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HELP_STM32F4DIS and HC SR04

Posted on November 17, 2016 at 14:26 I comunicate stm32f4dis with hc sr04 but always distance_mm=0, PB1-Trig PB0-Echo #include ''stm32f4xx.h'' GPIO_InitTypeDef GPIO_InitStructure; void GPIO_Configuration( void ); void ...

STM32F103 xl option bytes

Posted on November 17, 2016 at 13:39I'm unable to program the option bytes from user software. In an STM32F103RGT7.Erase works, program does not.Code:// Lock and unlockFLASH->CR = FLASH_CR_LOCK;if( FLASH->CR & FLASH_CR_LOCK ){  // Unlock fpec       ...

Jeroen3 by • Senior
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STemWin

Posted on September 07, 2016 at 23:27Hi, I wonder if there is any chance for stemwin 5.30 or newer in near future ?Thanks

How to configure GPIO input?

Posted on November 14, 2016 at 21:35Good day,What I want is: If I put GND to GPIOD_4 I want to LED ON.If high impedance then LED OFF.I attached my schematic with CHRG pin connected to GPIOD_4.Is it possible to pull up internally gpio?I wrote some co...

hitsumen by • Associate II
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Position Independent Code Support(PIC) on STM32F479NI

Posted on November 16, 2016 at 13:18We are trying to implement Position Independent Code (PIC) on STM32F479NI. We have used -fpic and -msingle-pic-base options while compiling the code. Initially we wanted prove that this PIC concept will work on a ...

jitheesh by • Associate
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DMA Issue for STM32F427 and OV5642

Posted on November 16, 2016 at 06:27Hello!Sir:I have a project which is the MCU(STM32F427) to drive the camera module(OV5642) and referenced the arduino web site (https://github.com/ArduCAM/Arduino/tree/master/ArduCAM) to setup the register value fo...

pohua by • Associate II
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STM32F429 Dead alternate function on pin?

Posted on November 16, 2016 at 06:42Hello,I am trying to configure pins D0-D15 on the STM32F429VIT6 to output sram data. The code seems to be functioning properly and I have scoped out each of the pins however Pin44(PE13)-D10 seems to never go high....

USB communication on Nucleo-64 STM32F401RE

Posted on November 16, 2016 at 10:25Hi,Currently I implemented SPI communication to external device using Nucleo-64 stm32f401RE.SPI implementation is based on Bit banding and not the HW SPI.Clk rate is ~3.2MHzSince the Nucleo-64 is used to communica...

nirb by • Associate II
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Is KEIL compiled .lib file compatible with GCC objdump?

Posted on November 12, 2016 at 23:21After I compiled the .lib library file using KEIL tool, then using rm-none-eabi-objdump to parse the .lib or any of the intermediate .o files, GCC objdump reports that ''File format not recognized''. I was wonderi...

Vu.Andy by • Associate III
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