new WeatherShield R2 example; add SPIFlash ci dep
This commit is contained in:
LowPowerLab
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@ -1,5 +1,5 @@
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// *************************************************************************************************************
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// SwitchMote sample sketch
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// SwitchMote sample sketch
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// *************************************************************************************************************
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// Handles the single 5A relay SwitchMote, as well as the dual 10A relay SwitchMote2x10A
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// https://lowpowerlab.com/switchmote
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@ -45,14 +45,14 @@
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#include <RFM69_OTA.h> //get it here: https://github.com/LowPowerLab/rfm69
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#include <SPIFlash.h> //get it here: http://github.com/lowpowerlab/spiflash
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#include <SPI.h> //comes with Arduino
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// **********************************************************************************
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//Auto Transmission Control - dials down transmit power to save battery (-100 is the noise floor, -90 is still pretty good)
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//For indoor nodes that are pretty static and at pretty stable temperatures (like a MotionMote) -90dBm is quite safe
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//For more variable nodes that can expect to move or experience larger temp drifts a lower margin like -70 to -80 would probably be better
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//Always test your ATC mote in the edge cases in your own environment to ensure ATC will perform as you expect
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#define ENABLE_ATC //comment out this line to disable AUTO TRANSMISSION CONTROL
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#define ATC_RSSI -75
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// **********************************************************************************
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#define GATEWAYID 1 //assumed 1 in general
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#define LED_RM 15 //digital pin for MIDDLE RED LED
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#define LED_GM 18 //digital pin for MIDDLE GREEN LED
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@ -1,10 +1,9 @@
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// **********************************************************************************************************
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// WeatherShield sketch that works with Moteinos equipped with RFM69W/RFM69HW/RFM69CW/RFM69HCW and WeatherShield R1 (Si7021+BMP180 sensors)
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// It sends periodic highly accurate weather readings (temp, hum, atm pressure) from the
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// WeatherShield to the base node/gateway Moteino
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// WeatherShield R2 (BME280 sensor) sameple sketch that works with Moteinos equipped with RFM69W/RFM69HW
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// It sends periodic weather readings (temp, hum, atm pressure) from WeatherShield to the base node Moteino
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// For use with MoteinoMEGA you will have to revisit the pin definitions defined below
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// http://www.LowPowerLab.com/WeatherShield
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// Used in this project: http://lowpowerlab.com/blog/2015/07/24/attic-fan-cooling-tests/
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// Example setup (with R1): http://lowpowerlab.com/blog/2015/07/24/attic-fan-cooling-tests/
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// **********************************************************************************
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// Copyright Felix Rusu 2016, http://www.LowPowerLab.com/contact
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// **********************************************************************************
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@ -29,34 +28,31 @@
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// and copyright notices in any redistribution of this code
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// **********************************************************************************
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#include <RFM69.h> //get it here: https://github.com/lowpowerlab/rfm69
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#include <RFM69_ATC.h> //get it here: https://github.com/lowpowerlab/RFM69
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#include <RFM69_OTA.h> //get it here: https://github.com/lowpowerlab/RFM69
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#include <RFM69_ATC.h> //get it here: https://github.com/lowpowerlab/rfm69
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#include <RFM69_OTA.h> //get it here: https://github.com/lowpowerlab/rfm69
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#include <SPIFlash.h> //get it here: https://github.com/lowpowerlab/spiflash
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#include <SPI.h> //included with Arduino IDE (www.arduino.cc)
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#include <Wire.h> //included with Arduino IDE (www.arduino.cc)
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#include <SFE_BMP180.h> //get it here: https://github.com/LowPowerLab/SFE_BMP180
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#include <SI7021.h> //get it here: https://github.com/LowPowerLab/SI7021
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#include <LowPower.h> //get library from: https://github.com/lowpowerlab/lowpower
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#include <SPI.h> //included in Arduino IDE (www.arduino.cc)
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#include <Wire.h> //included in Arduino IDE (www.arduino.cc)
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#include <SparkFunBME280.h>//get it here: https://github.com/sparkfun/SparkFun_BME280_Breakout_Board/tree/master/Libraries/Arduino/src
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#include <LowPower.h> //get it here: 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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//****************************************************************************************************************
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//**** IMPORTANT RADIO SETTINGS - YOU MUST CHANGE/CONFIGURE TO MATCH YOUR HARDWARE TRANSCEIVER CONFIGURATION! ****
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//****************************************************************************************************************
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//*********************************************************************************************
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//************ IMPORTANT SETTINGS - YOU MUST CHANGE/CONFIGURE TO FIT YOUR HARDWARE ************
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//*********************************************************************************************
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#define GATEWAYID 1
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#define NODEID 164
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#define NODEID 40
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#define NETWORKID 100
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//#define FREQUENCY RF69_433MHZ
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//#define FREQUENCY RF69_868MHZ
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#define FREQUENCY RF69_915MHZ //Match this with the version of your Moteino! (others: RF69_433MHZ, RF69_868MHZ)
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#define ENCRYPTKEY "sampleEncryptKey" //has to be same 16 characters/bytes on all nodes, not more not less!
