UMTS/HSPA Module Series
WCDMA UGxx FILE AT Commands Manual
WCDMA_UGxx_FILE_AT_Commands_Manual Confidential / Released 10 / 19
4)
MCU receives this „A‟ and then sends the next 1K bytes data;
5) Repeat step 3) and 4) until the transfer is completed.
2.5. AT+QFDWL Download the File from the Storage
AT+QFDWL downloads the file from the module storage.
Parameter
1.
“+++” sequence will cause TA to end the command and switch to command mode.
2. <checksum> is a 16 bit checksum based on bitwise XOR.
AT+QFDWL Download the File from the Storage
Test Command
AT+QFDWL=?
Response
+QFDWL: <file_name>
OK
Write Command
AT+QFDWL=<file_name>
Response
CONNECT
TA switches to data mode, and the bin data of the file will be
outputted. When the file is read over, TA will return to
command mode and reply the following codes:
+QFDWL: <download_size>,<checksum>
OK
or
+CME ERROR: <err>
<file_name>
The name of the file to be downloaded. The max length is 80 letters
“RAM: <file_name>” The downloaded file in RAM
<download_size>
The size of the downloaded data
<checksum>
The checksum of the downloaded data
<err>
The error code from the module (see the
Appendix A)
NOTES
Quectel
Confidential