Posted on January 28, 2018 at 10:43I connect my board with STM32L462 to PC using PA2/PA3 (USART2) through USB2COM, but STMFlashLoader Demo cannot recognize this device.It looks like the Flasher is too old (2015), are any other solution?#stm32l4-boot...
Posted on October 03, 2013 at 00:54There is Audio example at stm32_f105-07_f2_f4_usb-host-device_lib, but it works like a USB Speaker, the output device. Is any example how to use it for input? I want to use controller's A/D and send the data to PC...
Posted on June 15, 2013 at 13:18I wrote my bootloader, that load application to the flash. Now I want to set security. Is it enough to set RDP Level1 and write protection to sector0, where my bootloader is located? Or I need to set RDP to Level2? Th...
Posted on June 11, 2013 at 23:11I have a stupid question: F407 has 2 RAM banks - 128K with DMA access, and 64K no DMA access. 1) I saw that in all examples only the 1st bank used. 2) I saw that in all IAP Firmware Upgrade exampler, bootloader search...
Posted on March 09, 2013 at 17:28
Hello peolpes,
maybe somebody can help me.
For a testing I use two I2S - one(I2S3) for transmitting, second (I2S2) - for receiving, phisicaly connected at the PCB.
At both I use Double Buffer DMA...
Posted on August 29, 2017 at 17:16Hi Edison,you wrote:>The FatFS doesn't guarantee word-aligned access to intermediate buffers natively and the DMA requires them because >SDMMC uses word access, thus the two are incompatible.You mean 'SDMMC in STM32...
Posted on September 01, 2013 at 19:28Hi Clive, I don't know what the software used by brands. The card I have tested were Sandisk, Kingstone and PKI. I don't remember what the speed was before, but after SDFORMATTER I got these results: block_size w...
Posted on August 31, 2013 at 22:44Hello, According to my experience, SD-card write speed is very depends of how the card was formatted. On order of increasing the write (and read) speed: - PC format disk under Windows - using FatFs command mkfs - ...