//外部中断初始化程序
//初始化PE2~4,PA0为中断输入.
void EXTIX_Init(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
LED_Init();
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);//使能SYSCFG时钟
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource2);//PE2 连接到中断线2
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource3);//PE3 连接到中断线3
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource4);//PE4 连接到中断线4
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource0);//PA0 连接到中断线0
/* 配置EXTI_Line0 */
EXTI_InitStructure.EXTI_Line = EXTI_Line0;//LINE0
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//中断事件
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //上升沿触发
EXTI_InitStructure.EXTI_LineCmd = ENABLE;//使能LINE0
EXTI_Init(&EXTI_InitStructure);//配置
/* 配置EXTI_Line2,3,4 */
EXTI_InitStructure.EXTI_Line = EXTI_Line2 | EXTI_Line3 | EXTI_Line4;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//中断事件
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //下降沿触发
EXTI_InitStructure.EXTI_LineCmd = ENABLE;//中断线使能
EXTI_Init(&EXTI_InitStructure);//配置
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;//外部中断0
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x00;//抢占优先级0
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02;//子优先级2
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;//使能外部中断通道
NVIC_Init(&NVIC_InitStructure);//配置
NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;//外部中断2
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x03;//抢占优先级3
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02;//子优先级2
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;//使能外部中断通道
NVIC_Init(&NVIC_InitStructure);//配置
NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;//外部中断3
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;//抢占优先级2
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02;//子优先级2
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;//使能外部中断通道
NVIC_Init(&NVIC_InitStructure);//配置
NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQn;//外部中断4
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x01;//抢占优先级1
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02;//子优先级2
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;//使能外部中断通道
NVIC_Init(&NVIC_InitStructure);//配置
}
/****************************************************************************************
** 函数名称: ButtonInit
** 功能描述: EABox 使用的各按钮的初始化
** 参 数: none
** 返 回 值: none
** 作 者: Sevent
** 日 期: 2013年07月22日
**---------------------------------------------------------------------------------------
** 修 改 人:
** 日 期:
**--------------------------------------------------------------------------------------
****************************************************************************************/
void ButtonInit(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
/* 配置A3 脚为物理开关和WPS 功能开关(长按) */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* 配置B9 脚为软重启开关和恢复出厂 功能开关(长按) */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOB, &GPIO_InitStructure);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource3);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, EXTI_PinSource9);
/* Configure EXTI Line3 */
EXTI_InitStructure.EXTI_Line = EXTI_Line3;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Configure EXTI Line9 */
EXTI_InitStructure.EXTI_Line = EXTI_Line9;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* 设定外部中断3 的中断优先级 */
NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* 设定外部中断5-9 的中断优先级 */
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0E;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
static void gpio_init()
{
GPIO_InitTypeDef gpio;
GPIO_StructInit(&gpio);
gpio.GPIO_Mode = GPIO_Mode_AF;
gpio.GPIO_Speed = GPIO_Speed_50MHz;
gpio.GPIO_OType = GPIO_OType_PP;
gpio.GPIO_PuPd = GPIO_PuPd_DOWN;
gpio.GPIO_Pin = SX1276_CFG_SPI_SCK |
SX1276_CFG_SPI_MISO | SX1276_CFG_SPI_M0SI;
GPIO_Init(SX1276_CFG_SPI_LINE, &gpio);
GPIO_PinAFConfig(SX1276_CFG_SPI_LINE,
SX1276_CFG_GPIO_AF_SCK,
SX1276_CFG_GPIO_AF);
