STM32项目分享：智能宠物项圈系统
目录
一、前言
二、项目简介
1.功能详解
2.主要器件
三、原理图设计
四、PCB硬件设计
PCB图
五、程序设计
六、实验效果
七、包含内容
项目分享
一、前言
项目成品图片：
哔哩哔哩视频链接：
https://www.bilibili.com/video/BV1PXBsBBEF7/?spm_id_from=333.337.search-card.all.click
（资料分享见文末）
二、项目简介
1.功能详解基于STM32的智能宠物项圈系统
功能如下：
环境采集：光照强度传感器采集环境光照强度、心率血氧传感器检测宠物的心率血氧数据、温度传感器检测宠物的体温数据、GPS模块检测宠物的位置信息显示功能：环境数据显示在OLED屏幕上模式切换：通过按键可以切换手动模式和自动模式自动模式：光照小于阈值开启LED照明灯、宠物心率/血氧/体温超过阈值时蜂鸣器报警提醒；单片机与手机蓝牙第一次连接后断开连接（单片机端检测不到APP循环发送的信息）时语音播报“小宠物，快回到主人身边”手动模式：手动模式下可通过按键控制LED照明灯和蜂鸣器报警阈值调节：可以通过按键进入系统设置界面，可设置心率、血氧和体温的光照的阈值蓝牙APP：通过蓝牙APP可接收宠物心率、血氧、体温、环境光照强度和GPS经纬度信息数据；可以通过按钮完成控制指令下发 2.主要器件 STM32F103C8T6最小系统板OLED显示屏（4针IIC协议）MAX30102心率血氧传感器DS18B20温度传感器GPS传感器BT04A（蓝牙模块）JR6001语音模块蜂鸣器LED灯三、原理图设计
四、PCB硬件设计
PCB图
五、程序设计
#include "stm32f10x.h"
#include "led.h"
#include "beep.h"
#include "usart.h"
#include "delay.h"
#include "oled.h"
#include "key.h"
#include "Modules.h"
#include "adcx.h"
#include "flash.h"
#include "usart2.h"
#include "usart3.h"
#include "TIM2.h"
#include "timer.h"
#include "GPS.h"
#include "ds18b20.h"
#include "max30102_read.h"
#include "myiic.h"
#define BT_STATE_INIT 0
#define BT_STATE_CONNECTED 1
#define BT_STATE_DISCONNECTED 2
typedef struct {
uint32_t last_ack_time;
uint32_t last_disconnect_time;
uint8_t state;
uint8_t timeout_cnt;
uint32_t last_heartbeat_time;
} BT_Manager;
#define KEY_Long111
#define KEY_11
#define KEY_22
#define KEY_33
#define KEY_44
#define FLASH_START_ADDR0x0801f000
#define HEARTBEAT_CMD "BT_HEARTrn"
#define HEARTBEAT_ACK "1"
#define HEARTBEAT_INTERVAL 1000
#define BT_TIMEOUT_MS 10000
SensorModules sensorData;
SensorThresholdValue Sensorthreshold;
DriveModules driveData;
uint8_t mode = 1;
u8 dakai;
u8 Flag_dakai;
uint8_t is_secondary_menu = 0;
uint8_t secondary_pos = 1;
uint8_t secondary_type = 0;
extern float gps_lat_decimal;
extern float gps_lon_decimal;
static uint8_t count_m = 1;
static uint8_t count_s = 1;
uint8_t auto_page = 1;
extern unsigned char p[16];
BT_Manager bt_manager;
static uint8_t bt_first_connect_disconnect = 0;
static uint8_t bt_has_received_ack = 0;
static uint8_t first_enter_auto_page2 = 0;
enum
{
AUTO_MODE = 1,
MANUAL_MODE,
SETTINGS_MODE
} MODE_PAGES;
int main(void)
{
SystemInit();
delay_init(72);
TIM2_Init(72-1, 1000-1);
ADCX_Init();
LED_Init();
BEEP_Init();
uart_init(9600);
USART2_Init();
USART3_Config();
Key_Init();
DS18B20_Init();
OLED_Init();
GPS_Init();
Init_MAX30102();
srand((unsigned int)delay_get_tick());
uint32_t current_time = delay_get_tick();
bt_manager.last_ack_time = current_time;
bt_manager.last_disconnect_time = current_time;
bt_manager.state = BT_STATE_INIT;
bt_manager.timeout_cnt = 0;
bt_manager.last_heartbeat_time = 0;
bt_first_connect_disconnect = 0;
bt_has_received_ack = 0;
delay_ms(100);
FLASH_ReadThreshold();
OLED_Clear();
static uint8_t last_mode = 0;
static uint32_t last_sensor_time = 0;
static uint32_t last_display_time = 0;
if (Sensorthreshold.tempValue > 40 || Sensorthreshold.hrAvgValue > 120 ||
Sensorthreshold.spo2AvgValue > 100 || Sensorthreshold.luxValue > 500)
{
FLASH_W(FLASH_START_ADDR, 30, 95, 98, 100);
FLASH_ReadThreshold();
}
printf("系统启动，蓝牙初始状态: 初始化n");
USART3_SendString("AF:30");
delay_ms(200);
USART3_SendString("A7:00001");
delay_ms(200);
while (1)
{
uint32_t current_time = delay_get_tick();
USART2_ProcessCmd();
BT_Check_State_Simple();
if(current_time - last_sensor_time > 100) {
SensorScan();
last_sensor_time = current_time;
}
uint8_t current_key_num = KeyNum;
