CYAPA_TOUCH_P
CYAPA_TOUCH_P(regs, i));
if (CYAPA_TOUCH_P(regs, i) < cyapa_minpressure)
CYAPA_TOUCH_P(regs, i) < cyapa_minpressure) {
CYAPA_TOUCH_P(regs, j) < cyapa_minpressure) {
CYAPA_TOUCH_P(regs, i));