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Actual speed of the STM32F4-Discovery

Posted on July 07, 2013 at 21:30Running into some discrepancies between my code and the world. So I was operating under the assumption that the STM32F4-Discovery board was running at 168Mhz SysClock. When building the SysTick_Handler it was running ...

orders-st by Associate II
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Diff b/w Interrupt & Event

Posted on June 20, 2013 at 14:10What the diff b/w interrupt & event. I read topic i reference manual with heading:1 . Hardware interrupt selection 2. Hardware event selection3. Software interrupt/event selection

The 32bit@32cents : STM32F030 Value Line

Posted on July 08, 2013 at 16:03STMicroelectronics has announced today in Bangalore the STM32F030 Value Line : the 32bit@32cents :)The STM32F030 features an ARM Cortex M0 core and runs at speedsup to 48 MHz like other today members of STM32F0 Series...

DCMI DR (data register) problem

Posted on July 08, 2013 at 07:49Good day,I have some problems with uint32_t DCMI_ReadData(void); function.I always have 0 data from that DCMI->DR register.I use STM32F4DISCOVERY board, (stm32f407vgt6 MCU).My interupt handler:void DCMI_IRQHandler(voi...

hitsumen by Associate II
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can i debug stm32 with stm-studio and MDK together?

Posted on July 04, 2013 at 15:04Can i debug stm32 with stm-studio and MDK together? I found that stm-studio and MDK can not debug stm32 at the same time. The reason is ST-LINK(v2) can not be connected by MDK and STMStudio at the same time.  #stm3...

STM32F103 I2C interrupt driven method 2

Posted on January 16, 2012 at 22:29I am having issues with interrupt driven I2C using method 2 from the reference manual. I am trying to read from the magnetometer on an lsm303dlh. The least significant bit of the most significant byte seems to be t...

eexlb2 by Associate
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STM32F103 HD - Initial Stack Pointer is Wrong

Posted on July 07, 2013 at 18:55I'm trying to set up a project (Eclipse, gcc, OpenOCD) for a hand made prototype board using an STM32F103RC chip (48K RAM).  It works, sort of.  My linker script specifies the initial stack pointer as _estack = 0x200...

STM32f2xx could not work with maximum frequency

Posted on July 03, 2013 at 13:27I'm using default configuration (according to UM1061, RCC section) to configure an SMT32F215RG to work with 120MHZ CPU clock. here is my configurations: /* PLL_VCO = (HSE_VALUE or HSI_VALUE / PLL_M) * PLL_N */ #define...