67 lines
1.1 KiB
Go
67 lines
1.1 KiB
Go
package serial
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import (
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"strconv"
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"strings"
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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) *Config {
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cfg := &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 *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 ParityEven:
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ss = append(ss, "even")
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case ParityOdd:
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ss = append(ss, "odd")
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case ParityMark:
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ss = append(ss, "mark")
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case 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) Parity {
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switch strings.ToLower(s) {
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case "o", "odd":
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return ParityOdd
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case "e", "even":
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return ParityEven
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case "m", "mark":
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return ParityMark
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case "s", "space":
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return ParitySpace
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default:
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return ParityNone
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}
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}
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