MPC5xxxのトピックUART Tx Observation

UART Tx Observation

archansathe — Tue, 01 Sep 2015 07:04:06 GMT

Hello, I am using MPC5604B. I am continuously transmitting UART frames in polling mode (LINFlex_4) and receiving frame using interrupt mode. Randomly at some time, Tx stops. DTF flag is not set. I can see the data to be sent in BDRL register but it does n

Re: UART Tx Observation

martin_kovar — Tue, 01 Sep 2015 07:55:14 GMT

Hi,

please send the code with UART initialization and data sending.

Regards,

Martin

Re: UART Tx Observation

archansathe — Thu, 03 Sep 2015 04:07:39 GMT

Hello Thanks for reply.
When I dig more in the code, I found Tx is getting stopped because I am getting a software reset. But before reset I observe lot of unexpected (Data Storage) interrupts are coming. What could be the reasons for these interrupts? When this interrupt occurs?

Re: UART Tx Observation

martin_kovar — Thu, 03 Sep 2015 06:16:27 GMT

Hi,

Which bits in LINIER register you have set? Which interrupt flag is set?

Regards,

Martin