About Mnemocron

Mnemocron · 2021-12-13

My goal is to send bit patterns from an array directly to GPIO, using a Timer as a sample clock / DMA trigger.More concretely: TIM2 Update Event --> DMA --> memory to GPIO Port ODR transferI am on STM32f103rb (Nucleo-64)Similar questions have been as...

Mnemocron · 2021-08-31

Using a resistor voltage divider (100k+47k) to break a range of 11V - 14V down to an ADC input range below 5V. For 11V i expect 3.5V, for 14V I expect it to be 4.5V.(see schematic)STM8s903 - ADC_IN_2 on PC4 (physical pin 14)IAR embedded workbench 3...

Mnemocron · 2021-08-14

I want to convert a bunch of uint16_t values from an ADC into floating point voltages. For this I use a for loop to loop through the uint16_t array and write the values to a float array. But the float array remains 0 as if no assignment is ever made....

Mnemocron · 2021-08-13

I have this odd behaviour, where the ADC1 works with a fresh .ioc configuraion but does not when I configure additional peripherals.The working case: (see attached f373rb_playground.ioc)Where I configure 4 channels of the ADC1 to work in scan mode to...

Mnemocron · 2021-04-04

I develop a FreeRTOS / LwIP based application which throws a configASSERT error because of a bad priority.Only when the Nucleo is connected to the LAN, the debugger gets stuck at:Line 744 of port.c (FreeRTOS source)configASSERT( ucCurrentPriority >= ...

Mnemocron · 2022-07-23

Sadly, no. The company I worked for abandoned the project.

Mnemocron · 2021-12-13

Done! Thanks for all the hints. For anyone looking for the full code: https://github.com/mnemocron/STM32_PatternDriver

Mnemocron · 2021-12-13

That was it!Thank you so much 

Mnemocron · 2021-08-15

https://stackoverflow.com/questions/68783394/float-values-of-array-are-not-assigned-during-a-for-loop-stm32-arm-none-eabiI was able to resolve it, without knowing what cause this. Either way, my code is now much cleaner and easier to read

Mnemocron · 2021-08-14

STM32f373re does not have a cache afaik.I just posted the main file.the uint16_t array is indeed being filled by the DMA. I am confused because the conversion works outside of a for loop.

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