Permalink
Find file Copy path
8e2fc29 Aug 2, 2016
1 contributor

Users who have contributed to this file

66 lines (57 sloc) 2.18 KB
//***********************************************************************************************************
// Sample sketch that achieves the lowest power on a Moteino of ~6.5uA
// Everything is put to sleep including the MCU, the radio (if any) and the FlashMem chip
//**** SETTINGS *********************************************************************************************
#define WITH_RFM69 //comment this line out if you don't have a RFM69 on your Moteino
#define WITH_SPIFLASH //comment this line out if you don't have the FLASH-MEM chip on your Moteino
//***********************************************************************************************************
#include <LowPower.h> //get library from: https://github.com/lowpowerlab/lowpower
//writeup here: http://www.rocketscream.com/blog/2011/07/04/lightweight-low-power-arduino-library/
#ifdef __AVR_ATmega1284P__
#define LED 15 // Moteino MEGAs have LEDs on D15
#define FLASH_SS 23 // and FLASH SS on D23
#else
#define LED 9 // Moteinos have LEDs on D9
#define FLASH_SS 8 // and FLASH SS on D8
#endif
#if defined(WITH_RFM69) || defined(WITH_SPIFLASH)
#include <SPI.h> //comes with Arduino IDE (www.arduino.cc)
#if defined(WITH_RFM69)
#include <RFM69.h> //get it here: https://www.github.com/lowpowerlab/rfm69
RFM69 radio;
#endif
#if defined(WITH_SPIFLASH)
#include <SPIFlash.h> //get it here: https://www.github.com/lowpowerlab/spiflash
SPIFlash flash(FLASH_SS, 0xEF30); //EF30 for 4mbit Windbond chip (W25X40CL)
#endif
#endif
void setup () {
#ifdef WITH_RFM69
radio.sleep();
#endif
#ifdef WITH_SPIFLASH
if (flash.initialize())
flash.sleep();
#endif
for (uint8_t i=0; i<=A5; i++)
{
#ifdef WITH_RFM69
if (i == RF69_SPI_CS) continue;
#endif
#ifdef WITH_SPIFLASH
if (i == FLASH_SS) continue;
#endif
pinMode(i, OUTPUT);
digitalWrite(i, LOW);
}
}
void loop ()
{
//optional blink to know radio/flash sleeping went OK
pinMode(LED, OUTPUT);
digitalWrite(LED, HIGH);
delay(30);
digitalWrite(LED, LOW);
//sleep MCU for 8seconds
LowPower.powerDown(SLEEP_8S, ADC_OFF, BOD_OFF);
}