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標題: avr ATMega32驅動aw9523b 讓led顯示，adc數據讓led依次亮起，為什么程序跑不起來 [打印本頁]

作者: abu89 時間: 2018-7-12 14:36
標題: avr ATMega32驅動aw9523b 讓led顯示，adc數據讓led依次亮起，為什么程序跑不起來
代碼如下，各位大神請指教

#include <iom32v.h>
#include <macros.h>
#define uchar unsigned char
#define uint  unsigned int
#define WD_DEVIC_ADDR 0xb6
#define RD_DEVIC_ADDR 0xb7
#define SLA_AW1 0X02
#define SLA_AW2 0X03
#define MT_SLA_ACK 0x18
#define MT_SLA_NOACK 0x20
#define MT_DATA_ACK 0x28
#define MT_DATA_NOACK 0x38
#define START 0x08
#define RE_START 0x10
#define MR_SLA_ACK 0x40
#define MR_SLA_NOACK 0x48
#define MR_DATA_ACK 0x50
#define MR_DATA_NOACK 0x58
#define DATA1 0x79
#define DATA2 0xd5
#define DATA3 0xb6
#define DATA4 0xea
#define DATA5 0x2c
#define DATA6 0xc0

#define WD_DEVICE_FW  0x7f //aw9523 軟復位寄存器地址
#define WD_DEVICE_DG  0x11 //aw9523 燈光電流控制寄存器地址
#define Start() TWCR = (1<<TWINT)|(1<<TWSTA)|(1<<TWEN);
#define Wait()    while (!(TWCR & (1<<TWINT)));
#define Stop()    TWCR = (1<<TWINT)|(1<<TWEN)|(1<<TWSTO);
#define TestAck()  (TWSR&=0xf8)
#define SetAck() (TWCR|=(1<<TWEN)
#define SetNoack()  (TWCR&=~(1<<TWEN))
#define Twi() (TWCR=(1<<TWINT)|(1<<TWEN));
#define Write8Bit(x)  {TWDR=(x); TWCR=(1<<TWINT)|(1<<TWEN);}
const a[] = {0xef,0xbf,0xbf,0xbf,0xbf,0xbf,0xbf,
      0xbf,0xbf,0xb7,0xb3,0xb1,0x00};
const b[] = {0xfb,0xfb,0x3b,0x1b,0x0b,0x03,0x01,
      0x00,0x00,0x00,0x00,0x00,0x00};

            //燈依次亮起數據
void twi_init(void)
{
TWBR=0x20;
TWCR=0x04;
TWSR=0;
}
uchar IIC_Write(uchar addr,uchar wdata,uchar addr2,uchar wdata2)
{
Start();
Wait();
if(TestAck()!=START)
  return 1;
Write8Bit(WD_DEVIC_ADDR);
Wait();
if(TestAck()!=MT_SLA_ACK)
return 1;
Write8Bit(addr);
Wait();
if(TestAck()!=MT_DATA_ACK)
return 1;

Write8Bit(wdata);
Wait();
if (TestAck()!=MT_DATA_ACK)
return 1;

Write8Bit(addr2);
Wait();
if(TestAck()!=MT_DATA_ACK)
return 1;
Write8Bit(wdata2);
Wait();
if (TestAck()!=MT_DATA_ACK)
return 1;
Stop();
return 0;

}
uchar IIC_read(uchar addr)
{
uchar temp1;
Start();
Wait();
if(TestAck()!=START)
  return 1;
Write8Bit(WD_DEVIC_ADDR);
Wait();
if(TestAck()!=MR_SLA_ACK)
return 1;

Write8Bit(addr);
Wait();
if(TestAck()!=MR_SLA_ACK)
  return 1;

Twi();
Wait();
if(TestAck()!=MR_DATA_NOACK)
return 1;
temp1=TWDR;
Stop();
return temp1;

}
void delay(uint ms)
{
uint i,j;
for(i=0;i<ms;i++)
{
for(j=0;j<8000;j++);
   }
}
uchar key(void)
{

uchar m;
PORTC|=BIT(2);
DDRC|=BIT(2);
DDRC&=~BIT(2);
m=PINC;
m=m&0x04;
if(m=0x04)
{
return 0;
}
else
{
return 1;
}
}

