Set clock polarity in software SPI implementations - #1224
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Indeed I also have some doubts. You are probably right, that there is something missing, but wouldn't your implementation lead to an additional transition? Other question is: Which display did cause problems here? |
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Set the clock polarity in software SPI implementations; previously CPOL was always 0.
I have only implemented this as a PoC for Arduino 4 wire software SPI so far, since I am not sure if I understand the differing implementations well enough and lack the required test setups; so please take this with a grain of salt.