64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
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#include "bsp_key_exti.h"
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static void EXTI_NVIC_Config(void)
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{
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NVIC_InitTypeDef NVIC_IntStruct;
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NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
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//<2F><><EFBFBD><EFBFBD>key1
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NVIC_IntStruct.NVIC_IRQChannel = EXTI0_IRQn;
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NVIC_IntStruct.NVIC_IRQChannelPreemptionPriority = 1;
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NVIC_IntStruct.NVIC_IRQChannelSubPriority = 1;
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NVIC_IntStruct.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_IntStruct);
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//<2F><><EFBFBD><EFBFBD>key2
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NVIC_IntStruct.NVIC_IRQChannel = EXTI15_10_IRQn;
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NVIC_IntStruct.NVIC_IRQChannelPreemptionPriority = 1;
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NVIC_IntStruct.NVIC_IRQChannelSubPriority = 1;
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NVIC_Init(&NVIC_IntStruct);
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}
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void EXTI_Key_Config(void)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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EXTI_InitTypeDef EXTI_InitStruct;
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//<2F><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>ȼ<EFBFBD>
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EXTI_NVIC_Config();
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//<2F><>ʼ<EFBFBD><CABC>GPIO
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RCC_APB2PeriphClockCmd(KEY1_INT_GPIO_CLK, ENABLE); //key1ʱ<31><CAB1>
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RCC_APB2PeriphClockCmd(KEY2_INT_GPIO_CLK, ENABLE); //key2ʱ<32><CAB1>
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//<2F><>ʼ<EFBFBD><CABC>key1
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GPIO_InitStruct.GPIO_Pin = KEY1_INT_GPIO_PIN;
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GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
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GPIO_Init(KEY1_INT_GPIO_PORT, &GPIO_InitStruct);
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//<2F><>ʼ<EFBFBD><CABC>key2
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GPIO_InitStruct.GPIO_Pin = KEY2_INT_GPIO_PIN;
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GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
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GPIO_Init(KEY2_INT_GPIO_PORT, &GPIO_InitStruct);
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//<2F><>ʼ<EFBFBD><CABC>EXTI
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO, ENABLE);
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GPIO_EXTILineConfig(GPIO_PortSourceGPIOA, GPIO_PinSource0);
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GPIO_EXTILineConfig(GPIO_PortSourceGPIOC, GPIO_PinSource13);
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EXTI_InitStruct.EXTI_Line = EXTI_Line0; //key1
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EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
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EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Rising;
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EXTI_InitStruct.EXTI_LineCmd = ENABLE;
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EXTI_Init(&EXTI_InitStruct);
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EXTI_InitStruct.EXTI_Line = EXTI_Line13; //key2
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EXTI_InitStruct.EXTI_Mode = EXTI_Mode_Interrupt;
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EXTI_InitStruct.EXTI_Trigger = EXTI_Trigger_Falling;
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EXTI_InitStruct.EXTI_LineCmd = ENABLE;
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EXTI_Init(&EXTI_InitStruct);
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}
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