Improved logs, other fixes.

This commit is contained in:
Andrey Egorov 2024-07-23 17:59:26 +03:00
parent ef5f86b970
commit b0a5fa81d5
2 changed files with 77 additions and 56 deletions

View File

@ -28,15 +28,20 @@ type GpsInfo struct {
Time string `json:"-"`
}
var GpsInfoNil = GpsInfo{}
type modem struct {
// Serial stuff
// Internal values
logger *log.Logger
// Serial values
baudrate int
deviceName string
port at.Port
isAvailable bool
// Gpio stuff
// Gpio values
onOffPin gpioPin
// Other values
@ -58,6 +63,7 @@ type Modem interface {
func New() Modem {
return &modem{
logger: log.New(os.Stdout, "modem:", log.LstdFlags),
baudrate: 115200,
onOffPin: gpioPin{Pin: 6},
lastUpdateTime: time.Now(),
@ -66,18 +72,19 @@ func New() Modem {
func (m *modem) Init() error {
// Turn module on
if err := m.onOffPin.Init(); err != nil {
return fmt.Errorf("gpio pin init: %w", err)
}
// log.Println("=============================== Turn on module")
// if err := m.onOffPin.Init(); err != nil {
// return fmt.Errorf("gpio pin init: %w", err)
// }
// onOffPin.PowerOn()
log.Println("===============================")
// Search
m.logger.Println("=============================== Search")
// Soft search
if err := m.SearchPort(true); err != nil {
return fmt.Errorf("soft port search: %w", err)
}
// Common search
// Wide search
if m.port == nil {
if err := m.SearchPort(false); err != nil {
return fmt.Errorf("not soft port search: %w", err)
@ -87,15 +94,14 @@ func (m *modem) Init() error {
return errors.New("no port is detected")
}
log.Println("===============================")
// Connect
m.logger.Println("=============================== Connect")
if err := m.Connect(); err != nil {
return fmt.Errorf("connect: %w", err)
}
log.Println("===============================")
// Tests
m.logger.Println("=============================== Test")
if err := m.TestGPS(); err != nil {
return fmt.Errorf("testGPS: %w", err)
}
@ -117,14 +123,14 @@ func (m *modem) checkPort(portName string) error {
defer m.port.Disconnect() // Do not bother about errors...
// Ping
log.Println("Ping...")
m.logger.Println("Ping...")
if err := m.Ping(); err != nil {
return fmt.Errorf("ping error: %w", err)
}
// Check model
log.Println("Check model...")
m.logger.Println("Check model...")
resp, err := m.port.Send("AT+CGMM")
if err != nil {
@ -138,11 +144,11 @@ func (m *modem) checkPort(portName string) error {
return fmt.Errorf("get model: %w", err)
}
rightModel := "SIMCOM_SIM7600E-H"
// log.Printf("[% x]\n [% x]", []byte("SIMCOM_SIM7600E-H"), []byte(model))
// m.logger.Printf("[% x]\n [% x]", []byte("SIMCOM_SIM7600E-H"), []byte(model))
if model[:len(rightModel)] != rightModel {
return fmt.Errorf("invalid modem model: %s", model)
}
log.Println("Model right")
m.logger.Println("Model right")
return nil
}
@ -160,14 +166,14 @@ func (m *modem) SearchPort(isSoft bool) error {
// Check ports
SearchLoop:
for _, p := range ports {
log.Printf("Checking port %s ...\n", p)
m.logger.Printf("Checking port %s ...\n", p)
if err := m.checkPort("/dev/" + p); err != nil {
log.Printf("Check failed: %s\n", err.Error())
m.logger.Printf("Check failed: %s\n", err.Error())
continue SearchLoop
}
log.Print("Found modem on port: ", p)
m.logger.Print("Found modem on port: ", p)
m.port = at.New("/dev/"+p, m.baudrate)
m.isAvailable = true
return nil
@ -194,7 +200,7 @@ func (m *modem) Ping() error {
}
func (m *modem) SwitchToGpsMode() error {
log.Println("Enabling GPS mode...")
m.logger.Println("Enabling GPS mode...")
// Reset intput
if err := m.port.GetSerialPort().ResetInputBuffer(); err != nil {
return fmt.Errorf("reset input buffer: %w", err)
@ -210,10 +216,10 @@ func (m *modem) SwitchToGpsMode() error {
}
ans := strings.Replace(strings.Split(strings.Split(resp.RmFront("+CGPS:").String(), "\n")[0], ",")[0], " ", "", -1)
if ans == "1" {
log.Println("GPS already enabled")
m.logger.Println("GPS already enabled")
return nil
}
log.Println(ans)
m.logger.Println(ans)
// Modem is not in GPS mode
resp, err = m.port.Send("AT+CGPS=1")
@ -223,7 +229,7 @@ func (m *modem) SwitchToGpsMode() error {
if !resp.Check() {
return fmt.Errorf("switch tp GPS failed")
}
log.Println("GPS mode enabled")
m.logger.Println("GPS mode enabled")
return nil
}
@ -232,7 +238,7 @@ func deg2rad(deg float64) float64 {
}
func (m *modem) CalculateSpeed(newLatitude, newLongitude float64) {
