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package main
import (
"github.com/d2r2/go-bsbmp"
"github.com/d2r2/go-i2c"
logger "github.com/d2r2/go-logger"
)
var lg = logger.NewPackageLogger("main",
logger.DebugLevel,
// logger.InfoLevel,
)
func main() {
defer logger.FinalizeLogger()
// Create new connection to i2c-bus on 1 line with address 0x76.
// Use i2cdetect utility to find device address over the i2c-bus
i2c, err := i2c.NewI2C(0x76, 0)
if err != nil {
lg.Fatal(err)
}
defer i2c.Close()
lg.Notify("***************************************************************************************************")
lg.Notify("*** You can change verbosity of output, to modify logging level of modules \"i2c\", \"bsbmp\"")
lg.Notify("*** Uncomment/comment corresponding lines with call to ChangePackageLogLevel(...)")
lg.Notify("***************************************************************************************************")
// Uncomment/comment next lines to suppress/increase verbosity of output
logger.ChangePackageLogLevel("i2c", logger.InfoLevel)
logger.ChangePackageLogLevel("bsbmp", logger.InfoLevel)
// sensor, err := bsbmp.NewBMP(bsbmp.BMP180, i2c) // signature=0x55
sensor, err := bsbmp.NewBMP(bsbmp.BMP280, i2c) // signature=0x58
// sensor, err := bsbmp.NewBMP(bsbmp.BME280, i2c) // signature=0x60
// sensor, err := bsbmp.NewBMP(bsbmp.BMP388, i2c) // signature=0x50
if err != nil {
lg.Fatal(err)
}
id, err := sensor.ReadSensorID()
if err != nil {
lg.Fatal(err)
}
lg.Infof("This Bosch Sensortec sensor has signature: 0x%x", id)
err = sensor.IsValidCoefficients()
if err != nil {
lg.Fatal(err)
}
// Read temperature in celsius degree
t, err := sensor.ReadTemperatureC(bsbmp.ACCURACY_STANDARD)
if err != nil {
lg.Fatal(err)
}
lg.Infof("Temprature = %v*C", t)
// Read atmospheric pressure in pascal
p, err := sensor.ReadPressurePa(bsbmp.ACCURACY_LOW)
if err != nil {
lg.Fatal(err)
}
lg.Infof("Pressure = %v Pa", p)
// Read atmospheric pressure in mmHg
p, err = sensor.ReadPressureMmHg(bsbmp.ACCURACY_LOW)
if err != nil {
lg.Fatal(err)
}
lg.Infof("Pressure = %v mmHg", p)
// Read atmospheric pressure in mmHg
supported, h1, err := sensor.ReadHumidityRH(bsbmp.ACCURACY_LOW)
if supported {
if err != nil {
lg.Fatal(err)
}
lg.Infof("Humidity = %v %%", h1)
}
// Read atmospheric altitude in meters above sea level, if we assume
// that pressure at see level is equal to 101325 Pa.
a, err := sensor.ReadAltitude(bsbmp.ACCURACY_LOW)
if err != nil {
lg.Fatal(err)
}
lg.Infof("Altitude = %v m", a)
}
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