69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package serial
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import (
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"strconv"
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"strings"
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goserial "github.com/tarm/serial"
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)
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const (
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DefaultPort = "COM1"
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DefaultBaudRate = 9600
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)
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// COM1,9600,odd
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func ParseConfigFromAddr(addr string) *goserial.Config {
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cfg := &goserial.Config{
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Name: DefaultPort,
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Baud: DefaultBaudRate,
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}
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ss := strings.Split(addr, ",")
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switch len(ss) {
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case 1:
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cfg.Name = ss[0]
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case 2:
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cfg.Name = ss[0]
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cfg.Baud, _ = strconv.Atoi(ss[1])
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case 3:
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cfg.Name = ss[0]
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cfg.Baud, _ = strconv.Atoi(ss[1])
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cfg.Parity = parseParity(ss[2])
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}
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return cfg
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}
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func AddrFromConfig(cfg *goserial.Config) string {
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ss := []string{
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cfg.Name,
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strconv.Itoa(cfg.Baud),
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}
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switch cfg.Parity {
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case goserial.ParityEven:
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ss = append(ss, "even")
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case goserial.ParityOdd:
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ss = append(ss, "odd")
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case goserial.ParityMark:
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ss = append(ss, "mark")
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case goserial.ParitySpace:
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ss = append(ss, "space")
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}
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return strings.Join(ss, ",")
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}
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func parseParity(s string) goserial.Parity {
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switch strings.ToLower(s) {
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case "o", "odd":
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return goserial.ParityOdd
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case "e", "even":
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return goserial.ParityEven
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case "m", "mark":
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return goserial.ParityMark
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case "s", "space":
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return goserial.ParitySpace
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default:
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return goserial.ParityNone
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}
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}
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