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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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USB Disconnect circuit

Posted on August 19, 2014 at 13:45I've been looking through STM32 development board circuits to find the best way to connect the USB disconnect. I found the above circuit from the STM3210E-EVAL board, but all of the ST boards appear to have similar ...

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joe23 by Associate II
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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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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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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...