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si5351_example.ino
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si5351_example.ino
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/*
* si5351_example.ino - Simple example of using Si5351Arduino library
*
* Copyright (C) 2015 - 2016 Jason Milldrum <milldrum@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "si5351.h"
#include "Wire.h"
Si5351 si5351;
void setup()
{
bool i2c_found;
// Start serial and initialize the Si5351
Serial.begin(57600);
i2c_found = si5351.init(SI5351_CRYSTAL_LOAD_8PF, 0, 0);
if(!i2c_found)
{
Serial.println("Device not found on I2C bus!")
}
// Set CLK0 to output 14 MHz
si5351.set_freq(1400000000ULL, SI5351_CLK0);
// Set CLK1 to output 175 MHz
si5351.set_ms_source(SI5351_CLK1, SI5351_PLLB);
si5351.set_freq_manual(17500000000ULL, 70000000000ULL, SI5351_CLK1);
// Query a status update and wait a bit to let the Si5351 populate the
// status flags correctly.
si5351.update_status();
delay(500);
}
void loop()
{
// Read the Status Register and print it every 10 seconds
si5351.update_status();
Serial.print("SYS_INIT: ");
Serial.print(si5351.dev_status.SYS_INIT);
Serial.print(" LOL_A: ");
Serial.print(si5351.dev_status.LOL_A);
Serial.print(" LOL_B: ");
Serial.print(si5351.dev_status.LOL_B);
Serial.print(" LOS: ");
Serial.print(si5351.dev_status.LOS);
Serial.print(" REVID: ");
Serial.println(si5351.dev_status.REVID);
delay(10000);
}