wifi only 基準コード

Dependencies:   RemoteIR TextLCD

Revision:
0:2e9a86765692
Child:
1:a45cf46c1adc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Aug 06 00:10:24 2020 +0000
@@ -0,0 +1,479 @@
+#include "mbed.h"
+#include "ReceiverIR.h"
+#include "rtos.h"
+#include <stdint.h>
+#include "platform/mbed_thread.h"
+#include "TextLCD.h"
+RawSerial pc(USBTX, USBRX);
+//Serial esp(p28, p27); // tx, rx
+
+RawSerial esp(p13, p14); // tx, rx
+// Standard Mbed LED definitions
+DigitalOut  led1(LED1);    
+DigitalOut  led2(LED2);    
+DigitalOut  led3(LED3);
+DigitalOut  led4(LED4);     
+
+Timer t1;
+Timer t2;
+
+struct tm t;
+
+
+int bufflen, DataRX, count_wifi, getcount, replycount, servreq, timeout;
+int bufl, ipdLen, linkID, weberror, webcounter,click_flag;
+float temperature, AdcIn, Ht;
+float R1=100000, R2=10000; // resistor values to give a 10:1 reduction of measured AnalogIn voltage
+char Vcc[10];
+char webcount[8];
+char type[16];
+char type1[16];
+char channel[2];
+char cmdbuff[32];
+char replybuff[1024];
+
+char webdata[1024]; // This may need to be bigger depending on WEB browser used
+char webbuff[4096*4];     // Currently using 1986 characters, Increase this if more web page data added
+
+
+void SendCMD(),getreply(),ReadWebData(),startserver(),sendpage(),SendWEB(),sendcheck(),touchuan();
+void wifi(void const *argument);
+
+Thread wifi_thread(wifi, NULL, osPriorityNormal); // decodeIRをスレッド化 :+3
+
+int port        =80;  // set server port
+int SERVtimeout =5;    // set server timeout in seconds in case link breaks.
+
+// Serial Interrupt read ESP data
+void callback()
+{
+    //pc.printf("\n\r------------ callback is being called --------------\n\r");
+    led3=1;
+    while (esp.readable()) {
+        webbuff[count_wifi] = esp.getc();
+        count_wifi++;
+    }
+    if(strlen(webbuff)>bufflen) {
+        pc.printf("\f\n\r------------ webbuff over bufflen --------------\n\r");
+        DataRX=1;
+        led3=0;
+    }
+}
+
+void wifi(void const *argument){ 
+   pc.baud(115200);
+
+    pc.printf("\f\n\r------------ ESP8266 Hardware Reset psq --------------\n\r");
+    wait(0.5);
+    led1=1,led2=0,led3=0;
+    timeout=6000;
+    getcount=500;
+    getreply();
+    esp.baud(115200);   // ESP8266 baudrate. Maximum on KLxx' is 115200, 230400 works on K20 and K22F
+    startserver();
+    
+    while(1) {
+        if(DataRX==1) {
+            pc.printf("\f\n\r------------ main while > if --------------\n\r");
+            click_flag = 1;
+            ReadWebData();
+            pc.printf("\f\n\r------------ click_flag=%d --------------\n\r",click_flag); 
+            //if ((servreq == 1 && weberror == 0) && click_flag == 1) {
+            if (servreq == 1 && weberror == 0) {
+                pc.printf("\f\n\r------------ befor send page --------------\n\r");        
+                sendpage();
+            }
+            pc.printf("\f\n\r------------ send_check begin --------------\n\r"); 
+            
+            //sendcheck();
+            pc.printf("\f\n\r------------ ssend_check end--------------\n\r"); 
+            
+            esp.attach(&callback);
+            pc.printf(" IPD Data:\r\n\n Link ID = %d,\r\n IPD Header Length = %d \r\n IPD Type = %s\r\n", linkID, ipdLen, type);
+            pc.printf("\n\n  HTTP Packet: \n\n%s\n", webdata);
