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szy_206.h

#ifndef __SZY_206_H__
#define __SZY_206_H__#include "stdint.h"
#include "stdio.h"
#include "string.h"#define FRAME_START     (0x68)
#define FRAME_END       (0x16)// 定义下行帧传输方向的枚举类型（DIR=0）
typedef enum {DOWN_SEND_CONFIRM_COMMAND = 0,  // 发送∕确认 命令DOWN_QUERY_RESPONSE_RAINFALL = 1,  // 查询∕响应帧 雨量参数DOWN_QUERY_RESPONSE_WATER_LEVEL = 2,  // 查询∕响应帧 水位参数DOWN_QUERY_RESPONSE_FLOW = 3,  // 查询∕响应帧 流量(水量)参数DOWN_QUERY_RESPONSE_FLOW_VELOCITY = 4,  // 查询∕响应帧 流速参数DOWN_QUERY_RESPONSE_GATE_POSITION = 5,  // 查询∕响应帧 闸位参数DOWN_QUERY_RESPONSE_POWER = 6,  // 查询∕响应帧 功率参数DOWN_QUERY_RESPONSE_AIR_PRESSURE = 7,  // 查询∕响应帧 气压参数DOWN_QUERY_RESPONSE_WIND_SPEED = 8,  // 查询∕响应帧 风速参数DOWN_QUERY_RESPONSE_WATER_TEMPERATURE = 9,  // 查询∕响应帧 水温参数DOWN_QUERY_RESPONSE_WATER_QUALITY = 10,  // 查询∕响应帧 水质参数DOWN_QUERY_RESPONSE_SOIL_MOISTURE = 11,  // 查询∕响应帧 土壤含水率参数DOWN_QUERY_RESPONSE_EVAPORATION = 12,  // 查询∕响应帧 蒸发量参数DOWN_QUERY_RESPONSE_ALARM_STATUS = 13,  // 查询∕响应帧 报警或状态参数DOWN_QUERY_RESPONSE_INTEGRATED = 14,  // 查询∕响应帧 综合参数DOWN_QUERY_RESPONSE_WATER_PRESSURE = 15  // 查询∕响应帧 水压参数
} control_funcode_down_e;// 定义上行帧传输方向的枚举类型（DIR=1）
typedef enum {UP_CONFIRM_APPROVAL = 0,  // 确认 认可UP_SELF_REPORT_RAINFALL = 1,  // 自报帧 雨量参数UP_SELF_REPORT_WATER_LEVEL = 2,  // 自报帧 水位参数UP_SELF_REPORT_FLOW = 3,  // 自报帧 流量（水量）参数UP_SELF_REPORT_FLOW_VELOCITY = 4,  // 自报帧 流速参数UP_SELF_REPORT_GATE_POSITION = 5,  // 自报帧 闸位参数UP_SELF_REPORT_POWER = 6,  // 自报帧 功率参数UP_SELF_REPORT_AIR_PRESSURE = 7,  // 自报帧 气压参数UP_SELF_REPORT_WIND_SPEED = 8,  // 自报帧 风速参数UP_SELF_REPORT_WATER_TEMPERATURE = 9,  // 自报帧 水温参数UP_SELF_REPORT_WATER_QUALITY = 10,  // 自报帧 水质参数UP_SELF_REPORT_SOIL_MOISTURE = 11,  // 自报帧 土壤含水率参数UP_SELF_REPORT_EVAPORATION = 12,  // 自报帧 蒸发量参数UP_SELF_REPORT_ALARM_STATUS = 13,  // 自报帧 报警或状态参数UP_SELF_REPORT_STATISTICAL_RAINFALL = 14,  // 自报帧 统计雨量UP_SELF_REPORT_WATER_PRESSURE = 15  // 自报帧 水压参数
} control_funcode_up_e;typedef enum {LINK_DETECTION = 0x02,  // 链路检测SET_TERMINAL_ADDRESS = 0x10,  // 设置遥测终端、中继站地址SET_TERMINAL_CLOCK = 0x11,  // 设置遥测终端、中继站时钟SET_TERMINAL_WORK_MODE = 0x12,  // 设置遥测终端工作模式SET_TERMINAL_CURRENT_RECHARGE_AMOUNT = 0x15,  // 设置遥测终端本次充值量SET_TERMINAL_REMAINING_WATER_ALARM_VALUE = 0x16,  // 设置遥测终端剩余水量报警值SET_TERMINAL_WATER_LEVEL_BASE_AND_LIMITS = 0x17,  // 设置遥测终端的水位基值、水位上下限SET_TERMINAL_WATER_PRESSURE_LIMITS = 0x18,  // 设置遥测终端水压上、下限SET_TERMINAL_WATER_QUALITY_PARAMETER_UPPER_LIMIT = 0x19,  // 设置遥测终端水质参数种类、上限值SET_TERMINAL_WATER_QUALITY_PARAMETER_LOWER_LIMIT = 0x1A,  // 设置遥测终端水质参数种类、下限值SET_TERMINAL_INITIAL_WATER_AMOUNT = 0x1B,  // 设置终端站水量的表底（初始）值SET_TERMINAL_FORWARD_RELAY_LEADING_CODE_LENGTH = 