/**
* @brief This function handles the LVD Output interrupt request.
* @param None
* @retval None
*/
void LVD_IRQHandler(void)
{
if(EXTI_GetIntBitState(EXTI_LINE16) != RESET)
{
GPIO_WriteBit(LED1_GPIO_PORT, LED1_PIN,
(BitState)((1-GPIO_ReadOutputBit(LED1_GPIO_PORT, LED1_PIN))));
EXTI_ClearIntBitState(EXTI_LINE16);
}
}
void EXTI4_15_IRQHandler(void)
{
if (EXTI_GetIntBitState(CHARGING_EXTILINE) != RESET) {
if (check_charging() == CHARGING && get_charger_plug_flag() == CHARGER_UNPLUGGED) {
set_charger_plug_flag();
reboot_system(SUCCESS);
}
EXTI_ClearIntBitState(CHARGING_EXTILINE);
}
}
/**
* @brief Configure the selected EXTI line.
* @param None
* @retval None
*/
void EXTI_Configuration(void)
{
EXTI_InitPara EXTI_InitStructure;
/* Configure EXTI Line16(LVD Output) to generate an interrupt on rising and falling edges */
EXTI_ClearIntBitState(EXTI_LINE16);
EXTI_InitStructure.EXTI_LINE = EXTI_LINE16;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
EXTI_InitStructure.EXTI_LINEEnable = ENABLE;
EXTI_Init(&EXTI_InitStructure);
}
/**
* @brief This function handles EXTI4_15 interrupt request.
* @param None
* @retval None
*/
void EXTI4_15_IRQHandler(void)
{
/* Get the button interrupt bit state */
if(EXTI_GetIntBitState(EXTI_LINE7) != RESET)
{
ByteNumber = 2;
CEC_SendData(0x12);
SendBuffer = TransmitBuffer1;
CEC_StartOfMessage();
EXTI_ClearIntBitState(EXTI_LINE7);
}
/* Get the button interrupt bit state */
else if(EXTI_GetIntBitState(EXTI_LINE13) != RESET)
{
ByteNumber = 2;
CEC_SendData(0x12);
SendBuffer = TransmitBuffer2;
CEC_StartOfMessage();
EXTI_ClearIntBitState(EXTI_LINE13);
}
}
void exti_charging_deinit()
{
EXTI_InitPara EXTI_InitStructure;
RCC_APB2PeriphClock_Enable(RCC_APB2PERIPH_CFG, ENABLE);
/* Connect key EXTI Line to key GPIO Pin */
SYSCFG_EXTILine_Config(CHARGING_EXTI_GPIO, CHARGING_EXTI_PIN);
/* Configure increase key EXTI line */
EXTI_InitStructure.EXTI_LINE = CHARGING_EXTILINE;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LINEEnable = DISABLE;
EXTI_Init(&EXTI_InitStructure);
EXTI_ClearIntBitState(CHARGING_EXTILINE);
}
void exti_charging_init()
{
NVIC_InitPara NVIC_InitStructure;
EXTI_InitPara EXTI_InitStructure;
RCC_APB2PeriphClock_Enable(RCC_APB2PERIPH_CFG, ENABLE);
/* Connect key EXTI Line to key GPIO Pin */
SYSCFG_EXTILine_Config(CHARGING_EXTI_GPIO, CHARGING_EXTI_PIN);
/* Configure increase key EXTI line */
EXTI_ClearIntBitState(CHARGING_EXTILINE);
EXTI_InitStructure.EXTI_LINE = CHARGING_EXTILINE;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LINEEnable = ENABLE;
EXTI_Init(&EXTI_InitStructure);
EXTI_ClearIntBitState(CHARGING_EXTILINE);
NVIC_InitStructure.NVIC_IRQ = CHARGING_EXTI_IRQ; //使能按键所在的外部中断通道
NVIC_InitStructure.NVIC_IRQPreemptPriority = 0x01; //抢占优先级1
NVIC_InitStructure.NVIC_IRQSubPriority = 0x00; //子优先级1
NVIC_InitStructure.NVIC_IRQEnable = ENABLE; //使能外部中断通道
NVIC_Init(&NVIC_InitStructure); //根据NVIC_InitStruct中指定的参数初始化外设NVIC寄存器
}
/**
* @brief Main program.
* @param None
* @retval None
*/
int main(void)
{
/* Configure the USART peripheral ----------------------------------------*/
USART_InitStructure.USART_BRR = 115200;
USART_InitStructure.USART_WL = USART_WL_8B;
USART_InitStructure.USART_STBits = USART_STBITS_1;
USART_InitStructure.USART_Parity = USART_PARITY_RESET;
USART_InitStructure.USART_HardwareFlowControl = USART_HARDWAREFLOWCONTROL_NONE ;
USART_InitStructure.USART_RxorTx = USART_RXORTX_RX | USART_RXORTX_TX;
GD_EVAL_COMInit(&USART_InitStructure);
printf("\n\r *********************** RTC Calendar Demo ***********************\n\r");
/* Check if RTC has aready been configured */
if (RTC->BKP0R != BKP_VALUE)
{
RTC_PreConfiguration();
RTC_Setup();
}
else
{
/* Detect the reset source */
if (RCC_GetBitState(RCC_FLAG_POPDRST) != RESET)
{
printf("\r\n Power On Reset Occurred....\n\r");
}
else if (RCC_GetBitState(RCC_FLAG_EPRST) != RESET)
{
printf("\r\n External Reset Occurred....\n\r");
}
printf("\n\r No Need To Configure RTC....\n\r");
#ifdef RTC_CLOCK_SOURCE_LSI
RCC_LSI_Enable(ENABLE);
#endif
RTC_WaitRSF_ToSetAgain();
RTC_ClearBitState(RTC_STR_AF);
EXTI_ClearIntBitState(EXTI_LINE17);
RTC_ShowTime();
RTC_ShowAlarm();
}
RCC_ClearBitState();
/* LED1 GPIO Initialization */
RCC_AHBPeriphClock_Enable(LED1_GPIO_CLK, ENABLE);
GPIO_InitStructure.GPIO_Pin = LED1_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_MODE_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OTYPE_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PUPD_NOPULL;
GPIO_InitStructure.GPIO_Speed = GPIO_SPEED_50MHZ;
GPIO_Init(LED1_GPIO_PORT, &GPIO_InitStructure);
LED1_GPIO_PORT->BOR = LED1_PIN;
/* LED2 GPIO Initialization */
RCC_AHBPeriphClock_Enable(LED2_GPIO_CLK, ENABLE);
GPIO_InitStructure.GPIO_Pin = LED2_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_MODE_OUT;
GPIO_InitStructure.GPIO_OType = GPIO_OTYPE_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PUPD_NOPULL;
GPIO_InitStructure.GPIO_Speed = GPIO_SPEED_50MHZ;
GPIO_Init(LED2_GPIO_PORT, &GPIO_InitStructure);
LED2_GPIO_PORT->BOR = LED2_PIN;
/* RTC ALARM Interrupt Configuration */
EXTI_ClearIntBitState(EXTI_LINE17);
EXTI_InitStructure.EXTI_LINE = EXTI_LINE17;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LINEEnable = ENABLE;
EXTI_Init(&EXTI_InitStructure);
NVIC_InitStructure.NVIC_IRQ = RTC_IRQn;
NVIC_InitStructure.NVIC_IRQPreemptPriority = 0;
NVIC_InitStructure.NVIC_IRQSubPriority = 0;
NVIC_InitStructure.NVIC_IRQEnable = ENABLE;
NVIC_Init(&NVIC_InitStructure);
while (1)
{
}
}
