How to determine the DMA transfer rate?
I am using an STM32F4466 Nucleo board. I am using DMA 2 for ADC1 to memory transfer.My AHB frequecy is 180MHz. I want to know how long does it take to transfer a half word.
Forum Posts
In tryiing a simple "LED flasher" tutorial building for a Nucleo L432KC, get "machine/_default_types.h" build error in Eclipse
19:02:43 **** Incremental Build of configuration Release for project asyncout ****make all Building file: ../Src/main.cInvoking: MCU GCC CompilerC:\Users\mikew-dell\STMicroelectronics\projects\asyncout\Releasearm-none-eabi-gcc -mcpu=cortex-m4 -mthumb...
Is it good idea to define RTC SRAM section in linker script?
I think it would be the easyest way to work with RTC's SRAM. In this case I just need to define the section in code where to put my variables. I would like to see someone's opinion who is more experience with STM's than me.
Basic timer interrupt example?
Beginner requesting an example of a timer interrupt every 20 us. Am using a Nucleo-F767ZI. Not sure if CubeMX is used for this as the interrupt is timer not external?
Why can't i send a specific number with i2c?
I have started writing an i2c driver for the stm32f051c8 and have stumbled upon an issue.The code i use to test a very basic version is: RCC->AHBENR|= 1<<18; // gpio clock enable gpiob RCC->APB1ENR|= 1<<21; // enable i2c1 clock GPIOB->MODER|= 2<<1...
bxCaN 16-bit rx-filter
In the manuals it usually says that the 16-bit filter includes 11-bit STID, IDE, RTR and EXID[17:15]. Does that mean that if standard CAN IDs are used, EXID[17:15] covers the r0-bit and two highest bits of the 4-bit DLC-field? I haven't found that me...
STM32F429 CAN bus example code to transmit and receive message using can bus analyzer
Hi hello,As iam new to stm32 i don't know how to use CAN bus to transmit and receive through CAN bus analyzer to stm32f4 controller, could some one help to give some sample or example code to send and receive message using CAN bus analyzer to stm32f4...
STM32F030R8 Nucleo-64 Board ADC Voltage Reference
I want to decrease the reference voltage of the ADC to have a better resolution, is it possible to do it?Could someone explain me how can I do this? I am using the Nucleo-64 board STM32F030R8 and CubeMX to generate the code. Do I have to configure so...
16 bit SPI slave to DMA not working with Half word.
Hi, I'm using an STM32F301 chip to write to a display, so I need a lot of data to be transferred to it. The chip is configured as an SPI slave and the data is received via DMA. My issue is that the DMA receive buffer takes too much space in RAM becau...
Current-limiting resistors for GPIO pins?
I'm not a hardware engineer, so apologies if this is a stupid question ...I have two STM MCUs communicating over an open-drain line which has a pull-up resistor. Each MCU has a GPIO port connected to the line, and the ports are configured open-drain,...
