#include "mc8051fun.h" void setpin_lo(i8051pin_T *pin) { switch(pin->port){ case 0: P0 &= (1<pin) ^ 0xFF; break; case 1: P1 &= (1<pin) ^ 0xFF; break; case 2: P2 &= (1<pin) ^ 0xFF; break; case 3: P3 &= (1<pin) ^ 0xFF; break; } }