0x1C,  // 设置遥测终端转发中继引导码长SET_RELAY_FORWARD_TERMINAL_ADDRESS = 0x1D,  // 设置中继站转发终端地址SET_RELAY_WORK_MACHINE_AUTO_SWITCH_AND_SELF_REPORT_STATUS = 0x1E,  // 设置中继站工作机自动切换，自报状态SET_TERMINAL_FLOW_PARAMETER_UPPER_LIMIT = 0x1F,  // 设置遥测终端流量参数上限值SET_TERMINAL_DETECTION_PARAMETER_TRIGGER_THRESHOLD_AND_STORAGE_INTERVAL = 0x20,  // 设置遥测终端检测参数启报阈值及固态存储时间段间隔SET_TERMINAL_IC_CARD_FUNCTION_ENABLE = 0x30,  // 置遥测终端IC卡功能有效SET_TERMINAL_IC_CARD_FUNCTION_DISABLE = 0x31,  // 取消遥测终端IC卡功能FIXED_VALUE_CONTROL_ENGAGE = 0x32,  // 定值控制投入FIXED_VALUE_CONTROL_DISENGAGE = 0x33,  // 定值控制退出FIXED_VALUE_SETTING = 0x34,  // 定值量设定QUERY_TERMINAL_ADDRESS = 0x50,  // 查询遥测终端、中继站地址QUERY_TERMINAL_CLOCK = 0x51,  // 查询遥测终端、中继站时钟QUERY_TERMINAL_WORK_MODE = 0x52,  // 查询遥测终端工作模式QUERY_TERMINAL_SELF_REPORT_DATA_TYPE_AND_INTERVAL = 0x53,  // 查询遥测终端的数据自报种类及时间间隔QUERY_TERMINAL_REAL_TIME_DATA_TYPE_TO_QUERY = 0x54,  // 查询遥测终端需查询的实时数据种类QUERY_TERMINAL_LATEST_RECHARGE_AMOUNT_AND_CURRENT_REMAINING_WATER = 0x55,  // 查询遥测终端最近成功充值量和现有剩余水量QUERY_TERMINAL_REMAINING_WATER_AND_ALARM_VALUE = 0x56,  // 查询遥测终端剩余水量和报警值QUERY_TERMINAL_WATER_LEVEL_BASE_AND_LIMITS = 0x57,  // 查询遥测终端水位基值、水位上下限QUERY_TERMINAL_WATER_PRESSURE_LIMITS = 0x58,  // 查询遥测终端水压上、下限QUERY_TERMINAL_WATER_QUALITY_PARAMETER_UPPER_LIMIT = 0x59,  // 查询遥测终端水质参数种类、上限值QUERY_TERMINAL_WATER_QUALITY_PARAMETER_LOWER_LIMIT = 0x5A,  // 查询遥测终端水质参数种类、下限值QUERY_TERMINAL_EVENT_RECORDS = 0x5D,  // 查询遥测终端的事件记录QUERY_TERMINAL_STATUS_AND_ALARM_STATUS = 0x5E,  // 查询遥测终端状态和报警状态QUERY_PUMP_MOTOR_REAL_TIME_WORK_DATA = 0x5F,  // 查询水泵电机实时工作数据QUERY_TERMINAL_FORWARD_RELAY_LEADING_CODE_LENGTH = 0x60,  // 查询遥测终端转发中继引导码长QUERY_TERMINAL_IMAGE_RECORDS = 0x61,  // 查询遥测终端图像记录QUERY_RELAY_FORWARD_TERMINAL_ADDRESS = 0x62,  // 查询中继站转发终端地址QUERY_RELAY_WORK_MACHINE_STATUS_AND_SWITCH_RECORDS = 0x63,  // 查询中继站工作机状态和切换记录QUERY_TERMINAL_FLOW_PARAMETER_UPPER_LIMIT = 0x64,  // 查询遥测终端流量参数上限值RANDOM_SELF_REPORT_ALARM_DATA = 0x81,  // 随机自报报警数据MANUAL_SET_NUMBER = 0x82,  // 人工置数RESET_TERMINAL_PARAMETERS_AND_STATUS = 0x90,  // 复位遥测终端参数和状态CLEAR_TERMINAL_HISTORICAL_DATA_UNIT = 0x91,  // 清空遥测终端历史数据单元REMOTE_CONTROL_START_PUMP_OR_VALVE = 0x92,  // 遥控启动水泵或阀门/闸门REMOTE_CONTROL_CLOSE_PUMP_OR_VALVE = 0x93,  // 遥控关闭水泵或阀门/闸门REMOTE_CONTROL_TERMINAL_OR_RELAY_COMMUNICATION_MACHINE_SWITCH = 0x94,  // 遥控终端或中继站通信机切换REMOTE_CONTROL_RELAY_WORK_MACHINE_SWITCH = 0x95,  // 遥控中继站工作机切换MODIFY_TERMINAL_PASSWORD = 0x96,  // 修改遥测终端密码SET_TERMINAL_REAL_TIME_DATA_TYPE_TO_QUERY = 0xA0,  // 设置遥测站需查询的实时数据种类SET_TERMINAL_SELF_REPORT_DATA_TYPE_AND_INTERVAL = 0xA1,  // 设置遥测终端的数据自报种类及时间间隔QUERY_TERMINAL_REAL_TIME_VALUE = 0xB0,  // 查询遥测终端实时值QUERY_TERMINAL_SOLID_STATE_STORAGE_DATA = 0xB1,  // 查询遥测终端固态存储数据QUERY_TERMINAL_MEMORY_SELF_REPORT_DATA = 0xB2,  // 查询遥测终端内存自报数据TERMINAL_SELF_REPORT_REAL_TIME_DATA = 0xC0  // 遥测终端自报实时数据
