Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on September 15, 2012 at 09:58Can anyone please provide me with a link to some basic, low level, 4-bit SDIO interface code compatible with the STM32F4VGT? I'm not looking for it to support a file system(yet), I just want to be able to read by...
Posted on June 21, 2013 at 22:44I'm working on getting quadrature encoding working through either TIM1 or TIM8. I searched the past topics on this forum, but I can't tell how mine is different/ why it isn't working. I'm using USART to debug the co...
Posted on July 27, 2013 at 15:46Hi, I've noticed weird problem when calling few math functions few times in a row or a loop like: c = sin(3.0)+sin(5.0)+sin(5.0)+sin(5.0)+sin(5.0)+sin(5.0)+sin(4.0); Actually I don't know what's going wrong but my app...
Posted on July 27, 2013 at 10:02when i connect 16GB flash disk , stop in USB_Host.EnumState = ENUM_GET_FULL_DEV_DESCUSB_Host.gState=HOST_CTRL_XFERUSB_Host.gStateBkp =HOST_ENUMERATIONUSB_Host,RequestState=CMD_WAITbut when connect 4Gb usb flash d...
Posted on July 26, 2013 at 22:06Hi! please help to solve the problem. I use a compass and a compile-time compiler gives me the following:Error[Li005]: no definition for ''SYSCFG_EXTILineConfig'' [referenced from C:\Users\Ëåâàí\ Error[Li005]: no defi...
Posted on July 25, 2013 at 08:44i wanna used the STemWin Library to display the picture and video,i download the AN4323 Application note,it introduce how to use theSTemWin Library ,however ,i google it, but find nothing.i used the STM32F439 to cont...
Posted on July 26, 2013 at 22:15Sorry had to do this, but this is a request for Clive. There is no PM capability on these forums. If possible, Clive, could you please drop me a mail at admin AT 43oh.com I'd be grateful if you do. This does not rela...
Posted on July 25, 2013 at 23:25I'm working with a new device, and I'm trying to load to flash memory via the bootloader in DFU mode. I'm pretty new to this whole idea, so I'm somewhat confused as to how this works. From the documents I can find p...
Posted on June 19, 2013 at 18:30Powered up newly designed board today. Of course it seems not to work. :( Its based on Discovery board. I currently have only the STM portion populated. The Oscillator pins are both low. Using a 8 Mhz Xtal and 20 pf c...
Posted on July 26, 2013 at 12:06 Hi, i've got a problem with leaving from standby mode, both by RTC Alarm and WKUP pin. This is my code:int main( void ) { #ifdef DEBUG debug(); #endif prvSetupHardware(); GPIOC->ODR |= (u16)0x0040; PWR_EnterSTANDBY...
