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Unexpected readings (2X or 0.5X) using ADC on STM32F0

Posted on November 10, 2014 at 20:07 I'm using the ADC on a STM32F072RBT6 to read a constant voltage that is derived from my supply voltage. Sometimes, I get a reading that is twice the expected value, and sometimes I get a reading that is half ...

STM32F4 -- General FPU Questions

Posted on November 10, 2014 at 19:50I am using:STM32F401 & STM32F407 processorsKeil uVision 4.73I have several general questions about using the floating point unit on this processor.1. What should I expect to happen if I try to use floats without e...

dibs by Associate II
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Stm32f407 PPI communication with BLACK fin

Posted on November 10, 2014 at 13:16I want to write a code for PPI communication between stm32f407 and Blackfin .The code for blackfin I have got from open source...But I dont know how to write the same for stm32f407.Anybody have experience in doing...

sanjib by Associate III
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distinguish different stm32f407

Posted on November 10, 2014 at 03:39I have developed same binary code that can run on both 100 pins and 176 pins version of stm32f407. How can I distinguish these mcu by checking registers or memory locations? Their cpuid are same?thanks. #cpuid

shark by Senior
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STORAGE_IsReady_HS() function contains garbage

Posted on September 23, 2014 at 01:55Hi AllCube 4.3.1/Keil/F4:When generating a cube project that includes a USB(HS) mass storage driver, if the file ''USBD_Storage_if.c'' already exists in your project AND has been modified within *USER CODE BEGIN*...

stm32f4 discovery lis3dsh communication problem

Posted on November 10, 2014 at 00:19Hi!I have stm32f4 discovery board MB997C. I`m trying to communicate with LIS3DSH accelerometer. I have a problem - MISO line (port PA6) is always high. I`m just trying to get the value of WHO_AM_I register and as...

wersalec by Associate
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Using Internal Reference for ADC measurements

Posted on November 09, 2014 at 20:07Hi,I would like to use the internal reference (1,2 v) for ADC measurements on a STM32L151CC MCU ( 48 pin ). Is it possible? Thanks for your help.BR Per #internal-reference-adc

per23 by Associate
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GPIO_ToggleBits(GPIOD,GPIO_Pin_9);

Posted on November 09, 2014 at 12:46Dear All,I am using CMSIS '' STM32F0-Discovery_FW_V1.0.0 '' library files for STM32F0 MCU programming which does not support GPIO_ToggleBits(GPIOD,GPIO_Pin_9); instructionI already checked the ''gpio'' file which ...