简介
大家所熟悉都用过的温湿度传感器应该是DHT11了吧,基本上学习单片机的都用过。
但是DHT11的精度不是很高,湿度±5%RH,温度±1℃,而且测试的时候一般还要延时3S左右测一下,测试频率慢,而且体积大,价格大概3块多一个吧。
在淘宝上搜索温湿度传感器,偶然发现AHT10传感器,价格2.5一个,体积小,精度湿度±2%RH,温度精度±0.3℃。这个是国产温湿度传感器,性价比是比较高的,所以在这里介绍一下AHT10温湿度传感器的使用。
工程文件
- AHT10.C
- AHT10.H
ATH10.C
#include "AHT10.H"
u8 ACK,DATA[6];
void AHT_I2C_UserConfig(void){
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOF,ENABLE);
GPIO_InitStructure.GPIO_Pin = SDA|SCL;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(I2C_Prot,&GPIO_InitStructure);
}
void AHT_I2C_SDA_Mode(u8 addr)
{
GPIO_InitTypeDef GPIO_InitStructure;
if(addr){ //1 OUT
GPIO_InitStructure.GPIO_Pin = SDA;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(I2C_Prot,&GPIO_InitStructure);
}
else{ //0 INPUT
GPIO_InitStructure.GPIO_Pin = SDA;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
GPIO_Init(I2C_Prot,&GPIO_InitStructure);
}
}
void AHT_I2C_Start(void){
AHT_I2C_SDA_Mode(OUT);
SCL_High;
SDA_High;
delay_us(5);
SDA_Low;
delay_us(5);
SCL_Low;
}
void AHT_I2C_Stop(void)
{
AHT_I2C_SDA_Mode(OUT);
SDA_Low;
delay_us(5);
SCL_High;
delay_us(5);
SDA_High;
delay_us(5);
}
u8 AHT_I2C_Write_Ack(void)
{
u8 TimeAck = RESET;
AHT_I2C_SDA_Mode(INPUT);
SCL_High;
delay_us(2);
while(GPIO_ReadInputDataBit(I2C_Prot,SDA))
{
if(++TimeAck > 250)
{
AHT_I2C_Stop();return 1;
}
}
SCL_Low;
delay_us(2);
return 0;
}
void AHT_I2C_Write_Byte(u8 Data)
{
SCL_Low;
delay_us(2);
for(u8 i=0;i<8;i++)
{
AHT_I2C_SDA_Mode(OUT);
if((Data<<i)&0x80)
SDA_High;
else
SDA_Low;
SCL_High;
delay_us(2);
SCL_Low;
delay_us(2);
}
}
u8 AHT_I2C_Read_Data(void)
{
u8 Data = RESET;
for(u8 i=0;i<8;i++)
{
AHT_I2C_SDA_Mode(INPUT);
SCL_High;
delay_us(2);
Data <<= 1;
if(GPIO_ReadInputDataBit(I2C_Prot,SDA) == SET)
{
Data |= 0x01;
}
SCL_Low;
delay_us(2);
}
return Data;
}
void AHT_I2C_Sende_Ack(u8 ack)
{
AHT_I2C_SDA_Mode(OUT);
if(ack)
SDA_High;
else
SDA_Low;
SCL_High;
delay_us(2);
SCL_Low;
delay_us(2);
}
u8 AHT10_State(void)
{
//存在0 不存在 1
u8 ACK;
AHT_I2C_Start();
AHT_I2C_Write_Byte(AHT_WRITE);
ACK = AHT_I2C_Write_Ack();
AHT_I2C_Stop();
return ACK;
}
void AHT10_Write_Init(void)
{
// bit3 0 1
AHT_I2C_Start();
AHT_I2C_Write_Byte(AHT_WRITE);
AHT_I2C_Write_Ack();
AHT_I2C_Write_Byte(0XE1);
AHT_I2C_Write_Ack();
AHT_I2C_Write_Byte(0X08);
AHT_I2C_Write_Ack();
AHT_I2C_Write_Byte(0X00);
AHT_I2C_Write_Ack();
AHT_I2C_Stop();
delay_ms(40);
}
void AHT10_Write_Reset(void)
{
AHT_I2C_Start();
AHT_I2C_Write_Byte(AHT_WRITE);
AHT_I2C_Write_Ack();
AHT_I2C_Write_Byte(0XBA);
AHT_I2C_Write_Ack();
AHT_I2C_Stop();
delay_ms(20);
}
u8 AHT10_Read_Humi_Temp(float *HUMI, float *TEMP)
{
// 0数据正常 1 数据错误
u32 humi = 0,temp = 0;
AHT_I2C_Start();
AHT_I2C_Write_Byte(AHT_WRITE);
AHT_I2C_Write_Ack();
AHT_I2C_Write_Byte(0XAC);
AHT_I2C_Write_Ack();
AHT_I2C_Write_Byte(0X33);
AHT_I2C_Write_Ack();
AHT_I2C_Write_Byte(0X00);
AHT_I2C_Write_Ack();
AHT_I2C_Stop();
delay_ms(80);
AHT_I2C_Start();
AHT_I2C_Write_Byte(AHT_READ);
AHT_I2C_Write_Ack();
ACK = AHT_I2C_Read_Data();
AHT_I2C_Sende_Ack(0); //0000 1000 BIT3 0
if((ACK&0X08) == 0)
{
AHT10_Write_Init();
}
if((ACK&0X80) == 0)
{
//bit7 1 0
