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stm32 DMA transfer to Timer

Posted on February 16, 2015 at 14:21 Hello, I'm working with the STM32F373 µC trying to get the DMA work with a timer. I want the DMA controller to write 3 different values in the ccr1 register of timer Unfortunately there is no exa...

STM32F405 USB HS in Device Mode not recognized

Posted on July 12, 2014 at 00:05 I am trying to get the USB in HS device mode working. I am using the ST USB OTG libraries in version 2.1.0. I modified the example code for a VCP device, so it fits my needs. Compiler flags are USE_USB_OTG_HS ...

aow by Associate
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STemWin writing to display buffer with interrupts disabled

Posted on February 20, 2015 at 10:31Hi there, I'm using STemWin for writing data to the display buffer located in an external video ram. Unfortunately reading / writing to this vram works only when the interrupts are disabled. Does emwin provide a ...

philipp by Associate II
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Undefined hardfault register value on STM32F429

Posted on February 20, 2015 at 10:20Hi there, while debugging I got a hard fault and checked the hard fault status register (0xE000ED2C). It  has the value 0x00000040 which means only one bit in the reserved section is set. Does anybody know what th...

philipp by Associate II
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RTC: Tamper sampling frequency

Posted on February 13, 2015 at 13:19HiIt was not clear from the datasheet, but is the TAMPFREQ register only applicable when using level detection and not edge detection?I am asking as PC13 (RTC_TS) is not available on some low pin count packages an...

Suggestion: #define DEVICE_IDx

Posted on February 20, 2015 at 03:04The usbd_desc.h file in STM32CubeF4 contains&sharpdefine         DEVICE_ID1          (0x1FFF7A10)&sharpdefine         DEVICE_ID2          (0x1FFF7A14)&sharpdefine         DEVICE_ID3          (0x1FFF7A18)Since the ...

mduffy by Associate II
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How to generate dutycycle for ESC controler using STM32F4

Posted on February 12, 2015 at 18:49 I have some brushless simonk ESC`s driving my brushless motors. I noticed that these esc`s are woring on a 1 to 2 ms pulse from a 50hz signal. Wich in duty cycle terms means that i must work with duty...

Bogdan by Senior
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Boundary Scan problem STM32L100RB

Posted on January 28, 2015 at 11:26I'm trying to run Boundary Scan on a board with a STM32L100RB mcu. It is the only Component in the boundary scan chain, but I can't get it to work. I get nothing at the JTDO pin. Anyone have any idea what might be ...

maria23 by Associate II
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Linker file in Keil

Posted on February 19, 2015 at 16:24Hi all,Is there a Linker file where to define flash sections to split my flash Memory code??

gerardo by Associate II
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