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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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USB Mass Storage Slow data copy speed

Posted on June 11, 2015 at 23:59Hello My Friends... I have a project that need USB (Device) Mass storage. My mcu is STM32F103RB. As i searched, i found the USB Library V3.3 in this site. so after prepared to work, i started to copy data to the mass,...

sm by Associate II
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STM32F4xx SPI2 and USB-HS conflict

Posted on June 12, 2015 at 01:26I have been hit with an odd issue - we have a very complex board, using practically all of STM32F429 device's peripherals (Ethernet, USB HS device, SDCARD, I2C , SDRAM interface, 3 SPI channels...). When USB HS (with...

dejan by Associate II
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ADC on stm32f0

Posted on June 12, 2015 at 10:22 Hi everyone, I am currently working on developping an ADC on my stm32f051r8 In fact, the peripheral sends always incoherent values (550 for 0V, 500 for 3V sometimes for exemple). Working on the code this mo...

Hardfault STM32

Posted on June 12, 2015 at 15:591. I am using STM32 with keil v5.2. In my code I am getting hardfault, however I don't see any error in ''fault report'' option of keil.3. What could be error?4. Attached is pic.http://www.docdroid.net/139z9/pic.pdf.h...

OTP(One time programmable)

Posted on June 11, 2015 at 13:25i am using stm32f4 discivery board .i would like to write a block of data to OTP. Can anyone tell me how to proceed. or does anyone put some  sample code for that. thank in advance .

arunl4g by Associate II
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Triggerring DMA on timer event for data logging

Posted on June 12, 2015 at 14:25Hello,I am trying to find solution for ADC (single channel) data logging at every 1 uSec using DMA. And DMA should inform CPU after 100 reading i.e after 100usec so that I can process these 100 reading at every 100use...

krunal2 by Associate
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bxCAN Error Interrupts

Posted on June 12, 2015 at 07:21I've got error interrupts enabled on the bxCAN peripheral on an STM32F429, but can't figure out how to dismiss the interrupt. When the error interrupt handler is entered, what do I need to do to dismiss the interrupt ...

jerry2 by Senior
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Cortex M4 Float to int: Round to Nearest / VCVTR?

Posted on June 12, 2015 at 12:31 Is there any way to convince the Keil/ARM MDK compiler to use the VCVTR command to convert floats to ints? That would be extremely nice. Currently the compiler seems to use always the VCVT, but this rounds towards ze...

flyer31 by Senior
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