feat(lwip): Move lwip to components

components/lwip/source/apps/time.c

@@ -0,0 +1,112 @@
+/*
+ time.c - implementation of Time API for esp8266
+
+ Copyright (c) 2014 Ivan Grokhotkov. All rights reserved.
+ This file is part of the esp8266 core for Arduino environment.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#include "c_types.h"
+#include "esp_timer.h"
+
+#include "lwip/apps/sntp.h"
+#include "lwip/apps/time.h"
+#include "lwip/apps/sntp_time.h"
+
+static os_timer_t micros_overflow_timer;
+static uint32 micros_at_last_overflow_tick = 0;
+static uint32 micros_overflow_count = 0;
+
+static void micros_overflow_tick(void * arg)
+{
+	uint32 m = system_get_time();
+	if (m < micros_at_last_overflow_tick)
+		micros_overflow_count ++;
+
+	micros_at_last_overflow_tick = m;
+}
+
+static void micros_set_default_time(void)
+{
+	os_timer_disarm(&micros_overflow_timer);
+	os_timer_setfn(&micros_overflow_timer, (os_timer_func_t *)micros_overflow_tick, 0);
+	os_timer_arm(&micros_overflow_timer, 60 * 1000, 1);
+}
+
+unsigned long millis(void)
+{
+	uint32 m = system_get_time();
+	uint32 c = micros_overflow_count + ((m < micros_at_last_overflow_tick) ? 1 : 0);
+	return c * 4294967 + m / 1000000;
+}
+
+unsigned long micros(void)
+{
+	return system_get_time();
+}
+
+void updateTime(uint32 ms)
+{
+	sntp_set_update_delay(ms);
+}
+
+static void setServer(int id, const char* name_or_ip)
+{
+	if (name_or_ip){
+		sntp_setservername(id, (char*)name_or_ip);
+	}
+}
+
+bool configTime(int timezone, int daylightOffset, char *server1, char *server2, char *server3, bool enable)
+{
+	if (server1 == NULL && server2 == NULL && server3 == NULL)
+		return false;
+
+	sntp_stop();
+
+	setServer(0, server1);
+	setServer(1, server2);
+	setServer(2, server3);
+
+	sntp_set_timezone(timezone);
+
+	sntp_init();
+
+	return true;
+}
+
+int __attribute__((weak))
+_gettimeofday_r(void *ptr, struct timeval *ptimeval, void *ptimezone)
+{
+	if (ptimeval){
+	    time_t seconds = sntp_get_current_timestamp();
+        if (seconds == 0){
+            micros_set_default_time();
+            seconds = millis();
+        }
+		ptimeval->tv_sec = seconds;
+
+		ptimeval->tv_usec = 0;
+	}
+
+	return 0;
+}
+
+char* getrealtimeofday(void)
+{
+	struct timeval t;
+	gettimeofday(&t, NULL);
+	return sntp_get_real_time(t.tv_sec);
+}