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STM32F401RE-Nucleo LED and BUTTON's problem

Posted on April 07, 2015 at 18:27 Hi, I am trying to run a simple program on my new Nucleo board, I made this program in order to turn on and off the green led when i press the user's button (the blue one), #include ''stm32f4xx.h'' #include '...

STM32F401RE-Nucleo LED and BUTTON's problem

Posted on April 07, 2015 at 18:22Hello, I am trying to run a simple program on my new Nucleo board, I made this program in order to turn on and off the green led when i press the user's button (the blue one), http://pastebin.com/9Q7KxsVA &sharpinclu...

STM32 with GPS

Posted on April 07, 2015 at 00:21 Hi there, I'm trying to parse some GPS data, to do this I want to limit the NMEA string coming from my GPS. I've found online that I can send the following to the Rx pin of my GPS to tell it to just send...

FSMC NAND flash speed?

Posted on April 07, 2015 at 19:24What transfer rate (read and write) can be expected for an FSMC interface to NAND flash, 8 bit data path, DMA, STM32F4xx at either 48 or 168MHz? Is it heavily influenced by choice of NAND flash chip vendor/part?

RTC after power cycle

Posted on April 06, 2015 at 17:15I am using the STM32L1C8 with either its LSI oscillator or an attached LSE (32.768 kHz).  Either way, when I load the code through Keil the RTC module updates properly but when I do a full power cycle the RTC module ...

andrew2 by Associate II
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Problem on EXTI interrupt

Posted on July 01, 2014 at 14:28Hi,In my application, I have a PPS (pulse per second) signal with a period of 1 second and pulse duration of 200 ms. This external signal is connected to an EXTI line which generates an interrupt at each rising edge o...

asecen89 by Associate II
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Best way of implementing stopwatch

Posted on March 31, 2015 at 08:20Hi,Which one is the best way of implementing stopwatch in stm32f429? Currently i am using soft timers for stopwatch. But it has time  drift in long period when compared into my mobile stopwatch. I have using RTC also...