dwblair

dwblair

    #include <SPI.h>
    #include <SD.h>

    // Set the pins used
    #define cardSelect 4
    #define switchPin 12

    File logfile;
    bool stopPin = true;

dwblair

long pulseCount = 0;  //a pulse counter variable

unsigned long pulseTime,lastTime, duration, totalDuration;

int samplingPeriod=4; // the number of seconds to measure 555 oscillations

int fivefivefive = 13; // the pin that powers the 555 subcircuit

void setup()
{

dwblair

#include "LowPower.h"         //https://github.com/rocketscream/Low-Power
#include <Wire.h>
#include <SPI.h>
#include <DS3232RTC.h>        //http://github.com/JChristensen/DS3232RTC
#include<stdlib.h>
#include <SD.h>
#include <Time.h>  

//sleeping stuff
#define sleep_intervals 1

dwblair

// Output 20kHz PWM on timer TCC0 (8-bit resolution)
void setup()
{
  REG_GCLK_GENDIV = GCLK_GENDIV_DIV(3) |          // Divide the 48MHz clock source by divisor 3: 48MHz/3=16MHz
                    GCLK_GENDIV_ID(4);            // Select Generic Clock (GCLK) 4
  while (GCLK->STATUS.bit.SYNCBUSY);              // Wait for synchronization

  REG_GCLK_GENCTRL = GCLK_GENCTRL_IDC |           // Set the duty cycle to 50/50 HIGH/LOW
                     GCLK_GENCTRL_GENEN |         // Enable GCLK4
                     GCLK_GENCTRL_SRC_DFLL48M |   // Set the 48MHz clock source

dwblair

    #include <SPI.h>
    #include <SD.h>

    // Set the pins used
    #define cardSelect 4
    #define switchPin 12

    File logfile;
    bool stopPin = true;

dwblair

    #include <SPI.h>
    #include <SD.h>

    // Set the pins used
    #define cardSelect 4
    #define switchPin 12

    File logfile;
    bool stopPin = true;

dwblair

// Demo Code for SerialCommand Library
// Craig Versek, Jan 2014
// based on code from Steven Cogswell, May 2011

#include <SerialCommand.h>
#include <RTCZero.h>

#define arduinoLED 13   // Arduino LED on board

SerialCommand sCmd(Serial);         // The demo SerialCommand object, initialize with any Stream object

dwblair

/*
  Simple RTC Alarm for Adafruit Feather M0 modified
  with repeated serial output each time the board wakes
  By: CaveMoa
  Date: 30/12/15
*/
//#define Serial SerialUSB
#include <RTCZero.h>

dwblair

    #include <SPI.h>
    #include <SD.h>

    // Set the pins used
    #define cardSelect 4
    #define switchPin 12

    File logfile;
    bool stopPin = true;