[SOLVED] Working on STM32 these days.

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HsiueMingLee

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Hello everyone, I am new here .My major is Microcontroller , and work on stm32f103 recently , but meet some problems in my project , and i would like to knw that is anyone here learning or using this embeded microcontroller ?
 

Hello, Yes working with stm32f103 and IAR embedded workbench from last three months. What do you want to ask?
 

well， i am learning the the EXTI and NVIC , if i wanna config the PA0 as a External interrupt port , how do i config the EXTI and NVIC , i am frustrated now .

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when i press the key(connected to GND), nothing ocurred ,and cant get into the interrupt service function .
 

Hi, have patience if you are new to this device. This happens when the hardware architecture and documentation is not fully read/understood. Any how, Read the following web pages. I hope they will help you out.

HTML: 
http://www.embedds.com/stm32-interrupts-and-programming-with-gcc/
HTML: 
http://hertaville.com/2012/09/29/external-interrupts-on-the-stm32f0/
HTML: 
http://www-micrel.deis.unibo.it/LABARCH/slidecorso2013/Lab3_2013.pdf
HTML: 
http://www.k-space.org/Class_Info/STM32_Lec4.pdf


Enjoy!!!
 

thanks , i made it ,i havent reference the ST PM0056 before i solved it . the reason why it has no response ,because i didnt config the" Interrupt Set Enable Register ",above these 2 functons , add the "NVIC->ISER[0] |= 1 << 7; //interrupt set enable, EXTI line 1",it will work !!!
 

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