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authorChristian Pointner <equinox@helsinki.at>2016-11-17 01:51:03 (GMT)
committerChristian Pointner <equinox@helsinki.at>2016-11-17 01:51:03 (GMT)
commitaed7e2d70f10c20e3f9bbaa046594133aa29dda1 (patch)
tree4d9a376c3feb4bac7b3778ffac881deec2d79edf /src
parent8f39244ad12e47121324f881b9caa651d8d7e85f (diff)
move serial port to external package
Diffstat (limited to 'src')
-rw-r--r--src/rhctl/audio_switch.go12
-rw-r--r--src/rhctl/conf.go11
-rw-r--r--src/rhctl/playout_server.go14
-rw-r--r--src/rhctl/serial_port.go209
4 files changed, 21 insertions, 225 deletions
diff --git a/src/rhctl/audio_switch.go b/src/rhctl/audio_switch.go
index f8c1cb1..27449cf 100644
--- a/src/rhctl/audio_switch.go
+++ b/src/rhctl/audio_switch.go
@@ -25,6 +25,8 @@ import (
"fmt"
"strings"
"time"
+
+ "code.helsinki.at/goserial"
)
type SwitchResult uint8
@@ -106,7 +108,7 @@ type SwitchState struct {
}
type AudioSwitch struct {
- port *SerialPort
+ port *goserial.Port
timeout time.Duration
Inputs ConfigSwitchInputs
current *SwitchCommand
@@ -342,7 +344,7 @@ func (sw *AudioSwitch) Run() {
}
sw.current = nil
sw.timer = nil
- case data := <-sw.port.rx:
+ case data := <-sw.port.RX:
sw.handleData(data)
}
} else {
@@ -358,10 +360,10 @@ func (sw *AudioSwitch) Run() {
} else {
rhdl.Printf("sending '%s' to switch", c)
sw.current = cmd
- sw.port.tx <- c
+ sw.port.TX <- c
sw.timer = time.NewTimer(sw.timeout)
}
- case data := <-sw.port.rx:
+ case data := <-sw.port.RX:
sw.handleData(data)
}
}
@@ -380,7 +382,7 @@ func SwitchInit(conf *Config) (sw *AudioSwitch, err error) {
sw.Commands = make(chan *SwitchCommand, 16)
sw.Updates = make(chan SwitchUpdate, 32)
- if sw.port, err = SerialOpen(conf.Audioswitch.Device, conf.Audioswitch.Baudrate, ""); err != nil {
+ if sw.port, err = goserial.Open(conf.Audioswitch.Device, conf.Audioswitch.Baudrate, ""); err != nil {
err = fmt.Errorf("Audioswitch: error opening serial port: %s", err)
return
}
diff --git a/src/rhctl/conf.go b/src/rhctl/conf.go
index c163b60..3edacdc 100644
--- a/src/rhctl/conf.go
+++ b/src/rhctl/conf.go
@@ -28,6 +28,7 @@ import (
"strings"
"time"
+ "code.helsinki.at/goserial"
"github.com/naoina/toml"
)
@@ -60,17 +61,17 @@ func (p ConfigSwitchInputs) GetServerAndChannel(in SwitchInputNum) (string, stri
type Config struct {
Audioswitch struct {
Device string `toml:"dev"`
- Baudrate Baudrate `toml:"baud"`
+ Baudrate goserial.Baudrate `toml:"baud"`
Timeout Duration `toml:"timeout"`
Unit SwitchUnitID `toml:"unit"`
Inputs ConfigSwitchInputs `toml:"inputs"`
}
Servers map[string]struct {
- Device string `toml:"dev"`
- Baudrate Baudrate `toml:"baud"`
