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ErriezDS3231DumpRegisters.ino
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ErriezDS3231DumpRegisters.ino
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/*
* MIT License
*
* Copyright (c) 2020 Erriez
*
* 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.
*/
/*!
* \brief DS3231 RTC dump registers example for Arduino
* \details
* Source: https://github.com/Erriez/ErriezDS3231
* Documentation: https://erriez.github.io/ErriezDS3231
*/
#include <Wire.h>
#include <ErriezDS3231.h>
// Create DS3231 RTC object
ErriezDS3231 rtc;
void setup()
{
// Initialize serial port
delay(500);
Serial.begin(115200);
while (!Serial) {
;
}
Serial.println(F("\nErriez DS3231 dump register example\n"));
// Initialize TWI
Wire.begin();
Wire.setClock(400000);
// Initialize RTC
while (!rtc.begin()) {
Serial.println(F("RTC not found"));
delay(3000);
}
// Enable RTC clock
if (!rtc.isRunning()) {
rtc.clockEnable();
}
}
void loop()
{
uint8_t buf[DS3231_NUM_REGS];
// Read all registers
if (!rtc.readBuffer(0, buf, sizeof(buf))) {
Serial.println(F("Read buffers failed"));
return;
}
// Print all registers
Serial.println(F("Registers: "));
for (uint8_t i = 0; i < sizeof(buf); i++) {
Serial.print(F(" "));
Serial.print(i);
Serial.print(F(": 0x"));
if (buf[i] < 0x10) {
Serial.print(F("0"));
}
Serial.println(buf[i], HEX);
}
delay(1000);
}