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//#define IS_RFM69HW //uncomment only for RFM69HW! Leave out if you have RFM69W!
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//*****************************************************************************************************************************
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#define ENABLE_ATC //comment out this line to disable AUTO TRANSMISSION CONTROL
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#define ATC_RSSI -75
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//*****************************************************************************************************************************
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#define SEND_LOOPS 15 //send data this many sleep loops (15 loops of 8sec cycles = 120sec ~ 2 minutes)
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//*********************************************************************************************
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#define ENABLE_ATC //comment out this line to disable AUTO TRANSMISSION CONTROL
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#define ATC_RSSI -75
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//*********************************************************************************************
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#define SEND_LOOPS 15 //send data this many sleep loops (15 loops of 8sec cycles = 120sec ~ 2 minutes)
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#define SLEEP_FASTEST SLEEP_15MS
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#define SLEEP_FAST SLEEP_250MS
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#define SLEEP_SEC SLEEP_1S
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@ -72,9 +68,17 @@ period_t sleepTime = SLEEP_LONGEST; //period_t is an enum type defined in the Lo
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#define BATT_LOW 3.6 //(volts)
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#define BATT_READ_LOOPS SEND_LOOPS*10 // read and report battery voltage every this many sleep cycles (ex 30cycles * 8sec sleep = 240sec/4min). For 450 cycles you would get ~1 hour intervals between readings
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//*****************************************************************************************************************************
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#define LED 9 //pin connected to onboard LED on regular Moteinos
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#ifdef __AVR_ATmega1284P__
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#define LED 15 // Moteino MEGAs have LEDs on D15
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#define FLASH_SS 23 // and FLASH SS on D23
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#else
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#define LED 9 // Moteinos have LEDs on D9
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#define FLASH_SS 8 // and FLASH SS on D8
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#endif
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//#define BLINK_EN //uncomment to blink LED on every send
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#define SERIAL_EN //comment out if you don't want any serial output
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//#define SERIAL_EN //comment out if you don't want any serial output
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#ifdef SERIAL_EN
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#define SERIAL_BAUD 115200
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@ -88,24 +92,20 @@ period_t sleepTime = SLEEP_LONGEST; //period_t is an enum type defined in the Lo
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#endif
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//*****************************************************************************************************************************
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//global program variables
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SI7021 weatherShield_SI7021;
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SFE_BMP180 weatherShield_BMP180;
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char Pstr[10];
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char buffer[50];
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#ifdef ENABLE_ATC
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RFM69_ATC radio;
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#else
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RFM69 radio;
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#endif
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//*****************************************************************************************************************************
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// flash(SPI_CS, MANUFACTURER_ID)
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// SPI_CS - CS pin attached to SPI flash chip (8 in case of Moteino)
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// MANUFACTURER_ID - OPTIONAL, 0xEF30 for windbond 4mbit flash (Moteino OEM)
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//*****************************************************************************************************************************
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SPIFlash flash(8, 0xEF30); //WINDBOND 4MBIT flash chip on CS pin D8 (default for Moteino)
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SPIFlash flash(FLASH_SS, 0xEF30); //WINDBOND 4MBIT flash chip on CS pin D8 (default for Moteino)
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BME280 bme280;
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char Pstr[10];
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char Fstr[10];
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char Hstr[10];
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char buffer[50];
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void setup(void)
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{
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#ifdef SERIAL_EN
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@ -119,6 +119,10 @@ void setup(void)
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#endif
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radio.encrypt(ENCRYPTKEY);
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//Auto Transmission Control - dials down transmit power to save battery (-100 is the noise floor, -90 is still pretty good)
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//For indoor nodes that are pretty static and at pretty stable temperatures (like a MotionMote) -90dBm is quite safe
