ZNP is used for communication between the host and a ZigBee device through a serial port. You can issue Monitor and Test (MT) commands to the ZigBee target from your application.
I tested it with cc2531, but it might work with cc253X
To use it you need to provide a reference to an unp instance:
import (
"go.bug.st/serial.v1"
"github.com/davecgh/go-spew/spew"
"github.com/dyrkin/unp-go"
"github.com/dyrkin/znp-go"
)
func main() {
mode := &serial.Mode{
BaudRate: 115200,
}
port, err := serial.Open("/dev/tty.usbmodem14101", mode)
if err != nil {
log.Fatal(err)
}
port.SetRTS(true)
u := unp.New(1, port)
z := znp.New(u)
z.Start()
}Then you be able to run commands:
res, err := z.SysSetExtAddr("0x00124b00019c2ee9")
if err != nil {
log.Fatal(err)
}
res, err = z.SapiZbPermitJoiningRequest("0xFF00", 200)
if err != nil {
log.Fatal(err)
}To receive async commands and errors, use AsyncInbound() and Errors() channels:
go func() {
for {
select {
case err := <-z.Errors():
fmt.Printf("Error received: %s\n", err)
case async := <-z.AsyncInbound():
fmt.Printf("Async received: %s\n", spew.Sdump(async))
}
}
}()To log all ingoing and outgoing unp frames, use InFramesLog() and OutFramesLog() channels:
go func() {
for {
select {
case frame := <-z.OutFramesLog():
fmt.Printf("Frame sent: %s\n", spew.Sdump(frame))
case frame := <-z.InFramesLog():
fmt.Printf("Frame received: %s\n", spew.Sdump(frame))
}
}
}()See more examples
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