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USART on the STM32F051

Posted on October 28, 2013 at 18:00Hi Folks, I am a little bit confused about the USART built in in the STM32F051. He is don`t talking to me although I am asking really polite. This is my init-code: RCC -> AHBENR |= (RCC_AHBENR_GPIOAEN); //PA9 GPIO...

carbolo by Associate II
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Help with SDIO please

Posted on October 28, 2013 at 15:31 Hi guys, first of all sorry if my english isn't good, lol. I've been working with a stm32f407vg + ethernet + lwip + sd card (using the stm32f4_discovery_sdio_sd.c) for my degree final proyect. I was abl...

Unable to upgrade the firmware on STM32F3Discovery board

Posted on October 28, 2013 at 16:59I used the STM32 ST-LINK Utility to connect to my STM32F3Discovery board.I couldn't seem to erase the chip, or erase any sectors so I thought the firmware needed to be updated in the embedded ST-LINK device on the ...

aras by Associate
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Using string type in C with STM32F4

Posted on October 28, 2013 at 15:54Hi everyone,I have to handle strings in my code and I don't know how to use this type of data. I assume that it comes with the compiler I'm using (gcc arm-none-eabi). I found and declared 'string.h' at the begining...

STM32L1: Routing Interface - How to use?

Posted on October 26, 2013 at 15:11Hi, the STM32L1 have an interesting new feature which is named ''Routing interface''. Has anybody used this already, or is there any application note describing its use in more detail than the Reference Manual?

flyer31 by Senior
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STM32 Discovery+OV2640 image too dark

Posted on October 28, 2013 at 04:14Hi everybody,I'm working with OV2640 and i've problem with brightness. I use TFT LCD to display, use config from STM32F4xx_DSP_StdPeriph_Lib ( dcmi_ov2640.c). DMA and DCMI working fine but the image i receive too d...

ST-Link won't run stand-alone on Windows 7

Posted on October 28, 2013 at 04:24I was interested in trying Espruino software on an STM32F4 and downloaded ST-Link.Unfortunately, when I try to run STM32 ST-Link Utility.exe I get a dialog''This application was unable to start correctly ()xc000007...

petecarr by Associate II
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Clock problem

Posted on October 28, 2013 at 10:53I work with STM32F103RBT6. In stm32f10x.h i set  #define STM32F10X_MD, it leads us to : #define SYSCLK_FREQ_72MHz 72000000 in system_stm32f10x.h. So SystemInit() function should go to SetSysClockTo72(). However on ...

jenya7 by Associate II
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