AM62x MCU+ SDK  09.02.00


This example demonstrates the UART RX and TX operation in blocking, interrupt mode of operation. This example receives 8 characters and echos back the same. The application ends when the user types 8 characters.

To modify the example to use main domain UART, refer Accessing main and wakeup domain peripherals from MCU domain

Supported Combinations

Parameter Value
CPU + OS m4fss0-0 nortos
r5fss0-0 freertos
Toolchain ti-arm-clang
Board am62x-sk, am62x-sk-lp, am62x-sip-sk
Example folder examples/drivers/uart/uart_echo

Steps to Run the Example

As the wake-up R5 is the device manager, it needs to be started by the SBL. So it can not be loaded through CCS. It should be flashed and booted through SBL.

See Also


Sample Output

Shown below is a sample output when the application is run, Please note that application prints in both CCS and UART console. In UART console you need to enter 8 characters.

CCS Console:

[MAIN_Cortex_R5_0_0] [UART] Echo example started ...
All tests have passed!!

UART Console:

This is uart echo test blocking mode
Receives 8 characters then echo's back. Please input..
All tests have passed!!