USART/CAN notes

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Morgan 'ARR\!' Allen 2022-09-01 17:42:13 -07:00
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@ -18,6 +18,11 @@ https://github.com/mattthebaker/Smoothieware-CHMT
In this approach the entire head unit will be bypassed. Ideally this could be accomplished by In this approach the entire head unit will be bypassed. Ideally this could be accomplished by
utilizing the existing IDC connector on the power/comm sub-board. utilizing the existing IDC connector on the power/comm sub-board.
# 'CAN Bus'
Communication is done over the VP230 CAN Transceiver, though it doesn't look to be real CAN.
Instead the STM32 USART1 is connected so it's doing Syncronous UART over CAN. So it's really
just using the VP230 for differential signaling.
# Reading # Reading
https://www.eevblog.com/forum/manufacture/neoden-tm245p-teardown-and-upgrade/ https://www.eevblog.com/forum/manufacture/neoden-tm245p-teardown-and-upgrade/