前三个中断正常运行,PB3的中断进入不了中断,求解答
如题,PB3中断进入不了,为什么呢?求大神解答NVIC_InitTypeDef NVIC_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
EXTI_InitTypeDef EXTI_InitStructure;
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);//ÍⲿÖжϣ¬ÐèҪʹÄÜAFIOʱÖÓ
// KEY_Init();//³õʼ»¯°´¼ü¶ÔÓ¦ioģʽ
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1 | GPIO_Pin_2| GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOB,&GPIO_InitStructure);
//GPIOB.1 ÖжÏÏßÒÔ¼°Öжϳõʼ»¯ÅäÖÃ
GPIO_EXTILineConfig(GPIO_PortSourceGPIOB,GPIO_PinSource1);
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);
//GPIOB.2 ÖжÏÏßÒÔ¼°Öжϳõʼ»¯ÅäÖÃ
GPIO_EXTILineConfig(GPIO_PortSourceGPIOB,GPIO_PinSource2);
EXTI_InitStructure.EXTI_Line=EXTI_Line2;
EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
EXTI_InitStructure.EXTI_LineCmd = ENABLE;
EXTI_Init(&EXTI_InitStructure);
//GPIOB.0 ÖжÏÏßÒÔ¼°Öжϳõʼ»¯ÅäÖÃ
GPIO_EXTILineConfig(GPIO_PortSourceGPIOB,GPIO_PinSource0);
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);
//GPIOB.3 ÖжÏÏßÒÔ¼°Öжϳõʼ»¯ÅäÖÃ
GPIO_EXTILineConfig(GPIO_PortSourceGPIOB,GPIO_PinSource3);
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);
NVIC_InitStructure.NVIC_IRQChannel = EXTI0_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02; //ÇÀÕ¼ÓÅÏȼ¶2
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x04; //×ÓÓÅÏȼ¶1
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //ʹÄÜÍⲿÖжÏͨµÀ
NVIC_Init(&NVIC_InitStructure); //¸ù¾ÝNVIC_InitStructÖÐÖ¸¶¨µÄ²ÎÊý³õʼ»¯ÍâÉèNVIC¼Ä´æÆ÷
NVIC_InitStructure.NVIC_IRQChannel = EXTI1_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x01;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI2_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x02;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
NVIC_InitStructure.NVIC_IRQChannel = EXTI3_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0x02;
NVIC_InitStructure.NVIC_IRQChannelSubPriority =0x03;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO,ENABLE);
GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable, ENABLE);
DBGMCU_Config(((uint32_t)0x00000020),DISABLE);/* 解决仿真时JTAG复用口无法输出的问题 */
放在IO初始化相应功能之前,自己不会的话第一时间尽量想办法自己搞懂,比别人告诉你更好,数据手册和参考手册都有相应说明。
PB3为JTDIO口默认,需要remap相应IO口 enjoyfreescal 发表于 2015-8-31 12:40
受教了,其实我是做JAVA的,公司有个项目急,赶鸭子上架。。。。。。刚刚接触几天。表示万分感谢。 木头不流泪 发表于 2015-8-31 12:54
受教了,其实我是做JAVA的,公司有个项目急,赶鸭子上架。。。。。。刚刚接触几天。表示万分感谢。 ...
。。。。:funk: 晕,,,,,,,,,, 木头不流泪 发表于 2015-8-31 12:54
受教了,其实我是做JAVA的,公司有个项目急,赶鸭子上架。。。。。。刚刚接触几天。表示万分感谢。 ...
机会很好啊,做Java公司还给你机会做底层,好好把握啊!我一直想做这个,就是专业不对口! 这接受能力 犀利啊 问题解决了吗?同样也加了这两句话还是触发不了中断
/*开启GPIOB的外设时钟和AFIO时钟*/ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE); // 改变指定管脚的映射 GPIO_Remap_SWJ_JTAGDisable ,JTAG-DP 禁用 + SW-DP 使能 GPIO_PinRemapConfig(GPIO_Remap_SWJ_JTAGDisable,ENABLE);
解决了吗
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