UART EAT_trace of sdk not responding

i am using sim800c sdk files for sms, uart
i have connected both UART port of sim800c module to usb to ttl
but i am not getting any transmitted data
how can i resolve this?

Havent tried EAT yet. Go through forum, there were some queries asked about EAT, they might help.

i have solved the issue by uncomment the lines for debug i.e.EAT_DEBUG_STRING_INFO_MODE
and made some changes in app_fnc_ext1 by calling the eat_uart_set_debug_config(uart_mode,cfg) function

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Glad it worked. Thanks for sharing the solution