How to get GPIO status?

hi how to read a gpio status ? in order to know if it is high or low on stm32,the gpio(PA2) is configured as a extern interrupt and floating input,. it link to the data pin of infrared receiver.is...
How to get GPIO status?

hi how to read a gpio status ? in order to know if it is high or low on stm32,the gpio(PA2) is configured as a extern interrupt and floating input,. it link to the data pin of infrared receiver.is...
PXA255 - WinCE GPIO status at sleep recovery

Note: This was originally posted on 1st August 2012 at http://forums.arm.com Hi all, I'm on to make some changes on a old project (WinCE420), where I want to keep a few output GPIO's in a high state during...
PXA255 - WinCE GPIO status at sleep recovery

Note: This was originally posted on 1st August 2012 at http://forums.arm.com Hi all, I'm on to make some changes on a old project (WinCE420), where I want to keep a few output GPIO's in a high state during...
to check the status of relays

i am working with 8051 and have connected relays with the port P2 how can i send command to turn on or off the relay, and then using the same port get the status of the appliances connected with the...