GPIO_PinAFConfig(SX1276_CFG_SPI_LINE,
SX1276_CFG_GPIO_AF_MISO,
SX1276_CFG_GPIO_AF);
GPIO_PinAFConfig(SX1276_CFG_SPI_LINE,
SX1276_CFG_GPIO_AF_M0SI,
SX1276_CFG_GPIO_AF);
gpio.GPIO_Mode = GPIO_Mode_OUT;
gpio.GPIO_OType = GPIO_OType_PP;
gpio.GPIO_PuPd = GPIO_PuPd_UP;
gpio.GPIO_Pin = SX1276_CFG_SPI_SEL_PIN;
GPIO_Init(SX1276_CFG_SPI_SEL_LINE, &gpio);
gpio.GPIO_Mode = GPIO_Mode_IN;
gpio.GPIO_Speed = GPIO_Speed_50MHz;
gpio.GPIO_PuPd = GPIO_PuPd_DOWN;
gpio.GPIO_Pin = SX1276_CFG_EXTI_PIN_DIO_0;
GPIO_Init(SX1276_CFG_EXTI_GPIO_DIO_0, &gpio);
gpio.GPIO_Mode = GPIO_Mode_IN;
gpio.GPIO_Speed = GPIO_Speed_50MHz;
gpio.GPIO_PuPd = GPIO_PuPd_DOWN;
gpio.GPIO_Pin = SX1276_CFG_EXTI_PIN_DIO_1;
GPIO_Init(SX1276_CFG_EXTI_GPIO_DIO_1, &gpio);
SYSCFG_EXTILineConfig(SX1276_CFG_SYSCFG_PORT_DIO_0,
SX1276_CFG_SYSCFG_PIN_DIO_0);
SYSCFG_EXTILineConfig(SX1276_CFG_SYSCFG_PORT_DIO_1,
SX1276_CFG_SYSCFG_PIN_DIO_1);
GPIO_ResetBits(SX1276_CFG_SPI_LINE, SX1276_CFG_SPI_SCK |
SX1276_CFG_SPI_MISO |
SX1276_CFG_SPI_M0SI);
}
/**
* @brief Configures EXTI Line15 (connected to PG15 pin) in interrupt mode
* @param None
* @retval None
*/
static void EXTILine13_15_Config(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
#ifdef USE_STM324x9I_EVAL
/* Enable GPIOC clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
#else
/* Enable GPIOG clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOG, ENABLE);
#endif /* USE_STM324x9I_EVAL */
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure PG15 pin as input floating */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
#ifdef USE_STM324x9I_EVAL
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_Init(GPIOC, &GPIO_InitStructure);
#else
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
GPIO_Init(GPIOG, &GPIO_InitStructure);
#endif /* USE_STM324x9I_EVAL */
/* Connect EXTI Line15 to PG15 pin */
#ifdef USE_STM324x9I_EVAL
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource13);
#else
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOG, EXTI_PinSource15);
#endif /* USE_STM324x9I_EVAL */
/* Configure EXTI Line15 */
#ifdef USE_STM324x9I_EVAL
EXTI_InitStructure.EXTI_Line = EXTI_Line13;
#else
EXTI_InitStructure.EXTI_Line = EXTI_Line15;
#endif /* USE_STM324x9I_EVAL */
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI15_10 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void Initialize_GPIO()
{
GPIO_InitTypeDef IO0,INITGPIO_E;
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
IO0.GPIO_Pin=GPIO_Pin_5;
IO0.GPIO_Mode=GPIO_Mode_IN;
IO0.GPIO_OType=GPIO_OType_PP;
IO0.GPIO_PuPd=GPIO_PuPd_DOWN;
GPIO_Init(GPIOD, &IO0);
IO0.GPIO_Pin=GPIO_Pin_10;
IO0.GPIO_Mode=GPIO_Mode_IN;
IO0.GPIO_OType=GPIO_OType_PP;
IO0.GPIO_PuPd=GPIO_PuPd_DOWN;
GPIO_Init(GPIOC, &IO0);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOD, EXTI_PinSource5);
EXTI_InitStructure.EXTI_Line = EXTI_Line5;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource10);
EXTI_InitStructure.EXTI_Line = EXTI_Line10;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
//CONFIGURE EXTI NVIC TO LEAST PRIORITY
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
//general output for LEDS
INITGPIO_E.GPIO_Pin=GPIO_Pin_8|GPIO_Pin_9|GPIO_Pin_10|GPIO_Pin_11|GPIO_Pin_12|GPIO_Pin_13|GPIO_Pin_14|GPIO_Pin_15;
INITGPIO_E.GPIO_Mode=GPIO_Mode_OUT;
INITGPIO_E.GPIO_Speed=GPIO_Speed_50MHz;
INITGPIO_E.GPIO_OType=GPIO_OType_PP;
INITGPIO_E.GPIO_PuPd=GPIO_PuPd_NOPULL;
GPIO_Init(GPIOE,&INITGPIO_E);
}
//初始化PD6，PE2~4为中断输入
void EXTIX_Init(void)
{
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
init_button();//按键对应的 IO 口初始化
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE); //使能 SYSCFG 时钟
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource2); //PE2 连接线 2
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource3); //PE3 连接线 3
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource4); //PE4 连接线 4
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOD, EXTI_PinSource6); //PD6 连接线 6
/* 配置 EXTI_Line6 */
EXTI_InitStructure.EXTI_Line = EXTI_Line6; //LINE0
