FATFS API
hi, i have the HAL driver for sd card and fatfs software module but i can't understand the mechanisms that both hal and fatfs api's, it's all confused me. stuck here unable to move forward.@Community member @Community member
Forum Posts
Full duplex USART example for STM32F722
Posted on February 15, 2018 at 15:52Hello.Ive worked with the two boards comm DMA sample program and it works but it only works half duplex.The flow is:Init UART handle,Transmit dma wait for tx interupt callbackreinitalize UART handleRecieve dma wai...
Using the SPI module during the receiving data via DMA
Hi everyone,I'm using the DMA to receive the data from external flash via DMA. Can the SPI module transmit data while receiving from external flash at the same time? Or will it block this transmitting until completing the receiving? Or can simultaneo...
Why ist the memory map of portA (STM32F411RE) only 10 Bit (0000 - 03FF hex)?
Hello, I read the manual for the STM32F411RE and I found the memory map inside. I wondered why I can only find an adress-area (adress boundary) for (exampe) portA which is only 10Bit (0000 until 03FF hex). I "hoped" to find an adress-area over 16Bit ...
STM32F103 - CubeMX DFU
Hi,I couldn't find online a working bootloader implementation of STM32f103C8 based on generated files from CubeMX, i've started porting the F4 DFU to F1, there are two applications: 0x08000000 - DFU Bootloader0x08008000 - ApplicationJump between the ...
Resolved! Another funny typo, in the USART chapters of RMs
In USART block diagram figure, "f" in "Transmit shift register" is missing, giving it a whole lot different meaning... ;)Besides this, the arrows from both "shi(f)t registers" to their respective data registers have incorrect direction. The LPUART ch...
Help with X-CUBE-SPN2 for IHM02A1
Posted on December 01, 2017 at 21:47Has anyone used the IHM02A1 and got either the project files or the pre-compiled binary and hex files to work? If so, could you please tell me if you did anything to get them to work or did they simply work out of...
DMA multi-using problem
Posted on October 24, 2017 at 11:30I use STM32F103, DMA1->CH6USART2 RX and TIM3 TIM3_CH1 both can use this channel.If only USART2 RX or TIM3 TIM3_CH1 to use this channel,it is ok!but how to multi use for two request?thank you very much.
STM32F030C8T6 DMA USART CHANNEL REMAPPING QUESTION
Hi everyone: As a title,I use dma Usart Rx for DMA1 Channel 3,but at the same time, I also use Spi Tx for DMA.So , I must remap Usart Rx from DMA1 Channel 3 to DMA1 Channel 5.I try to use this function SYSCFG_DMAChannelRemapConfig(SYSCFG_CFGR1_USAR...
