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stc89c52驅(qū)動(dòng)無刷電調(diào),電機(jī)一直沒反應(yīng),以前是用32驅(qū)動(dòng)能正常驅(qū)動(dòng),但是最近32燒了,繼續(xù)用51頂一下暫用,但是這段代碼一直無法正常驅(qū)動(dòng)單片機(jī),求大神幫幫忙,下面部分是單片機(jī)程序
#include <REGX52.H
sbit Motor1=P1^0;
sbit Motor2=P1^1;
unsigned char RecieveByte;
unsigned char Counter,CompareL,CompareR; //計(jì)數(shù)值和比較值,用于輸出PWM
/**
* @brief 定時(shí)器0初始化,2us@12.000MHz
* @param 無
* @retval 無
*/
void Timer0_Init(void) //2微秒@11.0592MHz
{
TMOD &= 0xF0; //設(shè)置定時(shí)器模式
TL0 = 0xEA; //設(shè)置定時(shí)初始值
TH0 = 0xFF; //設(shè)置定時(shí)初始值
TF0 = 0; //清除TF0標(biāo)志
TR0 = 1; //定時(shí)器0開始計(jì)時(shí)
ET0=1;
EA=1;
PT0=0;
}
void UART_Init(void) //9600bps@11.0592MHz
{
PCON &= 0x7F; //波特率不倍速
SCON = 0x50; //8位數(shù)據(jù),可變波特率
TMOD &= 0x0F; //清除定時(shí)器1模式位
TMOD |= 0x20; //設(shè)定定時(shí)器1為8位自動(dòng)重裝方式
TL1 = 0xFD; //設(shè)定定時(shí)初值
TH1 = 0xFD; //設(shè)定定時(shí)器重裝值
ET1 = 0; //禁止定時(shí)器1中斷
TR1 = 1; //啟動(dòng)定時(shí)器1
EA=1;
ES=1;
PS=1;
}
void Delay(unsigned int xms)
{
unsigned char i, j;
while(xms--)
{
i = 2;
j = 239;
do
{
while (--j);
} while (--i);
}
}
void forwardquickly()
{
CompareL=50;
CompareR=50;
}
void forward()
{
unsigned char i=30;
for(i=0;i<40;i++)
{
CompareL=i;
CompareR=i;
Delay(50);
}
}
void left()
{
CompareL=20;
CompareR=10;
}
void right()
{
CompareL=10;
CompareR=20;
}
void stop()
{
CompareL=0;
CompareR=0;
}
void main()
{
Timer0_Init();
UART_Init();
while(1)
{
}
}
void Timer0_Routine() interrupt 1
{
TL0 = 0xEA; //設(shè)置定時(shí)初始值
TH0 = 0xFF; //設(shè)置定時(shí)初始值
Counter++;
Counter%=100; //計(jì)數(shù)值變化范圍限制在0~99
if(Counter<CompareL) //計(jì)數(shù)值小于比較值 左邊螺旋槳電機(jī)
{
Motor1=1; //輸出1
}
else //計(jì)數(shù)值大于比較值
{
Motor1=0; //輸出0
}
if(Counter<CompareR) //計(jì)數(shù)值小于比較值 右邊螺旋槳電機(jī)
{
Motor2=1; //輸出1
}
else
{
Motor2=0; //輸出0
}
}
void UART_Routine() interrupt 4
{
if(RI==1)
{
RecieveByte=SBUF;//將接受到的數(shù)據(jù)賦值給RecieveByte
switch(RecieveByte)//進(jìn)行數(shù)據(jù)處理,執(zhí)行相對(duì)應(yīng)的操作
{
case '1':forwardquickly();P2_0=0;break;
case '2':forward();P2_1=0;break;
case '3':stop();P2_2=0;break;
case '4':left();P2_3=0;break;
case '5':right();P2_4=0;break;
}
RI=0;
}
}
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