if(current_key_num != 0)
{
switch(mode)
{
case AUTO_MODE:
if(current_key_num == KEY_1)
{
mode = MANUAL_MODE;
count_m = 1;
driveData.LED_Flag = 0;
driveData.BEEP_Flag = 0;
KeyNum = 0;
}
else if(current_key_num == KEY_Long1)
{
mode = SETTINGS_MODE;
count_s = 1;
KeyNum = 0;
}
break;
case MANUAL_MODE:
if(current_key_num == KEY_1)
{
mode = AUTO_MODE;
auto_page = 1;
KeyNum = 0;
}
break;
case SETTINGS_MODE:
break;
}
}
if(last_mode != mode)
{
OLED_Clear();
last_mode = mode;
switch(mode)
{
case AUTO_MODE:
OLED_autoPage1();
break;
case MANUAL_MODE:
OLED_manualPage1();
break;
case SETTINGS_MODE:
OLED_settingsPage1();
break;
}
OLED_Refresh();
}
switch(mode)
{
case AUTO_MODE:
{
uint8_t curr_auto_page = SetAuto();
if(curr_auto_page == 1)
{
SensorDataDisplay1();
}
else
{
SensorDataDisplay2();
}
AutoControl();
Control_Manager();
break;
}
case MANUAL_MODE:
{
static uint8_t manual_page_initialized = 0;
static uint8_t last_manual_count = 0;
static uint8_t last_LED_Flag = 0;
static uint8_t last_BEEP_Flag = 0;
static uint8_t force_refresh = 0;
if(last_mode != mode)
{
manual_page_initialized = 0;
last_manual_count = 0;
last_LED_Flag = driveData.LED_Flag;
last_BEEP_Flag = driveData.BEEP_Flag;
force_refresh = 1;
count_m = 1;
driveData.LED_Flag = 0;
driveData.BEEP_Flag = 0;
}
uint8_t current_manual_count = SetManual();
uint8_t need_refresh = 0;
if(driveData.LED_Flag != last_LED_Flag || driveData.BEEP_Flag != last_BEEP_Flag)
{
need_refresh = 1;
last_LED_Flag = driveData.LED_Flag;
last_BEEP_Flag = driveData.BEEP_Flag;
}
if(!manual_page_initialized || current_manual_count != last_manual_count || need_refresh || force_refresh)
{
OLED_manualPage1();
OLED_manualOption(current_manual_count);
ManualSettingsDisplay1();
manual_page_initialized = 1;
last_manual_count = current_manual_count;
force_refresh = 0;
OLED_Refresh();
}
if(current_key_num != 0)
{
ManualControl(current_manual_count);
OLED_manualPage1();
OLED_manualOption(current_manual_count);
ManualSettingsDisplay1();
OLED_Refresh();
KeyNum = 0;
}
OLED_manualPage1();
OLED_manualOption(current_manual_count);
ManualSettingsDisplay1();
Control_Manager();
break;
}
case SETTINGS_MODE:
{
static uint8_t is_threshold_page_inited = 0;
uint8_t curr_count_s = SetSelection();
if(current_key_num != 0)
{
if (is_secondary_menu == 1)
{
if (current_key_num == KEY_2 || current_key_num == KEY_3 || current_key_num == KEY_4)
{
OLED_Refresh();
KeyNum = 0;
}
else if (current_key_num == KEY_1)
{
is_secondary_menu = 0;
secondary_pos = 1;
OLED_Clear();
OLED_settingsPage1();
SettingsThresholdDisplay1();
OLED_settingsOption(curr_count_s);
OLED_Refresh();
KeyNum = 0;
}
}
else
{
if (current_key_num == KEY_3 || current_key_num == KEY_4)
{
ThresholdSettings(curr_count_s);
SettingsThresholdDisplay1();
OLED_Refresh();
KeyNum = 0;
}
else if (current_key_num == KEY_1)
{
mode = AUTO_MODE;
is_threshold_page_inited = 0;
FLASH_W(FLASH_START_ADDR, Sensorthreshold.tempValue, Sensorthreshold.hrAvgValue,
Sensorthreshold.spo2AvgValue, Sensorthreshold.luxValue);
KeyNum = 0;
}
}
}
if (is_secondary_menu == 1)
{
}
else
{
if (curr_count_s >= 1 && curr_count_s <= 4)
{
if (is_threshold_page_inited == 0)
{
OLED_settingsPage1();
is_threshold_page_inited = 1;
}
}
OLED_settingsOption(curr_count_s);
SettingsThresholdDisplay1();
}
break;
}
}
if(current_time - last_display_time > 50) {
OLED_Refresh();
last_display_time = current_time;
}
}
}
cpp
运行
六、实验效果
七、包含内容
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