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stm32 usb library

Posted on September 19, 2011 at 11:45  function as following,  if xfer_len> hnptxsts.b.nptxfspcavail, then fifo space isn't enough /** * @brief  USB_OTG_HC_StartXfer : Start transfer * @param  pdev : Selected device * @param  hc_num : channel number...

yujiu by Associate
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HELP! SIMPLE APP WONT WORK

Posted on September 16, 2011 at 07:57just tryin to send PE.06 high but its not workin. is it my sourcecode? IT DOES compile without error or warnings.#include ''stm32f10x_lib.h''void Clk_Init (void) {   // 1. Clocking the controller from internal HS...

Getting the source of wakeup from STANDBY

Posted on September 17, 2011 at 12:53Hello,I have an application where I have 2 sources that wake my STM32F from STANDBY: RTC and wakeup pin. Both work well as designed (they wake my MCU from STANDBY) but I cannot get the flag to tell what caused th...

juraj2 by Associate II
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spi1 and dac1 conflict

Posted on September 18, 2011 at 22:38I have observed a conflict between SPI1 and DAC1 on stm32f103ZG micro. When spi1 is initialized first and then DAC1 the spi1 clock shuts down. It is time sensitive, but I manage to make repeatable on stm3210E-EV...

Problem with GPIO

Posted on July 02, 2011 at 16:15Hello, I try turn on and turn off a led when i press the button user1 but can not to do that, So i don´t understand my mistake. I m using Keil with stm32_init.c, i config GPIOA.PIN1 like floating input... the main co...

ivitro by Associate II
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STM32F2xx TIMER->ADC3->DMA->Interrupt

Posted on September 13, 2011 at 13:25I'm trying to use TIM1 to trigger the ADC3 to trigger DMA to trigger DMA ISR, with the code bellow, the problem is that the interrupt only occurs once. ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent; A...

Asantos by Senior
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FSMC SRAM unused pins clarification

Posted on September 15, 2011 at 16:39The STMicro FAQ states that when you configure FSMC for SRAM that the unused pins can be used for general purpose I/O.  Does that mean you cannot use the any of other alternate functions of those pins if you are ...

mmueller by Associate
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