Example: Write Message to TXFIFO Using Interrupt Method

Zynq UltraScale+ Device Technical Reference Manual (UG1085)

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2.4 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.