Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on April 25, 2014 at 10:58 hi every body. i have ahmc5611-01ba03 barometric pressure sensor and i want to get temperature and pressure from it. i connected to my stm32f047 Discovery board through i2c. i implemented all of things that i...
Posted on June 28, 2014 at 11:30There is equation in AN4013 timer overview:CCx update rate = TIMx_Counter_CLK / CCRx.What is CCx update rate?Does CCx update rate depend on ARR? #timer #an4013
Posted on June 26, 2014 at 16:07 Hi all, I have a project that I've been working with that I recently tried to send over to another person but they're encountering an error when trying to flash their part. The code compiles fine but the f...
Posted on June 27, 2014 at 04:05Hi, I would like te receive 3 Bytes. Therefore I am sending a start, the I2C address of the slave, the register address, a repeated start, the slaveaddress again, then I receive the 3 bytes and finish wish a stop. So ...
Posted on June 27, 2014 at 13:58Hi, I am using IAr Embedded for ARM. I programmed a ST32L151 micro but I configured the PA13(SWDAT) as a pull-down when it should be a pull-up and now I can not program again the micro. I tried to put a resistance to...
Posted on June 27, 2014 at 00:54Hello Everyone,Our goal is to compile an AudioSpeaker Demo included in the STM32_USB-FS-Device_Lib_V3.3.0. The IDE being used for this project is the IAR Embedded Workbench for ARM version 7.20.1.7307, IAR Embedded Wo...
Posted on June 20, 2014 at 17:12Hello everyone, i am trying to implement CAN on my application. It is the first time i am dealing with it. I've read a lot about protocol itself, and looked through a lot of examples which are posted in this forum. Th...
Posted on June 26, 2014 at 19:25I am using all 4 ADC's with 4 channels used on each. ADC 1 is on DMA1 and ADCs 2-4 have channels on DMA2. All 4 ADC's run off timer15 at 1Khz. The problem I am having is that I only get DMA interrupts for ADC 3,4 a ...
Posted on June 27, 2014 at 13:07Hi,I need to transmit 64 bytes at a time with xbee-pro-s2b. Then send xbee into sleep since this is battery powered application.At receiver end another xbee-pro-2b is connected which is not battery powered. So always ...
Posted on June 22, 2014 at 12:16There is a bug on the latest STM32F4 usb cdc code. Update the STM32CubeMX and the STM32CubeF4 library to the latest versions. Create a new project and enable RCC HSE with external crystal and HS usb in device mode (in...
