功能介绍：
0.本系统采用STM32F103C8T6作为单片机
1.采用DS1302时钟芯片可实时显示时间，通过四个功能按键可设置投喂等操作定时时间
2.具有WiFi模块可以与手机进行数据传输通信
3.采用防水型的DS18B20传感器可以测量水温
4.采用DC002作为电源接口可直接输入5V给整个系统供电
5.水位传感器可以测量水位的实时情况
6.具备水泵控制电路，根据水位传感器数据判断是否加水；具备加热和投食控制电路。
原理图：
PCB：
主程序：
#define __MIAN_C#include "main.h"// 局部变量，用于保存转换计算后的电压值CreatByte volatile Flag;enum _MODE_DF_ dispMode;char dis[16];volatile u8 setIndex = 0;volatile u8 feedTime[2] = {18, 0}; //投喂时间18:00volatile u16 totalFeedTime[3] = {0, 0}; //投喂时间18:00volatile u8 feedLevel = 1; //投喂量等级volatile u16 amountOfFeed = 0;volatile u16 feedDelay = 0; //喂食延迟uint16_t tempBuf = 0;float f_temp = 0.0;volatile uint16_t tempMin = 25; //最低温度volatile uint16_t tempMax = 40; //最高温度uint16_t waterLevel = 0;volatile uint16_t waterLevelLow = 25; //最低水位volatile uint16_t waterLevelHigh = 35; //最高水位char command = NULL;int main(void){// 使用HSI，SYSCLK = 4M * RCC_PLLMul_x, x:[2,3,...16],最高是64MHHSI_SetSysClock(RCC_PLLMul_2); //使用内部8MHz晶振，并设置PLL输出为8MHz// 端口初始化GENERAL_TIM_Init();GPIO_Config();DS1302_Init();USART_Config();ADCx_Init();DelayMs(1000);printf("AT+CIPMUX=1\r\n"); //打开多连接DelayMs(1000);printf("AT+CIPSERVER=1,8080\r\n"); //建立服务 端口号为8080DelayMs(1000);Key_GPIO_Config();DelayMs(200);LCD_GPIO_Init();LCD_Init();LCD_DispStr(0, 0, " Welcome! ");DelayMs(200);DelayMs(200);DelayMs(200);LCD_Clear();DelayMs(200);while (1){if (sendFlag == 1){sendFlag = 0;SendData();}if (refreshFlag == 1){refreshFlag = 0;if (dispMode == NORMAL){DispNormal();}if (waterLevel <= waterLevelLow) //水位低于最低水位值，启动水泵继电器{RELAY_WATER_ON;}else if (waterLevel >= waterLevelHigh) //水位高于最高水位值，关闭水泵继电器{RELAY_WATER_OFF;}if (f_temp <= tempMin) //温度低于最低温度值，启动加热继电器{RELAY_HEAT_ON;}else if (f_temp >= tempMax) //温度高于最高温度值，关闭加热继电器{RELAY_HEAT_OFF;}if (timeBufDec[4] == feedTime[0] && timeBufDec[5] == feedTime[1] && timeBufDec[6] == 0) //到达喂食时间{feedDelay = feedLevel * 5; //feedLevel * 1s * 5}if (feedDelay > 0) //启动喂食{feedDelay--;amountOfFeed = amountOfFeed + 5; //喂食总量加5gtotalFeedTime[2]++; //秒钟加if (totalFeedTime[2] == 60){totalFeedTime[2] = 0;totalFeedTime[1]++;if (totalFeedTime[1] == 60){totalFeedTime[1] = 0;totalFeedTime[0]++;}}RELAY_FOOD_ON;}else{RELAY_FOOD_OFF;}}KeyProcess();}}void DispNormal(void){TIM_ITConfig(GENERAL_TIM2, TIM_IT_Update, DISABLE);DS1302_ReadTime();TIM_ITConfig(GENERAL_TIM2, TIM_IT_Update, ENABLE);sprintf(dis, "%02d/%02d/%02d", (int)timeBufDec[1], (int)timeBufDec[2], (int)timeBufDec[3]);// sprintf(dis, "%02d/%02d/%02d", timeBufDec[1], timeBufDec[2], timeBufDec[3]);LCD_DispStr(0, 0, dis);switch (timeBufDec[7]){case 0: LCD_DispStr(10, 0, " Sun."); break;case 1: LCD_DispStr(10, 0, " Sun."); break;case 2: LCD_DispStr(10, 0, " Mon."); break;case 3: LCD_DispStr(10, 0, " Tue."); break;case 4: LCD_DispStr(10, 0, " Wed."); break;case 5: LCD_DispStr(10, 0, "Thur."); break;case 6: LCD_DispStr(10, 0, " Fri."); break;case 7: LCD_DispStr(10, 0, " Sat."); break;default: break;}TIM_ITConfig(GENERAL_TIM2, TIM_IT_Update, DISABLE);DS18B20_GetTemp(&tempBuf); //采集温度f_temp = tempBuf * 