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//For more variable nodes that can expect to move or experience larger temp drifts a lower margin like -70 to -80 would probably be better
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//Always test your ATC mote in the edge cases in your own environment to ensure ATC will perform as you expect
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#ifdef ENABLE_ATC
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radio.enableAutoPower(ATC_RSSI);
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#endif
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@ -126,14 +130,28 @@ void setup(void)
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sprintf(buffer, "WeatherMote - transmitting at: %d Mhz...", FREQUENCY==RF69_433MHZ ? 433 : FREQUENCY==RF69_868MHZ ? 868 : 915);
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DEBUGln(buffer);
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//initialize weather shield sensors
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weatherShield_SI7021.begin();
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if (weatherShield_BMP180.begin())
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{ DEBUGln("BMP180 init success"); }
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else { DEBUGln("BMP180 init fail\n"); }
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//initialize weather shield BME280 sensor
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bme280.settings.commInterface = I2C_MODE;
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bme280.settings.I2CAddress = 0x77;
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bme280.settings.runMode = 3; //Normal mode
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bme280.settings.tStandby = 0;
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bme280.settings.filter = 0;
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bme280.settings.tempOverSample = 1;
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bme280.settings.pressOverSample = 1;
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bme280.settings.humidOverSample = 1;
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radio.sendWithRetry(GATEWAYID, "START", 6);
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Blink(LED, 100);Blink(LED, 100);Blink(LED, 100);
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if (flash.initialize()) flash.sleep();
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for (uint8_t i=0; i<=A5; i++)
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{
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if (i == RF69_SPI_CS) continue;
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if (i == FLASH_SS) continue;
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pinMode(i, OUTPUT);
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digitalWrite(i, LOW);
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}
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SERIALFLUSH();
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readBattery();
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unsigned long doorPulseCount = 0;
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char input=0;
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double P;
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double F,P,H;
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byte sendLoops=0;
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byte battReadLoops=0;
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float batteryVolts = 5;
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if (sendLoops--<=0) //send readings every SEND_LOOPS
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{
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sendLoops = SEND_LOOPS-1;
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P = getPressure();
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P*=0.0295333727; //transform to inHg
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//read BME sensor
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bme280.begin();
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P = bme280.readFloatPressure() * 0.0002953; //read Pa and convert to inHg
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F = bme280.readTempF();
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H = bme280.readFloatHumidity();
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bme280.writeRegister(BME280_CTRL_MEAS_REG, 0x00); //sleep the BME280
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dtostrf(F, 3,2, Fstr);
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dtostrf(H, 3,2, Hstr);
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dtostrf(P, 3,2, Pstr);
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sprintf(buffer, "BAT:%sv F:%d H:%d P:%s", BATstr, weatherShield_SI7021.getFahrenheitHundredths(), weatherShield_SI7021.getHumidityPercent(), Pstr);
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sprintf(buffer, "BAT:%sv F:%d H:%d P:%s", BATstr, Fstr, Hstr, Pstr);
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sendLen = strlen(buffer);
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radio.sendWithRetry(GATEWAYID, buffer, sendLen, 1); //retry one time
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for (byte i = 0; i < radio.DATALEN; i++)
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DEBUG((char)radio.DATA[i]);
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flash.wakeup();
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// wireless programming token check - this only works when radio is kept awake to listen for WP tokens
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CheckForWirelessHEX(radio, flash, true);
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@ -197,63 +225,12 @@ void loop()
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}
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SERIALFLUSH();
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flash.sleep();
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radio.sleep(); //you can comment out this line if you want this node to listen for wireless programming requests
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LowPower.powerDown(sleepTime, ADC_OFF, BOD_OFF);
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DEBUGln("WAKEUP");
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}
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double getPressure()
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{
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char status;
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double T,P,p0,a;
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// If you want sea-level-compensated pressure, as used in weather reports,
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// you will need to know the altitude at which your measurements are taken.
