/* debounce() sets debounced and returns debouncedChanged. All variables are bitwise. For parameter, 1 means pressed, 0 means released. For return, 1 means debounced changed. */ #include "Row.h" /* process() scans the row and calls any newly pressed or released keys. */ void Row::process(const bool activeHigh) { //these variables are all bitwise, one bit per key uint8_t rowState; //1 means pressed, 0 means released uint16_t rowEnd; //1 bit marks positioned after last key of row uint8_t debouncedChanged; //1 means debounced changed wait(); scan(activeHigh); //save column-port-pin values to portState rowState = getRowState(rowEnd, activeHigh); //debouncedChanged = debounce(rowState); debouncedChanged = debouncer.debounce(rowState, debounced); pressRelease(rowEnd, debouncedChanged); }