STM32 MCUs Embedded software

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USB RNDIS stucks on STM32H735IGT6

We have a problem converting our running USB VCP application (RTOS) to a working RNDIS version.We replaced the regular variants of usbd_cdc.* and usbd_cdc_if.* by their RNDIS variants.The USB OTG HS clock is enabled.We adapted the initialization:  ...

TKlem.1 by Associate II
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LwIP and a TFTP client

I've run into an interesting problem and curious if anyone knows a solution.  I am adding TFTP support to an amateur radio project (soon to be published as open source).  All the other code is based on LWIPs netconn API and I want the TFTP code to us...

Will5 by Associate III
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STM32H723ZGT6 with LAN8720A Ethernet PHY

phy芯片设置百兆全双工自协商连接千兆交换机时网络ping不通,连接百兆交换机正常 P1连接千兆交换机phy寄存器 P2连接百兆交换机寄存器 P3主控关键寄存器 Translation: When the Ethernet PHY chip is set to 100M full-duplex auto-negotiation and connected to a gigabit switch, the network ping fails, but it works normally when...

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Resolved! fp-aud-aec1 8khz audio

Can someone please guide me with 8KHz audio, echo cancellation is almost perfect for 16khz audio on stm32u5, but seems problematic at 8KHz, i've tested pass-through (loopback, mic connect to speaker) at 8Khz and it is clear when AEC is disabled, also...

Resolved! Disabling Interrupts

On STM32G0 is it faster to disable and enable interrupts using the functions __STATIC_FORCEINLINE void __enable_irq(void) { __ASM volatile ("cpsie i" : : : "memory"); } __STATIC_FORCEINLINE void __disable_irq(void) { __ASM volatile ("cpsid i" : :...

Carl_G by Senior II
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