跪求普通IO定时器产生下图波形，节省代码存储空间，寄存器最好是8位的，我自己做出来了，但是占空间大~~

程功之道 · 发表于 2017-8-11 18:00:11

我自己写了个程序，虽然实现了一模一样的波形，但是占存储空间很大，还有十几个这样的波形呢，我只做了3个，空间就用了百分之20多。

if(r_PWM_t < 26) //1个
{
Motor = 0;
}
else if(r_PWM_t <= 73)
{
r_PWM_3t++;
if(r_PWM_3t == 5)
{
r_PWM_3t = 0;
b_t = 1;
}
if(b_t)
{
b_t = 0;
Motor = ~Motor;
}
}
else if(r_PWM_t < 99) //2个
{
Motor = 0;
}
else if(r_PWM_t <= 146)
{
r_PWM_3t++;
if(r_PWM_3t == 5)
{
r_PWM_3t = 0;
b_t = 1;
}
if(b_t)
{
b_t = 0;
Motor = ~Motor;
}
}
else if(r_PWM_t < 172) //3个
{
Motor = 0;
}
else if(r_PWM_t <= 219)
{
r_PWM_3t++;
if(r_PWM_3t == 5)
{
r_PWM_3t = 0;
b_t = 1;
}
if(b_t)
{
b_t = 0;
Motor = ~Motor;
}
}
else if(r_PWM_t < 245) //4个
{
Motor = 0;
}
else if(r_PWM_t <= 292)
{
r_PWM_3t++;
if(r_PWM_3t == 5)
{
r_PWM_3t = 0;
b_t = 1;
}
if(b_t)
{
b_t = 0;
Motor = ~Motor;
}
}
else if(r_PWM_t <= 302)
{Motor = 0;}

else if(r_PWM_t <= 307)
{b_1t = 1;}
else if(r_PWM_t <= 312)
{
Motor = 1;
b_1t = 0;
}

else if(r_PWM_t <= 317)
{b_1t = 1;}
else if(r_PWM_t <= 322)
{
Motor = 1;
b_1t = 0;
}

else if(r_PWM_t <= 327)
{b_1t = 1;}
else if(r_PWM_t <= 332)
{
Motor = 1;
b_1t = 0;
}

else if(r_PWM_t <= 337)
{b_1t = 1;}
else if(r_PWM_t <= 342)
{
Motor = 1;
b_1t = 0;
}

else if(r_PWM_t <= 346)
{b_1t = 1;}

if(r_PWM_t > 346)
{
r_PWM_t = 0;
b_1t = 0;
}
}
if(b_1t)
{
if(r_PWM_4t > 1)
{Motor = 0;}
else {Motor = 1;}
if(r_PWM_4t > 12)
{r_PWM_4t = 0;}
}