电机转速测量系统(12)

P2 |= 0xF0;

LED_SEG2 = 0;

LED_DAT = table[Disbuf[2]];

Delay(1);

P2 |= 0xF0;

LED_SEG3 = 0;

LED_DAT = table[Disbuf[3]];

Delay(1);

P2 |= 0xF0;

}

//计算转速，并把结果放入数码管缓冲区

void ClacSpeed()

{

uint speed ;

uint PlusCounter;

PlusCounter = TH1*256 + TL1;

speed = K*(PlusCounter/PLUS_PER)/60;//K是校准系数，如速度不准，调节K的大小

Disbuf[0] = (speed/1000)%10;

Disbuf[1] = (speed/100)%10;