STM32F4XX与STM32F0XX编程差别

开发者钧溢技术 2022年11月11日

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//普通管脚初始化

/*****************************************************************************
STM32F0
******************************************************************************/
void BELL_Init(void)
{

GPIO_InitTypeDef GPIO_InitStruct;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_Level_2;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOA, &GPIO_InitStruct);

GPIO_ResetBits(GPIOA, GPIO_Pin_2);
}

/*stm32f4*/
void BEEP_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;

RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOF, ENABLE);//Ê¹ÄÜGPIOFÊ±ÖÓ
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;//ÆÕÍ¨Êä³öÄ£Ê½
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;//ÍÆÍìÊä³ö
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;//100MHz
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;//ÏÂÀ
GPIO_Init(GPIOF, &GPIO_InitStructure);//³õÊ¼»¯GPIO

GPIO_ResetBits(GPIOF,GPIO_Pin_8); //·äÃùÆ÷¶ÔÓ¦Òý½ÅGPIOF8ÀµÍ£¬
}

//中断管脚初始化

//F0

NVIC_InitStructure.NVIC_IRQChannel=TIM3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPriority=0x00;
NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
NVIC_Init(&NVIC_InitStructure);

//F4

NVIC_InitStructure.NVIC_IRQChannel=TIM3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0x01;
NVIC_InitStructure.NVIC_IRQChannelSubPriority=0x03;
NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
NVIC_Init(&NVIC_InitStructure);