The timing of the DMA transfer can vary a bit, so tweak the allowed values. Also test the return value of `rp2.DMA.irq.flags()` to make sure the IRQ is correctly signalled. Signed-off-by: Damien George <damien@micropython.org>
The timing of the DMA transfer can vary a bit, so tweak the allowed values. Also test the return value of `rp2.DMA.irq.flags()` to make sure the IRQ is correctly signalled. Signed-off-by: Damien George <damien@micropython.org>