STM32 MCUs Embedded software

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Resolved! VCP device doesn't receive from C# app

Posted on June 29, 2017 at 17:49Hello the STM Community,To quickly introduce my setup, I work on a custom board with a STM32f407 but I have the same issue with the STM32f4-discovery. I generate a simple project for this card, only to try the USB-OTG...

Resolved! LwIP DHCP no ip request

Posted on July 11, 2017 at 18:17Hello fellow STM32 explorersI am currently working on a STM32F4 TCP/IP project.I'm using LwIP's RAW api.I got a echo UDP program working but with a static IP now I'm trying to get an ip adress automatically using a DH...

andy b by Senior
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Resolved! STM32L471 DFU

Posted on July 12, 2017 at 07:55I'm confused about wether STM32L471RG has a USB bootloader or not. AN2606 describes an STM32L47xxx DFU bootloader and that USB DM and USB DP lines should be connected to PA11 and PA12 respectively.But what confuses me...

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playback wave file with DMA on STM32F745VGT6

Posted on July 11, 2017 at 17:23Hi Communities,I am using STM32F745VGTX Chip for my audio playing wave file application. My problem is that playing wave file takes too much processor power, therefore I want to use DMA instead. Is there any DMA mode,...

PC Connection detect using FTDI chip

Posted on July 06, 2017 at 15:40Hello,I am working on Stm32l073 series controller. I have small question regarding the deep sleep and exit from deepsleep modes when device is not plugged to PC i must make the device go to sleep. As the Block Diagram...

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srm by Associate II
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Code not going directly to main loop

Posted on June 22, 2017 at 11:16Hi,I am currently in the process of converting project code I have using the Standard peripheral library to the Hardware Abstraction Layer (HAL).I noticed that when I try to debug the code and place a breakpoint in th...

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LwIP BYTE_ORDER compiler warning

Posted on May 23, 2017 at 02:09Hi,I am using CubeMX to generate a project using LWIP. The following files is added to my project which defines BYTE_ORDER:<project>/Middlewares/Third_Party/LwIP/system/arch/cpu.hThis define generates a compiler warnin...

STM32CUBE V4.21.0 LWIP Bug

Posted on July 04, 2017 at 08:14Hello everybody,i have found a bug in STM32Cube V4.21.0.I use the STM32F429BITxWhen i select the following settings the generated code have some RTOS functions. Please fix it.void MX_LWIP_Init(void){ /* IP addresses i...

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mfrank9 by Associate III
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STM32L0 - USB Configuration

Posted on July 04, 2017 at 17:44Hi,I am writing a firmware for a USB device that uses the STM32L052K8 microcontroller.Because my device must exhibit two USB interfaces, I have implemented a custom Composite Device class that acts like as broker: it ...