- HeartbeatTimeout Duration `toml:"heartbeat_timeout"`
- HeartbeatThreshold uint `toml:"heartbeat_threshold"`
+ Device string `toml:"dev"`
+ Baudrate goserial.Baudrate `toml:"baud"`
+ HeartbeatTimeout Duration `toml:"heartbeat_timeout"`
+ HeartbeatThreshold uint `toml:"heartbeat_threshold"`
}
Timing struct {
diff --git a/src/rhctl/playout_server.go b/src/rhctl/playout_server.go
index b6054c6..b0cf433 100644
--- a/src/rhctl/playout_server.go
+++ b/src/rhctl/playout_server.go
@@ -25,6 +25,8 @@ import (
"fmt"
"strings"
"time"
+
+ "code.helsinki.at/goserial"
)
type ServerHealth bool
@@ -61,7 +63,7 @@ type ServerState struct {
type PlayoutServer struct {
name string
- device *SerialPort
+ device *goserial.Port
hbtimeout time.Duration
hbtimer *time.Timer
hbthreshold uint
@@ -90,7 +92,7 @@ func (srv *PlayoutServer) handleHeartbeat() {
srv.StateChanges <- srv.state
rhl.Printf("Server(%s): is back from the dead!", srv.name)
if srv.state.Channel == "" {
- srv.device.tx <- ServerChannelReq
+ srv.device.TX <- ServerChannelReq
}
}
}
@@ -145,7 +147,7 @@ func (srv *PlayoutServer) Run() {
select {
case <-stop:
return
- case data := <-srv.device.rx:
+ case data := <-srv.device.RX:
srv.handleMessage(data)
case <-srv.hbtimer.C:
srv.handleHBTimeout()
@@ -153,10 +155,10 @@ func (srv *PlayoutServer) Run() {
if srv.state.Health == ServerDead {
srv.StateChanges <- srv.state
} else {
- srv.device.tx <- ServerChannelReq
+ srv.device.TX <- ServerChannelReq
}
case update := <-srv.SwitchUpdates:
- srv.device.tx <- update.Data
+ srv.device.TX <- update.Data
}
}
}
@@ -181,7 +183,7 @@ func ServerInit(name string, conf *Config) (srv *PlayoutServer, err error) {
srv.UpdateRequest = make(chan bool, 8)
srv.SwitchUpdates = make(chan SwitchUpdate, 32)
- if srv.device, err = SerialOpen(conf.Servers[name].Device, conf.Servers[name].Baudrate, "\n"); err != nil {
+ if srv.device, err = goserial.Open(conf.Servers[name].Device, conf.Servers[name].Baudrate, "\n"); err != nil {
err = fmt.Errorf("Server(%s): error opening serial port: %s", srv.name, err)
return
}
diff --git a/src/rhctl/serial_port.go b/src/rhctl/serial_port.go
deleted file mode 100644
index 5440f99..0000000
--- a/src/rhctl/serial_port.go
+++ /dev/null
@@ -1,209 +0,0 @@
-//
-// rhctl
-//
-// Copyright (C) 2009-2016 Christian Pointner <equinox@helsinki.at>
-//
-// This file is part of rhctl.
-//
-// rhctl is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// any later version.
-//
-// rhctl is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-//
-// You should have received a copy of the GNU General Public License
-// along with rhctl. If not, see <http://www.gnu.org/licenses/>.
