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tadtruex / PiPico

Bare metal pi-pico stuff
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Bench Validation of sample rate #8

Closed tadtruex closed 1 year ago

tadtruex commented 1 year ago

Let's see it.

tadtruex commented 1 year ago

99dc201c050cb859ec883ca32f01378d477b88e4 establishes as 28us clock on pin GP4.

This uses the timer to generate the tick (and exposes a bug somewhere hw/sw, not sure yet. If we really need a 28.2 us tick, we'll need to use systck at 3525. Not sure what else might depend on SYSTCK.

tadtruex commented 1 year ago

Could also potentially use a PWM which would allow us to avoid probing the depths of the sdk.