S32K中的主题 Re: Some questions about GPIO

Some questions about GPIO

letseatorange — Thu, 28 Sep 2017 00:34:30 GMT

hi support team:

Today，when i use GPIO A to read my key signal, i find it can't read it .but when i use GPIO B or C ,they all can read the signal,that's why?My core is v2.0.

thanks!

Original Attachment has been moved to: ceshi.rar

Re: Some questions about GPIO

danielmartynek — Wed, 04 Oct 2017 14:52:26 GMT

Hi,

Can you provide the code?

Regards,

Daniel

Re: Some questions about GPIO

letseatorange — Mon, 09 Oct 2017 01:04:27 GMT

hello

I have uploaded the attachment

thanks！

Re: Some questions about GPIO

danielmartynek — Mon, 09 Oct 2017 07:21:22 GMT

Hello,

I cannot open the file.

Could you check it and attach again?

Regards,

Daniel

Re: Some questions about GPIO

letseatorange — Mon, 09 Oct 2017 07:30:24 GMT

i'm sorry.new the attachmen have uploaded!

thanks

Re: Some questions about GPIO

danielmartynek — Mon, 09 Oct 2017 11:40:54 GMT

Hi,

Your If statement is not correct,

if(GPIO_HAL_ReadPins(PTA)>> 1 == 0)‍

you should use something like this:

if((GPIO_HAL_ReadPins(PTA)) & (1 << 1))‍

Also, set direction registers:

GPIO_HAL_SetPinDirection(PTA,1,0);
GPIO_HAL_SetPinDirection(PTD,15,1);‍‍

Regards,

Daniel

Re: Some questions about GPIO

letseatorange — Tue, 10 Oct 2017 04:28:34 GMT

hi,

it's work now,Thank you very much.