func main() {
var err error
var baud, cmdIndex int
var chanFromSerial, chanToSerial chan byte
var chanDTRSerial, chanQuitSerial, chanQuitTcp chan bool
var conn *net.TCPConn
var tcpaddr *net.TCPAddr
runtime.GOMAXPROCS(runtime.NumCPU())
cp := new(cogCommandProcessor.CogCommandProcessor)
cp.SetReceiveTimeout(time.Duration(3e9))
cp.SetCps(5000)
if len(os.Args) > 1 {
tcpaddr, err = net.ResolveTCPAddr("tcp", os.Args[1])
if err == nil {
conn, err = net.DialTCP("tcp", nil, tcpaddr)
if err == nil {
chanFromSerial, chanToSerial, chanQuitTcp = cp.TcpChan(conn)
}
}
cmdIndex = 2
}
if chanFromSerial == nil && len(os.Args) > 2 {
b, errc := strconv.ParseInt(os.Args[2], 10, 32)
err = errc
baud = int(b)
if err == nil {
chanFromSerial, chanToSerial, chanDTRSerial, chanQuitSerial, err = serial.SerialChannels(os.Args[1], baud, debug)
}
// to reset the prop
chanDTRSerial <- false
time.Sleep(1e8)
chanDTRSerial <- true
time.Sleep(1e8)
chanDTRSerial <- false
cmdIndex = 3
}
if err != nil || chanFromSerial == nil {
fmt.Printf("error: %s\nusage: %s [ipaddr:port | com_port baud] [commands]*\n%s", err, os.Args[0], cogCommandProcessor.Help)
return
}
conLog := make(chan string)
go func() {
for s := range conLog {
fmt.Print(s)
}
}()
var sName string
if len(os.Args) > cmdIndex {
sName = "LINE COMMANDS"
} else {
sName = "USER INPUT"
}
time.Sleep(3e9)
chanCommand := cp.CommandProcessor(sName, chanFromSerial, chanToSerial, conLog)
if len(os.Args) > cmdIndex {
for _, s := range os.Args[cmdIndex:] {
fmt.Println(s)
for _, c := range s {
chanCommand <- byte(c)
}
chanCommand <- byte(0x20)
}
chanCommand <- byte(0x0D)
chanCommand <- byte(0x0D)
close(chanCommand)
return
}
chanCommand <- byte('h')
chanCommand <- byte(0x0D)
d := make([]byte, 2048)
for {
c, e := os.Stdin.Read(d)
for _, ch := range d[:c] {
if ch == byte(0x0A) {
ch = byte(0x0D)
}
chanCommand <- ch
if ch == byte(0x0D) {
break
}
}
time.Sleep(10)
if chanQuitTcp != nil {
select {
case <-chanQuitTcp:
e = io.EOF
default:
}
}
if e == io.EOF {
break
}
}
if chanQuitSerial != nil {
chanQuitSerial <- true
}
if chanQuitTcp != nil {
}
close(conLog)
}
func MuxSerialChannels(name string, baud int, numChannels int, debug bool) (*MuxSerialStruct, error) {
var r = new(MuxSerialStruct)
var err error
var lshift uint
r.debug = debug
if numChannels <= 8 {
lshift = 6
r.numMuxChannels = 8
} else if numChannels <= 16 {
lshift = 5
r.numMuxChannels = 16
} else {
lshift = 4
r.numMuxChannels = 32
}
r.maxPacketSize = 1 << lshift
r.mux = make([]*muxChannel, r.numMuxChannels)
for i := 0; i < r.numMuxChannels; i++ {
r.mux[i] = new(muxChannel)
r.mux[i].ackMuxToData = make(chan bool, 1)
r.mux[i].fromMux = make(chan indexData, 1)
r.mux[i].fromClient = make(chan byte, 4096)
r.mux[i].toClient = make(chan byte, 4096)
r.mux[i].quitGO_C = make(chan bool)
r.mux[i].quitGO_D = make(chan bool)
r.mux[i].connected = false
}
r.fromSerial, r.toSerial, r.dtrSerial, r.quitSerial, err = serial.SerialChannels(name, baud, debug)
if err != nil {
return nil, err
}
forthConstDef := fmt.Sprintf("d_%d wconstant _MX_BSHIFT\nd_%d wconstant _MX_BSIZE\nd_%d wconstant _MX_BMASK\nd_%d wconstant _MX_NUM_CHAN\nd_%d wconstant _MX_BUF_OFFSET\n\n",
lshift, r.maxPacketSize, r.maxPacketSize-1, r.numMuxChannels, 4*r.numMuxChannels)
for retryCount, syncok := 1, false; syncok == false; retryCount++ {
if retryCount > 5 {
return nil, errors.New("Propeller not initializing MX")
}
// to reset the prop
fmt.Printf("\nRebooting propeller, try %d\n", retryCount)
r.dtrSerial <- false
time.Sleep(1e8)
r.dtrSerial <- true
time.Sleep(1e8)
r.dtrSerial <- false
// give the prop time to reboot
time.Sleep(2e9)
r.flush()
fmt.Printf("Sending constant definitions:\n\n%s", forthConstDef)
r.sendString(forthConstDef)
r.flush()
fmt.Print("Sending code...\n")
r.sendString(scode)
r.flush()
fmt.Print("Sending start command... Waiting for sync\n")
r.sendString("gos\r")
syncok = r.sync()
}
fmt.Print("Starting serial multiplexer\n")
r.startMux()
return r, nil
}