Hi, Here is my GPIO settings for PA3
GPIO_InitTypeDef GPIOSt; RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE); GPIOSt.GPIO_Mode=GPIO_Mode_Out_PP; GPIOSt.GPIO_Pin=GPIO_Pin_3; GPIOSt.GPIO_Speed=GPIO_Speed_50MHz; GPIO_Init(GPIOA,&GPIOSt);
But GPIO_SetBits(GPIOA,GPIO_Pin_3); it doesn't work. and I can't see any voltage higher than 0.14 volt. what is my mistake?
No,only an output
Try with GPIO_InitTypeDef GPIOSt = { 0 };