STM32HWEncoder step/dir#97
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* Added calibration for difference in the total range of each sensor from XieMaster's version, optimized to a single multiply. * Added option for 60° and 120° sensor spacing. * Added wait for first valid sensor readings in init, for some custom ADC setups. * Changed private to protected and moved getSensorAngle there, better matching other sensor classes. * Moved documentation from the header to a readme file.
One more tidbit of insurance for custom ADC setups to not get a bad first reading, e.g. if you have a DMA buffer full of data, change the sampling sequence, and then call this function immediately before the buffer has been overwritten with samples in the new order.
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Memory usage change @ 57b0ccf
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The only difference between setting up a timer for AB encoder counting or step/dir counting is the encoder mode, so I added a variable to allow setting it. Tested and working with signals from a GRBL board.