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SPI Configuration

Posted on November 01, 2011 at 16:38Hello, I was learning reading the SPI documentation and there is something I do not understand. In the file stm32f10x_spi.h it is defined: #define SPI_Direction_2Lines_FullDuplex ((uint16_t)0x0000) #define SPI_Dir...

STM32F103ZE RS485 DMA communication problem

Posted on October 31, 2011 at 18:54HI!I have a problem with the following code .. After a few hours to several days. The maximum was to 14 days Data transmission stops working. Receive and transmit works in one task. (BACNET protocol) For DMA uses i...

arsi by • Associate
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  • 3 replies
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TIMER7 INTERRUPT FLAG NOT CLEARING

Posted on October 30, 2011 at 19:12Hello,I have one problem about clearing timer7 interrupt flag at different timer clock prescaler,void TIM7_IRQHandler(void){   if (ih == 0)   ih=1;   else   ih=0; TIM7->SR  = 0x0;}I m setting APB1 presclaer ...

USB CDC (Virtual COM) and DFU (Device Firmware Upgrade)

Posted on October 07, 2011 at 01:22Hi, i m using stm32 cortext m3. Is it normal to have CDC (virtual com port) combine with FDU to become a composite USB device? Is there any example on this? Thanks.This is so that a PC application can perform not o...

etan by • Associate II
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  • 7 replies
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device option bit IWDG

Posted on October 28, 2011 at 20:42I know how to set the IWDG hardware bit using the ST dongle. The production people are going to kill me if I ask them to use an additional dongle. (they use the Keil dongle) Is there another way to enable the hardw...

emalund by • Associate III
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  • 0 replies
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STM32-MP3NL/COD - MP3 decoding

Posted on October 28, 2011 at 16:21Hi Does anybody know the status of the proposed MP3 licence per device?http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATA_BRIEF/DM00024441.pdf Cheers, Martin.

STM32F207 and internal USB phy

Posted on September 06, 2011 at 17:17Hi, I am working on a STM32F207 micro controller on a personal Borad.I use 2 USB - A usb OTG on internal phy of pin PA9, PA10, PA12 andPA13 with a mini AB connector   This is the same use onthe eval board - A usb...

axel by • Associate II
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  • 4 replies
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STM32 I2C slave

Posted on October 27, 2011 at 10:18Hi, I configured STM32 I2C as slave. I have a master which read data of a valid STM32 I2C register address and then data of an STM32 I2C not valid register address, which is the data expected on the SDA line? After...

brazov22 by • Associate II
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