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13
votes
3answers
7k views

Minimal code required to startup a STM32F4?

Which is the most efficient way/minimal code required to startup a STM32F4? The startup files that come from ST seem to have a lot of unnecessary code.
8
votes
2answers
8k views

Move embedded programming from Keil to Linux

I'm currently using Keil to develop for an STM32 discovery board. My project is close to finished, and I'd like to move to a Linux based building environment. I've been using the preconfigured ...
6
votes
2answers
5k views

What's the difference between setting SysTick Interrupt in NVIC and using it as an exception?

I'm using an STM32F303 MCU and I've noticed that the SysTick can be set up to cause an exception, which seems to mentioned quite often in various User Guides. This way, it will have a priority level ...
2
votes
1answer
200 views

How to interpret the values sent by an MPU-9255?

Well, I am using this holiday in Brazil to improve my skills in C. I have learned how to use I2C and how to communicate with the MPU9255 (with help from this question). The last trouble I am facing is ...
0
votes
1answer
528 views

MPU9255 without lib on STM32

I have a code on Arduino to read the data from MPU9255 with no libraries, using it direct through I2C. I am trying to do the same on Keil uVision with Bluepill, just to learn how to use I2C with HAL ...