lpc845-ring buffer debug

[Sathiya_T]

Hi,

am using lpc845 controller in 64 pin package, when using the SDK example of USART ring buffer project in debugging mode.Here I attached the screenshot and that the pointing while loop is hold sometime please explain about the reason and why it occur, because i cant read the status of  rx buffer data.its not entered to the receive functionality in sdk example code 

[Harry_Zhang]

Hi @Sathiya_T 

Please refer to usart_transfer_ring_buffer example readme.

HangZhang_0-1718072297891.png

***Note:*** Board will not immediately return each character to terminal emulator until
all 8 characters are all entered.

HangZhang_1-1718072383557.png

It waited for all 8 of his inputs to be completed before entering the interrupt.

Hope this will help you.

BR

Hang