STM32 MCUs Products

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Forum Posts

Switch to Lower Clock Speed - How To Do This?

Posted on May 08, 2015 at 07:07Hi, The STM32F4 on my application uses an 8MHz crystal, and synthesized to run at a bus speed of 168MHz. I'm doing some signal processing that really only requires a speed of 168MHz after a signal is detected. The dete...

STM32F103ZET6 CAN Bus is not working

Posted on May 06, 2015 at 14:52Dear I am trying to run the CAN bus of STM2F103ZET6. If I am not wrong it is on PB11 and PB12 pins. My code is as in attached file. I run code and check the waveform on logic analyzer and CRO both but nothing is happe...

[SOLVED] ADC problems - STM32F407 discovery

Posted on May 07, 2015 at 19:19 I am using 2 ADCs with DMA in simultaneous mode and sending data over usb. Here is the code: #include ''main.h'' const uint16_t BUFFER_SIZE = 400; volatile uint16_t ADCConvertedValues [BUFFER_SIZE]; volatil...

bzlybovz by Associate II
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Write ISR in uCOSII

Posted on May 07, 2015 at 22:01HII am Using stm32f40x and one of the UcosII from Micrium site.I have a problem to enable interrupts in uCOS. I use the BSPxx Functions to set vector and enable interrupts but it did not worked well.I would be very tha...

SDIO + DMA on stm32f103

Posted on May 07, 2015 at 15:56Hi everyone,I am using SDIO interface to write to SD card without using DMA. I am writing about 300 bytes of data at 50Hz. The problem is that with current implementation it slows down the code.Thats why I am thinking ...

STM32F103 TIM2 configuration

Posted on May 06, 2015 at 19:21 Hi there..! sorry if my question seems duplicate but I dont know what's wrong, I want to set TIM2 interrupt to 1 ms without success. this is my clock configuration #define __RCC_CR_VAL 0x010...

STM32F411 Virtual Com Error (Code 10)

Posted on May 06, 2015 at 15:05Hello,I am using the Cube to configure the micro's USB OTG as a virtual com device.  However, when I plug this USB into my Windows 7 PC, the driver on the PC reports that the device cannot be started (code 10).  I have...

nmadinger by Associate II
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