for(u8 i=0;i<5;i++){ // 0 1 2 3 4 5 ++i
DATA[i] = AHT_I2C_Read_Data();
if(i == 4)
AHT_I2C_Sende_Ack(1);
else
AHT_I2C_Sende_Ack(0);
}
AHT_I2C_Stop();
humi = (DATA[0]<<12)|(DATA[1]<<4)|(DATA[2]>>4);
temp = ((DATA[2]&0X0F)<<16)|(DATA[3]<<8)|(DATA[4]);
*HUMI = (humi * 100.0/1024/1024+0.5);
*TEMP = (temp * 2000.0/1024/1024+0.5)/10.0-50;
return 0;
}
AHT_I2C_Stop();
return 1;
}
ATH10.H
#ifndef _AHT10_H_
#define _AHT10_H_
#include "sys.h"
#include "delay.h"
#define SDA GPIO_Pin_0
#define SCL GPIO_Pin_1
#define I2C_Prot GPIOF
#define SDA_High GPIO_SetBits(I2C_Prot,SDA)
#define SDA_Low GPIO_ResetBits(I2C_Prot,SDA)
#define SCL_High GPIO_SetBits(I2C_Prot,SCL)
#define SCL_Low GPIO_ResetBits(I2C_Prot,SCL)
#define OUT 1
#define INPUT 0
void AHT_I2C_UserConfig(void);
void AHT_I2C_Start(void);
void AHT_I2C_Stop(void);
u8 AHT_I2C_Write_Ack(void);
void AHT_I2C_Write_Byte(u8 Data);
u8 AHT_I2C_Read_Data(void);
void AHT_I2C_Sende_Ack(u8 ack);
#define AHT_ADDRESS 0X70 //0X38
#define AHT_WRITE 0X70
#define AHT_READ 0X71 //0X39
extern u8 ACK,DATA[6];
u8 AHT10_State(void);
void AHT10_Write_Reset(void);
u8 AHT10_Read_Humi_Temp(float *HUMI, float *TEMP);
#endif
MAIN.C
/**
************************************* Copyright ******************************
*
* FileName : main.c
* Version : v1.0
* Author : dele
* Date : 2022-01-06
******************************************************************************
*/
//--------------------------------------------------------------------------------------------------
// 包含的系统外设头文件 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//--------------------------------------------------------------------------------------------------
#include "sys.h"
#include "delay.h"
#include "USART.H"
#include "timer.h"
#include "adc.h"
#include <math.h>
#include "wdg.h"
//--------------------------------------------------------------------------------------------------
// 包含的外部驱动头文件 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//--------------------------------------------------------------------------------------------------
#include "led.h"
#include "LCD.H"
#include "QDTFT_demo.h"
#include "Picture.h"
#include "key.h"
#include "oled.h"
#include "beep.h"
#include "dht11.h"
#include "bh1750.h"
#include "syn6288.h"
#include "AHT10.H"
//--------------------------------------------------------------------------------------------------
// 网络协议驱动头文件 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//--------------------------------------------------------------------------------------------------
#include "gizwits_product.h" //机智云网络协议驱动
//--------------------------------------------------------------------------------------------------
// 宏自定义声明 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
// 定义引用变量 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//--------------------------------------------------------------------------------------------------
//unsigned char num;
/* u8 unsigned char u16 unsigned short u32 unsigned int u64 unsigned long*/
unsigned short MQ135_ADC,MQ2_ADC,MQ4_ADC,MQ7_ADC; //ADC采集值
