Default USB settings for command packet size is 8U (CDC_CMD_PACKET_SIZE), meanwhile, if we want to change "hardware flow control" flags, we need to send 10 bytes command packet. (for 32F103)If CDC_CMD_PACKET_SIZE is redefined in cubeMX package, I rec...

I am using STM32F103VGT chip and custom PCB with USB, graphics LCD (FSMC mode), RTC, CRC, ADC, TIM2, TIM4 and UART3 (DMA/IRQ).When I added SDIO, one data line (poling, IRQ or DMA) and FATFS, I noticed, that after mounting, reading and writing to SD c...