智能水位检测与控制系统的方案的设计.zip
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智能水位检测与控制系统的方案的设计.zip
#include "stm32f10x.h"
// 假设您有一个LCD1602的驱动库
#include "LCD1602.h"
// 假设的ADC、按键和蜂鸣器端口定义
#define ADC1_DR_Address ((uint32_t)0x4001244C)
#define BUTTON_UP_PIN GPIO_Pin_0
#define BUTTON_DOWN_PIN GPIO_Pin_1
#define BUZZER_PIN GPIO_Pin_2
#define BUTTON_PORT GPIOA
#define BUZZER_PORT GPIOB
// 硬件初始化函数
void Hardware_Init(void) {
GPIO_InitTypeDef GPIO_InitStructure;
ADC_InitTypeDef ADC_InitStructure;
DMA_InitTypeDef DMA_InitStructure;
// 初始化GPIO(这里只是示例,具体配置需要根据实际情况调整)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB, ENABLE);
// 初始化BUZZER GPIO
GPIO_InitStructure.GPIO_Pin = BUZZER_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(BUZZER_PORT, &GPIO_InitStructure);
// 初始化按键GPIO为输入模式
GPIO_InitStructure.GPIO_Pin = BUTTON_UP_PIN | BUTTON_DOWN_PIN;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU; // 上拉输入
GPIO_Init(BUTTON_PORT, &GPIO_InitStructure);
// ADC初始化(这里使用DMA进行数据传输,需要根据实际情况调整)
RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_DMA1, ENABLE);
ADC_DeInit(ADC1);
ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
ADC_InitStructure.ADC_ScanConvMode = DISABLE;
ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
ADC_InitStructure.ADC_NbrOfChannel = 1;
ADC_Init(ADC1, &ADC_InitStructure);
ADC_RegularChannelConfig(ADC1, ADC_CHANNEL, 1, ADC_SampleTime_55Cycles5);
ADC_DMACmd(ADC1, ENABLE);
DMA_DeInit(DMA1_Channel1);
DMA_InitStructure.DMA_PeripheralBaseAddr = ADC1_DR_Address;
DMA_InitStructure.DMA_MemoryBaseAddr = (uint32_t)&ADCConvertedValue;
DMA_InitStructure.DMA_DIR = DMA_DIR_PeripheralSRC;
DMA_InitStructure.DMA_BufferSize = 1;
DMA_InitStructure.DMA_PeripheralInc = DMA_PeripheralInc_Disable;
DMA_InitStructure.DMA_MemoryInc = DMA_MemoryInc_Disable;
DMA_InitStructure.DMA_PeripheralDataSize = DMA_PeripheralDataSize_HalfWord;
DMA_InitStructure.DMA_MemoryDataSize = DMA_MemoryDataSize_HalfWord;
DMA_InitStructure.DMA_Mode = DMA_Mode_Circular;
DMA_InitStructure.DMA_Priority = DMA_Priority_High;
DMA_InitStructure.DMA_M2M = DMA_M2M_Disable;
DMA_Init(DMA1_Channel1, &DMA_InitStructure);
DMA_Cmd(DMA1_Channel1, ENABLE);
ADC_Cmd(ADC1, ENABLE);
ADC_ResetCalibration(ADC1);
while(ADC_GetResetCalibrationStatus(ADC1));
ADC_StartCalibration(ADC1);
while(ADC_GetCalibrationStatus(ADC1));
ADC_SoftwareStartConvCmd(ADC1, ENABLE);
// LCD1602初始化
LCD1602_Init();
}
uint16_t ADCConvertedValue; // ADC转换结果
// 读取电位器值(模拟水位)
uint16_t Read_Potentiometer(void) {
// 使用DMA传输,ADC转换完成后值会自动存储在ADCConvertedValue中
return ADCConvertedValue;
}
// 显示水位函数(假设LCD1602库有相关的显示函数)
void Display_Water_Level(uint16_t level) {
char buffer[16];
sprintf(buffer, "Water Level: %u", level);
LCD1602_String(buffer);
}
// 按键处理函数(简化版,实际可能需要消抖等处理)
void Button_Process(void) {
static uint16_t upper_limit = 1000, lower_limit = 0;
if (GPIO_ReadInputDataBit(BUTTON_PORT, BUTTON_UP_PIN) == 0) {
upper_limit += 10; // 增加上限值
}
if (GPIO_ReadInputDataBit(BUTTON_PORT, BUTTON_DOWN_PIN) == 0) {
lower_limit -= 10; // 减小下限值
}
// 可以在这里添加代码将上下限值显示在LCD上
}
// 蜂鸣器控制函数
void Buzzer_Control(uint8_t on) {
if (on) {
GPIO_SetBits(BUZZER_PORT, BUZZER_PIN); // 打开蜂鸣器
} else {
GPIO_ResetBits(BUZZER_PORT, BUZZER_PIN); // 关闭蜂鸣器
}
}
int main(void) {
uint16_t water_level;
uint8_t alarm = 0; // 报警标志
Hardware_Init(); // 初始化硬件
while (1) {
water_level = Read_Potentiometer(); // 读取当前水位
Display_Water_Level(water_level); // 显示水位
// 检查水位是否超出上下限(这些值应由Button_Process更新)
if (water_level >= 1000 || water_level <= 0) { // 示例值,应替换为实际上下限
alarm = 1;
} else {
alarm = 0;
}
Buzzer_Control(alarm); // 控制蜂鸣器
Button_Process(); // 处理按键输入
}
}