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// We're using a constant called ALTITUDE in this sketch:
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// If you want to measure altitude, and not pressure, you will instead need
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// to provide a known baseline pressure. This is shown at the end of the sketch.
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// You must first get a temperature measurement to perform a pressure reading.
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// Start a temperature measurement:
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// If request is successful, the number of ms to wait is returned.
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// If request is unsuccessful, 0 is returned.
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status = weatherShield_BMP180.startTemperature();
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if (status != 0)
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{
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// Wait for the measurement to complete:
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delay(status);
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// Retrieve the completed temperature measurement:
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// Note that the measurement is stored in the variable T.
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// Function returns 1 if successful, 0 if failure.
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status = weatherShield_BMP180.getTemperature(T);
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if (status != 0)
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{
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// Start a pressure measurement:
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// The parameter is the oversampling setting, from 0 to 3 (highest res, longest wait).
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// If request is successful, the number of ms to wait is returned.
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// If request is unsuccessful, 0 is returned.
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status = weatherShield_BMP180.startPressure(3);
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if (status != 0)
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{
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// Wait for the measurement to complete:
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delay(status);
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// Retrieve the completed pressure measurement:
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// Note that the measurement is stored in the variable P.
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// Note also that the function requires the previous temperature measurement (T).
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// (If temperature is stable, you can do one temperature measurement for a number of pressure measurements.)
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// Function returns 1 if successful, 0 if failure.
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status = weatherShield_BMP180.getPressure(P,T);
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if (status != 0)
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{
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return P;
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}
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}
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}
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}
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return 0;
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}
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void readBattery()
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{
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unsigned int readings=0;
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@ -280,4 +257,4 @@ void Blink(byte PIN, byte DELAY_MS)
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delay(DELAY_MS/2);
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digitalWrite(PIN,LOW);
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delay(DELAY_MS/2);
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}
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}
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@ -0,0 +1,283 @@
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// **********************************************************************************************************
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// WeatherShield sketch that works with Moteinos equipped with RFM69W/RFM69HW/RFM69CW/RFM69HCW and WeatherShield R1 (Si7021+BMP180 sensors)
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// It sends periodic highly accurate weather readings (temp, hum, atm pressure) from the
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// WeatherShield to the base node/gateway Moteino
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// For use with MoteinoMEGA you will have to revisit the pin definitions defined below
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// http://www.LowPowerLab.com/WeatherShield
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// Used in this project: http://lowpowerlab.com/blog/2015/07/24/attic-fan-cooling-tests/
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// **********************************************************************************
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// Copyright Felix Rusu 2016, http://www.LowPowerLab.com/contact
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// **********************************************************************************
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// License
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// **********************************************************************************
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// This program is free software; you can redistribute it
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// and/or modify it under the terms of the GNU General
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// Public License as published by the Free Software
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// Foundation; either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will
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// be useful, but WITHOUT ANY WARRANTY; without even the
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// implied warranty of MERCHANTABILITY or FITNESS FOR A
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// PARTICULAR PURPOSE. See the GNU General Public
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// License for more details.
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//
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// Licence can be viewed at
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// http://www.gnu.org/licenses/gpl-3.0.txt
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//
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// Please maintain this license information along with authorship
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// and copyright notices in any redistribution of this code
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// **********************************************************************************
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#include <RFM69.h> //get it here: https://github.com/lowpowerlab/rfm69
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#include <RFM69_ATC.h> //get it here: https://github.com/lowpowerlab/RFM69
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#include <RFM69_OTA.h> //get it here: https://github.com/lowpowerlab/RFM69
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#include <SPIFlash.h> //get it here: https://github.com/lowpowerlab/spiflash
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#include <SPI.h> //included with Arduino IDE (www.arduino.cc)
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#include <Wire.h> //included with Arduino IDE (www.arduino.cc)
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#include <SFE_BMP180.h> //get it here: https://github.com/LowPowerLab/SFE_BMP180
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#include <SI7021.h> //get it here: https://github.com/LowPowerLab/SI7021
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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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||||
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||||
//****************************************************************************************************************
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//**** IMPORTANT RADIO SETTINGS - YOU MUST CHANGE/CONFIGURE TO MATCH YOUR HARDWARE TRANSCEIVER CONFIGURATION! ****
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//****************************************************************************************************************
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#define GATEWAYID 1
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#define NODEID 164
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#define NETWORKID 100
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//#define FREQUENCY RF69_433MHZ
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//#define FREQUENCY RF69_868MHZ
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#define FREQUENCY RF69_915MHZ //Match this with the version of your Moteino! (others: RF69_433MHZ, RF69_868MHZ)
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#define ENCRYPTKEY "sampleEncryptKey" //has to be same 16 characters/bytes on all nodes, not more not less!
