OK, fine! :-)

Ports are "working" then.
Then over to the other ones.

I probably have 690 code where I do this (the 690
is/was popular since it was included in the PICkit2
Start kit). No time right now, maybe later this evening...

/Jan-Erik.



Richard R. Pope wrote 2014-08-06 15:49:
> Jan-Erik,
>       That is what I am doing right now. Ok! I have the Reset and Gate
> pins working. I commented out the delay calls and the other commands.
> The only thing that I am doing right now is just turning the Reset and
> the Gate on and off. I have two square waves running at 571KHz. This is
> correct. So it is the 16F690 Timer1 and interrupt code that I can't get
> working.
> Thanks,
> rich!
>
>       This is from the datasheet.
>           PORTC    0b76543210 these are the pins.
>                            0b00001000 this is DP1.
>                            0b00001010 this is DP1 and Reset.
>                            0b00001001 this is DP1 and Gate.
>
> On 8/6/2014 7:31 AM, Jan-Erik Soderholm wrote:
>> Make a short (the shortest possible) test prog and get the
>> pins working. Then change your application accordingly.
>>
>> There is a lot in the posted code that has nothing to
>> do with setting the pins. Noone wants to read that.
>> Remove interrupt, timers and so on.
>>
>> This is simple fault tracing. Simplify until the
>> problem is clear.
>>
>> Regards,
>> Jan-Erik.
>>
>> /* Crystal Freq =3D 16MHz.
>>      Gate is on RC0, pin 16, Reset is on RC1, pin 15, DP1 is on RC3, pin=
 7,
>> DP2 is on RC4, pin 6, DP3 is on RC5, pin 5. The TimeBase Switch will be
>> connected to RB4 and RB5, pins 13 and 12 respectively. The DisplayTime
>> pot will be connected to AN2, pin 17. */
>>
>> // Global variables
>> int count =3D 0; // number of interrupts counter
>>
>> int main(void)
>> {
>>
>>         PORTA  =3D  0b00000000;	// Turn PortA off
>>         TRISA  =3D  0b11111111;	// Set PortA as all Inputs
>>         PORTB  =3D  0b00000000;
>>         TRISB  =3D  0b11111111;
>>         PORTC  =3D  0b00001000;	// Set RC3 to high
>>         TRISC  =3D  0b11000100;	// Start with DP1 on, the rest of
>> 				 // portc is inputs
>>         CM1CON0 =3D 0b00000000;       // Turn off Comparators
>>         CM2CON0 =3D 0b00000000;
>>         ANSEL  =3D  0b00000100;       // Set RA2/AN2 as analog
>>         ANSELH =3D  0b00000001;
>>         VRCON =3D   0b00000000;
>>
>> // Define commands
>> 	// PORTC       xx543210	5=3DReset, 4=3DGate, 1=3DDP1
>> 	    int DP =3D 0b00001000; //The decimal points are counted from 1
>> 	int Reset =3D  0b00000010 + DP;	// Turn on RC1
>>    	int GateOn =3D 0b00000001 + DP;	// Turn on RC0
>> 	int GateOff =3D DP;		// Leave only the DP on
>> 	int GateTime =3D 1000;		// The gate time =3D 1 Second
>> 	int DisplayTime =3D 5000;		// The display time =3D 5 seconds
>> 	int TwentyMS =3D 20;	// Holds the value for a 20mS delay
>>
>> while (1 =3D=3D 1)	//	Loop forever
>>       {
>>         PORTC =3D Reset;	//	Clear the Display
>>         PORTC =3D GateOn;	//	Start counting
>>         //delay(GateTime); // Count the frequency for one second =3D HZ
>>         //PORTC =3D GateOff;
>>         //delay(DisplayTime); // Display the frequency for 15 seconds
>>         //ReadTBSwitch();
>>       }
>> }     //  End NewControlCode.c
>>
>> void delay(int time)
>> {
>>      count  =3D 0;		// Reset the timer interrupt counter
>>      while(count < time)
>>       {
>> 	int i =3D 0;
>> 	int j =3D 0;
>> 	for (i =3D 0; i <=3D 20000; i++)
>> 		for (j=3D0; j <=3D 10000; j++);
>> 			count++;
>>       }
>>      return;
>> }
>>
--=20
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