//go:build example // +build example // // Do not build by default. package main import ( "fmt" "log" "time" "gobot.io/x/gobot/v2" "gobot.io/x/gobot/v2/drivers/i2c" "gobot.io/x/gobot/v2/platforms/tinkerboard" ) // Wiring // PWR Tinkerboard: 1(+3.3V, VCC), 6,9,14,20(GND) // I2C1 Tinkerboard: 3(SDA), 5(SCL) // PCF8583 DIP package: 1(OSCI,50Hz), 2(OSCO,nc), 3(A0-GND), 4(VSS,GND), 5(SDA), 6(SCL), 7(/INT,nc), 8(VDD,+3.3V) func main() { board := tinkerboard.NewAdaptor() pcf := i2c.NewPCF8583Driver(board, i2c.WithBus(1), i2c.WithPCF8583Mode(i2c.PCF8583CtrlModeClock50)) work := func() { currentTime := time.Now() log.Println(currentTime) if err := pcf.WriteTime(currentTime); err != nil { fmt.Println(err) } gobot.Every(10*time.Second, func() { if val, err := pcf.ReadTime(); err != nil { fmt.Println(err) } else { log.Printf("read Time: %v", val) } ramVal, err := pcf.ReadRAM(uint8(0)) if err != nil { fmt.Println(err) } else { log.Printf("read RAM: %v", ramVal) ramVal++ } if err := pcf.WriteRAM(uint8(0), ramVal); err != nil { fmt.Println(err) } }) } robot := gobot.NewRobot("pcfBot", []gobot.Connection{board}, []gobot.Device{pcf}, work, ) if err := robot.Start(); err != nil { panic(err) } }