- #include <rtthread.h>
- #include <rtdevice.h>
- #include <string.h>
- #include "board.h"
- #include "drv_gpio.h"
- #include "at.h"
- at_response_t resp = RT_NULL;
- void at_init(void)
- {
- at_client_init("uart2", 512);
-
- //创建响应结构体，最大长度为512字节，数据行数无限制，超时时间为5s
- resp = at_create_resp(512,0,rt_tick_from_millisecond(5000));
- if(!resp)
- {
- rt_kprintf("No memory for response structure!\r\n");
- }
- }
- INIT_APP_EXPORT(at_init);
- void at_test(int argc,char *argv[])
- {
- char *str;
- // char table[40]="AT+CIPSEND=";
- // char *cmd_str=table;
- if(strcmp(argv[1],"AT")==0)
- {
- at_exec_cmd(resp,"AT");//测试命令
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- rt_kprintf("success\r\n");
- }
- else
- {
- rt_kprintf("fail\r\n");
- }
-
- }
- else if(strcmp(argv[1],"RST")==0)
- {
- at_exec_cmd(resp,"AT+RST");//重启模块
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- rt_kprintf("RST success\r\n");
- }
- else
- {
- rt_kprintf("RST fail\r\n");
- }
- }
- else if(strcmp(argv[1],"CWMODE")==0)//设置模式,1-station模式，2-AP模式，3-AP+station模式
- {
- if(strcmp(argv[2],"1")==0)
- {
- at_exec_cmd(resp,"AT+CWMODE=1");//station模式
- }
- else if(strcmp(argv[2],"2")==0)
- {
- at_exec_cmd(resp,"AT+CWMODE=2");//AP模式
- }
- else if(strcmp(argv[2],"3")==0)
- {
- at_exec_cmd(resp,"AT+CWMODE=3");//AP+station模式
- }
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- rt_kprintf("CWMODE success\r\n");
- }
- else
- {
- rt_kprintf("CWMODE fail\r\n");
- }
- }
- else if(strcmp(argv[1],"CWSAP")==0)//配置AP参数
- {
- at_exec_cmd(resp,"AT+CWSAP="test426","12345678",1,3");
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- rt_kprintf("success\r\n");
- }
- else
- {
- rt_kprintf("fail\r\n");
- }
- }
- else if(strcmp(argv[1],"CIFSR")==0)//查看本机ip
- {
- at_exec_cmd(resp,"AT+CIFSR");
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- //rt_kprintf("success\r\n");
- at_resp_parse_line_args_by_kw(resp, ".","%s" ,str);
- rt_kprintf("ip=%s\r\n",str);
- }
- else
- {
- rt_kprintf("fail\r\n");
- }
- }
- else if(strcmp(argv[1],"CWMODE?")==0)//查看应用模式
- {
- at_exec_cmd(resp,"AT+CWMODE?");
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- //rt_kprintf("success\r\n");
- at_resp_parse_line_args_by_kw(resp, ":","%s" ,str);
- rt_kprintf("%s\r\n1-STATION,2-AP,3-STATION+AP\r\n",str);
- }
- else
- {
- rt_kprintf("fail\r\n");
- }
- }
- else if(strcmp(argv[1],"CIPMUX?")==0)//查看是否建立多连接
- {
- at_exec_cmd(resp,"AT+CIPMUX?");
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- //rt_kprintf("success\r\n");
- at_resp_parse_line_args_by_kw(resp, ":","%s" ,str);
- rt_kprintf("%s\r\n0-single，1-mux\r\n",str);
- }
- else
- {
- rt_kprintf("fail\r\n");
- }
- }
- else if(strcmp(argv[1],"CIPMODE?")==0)//查看是透传还是非透传
- {
- at_exec_cmd(resp,"AT+CIPMODE?");
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- //rt_kprintf("success\r\n");
- at_resp_parse_line_args_by_kw(resp, ":","%s" ,str);
- rt_kprintf("%s\r\n0-non-Penetrate，1-Penetrate\r\n",str);
- }
- else
- {
- rt_kprintf("fail\r\n");
- }
- }
- else if(strcmp(argv[1],"CIPMUX")==0)//开启多连接模式
- {
- at_exec_cmd(resp,"AT+CIPMUX=1");
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- rt_kprintf("success\r\n");
- }
- else
- {
- rt_kprintf("fail\r\n");
- }
- }
- else if(strcmp(argv[1],"CIPSERVER")==0)//创建服务器
- {
- at_exec_cmd(resp,"AT+CIPSERVER=1,8080");
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- rt_kprintf("success\r\n");
- }
- else
- {
- rt_kprintf("fail\r\n");
- }
- }
- else if(strcmp(argv[1],"CIPSERVER_OFF")==0)//关闭服务器
- {
- at_exec_cmd(resp,"AT+CIPSERVER=0");
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- rt_kprintf("success\r\n");
- }
- else
- {
- rt_kprintf("fail\r\n");
- }
- }
- else if(strcmp(argv[1],"CIPSTATUS")==0)//查看当前连接
- {
- at_exec_cmd(resp,"AT+CIPSTATUS");
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- //rt_kprintf("success\r\n");
- at_resp_parse_line_args_by_kw(resp, ":","%s" ,str);
- rt_kprintf("%s\r\n",str);
- at_resp_parse_line_args_by_kw(resp, "+CIPSTATUS:","%s" ,str);
- rt_kprintf("%s\r\n",str);
- }
- else
- {
- rt_kprintf("fail\r\n");
- }
- }
- else if(strcmp(argv[1],"CIPSEND")==0)//发送数据
- {
- char cmd_table[40]="AT+CIPSEND=";
- at_exec_cmd(resp,strcat(cmd_table,argv[2]));
- if(at_resp_get_line_by_kw(resp, "OK")!=RT_NULL)
- {
- rt_kprintf("success\r\n");
- at_exec_cmd(resp,"1234");
- // at_resp_parse_line_args_by_kw(resp, ":","%s" ,str);
- // rt_kprintf("%s\r\n",str);
- // at_resp_parse_line_args_by_kw(resp, "+CIPSTATUS:","%s" ,str);
- // rt_kprintf("%s\r\n",str);
- }
- else
- {
- rt_kprintf("fail\r\n");
- }
- }
- }
- MSH_CMD_EXPORT(at_test, AT Client send commands to AT Server and get response data);
⑥编译下载验证
编译下载后，连接好wifi模块，wifi模块必须接到uart2上，也就是PA2和PA3
先测试一下AT命令
返回success，说明单片机与wifi模块已打通
再测试一下其他指令：
到目前为止，wifi模块已设置为服务器并已开启
wifi的用户名为
test426
密码为
12345678
将电脑连接到该热点上，然后开发网络调试助手，就可以进行数据收发了，如下
到此，RT-Thread的AT组件测试成功。
楼主
