62 lines
1.3 KiB
Go
62 lines
1.3 KiB
Go
// +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"
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"gobot.io/x/gobot/drivers/i2c"
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"gobot.io/x/gobot/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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robot.Start()
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}
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