FSL-UT-USB-017-3G-Modem-Basic-Test
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|====================================================================
|Name | Description

| Summary |
USB 3G modem basic test

| Automated |
Yes

| Kernel Config Option |

| Software Dependency |
N/A

| Non-default Hardware Configuration |
N/A

| Test Procedure |
1. make menuconfig
   select "USB serial Converter support"
   and the "USB Generic Serial Driver" & "USB driver for GSM and CDMA modems" under item
   "USB serial Converter support"
2. make uImage
3. board power up and load kernel
4. verify ttyUSB* exist under /dev
5. run the following to receive 3G modem's response
   cat /dev/ttyUSB0 &
   cat /dev/ttyUSB1 &
6. send AT command to 3G modem
   echo "ATI^M" > /dev/ttyUSB1
7. some response will be received like below:
"ATI

Manufacturer: huawei

Model: EM770W

Revision: 11.126.10.85.00

IMEI: 357030027133509

+GCAP: +CGSM,+DS,+ES"

Note: the detailed further AT command can refer to http://www.roman10.net/how-to-use-modem-at-commands-for-usb-modem-at-linux/
   currently, only ATI command is OK

| Expected Result |
Some response can be received.

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