+            pc.printf("  Web Characters sent : %d\n\n", bufl);
+            pc.printf("  -------------------------------------\n\n");
+            servreq=0;
+        }
+    }
+}
+int main()
+{
+    while(1){
+        Thread::wait(100);
+    }
+}
+// Static WEB page
+void sendpage()
+{
+// WEB page data
+
+strcpy(webbuff, "<!DOCTYPE html>");
+strcat(webbuff, "<html><head><title>RobotCar</title><meta name='viewport' content='width=device-width'/>");    
+strcat(webbuff, "</head><body><center><p><strong>Robot Car Remot Controller");
+strcat(webbuff, "</strong></p><td style='vertical-align:top;'><strong>Battery level ");
+strcat(webbuff, "<input type=\"text\" id=\"leftms\" size=4 value=250>%</strong>");
+strcat(webbuff, "</td></p><tr ><strong>Now speed : </strong></tr><nobr id=\"speprint\">ready");
+strcat(webbuff, "</nobr><br><tr ><strong>Now action : </strong></tr>");
+strcat(webbuff, "<nobr id=\"funprint\">ready</nobr><table><tr><td></td><td>");
+
+strcat(webbuff, "<button id='gobtn' type='button' style='width:100px;height:60px'  value=\"GO\"  onClick='send_mes(this.id,this.value)'>GO");
+strcat(webbuff, "</button></td><td></td></tr><tr><td>");
+strcat(webbuff, "<button id='leftbtn' type='button' style='width:100px;height:60px' value=\"LEFT\"  onClick='send_mes(this.id,this.value)' >LEFT");
+strcat(webbuff, "</button></td><td>");
+
+strcat(webbuff, "<button id='stopbtn' type='button' style='width:100px;height:60px' value=\"STOP\"  onClick='send_mes(this.id,this.value)' >STOP");
+strcat(webbuff, "</button></td><td>");
+strcat(webbuff, "<button id='rightbtn' type='button' style='width:100px;height:60px' value=\"RIGHT\"  onClick='send_mes(this.id,this.value)' >RIGHT");
+strcat(webbuff, "</button></td></tr><td></td><td>");
+strcat(webbuff, "<button id='backbtn' type='button' style='width:100px;height:60px' value=\"BACK\" onClick='send_mes(this.id,this.value)' >BACK");
+strcat(webbuff, "</button></td><td style='vertical-align:top; text-align:right;'></td></tr></table>");
+
+
+
+//begin
+strcat(webbuff, "<strong>Addition functions:</strong><table>");
+strcat(webbuff, "<td>");//ok
+strcat(webbuff, "<button id='avoidbtn' type='button' style='width:100px;height:60px' value=\"AVOIDANCE\"  onClick='send_mes_fun(this.id,this.value)' >");
+strcat(webbuff, "AVOIDANCE</button></td><td>");
+strcat(webbuff, "<button id='tracebtn' type='button' style='width:100px;height:60px' value=\"LINETRACE\"  onClick='send_mes_fun(this.id,this.value)' >LINE TRACE");
+strcat(webbuff, "</button></td></table><table><td>");
+strcat(webbuff, "</td><strong>Speed level:</strong>");
+strcat(webbuff, "</table><table><td>");
+strcat(webbuff, "<button id='sp1btn' type='button' style='width:100px;height:60px' value=\"SLOW\"  onClick='send_mes_spe(this.id,this.value)' >SLOW");
+strcat(webbuff, "</button></td><td>");
+strcat(webbuff, "<button id='sp2btn' type='button' style='width:100px;height:60px' value=\"FAST\"  onClick='send_mes_spe(this.id,this.value)' >FAST");
+strcat(webbuff, "</button>");
+strcat(webbuff, "</td>");    
+strcat(webbuff, "<td>");
+strcat(webbuff, "<button id='sp3btn' type='button' style='width:100px;height:60px' value=\"VERYFAST\"  onClick='send_mes_spe(this.id,this.value)' >FLY");
+strcat(webbuff, "</button>");
+strcat(webbuff, "</td></table>");    
+strcat(webbuff, "<table>");        