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //中断事件
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //上升沿触发
EXTI_InitStructure.EXTI_LineCmd = ENABLE; //使能 LINE0
EXTI_Init(&EXTI_InitStructure);
/* 配置 EXTI_Line2,3,4 */
EXTI_InitStructure.EXTI_Line = EXTI_Line2 | EXTI_Line3 | EXTI_Line4;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt; //中断事件
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; //下降沿触发
EXTI_InitStructure.EXTI_LineCmd = ENABLE; //中断线使能
EXTI_Init(&EXTI_InitStructure); //配置
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn; //外部中断 0
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =0x01; //抢占优先级 1
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02; //响应优先级 2
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能外部中断通道
NVIC_Init(&NVIC_InitStructure); //配置 NVIC
NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn; //外部中断 2
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02; //抢占优先级 2
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02; //响应优先级 2
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能外部中断通道
NVIC_Init(&NVIC_InitStructure); //配置 NVIC
NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn; //外部中断 3
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x03; //抢占优先级 3
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02; //响应优先级 2
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能外部中断通道
NVIC_Init(&NVIC_InitStructure); //配置 NVIC
NVIC_InitStructure.NVIC_IRQChannel = EXTI4_IRQn; //外部中断 4
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x04; //抢占优先级 4
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02; //响应优先级 2
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //使能外部中断通道
NVIC_Init(&NVIC_InitStructure); //配置 NVIC
}
void arch_ExtIrqRxConf(uint_t nPort, uint_t nPin)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
switch (nPort) {
case 0:
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, nPin );
break;
case 1:
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, nPin );
break;
}
}
/**
* @brief Configure (PE8 and PE9) or PG8 in interrupt mode
* @param None
* @retval None
*/
void EXTI9_5_Config(void)
{
/* Configure (PE8 and PE9) or PG8 pin as input floating */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
#if defined USE_STM32L152_EVAL
/* Enable GPIOE clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOE, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8 | GPIO_Pin_9;
GPIO_Init(GPIOE, &GPIO_InitStructure);
#elif defined USE_STM32L152D_EVAL
/* Enable GPIOG clock */
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOG, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
GPIO_Init(GPIOG, &GPIO_InitStructure);
#endif
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
#if defined USE_STM32L152_EVAL
/* Connect EXTI8 Line to PE8 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource8);
/* Connect EXTI9 Line to PE9 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource9);
#elif defined USE_STM32L152D_EVAL
/* Connect EXTI8 Line to PG8 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOG, EXTI_PinSource8);
#endif
/* Configure EXTI8 line */
EXTI_InitStructure.EXTI_Line = EXTI_Line8;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Configure EXTI9 line */
EXTI_InitStructure.EXTI_Line = EXTI_Line9;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI9_5 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void configureExternalInterrupts_9_5(void){
/* Set variables used */
GPIO_InitTypeDef GPIO_InitStruct;
EXTI_InitTypeDef EXTI_InitStruct;
NVIC_InitTypeDef NVIC_InitStruct;
/* Enable clock for GPIOB */
//RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
/* Enable clock for SYSCFG */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Set pin as input */
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_8 | GPIO_Pin_9;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_Init(GPIOC, &GPIO_InitStruct);
