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Austen LeBeau c1c05cbef7 Add bmp388 support (#219)
bmp388: add support
2021-01-08 11:32:49 +01:00

54 lines
1.4 KiB
Go

package main
import (
"machine"
"strconv"
"time"
"tinygo.org/x/drivers/bmp388"
)
func main() {
machine.I2C0.Configure(machine.I2CConfig{})
sensor := bmp388.New(machine.I2C0)
if !sensor.Connected() {
println("Uh oh, BMP388 not detected")
return
}
// The accuracy of the sensor can be increased, at the cost of a slower output rate. Table 9 in Section 3.5 of the
// datasheet has recommended settings for common use cases. If increasing the sampling rate, the output data rate
// (ODR) will likely have to be decreased. Configure() will return an error if there's a problem with the
// configuration settings - keep decreasing the ODR and cycling the power to the sensor until it is happy.
err := sensor.Configure(bmp388.Config{
Pressure: bmp388.Sampling8X,
Temperature: bmp388.Sampling2X,
ODR: bmp388.Odr25,
IIR: bmp388.Coeff0,
Mode: bmp388.Normal,
})
// This is also fine
// err := sensor.Configure(bmp388.BMP388Config{})
if err != nil {
println(err)
}
for {
temp, err := sensor.ReadTemperature() // returns the temperature in centicelsius
press, err := sensor.ReadPressure() // returns the pressure in centipascals
if err != nil {
println(err)
} else {
println("Temperature: " + strconv.FormatInt(int64(temp), 10) + " cC")
println("Pressure: " + strconv.FormatInt(int64(press), 10) + " cPa\n")
}
time.Sleep(time.Second)
}
}