/** * * @license MIT License * * Copyright (c) 2022 lewis he * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. * * @file PCF8563_TimeLib.ino * @author Lewis He (lewishe@outlook.com) * @date 2022-12-12 * */ #include #include #include #include "SensorPCF8563.hpp" #include #ifndef SENSOR_SDA #define SENSOR_SDA 42 #endif #ifndef SENSOR_SCL #define SENSOR_SCL 41 #endif #ifndef SENSOR_IRQ #define SENSOR_IRQ 14 #endif SensorPCF8563 rtc; uint32_t intervalue; char buf[64]; void setup() { Serial.begin(115200); while (!Serial); pinMode(SENSOR_IRQ, INPUT_PULLUP); if (!rtc.begin(Wire, SENSOR_SDA, SENSOR_SCL)) { Serial.println("Failed to find PCF8563 - check your wiring!"); while (1) { delay(1000); } } // The simplest way to set up rtc.setDateTime(2024, 1, 17, 4, 21, 30); // Unix tm structure sets the time struct tm timeinfo; timeinfo.tm_yday = 2025 - 1900; //Counting starts from 1900, so subtract 1900 here timeinfo.tm_mon = 1 - 1; //Months start at 0, so you need to subtract 1. timeinfo.tm_mday = 17; timeinfo.tm_hour = 4; timeinfo.tm_min = 30; timeinfo.tm_sec = 30; rtc.setDateTime(timeinfo); } void loop() { if (millis() - intervalue > 1000) { intervalue = millis(); struct tm timeinfo; // Get the time C library structure rtc.getDateTime(&timeinfo); // Format the output using the strftime function // For more formats, please refer to : // https://man7.org/linux/man-pages/man3/strftime.3.html size_t written = strftime(buf, 64, "%A, %B %d %Y %H:%M:%S", &timeinfo); if (written != 0) { Serial.println(buf); } written = strftime(buf, 64, "%b %d %Y %H:%M:%S", &timeinfo); if (written != 0) { Serial.println(buf); } written = strftime(buf, 64, "%A, %d. %B %Y %I:%M%p", &timeinfo); if (written != 0) { Serial.println(buf); } } }