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//#define IS_RFM69HW //uncomment only for RFM69HW! Leave out if you have RFM69W!
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//*****************************************************************************************************************************
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#define ENABLE_ATC //comment out this line to disable AUTO TRANSMISSION CONTROL
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#define ATC_RSSI -75
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//*****************************************************************************************************************************
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#define SEND_LOOPS 15 //send data this many sleep loops (15 loops of 8sec cycles = 120sec ~ 2 minutes)
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//*********************************************************************************************
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#define SLEEP_FASTEST SLEEP_15MS
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#define SLEEP_FAST SLEEP_250MS
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#define SLEEP_SEC SLEEP_1S
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#define SLEEP_LONG SLEEP_2S
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#define SLEEP_LONGER SLEEP_4S
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#define SLEEP_LONGEST SLEEP_8S
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period_t sleepTime = SLEEP_LONGEST; //period_t is an enum type defined in the LowPower library (LowPower.h)
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//*********************************************************************************************
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#define BATT_MONITOR_EN A3 //enables battery voltage divider to get a reading from a battery, disable it to save power
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#define BATT_MONITOR A7 //through 1Meg+470Kohm and 0.1uF cap from battery VCC - this ratio divides the voltage to bring it below 3.3V where it is scaled to a readable range
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#define BATT_CYCLES 2 //read and report battery voltage every this many sleep cycles (ex 30cycles * 8sec sleep = 240sec/4min). For 450 cyclesyou would get ~1 hour intervals
|
||||
#define BATT_FORMULA(reading) reading * 0.00322 * 1.475 // >>> fine tune this parameter to match your voltage when fully charged
|
||||
#define BATT_LOW 3.6 //(volts)
|
||||
#define BATT_READ_LOOPS SEND_LOOPS*10 // read and report battery voltage every this many sleep cycles (ex 30cycles * 8sec sleep = 240sec/4min). For 450 cycles you would get ~1 hour intervals between readings
|
||||
//*****************************************************************************************************************************
|
||||
#define LED 9 //pin connected to onboard LED on regular Moteinos
|
||||
//#define BLINK_EN //uncomment to blink LED on every send
|
||||
#define SERIAL_EN //comment out if you don't want any serial output
|
||||
|
||||
#ifdef SERIAL_EN
|
||||
#define SERIAL_BAUD 115200
|
||||
#define DEBUG(input) {Serial.print(input);}
|
||||
#define DEBUGln(input) {Serial.println(input);}
|
||||
#define SERIALFLUSH() {Serial.flush();}
|
||||
#else
|
||||
#define DEBUG(input);
|
||||
#define DEBUGln(input);
|
||||
#define SERIALFLUSH();
|
||||
#endif
|
||||
//*****************************************************************************************************************************
|
||||
|
||||
//global program variables
|
||||
SI7021 weatherShield_SI7021;
|
||||
SFE_BMP180 weatherShield_BMP180;
|
||||
char Pstr[10];
|
||||
char buffer[50];
|
||||
|
||||
#ifdef ENABLE_ATC
|
||||
RFM69_ATC radio;
|
||||
#else
|
||||
RFM69 radio;
|
||||
#endif
|
||||
//*****************************************************************************************************************************
|
||||
// flash(SPI_CS, MANUFACTURER_ID)
|
||||
// SPI_CS - CS pin attached to SPI flash chip (8 in case of Moteino)
|
||||
// MANUFACTURER_ID - OPTIONAL, 0xEF30 for windbond 4mbit flash (Moteino OEM)
|
||||
//*****************************************************************************************************************************
|
||||
SPIFlash flash(8, 0xEF30); //WINDBOND 4MBIT flash chip on CS pin D8 (default for Moteino)
|
||||
|
||||
void setup(void)
|
||||
{
|
||||
#ifdef SERIAL_EN
|
||||
Serial.begin(SERIAL_BAUD);
|
||||
#endif
|
||||
pinMode(LED, OUTPUT);
|
||||
|
||||
radio.initialize(FREQUENCY,NODEID,NETWORKID);
|
||||
#ifdef IS_RFM69HW
|
||||
radio.setHighPower(); //uncomment only for RFM69HW!
