66 lines
1.3 KiB
Go
66 lines
1.3 KiB
Go
//go:build example
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// +build example
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//
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// Do not build by default.
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package main
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import (
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"fmt"
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"log"
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"time"
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"gobot.io/x/gobot/v2"
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"gobot.io/x/gobot/v2/drivers/i2c"
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"gobot.io/x/gobot/v2/platforms/tinkerboard"
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)
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// Wiring
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// PWR Tinkerboard: 1(+3.3V,VCC), 6,9,14,20(GND)
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// I2C1 Tinkerboard: 3(SDA), 5(SCL)
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// PCF8583 DIP package: 1(OSCI,event), 2(OSCO,nc), 3(A0-GND), 4(VSS,GND), 5(SDA), 6(SCL), 7(/INT,nc), 8(VDD,+3.3V)
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// Note: event can be created by e.g. an debounced button
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func main() {
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board := tinkerboard.NewAdaptor()
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pcf := i2c.NewPCF8583Driver(board, i2c.WithBus(1), i2c.WithPCF8583Mode(i2c.PCF8583CtrlModeCounter))
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work := func() {
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lastCnt := int32(1234)
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if err := pcf.WriteCounter(lastCnt); err != nil {
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fmt.Println(err)
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}
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gobot.Every(1000*time.Millisecond, func() {
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if val, err := pcf.ReadCounter(); err != nil {
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fmt.Println(err)
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} else {
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log.Printf("read Counter: %d, diff [Hz]: %d", val, val-lastCnt)
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lastCnt = val
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}
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ramVal, err := pcf.ReadRAM(uint8(0))
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if err != nil {
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fmt.Println(err)
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} else {
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log.Printf("read RAM: %d", ramVal)
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ramVal++
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}
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if err := pcf.WriteRAM(uint8(0), ramVal); err != nil {
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fmt.Println(err)
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}
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})
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}
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robot := gobot.NewRobot("pcfBot",
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[]gobot.Connection{board},
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[]gobot.Device{pcf},
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work,
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)
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if err := robot.Start(); err != nil {
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panic(err)
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}
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}
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