前三个中断正常运行，PB3的中断进入不了中断，求解答

1万 · 2023-9-27 10:49

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);//Íâ²¿ÖÐ¶Ï£¬ÐèÒªÊ¹ÄÜAFIOÊ±ÖÓ
  // KEY_Init();//³õÊ¼»¯°´¼ü¶ÔÓ¦ioÄ£Ê½
  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 ÖÐ¶ÏÏßÒÔ¼°ÖÐ¶Ï³õÊ¼»¯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 ÖÐ¶ÏÏßÒÔ¼°ÖÐ¶Ï³õÊ¼»¯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 ÖÐ¶ÏÏßÒÔ¼°ÖÐ¶Ï³õÊ¼»¯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 ÖÐ¶ÏÏßÒÔ¼°ÖÐ¶Ï³õÊ¼»¯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; //ÇÀÕ¼ÓÅÏÈ¼¶2
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0x04;    //×ÓÓÅÏÈ¼¶1
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;       //Ê¹ÄÜÍâ²¿ÖÐ¶ÏÍ¨µÀ
NVIC_Init(&NVIC_InitStructure);    //¸ù¾ÝNVIC_InitStructÖÐÖ¸¶¨µÄ²ÎÊý³õÊ¼»¯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);

只看该作者 · 2023-9-29 20:35

没看到图片在哪啊

只看该作者 · 2023-9-30 11:33

你这个注释怎么是乱码啊

只看该作者 · 2024-8-21 07:17

应在操作时间内将胶料灌注完毕，否则影响流平

只看该作者 · 2024-8-21 08:20

测试负载测试是在特定的测试条件下进行的

只看该作者 · 2024-8-21 09:23

在测试中，可以改变负载电流，得到最大输出电流和输出电压

只看该作者 · 2024-8-21 11:19

信号防雷电路应满足相应接口信号传输速率及带宽的需求，且接口与被保护设备兼容。

只看该作者 · 2024-8-21 12:22

随着对电路板模块的需求增加

只看该作者 · 2024-8-21 14:18

防雷电路的输出残压值必须比被防护电路自身能够耐受的过电压峰值低，并有一定裕量

只看该作者 · 2024-8-21 15:21

模信号是幅度相等且相位相同的信号

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Cfinal是CESD和人体电容的并联组合

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构成各种滤波器对EMI进行滤波

只看该作者 · 2024-8-21 19:23

在动态测试之前，首先需要设定测试时间和测试频率

前三个中断正常运行，PB3的中断进入不了中断，求解答

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