rising-edge latching of bit field

gistfile1.c

void controlGroupLatch() {
  uint16_t mask;
  uint16_t state = controlGroupToggle[0];
  // Only care about the first mux bank at the moment
  mask = ~lastMuxState[0] & muxState[0]; // Mask of all changed inputs
  mask = mask & muxState[0]; // Mask of changed inputs that are now high
  state = state ^ mask; // Apply mask to toggle state
  controlGroupToggle[0] = state;
}