Example; Upload And Download Files; Upload The File; Non Ack Mode - Quectel WCDMA UG FILE Series At Command Manual

UMTS/HSPA Module Series
WCDMA UGxx FILE AT Commands Manual
3

Example

3.1. Upload and Download Files

3.1.1. Upload the File

3.1.1.1. Non ACK Mode

//Upload the text file "RAM:test1.txt" to RAM.
AT+QFUPL="RAM:test1.txt",10
CONNECT
<input file bin data>
+QFUPL: 10,613e //Get the bytes of the uploaded data and the checksum.
OK

3.1.1.2. ACK Mode

The ACK mode can make the data transmission more reliable. When transmitting the large file without
hardware flow control, the ACK mode is used to prevent the data from being lost. About the ACK mode,
please refer to the details of "AT+QFUPL".
//Upload the text file "RAM:test.txt" to RAM.
AT+QFUPL="RAM:test.txt",3000,5,1
CONNECT
<input file bin data of 1024bytes>
A //After receiving 1024bytes data, the module will respond
an "A", then next 1024 bytes data can be inputted.
<input file bin data of 1024bytes>
A
<input the rest file bin data>
+QFUPL: 3000,B34A
OK
WCDMA_UGxx_FILE_AT_Commands_Manual Confidential / Released 16 / 19