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Forum Posts

Sampling Frequency of ADC on STM32F4 Discovery

Posted on November 07, 2015 at 11:42Hi. I'm fairly new to the concepts of ADC and currently, I'm using STM32F4 Discovery. For ADC, I have these settings for my ADC settings in my ADC_init() (source codes from an author online). ADC_CommonInitStruct....

kyaw by Associate II
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STM32F4 TIM Frequency and Delay Measurement

Posted on November 06, 2015 at 08:35I have the following Problem: I have two input signals. The frequency of the signals is equal, but there is a delay between this signals. I have to measure the delay between the rising edge of the first input and ...

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roland23 by Associate II
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Newbie - ST32F407 Discovry board Blue led issue

Posted on November 02, 2015 at 05:35 Hi all, I have just started learning ARM and have picked up the STM3F4 discovery board. Below is my first code to light up all the 4 user leds on board (connected to GPIOD 12to 15). ...

SysTick Mystery

Posted on November 07, 2015 at 18:12 hello, I'm trying to create delay of 1 second and toggle an LED. I'm using SysTick timer for this task. I have STM32F103C8T6 mcu. The following code does not work. Looks like the control never reaches the...

STemWin AN4323 clock enable issue

Posted on November 05, 2015 at 10:21helloas required in the STemwin manual i have to enable RCC AHB1 CRC clock. ''The CRC module (in RCC peripheral clock enable register) should be enabled before using the library''trying to use RCC_AHB1PeriphClockC...

asafbit by Associate II
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STM32L4 - ADC synchronuous clock mode wrong

Posted on November 04, 2015 at 10:46Hello there I've a question regarding the ADC conversion time on the STM32L476. According to the datasheet the fastest possible conversion time running at 80MHz is 187ns. Does this also count for the continuous co...

Timer 2 of STM32F4 Discovery don't work !

Posted on March 02, 2013 at 22:52Hello,In my project i need to measure the frequency of 8 external signals with the STM32F4 Discovery Board. So i begin with the first signal by using Timer 1 in Input Capture mode and it works. Now i'm trying to do t...

Undocumented ST calibration values

Posted on November 07, 2015 at 15:03I'm learning to use the ADC in an F2 device. I was looking for the ''proper'' way to calculate values rather than making any assumptions like every single tutorial or example code that I've seen so far. One useful...

External flash proggramming using GDB server

Posted on November 07, 2015 at 08:10Hello. I have a board with STM32f746IG controller and S25FL128S qspi NOR-flash memory. I'd like to program my code using GDB server. How to do this? I've never done this before. I also want to use GDB server for d...