STM32 MCUs Products

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Forum Posts

BlueNRG DK 1.9.0 Projects not for Keil-ARM?

Posted on February 18, 2016 at 16:06Hi, I just downloaded the BlueNRG DK 1.9.0 to check the Nucleo Skin X-Nucleo-IDB05A1. Just to my surprise there all projects come only with IAR-EWARM Project files. Is this reality or STM really wants all Programm...

flyer31 by Senior
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  • 1 replies
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Nearly unusable Edit box in the forum!

Posted on February 18, 2016 at 12:13Hello, my sceen is big, but the layout of the edit box only shows 5 lines. It is a pita to edit in such a small box. Regards #forum #usability

HAL drivers SPI problem on STM32F4 Discovery

Posted on February 16, 2016 at 17:32 I have run into a problem when trying to setup a SPI com between the STM32F4 Discovery and a CR95HF RFID. The MISO data looks correct in the scope, however the software reads the bit 0 as 0 always, giving me ...

cesar by Associate
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  • 2 replies
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Using USB CDC as a passthrough to program another MCU

Posted on February 18, 2016 at 01:43I'm using an STM32F407 (#1) connected to PC via USB and another STM32F407 (#2) via UART3. I'm trying to program #2 via the bootloader using STMFlashLoader.exe by initializing #1 as a USB CDC device and passing thr...

jeffreyc by Associate
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IAP: Boot Loader Write Protection

Posted on January 30, 2016 at 13:43Dear Forum Members, I am using STM32f103 custom board. I have divided my flash into 2 parts, one for custom bootloader and other for application(as explained in ST IAP example). Now I want to made boot loader secti...

Alternative Function

Posted on February 18, 2016 at 09:48Hi i wonder if it is possible to read the changes on the GPIO pin where the GPIO pin is configured as GPIO_Mode  = AF pin mode.  on f429?

arunl4g by Associate II
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STM32F4, HAL Lib, USART IRQ

Posted on February 10, 2016 at 09:40 Hi all, I'm working with STM32F4 mcu and keil uVision 5 IDE. I'm tryng to configure RS232 periph. but I have a problem. Transmission works fine but I'm not able to receive interrupt when something is recei...

tommaso by Associate II
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USB transfer multiple of packet size

Posted on June 14, 2014 at 15:30I don't know whether this is related to the STM32CubeF4 package or the STM32F407 so I'll post here.I'm using the STM32F4 discovery board and the onboard USB FS port.I wrote a VCP interface that lets me send a buffer o...

shippo by Associate II
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Upgrade from USB Host Library 2.0.0 to 2.1.0

Posted on June 24, 2014 at 18:02Hi guys,I recently upgraded my USB Host libary in one of my programs from version 2.0.0 to version 2.1.0 and it seems to have broken something. When I try to read a file from my USB Flash drive using FatFs, it crashes...

Why I can't use PA0 to get the function generator signal?

Posted on February 18, 2016 at 03:32I used a function generator send a signal to PA1, if PA1 get the high signal that let LED on. But my program can't work correctly. Always high or always low, depend on GPIO_Mode = IPU or IPD. Below are my program,...