Hi @jingfang
Yes, the CAN module in the S9S12G128 microcontroller does support interrupts. The CAN module has several interrupt sources including: Receive Buffer Full, Transmit Buffer Empty, Error, and Wakeup. These interrupts can be individually enabled or disabled by setting or clearing the corresponding bits in the CAN Control Register (CANCTL1).
Here is a simple code snippet that shows how to enable the Receive Buffer Full interrupt:
CANCTL1 |= CANCTL1_RIE_MASK; // Enable Receive Buffer Full interrupt
And here is how to disable it:
CANCTL1 &= ~CANCTL1_RIE_MASK; // Disable Receive Buffer Full interrupt
Remember to also set up an interrupt handler to process the interrupt. The exact method for doing this will depend on your development environment and the specific requirements of your application.
For more detailed information, you can refer to the S9S12G128 CAN module interrupts discussion on the community forum, and the S9S12G128 Reference Manual which provides a comprehensive guide to all the features of the S9S12G128 microcontroller, including the CAN module and its interrupt capabilities.
