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tests/ports/rp2/rp2_dma.py: Tweak test to be more reliable.

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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>
This commit is contained in:
Damien George 2024-01-30 12:44:25 +11:00
parent 807c25d05a
commit 2d7fb9a715
2 changed files with 3 additions and 3 deletions
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4
tests/ports/rp2/rp2_dma.py
View File

@ -62,7 +62,7 @@ dma.write = dest
dma.count = len(dest) // 4 dma.count = len(dest) // 4
dma.ctrl = dma.pack_ctrl() dma.ctrl = dma.pack_ctrl()
dt = run_and_time_dma(dma) dt = run_and_time_dma(dma)
print(60 <= dt <= 90) print(70 <= dt <= 110)
print(dest[:8], dest[-8:]) print(dest[:8], dest[-8:])
dma.close() dma.close()
@ -80,7 +80,7 @@ dma.close()
print("# test irq") print("# test irq")
dest = bytearray(1024) dest = bytearray(1024)
dma = rp2.DMA() dma = rp2.DMA()
dma.irq(lambda _: print("irq fired")) dma.irq(lambda dma: print("irq fired", dma.irq().flags()))
dma.config( dma.config(
read=src, write=dest, count=len(dest) // 4, ctrl=dma.pack_ctrl(irq_quiet=0), trigger=True read=src, write=dest, count=len(dest) // 4, ctrl=dma.pack_ctrl(irq_quiet=0), trigger=True
) )

2
tests/ports/rp2/rp2_dma.py.exp
View File

@ -12,5 +12,5 @@ bytearray(b'\x00\x01\x02\x03\x04\x05\x06\x07') bytearray(b'\xf8\xf9\xfa\xfb\xfc\
# test immediate trigger # test immediate trigger
bytearray(b'\x00\x01\x02\x03\x04\x05\x06\x07') bytearray(b'\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff') bytearray(b'\x00\x01\x02\x03\x04\x05\x06\x07') bytearray(b'\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff')
# test irq # test irq
irq fired irq fired 1
bytearray(b'\x00\x01\x02\x03\x04\x05\x06\x07') bytearray(b'\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff') bytearray(b'\x00\x01\x02\x03\x04\x05\x06\x07') bytearray(b'\xf8\xf9\xfa\xfb\xfc\xfd\xfe\xff')