Using several interrupts pins and changing pin settings

RE: Using several interrupts pins and changing pin settings

Susheel Nuguru — Thu, 30 Apr 2015 13:10:14 GMT

could you please accept it so that we can close this case.

RE: Using several interrupts pins and changing pin settings

volkan_swecon — Thu, 30 Apr 2015 12:07:39 GMT

Ah... UART RX was also defined as PIN 5, thats why. Thx for your answer

RE: Using several interrupts pins and changing pin settings

volkan_swecon — Thu, 30 Apr 2015 11:43:09 GMT

I have tried with two nordic chips, this is what i get when i use PIN 5

When using pin 5 as row 2 on my UART log:

ROW PIN 0
ROW PIN 1 
ROW PIN 0 
ROW PIN 0

COLUMN PIN 0 
COLUMN PIN 0 
COLUMN PIN 0

The columns are not getting high, so when I change to pin 9 ROW 2, then it suddenly works, this is my log:

 ROW PIN 0 
 ROW PIN 1 
 ROW PIN 0 
 ROW PIN 0 
 
 COLUMN PIN 0 
 COLUMN PIN 1 
 COLUMN PIN 0

All the other pins works fine.

RE: Using several interrupts pins and changing pin settings

Susheel Nuguru — Wed, 22 Apr 2015 16:03:59 GMT

Hi Volkan, I am assuming you are talking about nRF51 chips. All GPIO pins has identical features and should work the same way if configured similarly. You can use all available pins at the same time without any limitations. I am quite sure that it this has been tested well.

It is a possibility that you were unfortunate with a faulty chip (happens rarely). Could you try with other board if you have any.