hybridgroup.gobot/examples/tinkerboard_hmc5883l.go

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2022-11-05 14:42:28 +08:00
// +build example
//
// Do not build by default.
package main
import (
"fmt"
"log"
"time"
"gobot.io/x/gobot"
"gobot.io/x/gobot/drivers/i2c"
"gobot.io/x/gobot/platforms/tinkerboard"
)
// Wiring
// PWR Tinkerboard: 1 (+3.3V, VCC), 6, 9, 14, 20 (GND)
// I2C1 Tinkerboard: 3 (SDA), 5 (SCL)
// HMC5883L plate: VCC, GND, SDL, SDA
func main() {
a := tinkerboard.NewAdaptor()
hmc := i2c.NewHMC5883LDriver(a)
work := func() {
var x, y, z, h float64
var err error
gobot.Every(1000*time.Millisecond, func() {
if x, y, z, err = hmc.Read(); err != nil {
fmt.Println(err)
} else {
log.Printf("Xn: %f, Yn: %f, Zn: %f", x, y, z)
}
if h, err = hmc.Heading(); err != nil {
fmt.Println(err)
} else {
log.Printf("Heading: %.1f", h)
}
})
}
robot := gobot.NewRobot("hcBot",
[]gobot.Connection{a},
[]gobot.Device{hmc},
work,
)
robot.Start()
}