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Set time according to NEO-M8N, even if no GPS lock. Index fix.

pull/96/head
Christopher Young 2015-10-19 13:18:48 -04:00
rodzic 663fe90ae8
commit 6de0a8602a
1 zmienionych plików z 22 dodań i 15 usunięć
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37
main/ry835ai.go
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@ -338,9 +338,7 @@ func processNMEALine(l string) bool {
}
mySituation.mu_GPS.Lock()
defer mySituation.mu_GPS.Unlock()
if x[2] != "A" { // invalid fix
return false
}
// Timestamp.
if len(x[1]) < 9 {
return false
@ -352,6 +350,27 @@ func processNMEALine(l string) bool {
return false
}
mySituation.lastFixSinceMidnightUTC = uint32((hr * 60 * 60) + (min * 60) + sec)
if len(x[9]) == 6 {
// Date of Fix, i.e 191115 = 19 November 2015 UTC field 9
gpsTimeStr := fmt.Sprintf("%s %d:%d:%d", x[9], hr, min, sec)
gpsTime, err := time.Parse("020106 15:04:05", gpsTimeStr)
if err == nil {
if time.Since(gpsTime) > 10*time.Minute {
log.Printf("setting system time to: %s\n", gpsTime)
setStr := gpsTime.Format("20060102 15:04:05")
if err := exec.Command("date", "-s", setStr).Run(); err != nil {
log.Printf("Set Date failure: %s error\n", err)
}
}
}
}
if x[2] != "A" { // invalid fix
return false
}
// Latitude.
if len(x[3]) < 10 {
return false
@ -390,18 +409,6 @@ func processNMEALine(l string) bool {
return false
}
mySituation.TrueCourse = uint16(tc)
// Date of Fix, i.e 191115 = 19 November 2015 UTC field 9
gpsTimeStr := fmt.Sprintf("%s %d:%d:%d", x[8], hr, min, sec)
gpsTime, err := time.Parse("020106 15:04:05", gpsTimeStr)
if err == nil {
if time.Since(gpsTime) > 10*time.Minute {
log.Printf("setting system time to: %s\n", gpsTime)
setStr := gpsTime.Format("20060102 15:04:05")
if err := exec.Command("date", "-s", setStr).Run(); err != nil {
log.Printf("Set Date failure: %s error\n", err)
}
}
}
}
return true
}