SPI to USB converter.

Hello everyone,

I am currently used a USB to SPI converter for some Sensor.
Node is automatically created 

[ 1782.501777] usb 1-1.1: new full speed USB device using ehci_hcd and
address 17
[ 1782.590544] usb 1-1.1: New USB device found, idVendor=04d8,
idProduct=ffee
[ 1782.590553] usb 1-1.1: New USB device strings: Mfr=1, Product=2,
SerialNumber=3
[ 1782.590558] usb 1-1.1: Product: USB-ISS.
[ 1782.590562] usb 1-1.1: Manufacturer: Devantech Ltd.
[ 1782.590566] usb 1-1.1: SerialNumber: 00019622
[ 1782.755107] cdc_acm 1-1.1:1.0: This device cannot do calls on its own.
It is not a modem.
[ 1782.755139] cdc_acm 1-1.1:1.0: ttyACM0: USB ACM device
[ 1782.756268] usbcore: registered new interface driver cdc_acm
[ 1782.756272] cdc_acm: v0.26:USB Abstract Control Model driver for USB
modems and ISDN adapters


But no able to send any command or procedure to send and received a byte
using C/C++.


Thanks in Advace

Do Devantech give any example code on how to use their device?

Hello davef,

I have follow these sample code read some information of firmware version
and etc. but Some time send 4 to 5 times of same command.