/* Tell system that you will use PC8 for EXTI_Line8 */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource5);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource8);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource9);
/* PC8 is connected to EXTI_Line12 */
EXTI_InitStruct.EXTI_Line = EXTI_Line5 | EXTI_Line8 | EXTI_Line9;
/* Enable interrupt */
EXTI_InitStruct.EXTI_LineCmd = ENABLE;
/* Interrupt mode */
EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
/* Triggers on rising and falling edge */
EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising;
/* Add to EXTI */
EXTI_Init(&EXTI_InitStruct);
/* Add IRQ vector to NVIC */
/* PB12 is connected to EXTI_Line12, which has EXTI15_10_IRQn vector */
NVIC_InitStruct.NVIC_IRQChannel = EXTI9_5_IRQn;
/* Set priority */
NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 0x00;
/* Set sub priority */
NVIC_InitStruct.NVIC_IRQChannelSubPriority = 0x01;
/* Enable interrupt */
NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE;
/* Add to NVIC */
NVIC_Init(&NVIC_InitStruct);
}
/**
* @brief Configures EXTI Line0 (connected to PA0 pin) in interrupt mode
* @param None
* @retval None
*/
static void EXTILine0_Config(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable GPIOA clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure PA0 pin as input floating */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* Connect EXTI Line0 to PA0 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource0);
/* Configure EXTI Line0 */
EXTI_InitStructure.EXTI_Line = EXTI_Line0;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI Line0 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/*
*********************************************************************************************************
* 函 数 名: PS2_StartWork
* 功能说明: 配置中断，开始解码
* 形 参: 无
* 返 回 值: 无
*********************************************************************************************************
*/
void PS2_StartWork(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* 使能SYSCFG时钟 */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* 连接 EXTI Line7 到 PG7 引脚 */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOG, EXTI_PinSource7);
/* 配置 EXTI LineXXX */
EXTI_InitStructure.EXTI_Line = EXTI_Line7;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling; /* 下降沿(等待 DRDY 由1变0的时刻) */
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* 设置NVIC优先级分组 */
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_4);
/* 中断优先级配置 最低优先级 这里一定要分开的设置中断，不能够合并到一个里面设置 */
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x03;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x03;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
PS2_CLK_1();
PS2_DATA_1();
g_tPS2.Status = 0;
PS2_ClearBuf(); /* 复位FIFO，清除缓冲区 */
}
//PA0 WKUP唤醒初始化
void init_wkup(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);//使能 GPIOA 时钟
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);//使能 SYSCFG 时钟
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0; //PA0
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;//输入模式
GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;//下拉
GPIO_Init(GPIOA, &GPIO_InitStructure);//初始化
EXTI_InitStructure.EXTI_Line = EXTI_Line0;//LINE0
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;//中断事件
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising; //上升沿触发
EXTI_InitStructure.EXTI_LineCmd = ENABLE;//使能 LINE0
EXTI_Init(&EXTI_InitStructure);//配置
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource0);//PA0 连接到线 0
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;//外部中断 0
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;//抢占优先级 2
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02;//响应优先级 2
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;//使能外部中断通道
NVIC_Init(&NVIC_InitStructure);//配置 NVIC
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2);//设置系统中断优先级分组 2
}
/**
* @brief This function is to initialize vexta excitation timing output
to be captured using external interrupt
* @param None
* @retval None
*/
void StepperFeedback_init (void)
{
