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STM32Cube MX (STM32F407G) HAL + FreeRTOS

Posted on August 14, 2014 at 18:46hi, I'm novice with  STM32CubeMX   HAL + FreeRTOS    with  KEIL  MDK-ARM ulink2 I have problems, with SysTick probably, HAL_RCC_ClockConfig, because it genere HardFault_Handler. When xPortSysTickHandler() in SysTic...

jose2 by Associate
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  • 5 replies
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questions about FreeRTOS and interrupts

Posted on August 18, 2014 at 23:20Hello,First of all, In a PIC32 environment, I usually fix a value for the heap somewhere in the IDE project settings, do I have to consider this while working with Atollic and STM32F4 ?I am new to STM32 MCU's and I ...

EXTI0_IRQHandler

Posted on August 15, 2014 at 18:56Dear friends. Show me please my mistake. When I debug the following program I even cannot get to ISR... I stay in infinite loop... Thanks! void EXTI0_IRQHandler (void); int main(void) {   /*!< At this stage the micr...

baev_al by Associate III
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  • 3 replies
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unexpected behavior? not able to clear TIM_IT_Update

Posted on August 19, 2014 at 01:01Hi, I am not able to clear a timer update flag while the timer is enabled. I am initializing a timer and the behavior is the following:     ....     TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure);     TIM4->SR = (ui...

stm32f10x rtc frequency measurement using internal timer

Posted on August 13, 2014 at 00:06Hello.I'm following the procedure in AN2604 and trying to use an internal timer to measure the rtc frequency by looping back the rtc into a timer pin, in my case PA8 (Timer 1 channel 1), and then using PWM input cap...

chmorgan by Associate II
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  • 7 replies
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STM32F4 I2C

Posted on August 18, 2014 at 18:11 Hi, I want to communicate with an i2c eeprom, I am able to send the first data but not the second. it seems that the buffer is full or there is another error somewere. Does anyone have an idea? #inclu...

How the UART works ?

Posted on August 18, 2014 at 16:20Hello,I'm discovering the STM32F407 with an STM32F4Discovery, in the past, I worked with a PIC32, and I see that there is many differences between those two microcontrollers.I want to understand how the UART periphe...

stm32f3 and stm32f4 library functions

Posted on August 18, 2014 at 16:17So this maybe a very stupid and noob question: Are the library functions of stm32f4 and stm32f3 the same? I have been working on stm32f4 for quiet a while and had written a large amount of code for a certain project...

furqan by Associate II
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STM32F4 Discovery not working out of the box.

Posted on July 23, 2012 at 19:53I got 2 new STM32F4 Discovery boards and both are not being recognized by STLINK utility. Here some of the observations. I compared the behavior to STM32F1 discovery board. (It is Windows 7 PC).1) Plug in STM32F1 boar...

bsp0524 by Associate II
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  • 15 replies
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STM32F4Discovery RTC WakeUp Interrupt

Posted on August 17, 2014 at 15:34 Hello,I'm currently quiet frustratedI'm trying to set up with the RTC wakeUp register an interrupt of 128Hz. For the RTC the LSI is used (I know not very precisely but for current testing propuse its enough)here i...