} user_func_e;// 控制域结构体
#pragma pack(1)
typedef struct {uint8_t DIR : 1;      // 传输方向位uint8_t DIV : 1;      // 拆分标志位uint8_t FCB : 2;      // 帧计数位uint8_t function_code : 4;   // 功能码
} ControlField;// 密码PW结构体
#pragma pack(1)
typedef struct {uint8_t key_algorithm : 4;   // 密钥算法，采用BCD编码，取值范围0 - 9uint16_t key:12;            // 密钥，采用BCD编码，取值范围0 - 999
} Password;// 时间标签Tp结构体
#pragma pack(1)
typedef struct {uint32_t start_frame_send_time;   // 启动帧发送时标，数据格式为BCD码，依次为秒、分、时、日uint8_t allow_send_transfer_delay_time;   // 允许发送传输延时时间，BIN编码，单位为min
} TimeTag;// 统一数据结构体
#pragma pack(1)
typedef struct {uint8_t start_frame;   // 起始字符(68H)uint8_t length;       // 长度L 控制域、地址域、用户数据域（应用层）的字节总数uint8_t start_frame2;  // 起始字符(68H)ControlField control;   // 控制域uint8_t address[5];   // 地址域Auint8_t AFN;          // 应用层功能码AFNuint8_t* user_data;    // 数据域指针，用户根据具体功能码分配和填充数据Password password;      // 密码PWTimeTag time_tag;      // 时间标签Tpuint8_t checksum;     // 校验CS   用户数据区的 CRC 校验  控制域+地址域+用户数据uint8_t end_char;     // 结束字符(16H)
} SZY206_Frame_T;#define SZY206_FIX_HEAD_LEN         (3)  //起始字符+长度L+起始字符+控制域+地址域A+应用层功能码AFN
#define SZY206_USER_DATA_OFFSET     (SZY206_FIX_HEAD_LEN+sizeof(ControlField)+5+1)//到user_data的偏移地址
#define SZY206_MIN_FRAME_LEN        (SZY206_USER_DATA_OFFSET+2)  //起始字符+长度L+起始字符+控制域+地址域A+应用层功能码AFN+校验CS+结束字符(16H)static void SZY206_Dec2bcd(uint8_t* bufIn, double dval, uint16_t nb_byte, int nb_dec);
uint8_t calculateCRC8(uint8_t *data, uint16_t length) ;
uint8_t SZY206_IsAux(uint8_t AFN) ;uint8_t SZY206_FrameFill(uint8_t *buffer, ControlField control, uint8_t *address, uint8_t AFN,Password password, TimeTag time_tag, uint8_t *user_data, uint16_t user_data_length);uint8_t SZY206_FrameVerification(uint8_t *buffer , uint16_t length);uint8_t SZY206_Parse(uint8_t *buffer , uint16_t length ,ControlField  *control , uint8_t *AFN,Password *password ,TimeTag *time_tag,uint8_t *user_data);#endif

szy_206.c

#include "szy_206.h"
#include <stdio.h>/// @brief 十进制转BCD
/// @param data 
/// @return 
static int dec2bcd(unsigned char data)
{unsigned char temp;temp = (((data / 10) << 4) + (data % 10));return temp;
}
/// @brief double 转换成BCD
/// @param bufIn 
/// @param dval 数据
/// @param nb_byte 总长度
/// @param nb_dec 小数点后位数
static void SZY206_Dec2bcd(uint8_t* bufIn, double dval, uint16_t nb_byte, int nb_dec)