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable GPIOB clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure PB12 pin as input pull up */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Connect MOTOR feedback to PB13, use EXTI to capture feedback */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, EXTI_PinSource13);
/* Configure EXTI Line13 */
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_InitStructure.EXTI_Line = EXTI_Line13;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI Line13 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_Init(&NVIC_InitStructure);
}
static void sensorsInterruptInit(void) {
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
// FSYNC "shall not be floating, must be set high or low by the MCU"
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_ResetBits(GPIOC, GPIO_Pin_14);
// Enable the MPU6500 interrupt on PC13
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_Init(GPIOC, &GPIO_InitStructure);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource13);
EXTI_InitStructure.EXTI_Line = EXTI_Line13;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
portDISABLE_INTERRUPTS();
EXTI_Init(&EXTI_InitStructure);
EXTI_ClearITPendingBit(EXTI_Line13);
portENABLE_INTERRUPTS();
}
/**
* @brief Configures EXTI Line14 (connected to PB14 pin) in interrupt mode
* @param None
* @retval None
*/
void EXTILine14_Config(void)
{
EXTI_InitTypeDef EXTI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable GPIOB clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB, ENABLE);
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure PB14 pin as input floating */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_14;
GPIO_Init(GPIOB, &GPIO_InitStructure);
/* Connect EXTI Line14 to PB14 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOB, EXTI_PinSource14);
/* Configure EXTI Line14 */
EXTI_InitStructure.EXTI_Line = EXTI_Line14;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI15_10 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/**
* @brief Configures EXTI Line0 (connected to PA0 pin) in interrupt mode
* @param None
* @retval None
*/
static void EXTILine_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Enable GPIOA clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure PE0 and PE1 pins as input floating */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0|GPIO_Pin_1;
GPIO_Init(GPIOE, &GPIO_InitStructure);
/* Connect EXTI Line to PE1 pins */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource1);
/* Configure EXTI Line1 */
EXTI_InitStructure.EXTI_Line = EXTI_Line1;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_3);
/* Enable and set EXTI Line0 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x00;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x00;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
void led_power_init(int init_irq)
{
EXTI_InitTypeDef ei;
GPIO_InitTypeDef gi;
NVIC_InitTypeDef ni;
gi.GPIO_Pin = GPIO_Pin_0;
gi.GPIO_Mode = GPIO_Mode_OUT;
gi.GPIO_OType = GPIO_OType_PP;
gi.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(GPIOF, &gi); // PF0: LED voltage enable
gi.GPIO_Pin = GPIO_Pin_1;
gi.GPIO_Mode = GPIO_Mode_IN;
GPIO_Init(GPIOF, &gi); // PF1: LED fault
if (init_irq)
{
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOF, EXTI_PinSource1);
ei.EXTI_Mode = EXTI_Mode_Interrupt;
ei.EXTI_Line = EXTI_Line0;
ei.EXTI_Trigger = EXTI_Trigger_Falling;
ei.EXTI_LineCmd = ENABLE;
EXTI_Init(&ei);
ni.NVIC_IRQChannel = EXTI0_1_IRQn;
ni.NVIC_IRQChannelPriority = 1;
ni.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&ni);
}
}
// map the pin to exti mode and setup the irq etc
static void gpio_set_edge_event(gpio_pin_t *pin, EXTITrigger_TypeDef trig, gpio_edge_event cb, void *param)
{
///@todo only run the parts here that are needed (ie if already inited)
///@todo if NULL cb deinit
EXTI_InitTypeDef exti_init;
NVIC_InitTypeDef nvic_init;
uint32_t exti_line = gpio_pin_to_exti_line(pin);
// set pin to EXTI mode
