In STM32F103, CAN data was not sent. Help Me

I received CAN data successfully but when I send CAN data, there was some error shown.

My Code is,

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Principal

Come on man, your code is in a pdf file without any format.

If you want people to help take 1 minute to explain it or to lay it out....

What kind of developing ide are you using , are you using arduino and a bluepill?

Explain your setup a bit, how are you testing it? how do you know its failing? where is that log captured image comming from.?

hit me up in https://www.linkedin.com/in/javiermuñoz/

Associate

I'm using STM32F103 Controller and MCP2551 module.

It's not a blue pill board but it's almost similar.

I'm using Arduino IDE for boot loading the controller.

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