148 lines
4.0 KiB
C++
148 lines
4.0 KiB
C++
//***********************************************************************************************************
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// Sample sketch that achieves the lowest power on a Moteino of ~6.5uA
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// Everything is put to sleep including the MCU, the radio (if any) and the FlashMem chip
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//**** SETTINGS *********************************************************************************************
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#define WITH_RFM69 //comment this line out if you don't have a RFM69 on your Moteino
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#define WITH_SPIFLASH //comment this line out if you don't have the FLASH-MEM chip on your Moteino
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//***********************************************************************************************************
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#include <LowPower.h> //get library from: https://github.com/lowpowerlab/lowpower
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//writeup here: http://www.rocketscream.com/blog/2011/07/04/lightweight-low-power-arduino-library/
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#if defined(WITH_RFM69) || defined(WITH_SPIFLASH)
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#include <SPI.h> //comes with Arduino IDE (www.arduino.cc)
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#if defined(WITH_RFM69)
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#include <RFM69.h> //get it here: https://www.github.com/lowpowerlab/rfm69
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RFM69 radio;
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#endif
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#if defined(WITH_SPIFLASH)
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#include <SPIFlash.h> //get it here: https://www.github.com/lowpowerlab/spiflash
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SPIFlash flash(SS_FLASHMEM, 0xEF30); //EF30 for 4mbit Windbond chip (W25X40CL)
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#endif
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#endif
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void setup () {
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#ifdef WITH_RFM69
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radio.initialize(RF69_915MHZ,2,100);
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radio.sleep();
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#endif
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#ifdef WITH_SPIFLASH
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if (flash.initialize())
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flash.sleep();
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#endif
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for (uint8_t i=0; i<=A5; i++)
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{
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#ifdef WITH_RFM69
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if (i == RF69_SPI_CS) continue;
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#endif
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#ifdef WITH_SPIFLASH
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if (i == SS_FLASHMEM) continue;
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#endif
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pinMode(i, OUTPUT);
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digitalWrite(i, LOW);
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}
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pinMode(0, OUTPUT);
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digitalWrite(0,HIGH);
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pinMode(1, OUTPUT);
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digitalWrite(1,HIGH);
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pinMode(LED_BUILTIN, OUTPUT);
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digitalWrite(LED_BUILTIN, HIGH);
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delay(20);
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digitalWrite(LED_BUILTIN, LOW);
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delay(20);
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digitalWrite(LED_BUILTIN, HIGH);
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delay(20);
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digitalWrite(LED_BUILTIN, LOW);
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delay(20);
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digitalWrite(LED_BUILTIN, HIGH);
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delay(20);
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digitalWrite(LED_BUILTIN, LOW);
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delay(20);
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Serial.begin(115200);
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}
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void longSleep(uint32_t sleepTime) {
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do {
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if (sleepTime > 8000)
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{
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LowPower.powerDown(SLEEP_8S, ADC_OFF, BOD_OFF);
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sleepTime-=8000;
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}
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else if (sleepTime > 4000)
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{
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LowPower.powerDown(SLEEP_4S, ADC_OFF, BOD_OFF);
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sleepTime-=4000;
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}
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else if (sleepTime > 2000)
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{
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LowPower.powerDown(SLEEP_2S, ADC_OFF, BOD_OFF);
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sleepTime-=2000;
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}
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else if (sleepTime > 1000)
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{
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LowPower.powerDown(SLEEP_1S, ADC_OFF, BOD_OFF);
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sleepTime-=1000;
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}
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else if (sleepTime > 512)
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{
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LowPower.powerDown(SLEEP_500MS, ADC_OFF, BOD_OFF);
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sleepTime-=512;
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}
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else if (sleepTime > 256)
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{
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LowPower.powerDown(SLEEP_250MS, ADC_OFF, BOD_OFF);
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sleepTime-=256;
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}
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else if (sleepTime > 128)
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{
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LowPower.powerDown(SLEEP_120MS, ADC_OFF, BOD_OFF);
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sleepTime-=128;
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}
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else if (sleepTime > 64)
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{
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LowPower.powerDown(SLEEP_60MS, ADC_OFF, BOD_OFF);
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sleepTime-=64;
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}
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else if (sleepTime > 32)
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{
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LowPower.powerDown(SLEEP_30MS, ADC_OFF, BOD_OFF);
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sleepTime-=32;
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}
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else if (sleepTime > 16)
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{
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LowPower.powerDown(SLEEP_15MS, ADC_OFF, BOD_OFF);
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sleepTime-=16;
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}
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else
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{
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sleepTime=0;
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}
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} while(sleepTime);
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}
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byte counter=0;
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void loop ()
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{
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/*
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//optional blink to know radio/flash sleeping went OK
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digitalWrite(LED_BUILTIN, HIGH);
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//LowPower.powerDown(SLEEP_30MS, ADC_OFF, BOD_OFF);
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Serial.print("LOOP");
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Serial.println(counter++);
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Serial.flush();
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digitalWrite(LED_BUILTIN, LOW);
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*/
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//sleep MCU for 2seconds
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digitalWrite(LED_BUILTIN, LOW);
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LowPower.powerDown(SLEEP_2S, ADC_OFF, BOD_OFF);
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//delay(1000);
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digitalWrite(LED_BUILTIN, HIGH);
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//LowPower.powerDown(SLEEP_FOREVER, ADC_OFF, BOD_OFF);
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delay(100);
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//sleep MCU for a custom # of millis
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//longSleep(3000);
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} |