SYSCFG_EXTILineConfig(gpio_pin_to_port_source(pin), gpio_pin_to_pin_source(pin));
// Configure EXTIx line to trigger irq
if ((trig == EXTI_Trigger_Falling) && (EXTI->RTSR & exti_line))
trig = EXTI_Trigger_Rising_Falling; // was already configured as rising so set to both
else if ((trig == EXTI_Trigger_Rising) && (EXTI->FTSR & exti_line))
trig = EXTI_Trigger_Rising_Falling; // was already configured as falling so set to both
exti_init.EXTI_Line = exti_line;
exti_init.EXTI_Mode = EXTI_Mode_Interrupt;
exti_init.EXTI_Trigger = trig;
exti_init.EXTI_LineCmd = ENABLE;
EXTI_Init(&exti_init);
// Enable and set EXTI9_5 Interrupt to the lowest priority
save_pin_for_irq(pin); ///@todo this may need to warn if another pin is registered with this irq in case the caller forgets the pins share irq's
nvic_init.NVIC_IRQChannel = gpio_pin_to_exti_irq(pin);
nvic_init.NVIC_IRQChannelPreemptionPriority = 0x0F;
nvic_init.NVIC_IRQChannelSubPriority = 0x0F;
nvic_init.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&nvic_init);
}
void KEY_Configuration(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Configure the NVIC Preemption Priority Bits */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOE, &GPIO_InitStructure);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE,EXTI_PinSource2 );
NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
EXTI_InitStructure.EXTI_Line = EXTI_Line2;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_Init(&EXTI_InitStructure);
}
/**
* @brief initialize the EXTI0 and the the NVIC for it
*/
void intiEXTI0AndNVIC () {
//create variables
EXTI_InitTypeDef initEXTI0;
NVIC_InitTypeDef initNVIC;
initEXTI0.EXTI_Line = EXTI_Line0; //set external interrupt line to 0
initEXTI0.EXTI_Mode = EXTI_Mode_Interrupt; //set it to ba an interrupt
initEXTI0.EXTI_Trigger = EXTI_Trigger_Rising; //set to rising edge trigger. interrupt occurs with 0-1 transition
initEXTI0.EXTI_LineCmd = ENABLE; //enable line
EXTI_Init(&initEXTI0); //initialize EXTI0
//sets GPIO for EXTI0 line
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE, EXTI_PinSource0);
initNVIC.NVIC_IRQChannel = EXTI0_IRQn ; //set channel to the exti0 that we initialized
initNVIC.NVIC_IRQChannelPreemptionPriority = 0; //set to highest priority
initNVIC.NVIC_IRQChannelSubPriority = 0; //when needs to wait, set still as highest priority
initNVIC.NVIC_IRQChannelCmd = ENABLE; //enable channel
NVIC_Init(&initNVIC); //initialize NVIC
}
void attachInterrupt(uint8_t pin, void (*handler)(void), int mode)
{
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
// Record the handler to call when the interrupt occurs
irqlines[pins[pin].extipinsource].handler = handler;
/* Connect EXTI Line to GPIO Pin */
SYSCFG_EXTILineConfig(pins[pin].extiportsource, pins[pin].extipinsource);
/* Configure EXTI line */
EXTI_InitStructure.EXTI_Line = irqlines[pins[pin].extipinsource].extiline;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
if (mode == RISING)
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
else if (mode == FALLING)
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
else if (mode == CHANGE)
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = irqlines[pins[pin].extipinsource].extiirqn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x0F;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
// The relevant EXTI?_IRQHandler
// will now be called when the pin makes the selected transition
}
void EXTILine5_Config( void )
{
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
/* Enable GPIOD clock */
RCC_AHB1PeriphClockCmd( RCC_AHB1Periph_GPIOD, ENABLE );
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd( RCC_APB2Periph_SYSCFG, ENABLE );
/* Configure PD5 pin as input floating */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_Init( GPIOD, &GPIO_InitStructure );
/* Connect EXTI Line5 to PD5 pin */
SYSCFG_EXTILineConfig( EXTI_PortSourceGPIOD, EXTI_PinSource5 );
/* Configure EXTI Line5 */
EXTI_InitStructure.EXTI_Line = EXTI_Line5;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init( &EXTI_InitStructure );
