Is there any GPIO interrupt available for STM32F103ZE? I went through the datasheet but didn't find anything related to that. I am new to this processor but recently used TI's MSP430. In MSP430 we can configure interrupts using some GPIO registers. Can anybody tell me how can I do that?
Asked
Active
Viewed 2,601 times
4
-
7Ensuing Meta question: http://meta.stackexchange.com/questions/100606/somebody-rated-my-question-as-1 – Gilles 'SO- stop being evil' Aug 02 '11 at 10:05
-
5Better on [Electronics.SE]? Better check there first. – dmckee --- ex-moderator kitten Aug 02 '11 at 12:11
-
1@dmckee I don't think so, but the question could use some clarification. Hari, please give more context. Are you designing a board (EE topic), or are you programming a firmware/driver (SO topic)? – Gilles 'SO- stop being evil' Aug 02 '11 at 12:41
-
I am programming the device using uVision 3 IDE – Harikrishnan Aug 02 '11 at 13:08
-
1Please migrate it to http://electronics.stackexchange.com/ so Hari can get an answer.This question is reopened by some of our high reputationed people but it is unlikely that Hari will get a great answer about his subject here.The point of SO is not opening or closing questions it is helping people and what we should do with this question is to migrate it to somewhere more relevant. – Bastardo Aug 02 '11 at 13:52
-
Adding "embedded" tag so that maybe the question will get some answers on SO. – static_rtti Aug 02 '11 at 14:05
1 Answers
9
Yes.
Please refer to the datasheet:
Section 8.1.3 states:
External interrupt/wakeup lines
All ports have external interrupt capability. To use external interrupt lines, the port must be configured in input mode. For more information on external interrupts, refer to:
- Section 9.2: External interrupt/event controller (EXTI) on page 174 and
- Section 9.2.3: Wakeup event management on page 175.
If you check out section 9.2.5 you'll find that you have to set up the external interrupt peripheral (EXTI) in order to map the pins you want to observe into the correct interrupt.
Re-read sections 8 and 9 of the data sheet, and make certain you understand how each EXTI register needs to be setup to listen on the correct GPIO lines, and to trigger on the correct type of transition.
Community
- 1
- 1
Adam Davis
- 91,931
- 60
- 264
- 330