A refactor.

Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>

src/pico_time.c

@@ -0,0 +1,87 @@
+/*
+ * This file is part of the Pico Keys SDK distribution (https://github.com/polhenarejos/pico-keys-sdk).
+ * Copyright (c) 2022 Pol Henarejos.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, version 3.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "picokeys.h"
+#include "pico_time.h"
+
+#ifdef _MSC_VER
+#include <windows.h>
+struct timezone
+{
+    __int32  tz_minuteswest; /* minutes W of Greenwich */
+    bool  tz_dsttime;     /* type of dst correction */
+};
+int gettimeofday(struct timeval* tp, struct timezone* tzp)
+{
+    (void)tzp;
+    // Note: some broken versions only have 8 trailing zero's, the correct epoch has 9 trailing zero's
+    // This magic number is the number of 100 nanosecond intervals since January 1, 1601 (UTC)
+    // until 00:00:00 January 1, 1970
+    static const uint64_t EPOCH = ((uint64_t)116444736000000000ULL);
+
+    SYSTEMTIME  system_time;
+    FILETIME    file_time;
+    uint64_t    time;
+
+    GetSystemTime(&system_time);
+    SystemTimeToFileTime(&system_time, &file_time);
+    time = ((uint64_t)file_time.dwLowDateTime);
+    time += ((uint64_t)file_time.dwHighDateTime) << 32;
+
+    tp->tv_sec = (long)((time - EPOCH) / 10000000L);
+    tp->tv_usec = (long)(system_time.wMilliseconds * 1000);
+    return 0;
+}
+#endif
+
+
+bool set_rtc = false;
+
+bool has_set_rtc(void) {
+    return set_rtc;
+}
+
+void set_rtc_time(time_t t) {
+#ifdef PICO_PLATFORM
+    struct timespec tv = {.tv_sec = t, .tv_nsec = 0};
+    aon_timer_set_time(&tv);
+#else
+    struct timeval tv = {.tv_sec = t, .tv_usec = 0};
+    settimeofday(&tv, NULL);
+#endif
+    set_rtc = true;
+}
+
+time_t get_rtc_time(void) {
+#ifdef PICO_PLATFORM
+    struct timespec tv;
+    aon_timer_get_time(&tv);
+    return tv.tv_sec;
+#else
+    struct timeval tv;
+    gettimeofday(&tv, NULL);
+    return tv.tv_sec;
+#endif
+}
+
+void init_rtc(void) {
+#ifdef PICO_PLATFORM
+    struct timespec tv = {0};
+    tv.tv_sec = 1577836800; // 2020-01-01
+    aon_timer_start(&tv);
+#endif
+}