Re: [avr-gcc-list] The ADC interrurpt can't triger in studio?

[Ian Caddy]

hi Whiteman,

To start the ADC conversion you must either set:

ADSC -  start conversion
or
ADFR -  free run operation

before you will get an interrupt.

regards,

Ian Caddy


whiteman wrote:
> HI,all！
> 
>       I used studio4.08 simulate the program as follows:
> 
> SIGNAL(SIG_ADC)      //ADC server
> {
>       ADC_L = ADCL;
>       ADC_H = ADCH;
> }
> 
> int main(void)
> {
>       DDRC = (1<<DDC5)|(1<<DDC6);
>       DDRD = 0xc0;
>       DDRB = 1 << DDB0;
>       ADMUX = 0x40;                                           //ADC channel 0
>       ADCSRA = 0x85;                                          //ADC clock is 
> 125k
>       ADCSRA = (1 << ADIF) |(1 << ADIE) | ADCSRA;
>       sei();                                                          
> //enable the global interrupt
>       Delay(10000);
>       ;
>       ;
>       while(1)
>       {
>               PORTC = PORTC^0x20;
>               Delay(60000);
>               ADCSRA = (1 << ADSC) |ADCSRA;   //START ADC
>               ;
>               ;
>               for(;;){}
>       }
>       return(0);
> }
> 
>  I simulate this program. I have started the ADC converter and man-made 
> modified the interrupt flag "ADIF" to 1,but the studio can't triger the ADC 
> interrup, don't execute the server. Whether it is a buy in studion or in gcc??
> thanks!!!
> 
> best regard                           
> 
> 　　　　　　　　whiteman
> address@hidden
> 　　　　　　　　　　2004-03-24
> 
> 
> 
> 
> _______________________________________________
> avr-gcc-list mailing list
> address@hidden
> http://www.avr1.org/mailman/listinfo/avr-gcc-list
> 

_______________________________________________
avr-gcc-list mailing list
address@hidden
http://www.avr1.org/mailman/listinfo/avr-gcc-list