哪位大神指点一下，网上的程序烧录进单片机没反应，也不知道哪里错了 -

标题: 哪位大神指点一下，网上的程序烧录进单片机没反应，也不知道哪里错了 [打印本页]

作者: liu2454004961 时间: 2023-12-6 13:47
标题: 哪位大神指点一下，网上的程序烧录进单片机没反应，也不知道哪里错了
sfr P3             = 0xB0;
sfr LEDWTML       = 0xce;
sfr LEDWTMH       = 0xcf;
sfr LEDAT1       = 0xc7;
sfr PWMEN          = 0x90;
sfr PWM2DIVL       = 0xad;
sfr PWM2DIVH       = 0xae;
sfr PWM2DUTL       = 0x9f;
sfr PWM2DUTH       = 0x91;
sfr PWM2CKD       = 0xb3;
sfr PWM2CON       = 0xbb;
sfr LEFLG          = 0xbf;
#define CKCON (*(unsigned char volatile xdata *)0x8030)
#define P34F  (*(unsigned char volatile xdata *)0x801C)
#define LEDUTL (*(unsigned char volatile xdata *)0x8060)
#define LEDUTH (*(unsigned char volatile xdata *)0x8061)
#define PWMIE(N) (N<<7) //N=0-1
#define PWMTOG(N) (N<<6) //N=0-1
#define PWMMOD(N) (N<<3) //N=0-7
#define PWMPOL(N) (N<<2) //N=0-1
#define PWMCKS_SYS 0
#define PWMCKS_IL 1
#define PWMCKS_IH 2    //LEFLG
#define LEF1 (1<<3)
#define LEBSY1 (1<<2)
#define IHCKE (1<<7)
void PWM_init(void)
{
P3 =16;
P34F = 5; //设置 P34 为 PWM 引脚功能
CKCON |= IHCKE; //打开 IRCH 时钟
PWM2DIVH = 0; //设置位周期时间
PWM2DIVL = 20;
PWM2DUTH = 0; //设置位码 0 时间
PWM2DUTL = 6;
LEDUTH = 0; //设置位码 1 时间
LEDUTL = 13;
PWM2CON = PWMIE(0) | PWMTOG(0) | PWMMOD(3) | PWMPOL(0) | PWMCKS_IH; //设置IRCH 为PWM时钟源，发送 3 个字节后插入暂停时间
PWM2CKD = 0; //设置预分频系数，设置为 0 表示不分频
LEDWTMH = 0; //设置暂停时间
LEDWTML = 50;
PWMEN |= (2<<2); //PWM2 使能
}
code unsigned char LED_DAT[][3] = //LED 数据表
{
{0xff,0x00,0x00},
{0xff,0xff,0x00},
{0x00,0xff,0x00},
{0x00,0xff,0xff},
{0x00,0x00,0xff},
{0xff,0x00,0xff},
};
void main(void)
{
unsigned char i;
unsigned char color_index=0;
PWM_init();
while(1)
{
for(i=0;i<24;i++) //每级 RGB LED 为 3 个字节数据，8 级为 24 字节
{
while(LEFLG & LEBSY1); //等待数据全部发送
LEDAT1 = LED_DAT[color_index][i%3]; //写入 LED 数据到 LEDAT 寄存器
}
color_index ++; //循环变色
if(color_index> 6) color_index =0;
}
  }

作者: lkc8210 时间: 2023-12-7 09:36
啥芯片?
预期反应是啥？
没反应又是啥？

作者: liu2454004961 时间: 2023-12-12 14:49
1.“PWMEN |= (2<<2); //PWM2 使能” 改为 “PWMEN |= (1<<2); //PWM2 使能”
2.需要复位280us以上

作者: liu2454004961 时间: 2024-1-20 12:47
//航顺8位单片机，锦锐CA51F551S1,只可调光，调速，调灯组数，不会跑马。程序调试OK
sfr P3             = 0xb0;
sbit EA          = 0xAF;
sfr LEDWTML       = 0xce;
sfr LEDWTMH       = 0xcf;
sfr LEDAT1          = 0xc7;
sfr PWMEN          = 0x90;
sfr PWM2DIVL       = 0xad;
sfr PWM2DIVH       = 0xae;
sfr PWM2DUTL       = 0x9f;
sfr PWM2DUTH       = 0x91;
sfr PWM2CKD       = 0xb3;
sfr PWM2CON       = 0xbb;
sfr LEFLG          = 0xbf;
#define CKCON (*(unsigned char volatile xdata *)0x8030)
#define P34F  (*(unsigned char volatile xdata *)0x801C)
#define LEDUTL (*(unsigned char volatile xdata *)0x8060)
#define LEDUTH (*(unsigned char volatile xdata *)0x8061)
#define PWMIE(N) (N<<7) //N=0-1
#define PWMTOG(N) (N<<6) //N=0-1
#define PWMMOD(N) (N<<3) //N=0-7
#define PWMPOL(N) (N<<2) //N=0-1
#define PWMCKS_SYS 0
#define PWMCKS_IL 1
#define PWMCKS_IH 2    //LEFLG
#define LEF1 (1<<3)
#define LEBSY1 (1<<6)
#define IHCKE (1<<7)

void main(void)
{
            EA = 1;
            CKCON =(1<<7); //打开IRCH时钟
P34F  =5;
PWM2CON = PWMIE(0) | PWMTOG(0) | PWMMOD(3) | PWMPOL(0) | PWMCKS_IH; //设置PWM时钟源为IRCH
PWM2CKD = 0;

//设置PWMDIV、PWMDUT
PWM2DIVH = 0;
PWM2DIVL = 30;

PWM2DUTH = 0;
PWM2DUTL = 7;

LEDUTH = 0;
LEDUTL = 14;

LEDWTMH = 0;
LEDWTML = 50;

//开全局中断
PWMEN |= (1<<2); //PWM2 使能

while(1)
{
unsigned int j,k;//定义一个16位无符号整形变量
unsigned char i;
static unsigned char color_index = 0;
code unsigned char LED_DAT[][3] =
{
         {0x00,0x2F,0x00},       //绿，红，蓝
{0x2F,0x00,0x00},
{0x00,0x00,0x2F},
{0x00,0x2F,0x2F},
         {0x2F,0x2F,0x00},
{0x2F,0x00,0x2F},
{0x2F,0x2F,0x2F},
};
for(i=0;i<24;i++)             //LED个数i*3
{
while(LEFLG & LEBSY1);
LEDAT1 = LED_DAT[color_index][i%3];
}
color_index ++;
if(color_index> 6) color_index =0; //LED数据组数N-1
   for(j=0;j<1500;j++)  //延时0.2s
      {
         for(k=1000;k>0;k--);
      }
}
}

作者: liu2454004961 时间: 2024-1-20 15:49
8位2812点亮图片

be406b48a30734e606c688cd1c6f8c2.jpg (97.52 KB, 下载次数: 82)