解析代码extern __IO uint16_t ADC1_Value; extern __IO uint16_t ADC2_Value; ADC_HandleTypeDef hadc1; ADC_HandleTypeDef hadc2; void MX_ADC1_Init(void){ ADC_ChannelConfTypeDef sConfig; hadc1.Instance = ADC1; hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE; hadc1.Init.ContinuousConvMode = DISABLE; hadc1.Init.DiscontinuousConvMode = DISABLE; hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START; hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT; hadc1.Init.NbrOfConversion = 1; if (HAL_ADC_Init(&hadc1) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } sConfig.Channel = ADC_CHANNEL_4; sConfig.Rank = ADC_REGULAR_RANK_1; sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5; if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); }} void MX_ADC2_Init(void){ ADC_ChannelConfTypeDef sConfig; hadc2.Instance = ADC2; hadc2.Init.ScanConvMode = ADC_SCAN_DISABLE; hadc2.Init.ContinuousConvMode = DISABLE; hadc2.Init.DiscontinuousConvMode = DISABLE; hadc2.Init.ExternalTrigConv = ADC_SOFTWARE_START; hadc2.Init.DataAlign = ADC_DATAALIGN_RIGHT; hadc2.Init.NbrOfConversion = 1; if (HAL_ADC_Init(&hadc2) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); } sConfig.Channel = ADC_CHANNEL_5; sConfig.Rank = ADC_REGULAR_RANK_1; sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5; if (HAL_ADC_ConfigChannel(&hadc2, &sConfig) != HAL_OK) { _Error_Handler(__FILE__, __LINE__); }} void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle){ GPIO_InitTypeDef GPIO_InitStruct; if(adcHandle->Instance==ADC1) { __HAL_RCC_ADC1_CLK_ENABLE(); GPIO_InitStruct.Pin = GPIO_PIN_4; GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); HAL_NVIC_SetPriority(ADC1_2_IRQn, 0, 0); HAL_NVIC_EnableIRQ(ADC1_2_IRQn); } else if(adcHandle->Instance==ADC2) { __HAL_RCC_ADC2_CLK_ENABLE(); GPIO_InitStruct.Pin = GPIO_PIN_5; GPIO_InitStruct.Mode = GPIO_MODE_ANALOG; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); HAL_NVIC_SetPriority(ADC1_2_IRQn, 0, 0); HAL_NVIC_EnableIRQ(ADC1_2_IRQn); }} void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle){ if(adcHandle->Instance==ADC1) { __HAL_RCC_ADC1_CLK_DISABLE(); HAL_GPIO_DeInit(GPIOA, GPIO_PIN_4); } else if(adcHandle->Instance==ADC2) { __HAL_RCC_ADC2_CLK_DISABLE(); HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5); }} void HAL_ADC_ConvCpltCallback(ADC_HandleTypeDef* hadcx){ if(hadcx==&hadc1){ ADC1_Value=HAL_ADC_GetValue(hadcx);} if(hadcx==&hadc2){ ADC2_Value=HAL_ADC_GetValue(hadcx);}}
时间: 2023-09-01 20:13:43 浏览: 230
红队技巧:绕过ESET_NOD32抓取密码1
这段代码是一个使用 STM32 的 ADC(模数转换器)的程序。它初始化了两个 ADC 实例,分别为 ADC1 和 ADC2,并配置了它们的参数。其中,ADC1 的采样通道为 4,ADC2 的采样通道为 5。在初始化过程中,还对 ADC 的外部触发进行了配置。在 ADC 转换完成后,会调用 HAL_ADC_ConvCpltCallback 回调函数,将转换结果存储在 ADC1_Value 和 ADC2_Value 中。同时,该程序还定义了 HAL_ADC_MspInit 和 HAL_ADC_MspDeInit 函数,用于初始化和反初始化 ADC 的 GPIO 和 NVIC。
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