tinygo.org/x/drivers@v0.27.1-0.20240509133757-7dbca2a54349/examples/hts221/main.go (about)

     1  package main
     2  
     3  import (
     4  	"machine"
     5  	"time"
     6  
     7  	"tinygo.org/x/drivers/hts221"
     8  )
     9  
    10  func main() {
    11  
    12  	// use Nano 33 BLE Sense's internal I2C bus
    13  	machine.I2C1.Configure(machine.I2CConfig{
    14  		SCL:       machine.SCL1_PIN,
    15  		SDA:       machine.SDA1_PIN,
    16  		Frequency: machine.TWI_FREQ_400KHZ,
    17  	})
    18  
    19  	sensor := hts221.New(machine.I2C1)
    20  
    21  	sensor.Configure() // power on and calibrate
    22  
    23  	if !sensor.Connected() {
    24  		println("HTS221 not connected!")
    25  		return
    26  	}
    27  
    28  	for {
    29  		h, _ := sensor.ReadHumidity()
    30  		t, _ := sensor.ReadTemperature()
    31  		println("h =", float32(h)/100.0, "% / t =", float32(t)/1000.0, "*C")
    32  		time.Sleep(time.Second)
    33  	}
    34  
    35  }