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On Wed, 19 Dec 2001, Salah wrote:

> Hi List,
>    Any person can help in the following C problem please.
> I am using PICC with MPLAB to program the PIC16f84A ...the problem is :
>
>
>


+-----------------------------------------------------------------------+
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| privileged material.  Any review, retransmission, dissemination or    |
| other use of, or taking of any action in reliance upon, this          |
| information by persons or entities other than the intended recipient  |
| is prohibited. If you received this in error, please contact the      |
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On Wed, 19 Dec 2001, Salah wrote:

> Hi List,
>    Any person can help in the following C problem please.
> I am using PICC with MPLAB to program the PIC16f84A ...the problem is :
>
>
>


+-----------------------------------------------------------------------+
| The information transmitted is intended only for the person or entity |
| to which it is addressed and may contain confidential and/or          |
| privileged material.  Any review, retransmission, dissemination or    |
| other use of, or taking of any action in reliance upon, this          |
| information by persons or entities other than the intended recipient  |
| is prohibited. If you received this in error, please contact the      |
| sender and delete the material from any computer.                     |
+-----------------------------------------------------------------------+

On Wed, 19 Dec 2001, Salah wrote:

> Hi List,
>    Any person can help in the following C problem please.
> I am using PICC with MPLAB to program the PIC16f84A ...the problem is :
>
>
>


+-----------------------------------------------------------------------+
| The information transmitted is intended only for the person or entity |
| to which it is addressed and may contain confidential and/or          |
| privileged material.  Any review, retransmission, dissemination or    |
| other use of, or taking of any action in reliance upon, this          |
| information by persons or entities other than the intended recipient  |
| is prohibited. If you received this in error, please contact the      |
| sender and delete the material from any computer.                     |
+-----------------------------------------------------------------------+

On Wed, 19 Dec 2001, Salah wrote:

> Hi List,
>    Any person can help in the following C problem please.
> I am using PICC with MPLAB to program the PIC16f84A ...the problem is :
>
>
>


+-----------------------------------------------------------------------+
| The information transmitted is intended only for the person or entity |
| to which it is addressed and may contain confidential and/or          |
| privileged material.  Any review, retransmission, dissemination or    |
| other use of, or taking of any action in reliance upon, this          |
| information by persons or entities other than the intended recipient  |
| is prohibited. If you received this in error, please contact the      |
| sender and delete the material from any computer.                     |
+-----------------------------------------------------------------------+

On Wed, 19 Dec 2001, Salah wrote:

>
> while(RA4) {  PORTA = Key1(); }   //  S1
>
> PORTA = 0xff;     // S2
>
> while(1)
> {
>    do{
>       Receive();
>        temp = rData;
>        temp &= 0xE0;
>        temp = Device - temp;
>      }while(temp);
>
>      keySelector = rData & keyMask;
>
>     switch(keySelector)
>     {
>       case 0x00 : PORTA = Key7();break;
>       case 0x01 : PORTA = Key6();break;
>       case 0x02 : PORTA = Key5();break;
>       case 0x03 : PORTA = Key4();break;
>       case 0x04 : PORTA = Key3();break;
>       case 0x05 : PORTA = Key2();break;
>       case 0x06 : PORTA = Key1();break;
>       case 0x07 : PORTA = Key0();break;
>     }
>   }
> }/* End main*/
>
>  Dose  S1 go to infinite loop as long as RA4 = 1
Yes. This is exactly what the WHILE loop does (or maybe until watchdog
resets...)
> or it will be excuted for
> one time and go to S2 ?
Nope. If RA4 == 0 then it won't be executed at all.

I hope this helps.
Imre

>
> thanx in advance.
> Regards
> Salah.
>
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>

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