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Forum Posts

RTC Flags problem when alarm is set

Posted on May 16, 2014 at 13:37 Hi, My RTC (F103) is currently running from LSI. The counter is counting properly, and the SEC flag in CRL is set every second as expected. When the Alarm is set, the SEC flag is asserted and cannot be c...

STM32F05x SPI clk single bit

Posted on May 14, 2014 at 17:07 Hi, I have a PCB with a STM32F051 connected to 3 ADCs ( http://datasheets.maximintegrated.com/en/ds/MAX11166-MAX11pdf) in daisy chain. Page 29 Figure 14 of the datasheetshows the schematic I implement...

aoleon by Associate II
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  • 4 replies
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usb library on windows 7 (does not work)

Posted on May 01, 2014 at 18:46I am trying to use the usb library found here:  http://www.st.com/web/catalog/tools/FM147/CL1794/SC961/SS1743/PF257882#I am on windows 7, I am using the port207z board here with the STM32f207z: http://www.wvshare.com/p...

epataky by Associate II
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Problem with USART1 Interrupt

Posted on May 15, 2014 at 15:13Hi all.I have a problem with USART1 Interrupt.Actually, I use usart1 to receive data from my PC via terminal. But I didn't receive any data.Could u show me the problem in my program.P/s: I use led 7 segments to view re...

huonglq91 by Associate II
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  • 6 replies
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ADC result alignment

Posted on May 16, 2014 at 04:05 Hello, I have problem to get the ADC alignment feature working. config: STM32F407 on discovery board, Adjustable voltage (0 to 3V) connected to PA3 ADC resolution set to 12b Whatever alignmen...

STM32 development board for motor driver

Posted on May 10, 2014 at 11:18Hi friends,               i am new to STM32 , and i want to design a motor driver of my own (i.e BLDC). can anybody tell me which development board will suit for this, and i have also attached the motor specification k...

ADC+DMA Start with Timer delay -Help needed!-

Posted on May 13, 2014 at 22:53 hello All, i want to start an ADC with DMA in a timer(5) interrupt routine. when i test timer and adc individually they work right. but when i insert ADC start, in timer isr the timer and adc works once and the...

Config i2c with no external pullups

Posted on May 15, 2014 at 15:46I'm trying to connect my STM32F100 Discovery board to a sensor using the I2C bus. The sensor resides on a breakout board and I am using clip leads to go from my Discovery board to the breakout board. How would I config...

saccrue by Associate II
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stm32f107vc (olimex stm32-p107 revB) usart2

Posted on May 13, 2014 at 17:03 Hi all, As I have basically spent the whole day on this problem, trying to figure it out by myself, I am hoping to get some help from someone more experienced. My setup is the following: -(olimex s...

hagen by Associate
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  • 3 replies
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