© Copyright LM Technologies Ltd Page 34 of 41
www.lm-technologies.com
User Manual for “LM068_BLE_Peri_0204” FW
iv. After LM device outputs the string “Ready For OTA file receive...”
then user can start sending the file over UART.
v. Once LM device starts receiving the file, it keeps updating the
status messages on the UART for upgrade progress.
vi. After sending of new firmware image is completed, the LM device
will process it internally and this might take around 20 seconds.
During this time there should be no characters received by LM
device on Rx line otherwise the received characters are considered
as part of new image and upgrade procedure may fail.
vii. Refer below scenario where Firmware upgrade is successful. After
the upgrade procedure is successful, the LM device will reboot
itself with the new image and show the power on messages and
LED sequence.
at*upgradeint=?at*upgradeint=?
OK
REP*:UPGRADEINT=UART
AT*uartconf=?AT*uartconf=?
OK
REP*:UART_CONFIG=UART_THROUGHPUT
at*upgrade=LMUPDATEV_068LM_SPP+GAPCEN_0115at*upgrad
e=LMUPDATEV_068LM_SPP+GAPCEN_0115
OK
Upgrade Interface is UART.
Ready For OTA file receive...PTN2 Sign_OK
SinkClosed V_Pass_2SPP+GapCentral_Message_Loop
To Next Page
Loading...