float temp1,temp2,temp3,temp4,MQ135_quality,MQ2_quality,MQ4_quality,MQ7_quality,Light; //实际转换值
extern u8 DHT11_Temp,DHT11_Hum; //温湿度
float aht_temp,aht_hum;
unsigned int time1 =0;
unsigned int timeCount1=0;
unsigned int timeflag1 =0;
unsigned int time2 =0;
unsigned int timeCount2=0;
unsigned int timeflag2 =0;
unsigned int time3 =0;
unsigned int timeCount3=0;
unsigned int timeflag3 =0;
unsigned int time4 =0;
unsigned int timeCount4=0;
unsigned int timeflag4 =0;
unsigned int Basictime =0;
unsigned int BasictimeCount=0;
unsigned int Basictimeflag =0;
unsigned char IC_Card[4]={0};
//--------------------------------------------------------------------------------------------------
// 硬件端口定义 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//--------------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------------
// 引用函数声明 | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//--------------------------------------------------------------------------------------------------
void LED_TEST(void);
void Hareware_Iint(void);
void TFT_ShowTEST(void);
void Usart_Test(void);
void oled_test(void);
void Timer_Configure(void);
void GeneralTimer_Test(void);
void Basic_Timer_Test(void);
void Basic_GeneralTimer_Test(void);
void USart_Configure(void);
void DHT11_DisPlay(void); //温湿度显示函数
void Gas_sensorGet_Data(void);//获取传感器数据
void IWdg_Test(void);
void LED_PWM_Test(void);
void BH1750_Test(void);
void Gizwits_Init(void);
void RFID_Test(void);
void PWM_Test(void);
//==================================================================================================
// 实现功能: 硬件初始化配置
// 函数说明: Hareware_Iint
// 函数备注:
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void Hareware_Iint(void)
{
delay_init(); // 延迟函数配置
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //设置中断优先级分组为组2:2位抢占优先级,2位响应优先级
// Timer_Configure();//定时器配置
USART1_Configuration(115200); //串口1配置
LED_Init(); //板载LED配置
KEY_Init(); //板载独立按键测试
DHT11_Init(); //DHT11温湿度传感器
AHT_I2C_UserConfig();
OLED_Init(); // IIC 0.96 oled
Lcd_Init(); //ST7735 LCD配置
LCD_LED_SET; //设置背光
Lcd_Clear(WHITE); //清屏
BEEP_Init(); //蜂鸣器配置
BH1750_Init(); //光照传感器配置
Adc_Init(); //ADC配置
Gizwits_Init(); //机智云配置
#if 0
/*独立看门狗配置*/
IWDG_Init(4,625); //与分频数为64,重载值为625,溢出时间为1s
/*窗口看门狗配置*/
WWDG_Init(0X7F,0X5F,WWDG_Prescaler_8);//计数器值为7f,窗口寄存器为5f,分频数为8
#endif
// TIM3_PWM_Init(899,0); //不分频。PWM频率=72000000/900=80Khz
}
//==================================================================================================
// 实现功能: LED测试函数
// 函数说明: PB5 LED0 PE5 LED1
// 函数备注: 板载LED 正常
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void LED_TEST(void)
{
LED0=0;
delay_ms(500);
LED0=1;
delay_ms(500);
LED1=0;
delay_ms(500);
LED1=1;
delay_ms(500);
}
//==================================================================================================
// 实现功能: TFT_ShowTEST测试函数
// 函数说明:
// 函数备注: ST7735 TFTLCD 测试正常
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void TFT_ShowTEST(void)
{
// Redraw_Mainmenu();
Num_Test();
// Font_Test();
Color_Test();
//TFT_ShowImage(gImage_qq);
