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Posted on June 27, 2012 at 14:51Whats the difference about NVIC_SetPriority(TIMER0_IRQn, ((0x01<<3)|0x01)); and NVIC_SetPriority(TIMER0_IRQn, 9);   Is There a special motive to use the first form?????? THANKS #notation

USB, DMA, CDC and Speed ... Is it possible?

Posted on June 25, 2012 at 23:05Hi all, I have a fair bit of experience with the STM32 now and have got most peripherals working as I want on multiple projects but I am yet to master the USB. I would like to transfer data collected by a series of ...

gareth2 by • Associate II
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Olimex STM32-P407 USART3

Posted on June 23, 2012 at 13:55Hello,After dealing with my code for two days I have no other option than ask you guys. I have problems with my USART3/6 serial port on my Olimex STM32-P407 board:http://www.olimex.com/dev/pdf/ARM/ST/STM32-P407 Initia...

StdPeriph_Driver I2C

Posted on November 30, 2011 at 12:01Hello all, I want to use the StdPeriph_Driver as a guide for my own project. Part: STM32F100RB value line discovery (test kit). Trying to get the I2C to work. I want to use the I2C files (.c+.h) for my own projec...

STM32F4, Weird behavior with TIM6 to blink an LED

Posted on June 25, 2012 at 06:08I'm trying to learn how to use the basic timers, without the benefit of a library, so I have been reading the RM0090 reference manual. As a simple test I want to toggle the blue LED on the dev board (pin D15) once per...

upgrdman by • Associate II
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Discovery - disabling onboard peripherals

Posted on June 26, 2012 at 03:38Hi, Bit of a noob question here, but I'm planning to use a STM32F4DISCOVERY board purely for its onboard programmer and also to save space on my PCB (will connect via header). Unfortunately this means i get a bunch of...

GCC based Linker file for the STM32F0

Posted on June 26, 2012 at 18:26 Hello all I just wrote a simple linker file to be used in the gcc environment. One of my goals was to define a stack and heap section in the linker file. The linker file is provided below. It seems to compile wit...

UART stm32f4 discovery

Posted on June 22, 2012 at 15:56Hi, I try to receive a bluetooth packets through Uart but after the reception of the first packet it not receive the others. Every help is accepted. Thank you. I attach my code.

lacava by • Associate II
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STM32F10x memory remap

Posted on June 18, 2012 at 07:17Hi i have stm32f100rb mcu and i need to have custom memory map on it it can be a virtual memory which looks like from outside like or something like memory remap i was never doing somethink like that and i dont eve...

redkofka by • Associate II
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Controller resets when enabling interrupt

Posted on June 26, 2012 at 12:33controller resets when I enable timer interrupt with the period about half second.watchdog is ok.timer config:TIM_TimeBaseInitTypeDef  TIM_TimeBaseStructure;RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM6, ENABLE);TIM_Time...

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