{int val = 0;int data_len = 0;val = (int)(dval * pow(10, nb_dec));char tmp[32];memset(tmp, 0, 32);sprintf_s(tmp, "%d", val);data_len = strlen(tmp);memset(tmp, 0, 32);for (int i = 0; i < data_len; i++){if (data_len % 2){tmp[0] = 0;tmp[i + 1] = (int)(val / pow(10, data_len - i - 1)) % 10;}else{tmp[i] = (int)(val / pow(10, data_len - i - 1)) % 10;}}int index_tmp = 0;data_len = data_len % 2 == 0 ? data_len / 2 : data_len / 2 + 1;// printf("nb_byte:%d  nb_dec:%d val:%d data len:%d \n", nb_byte, nb_dec, val, data_len);//数据for (int i = nb_byte; i > 0; i--){if ((i - data_len) > 0){bufIn[nb_byte - i] = 0;}else{bufIn[nb_byte - i] = dec2bcd(tmp[0 + index_tmp * 2] * 10 + tmp[1 + index_tmp * 2]);index_tmp += 1;}}
}// CRC8 多项式，这里使用常见的0x31（x^8 + x^5 + x^4 + 1）
#define POLYNOMIAL 0x31// 计算CRC8校验值
uint8_t calculateCRC8(uint8_t *data, uint16_t length) 
{uint8_t crc = 0;for (size_t i = 0; i < length; i++) {crc ^= data[i];for (int j = 0; j < 8; j++) {if (crc & 0x80) {crc = (crc << 1) ^ POLYNOMIAL;} else {crc <<= 1;}}}return crc;
}/// @brief 判断是否有扩展域（即是否存在Password TimeTag）
/// @param AFN 
/// @return 存在返回1
uint8_t SZY206_IsAux(uint8_t AFN) 
{// 以下功能码对应的帧包含密码和时间标签扩展域switch (AFN) {case SET_TERMINAL_ADDRESS:case SET_TERMINAL_CLOCK:case SET_TERMINAL_WORK_MODE:case SET_TERMINAL_CURRENT_RECHARGE_AMOUNT:case SET_TERMINAL_REMAINING_WATER_ALARM_VALUE:case SET_TERMINAL_WATER_LEVEL_BASE_AND_LIMITS:case SET_TERMINAL_WATER_PRESSURE_LIMITS:case SET_TERMINAL_WATER_QUALITY_PARAMETER_UPPER_LIMIT:case SET_TERMINAL_WATER_QUALITY_PARAMETER_LOWER_LIMIT:case SET_TERMINAL_INITIAL_WATER_AMOUNT:case SET_TERMINAL_FORWARD_RELAY_LEADING_CODE_LENGTH:case SET_RELAY_FORWARD_TERMINAL_ADDRESS:case SET_RELAY_WORK_MACHINE_AUTO_SWITCH_AND_SELF_REPORT_STATUS:case SET_TERMINAL_FLOW_PARAMETER_UPPER_LIMIT:case SET_TERMINAL_DETECTION_PARAMETER_TRIGGER_THRESHOLD_AND_STORAGE_INTERVAL:case SET_TERMINAL_IC_CARD_FUNCTION_ENABLE:case SET_TERMINAL_IC_CARD_FUNCTION_DISABLE:case FIXED_VALUE_CONTROL_ENGAGE:case FIXED_VALUE_CONTROL_DISENGAGE:case FIXED_VALUE_SETTING:case MODIFY_TERMINAL_PASSWORD:case SET_TERMINAL_REAL_TIME_DATA_TYPE_TO_QUERY:case SET_TERMINAL_SELF_REPORT_DATA_TYPE_AND_INTERVAL:return 1;  // 存在扩展域default:return 0;  // 不存在扩展域}
}/// @brief 填充数据
/// @param buffer 缓存
/// @param control 控制域
/// @param address 地址域
/// @param AFN 功能码
/// @param password 密码
/// @param time_tag 时间
/// @param user_data 用户数据
/// @param user_data_length 用户数据长度
/// @return  帧总长度