|
||||
#endif
|
||||
radio.encrypt(ENCRYPTKEY);
|
||||
|
||||
#ifdef ENABLE_ATC
|
||||
radio.enableAutoPower(ATC_RSSI);
|
||||
#endif
|
||||
|
||||
sprintf(buffer, "WeatherMote - transmitting at: %d Mhz...", FREQUENCY==RF69_433MHZ ? 433 : FREQUENCY==RF69_868MHZ ? 868 : 915);
|
||||
DEBUGln(buffer);
|
||||
|
||||
//initialize weather shield sensors
|
||||
weatherShield_SI7021.begin();
|
||||
if (weatherShield_BMP180.begin())
|
||||
{ DEBUGln("BMP180 init success"); }
|
||||
else { DEBUGln("BMP180 init fail\n"); }
|
||||
|
||||
radio.sendWithRetry(GATEWAYID, "START", 6);
|
||||
Blink(LED, 100);Blink(LED, 100);Blink(LED, 100);
|
||||
|
||||
SERIALFLUSH();
|
||||
readBattery();
|
||||
}
|
||||
|
||||
unsigned long doorPulseCount = 0;
|
||||
char input=0;
|
||||
double P;
|
||||
byte sendLoops=0;
|
||||
byte battReadLoops=0;
|
||||
float batteryVolts = 5;
|
||||
char* BATstr="BAT:5.00v"; //longest battery voltage reading message = 9chars
|
||||
byte sendLen;
|
||||
|
||||
void loop()
|
||||
{
|
||||
if (battReadLoops--<=0) //only read battery every BATT_READ_LOOPS cycles
|
||||
{
|
||||
readBattery();
|
||||
battReadLoops = BATT_READ_LOOPS-1;
|
||||
}
|
||||
|
||||
if (sendLoops--<=0) //send readings every SEND_LOOPS
|
||||
{
|
||||
sendLoops = SEND_LOOPS-1;
|
||||
P = getPressure();
|
||||
P*=0.0295333727; //transform to inHg
|
||||
dtostrf(P, 3,2, Pstr);
|
||||
sprintf(buffer, "BAT:%sv F:%d H:%d P:%s", BATstr, weatherShield_SI7021.getFahrenheitHundredths(), weatherShield_SI7021.getHumidityPercent(), Pstr);
|
||||
|
||||
sendLen = strlen(buffer);
|
||||
radio.sendWithRetry(GATEWAYID, buffer, sendLen, 1); //retry one time
|
||||
DEBUG(buffer); DEBUG(" (packet length:"); DEBUG(sendLen); DEBUGln(")");
|
||||
|
||||
#ifdef BLINK_EN
|
||||
Blink(LED, 5);
|
||||
#endif
|
||||
}
|
||||
|
||||
//When this sketch is on a node where you can afford the power to keep the radio awake all the time
|
||||
// you can make it receive messages and also make it wirelessly programmable
|
||||
// otherwise this section can be removed
|
||||
if (radio.receiveDone())
|
||||
{
|
||||
boolean reportStatusRequest=false;
|
||||
DEBUG('[');DEBUG(radio.SENDERID);DEBUG("] ");
|
||||
for (byte i = 0; i < radio.DATALEN; i++)
|
||||
DEBUG((char)radio.DATA[i]);
|
||||
|
||||
// wireless programming token check - this only works when radio is kept awake to listen for WP tokens
|
||||
CheckForWirelessHEX(radio, flash, true);
|
||||
|
||||
//first send any ACK to request
|
||||
DEBUG(" [RX_RSSI:");DEBUG(radio.RSSI);DEBUG("]");
|
||||
if (radio.ACKRequested())
|
||||
{
|
||||
radio.sendACK();
|
||||
DEBUG(" - ACK sent.");
|
||||
}
|
||||
DEBUGln();
|
||||
}
|
||||
|
||||
SERIALFLUSH();
|
||||
radio.sleep(); //you can comment out this line if you want this node to listen for wireless programming requests
|
||||
LowPower.powerDown(sleepTime, ADC_OFF, BOD_OFF);
|
||||
DEBUGln("WAKEUP");
|
||||
}
|
||||
|
||||
double getPressure()
|
||||
{
|
||||
char status;
|
||||
double T,P,p0,a;
|
||||
// If you want sea-level-compensated pressure, as used in weather reports,
|
||||
// you will need to know the altitude at which your measurements are taken.
