249 lines
4.9 KiB
C
249 lines
4.9 KiB
C
#include "atcom.h"
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int wifi_set_state = 0;
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int connect_state = 0;
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char wifiname[100] = "ZTE-JSGSDT\0";
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char wifipassword[100] = "Ss1@3456\0";
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char myip[100] = "192.168.1.180\0";
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char hisip[100] = "192.168.1.83\0";
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char port[100] = "12399\0";
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void at_command_send(uint8_t *Tx_Buf)
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{
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int size = strlen((const char*)Tx_Buf);
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uart_send(&huart6, Tx_Buf, size);
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}
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void at_send(uint8_t *Tx_Buf,int size)
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{
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uart_send(&huart6, Tx_Buf, size);
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}
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bool chaxun_flag = false;
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bool first_flag = false;
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void wifi_set(void)
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{
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switch(wifi_set_state)
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{
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case 0://待机状态，查询WIFI连接结果，开机自动连接
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{
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if(_memcmp(array1,(const uint8_t*)"AT+CWSTATE?",11) == 0)
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{
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if(array1[22] == '0') connect_state = 0; //ESP32-C6 station 尚未进行任何 Wi-Fi 连接
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else if(array1[22] == '1') connect_state = 1; //ESP32-C6 station 已经连接上 AP，但尚未获取到 IPv4 地址
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else if(array1[22] == '2') connect_state = 2; //ESP32-C6 station 已经连接上 AP，并已经获取到 IPv4 地址
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else if(array1[22] == '3') connect_state = 3; //ESP32-C6 station 正在进行 Wi-Fi 连接或 Wi-Fi 重连
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else if(array1[22] == '4') connect_state = 4; //ESP32-C6 station 处于 Wi-Fi 断开状态
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if(connect_state != 2)
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wifi_set_state = 11;
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else
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{
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if(!first_flag)
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wifi_set_state = 14;
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}
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}
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if(!chaxun_flag)
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{
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at_command_send((uint8_t *)"AT+SLEEP=0\r\n");
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chaxun_flag = true;
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wifi_set_state++;
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}
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}
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break;
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case 1://连接WIFI前先退出透传模式
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{
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at_command_send((uint8_t *)"+++");
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wifi_set_state++;
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}
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break;
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case 2://等待
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{
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wifi_set_state++;
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}
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break;
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case 3://重置芯片
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{
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at_command_send((uint8_t *)"AT+RST\r\n");
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wifi_set_state++;
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}
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break;
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case 4://设置 Wi-Fi 模式
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{
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at_command_send((uint8_t *)"AT+CWMODE=1\r\n");//设置 Wi-Fi 模式为 STA
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wifi_set_state++;
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}
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break;
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case 5://修改wifi协议
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{
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at_command_send((uint8_t *)"AT+CWSTAPROTO=31\r\n");//修改wifi协议,WIFI6
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wifi_set_state++;
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}
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break;
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case 6://连接WIFI
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{
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int a = strlen(wifiname);
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int b = strlen(wifipassword);
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int c = 10 + a + 3 + b + 3;
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char wifi_str[100] = "AT+CWJAP=\"";
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strcat(wifi_str,wifiname);
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strcat(wifi_str,"\",\"");
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strcat(wifi_str,wifipassword);
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strcat(wifi_str,"\"\r\n");
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at_send((uint8_t *)wifi_str,c);//设置 Wi-Fi 名称和密码
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delay_ms(1000);
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wifi_set_state++;
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}
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break;
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case 7://判断是否连接成功，失败再次连接
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{
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if(array1[15] == 'O' && array1[16] == 'K')
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wifi_set_state++;
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else
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{
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int a = strlen(wifiname);
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int b = strlen(wifipassword);
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int c = 10 + a + 3 + b + 3;
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char wifi_str[100] = "AT+CWJAP=\"";
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strcat(wifi_str,wifiname);
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strcat(wifi_str,"\",\"");
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strcat(wifi_str,wifipassword);
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strcat(wifi_str,"\"\r\n");
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at_send((uint8_t *)wifi_str,c);//设置 Wi-Fi 名称和密码
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delay_ms(1000);
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wifi_set_state++;
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}
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}
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break;
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case 8://DHCP
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{
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at_command_send((uint8_t *)"AT+CWDHCP=1,1\r\n");//开启DHCP，AT+CWDHCP=1,1
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wifi_set_state++;
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}
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break;
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case 9://查询IP地址
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{
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at_command_send((uint8_t *)"AT+CIPSTA?\r\n");
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wifi_set_state++;
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}
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break;
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case 10://判断IP地址是否获取，失败再次查询
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{
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if(array1[23] == '"')
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{
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for(int i = 0;i < 99;i++)
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{
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if(array1[24+i] == '"')
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{
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myip[i] = '\0';
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i = 100;
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}
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else
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{
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myip[i] = array1[24 + i];
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}
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}
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wifi_set_state++;
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}
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else
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{
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at_command_send((uint8_t *)"AT+CIPSTA?\r\n");
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}
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}
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break;
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case 11://查询WIFI连接状态
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{
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at_command_send((uint8_t *)"AT+CWSTATE?\r\n");
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wifi_set_state = 0;
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}
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break;
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case 12://退出透传
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{
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at_command_send((uint8_t *)"+++");//退出透传
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wifi_set_state++;
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first_flag = true;
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}
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break;
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case 13://断开之前的TCP连接
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{
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at_command_send((uint8_t *)"AT+CIPCLOSE\r\n");//断开TCP连接
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wifi_set_state++;
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}
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break;
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case 14://连接服务器
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{
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int a = strlen(hisip);
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int b = strlen(port);
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int c = 19 + a + 2 + b + 2;
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char server_str[100] = "AT+CIPSTART=\"TCP\",\"";
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strcat(server_str,hisip);
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strcat(server_str,"\",");
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strcat(server_str,port);
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strcat(server_str,"\r\n");
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at_send((uint8_t *)server_str,c);//设置要连接的服务端IP和端口
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delay_ms(1000);
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wifi_set_state++;
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}
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break;
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case 15://等待
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{
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wifi_set_state++;
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}
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break;
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case 16://传输延迟
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{
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at_command_send((uint8_t *)"AT+TRANSINTVL=0\r\n");//设置透传模式下收到数据后立即发送
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wifi_set_state++;
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}
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break;
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case 17://接收透传
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{
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at_command_send((uint8_t *)"AT+CIPMODE=1\r\n");//进入 UART Wi-Fi 透传接收模式
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wifi_set_state++;
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}
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break;
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case 18://发送透传
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{
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at_command_send((uint8_t *)"AT+CIPSEND\r\n");//进入 UART Wi-Fi 透传模式 并发送数据
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wifi_set_state = 0;;
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}
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break;
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case 19://查询WIFI协议
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{
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at_command_send((uint8_t *)"AT+CWSTAPROTO?\r\n");//查询Station 模式下 802.11 b/g/n 协议标准
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wifi_set_state = 0;;
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}
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break;
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}
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}
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void at_callback(void)
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{
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}
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