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Updated to new BME280 lib

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LukaGitH 2018-05-01 18:09:23 +02:00 committed by GitHub
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1 changed files with 19 additions and 14 deletions
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31
Examples/WeatherNode/WeatherNode.ino
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@ -5,7 +5,7 @@
// http://www.LowPowerLab.com/WeatherShield
// Example setup (with R1): http://lowpowerlab.com/blog/2015/07/24/attic-fan-cooling-tests/
// **********************************************************************************
// Copyright Felix Rusu 2016, http://www.LowPowerLab.com/contact
// Copyright Felix Rusu 2018, http://www.LowPowerLab.com/contact
// **********************************************************************************
// License
// **********************************************************************************
@ -33,7 +33,7 @@
#include <SPIFlash.h> //get it here: https://github.com/lowpowerlab/spiflash
#include <SPI.h> //included in Arduino IDE (www.arduino.cc)
#include <Wire.h> //included in Arduino IDE (www.arduino.cc)
#include <SparkFunBME280.h>//get it here: https://github.com/sparkfun/SparkFun_BME280_Breakout_Board/tree/master/Libraries/Arduino/src
#include <SparkFunBME280.h>//get it here: https://github.com/sparkfun/SparkFun_BME280_Arduino_Library/tree/master/src
#include <LowPower.h> //get it here: https://github.com/lowpowerlab/lowpower
//writeup here: http://www.rocketscream.com/blog/2011/07/04/lightweight-low-power-arduino-library/
@ -104,6 +104,7 @@ BME280 bme280;
char Pstr[10];
char Fstr[10];
char Hstr[10];
double F,P,H;
char buffer[50];
void setup(void)
@ -130,15 +131,21 @@ void setup(void)
sprintf(buffer, "WeatherMote - transmitting at: %d Mhz...", FREQUENCY==RF69_433MHZ ? 433 : FREQUENCY==RF69_868MHZ ? 868 : 915);
DEBUGln(buffer);
Wire.begin();
Wire.setClock(400000); //Increase to fast I2C speed!
//initialize weather shield BME280 sensor
bme280.settings.commInterface = I2C_MODE;
bme280.settings.I2CAddress = 0x77;
bme280.settings.runMode = 3; //Normal mode
bme280.settings.tStandby = 0;
bme280.settings.filter = 0;
bme280.settings.tempOverSample = 1;
bme280.settings.pressOverSample = 1;
bme280.settings.humidOverSample = 1;
bme280.setI2CAddress(0x77); //0x76,0x77 is valid.
bme280.beginI2C();
bme280.setMode(MODE_SLEEP); //MODE_SLEEP, MODE_FORCED, MODE_NORMAL is valid. See 3.3
bme280.setStandbyTime(0); //0 to 7 valid. Time between readings. See table 27.
bme280.setFilter(0); //0 to 4 is valid. Filter coefficient. See 3.4.4
bme280.setTempOverSample(1); //0 to 16 are valid. 0 disables temp sensing. See table 24.
bme280.setPressureOverSample(1); //0 to 16 are valid. 0 disables pressure sensing. See table 23.
bme280.setHumidityOverSample(1); //0 to 16 are valid. 0 disables humidity sensing. See table 19.
P = bme280.readFloatPressure() * 0.0002953; //read Pa and convert to inHg
F = bme280.readTempF();
H = bme280.readFloatHumidity();
radio.sendWithRetry(GATEWAYID, "START", 6);
Blink(LED, 100);Blink(LED, 100);Blink(LED, 100);
@ -159,7 +166,6 @@ void setup(void)
unsigned long doorPulseCount = 0;
char input=0;
double F,P,H;
byte sendLoops=0;
byte battReadLoops=0;
float batteryVolts = 5;
@ -179,11 +185,10 @@ void loop()
sendLoops = SEND_LOOPS-1;
//read BME sensor
bme280.begin();
bme280.setMode(MODE_FORCED); //Wake up sensor and take reading
P = bme280.readFloatPressure() * 0.0002953; //read Pa and convert to inHg
F = bme280.readTempF();
H = bme280.readFloatHumidity();
bme280.writeRegister(BME280_CTRL_MEAS_REG, 0x00); //sleep the BME280
dtostrf(F, 3,2, Fstr);
dtostrf(H, 3,2, Hstr);