board: Add support for UNO Q #210
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@pillo79 can you send it as a different PR? (and remove from this branch) |
Take into account the analog switch
Use RBIT intrinsic (if available) instead of the slow software reverse. Note that RBIT is at least ~2x faster: Reverse Function Benchmark ========================== Current implementation: 18 ms Optimized implementation: 8 ms Speedup: 2.25x Signed-off-by: iabdalkader <[email protected]>
The main optimization eliminates the double MODER register write when on=true. Previously: MODER &= ~(0xFFFFFF) then MODER |= pin_bits (two writes) Now: MODER = 0 when off, or MODER = pin_bits when on (single write each) Otherwise, the compiler is already doing a pretty good job. Additional improvements: - Remove unused idxToPin() function (was just returning idx) - Remove unused reverse() function - Use direct pin array access and bit shifts for efficiency Signed-off-by: iabdalkader <[email protected]>
this commit can be reverted as soon as the libraries are added to library manager
#203 was already opened a few weeks ago, this commit being included was a leftover from all the rebases during the Uno Q release process. Fixed! |
Thanks Luca! |
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