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New possibilities for the ultra-low power segment!

STM32U0 is the first Cortex-M0+ with a static consumption of only 160 nA in standby mode with RTC (Real-Time Clock) and 16 nA in shutdown. It also achieves 118 points in CoreMark and targets SESIP level 3 and PSA level 1 focusing on firmware code pro...

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STM32F4 SPI3 interrupt problem

Posted on July 08, 2014 at 08:25Hello;I am working on stm discovery. My aim is get output from speaker. I did it in main function. but i want to use SPI3 interrupt for send data. My codes in below. The code does not go to interrupt. I put breakpoint...

DMA2 ISR and TIMER ISR conflict

Posted on June 13, 2014 at 20:42Hello,I am confused by a DMA2 ISR and TIMER ISR conflict which is occurring in my project.The project is based upon the FATFS SDIO example project provided with the STM32F4Discovery PCB.I have had no trouble whatsoeve...

forrest by Associate II
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STM32F407VGT6 System Tick Configuration Issue

Posted on May 27, 2014 at 09:14Hi, I am facing an issue to configure system tick for STM32F407VGT6 discovery board. if (SysTick_Config(SystemCoreClock / 1000) is given in example to configure system tick for 1 milli sec. This board runs with 168MHZ....

Problem writing to flash

Posted on July 09, 2014 at 11:55Hi, I'm running the example code to try to program the flash memory. This starts:void WriteFlash(void){    /*!< At this stage the microcontroller clock setting is already configured,        this is done through System...

USB MSC BOT transfert problem

Posted on July 09, 2014 at 11:20Hey guys,I'm using STM32F4 discovery board and I have some problems to communicate between MCU and PC using MSC BOT protocol.I would like to exchange data from my MCU to my PC and my PC to my MCU.I'm using the library...

printf keil stm32 eval2 board

Posted on July 07, 2014 at 10:33Hey guys, I have been looking up how to do this for a while and I haven�t been able to figure it out.  How do I use printf in keil for the stm32439i-eval2 board? Is there code that will make this work anywhere? Thank...

Low Power Aplication with WDG

Posted on July 08, 2014 at 16:49Hi,I have programmed an application that reads sensors and then enters in low-power mode (StandBy)  for several hoursHow can I implement a watch dog to prevent failures during during the read operation?Best Regards,  ...

STM32F2 and FT245RL

Posted on July 07, 2014 at 15:46Hi,I have limited experience with USB.  I would like to implement the parallel FIFO interface to a STM32F2.  I am a bit at a lost not knowing where to start.. should I use the DMA or something else is more suited to t...