fixed tooltip

hardware/FTDIPeripheral.go

@@ -0,0 +1,202 @@
+package hardware
+
+import (
+	"bufio"
+	_ "embed"
+	"fmt"
+	"io"
+	"log"
+	"os"
+	"os/exec"
+	"sync"
+)
+
+const (
+	activateCommandString   = 0x01
+	deactivateCommandString = 0x02
+	setCommandString        = 0x03
+)
+
+//go:embed third-party/ftdi/dmxSender.exe
+var dmxSender []byte
+
+// FTDIPeripheral contains the data of an FTDI peripheral
+type FTDIPeripheral struct {
+	name            string         // The name of the peripheral
+	serialNumber    string         // The S/N of the FTDI peripheral
+	location        int            // The location of the peripheral
+	universesNumber int            // The number of DMX universes handled by this peripheral
+	programName     string         // The temp file name of the executable
+	dmxSender       *exec.Cmd      // The command to pilot the DMX sender program
+	stdin           io.WriteCloser // For writing in the DMX sender
+	stdout          io.ReadCloser  // For reading from the DMX sender
+	stderr          io.ReadCloser  // For reading the errors
+	disconnectChan  chan struct{}  // Channel to cancel the connection
+	errorsChan      chan error     // Channel to get the errors
+	wg              sync.WaitGroup // Tasks management
+}
+
+// NewFTDIPeripheral creates a new FTDI peripheral
+func NewFTDIPeripheral(name string, serialNumber string, location int) (*FTDIPeripheral, error) {
+	// Create a temporary file
+	tempFile, err := os.CreateTemp("", "dmxSender*.exe")
+	if err != nil {
+		return nil, err
+	}
+
+	// Write the embedded executable to the temp file
+	if _, err := tempFile.Write(dmxSender); err != nil {
+		return nil, err
+	}
+
+	tempFile.Close()
+
+	return &FTDIPeripheral{
+		name:            name,
+		programName:     tempFile.Name(),
+		serialNumber:    serialNumber,
+		location:        location,
+		universesNumber: 1,
+		disconnectChan:  make(chan struct{}),
+		errorsChan:      make(chan error, 1),
+	}, nil
+}
+
+// Connect connects the FTDI peripheral
+func (p *FTDIPeripheral) Connect() error {
+	// Connect if no connection is already running
+	fmt.Println(p.dmxSender)
+	if p.dmxSender == nil {
+		// Executing the command
+		p.dmxSender = exec.Command(p.programName, fmt.Sprintf("%d", p.location))
+
+		var err error
+		p.stdout, err = p.dmxSender.StdoutPipe()
+		if err != nil {
+			log.Fatalf("Unable to create the stdout pipe: %v", err)
+		}
+
+		p.stdin, err = p.dmxSender.StdinPipe()
+		if err != nil {
+			log.Fatalf("Unable to create the stdin pipe: %v", err)
+		}
+
+		p.stderr, err = p.dmxSender.StderrPipe()
+		if err != nil {
+			log.Fatalf("Unable to create the stderr pipe: %v", err)
+		}
+
+		go func() {
+			scanner := bufio.NewScanner(p.stderr)
+			for scanner.Scan() {
+				// Traitez chaque ligne lue depuis stderr
+				fmt.Printf("Erreur : %s\n", scanner.Text())
+			}
+			if err := scanner.Err(); err != nil {
+				log.Printf("Error reading from stderr: %v", err)
+			}
+		}()
+
+		p.wg.Add(1)
+		go func() {
+			defer p.wg.Done()
+			err = p.dmxSender.Run()
+			if err != nil {
+				// Affiche l'erreur (cela inclut également les erreurs de retour du programme)
+				fmt.Printf("Erreur lors de l'exécution : %v\n", err)
+
+				// Vérifie si l'erreur est liée au code de retour
+				if exitError, ok := err.(*exec.ExitError); ok {
+					// Récupère et affiche le code de retour
+					fmt.Printf("Le programme s'est terminé avec le code : %d\n", exitError.ExitCode())
+					fmt.Println(p.stderr)
+				}
+			} else {
+				fmt.Println("Le programme s'est terminé avec succès.")
+			}
+		}()
+	}
+	return nil
+}
+
+// Disconnect disconnects the FTDI peripheral
+func (p *FTDIPeripheral) Disconnect() error {
+	if p.dmxSender != nil {
+		_, err := io.WriteString(p.stdin, string([]byte{0x04, 0x00, 0x00, 0x00}))
+		if err != nil {
+			return fmt.Errorf("Unable to disconnect: %v", err)
+		}
+		p.stdin.Close()
+		p.stdout.Close()
+		p.dmxSender = nil
+		err = os.Remove(p.programName)
+		if err != nil {
+			return fmt.Errorf("Unable to delete the temporary file: %v", err)
+		}
+		return nil
+	}
+	return fmt.Errorf("Unable to disconnect: not connected")
+	// if p.dmxSender != nil {
+	// 	err := p.dmxSender.Process.Kill()
+	// 	if err != nil {
+	// 		return fmt.Errorf("Unable to disconnect: %v", err)
+	// 	}
+	// 	p.stdin.Close()
+	// 	p.stdout.Close()
+	// 	p.dmxSender = nil
+	// 	err = os.Remove(p.programName)
+	// 	if err != nil {
+	// 		return fmt.Errorf("Unable to delete the temporary file: %v", err)
+	// 	}
+	// 	return nil
+	// }
+	// return fmt.Errorf("Unable to disconnect: not connected")
+}
+
+// Activate activates the FTDI peripheral
+func (p *FTDIPeripheral) Activate() error {
+	if p.dmxSender != nil {
+		_, err := io.WriteString(p.stdin, string([]byte{0x01, 0x00, 0x00, 0x00}))
+		if err != nil {
+			return fmt.Errorf("Unable to activate: %v", err)
+		}
+		return nil
+	}
+	return fmt.Errorf("Unable to activate: not connected")
+}
+
+// Deactivate deactivates the FTDI peripheral
+func (p *FTDIPeripheral) Deactivate() error {
+	if p.dmxSender != nil {
+		_, err := io.WriteString(p.stdin, string([]byte{0x02, 0x00, 0x00, 0x00}))
+		if err != nil {
+			return fmt.Errorf("Unable to deactivate: %v", err)
+		}
+		return nil
+	}
+	return fmt.Errorf("Unable to deactivate: not connected")
+}
+
+// SetDeviceProperty sends a command to the specified device
+func (p *FTDIPeripheral) SetDeviceProperty(uint32, channelNumber uint32, channelValue byte) error {
+	if p.dmxSender != nil {
+		fmt.Println(channelValue)
+		commandString := []byte{0x03, 0x01, 0x00, 0xff, 0x03, 0x02, 0x00, channelValue}
+		_, err := io.WriteString(p.stdin, string(commandString))
+		if err != nil {
+			return fmt.Errorf("Unable to set device property: %v", err)
+		}
+		return nil
+	}
+	return fmt.Errorf("Unable to set device property: not connected")
+}
+
+// GetInfo gets all the peripheral information
+func (p *FTDIPeripheral) GetInfo() PeripheralInfo {
+	return PeripheralInfo{
+		Name:            p.name,
+		SerialNumber:    p.serialNumber,
+		ProtocolName:    "FTDI",
+		UniversesNumber: p.universesNumber,
+	}
+}