Added GPS status.

api/modem/gps/check.go

@@ -6,31 +6,49 @@ import (
 	"strings"
 )
 
-func (g *gps) CheckStatus() error {
+type Status struct {
+	GotResponses          bool `json:"gotResponses"`
+	FoundSatelitesCount   int  `json:"foundSatelitesCount"`
+	ActiveSatelitesCounte int  `json:"activeSatelitesCount"`
+}
+
+func (st Status) String() string {
+	got := "false"
+	if st.GotResponses {
+		got = "true"
+	}
+	return "" +
+		"GotResponses:          " + got + "\n" +
+		"FoundSatelitesCount:   " + string(st.FoundSatelitesCount) + "\n" +
+		"ActiveSatelitesCounte: " + string(st.ActiveSatelitesCounte) + "\n"
+}
+
+var StatusNil = Status{}
+
+func (g *gps) CheckStatus() (Status, error) {
 	// Provides more information about signal and possible problems using NMEA reports
 
 	// Collect reports
 	reports, err := g.collectNmeaReports(nmeaFlagsAll) // Now minimum
 	if err != nil {
-		return fmt.Errorf("collect nmea reports: %w", err)
+		return StatusNil, fmt.Errorf("collect nmea reports: %w", err)
 	}
 
 	// Annalise
-	// Now simpliest variant
+	st := Status{}
-	// Checks if there is any satelites
+
-	sc := 0 // Satelites' counter
-	// asc := 0 // Active satelites' counter
 checkLoop:
 	for _, s := range reports {
 		// Check for NMEA format
 		if len(s) < 1 || s[0] != '$' {
 			continue checkLoop
 		}
+		st.GotResponses = true
 
 		g.logger.Println("NMEA check:", s)
 		values := strings.Split(s, ",")
 		if len(values[0]) != 6 {
-			return fmt.Errorf("nmea invalid sentence: %s", s)
+			return StatusNil, fmt.Errorf("nmea invalid sentence: %s", s)
 		}
 		switch values[0][3:] { // Switch by content
 		case "gsv":
@@ -43,14 +61,9 @@ checkLoop:
 				g.logger.Println("GSV too small values")
 				continue checkLoop
 			}
-			sc += c
+			st.FoundSatelitesCount += c
 		}
 	}
 
-	g.logger.Println("FOUND:", sc, "SATELITES")
+	return st, nil
-	if sc == 0 {
-		return fmt.Errorf("no satelites found")
-	}
-
-	return nil
 }

api/modem/gps/gps.go

@@ -19,7 +19,7 @@ type Gps interface {
 	Init() error
 	Update() error
 	GetData() Data
-	CheckStatus() error
+	CheckStatus() (Status, error)
 	io.Closer
 }
 

api/modem/gps/nmea.go

@@ -102,6 +102,8 @@ func (g *gps) rawCollect(flags nmeaFlags) (string, error) {
 		return "", fmt.Errorf("serial port write 2: %w", err)
 	}
 
+	time.Sleep(100 * time.Millisecond) // To enshure
+
 	// Read
 	outBuf := make([]byte, 0)
 	buf := make([]byte, 128)

main.go

@@ -16,30 +16,35 @@ func main() {
 }
 
 func mainE() error {
-	m := modem.New(log.New(os.Stdout, "modem:", log.LstdFlags))
+	logger := log.New(os.Stdout, "main:", log.LstdFlags)
-	log.Println("||||||||||||||||| INIT |||||||||||||||")
+	m := modem.New(log.New(logger.Writer(), "modem:", log.LstdFlags))
+	logger.Println("||||||||||||||||| INIT |||||||||||||||")
 	if err := m.Init(); err != nil {
 		return err
 	}
 	if !m.Validate() {
-		log.Println("AAAAAAAAAAAAAAA Validation failed")
+		logger.Println("AAAAAAAAAAAAAAA Validation failed")
 		return nil
 	}
-	log.Println("||||||||||||||||| GET INFO |||||||||||||||||")
+	logger.Println("||||||||||||||||| GET INFO |||||||||||||||||")
-	log.Println(m.GetData())
+	logger.Println(m.GetData())
 
-	// log.Println("||||||||||||||||| SEND SMS |||||||||||||||||")
+	// logger.Println("||||||||||||||||| SEND SMS |||||||||||||||||")
-	// log.Println(m.At().Send("AT+CNUM"))
+	// logger.Println(m.At().Send("AT+CNUM"))
 	// if err := m.Sms().Send("+79218937173", "CGSG forever"); err != nil {
 	// 	return err
 	// }
 	// if ms, err := m.Sms().ReadNew(); err != nil {
 	// return err
 	// } else {
-		// log.Println("NEW:", ms)
+	// logger.Println("NEW:", ms)
 	// }
-	log.Println("||||||||||||||||| Checking gps status  |||||||||||||||||")
+	logger.Println("||||||||||||||||| Checking gps status  |||||||||||||||||")
-	log.Println(m.Gps().CheckStatus())
+	st, err := m.Gps().CheckStatus()
+	if err != nil {
+		return err
+	}
+	logger.Println("GPS Status:\n", st)
 
 	return nil
 }