AT Commands Set

SIM5320 AT Command Set
OK
Defined values
File name of delta package (string type). must be double quoted.
Please refer to “NOTE” section for more detail.
The error code of writing delta package.
0 The delta package does not exist
1 Error occurs when reading delta package
2 Error occurs when writing delta package to FOTA partition
3 Set the flag of updating unsuccessfully
Examples
AT+CDELTA=?
OK
AT+CDELTA=”delta_1_2.mld”
+CDELTA: 1
OK
NOTE:
1. Delta package can be resided in the module or T Flash card, this command will lookup the package
under current directory. BTW you can use +FSCD to change current directory.
2. After the command finished one need to reset the module to start the updating process, during the
process the status led will blink for attention. Please refer
“SIM52xx_Delta_Package_Update_Application_note_V0.01.doc” for more detail.
7.18 AT+CDIPR Set UART baud rate
Description
The command sets UART baud rate when upgrade firmware through UART.
NOTE:
1. This command depends on which baud rate is set by AT+IPR and download tool.
2. Before using download tool to upgrade firmware through UART, one must use AT+CUDIAG to
change UART service for download.
3. The baud rate will be saved as long as this command is executed.
4. Please refer to the document about download firmware through UART, in order to get more
usage of this command.
SIM PIN References
NO Vendor
SIM5320_ATC_V1.24 176
8/14/2012