Quectel BG96 At Command Manual

LTE Module Series
BG96 FILE AT Commands Manual
BG96_FILE_AT_Commands_Manual 12 / 22
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.
2.6. AT+QFOPEN Open a File
The command can be used to open a file and get the file handle to be used in commands such as
AT+QFREAD, AT+QFWRITE, AT+QFSEEK, AT+QFPOSITION, AT+QFTUCAT and AT+QCLOSE.
Parameter
“<filename>” Name of the UFS file to be downloaded.
<download_size> The size of the downloaded data. Unit: byte.
<checksum> The checksum of the downloaded data.
<err> An error code relating to ME or network. Please refer to Chapter 4 for details.
AT+QFOPEN Open a File
Test Command
AT+QFOPEN=?
Response
+QFOPEN: <filename>[,(0-2)]
OK
Read Command
AT+QFOPEN?
Response
+QFOPEN: <filename>,<filehandle>,<mode>
[+QFOPEN: <filename>,<filehandle>,<mode>
[…]]
OK
Write Command
AT+QFOPEN=<filename>[,<mode>]
Response
+QFOPEN: <filehandle>
OK
If there is any error:
+CME ERROR: <err>
<filename> Name of the file to be opened. The maximum length is 80 bytes.
“<filename>” Name of the UFS file to be opened.
<filehandle> The handle of the file. The data type is 4 bytes.
<mode> The open mode of the file.
0 If the file does not exist, it will be created. If the file exists, it will be directly
NOTES

Quectel BG96 Specifications

General

Category	LTE Cat M1/Cat NB1/EGPRS Module
Chipset	Qualcomm MDM9206
LTE FDD Bands	B1/B2/B3/B4/B5/B8/B12/B13/B18/B19/B20/B26/B28
GSM	850/900/1800/1900MHz
Operating Temperature	-40°C to +85°C
Dimensions	23.6mm × 19.9mm × 2.2mm
GNSS	GPS/GLONASS/BeiDou/Galileo/QZSS
LTE TDD Bands	B39
LTE Cat M1 Data Rate	375 kbps (DL), 375 kbps (UL)
LTE Cat NB1 Data Rate	32 kbps (DL), 70 kbps (UL)
EGPRS Data Rate	296 kbps (DL), 236.8 kbps (UL)
Storage Temperature	-45°C ~ +90°C
Interfaces	UART, USB, PCM, ADC, GPIO
SIM Interface	1.8V/3V
Protocols	TCP/UDP/PPP/FTP/HTTP/MQTT/CoAP
Certifications	CE, FCC, PTCRB