A simple lib for interfacing with a variety of DROK Buck / Boost power supplies.
Thanks to Ben James for the supplementary writeup
Open a serial port @4800 baud and pass to the desired functions.
package examples
import (
"fmt"
drok "github.com/qcasey/drok"
"github.com/tarm/serial"
)
func main() {
c := &serial.Config{Name: "/dev/ttyUSB0", Baud: 4800}
drokDevice, err := serial.OpenPort(c)
if err != nil {
panic("Failed to open serial port")
}
// Read output
isOn, err := drok.IsOn(drokDevice)
if err != nil {
panic(err.Error())
595D
}
if isOn {
fmt.Println("DROK power supply is turned on")
} else {
fmt.Println("DROK power supply is turned off")
}
// Read output voltage
voltage, err := drok.ReadVoltage(drokDevice)
if err != nil {
panic(err.Error())
}
fmt.Printf("Output voltage limit set to: %f\n", voltage)
// Read output current
current, err := drok.ReadCurrent(drokDevice)
if err != nil {
panic(err.Error())
}
fmt.Printf("Total output current is: %f\n", current)
// Set output to true (enabling power output)
err = drok.SetOutput(drokDevice, true)
if err != nil {
panic(err.Error())
}
// Set output voltage to 12.3v
err = drok.SetVoltage(drokDevice, 12.3)
if err != nil {
panic(err.Error())
}
// Set output current limit to 0.95A
err = drok.SetCurrent(drokDevice, 0.95)
if err != nil {
panic(err.Error())
}
}