STM32 MCUs Embedded software

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Buffer size for USB on the STM32L4 device.

Hi I am using the stm32L433 device and want to use the USB port for communication. I am planning to use it as a CDC class, and to start of with using the cube (then modify it to use registers only). I have read some place that it requires a large bu...

slow boot from Bank2 STM32L4

Posted on March 29, 2017 at 17:05Hi everyone,I want to use the dualbank boot and upgrade mechanism as described in AN4767 with my STM32L476.Toggling the booting bank with the BFB2 flag works fine.Unfortunately, I observed that the booting process ta...

Micha K by Associate
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How receive UDP Broadcast with LwIP ?

Hello,I have this problem. I need to receive UDP Broadcast, but The "callback" function is never called. I use LwIP 2.0.3./*----- Default Value for IP_SOF_BROADCAST: 0 ---*/ #define IP_SOF_BROADCAST 1 /*----- Default Value for IP_SOF_BROADCAST_RECV: ...

Peko by Associate III
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Resolved! QSPI example not working for STM32F779NI-EVAL board.

I am working on STM32F779NI-EVAL board. I've tried the following QSPI example of stm32f769-eval board on STM32F779NI "..\en.stm32cubef7\STM32Cube_FW_F7_V1.14.0\Projects\STM32F769I_EVAL\Examples\QSPI\QSPI_ExecuteInPlace"I'm facing an error in QSPI_Wri...

AAgra by Associate
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LPUART LL example - Rx not working

Hy everybody,I have a Nucleo 144-L496ZG board and I test the STM32Cube_FW_L4_V1.13.0 Examples_LL\LPUART\LPUART_WakeupFromStop2 example with IAR. The Tx is working (I see it on the PC's Realterm /TeraTerm) but the Rx doesn't. Even if I do not enter th...

sle by Associate
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Resolved! Unable to append data to a file in SD Card.

Hello,I am using a F413ZHTx Controller on a custom board. I am logging data onto the SD card using SDIO interface. Since I am logging a lot of data, I created a code to:1) Open the file on the SD card2) Log 100 entries3) Close the SD card file4) Reop...