Si5351Arduino v2.0.0 library frequency bug test

si5351_freq_bug.ino

/*
 * si5351example.ino - Simple example of using Si5351Arduino library
 *
 * Copyright (C) 2015 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;

#define BUTTON 12
#define LED 13

uint8_t state = 0;

void setup()
{
  // Start serial and initialize the Si5351
  Serial.begin(57600);
  si5351.init(SI5351_CRYSTAL_LOAD_0PF, 0);
  //si5351.set_correction(970);
  si5351.set_correction(0);

  // Set CLK0 to output 14 MHz with a fixed PLL frequency
  si5351.set_freq(1460000000ULL, SI5351_CLK0);
  //si5351.set_freq(14650000000ULL, SI5351_CLK0);
  si5351.set_freq(10000000ULL, SI5351_CLK1);
  si5351.set_freq(1410000ULL, SI5351_CLK2);
  //si5351.drive_strength(SI5351_CLK0, SI5351_DRIVE_8MA);
  Serial.print("State:");
  Serial.println(state);
  Serial.print("CLK0:");
  Serial.println((uint32_t)(si5351.clk_freq[0]/100));
  Serial.print("CLK1:");
  Serial.println((uint32_t)(si5351.clk_freq[1]/100));
  Serial.print("CLK2:");
  Serial.println((uint32_t)(si5351.clk_freq[2]/100));
  Serial.print("PLLA:");
  Serial.println((uint32_t)(si5351.plla_freq/100));
  Serial.println();

  // Use a button connected to pin 12 as a trigger
  pinMode(BUTTON, INPUT_PULLUP);

  pinMode(LED, OUTPUT);
}

void loop()
{
  // Debounce the button and trigger CLK1 output
  if(digitalRead(BUTTON) == LOW)
  {
    delay(100);   // delay to debounce
    if (digitalRead(BUTTON) == LOW)
    {
      if(state == 0)
      {
        state = 1;
        digitalWrite(LED, HIGH);
        uint8_t status;
        si5351.set_freq(1460000000ULL, SI5351_CLK0);
        //status = si5351.set_freq(1290000000ULL, SI5351_CLK0);
        status = si5351.set_freq(14345000000ULL, SI5351_CLK2);
        //status = si5351.set_freq(12300000000ULL, SI5351_CLK2);
        //Serial.print("Status:");
        //Serial.println(status);
        Serial.print("State:");
        Serial.println(state);
        Serial.print("CLK0:");
        Serial.println((uint32_t)(si5351.clk_freq[0]/100));
        Serial.print("CLK1:");
        Serial.println((uint32_t)(si5351.clk_freq[1]/100));
        Serial.print("CLK2:");
        Serial.println((uint32_t)(si5351.clk_freq[2]/100));
        Serial.print("PLLA:");
        Serial.println((uint32_t)(si5351.plla_freq/100));
        //Serial.print("PLL assignment:");
        //Serial.println(si5351.pll_assignment[2]);
        Serial.println();
      }
      else if(state == 1)
      {
        state = 2;
        digitalWrite(LED, LOW);
        uint8_t status;
        //status = si5351.set_freq(14345000000ULL, SI5351_CLK2);
        status = si5351.set_freq(12300000000ULL, SI5351_CLK2);
        //Serial.print("Status:");
        //Serial.println(status);
        Serial.print("State:");
        Serial.println(state);
        Serial.print("CLK0:");
        Serial.println((uint32_t)(si5351.clk_freq[0]/100));
        Serial.print("CLK1:");
        Serial.println((uint32_t)(si5351.clk_freq[1]/100));
        Serial.print("CLK2:");
        Serial.println((uint32_t)(si5351.clk_freq[2]/100));
        Serial.print("PLLA:");
        Serial.println((uint32_t)(si5351.plla_freq/100));
        Serial.println();
      }
      else if(state == 2)
      {
        state = 3;
        digitalWrite(LED, LOW);
        uint8_t status;
        si5351.set_freq(1410000ULL, SI5351_CLK2);
        status = si5351.set_freq(14650000000ULL, SI5351_CLK0);
        si5351.set_freq(10000000ULL, SI5351_CLK1);
        //Serial.print("Status:");
        //Serial.println(status);
        Serial.print("State:");
        Serial.println(state);
        Serial.print("CLK0:");
        Serial.println((uint32_t)(si5351.clk_freq[0]/100));
        Serial.print("CLK1:");
        Serial.println((uint32_t)(si5351.clk_freq[1]/100));
        Serial.print("CLK2:");
        Serial.println((uint32_t)(si5351.clk_freq[2]/100));
        Serial.print("PLLA:");
        Serial.println((uint32_t)(si5351.plla_freq/100));
        Serial.println();
      }
      else if(state == 3)
      {
        state = 4;
        si5351.reset();
        Serial.print("State:");
        Serial.println(state);
        Serial.print("CLK0:");
        Serial.println((uint32_t)(si5351.clk_freq[0]/100));
        Serial.print("CLK1:");
        Serial.println((uint32_t)(si5351.clk_freq[1]/100));
        Serial.print("CLK2:");
        Serial.println((uint32_t)(si5351.clk_freq[2]/100));
        Serial.print("PLLA:");
        Serial.println((uint32_t)(si5351.plla_freq/100));
        Serial.println();
      }
      else if(state == 4)
      {
        state = 0;
        digitalWrite(LED, LOW);
        uint8_t status;
        si5351.set_freq(1460000000ULL, SI5351_CLK0);
        si5351.set_freq(10000000ULL, SI5351_CLK1);
        si5351.set_freq(1410000ULL, SI5351_CLK2);
        //si5351.set_freq(14650000000ULL, SI5351_CLK0);
        //Serial.print("Status:");
        //Serial.println(status);
        Serial.print("State:");
        Serial.println(state);
        Serial.print("CLK0:");
        Serial.println((uint32_t)(si5351.clk_freq[0]/100));
        Serial.print("CLK1:");
        Serial.println((uint32_t)(si5351.clk_freq[1]/100));
        Serial.print("CLK2:");
        Serial.println((uint32_t)(si5351.clk_freq[2]/100));
        Serial.print("PLLA:");
        Serial.println((uint32_t)(si5351.plla_freq/100));
        Serial.println();
      }
    }
  }
}