stm32烟雾传感器代码
时间: 2023-08-22 22:10:23 浏览: 34
以下是一个简单的基于STM32的烟雾传感器代码:
```c
#include "stm32f10x.h"
#define SMOKE_SENSOR_PIN GPIO_Pin_0
#define SMOKE_SENSOR_PORT GPIOA
int main(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
uint16_t smoke_value = 0;
// Enable GPIOA and ADC1 clocks
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_ADC1, ENABLE);
// Configure GPIOA pin 0 as analog input
GPIO_InitStructure.GPIO_Pin = SMOKE_SENSOR_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
GPIO_Init(SMOKE_SENSOR_PORT, &GPIO_InitStructure);
// Configure ADC1
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
// Enable ADC1
ADC_Cmd(ADC1, ENABLE);
// Start ADC1 Software Conversion
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
while (1)
{
// Wait for ADC conversion to complete
while (ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == RESET);
// Read ADC value
smoke_value = ADC_GetConversionValue(ADC1);
// Do something with the smoke value
}
}
```
该代码使用ADC1来读取烟雾传感器的模拟值,并将其存储在变量`smoke_value`中。您可以使用该值来执行任何操作,例如将其显示在LCD屏幕上或通过无线网络发送到远程服务器。请注意,此示例代码仅供参考,您需要根据您使用的烟雾传感器和STM32型号进行适当的修改。