279 lines
7.8 KiB
C
279 lines
7.8 KiB
C
#include "EC801E.h"
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#include "stdio.h"
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#include "usart.h"
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#include "string.h"
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#include "cJSON.h"
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#include "uart_dev.h"
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#include "anemometer_dev.h"
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#define USE_UTC 1
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uint32_t g_time_stamp;
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void parse_json(uint8_t *json_buff);
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//控制上电并开机
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void EC801E_Power_ON()
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{
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// PWR_KEY_4G_Pin低电平，上电自动开机
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HAL_GPIO_WritePin(GPIO_4G_PWR_KEY_GPIO_Port, GPIO_4G_PWR_KEY_Pin, GPIO_PIN_SET);
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//上电
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HAL_GPIO_WritePin(GPIO_4G_PWR_CTRL_GPIO_Port, GPIO_4G_PWR_CTRL_Pin, GPIO_PIN_SET);
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}
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//开机状态检测
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//HAL_OK:正常开机
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uint8_t Read_Status()
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{
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uint8_t temp_status = HAL_ERROR;
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temp_status = HAL_GPIO_ReadPin(GPIO_4G_STATUS_GPIO_Port, GPIO_4G_STATUS_Pin) == GPIO_PIN_SET ? HAL_OK : HAL_ERROR;
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return temp_status;
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}
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//串口重定向打印
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size_t __write(int handle, const unsigned char * buffer, size_t size)
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{
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if(HAL_OK == HAL_UART_Transmit(&huart1,(uint8_t *)buffer,size,100000))
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{
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return size;
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}
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else
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{
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return -1;
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}
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}
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// MQTT打开客户端网络.连接MQTT服务器.订阅
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void MQTT_Config()
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{
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// 确保4G模块完全开机
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osDelay(5000);
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uart_sendstr(g_ec801_uart_handle, "AT+QMTCFG=\"session\",0,0\r\n");
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osDelay(5000);
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// 打开客户端网络
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uart_sendstr(g_ec801_uart_handle, "AT+QMTOPEN=0,199.7.140.10,1883\r\n");
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// HAL_UART_Transmit(&huart5, (uint8_t *)"AT+QMTOPEN=0,199.7.140.10,1883\r\n", 30, 0xFFFF);
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// 确保打开网络完成
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osDelay(5000);
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// 连接服务器
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uart_sendstr(g_ec801_uart_handle, "AT+QMTCONN=0,Test_SUB\r\n");
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// HAL_UART_Transmit(&huart5, (uint8_t *)"AT+QMTCONN=0,Test_SUB\r\n", sizeof("AT+QMTCONN=0,Test_SUB\r\n"), 0xFFFF);
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// 确保服务器连接完毕
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osDelay(5000);
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// 订阅主题
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uart_sendstr(g_ec801_uart_handle, "AT+QMTSUB=0,0,Test_Topic,0\r\n");
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// HAL_UART_Transmit(&huart5, (uint8_t *)"AT+QMTSUB=0,0,Test_Topic,0\r\n", sizeof("AT+QMTSUB=0,0,Test_Topic,0\r\n"), 0xFFFF);
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}
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// MQTT发送数据
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void MQTT_Trans_Data( )
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{
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//字符串长度
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uint8_t str_len = 0;
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char str_len_str[32];
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//创建获取数据指针
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float32_t *ptr = (float32_t *)&g_stMcs_Para;
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// 创建JSON数组及对象
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char *cjson_str = NULL;
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cJSON * JsonRoot = cJSON_CreateObject();
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cJSON * DataArray = cJSON_CreateArray();
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cJSON_AddStringToObject(JsonRoot, "deviId", "item_id");
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cJSON_AddStringToObject(JsonRoot, "frameType", "item_type");
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cJSON_AddNumberToObject(JsonRoot, "timeStamp", g_time_stamp);
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cJSON_AddNumberToObject(JsonRoot, "version", 10);
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cJSON_AddItemToObject(JsonRoot, "data", DataArray);//添加data数组
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for(int i = 0; i < sizeof(mcs_para)/sizeof(float32_t) - 2; i++)// 雨量光辐射还是空气
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{
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cJSON_AddItemToArray(DataArray, cJSON_CreateNumber(((float)((int )(ptr[i] * 100 + 0.5)))/100.0));// 四舍五入两位小数
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}
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// 对象转字符串
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cjson_str = cJSON_Print(JsonRoot);
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str_len = strlen(cjson_str) + 2 + 4;
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sprintf(str_len_str, "%d", str_len);
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// 发送发数据包命令
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osDelay(2000);
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uart_sendstr(g_ec801_uart_handle, "AT+QMTPUBEX=0,0,0,0,Test_Topic,");
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uart_sendstr(g_ec801_uart_handle, str_len_str);
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uart_sendstr(g_ec801_uart_handle, "\r\n");
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//发送数据包
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osDelay(2000);
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uart_sendstr(g_ec801_uart_handle, cjson_str);
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// uart_sendstr(g_ec801_uart_handle, "\r\n");
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//释放
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vPortFree(cjson_str);
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cJSON_Delete(JsonRoot);
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}
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// 判断闰年，1闰0平
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uint16_t fml_leap_year(uint16_t year)
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{
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return (((year % 4 == 0)&&(year % 100 != 0)) || (year % 400 == 0));
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}
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//日期转时间戳
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uint32_t fml_time_to_stamp(int year, int month, int day, int hour, int minute, int second)
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{
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static uint32_t dax = 0;
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static uint32_t day_count = 0;
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uint16_t leap_year_count = 0;
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uint16_t i;
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// 计算闰年数
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for (i = 1970; i < year; i++)
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{
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if (fml_leap_year(i))
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{
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leap_year_count++;
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}
