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Recent Forum Posts

Re: PIC USB HID breakout board

Thanks...I was just going off the data sheet that suggests setting the pins as output and bringing them all low.
DavyJones - 14th December 2018, 22:42

Re: PIC USB HID breakout board

Once you set the pin to output, the digital/analog mode setting doesn't really matter.
You can output a 1 or 0 with the pin still in analog mode. All that bit does is turn off the digital input...
tumbleweed - 14th December 2018, 19:55

Re: PIC USB HID breakout board

Ok so I have portb I think configured correctly where RB0 through RB6 are configured as digital for use with my jumpers to control the distance and timing. I will read low if the jumper is connected...
DavyJones - 14th December 2018, 19:00

Re: PIC USB HID breakout board

Aaaahhh ok I see that now on page 133 for PBADEN (reset, power on) and notes for PORTB on page 148 for ANSELB
I'm skipping over some reading and that's not good I need to review closer, I'd print...
DavyJones - 14th December 2018, 12:03

Re: PIC USB HID breakout board

Also, most of the PORTB pins are dual analog/digital pins. You have to set them to digital mode otherwise they always read '0'.
Either set ANSELB bits = 0 for the ones you want to be digital, or set...
tumbleweed - 14th December 2018, 02:02

Re: PIC USB HID breakout board

Thanks let me review that again I must have misread that..... I see it now on page 115 thanks
DavyJones - 14th December 2018, 00:12

Re: PIC USB HID breakout board

The RBPU bit (INTCON2.7) is low-active, so 0=pullups enabled, 1=pullups disabled
tumbleweed - 13th December 2018, 21:59

Re: PIC USB HID breakout board

Hi would one of you mind checking the datasheet make sure I read this correctly to enable the RB0 through RB5 as input and enable the week pullups.
I think I interpreted this correctly

...
DavyJones - 13th December 2018, 21:24

Re: PIC USB HID breakout board

tumbleweed, I would only be looking to have one of 5 pins pulled to ground at any one time so I don't think it is going to be a big concern. I did get the SOIC for the 18F it's not all that big. I...
DavyJones - 13th December 2018, 15:20

Re: PIC USB HID breakout board

As I say, If you enable the internal portb pullups and have your jumper/switch either open or to GND then the input will default to logic '1' since it's pulled high.

The internal pullups are...
tumbleweed - 13th December 2018, 13:57

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