STM32 MCUs Embedded software

Ask questions and find answers on STM32Cube packages, including HAL, LL and middleware, and expansion software.

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STM32F7 eMMC FATFS writes data speed only 585KB/S

Hi ST communities,My hardware is MCU STM32F756, eMMC mtfc2gmdea-0m 4bit 24MHZ CLK.FATFS: R0.12C.STM32F7_Cube_FW_Ver:STM32Cube_FW_F7_V1.15.0.Why does eMMC now write data at only 585KB/S. FATFS_WR_SIZE 8192, every time to writes 1024Bytes.uint8_t wtext...

ddavi.8 by Associate II
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HAL CubeMX I2C slave NACK problem (STM32F446)

Technical environment :-       Master : CM3 (Raspberry)-       Slave : STM32F446-       CubeMX : V4.23 (even tested with V4.26.1)-       Normal transaction is : MASTER do a 4 bytes WRITE, then a 1 byte WRITE and at last, a 4 bytes READ.The slave ACKe...

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YBOUR by Associate II
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  • 6 replies
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system boot loader FDCAN

Rev V system boot loader FDCANSTM introduces boot via FDCAN1 with chip revision V.The system boot loader version ischanged form V13.3 to V9.0. I’ve tried to figure out how does it work. Here are my findings-     AN2606 rev 38 is updated. It describes...

MMagl by Associate III
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  • 3 replies
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STM32F4 Read wav from USB

Hello everyone! I'm working on a project like Audio Playback. I have tried compile and run Audio_playback_and_record from ST's Firmware pack its working good.I'm trying create my own project file, i'm stuck in read wave data from usb. I can get wavef...

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emetians by Associate II
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  • 8 replies
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