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DSP28335 serial port interruption problem [Copy link]

One board uses the 28335 SCIC serial port to expand RS422 through ADM2582, and the other board stm32F407 microcontroller uses the same chip to expand the 422 serial port.

There is no problem for the two MCU boards to communicate with the computer respectively, and the computer uses U to serial port.

However, when these two MCU boards communicate with each other, the serial port interrupt of the 28335 board cannot be entered. Reinitialize the serial port or power on the 28335 board, and the serial port will be normal.

Please help me, has anyone encountered this or know how to solve it?

This post is from DSP and ARM Processors

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  Details Published on 2019-6-24 10:31
 

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Check the handling of sci receive overflow error

This post is from DSP and ARM Processors
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