int main(void){ HAL_Init(); BSP_LED_Init(LED3); BSP_LED_Init(LED4);BSP_LED_Init(LED5);BSP_LED_Init(LED6); /* Initialize TIM3 to emulate a quadrature encoder outputs */ Init_TIM_Emulator(&EmulatorHandle);   UartHandle.Instance     = USARTx;   UartHand...

hi, I use the official example to change, the example need two board(one master and one slave), I am tring to make spi master and slave communication in one board, My board stm32f411ve. I use PortB13~15(spi2) and3~5(spi3), when I set both of spi2 and...

hi guys, i'm stm freshman, I am trying to read the adc value by using the adc example of stm32f4, I added bold code to get uhADCxConvertedValue value, but uhADCxConvertedValue value always get 0 Whether I connect adc pin to grounded or vcc.the led4 ...