Re: ttyACM

Est-ce qu'un lsusb -v sur le périphérique te permettrait de m'en dire plus (bidirectionnel) ??

Bus 001 Device 020: ID 04d8:00df Microchip Technology, Inc.
Device Descriptor:
 bLength 18
 bDescriptorType 1
 bcdUSB 2.00
 bDeviceClass 239 Miscellaneous Device
 bDeviceSubClass 2 ?
 bDeviceProtocol 1 Interface Association
 bMaxPacketSize0 8
 idVendor 0x04d8 Microchip Technology, Inc.
 idProduct 0x00df
 bcdDevice 1.01
 iManufacturer 1 Microchip Technology Inc.
 iProduct 2 USB 433.92MHz transceiver
 iSerial 3 0000156698
 bNumConfigurations 1
 Configuration Descriptor:
 bLength 9
 bDescriptorType 2
 wTotalLength 107
 bNumInterfaces 3
 bConfigurationValue 1
 iConfiguration 0
 bmAttributes 0x80
 (Bus Powered)
 MaxPower 100mA
 Interface Association:
 bLength 8
 bDescriptorType 11
 bFirstInterface 0
 bInterfaceCount 2
 bFunctionClass 2 Communications
 bFunctionSubClass 2 Abstract (modem)
 bFunctionProtocol 1 AT-commands (v.25ter)
 iFunction 0
 Interface Descriptor:
 bLength 9
 bDescriptorType 4
 bInterfaceNumber 0
 bAlternateSetting 0
 bNumEndpoints 1
 bInterfaceClass 2 Communications
 bInterfaceSubClass 2 Abstract (modem)
 bInterfaceProtocol 1 AT-commands (v.25ter)
 iInterface 0
 CDC Header:
 bcdCDC 1.10
 CDC ACM:
 bmCapabilities 0x06
 sends break
 line coding and serial state
 CDC Union:
 bMasterInterface 0
 bSlaveInterface 1
 CDC Call Management:
 bmCapabilities 0x00
 bDataInterface 1
 Endpoint Descriptor:
 bLength 7
 bDescriptorType 5
 bEndpointAddress 0x82 EP 2 IN
 bmAttributes 3
 Transfer Type Interrupt
 Synch Type None
 Usage Type Data
 wMaxPacketSize 0x0008 1x 8 bytes
 bInterval 2
 Interface Descriptor:
 bLength 9
 bDescriptorType 4
 bInterfaceNumber 1
 bAlternateSetting 0
 bNumEndpoints 2
 bInterfaceClass 10 CDC Data
 bInterfaceSubClass 0 Unused
 bInterfaceProtocol 0
 iInterface 0
 Endpoint Descriptor:
 bLength 7
 bDescriptorType 5
 bEndpointAddress 0x03 EP 3 OUT
 bmAttributes 2
 Transfer Type Bulk
 Synch Type None
 Usage Type Data
 wMaxPacketSize 0x0020 1x 32 bytes
 bInterval 0
 Endpoint Descriptor:
 bLength 7
 bDescriptorType 5
 bEndpointAddress 0x83 EP 3 IN
 bmAttributes 2
 Transfer Type Bulk
 Synch Type None
 Usage Type Data
 wMaxPacketSize 0x0040 1x 64 bytes
 bInterval 0
 Interface Descriptor:
 bLength 9
 bDescriptorType 4
 bInterfaceNumber 2
 bAlternateSetting 0
 bNumEndpoints 2
 bInterfaceClass 3 Human Interface Device
 bInterfaceSubClass 0 No Subclass
 bInterfaceProtocol 0 None
 iInterface 0
 HID Device Descriptor:
 bLength 9
 bDescriptorType 33
 bcdHID 1.11
 bCountryCode 0 Not supported
 bNumDescriptors 1
 bDescriptorType 34 Report
 wDescriptorLength 29
 Report Descriptors:
 ** UNAVAILABLE **
 Endpoint Descriptor:
 bLength 7
 bDescriptorType 5
 bEndpointAddress 0x81 EP 1 IN
 bmAttributes 3
 Transfer Type Interrupt
 Synch Type None
 Usage Type Data
 wMaxPacketSize 0x0010 1x 16 bytes
 bInterval 1
 Endpoint Descriptor:
 bLength 7
 bDescriptorType 5
 bEndpointAddress 0x01 EP 1 OUT
 bmAttributes 3
 Transfer Type Interrupt
 Synch Type None
 Usage Type Data
 wMaxPacketSize 0x0010 1x 16 bytes
 bInterval 1
Device Status: 0x0000
 (Bus Powered)