/* Enable and set EXTI Line0 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI9_5_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init( &NVIC_InitStructure );
}
void EXTI0_Init()
{
// Enable clock for GPIOA
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
// Enable clock for SYSCFG
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
// Initialize PA0 as input for user button
GPIO_InitTypeDef GPIO_InitStruct;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_2MHz;
GPIO_Init(GPIOA, &GPIO_InitStruct);
// Selects the PA0 as external interrupt source
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource0);
// External interrupt settings
EXTI_InitTypeDef EXTI_InitStruct;
EXTI_InitStruct.EXTI_Line = EXTI_Line0;
EXTI_InitStruct.EXTI_LineCmd = ENABLE;
EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_Init(&EXTI_InitStruct);
// Nested vectored interrupt settings (most important interrupt)
NVIC_InitTypeDef NVIC_InitStruct;
NVIC_InitStruct.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE;
NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 0x00;
NVIC_InitStruct.NVIC_IRQChannelSubPriority = 0x00;
NVIC_Init(&NVIC_InitStruct);
}
/*******************************************************************************
* Function Name : InitCoins
* Description :硬币机初始化（投币）;包括电源控制口
* Input : void
* Output : void
* Return : void
*******************************************************************************/
void InitCoins(void)
{
GPIO_InitTypeDef GPIO_InitStructure;//GPIO初始化结构体
NVIC_InitTypeDef NVIC_InitStructure;//中断向量初始化结构体
EXTI_InitTypeDef EXTI_InitStructure;//外部中断初始化结构体
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE, ENABLE);//外设时钟使能
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12; //脉冲输入脚
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP ;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOE, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13; //投币机电源控制脚
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN ;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOE, &GPIO_InitStructure);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOE,EXTI_PinSource12); //中断线
EXTI_InitStructure.EXTI_Line=EXTI_Line12;
EXTI_InitStructure.EXTI_Mode =EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger=EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd=ENABLE;
EXTI_Init(&EXTI_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI15_10_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
EXTI_ClearITPendingBit(EXTI_Line12);
}
/**
* Configure the Card Detection Pin
* Name: SDCard_configureCD
*
* Description: Configures the card detection pin to generate an interrupt when a change in state is detected
* This uses the External Interrupt (EXTI) to handle the interrupt
* Then added into the Nested Vector Interrupt Controller (NVIC)
*
* Arguments: void
*
* Returns: void
*/
void SDCard_configureCD(){
EXTI_InitTypeDef EXTI_InitStruct;
NVIC_InitTypeDef NVIC_InitStruct;
/* Enable clock for SYSCFG */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Tell system that you will use PC7 for EXTI_Line0 */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOC, EXTI_PinSource7);
/* PC7 is connected to EXTI_Line7 */
EXTI_InitStruct.EXTI_Line = EXTI_Line7;
/* Enable interrupt */
EXTI_InitStruct.EXTI_LineCmd = ENABLE;
/* Interrupt mode */
EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
/* Triggers on rising and falling edge */
EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
/* Add to EXTI */
EXTI_Init(&EXTI_InitStruct);
/* Add IRQ vector to NVIC */
/* PC7 is connected to EXTI_Line7, which has EXTI9_5_IRQn vector */
NVIC_InitStruct.NVIC_IRQChannel = EXTI9_5_IRQn;
/* Set priority */
NVIC_InitStruct.NVIC_IRQChannelPreemptionPriority = 0x00;
/* Set sub priority */
NVIC_InitStruct.NVIC_IRQChannelSubPriority = 0x00;
/* Enable interrupt */
NVIC_InitStruct.NVIC_IRQChannelCmd = ENABLE;
/* Add to NVIC */
NVIC_Init(&NVIC_InitStruct);
