1 parent 18a65bd
commit e1de748
Showing 1 changed file with 14 additions and 2 deletions.
diff --git a/cpu/native/periph/rtc.c b/cpu/native/periph/rtc.c
@@ -37,6 +37,13 @@
 #define ENABLE_DEBUG 0
 #include "debug.h"
 
+/**
+ * @brief   Time source of the native RTC
+ */
+#ifndef NATIVE_RTC_SOURCE
+#define NATIVE_RTC_SOURCE CLOCK_REALTIME
+#endif
+
 static int _native_rtc_initialized = 0;
 static int _native_rtc_powered = 0;
 
@@ -141,10 +148,15 @@ int rtc_set_time(struct tm *ttime)
         warnx("rtc_set_time: out of time_t range");
         return -1;
     }
+
+    struct timespec tv;
+
     _native_syscall_enter();
-    _native_rtc_offset = tnew - time(NULL);
+    clock_gettime(NATIVE_RTC_SOURCE, &tv);
     _native_syscall_leave();
 
+    _native_rtc_offset = tnew - tv.tv_sec;
+
     if (_native_rtc_alarm_callback) {
         rtc_set_alarm(&_native_rtc_alarm, _native_rtc_alarm_callback,
                 _native_rtc_timer.arg);
@@ -167,7 +179,7 @@ int rtc_get_time_ms(struct tm *ttime, uint16_t *ms)
     }
 
     _native_syscall_enter();
-    clock_gettime(CLOCK_REALTIME, &tv);
+    clock_gettime(NATIVE_RTC_SOURCE, &tv);
     tv.tv_sec += _native_rtc_offset;
 
     if (ms) {