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Why remap?

Posted on August 19, 2014 at 14:43Why remap? #stm32f103-spi-remapping #rtfm

strange interrupt behaviour

Posted on August 18, 2014 at 16:39Hi, I hope someone can explain this strange behaviour using interrupts on a STM32L151: I send out data via a UART using a software ring buffer. To know how much data are there to be send I use an integer counter var...

mmensch by • Associate II
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stm32f429zı emwin issue

Posted on August 19, 2014 at 16:44  I include emwin and FreeRTOS library and write GUI_Init(); function. I want to see 'hello world' on LTCD but didnt. firstly, I saw white screen after display has turned black increasingly. I'm giving code below. I...

ceylan by • Associate II
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HELP: FSMC on MCBSTM32F400 Keil evaluation board

Posted on August 18, 2014 at 12:24I'm using the Keil evaluation board (MCBSTM32F400) and i need help to understand how to use FSMC. There's NAND chip (MT29F4G08A) on board connected to FSMC but cannot find any examples how to use the controller with...

jarno by • Associate III
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  • 3 replies
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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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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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