-//
-
-package main
-
-import (
- "bufio"
- "errors"
- "strconv"
- "syscall"
-
- "github.com/schleibinger/sio"
-)
-
-type Baudrate struct {
- value uint32
- code uint32
-}
-
-func NewBaudrate(value uint32) (b *Baudrate, err error) {
- b = &Baudrate{}
- err = b.FromUint(value)
- return
-}
-
-func (b Baudrate) String() string {
- return strconv.FormatUint(uint64(b.value), 10)
-}
-
-func (b Baudrate) MarshalText() (data []byte, err error) {
- data = []byte(b.String())
- return
-}
-
-func (b Baudrate) MarshalJSON() (data []byte, err error) {
- data = []byte(b.String())
- return
-}
-
-func (b Baudrate) MarshalTOML() (data []byte, err error) {
- data = []byte(b.String())
- return
-}
-
-func (b *Baudrate) FromUint(value uint32) error {
- b.value = value
- switch b.value {
- case 50:
- b.code = syscall.B50
- case 75:
- b.code = syscall.B75
- case 110:
- b.code = syscall.B110
- case 134:
- b.code = syscall.B134
- case 150:
- b.code = syscall.B150
- case 200:
- b.code = syscall.B200
- case 300:
- b.code = syscall.B300
- case 600:
- b.code = syscall.B600
- case 1200:
- b.code = syscall.B1200
- case 1800:
- b.code = syscall.B1800
- case 2400:
- b.code = syscall.B2400
- case 4800:
- b.code = syscall.B4800
- case 9600:
- b.code = syscall.B9600
- case 19200:
- b.code = syscall.B19200
- case 38400:
- b.code = syscall.B38400
- case 57600:
- b.code = syscall.B57600
- case 115200:
- b.code = syscall.B115200
- case 230400:
- b.code = syscall.B230400
- case 460800:
- b.code = syscall.B460800
- case 500000:
- b.code = syscall.B500000
- case 576000:
- b.code = syscall.B576000
- case 921600:
- b.code = syscall.B921600
- case 1000000:
- b.code = syscall.B1000000
- case 1152000:
- b.code = syscall.B1152000
- case 1500000:
- b.code = syscall.B1500000
- case 2000000:
- b.code = syscall.B2000000
- case 2500000:
- b.code = syscall.B2500000
- case 3000000:
- b.code = syscall.B3000000
- case 3500000:
- b.code = syscall.B3500000
- case 4000000:
- b.code = syscall.B4000000
- default:
- return errors.New("invalid baudrate")
- }
- return nil
-}
-
-func (b *Baudrate) fromString(str string) error {
- vuint, err := strconv.ParseUint(str, 10, 32)
- if err != nil {
- return err
- }
- return b.FromUint(uint32(vuint))
-}
-
-func (b *Baudrate) UnmarshalText(data []byte) error {
- return b.fromString(string(data))
-}
-
-func (b *Baudrate) UnmarshalJSON(data []byte) error {
- return b.fromString(string(data))
-}
-
-func (b *Baudrate) UnmarshalTOML(data []byte) error {
- return b.fromString(string(data))
-}
-
-type SerialPort struct {
- port *sio.Port
- rx <-chan string
- tx chan<- string
- newline string
-}
-
-func serialReader(c chan<- string, port *sio.Port, stop chan<- bool) {
- defer func() {
- port.Close()
- stop <- true
- }()
-
- scanner := bufio.NewScanner(port)
- scanner.Split(bufio.ScanLines)
- for scanner.Scan() {
- data := scanner.Text()
- if len(data) == 0 {
- continue
- }
- c <- data
- }
- if err := scanner.Err(); err != nil {
- rhl.Printf("device(%s): read error: %s", port.LocalAddr(), err)
- } else {
- rhl.Printf("device(%s): closed", port.LocalAddr())
- }
-}
-
-func serialWriter(c <-chan string, port *sio.Port, newline string, stop chan<- bool) {
- defer func() {
- port.Close()
- stop <- true
- }()
-
- for data := range c {
- port.Write([]byte(data + newline))
- }
-}
-
-func (port *SerialPort) Run(stop chan<- bool) (err error) {
- tx := make(chan string, 10)
- rx := make(chan string, 20)
- go serialReader(rx, port.port, stop)
- go serialWriter(tx, port.port, port.newline, stop)
-
- port.rx = rx
- port.tx = tx
- return
-}
-
-func SerialOpen(device string, rate Baudrate, newline string) (port *SerialPort, err error) {
- port = &SerialPort{newline: newline}
- if port.port, err = sio.Open(device, rate.code); err != nil {
- return
- }
- return
-}