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}
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// 计算年的总天数
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day_count = leap_year_count * 366 + (year - 1970 - leap_year_count) * 365;
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uint8_t mouthday[13] = {0, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
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// 计算当年到当前月的所有天数
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for (i = 1; i < month; i++)
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{
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day_count += mouthday[i];
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}
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if(fml_leap_year(year))
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{
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day_count += 1;
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}
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// 累加计算当月的天数
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day_count += (day - 1);
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dax = (uint32_t)(day_count * 86400) + (uint32_t)((uint32_t)hour * 3600) + (uint32_t)((uint32_t)minute * 60) + (uint32_t)second;
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return dax;
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}
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//时间获取完成变量，用于控制是否开始MQTT信息接收
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uint8_t time_get_ok = 0;
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// 生成时间戳
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int EC801_GET_Time()
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{
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int year, month, day, hour, minute, second;
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if(USE_UTC)
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{
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uart_sendstr(g_ec801_uart_handle, "AT+QLTS=0\r\n");
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}else
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{
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uart_sendstr(g_ec801_uart_handle, "AT+QLTS=2\r\n");
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}
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osDelay(1000);
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char time[100] = {0};int index = 0;
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// 第一个“后是时间，前面不要
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do{
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time[index] = uart_dev_in_char(g_ec801_uart_handle);
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}while(time[index++] != '"' && uart_dev_char_present(g_ec801_uart_handle));
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// 丢掉前面的
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memcpy(time, time + index - 1, index);
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index = 1;
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// "前面是时间
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do{
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time[index] = uart_dev_in_char(g_ec801_uart_handle);
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}while(time[index++] != '"' && uart_dev_char_present(g_ec801_uart_handle));
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// 字符提取成int
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sscanf(time, "\"%d/%d/%d,%d:%d:%d\"", &year, &month, &day, &hour, &minute, &second);
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if(year)
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{
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time_get_ok = 1;
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}
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// 生成时间戳
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g_time_stamp = fml_time_to_stamp(year, month, day, hour, minute, second);
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return year;
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}
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#define JSON_BUFFER_SIZE 200
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// 解析收到的4g模块数据
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void parse_4g_receive_data()
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{
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uint8_t temp_buff[JSON_BUFFER_SIZE];
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int jsonBufferIndex = 0; // 索引
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char c = 0;
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int inJson = 0;
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if(uart_dev_char_present(g_ec801_uart_handle)){
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memset(temp_buff, '\0', sizeof(temp_buff));//每次接受前清空一下BUFF
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for(jsonBufferIndex = 0; uart_dev_char_present(g_ec801_uart_handle);)
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{
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c = uart_dev_in_char(g_ec801_uart_handle);
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if (c == '{') {
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inJson = 1; // 进入JSON字符串
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jsonBufferIndex = 0; // 重置JSON缓冲区索引
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temp_buff[jsonBufferIndex++] = c;
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} else if (c == '}' && inJson) {
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temp_buff[jsonBufferIndex++] = c;
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//重置索引与标志
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jsonBufferIndex = 0;
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inJson = 0;
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} else if (inJson) {
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// 如果在JSON字符串内部，则存储字符
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if (jsonBufferIndex < JSON_BUFFER_SIZE - 1) { // 保留一个位置给字符串结束符
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temp_buff[jsonBufferIndex++] = c;
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}
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}else {
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jsonBufferIndex++;//一直没有{可以继续检索
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}
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}
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// temp_buff为接收到的JSON
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// term_printf(temp_buff);
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// 不为空再解析
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if(temp_buff[0] != '\0')
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{
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parse_json(temp_buff);
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}
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}
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}
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void parse_json(uint8_t *json_buff)
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{
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cJSON* cjson_root = cJSON_Parse(json_buff);
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if(cjson_root == NULL)
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{
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term_printf("parse fail.\n");
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return;
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}
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cJSON* cjson_id = cJSON_GetObjectItem(cjson_root, "deviId");
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cJSON* cjson_type = cJSON_GetObjectItem(cjson_root, "frameType");
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cJSON* cjson_version = cJSON_GetObjectItem(cjson_root, "version");
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cJSON* cjson_response = cJSON_GetObjectItem(cjson_root, "response");
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cJSON* cjson_time = cJSON_GetObjectItem(cjson_root, "timeStamp");
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// 取出数据
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char *temp_id = cjson_id -> valuestring;
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char *temp_type = cjson_type -> valuestring;
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int temp_version = cjson_version -> valueint;
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int temp_response = cjson_response -> valueint;
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int temp_time = cjson_time -> valueint;
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// term_printf("deviId=%s\n frameType=%s\n version=%d\n response=%d\n timeStamp=%d\n", temp_id, temp_type, temp_version, temp_response, temp_time);
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cJSON_Delete(cjson_root);
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// 数据处理
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}
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