log.Println("Calculate speed")
m.logger.Println("Calculate speed")
earthRad := 6371.0 // TODO ?
dLat := deg2rad(math.Abs(newLatitude - m.gpsInfo.Latitude))
dLon := deg2rad(math.Abs(newLongitude - m.gpsInfo.Longitude))
@ -243,10 +249,41 @@ func (m *modem) CalculateSpeed(newLatitude, newLongitude float64) {
m.gpsInfo.Speed = earthRad * c / (math.Abs(float64(time.Since(m.lastUpdateTime))))
}
func decodeGpsInfo(strs [9]string) (GpsInfo, error) {
var err error
newGpsInfo := GpsInfo{}
newGpsInfo.Latitude, err = strconv.ParseFloat(strs[0], 64)
if err != nil {
return GpsInfoNil, fmt.Errorf("parse latitude: %w", err)
}
newGpsInfo.Longitude, err = strconv.ParseFloat(strs[2], 64)
if err != nil {
return GpsInfoNil, fmt.Errorf("parse longitude: %w", err)
}
newGpsInfo.LatitudeIndicator = strs[1]
newGpsInfo.LatitudeIndicator = strs[3]
newGpsInfo.Date = strs[4]
newGpsInfo.Time = strs[5]
newGpsInfo.Altitude, err = strconv.ParseFloat(strs[6], 64)
if err != nil {
return GpsInfoNil, fmt.Errorf("parse altitude: %w", err)
}
newGpsInfo.Speed, err = strconv.ParseFloat(strs[7], 64)
if err != nil {
return GpsInfoNil, fmt.Errorf("parse speed: %w", err)
}
newGpsInfo.Course, err = strconv.ParseFloat(strs[8], 64)
if err != nil {
return GpsInfoNil, fmt.Errorf("parse course: %w", err)
}
return newGpsInfo, nil
}
func (m *modem) Update() error {
log.Println("Update")
m.logger.Println("Update")
if !m.isAvailable {
log.Println("No connection to module")
m.logger.Println("No connection to module")
return nil
}
// ans, err := m.port.Request(at.CmdQuestion, "CGPSINFO")
@ -259,13 +296,13 @@ func (m *modem) Update() error {
// if err != nil {
// return fmt.Errorf("switch to GPS info mode: %w", err)
// }
// log.Println("switched to GPS mode")
// m.logger.Println("switched to GPS mode")
// } else {
// log.Println("mode in right GPS mode")
// m.logger.Println("mode in right GPS mode")
// }
// Update
log.Println("Receiving GPS data...")
m.logger.Println("Receiving GPS data...")
resp, err := m.port.Send("AT+CGPSINFO")
if err != nil {
return fmt.Errorf("receive GPS data: %w", err)
@ -273,34 +310,16 @@ func (m *modem) Update() error {
if !resp.Check() {
return fmt.Errorf("error response")
}
log.Println("Decoding data...")
m.logger.Println("Decoding data...")
coordinates := strings.Split(strings.Split(resp.RmFront("+CGPSINFO:").String(), "\n")[0], ",")
m.gpsInfo.Latitude, err = strconv.ParseFloat(coordinates[0], 64)
newGpsInfo, err := decodeGpsInfo([9]string(coordinates))
if err != nil {
return fmt.Errorf("parse latitude: %w", err)
m.logger.Println("Gps info decode error:", err.Error())
return nil
}
m.gpsInfo.Longitude, err = strconv.ParseFloat(coordinates[2], 64)
if err != nil {
return fmt.Errorf("parse longitude: %w", err)
}
m.gpsInfo.LatitudeIndicator = coordinates[1]
m.gpsInfo.LatitudeIndicator = coordinates[3]
m.gpsInfo.Date = coordinates[4]
m.gpsInfo.Time = coordinates[5]
m.gpsInfo.Altitude, err = strconv.ParseFloat(coordinates[6], 64)
if err != nil {
return fmt.Errorf("parse altitude: %w", err)
}
m.gpsInfo.Speed, err = strconv.ParseFloat(coordinates[7], 64)
if err != nil {
return fmt.Errorf("parse speed: %w", err)
}
m.gpsInfo.Course, err = strconv.ParseFloat(coordinates[8], 64)
if err != nil {
return fmt.Errorf("parse course: %w", err)
}
log.Println("Decoded successfully")
m.gpsInfo = newGpsInfo
m.logger.Println("Decoded successfully")
return nil
}
@ -347,7 +366,7 @@ func (m *modem) SaveGPS(path string) error {
}
func (m *modem) TestGPS() error {
log.Println("Testing GPS")
m.logger.Println("Testing GPS")
if err := m.SwitchToGpsMode(); err != nil {
return fmt.Errorf("switch to GPS: %w", err)
@ -357,7 +376,7 @@ func (m *modem) TestGPS() error {
return fmt.Errorf("update: %w", err)
}
log.Println("Current coords:", m.GetShortInfo())
m.logger.Println("Current coords:", m.GetShortInfo())
return nil
}
@ -366,7 +385,6 @@ func GetTtyDevices() ([]string, error) {
// Get ports
/**/
log.Print("Search for ports...")
out, err := exec.Command("/bin/ls", "/dev").Output()
if err != nil {
return nil, fmt.Errorf("execute ls command: %w", err)

View File

@ -16,7 +16,10 @@ func main() {
func mainE() error {
m := modem.New()
return m.Init()
if err := m.Init(); err != nil {
return err
}
return nil
// ports, err := serial.GetPortsList()
// if err != nil {
// return err