Danny Staple
27 lines
658 B
Python
27 lines
658 B
Python
"""Sometimes, you need to debug a register.
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Note - ISR content is destroyed.
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It'll cost a few instructions to do."""
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import rp2pio
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import adafruit_pioasm
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import array
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program = """
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.program debug_register
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set y, 21 ; set a value in y
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; now send it to be printed
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mov isr, y ; copy the register you need to dump into the ISR
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push noblock ; and use PUSH to put it on the receive FIFO
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"""
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assembled = adafruit_pioasm.assemble(program)
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## set up a statemachine
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sm = rp2pio.StateMachine(assembled, frequency=2000)
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buffer = array.array("I", [0])
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# read the data
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sm.readinto(buffer)
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print("{0} 0b{0:032b}".format(buffer[0]))
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