0.0625; //温度转换TIM_ITConfig(GENERAL_TIM2, TIM_IT_Update, ENABLE);waterLevel = ADC_ConvertedValue; //检测水位值waterLevel = waterLevel * 100 / 4096;// sprintf(dis, "%02d:%02d %5.1f", (int)timeBufDec[4], (int)timeBufDec[5], f_temp);sprintf(dis, "%02d:%02d:%02d %4.1f", (int)timeBufDec[4], (int)timeBufDec[5], (int)timeBufDec[6], f_temp);LCD_DispStr(0, 1, dis);// LCD_DispOneChar(11, 1, 0xdf); //摄氏度右上角的°// LCD_DispOneChar(12, 1, 'C'); //摄氏度右上角的°sprintf(dis, " %02d", waterLevel);LCD_DispStr(13, 1, dis);}void DispSetRealTime(u8 setIndex){sprintf(dis, "%02d/%02d/%02d", (unsigned int)timeBufDec[1], (unsigned int)timeBufDec[2], (unsigned int)timeBufDec[3]);LCD_DispStr(0, 0, dis);switch (timeBufDec[7]){case 1: LCD_DispStr(10, 0, " Sun."); break;case 2: LCD_DispStr(10, 0, " Mon."); break;case 3: LCD_DispStr(10, 0, " Tue."); break;case 4: LCD_DispStr(10, 0, " Wed."); break;case 5: LCD_DispStr(10, 0, "Thur."); break;case 6: LCD_DispStr(10, 0, " Fri."); break;case 7: LCD_DispStr(10, 0, " Sat."); break;default: break;}sprintf(dis, " %02d:%02d:%02d ", (unsigned int)timeBufDec[4], (unsigned int)timeBufDec[5], (unsigned int)timeBufDec[6]);LCD_DispStr(0, 1, dis);switch (setIndex){case 1: LCD_SetCursor(1, 0, 1); break;case 2: LCD_SetCursor(4, 0, 1); break;case 3: LCD_SetCursor(7, 0, 1); break;case 4: LCD_SetCursor(14, 0, 1); break;case 5: LCD_SetCursor(5, 1, 1); break;case 6: LCD_SetCursor(8, 1, 1); break;case 7: LCD_SetCursor(11, 1, 1); break;default:break;}}void DispSetWaterLevel(u8 setIndex){LCD_DispStr(0, 0, " Set WaterLevel ");sprintf(dis, " H:%2d%% L:%2d%% ", waterLevelHigh, waterLevelLow);LCD_DispStr(0, 1, dis);switch (setIndex){case 1: LCD_SetCursor(6, 1, 1); break;case 2: LCD_SetCursor(12, 1, 1); break;default:;} }void DispSetTemp(u8 setIndex){LCD_DispStr(0, 0, "Set Temperature ");sprintf(dis, " H:%3d L:%3d ", tempMax, tempMin);LCD_DispStr(0, 1, dis);switch (setIndex){case 1: LCD_SetCursor(7, 1, 1); break;case 2: LCD_SetCursor(13, 1, 1); break;default:;} }void DispSetFeed(u8 setIndex){sprintf(dis, "FeedTime: %02d:%02d ", (unsigned int)feedTime[0], (unsigned int)feedTime[1]);LCD_DispStr(0, 0, dis);sprintf(dis, "FeedLevel: %2d ", (unsigned int)feedLevel);LCD_DispStr(0, 1, dis);switch (setIndex){case 1: LCD_SetCursor(11, 0, 1); break;case 2: LCD_SetCursor(14, 0, 1); break;case 3: LCD_SetCursor(12, 1, 1); break;default:break;} }void DispSetTotalFeed(u8 setIndex){sprintf(dis, "Total: %02d:%02d:%02d", (unsigned int)totalFeedTime[0], (unsigned int)totalFeedTime[1], (unsigned int)totalFeedTime[2]);LCD_DispStr(0, 0, dis);sprintf(dis, "TotalFeed: %4dg", (unsigned int)amountOfFeed);LCD_DispStr(0, 1, dis);switch (setIndex){case 1: LCD_SetCursor(15, 0, 1); break;case 2: LCD_SetCursor(14, 1, 1); break;default: break;} }void SendData(void){printf("AT+CIPSEND=0,29\r\n"); //发送29位数据DelayMs(100);printf("Water Level:%2d%% Temp:%5.1f'C\r\n", waterLevel, f_temp); //串口发送DelayMs(100);}/*********************************************END OF FILE**********************/
实物演示视频：
/video/BV1UU4y117K1/
