Lines Matching defs:us
118 void delayMicroseconds(unsigned int us)
122 //delay_us(us);
128 // of the function call yields a delay of approximately 1 1/8 us.
129 if (--us == 0)
135 us <<= 2;
138 us -= 2;
144 // subtract two, since us is unsigned; we'd overflow.
145 if (--us == 0)
147 if (--us == 0)
153 us <<= 1;
157 us--;
163 "brne 1b" : "=w" (us) : "0" (us) // 2 cycles