Lcd_Clear(WHITE); //清屏
TFT_ShowString_16x16(0,16,"stm32 vscode",Red,White);
delay_ms(1000);
TFT_ShowNumber_SignedInteger_16x16(16,32,1234,5,Red,White);
delay_ms(1000);
TFT_ShowNumber_Float_16x16(0,48,123.56,4,3,Red,White);
delay_ms(1000);
TFT_ShowString_16x16(16,60,"By 2021-01-29",Red,White);
delay_ms(1000);
TFT_ShowString_16x16(0,90,"keil5 vscode",Red,White);
delay_ms(1000);
}
//==================================================================================================
// 实现功能: 串口配置配置
// 函数说明: TIM2,3,4,5
// 函数备注:
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void USart_Configure(void)
{
// UART4_Configuration(9600);//串口4配置
// USART1_Configuration(115200);//串口1配置
}
//==================================================================================================
// 实现功能: Usart_Test测试函数
// 函数说明: 串口配置测试函数 STM32F103ZET6 5个串口
// 函数备注: USART1 USART2 USART3 UART4 UART5
// TX端口 PA9 PA2 PB10 PC10 PC12
// RX端口 PA10 PA3 PB11 PC11 PD2
// 串口1~5 测试正常 打印效果正常
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void Usart_Test(void)
{
#if 0
UART_SendString(USART1,"usart1 test \r\n");
delay_ms(500);
TFT_ShowString_16x16(0,0,"usart1 test",Red,White);
#endif
#if 0
UART_SendString(USART2,"usart2 test \r\n");
delay_ms(500);
TFT_ShowString_16x16(0,16,"usart2 test",Red,White);
#endif
#if 0
UART_SendString(USART3,"usart3 test \r\n");
delay_ms(500);
TFT_ShowString_16x16(0,32,"usart3 test",Red,White);
#endif
#if 0
UART_SendString(UART4,"uart4 test \r\n");
delay_ms(500);
TFT_ShowString_16x16(0,48,"uart4 test",Red,White);
#endif
#if 0
UART_SendString(UART5,"uart5 test \r\n");
delay_ms(500);
TFT_ShowString_16x16(0,54,"uart5 test",Red,White);
#endif
#if 1
UART_SendNumber_SignedInteger(USART1,123,4);
UART_SendLine(USART1);
delay_ms(500);
UART_SendNumber_UnsignedInteger(USART1,123,4);
UART_SendLine(USART1);
delay_ms(500);
UART_SendNumber_Float(USART1,123.56,4,3);
UART_SendLine(USART1);
delay_ms(500);
UART_SendNumber_Binary(USART1,9,4);
UART_SendLine(USART1);
delay_ms(500);
#endif
}
//==================================================================================================
// 实现功能: oled_test测试函数
// 函数说明: 采用软件IIC 进行配置 SDA PB9 SCL in
// 函数备注: 测试正常
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void oled_test(void)
{
OLED_ShowChar_08x16(0,0,'@');
OLED_ShowChar_08x16(16,0,'&');
OLED_ShowNumber_SignedInteger_06x08(0,2,1234,5);
OLED_ShowNumber_UnsignedInteger_06x08(48,2,1234,5);
OLED_ShowNumber_Float_06x08(0,4,123.46,3,3);
OLED_ShowString_06x08(32,0,"oled");
OLED_ShowCHinese(0,6,0);
OLED_ShowCHinese(16,6,1);
OLED_ShowCHinese(32,6,2);
OLED_ShowCHinese(48,6,3);
OLED_ShowCHinese(64,6,4);
// OLED_Clear();
}
//================================================================================================
// 实现功能: Key_Test 按键测试函数
// 函数说明: KEY0 PE4 KEY1 PE3 KEY_WK_UP PA0
// 函数备注: KEY0_PRES 1 KEY1_PRES 1 WKUP_PRES 3
//----------------------------------------- -------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//=================================================================================================
