C++ (Cpp) PAout Examples

Example #1

File: pixelC_HW_flagLight.c Project: MaxwellXyao/pixelC3_Firmware_Example

void pixelC_HW_flagLight_Init(void)
{
	RCC->APB2ENR|=1<<2;    	  												
#if FLAGLIGHT_Pin/8									
		FLAGLIGHT_GPIOx->CRH&=~((u32)0xf<<((FLAGLIGHT_Pin%8)*4));		
		FLAGLIGHT_GPIOx->CRH|=(u32)0x3<<((FLAGLIGHT_Pin%8)*4);
#else
		FLAGLIGHT_GPIOx->CRL&=~((u32)0xf<<((FLAGLIGHT_Pin%8)*4));
		FLAGLIGHT_GPIOx->CRL|=(u32)0x3<<((FLAGLIGHT_Pin%8)*4);
#endif
	PAout(8)=1;	
}

Example #2

File: 外部中断.c Project: ypwhs/STM32

int main()
{
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);
    RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
    //初始化管脚
    
    NVIC_InitTypeDef NVIC_InitStructure;
    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);  //选择中断优先级分组，此处选择0。使0级抢占式优先级，16级亚优先级  
    NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;        //相应的通道配置，此处选择中断通道  
    NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;   //抢占式优先级配置  
    NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;          //亚优先级配置  
    NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;             //时能通道  
    NVIC_Init(&NVIC_InitStructure);                             //使用结构体完成配置  
    
    GPIO_InitTypeDef GPIO_InitStructure;
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOA, &GPIO_InitStructure);
    PAout(9)=1;
    //初始化PA09输出高电平,灭灯
    
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
    GPIO_Init(GPIOD,&GPIO_InitStructure);
    //初始化PD02输入,浮空
    
    GPIO_EXTILineConfig(GPIO_PortSourceGPIOD, GPIO_PinSource2);
    //配置中断源
   
    EXTI_DeInit();
    EXTI_InitTypeDef EXTI_InitStructure;
    EXTI_InitStructure.EXTI_Line = EXTI_Line2;
    EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
    EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
    EXTI_InitStructure.EXTI_LineCmd = ENABLE;
    EXTI_Init(&EXTI_InitStructure);
    //配置中断下降沿触发

    while(1)
    {
        delay(500);
    }
    return 0;
}

Example #3

File: main.c Project: cedar-renjun/usb_msd_bootloader

void usb_port_set(u8 enable)
{
    uint16_t value;
    
	RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA,ENABLE);
	if(enable)
    {
        value = _GetCNTR()&(~(1<<1));
        _SetCNTR(value);
    }
	else
	{
        value = _GetCNTR()|((1<<1));
        _SetCNTR(value);

		GPIOA->CRH&=0XFFF00FFF;
		GPIOA->CRH|=0X00033000;
		PAout(12)=0;
	}
}  

Example #4

File: 外部中断.c Project: ypwhs/STM32

void EXTI2_IRQHandler(void)
{
    PAout(9)=!PAout(9);
    EXTI_ClearITPendingBit(EXTI_Line2);
}

Example #5

File: main.c Project: ypwhs/STM32

void EXTI0_IRQHandler(void)
{
    PAout(9)=!PAout(9);
//    delay(10);
    EXTI_ClearITPendingBit(EXTI_Line2);
}

Example #6

File: pixelC_HW_flagLight.c Project: MaxwellXyao/pixelC3_Firmware_Example

void pixelC_HW_flagLight_Off(void)
{
	PAout(8)=1;
}

Example #7

File: pixelC_HW_flagLight.c Project: MaxwellXyao/pixelC3_Firmware_Example

void pixelC_HW_flagLight_On(void)
{
	PAout(8)=0;
}