/* * Example of using DS1307 RTC driver * * Part of esp-open-rtos * Copyright (C) 2016 Ruslan V. Uss * BSD Licensed as described in the file LICENSE */ #include #include #include #include #include #define SCL_PIN 5 #define SDA_PIN 4 void user_init (void) { uart_set_baud (0, 115200); printf ("SDK version:%s\n", sdk_system_get_sdk_version ()); i2c_init (SCL_PIN, SDA_PIN); ds1307_start (true); // setup datetime: 2016-10-09 13:50:10 struct tm time = { .tm_year = 2016, .tm_mon = 10, .tm_mday = 9, .tm_hour = 13, .tm_min = 50, .tm_sec = 10 }; ds1307_set_time (&time); while (true) { ds1307_get_time (&time); printf ("%04d-%02d-%02d %02d:%02d:%02d\n", time.tm_year, time.tm_mon, time.tm_mday, time.tm_hour, time.tm_min, time.tm_sec); for (uint32_t i = 0; i < 1000; i ++) sdk_os_delay_us (500); } }