YW51灰尘PM2.5传感器驱动（基于传感器管理组件）

YW51灰尘PM2.5传感器资料

YW51传感器是PM2.5普三代灰尘传感器，利用微小颗粒物体对光的散射原理，当微小颗粒物体经过检测孔，对光线形成散射时；散射光的一部分通过光轴，经透镜聚集到感光元器件，感光元器件将光信号转换为电信号输出。经过改进取消模拟输出口，并且将内部算法进行微调。串口输出更稳定。

YW_51.c

 1 /**
 2  * @file YW_51.c
 3  * @brief
 4  * @version 0.1
 5  * @date 2019-06-28
 6  *
 7  * @copyright Copyright (c) 2019  Chipintelli Technology Co., Ltd.
 8  *
 9  */
10 /*-----------------------------------------------------------------------------
11                             include
12 -----------------------------------------------------------------------------*/
13 #include "ci_sensor.h"
14 #include "ci110x_uart.h"
15 
16 /*-----------------------------------------------------------------------------
17                             define
18 -----------------------------------------------------------------------------*/
19 #define RECEIVE_DATA_UART (UART1)/*!< 接收数据串口 */
20 
21 /*-----------------------------------------------------------------------------
22                             extern
23 -----------------------------------------------------------------------------*/
24 
25 /*-----------------------------------------------------------------------------
26                         struct / enum / union
27 -----------------------------------------------------------------------------*/
28 
29 /*-----------------------------------------------------------------------------
30                             global
31 -----------------------------------------------------------------------------*/
32 uint8_t data_array[7] = {0};/*!< 接收数据数组 */
33 
34 /*-----------------------------------------------------------------------------
35                             declare
36 -----------------------------------------------------------------------------*/
37 
38 /*-----------------------------------------------------------------------------
39                             function
40 -----------------------------------------------------------------------------*/
41 /**
42  * @brief PM2.5传感器初始化
43  *
44  * @param irq_callback 中断回调
45  * @retval RETURN_OK
46  * @retval RETURN_ERR
47  */
48 int32_t yw51_open(void)
49 {
50     UARTInterruptConfig(RECEIVE_DATA_UART,UART_BaudRate2400);
51     return RETURN_OK;
52 }
53 
54 /**
55  * @brief PM2.5传感器读数据
56  *
57  * @param data 读到的数据
58  * @retval RETURN_OK
59  * @retval RETURN_ERR
60  */
61 int32_t yw51_read(sensor_data_t *data)
62 {
63     float data_l,data_h;
64     if(data_array[6] == 0xFF)
65     {
66         if(data_array[1]+data_array[2]+data_array[3]+data_array[4] == data_array[5])
67         {
68             data_h = data_array[1];
69             data_l = data_array[2];
70         }
71     }
72     else
73     {
74         return RETURN_ERR;
75     }
76     sensor_data_inform(SENSOR_TYPE_PARTICULATES);
77     data->particulates = (data_l + (data_h * 256)) * 6.25;
78     return RETURN_OK;
79 }
80 
81 /**
82  * @brief PM2.5传感器ops
83  *
84  */
85 sensor_ops_t yw51_ops =
86 {
87     yw51_open,
88     yw51_read,
89 };
90 
91 /*-----------------------------------------------------------------------------
92                             end of the file
93 -----------------------------------------------------------------------------*/

YW_51.h

/**
 * @file YW_51.h
 * @brief YW_51传感器的头文件
 * @version 0.1
 * @date 2019-07-02
 *
 * @copyright Copyright (c) 2019  Chipintelli Technology Co., Ltd.
 *
 */

#ifndef __YW_51_H__
#define __YW_51_H__

/**
 * @ingroup third_device_driver
 * @defgroup YW51
 * @brief YW51传感器驱动
 * @{
 */

#ifdef __cplusplus
extern "C" {
#endif

/*-----------------------------------------------------------------------------
                            include
-----------------------------------------------------------------------------*/
#include "ci_sensor.h"

/*-----------------------------------------------------------------------------
                            define
-----------------------------------------------------------------------------*/

/*-----------------------------------------------------------------------------
                            extern
-----------------------------------------------------------------------------*/
extern sensor_ops_t yw51_ops;

/*-----------------------------------------------------------------------------
                        struct / enum / union
-----------------------------------------------------------------------------*/

/*-----------------------------------------------------------------------------
                            global
-----------------------------------------------------------------------------*/

/*-----------------------------------------------------------------------------
                        function declare
-----------------------------------------------------------------------------*/
void yw51_uart_handler(void);

#ifdef __cplusplus
}
#endif

/**
 * @}
 */

#endif

/*-----------------------------------------------------------------------------
                            end of the file
-----------------------------------------------------------------------------*/

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原文地址：https://www.cnblogs.com/wangyanwen/p/11451368.html