uint8_t SZY206_FrameFill(uint8_t *buffer, ControlField control, uint8_t *address, uint8_t AFN,Password password, TimeTag time_tag, uint8_t *user_data, uint16_t user_data_length) {// 将buffer转换为SZY206_Frame_T指针SZY206_Frame_T *frame = (SZY206_Frame_T *)buffer;uint8_t *data_for_crc = &frame->control;uint16_t length=0;uint8_t isAux;uint16_t frame_length=0;// 起始字符frame->start_frame = FRAME_START;frame->start_frame2 = FRAME_START;// 控制域frame->control = control;// 地址域memcpy(frame->address ,address,5);// 应用层功能码frame->AFN = AFN;// 计算长度L（控制域、地址域、用户数据域、密码、时间标签的字节总数）length =  sizeof(ControlField)+5+1+user_data_length;if(isAux) length = length +sizeof(Password)+sizeof(TimeTag);frame->length = length; // 用户数据域// 拷贝用户数据到buffermemcpy(frame->user_data,user_data,user_data_length);//偏移指针frame = frame+user_data_length;isAux = SZY206_IsAux(AFN);if(isAux) {// 密码PWframe->password = password;// 时间标签Tpframe->time_tag = time_tag;} else {frame =frame-sizeof(Password)+sizeof(TimeTag);}// 计算校验和CS（CRC8校验）uint8_t crc = calculateCRC8(data_for_crc, length);frame->checksum = crc;// 结束字符frame->end_char = FRAME_END;frame_length=SZY206_FIX_HEAD_LEN+length+2;  // 返回填充后的帧长度（包括起始字符和结束字符）return frame_length;
}/// @brief 检验帧的正确性
/// @param buffer 缓存
/// @param length 缓存长度
/// @return 
uint8_t SZY206_FrameVerification(uint8_t *buffer , uint16_t length)
{if(buffer ==NULL)return 0;// 最小帧长度为（两个起始字符、控制域、地址域、应用层功能码、校验码和结束字符）if (length < SZY206_MIN_FRAME_LEN) return 0;  // 帧长度过短，错误// 将buffer转换为SZY206_Frame_T指针uint8_t crc=0;SZY206_Frame_T *frame = (SZY206_Frame_T *)buffer;if(frame->start_frame!=FRAME_START || frame->start_frame2!=FRAME_START)return 0;crc = calculateCRC8(&frame->control,frame->length);if(frame->length > SZY206_USER_DATA_OFFSET-SZY206_FIX_HEAD_LEN)  //是否存在用户数据frame = frame+frame->length;if(!SZY206_IsAux(frame->AFN)){frame = frame-sizeof(Password)+sizeof(TimeTag);}if(crc != frame->checksum)return 0;if(frame->end_char != FRAME_END)return 0;return 1;
}/// @brief 解析帧
/// @param buffer 
/// @param length 
/// @param control 控制域
/// @param AFN 功能吗
/// @param user_data 用户数据
/// @return 
uint8_t SZY206_Parse(uint8_t *buffer , uint16_t length ,ControlField  *control , uint8_t *AFN,Password *password ,TimeTag *time_tag,uint8_t *user_data)
{if(buffer ==NULL)return 0;SZY206_Frame_T *frame = (SZY206_Frame_T *)buffer;*control = frame->control;*AFN = frame->AFN;*user_data = frame->user_data;if(SZY206_IsAux(frame->AFN) && frame->length > SZY206_USER_DATA_OFFSET-SZY206_FIX_HEAD_LEN) {frame = frame+frame->length;*password = frame->password;*time_tag = frame->time_tag;}return 1;
}

szy_main.c 列程

#include "szy_206.h"
// 示例：查询遥测终端实时值（下行）
