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Forum Posts

where is the 2nd I2C interface of STM32F103?

Posted on October 29, 2015 at 08:59Hi all,Recently I am working on a demon code using STM32F103.In this demon code,it defines the PE2, PE3 as the I2C interface, as below:/* Configure I2C pins: PE2->SCL and PE3->SDA */ GPIO_InitStructure.GPIO_Pin = G...

laojian by Associate II
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Writing SD card raw level

Posted on October 30, 2015 at 06:50Is that possible to Write an SDCard at raw level without using FAT File system? if yes, how? is there any sample code? i am using stm32f4 #sdcard-stm32f4-sdio-fatfs

problem with pulse width measurement

Posted on October 29, 2015 at 23:06Hi, It seems there is a problem when I try the example project regarding using TIM input capture mode to measure pulse width. In example project, the both edge triggering mode is used. My question is how to set it ...

STM32VL discovery FAT drive

Posted on October 29, 2015 at 14:02When I plugged the STM32VL discovery board in a PC, there will be a ''removable drive'' in the Computer, and there are some internet shortcut in it. The Win says that it is formatted to FAT, and the free space is a...

lac by Associate II
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Std Periph Lib --> Project Setup / Debug

Posted on October 29, 2015 at 17:46HelloCurrently i work with the HAL lib where i can graphically setup the system clock of my STM32F4xx controller. I do have to set up the same libraries i wrote (mostly copy paste except interface commands,.. ) in ...

stm3f334 with software spi

Posted on October 29, 2015 at 17:05 hello all ; I need to use a software SPI in stm32f334 @ 72Mhz ; the maximum software SPI I can get is 1Mhz ; but I need 4 MHZ SPI ; could you tell me how to do that please ? here my code that I...

Enter stop-mode from PVD interrupt

Posted on October 29, 2015 at 17:13If i place my enter ''stop code'' into PVD interrupt I can enter stop mode but not exit. If i place the same code outside the PVD interrupt (in the while(1)) I can both enter and exit stop mode. I use STM32L053. if...

purkovic by Associate II
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UART frame error, STM32L476, HAL

Posted on October 29, 2015 at 16:58Hello. I have configured a UART using HAL. For most things, the same Setup that I've already had working when using blocking mode, using Transmit only. But now I tried to use Receive also. When the program starts t...

Stm32F0 I2C comunication trouble

Posted on October 29, 2015 at 15:02What is wrong here?I try to read 2 bytes data of temperature sensor LM73 by I2C of STM32F0Discovery based on STM32F051 micro. The micro is waiting RXNE event and doesn't exit from the loop.I don't see any activity ...