void Key_Test(void)
{
unsigned char key_value=0;
TFT_ShowString_16x16(0,0,"KEY:",Red,White);
key_value=KEY_Scan(0);
if(key_value==3)
{
TFT_ShowNumber_SignedInteger_16x16(60,0,key_value,2,Red,White);
//USART_SendString(USART1,"key_value:3 \r\n");
}
if(key_value==2)
{
TFT_ShowNumber_SignedInteger_16x16(60,0,key_value,2,Red,White);
//USART_SendString(USART1,"key_value:2 \r\n");
}
if(key_value==1)
{
TFT_ShowNumber_SignedInteger_16x16(60,0,key_value,2,Red,White);
//USART_SendString(USART1,"key_value:1 \r\n");
}
}
//==================================================================================================
// 实现功能: 定时器配置 1s测试
// 函数说明: TIM2,3,4,5
// 函数备注:
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void Timer_Configure(void)
{
/*定时器配置*/
BASIC_TIM_Init();
TIM5_Init(9999,7199);
// TIM3_Int_Init(9999,7199);
TIM2_Int_Init(9999,7199);
TIM4_Int_Init(9999,7199);
}
//==================================================================================================
// 实现功能: 通用定时器定时器测试
// 函数说明: TIM2,3,4,5
// 函数备注:
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void GeneralTimer_Test(void)
{
if ( timeflag1 == 1 ) // TIM5
{
timeflag1 = 0;
timeCount1++;
LED1=!LED1;
if (timeCount1 == 60)
{
timeCount1=0;
}
TFT_ShowNumber_SignedInteger_16x16(90,32,timeCount1,2,Blue1,White);
}
if ( timeflag2 == 1 ) //TIM3
{
timeflag2 = 0;
timeCount2++;
if (timeCount2 == 60)
{
timeCount2=0;
}
TFT_ShowNumber_SignedInteger_16x16(90,60,timeCount2,2,Blue1,White);
}
if ( timeflag3 == 1 ) //TIM2
{
timeflag3 = 0;
timeCount3++;
if (timeCount3 == 60)
{
timeCount3=0;
}
TFT_ShowNumber_SignedInteger_16x16(90,90,timeCount3,2,Green,White);
}
if ( timeflag4 == 1 ) //TIM4
{
timeflag4 = 0;
timeCount4++;
if (timeCount4 == 60)
{
timeCount4=0;
}
TFT_ShowNumber_SignedInteger_16x16(90,120,timeCount4,2,Green,White);
}
}
//==================================================================================================
// 实现功能: 基本定时器定时器测试
// 函数说明: TIM6,7
// 函数备注:
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void Basic_Timer_Test(void)
{
if ( Basictime == 1000 ) /* 1000 * 1 ms = 1s 时间到 */
{
Basictime = 0;
BasictimeCount++;
if (BasictimeCount == 60)
{
BasictimeCount=0;
}
TFT_ShowNumber_SignedInteger_16x16(90,140,BasictimeCount,2,Black,White);
}
}
//==================================================================================================
// 实现功能: 定时器定时 1s 测试
// 函数说明:
// 函数备注:
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void Basic_GeneralTimer_Test(void)
{
GeneralTimer_Test();//通用定时器定时器测试
Basic_Timer_Test();//基本定时器定时器测试
}
#if 0
TFT_ShowString_16x16(0,0,"stm32 timertest",Magenta,White);
TFT_ShowString_16x16(0,32,"timeCount1 ",Blue1,White);
TFT_ShowString_16x16(0,60,"timeCount2 ",Red,White);
TFT_ShowString_16x16(0,90,"timeCount3 ",Red,White);
TFT_ShowString_16x16(0,120,"timeCount4",Red,White);
TFT_ShowString_16x16(0,140,"Basictime",Magenta,White);
#endif
//==================================================================================================
// 实现功能: DHT11_DisPlay 显示温湿度传感器数值
// 函数说明:
// 函数备注:
