how to create /dev/ttyACM ?
Jabka Atu
I bought a Motorola w375 and i can't connect to it :
lsub :
Bus 001 Device 008: ID 22b8:4061 Motorola PCS
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 1.10
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x22b8 Motorola PCS
idProduct 0x4061
bcdDevice 0.01
iManufacturer 0
iProduct 0
iSerial 1
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 39
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xe0
Self Powered
Remote Wakeup
MaxPower 498mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 3
bInterfaceClass 2 Communications
bInterfaceSubClass 2 Abstract (modem)
bInterfaceProtocol 0 None
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0040 1x 64 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x82 EP 2 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0010 1x 16 bytes
bInterval 1
dmesg:
[75641.160127] usb 1-1: new full speed USB device using ohci_hcd and
address 8
[79528.612575] usb 1-1: configuration #1 chosen from 1 choice
[79528.614367] usb 1-1: New USB device found, idVendor=22b8, idProduct=4061
[79528.614376] usb 1-1: New USB device strings: Mfr=0, Product=0,
SerialNumber=1
[79528.614380] usb 1-1: SerialNumber: MySerialNumber
but there is no /dev/ttyAM0 interface so i could use it with kmobiletools
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Jabka Atu
> ls: cannot access /dev/ttyACM*: No such file or directory
>
I also tried using mknod but this didn't help (since both kmobiletools
and moto4lin failed to connect )
Ron Johnson
> Jabka Atu wrote:
>> Hello ,...
>>
>> I bought a Motorola w375 and i can't connect to it :
>> lsub :
>>
>> Bus 001 Device 008: ID 22b8:4061 Motorola PCS
>> Device Descriptor:
>> bLength 18
>> bDescriptorType 1
>> bcdUSB 1.10
>> bDeviceClass 0 (Defined at Interface level)
>> wMaxPacketSize 0x0010 1x 16 bytes
>> bInterval 1
>>
>> dmesg:
>> [75641.160127] usb 1-1: new full speed USB device using ohci_hcd and
>> address 8
>> [79528.612575] usb 1-1: configuration #1 chosen from 1 choice
>> [79528.614367] usb 1-1: New USB device found, idVendor=22b8, idProduct=4061
>> [79528.614376] usb 1-1: New USB device strings: Mfr=0, Product=0,
>> SerialNumber=1
>> [79528.614380] usb 1-1: SerialNumber: MySerialNumber
>>
>> but there is no /dev/ttyAM0 interface so i could use it with kmobiletools
>>
> show us 'ls /dev/ttyACM*'
Maybe udev isn't creating /dev/ttyACM0?
--
Ron Johnson, Jr.
Jefferson LA USA
"Do not bite at the bait of pleasure till you know there is no
hook beneath it." -- Thomas Jefferson
Santanu Chatterjee
>
> but there is no /dev/ttyAM0 interface so i could use it with kmobiletools
I don't know about the particular motorola mobile you have, but IIRC,
some Motorola mobiles have a setting (within the mobile interface dealing
with how to use it with a computer via the data cable) that needs to be
set to (something like) "data cable" (the default being "memory card").
In your case, it is probably set to use the memory card when connected
to the PC. When you set it to use the data cable, instead of the memory
card, you should be able to use the serial interface (ttyACM0).
I am not sure though that this is indeed the case here. (In my case, it was
a Motorola L7 Mobile).
Regards,
Santanu Chatterjee