void queryTerminalRealTimeValueDown() {// 控制域设置ControlField control;control.DIR = 0;   // 下行帧control.DIV = 0;   // 单帧control.FCB = 0;   // 初始帧计数位control.function_code = DOWN_QUERY_RESPONSE_INTEGRATED;   // 查询综合参数实时值// 地址域设置（假设地址为0102030405）uint8_t address[5] = {0x01, 0x02, 0x03, 0x04, 0x05};// 应用层功能码uint8_t AFN = QUERY_TERMINAL_REAL_TIME_VALUE;// 其他参数（密码、时间标签等，此处假设为默认值）Password password = {0};   // 密码部分根据实际情况填充或保持默认TimeTag time_tag = {0};   // 时间标签部分根据实际情况填充或保持默认// 用户数据（根据查询类型确定，这里查询综合参数实时值，示例数据为雨量、水位有值，其他参数无值）uint8_t user_data[1] = {0b00000011};   // 表示雨量、水位参数存在// 计算帧长度并填充帧uint16_t user_data_length = sizeof(user_data);uint8_t buffer[SZY206_MIN_FRAME_LEN + user_data_length];   // 根据预计最大长度分配缓冲区uint8_t frame_length = SZY206_FrameFill(buffer, control, address, AFN, password, time_tag, user_data, user_data_length);// 发送帧（这里假设通过串口发送，实际根据通信方式实现）sendFrame(buffer, frame_length);   // 发送帧的函数需根据实际通信方式实现
}// 示例：解析查询遥测终端实时值的上行帧
void parseQueryTerminalRealTimeValueUp(uint8_t *received_buffer, uint16_t received_length) {// 验证帧的正确性if (SZY206_FrameVerification(received_buffer, received_length)) {// 解析帧ControlField control;uint8_t AFN;Password password;TimeTag time_tag;uint8_t *user_data;if (SZY206_Parse(received_buffer, received_length, &control, &AFN, &password, &time_tag, &user_data)) {if (control.DIR == 1 && AFN == QUERY_TERMINAL_REAL_TIME_VALUE) {// 根据数据域格式解析数据（这里仅为示例，实际根据文档详细格式解析）// 假设解析雨量、水位、流量等参数uint8_t rainfall[3];uint8_t water_level[4];uint8_t flow[5];memcpy(rainfall, user_data, 3);memcpy(water_level, user_data + 3, 4);memcpy(flow, user_data + 7, 5);// 处理解析后的数据（打印或存储等操作）printf("Rainfall: %.1f mm\n", (float)(rainfall[0] + (rainfall[1] << 8) + (rainfall[2] << 16)) / 10);printf("Water Level: %.3f m\n", (float)(water_level[0] + (water_level[1] << 8) + (water_level[2] << 16) + (water_level[3] << 24)) / 1000);printf("Flow: %.3f m³/s\n", (float)(flow[0] + (flow[1] << 8) + (flow[2] << 16) + (flow[3] << 24) + (flow[4] << 32)) / 1000);}}} else {printf("Received frame is incorrect.\n");}
}// 示例：设置遥测终端工作模式（下行）
void setTerminalWorkModeDown() {// 控制域设置ControlField control;control.DIR = 0;   // 下行帧control.DIV = 0;   // 单帧control.FCB = 0;   // 初始帧计数位control.function_code = DOWN_SEND_CONFIRM_COMMAND;   // 发送/确认命令// 地址域设置（假设地址为0102030405）uint8_t address[5] = {0x01, 0x02, 0x03, 0x04, 0x05};// 应用层功能码uint8_t AFN = SET_TERMINAL_WORK_MODE;// 密码（假设密码算法为1，密钥为123）Password password;password.key_algorithm = 1;password.key = 123;// 时间标签（假设当前时间为2023年10月10日10时10分10秒，允许延时10分钟）TimeTag time_tag;time_tag.start_frame_send_time = (10 << 24) | (10 << 16) | (10 << 8) | 10;   // 秒、分、时、日的BCD码组合time_tag.allow_send_transfer_delay_time = 10;// 用户数据（设置工作模式为自报工作状态，01H）uint8_t user_data[1] = {0x01};// 计算帧长度并填充帧uint16_t user_data_length = sizeof(user_data);uint8_t buffer[SZY206_MIN_FRAME_LEN + user_data_length];   // 根据预计最大长度分配缓冲区uint8_t frame_length = SZY206_FrameFill(buffer, control, address, AFN, password, time_tag, user_data, user_data_length);// 发送帧（这里假设通过串口发送，实际根据通信方式实现）sendFrame(buffer, frame_length);   // 发送帧的函数需根据实际通信方式实现
