I've implemented USB Host Suspend/Resume function. It work fine. I set USB_OTG_HPRT_PSUSP, when I want resume I set USB_OTG_HPRT_PRES and reset this bit after 20 ms, I see with an oscilloscope, the D+ and D- signals, in suspend state D+ is high and D...

Posted on December 15, 2016 at 08:55 Hi, I'm developing a firmware for a custom board with a STM32L486 microcontroller. The device record the audio to a micro SD card. I'm using the HAL driver. It's work fine with at least 6 ...

Posted on June 09, 2016 at 11:28In stm32l486xx.hthis line#define SDMMC_DCTRL_DBLOCKSIZE_0             (0x1U << SDMMC_DCTRL_DBLOCKSIZE_Pos) /*!< 0x00000010 */#define SDMMC_DCTRL_DBLOCKSIZE_1             (0x2U << SDMMC_DCTRL_DBLOCKSIZE_Pos) /*!< 0x000...