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USART communicatoin with DMA

Posted on November 15, 2013 at 19:30The original post was too long to process during our migration. Please click on the attachment to read the original post.

STM32F4 FreeRTOS and us accuracy delay

Posted on November 13, 2013 at 13:07Hi everyone, I'm currently working on a musical (using midi) project on which i need very precise delay in order to synchronise with other instruments. This delay should be able to be accurate at 1 microsecond. Fo...

benoit2 by • Associate II
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DAC & ADC speed help

Posted on November 12, 2013 at 15:54 Hello, I'm coding a real time system based on STM32F427 requiring a lot of ressources and using almost all peripherials (ADC, DAC, SPI, I2aC, USART, USB, SDIO). This is why I want to reduce the ressou...

SPI slave using DMA on STM32F405RG

Posted on November 15, 2013 at 10:31I am working on the SPI communication between PC and STM32F405RG MCU. FTDI chip FT232H serves as a bridge between PC and MCU (USB to SPI converter). FTDI is set to be SPI master and MCU is slave. I am using DMA tr...

milos by • Associate
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Very simple SPI code doesn't do anything

Posted on November 13, 2013 at 01:03Hello experts,I'm trying to get SPI with DMA running on my STM32F3board. So I wrote this code after a tutorial and the StdPeriph Lib. To test the SPI parameters I wanted  to send a 16 bit value and watch on the bu...

f407 read/write flash error

Posted on November 13, 2013 at 11:03i use my own board and try to use SD card to update IAP when i try to erase/write flash the function always return ''flash_error_program''i checked flash->sr value is 0xC0, but i just follow the step with stm32f4_...

stm32f303 bootloader problem

Posted on November 13, 2013 at 23:43I can successfully load the code from stm32f407 processor to stm32f100 in my project by using f100's bootloader firmware and RS232 protocol. However, I used the same(similar) way to load the code to stm32f303 proc...

mli by • Associate II
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STM32F429 DISCO with ULINK2 debugger

Posted on November 13, 2013 at 21:16 Has anyone managed to connect a ULINK2 (or other JTAG debugger) to the STM32F429 Discovery using CN2, if so, how? Yes, I know the Disco comes with a ST LINK V2 interface, and that works just fine, for now. But, e...

STM32F4 - Discovery ADC Example Problem

Posted on November 14, 2013 at 14:57Hello everyone,I've been trying to discover the STM32F4-Discovery features and peripheral examples of its firmware package lately. I'm having trouble with the ADC-DMA example. Actually, I wanted to observe only co...

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