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void DHT11_DisPlay(void)
{
//循环外 硬件初始化之后
TFT_ShowString_16x16(0,0,"TEMP:",Magenta,White);
TFT_ShowString_16x16(0,32,"Hum: ",Blue1,White);
//循环内 循环获取温湿度值更新
DHT11_Read_Data(&DHT11_Temp,&DHT11_Hum);
TFT_ShowNumber_Float_16x16(32,0,DHT11_Temp,2,1,Red,White);
TFT_ShowNumber_Float_16x16(32,32,DHT11_Hum,2,1,Green,White);
}
//==================================================================================================
// 实现功能: Gas_sensorGet_Data 显示传感器数值
// 函数说明:
// 函数备注:
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void Gas_sensorGet_Data(void)
{
#if 0
unsigned short MQ135_ADC,MQ2_ADC;
float temp1,temp2,MQ135_quality,MQ2_quality;
DHT11_Read_Data(&DHT11_Temp,&DHT11_Hum);
TFT_ShowString_16x16(0,0,"TEMP:",Magenta,White);
TFT_ShowString_16x16(0,16,"Hum: ",Blue1,White);
TFT_ShowString_16x16(0,32,"MQ-2:",Magenta,White);
TFT_ShowString_16x16(0,48,"MQ-135:",Blue1,White);
MQ135_ADC=Get_Adc_Average(ADC_Channel_11,10);
temp1=(float)MQ135_ADC*(3.3/4096);
MQ135_quality=pow((11.5428 * 35.904 * temp1 )/(25.5 - 5.1 * temp1),1.0/0.6549);
MQ135_ADC=temp1;
temp1-=MQ135_ADC;
MQ2_ADC = Get_Adc_Average(ADC_Channel_13,10);
temp2=(float)MQ2_ADC*(3.3/4096);
MQ2_quality = pow((11.5428 * 35.904 * temp2 )/(25.5 - 5.1 * temp2),1.0/0.6549);
MQ2_ADC=temp2;
temp2-=MQ2_ADC;
TFT_ShowNumber_Float_16x16(40,0,DHT11_Temp,2,1,Red,White);
TFT_ShowNumber_Float_16x16(40,16,DHT11_Hum,2,1,Green,White);
TFT_ShowNumber_Float_16x16(66,32,MQ2_quality,4,1,Magenta,White);
TFT_ShowNumber_Float_16x16(66,48,MQ135_quality,4,1,Magenta,White);
#endif
}
//==================================================================================================
// 实现功能: 独立看门狗 窗口看门狗测试
// 函数说明: 窗口看门狗
// 函数备注:
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void IWdg_Test(void)
{
if(KEY_Scan(0) == WKUP_PRES )
{
IWDG_Feed();//如果WK_UP按下,则喂狗 执行相关操作复位
UART_SendString(USART1,"IWDG test \r\n");
}
}
//==================================================================================================
// 实现功能: 定时器 PWM 功能 测试
// 函数说明: 呼吸灯效果
// 函数备注:
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void LED_PWM_Test(void)
{
//相关变量 Hareware_Iint() 之前定义
unsigned short Led0PwmVal=0;
unsigned Incordecflag=1;//是否增加 减小 flag=1 增加 flag=0 减小
//相关变量 while(1) 循环内部使用
// delay_ms(10);
if(Incordecflag)
{
Led0PwmVal++;
}
else
{
Led0PwmVal--;
}
if(Led0PwmVal > 900)
{
Incordecflag=0;
}
if(Led0PwmVal == 0)
{
Incordecflag=1;
}
TIM_SetCompare2(TIM3,Led0PwmVal);
}
//==================================================================================================
// 实现功能: 定时器 PWM原理
// 说明:STM32F103Z系列 TIM1,TIM8 可以实现7路PWM波输出,通用定时器可以产生4路输出
// 控制PWM寄存器
// 捕获/比较模式寄存器(TIMx_CCMR1/2)CCMR1-->CH1 CH2 CCMR2-->CH3 CH4
// 捕获/比较使能寄存器(TIMx_CCER)
// 捕获/比较寄存器(TIMx_CCR1~4) 对应 4 个输通道 CH1--CH4
// STM32的重映射控制是由复用重映射和调试 IO 配置寄存器(AFIO_MAPR)控制
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void PWM_Test(void)
{
}
//==================================================================================================
// 实现功能: 机智云协议配置
// 函数说明: 进行ESP8266配网操作