}
void EXTILine3_Config(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable SYSCFG clock */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
/* Enable and set EXTI Line3 Interrupt to the lowest priority */
NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x01;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
/* Enable GPIOA clock */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
/* Configure PA3 pin as input floating */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* Connect EXTI Line3 to PA3 pin */
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource3);
/* Configure EXTI Line3 */
EXTI_InitStructure.EXTI_Line = EXTI_Line3;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
}
void init_EXTI_GPIO(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
EXTI_InitTypeDef EXTI_InitStruct;
RCC_AHBPeriphClockCmd(RCC_AHBPeriph_GPIOA, ENABLE);
//Init port_A
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_10MHz;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_Init(GPIOA, &GPIO_InitStruct);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource0, GPIO_AF_0);
RCC_APB2PeriphClockCmd(RCC_APB2ENR_SYSCFGEN, ENABLE);
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource0);
EXTI_InitStruct.EXTI_Line = EXTI_Line0;
EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStruct.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStruct);
NVIC_SetPriority(EXTI0_1_IRQn, 3); //задаем приоритет прерывания
NVIC_EnableIRQ(EXTI0_1_IRQn); //разрешение прерывания EXTI0_1
}
/**
* @brief Inicializa SW
*/
void bsp_sw_init() {
GPIO_InitTypeDef GPIO_InitStruct;
NVIC_InitTypeDef NVIC_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
// Arranco el clock del periferico
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
GPIO_InitStruct.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_OType = GPIO_OType_PP;
GPIO_InitStruct.GPIO_PuPd = GPIO_PuPd_DOWN;
GPIO_Init(GPIOA, &GPIO_InitStruct);
// Configuro interrupcion
SYSCFG_EXTILineConfig(EXTI_PortSourceGPIOA, EXTI_PinSource0);
/* Configuro EXTI Line */
EXTI_InitStructure.EXTI_Line = EXTI_Line0;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Habilito la EXTI Line Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/**
* @brief EXTI configuration for Ethernet link status.
* @param PHYAddress: external PHY address
* @retval None
*/
void Eth_Link_EXTIConfig(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable the INT (PB14) Clock */
RCC_AHB1PeriphClockCmd(ETH_LINK_GPIO_CLK, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure INT pin as input */
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
GPIO_InitStructure.GPIO_Pin = ETH_LINK_PIN;
GPIO_Init(ETH_LINK_GPIO_PORT, &GPIO_InitStructure);
/* Connect EXTI Line to INT Pin */
SYSCFG_EXTILineConfig(ETH_LINK_EXTI_PORT_SOURCE, ETH_LINK_EXTI_PIN_SOURCE);
/* Configure EXTI line */
EXTI_InitStructure.EXTI_Line = ETH_LINK_EXTI_LINE;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set the EXTI interrupt to priority 1*/
NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
/**
* Configure EXTI callback
*/
void setupSwitchB(void (*f)()){
externalInterruptCallbackB = f;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
/* Enable the clocks */
RCC_AHB1PeriphClockCmd(SWITCH_B_CLOCK, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
/* Configure switch pin */
configureDigitalInput(SWITCH_B_PORT, SWITCH_B_PIN, GPIO_PuPd_UP);
/* Connect EXTI Line to GPIO Pin */
SYSCFG_EXTILineConfig(SWITCH_B_PORT_SOURCE, SWITCH_B_PIN_SOURCE);
/* Configure EXTI line */
EXTI_StructInit(&EXTI_InitStructure);
EXTI_InitStructure.EXTI_Line = SWITCH_B_PIN_LINE;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
/* Enable and set EXTI Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = SWITCH_B_IRQ;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = SWITCH_B_PRIORITY;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = SWITCH_B_SUBPRIORITY;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
