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Buttons for sending Can Frame

Siwyzg
Associate

‎2023-12-20 9:39 AM

Hello . I need to send 6 different 8-bit frames via Can to an external device using buttons. I will connect either 6 buttons to the GPIO inputs to stm32f407. 1 frame 8 bit. How to do it. Could someone help me with this?

 

 It's about adding buttons to the code and teeth and configuration with can.. can already works.

 

 

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Tesla DeLorean
Guru

‎2023-12-20 11:03 AM

Find the pins you need on the board, you don't specify any details on the board. Configure as GPIO inputs, pull-up as necessary.

Use GPIO + EXTI to get interrupts, or scan in 1 KHz tick. Perhaps debounce, and flag message(s) for transmission.

Perhaps use a key pad, or one connecting via I2C.

Or boards based on the TM1638 chip?   https://pmdway.com/products/tm1638-numeric-display-led-input-board

Discuss with the person who set the assignment.

 

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