|
||||
// We're using a constant called ALTITUDE in this sketch:
|
||||
|
||||
// If you want to measure altitude, and not pressure, you will instead need
|
||||
// to provide a known baseline pressure. This is shown at the end of the sketch.
|
||||
// You must first get a temperature measurement to perform a pressure reading.
|
||||
// Start a temperature measurement:
|
||||
// If request is successful, the number of ms to wait is returned.
|
||||
// If request is unsuccessful, 0 is returned.
|
||||
status = weatherShield_BMP180.startTemperature();
|
||||
if (status != 0)
|
||||
{
|
||||
// Wait for the measurement to complete:
|
||||
delay(status);
|
||||
|
||||
// Retrieve the completed temperature measurement:
|
||||
// Note that the measurement is stored in the variable T.
|
||||
// Function returns 1 if successful, 0 if failure.
|
||||
status = weatherShield_BMP180.getTemperature(T);
|
||||
if (status != 0)
|
||||
{
|
||||
// Start a pressure measurement:
|
||||
// The parameter is the oversampling setting, from 0 to 3 (highest res, longest wait).
|
||||
// If request is successful, the number of ms to wait is returned.
|
||||
// If request is unsuccessful, 0 is returned.
|
||||
status = weatherShield_BMP180.startPressure(3);
|
||||
if (status != 0)
|
||||
{
|
||||
// Wait for the measurement to complete:
|
||||
delay(status);
|
||||
|
||||
// Retrieve the completed pressure measurement:
|
||||
// Note that the measurement is stored in the variable P.
|
||||
// Note also that the function requires the previous temperature measurement (T).
|
||||
// (If temperature is stable, you can do one temperature measurement for a number of pressure measurements.)
|
||||
// Function returns 1 if successful, 0 if failure.
|
||||
status = weatherShield_BMP180.getPressure(P,T);
|
||||
if (status != 0)
|
||||
{
|
||||
return P;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
void readBattery()
|
||||
{
|
||||
unsigned int readings=0;
|
||||
|
||||
//enable battery monitor on WeatherShield (via mosfet controlled by A3)
|
||||
pinMode(BATT_MONITOR_EN, OUTPUT);
|
||||
digitalWrite(BATT_MONITOR_EN, LOW);
|
||||
|
||||
for (byte i=0; i<5; i++) //take several samples, and average
|
||||
readings+=analogRead(BATT_MONITOR);
|
||||
|
||||
//disable battery monitor
|
||||
pinMode(BATT_MONITOR_EN, INPUT); //highZ mode will allow p-mosfet to be pulled high and disconnect the voltage divider on the weather shield
|
||||
|
||||
batteryVolts = BATT_FORMULA(readings / 5.0);
|
||||
dtostrf(batteryVolts,3,2, BATstr); //update the BATStr which gets sent every BATT_CYCLES or along with the MOTION message
|
||||
if (batteryVolts <= BATT_LOW) BATstr = "LOW";
|
||||
}
|
||||
|
||||
void Blink(byte PIN, byte DELAY_MS)
|
||||
{
|
||||
pinMode(PIN, OUTPUT);
|
||||
digitalWrite(PIN,HIGH);
|
||||
delay(DELAY_MS/2);
|
||||
digitalWrite(PIN,LOW);
|
||||
delay(DELAY_MS/2);
|
||||
}
|
||||
10
library.json
10
library.json
|
|
@ -8,5 +8,11 @@
|
|||
"url": "https://github.com/LowPowerLab/RFM69.git"
|
||||
},
|
||||
"frameworks": "arduino",
|
||||
"platforms": "atmelavr"
|
||||
}
|
||||
"platforms": "atmelavr",
|
||||
"dependencies":
|
||||
[
|
||||
{
|
||||
"name": "SPIFlash"
|
||||
}
|
||||
]
|
||||
}
|
||||
Loading…
Reference in New Issue