Example: Write Message to TXFIFO Using Interrupt Method

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

Document ID
UG1085
Release Date
2022-09-15
Revision
2.3 English

In interrupt mode, writes can continue until can.ISR[TXFLL] generates an interrupt.

Messages can be continuously written to the TXFIFO until the TXFIFO is full. When the TXFIFO is full, the can.ISR[TXFLL] and can.SR[TXFLL] are set to 1. When the TXFIFO is empty, can.ISR[TXFEMP] is set to 1.