// 函数备注:
//--------------------------------------------------------------------------------------------------
// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
//==================================================================================================
void Gizwits_Init(void)
{
TIM3_Int_Init(9,7199);//1MS系统定时
USART3_Configuration(9600);//WIFI初始化
userInit();//设备状态结构体初始化
gizwitsInit();//缓冲区初始化
}
////==================================================================================================
//// 实现功能: 主函数
//// 函数说明:
//// 函数备注:
////--------------------------------------------------------------------------------------------------
//// | - | - | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
////==================================================================================================
int main(void)
{
unsigned char key;
Hareware_Iint();//硬件初始化配置
AHT10_Write_Reset();
while(1)
{
//********************* 机智云网络协议配置****************************************//
userHandle();//用户采集
gizwitsHandle((dataPoint_t *)¤tDataPoint);//协议处理
//********************************************************************************//
//*********************ESP8266 WiFi模块配网****************************************//
key = KEY_Scan(0);
if(key==KEY1_PRES)//KEY1按键
{
printf("WIFI进入AirLink连接模式\r\n");
gizwitsSetMode(WIFI_AIRLINK_MODE);//Air-link模式接入
}
if(key==WKUP_PRES)//KEY_UP按键
{
printf("WIFI复位,请重新配置连接\r\n");
gizwitsSetMode(WIFI_RESET_MODE);//WIFI复位
}
//************************************************************************************//
//printf("aht_temp:%.1f ,aht_hum:%d \r\n",aht_temp,aht_hum);
//Demo
TFT_ShowImage(0,120,32,32,LED_IMG);
TFT_ShowString_16x16(32,120,":",Magenta,White);
TFT_ShowString_16x16(48,120,LED0==0?"On ":"Off",Red,White);
//********************* 传感器数据 获取与显示****************************************//
// DHT11_Read_Data(&DHT11_Temp,&DHT11_Hum);
// printf("temp:%d hum:%d \r\n",DHT11_Temp,DHT11_Hum);
DHT11_Read_Data(&DHT11_Temp,&DHT11_Hum);
// TFT_ShowNumber_Float_16x16(40,0,DHT11_Temp,2,1,Red,White);
//光照强度
if (!i2c_CheckDevice(BH1750_Addr))
{
Light = LIght_Intensity();
}
TFT_ShowString_16x16(0,0,"Temp",Magenta,White);
TFT_ShowImage(36,0,32,32,wendu);
TFT_ShowNumber_Float_16x16(64,0,DHT11_Temp,2,1,Red,White);
TFT_ShowString_16x16(110,0,"C",Magenta,White);
TFT_ShowString_16x16(0,32,"Hum",Magenta,White);
TFT_ShowImage(24,32,32,32,shidu);
TFT_ShowNumber_Float_16x16(64,32,DHT11_Hum,2,1,Red,White);
TFT_ShowString_16x16(110,32,"%",Magenta,White);
TFT_ShowImage(0,64,32,32,Light_IMG);
//TFT_ShowString_16x16(0,64,"Light:",Magenta,White);
TFT_ShowNumber_Float_16x16(32,64,Light,5,1,Red,White);
TFT_ShowString_16x16(100,64,"lx",Magenta,White);
AHT10_Read_Humi_Temp(&aht_hum,&aht_temp);
TFT_ShowString_16x16(0,100,"T:",Magenta,White);
TFT_ShowNumber_Float_16x16(16,100,aht_temp,2,1,Red,White);
TFT_ShowString_16x16(70,100,"H:",Magenta,White);
TFT_ShowNumber_Float_16x16(86,100,aht_hum,2,1,Red,White);
//***********************************************************************************//
}
}