}// 示例：解析设置遥测终端工作模式的上行确认帧
void parseSetTerminalWorkModeUp(uint8_t *received_buffer, uint16_t received_length) {// 验证帧的正确性if (SZY206_FrameVerification(received_buffer, received_length)) {// 解析帧ControlField control;uint8_t AFN;Password password;TimeTag time_tag;uint8_t *user_data;if (SZY206_Parse(received_buffer, received_length, &control, &AFN, &password, &time_tag, &user_data)) {if (control.DIR == 1 && AFN == SET_TERMINAL_WORK_MODE) {// 根据确认帧数据域格式解析数据（这里假设数据域为1字节，表示终端工作模式确认）uint8_t work_mode_confirmation = *user_data;if (work_mode_confirmation == 0x01) {printf("Terminal work mode set to self-report successfully.\n");} else {printf("Terminal work mode set failed.\n");}}}} else {printf("Received frame is incorrect.\n");}
}// 示例：遥测终端自报实时数据（上行）
void terminalSelfReportRealTimeDataUp() {// 控制域设置ControlField control;control.DIR = 1;   // 上行帧control.DIV = 0;   // 单帧control.FCB = 0;   // 初始帧计数位control.function_code = UP_SELF_REPORT_RAINFALL;   // 自报雨量数据// 地址域设置（假设地址为0102030405）uint8_t address[5] = {0x01, 0x02, 0x03, 0x04, 0x05};// 应用层功能码uint8_t AFN = TERMINAL_SELF_REPORT_REAL_TIME_DATA;// 其他参数（密码、时间标签等，此处假设为默认值）Password password = {0};   // 密码部分根据实际情况填充或保持默认TimeTag time_tag = {0};   // 时间标签部分根据实际情况填充或保持默认// 用户数据（假设雨量值为10.5mm，根据数据格式转换为BCD码）uint8_t user_data[3];SZY206_Dec2bcd(user_data, 10.5, 3, 1);   // 将雨量值转换为BCD码格式// 计算帧长度并填充帧uint16_t user_data_length = sizeof(user_data);uint8_t buffer[SZY206_MIN_FRAME_LEN + user_data_length];   // 根据预计最大长度分配缓冲区uint8_t frame_length = SZY206_FrameFill(buffer, control, address, AFN, password, time_tag, user_data, user_data_length);// 发送帧（这里假设通过无线通信模块发送，实际根据通信方式实现）sendFrame(buffer, frame_length);   // 发送帧的函数需根据实际通信方式实现
}// 示例：解析遥测终端自报实时数据的下行确认帧
void parseTerminalSelfReportRealTimeDataDown(uint8_t *received_buffer, uint16_t received_length) {// 验证帧的正确性if (SZY206_FrameVerification(received_buffer, received_length)) {// 解析帧ControlField control;uint8_t AFN;Password password;TimeTag time_tag;uint8_t *user_data;if (SZY206_Parse(received_buffer, received_length, &control, &AFN, &password, &time_tag, &user_data)) {if (control.DIR == 0 && AFN == TERMINAL_SELF_REPORT_REAL_TIME_DATA) {// 根据确认帧数据域格式解析数据（这里假设数据域为1字节，表示终端工作模式确认）uint8_t work_mode_confirmation = *user_data;if (work_mode_confirmation == 0x01) {printf("Terminal is in self-report work mode.\n");} else if (work_mode_confirmation == 0x02) {printf("Terminal is in query/response work mode.\n");} else {printf("Terminal work mode confirmation error.\n");}}}} else {printf("Received frame is incorrect.\n");}
}