/*void device_restart(void)
{
DDRC |= (1<<DDC4);
  PORTC |= ~(1<<PORTC4);
  delay(3);
  PORTC |= (1<<PORTC4);
  delay(1);

}*/

void main(void)
{
uchar c;
uchar m;
uint addata;
uchar n;
uint f;

  c=0;

twi_init();
IIC_Write(0x12,0x00,0x13,0x00);
twi_init();
IIC_Write(0x11,0x03,0x26,0x7f);
twi_init();
IIC_Write(0x27,0x7f,0x28,0x7f);

DDRA &=~(1<<DDA0)|~(1<<DDA1)|~(1<<DDA2);
PORTA |=(1<<PORTA0)|(1<<PORTA1)|(1<<PORTA2);
DDRB |= (1<<DDB0)|(1<<DDB1)|(1<<DDB2);

while(key())
  {
m=0;
switch(m)
{
case 0:
twi_init();
IIC_Write(SLA_AW1,0x00,SLA_AW2,0x00); //輸出燈光數據
twi_init();
IIC_read(SLA_AW1);
IIC_read(SLA_AW2);
break;
case 1:

twi_init();
IIC_Write(SLA_AW1,DATA1,SLA_AW2,DATA2); //輸出燈光數據
delay(2);

ADMUX=0x00;
PORTA &=~(1<<PORTA0);
ADCSRA=0X80;
ADCSRA|=BIT(ADSC);
while(!(ADCSRA&(BIT(ADIF))));
   addata=ADCL;
addata=addata+ADCH*256;

twi_init();
IIC_read(SLA_AW1);
IIC_read(SLA_AW2);

break;

case 2:

twi_init();
IIC_Write(SLA_AW1,DATA3,SLA_AW2,DATA4); //輸出燈光數據
delay(2);

ADMUX=0x01;
PORTA &=~(1<<PORTA1);
ADCSRA=0X80;
ADCSRA|=BIT(ADSC);
while(!(ADCSRA&(BIT(ADIF))));
   addata=ADCL;
addata=addata+ADCH*256;

twi_init();
IIC_read(SLA_AW1);
IIC_read(SLA_AW2);

break;

case 3:

twi_init();
IIC_Write(SLA_AW1,DATA5,SLA_AW2,DATA6); //輸出燈光數據
delay(2);

ADMUX=0x02;
PORTA &=~(1<<PORTA2);
   ADCSRA=0X80;
   ADCSRA|=BIT(ADSC);
while(!(ADCSRA&(BIT(ADIF))));
   addata=ADCL;
addata=addata+ADCH*256;

twi_init();
IIC_read(SLA_AW1);
IIC_read(SLA_AW2);

break;
default :
m=0;
   break;

}
   m++;
f=addata;
if(f<=0x3f)
n=0;

else if ((f>0x3f)&(f<=0x7e))
n=1;

else if ((f>0x7e)&(f<=0xbd))
n=2;

else if ((f>0xbd)&(f<=0xfc))
n=3;

else if ((f>0xfc)&(f<=0x12b))
n=4;

else if ((f>0x12b)&(f<=0x16a))
n=5;

else if ((f>0x16a)&(f<=0x1a9))
n=6;

else if ((f>0x1a9)&(f<=0x1e8))
n=7;

else if ((f>0x1e8)&(f<=0x227))
n=8;

else if ((f>0x227)&(f<=0x266))
n=10;

else if ((f>0x266)&(f<=0x29d))
n=11;

else
n=12;

twi_init();
IIC_Write(SLA_AW1,a[n],SLA_AW2,b[n]);

twi_init();
IIC_read(SLA_AW1);
twi_init();
IIC_read(SLA_AW2);
}

}

作者: abu89 時間: 2018-7-13 17:07
沒人我自己答一波.找了兩天,終于發現按鍵邏輯不用配置輸出,按鍵就可以進去,但是進去了無限循環,然后又需要跳出來,用一個break語句解決

作者: abu89 時間: 2018-7-13 17:11
按鍵引腳不用設置輸出,按鍵就可以用了,然后進入循環出不來,不可以重復選擇別的狀態,用break跳出舊可以了循環里面用m計數.再次進入就可以跳到別的狀態了.

歡迎光臨 (http://www.zg4o1577.cn/bbs/)