Unable to communicate between host [i.mxrt] & device [Quectel EC200U] with USB Protocol
* We have a Custom Board [i.mxrt1170] with quectel module[EC200U] mounted on it.
* Communication b/w host[i.mxrt] & device [EC200U] using UART working fine.
* But while using USB Protocol we are unable communicate.
-We tested externally by connecting the device[EC200U] through the PC [USB],
tera term as the input source for AT Commands, & we got the response from device.
* Below is the error log we are getting.
- host init done
enumeration failed
- host init done
device cdc attached
pid = 0x901
vid = 0x2c7c
address = 1
cdc device attached
data transfer error = 0, status
set control interface error