STM32 MCUs Embedded software

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STM32F4 Discovery board Audio Card

Posted on February 16, 2016 at 06:05Hi I would like to use the discovery board as a USB audio card which can use usb play music from PC and record sound to PC. When I initialize the USB, I think I need to configure both EP_out and EP_in. SO in usbd_...

fangdu by Associate II
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  • 2 replies
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Source Code ''MASTER'' Usart STM32 Bootloader

Posted on December 10, 2015 at 10:58I would include in my app a button to do the update.I have found the AN3155 ''USART protocol used in the STM32 bootloader'' about writing the Master bootloader, but I want to know if you already have the source co...

Simultaneous sampling (USART+DMA+Timer)

Posted on February 13, 2016 at 22:26Hi guysI recently started to learn STM32F407. I'm sticking to a problem which likes drinking a glass of water for you, so please help me, I studied many tutorials and watched many videos but none explains these mo...

Receive interrupt problem in STM32F103ZET6

Posted on February 07, 2016 at 22:52Hello guys,I 'm a new STM32 user that started using and learning STM32 MCUs developing .I have circuit that I have a usart connection at usart2.I can transmit data from MCU perfectly and also I can receive data ea...

ehsan2754 by Associate II
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STM32CubeF4 CDC HOST

Posted on April 01, 2015 at 12:01 Hi I'm using STM32Cubef4 USB Host CDC library on STM32F429I-Discovery. I have problem to connect a FTDI device. The USB host process returnHOST_ABORT_STATE because the FTDI class is 0xFF (Vendor...

lorenzo2 by Associate II
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  • 1 replies
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USB CDC Virtual COM port timeout/Hang

Posted on February 11, 2016 at 00:23Hello,I have been tackling a USB issue on the STM32F373VC.My setup consists of a STM32F373 mcu setup  as USB Virtual COM port. On the host side, commands are sent from a PC(windows7, 64 bit) via a teraterm script....

bluevault by Associate II
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Best way to use HAL UART Receiver IT Function?

Posted on July 18, 2014 at 01:52I'm trying to understand how the interrupt handlers works for the HAL UART module. I have the UART1 set with global interrupts using stm32cubeMX generated code, and am able to send and receive data into buffers.Using ...

rajpaged by Associate II
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  • 14 replies
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STM32F103, HAL, USB CDC: hangup after reconnect

Posted on January 11, 2016 at 23:54Hi. I'm trying to make CDC console on STM32 device. But I've noticed some troubles: 1. When I re-connect USB cable to device, device just hangs. It seems like bug is in USB library - even blank project, that is gen...

nitr0 by Associate II
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  • 5 replies
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