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Problem pin2 pic12f519

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tysie

Joined: 14 Nov 2017
Posts: 7

Problem pin2 pic12f519

Posted: Tue Nov 14, 2017 10:13 am

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Hi,

I want to toggle some pins.
I did the following:

Code:

output_toggle(LIFELED);
output_toggle(SERVO);
output_toggle(LIGHTOUTPUT);

And my header:

Code:

#use delay(internal=8MHz)
#use FIXED_IO( B_outputs=PIN_B5,PIN_B4,PIN_B2 )
#define PULSE PIN_B0
#define BUTTON PIN_B1
#define SERVO PIN_B2
#define LIFELED PIN_B4
#define LIGHTOUTPUT PIN_B5

I see pins 4 and 5 toggling, but pin 2 doesn't do anything. Does someone know why?

alan

Joined: 12 Nov 2012
Posts: 357
Location: South Africa


Posted: Tue Nov 14, 2017 11:19 am

A quick look at the datasheet says that if bit T0CS are set (default value) then it overrides the TRIS registers anf the pin are an input. Try clearing the T0CS bit in the OPTIONS register. Regards

Ttelmah

Joined: 11 Mar 2010
Posts: 19516


Posted: Tue Nov 14, 2017 11:43 am

setup_timer_0(T0_INTERNAL); Does this for you.

tysie

Joined: 14 Nov 2017
Posts: 7

solved
Posted: Tue Nov 14, 2017 12:15 pm

I solved it with the options register. Thanks

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