Ask questions, find answers, and share insights on STM32 products and their technical features.
Posted on September 14, 2015 at 18:40I'm working on a new board that uses the STM32F446 running at 180MHz. The board uses an external 16MHz oszillator and I would like to use ''PLLSAIP'' for the 48MHz USB clock. The clock configuration from STM32Cub...
Posted on September 13, 2015 at 12:38 Guys, I want to use SPI1 for communicating with VS1... Is my configuration right ? #if !defined (USE_STM3210B_EVAL) && !defined (USE_STM3210E_EVAL) && !defined (USE_STM3210C_EVAL)&& !d...
Posted on September 15, 2015 at 16:47Hello,I have a basic breakpoint question. I am using Keil uVision5 with an ULINK-PRO. I have a project with Keil RTX RTOS. I set breakpoints at different places in my code and when the one of them triggered my...
Posted on May 24, 2012 at 10:11Please, could you help me? with STM32F4xx.But I think it's general problem with GNU linker.I'm working on SW for colour graphical display application.It works fine.But I need to store some data to Flash after the progr...
Posted on September 15, 2015 at 12:32 Hi, I have a stm32f4-disco, and I wanted to enable and disable a timer using external interrupt. When the external signal arrives I enable the timer, and when 400 ticks have passed I disable the ...
Posted on September 15, 2015 at 11:37 Hello, i am trying to measure a rc pwm signal (from a single channel of a rc receiver) This signal has a total period of 20ms (50 hz) The active pulse is between 900us and 2000us width St...
Posted on September 14, 2015 at 18:12I have an EXTI programmed on PortB line8 that works as expected when a rising edge is found on GPIO_IN8.Unfortunaltely sometimes, when I reset the GPIO_Pin15 of port B by doing GPIOB->BRR = GPIO_Pin_15 then t...
Posted on September 02, 2015 at 20:23 Hi, I create a new project using cubemx 4.10 with hal 1.8 for USB device. I'm looking for receive function and i found CDC_Receive_FS, but there is almost no code in ther: /** * @brief CDC_Receive_FS ...
Posted on September 04, 2015 at 19:08Dear all, I want to use TIM1 CH3N to drive a buzzer with different frequencies. I have tried to program TIM1 on channel 3N as below (the corresponding pin is already configured as AF_PP at 50 MHz): void buzz(uin...
Posted on September 14, 2015 at 12:18 Hi , still with my STM32F429I disco-board project , I would know what is the return of this functions: /** \brief Get Priority Grouping The function reads the priority grouping field from the N...