+strcat(webbuff, "<td>");
+strcat(webbuff, "</td>");    
+strcat(webbuff, "</table>");    //end
+
+
+
+strcat(webbuff, "</center>");
+strcat(webbuff, "</body>");
+strcat(webbuff, "</html>");
+strcat(webbuff, "<script language=\"javascript\" type=\"text/javascript\">");
+strcat(webbuff, "function send_mes(btnmes,btnval){");
+strcat(webbuff, "var url = \"http://\" + window.location.hostname + \"/cargo?a=\" + btnval;");
+strcat(webbuff, "htmlacs(url);");
+strcat(webbuff, "console.log(url);");
+strcat(webbuff, "}");
+strcat(webbuff, "function htmlacs(url) {");
+strcat(webbuff, "var xhr = new XMLHttpRequest();");
+strcat(webbuff, "xhr.open(\"GET\", url);");
+strcat(webbuff, "xhr.send(\"\");");
+strcat(webbuff, "}");
+strcat(webbuff, "function send_mes_spe(btnmes,btnval){");
+strcat(webbuff, "var url = \"http://\" + window.location.hostname + \"/cargo?a=\" + btnval;");
+strcat(webbuff, "htmlacs(url);");
+strcat(webbuff, "if(document.getElementById(\"speprint\")){");
+strcat(webbuff, "document.getElementById(\"speprint\").innerHTML=btnval;");
+strcat(webbuff, "}");
+strcat(webbuff, "}");
+strcat(webbuff, "function send_mes_fun(btnmes,btnval){");
+strcat(webbuff, "var url = \"http://\" + window.location.hostname + \"/cargo?a=\" + btnval;");
+strcat(webbuff, "htmlacs(url);");
+strcat(webbuff, "if(document.getElementById(\"funprint\")){");
+strcat(webbuff, "document.getElementById(\"funprint\").innerHTML=btnval;");
+strcat(webbuff, "}");
+strcat(webbuff, "}");
+strcat(webbuff, "</script>");
+// end of WEB page data
+    bufl = strlen(webbuff); // get total page buffer length
+    //sprintf(cmdbuff,"AT+CIPSEND=%d,%d\r\n", linkID, bufl); // send IPD link channel and buffer character length.
+    
+    sprintf(cmdbuff,"AT+CIPSENDBUF=%d,%d\r\n", linkID, (bufl>2048?2048:bufl)); // send IPD link channel and buffer character length.
+    timeout=500;
+    getcount=40;
+    SendCMD();
+    getreply();
+    pc.printf(replybuff);
+    pc.printf("\n++++++++++ AT+CIPSENDBUF=%d,%d+++++++++\r\n", linkID, (bufl>2048?2048:bufl));
+    
+    pc.printf("\n++++++++++ bufl is %d ++++++++++\r\n",bufl);
+    
+    //pastthrough mode
+    SendWEB();  // send web page
+    pc.printf("\n++++++++++ webbuff clear  ++++++++++\r\n");
+  
+    memset(webbuff, '\0', sizeof(webbuff));
+    sendcheck();
+}
+
+// Large WEB buffer data send
+void SendWEB()
+{
+    int i=0;
+    if(esp.writeable()) {
+        while(webbuff[i]!='\0') {
+            esp.putc(webbuff[i]);
+                 
+          //****
+          //output at command when 2000 
+            if(((i%2047)==0) && (i>0)){    
+                    //wait_ms(10);
+                    sprintf(cmdbuff,"AT+CIPSENDBUF=%d,%d\r\n", linkID, (bufl-2048)>2048?2048:(bufl-2048)); // send IPD link channel and buffer character length.
+                    pc.printf("\r\n++++++++++ AT+CIPSENDBUF=%d,%d ++++++++++\r\n", linkID, (bufl-2048)>2048?2048:(bufl-2048));
+                    timeout=600;
+                    getcount=50;
+                    SendCMD();
+                    getreply();
+                    pc.printf(replybuff);
+                    pc.printf("\r\n+++++++++++++++++++\r\n");
+               }    
+    //****  
+            i++;     
+            pc.printf("%c",webbuff[i]);
+        }
+    }
+     pc.printf("\n++++++++++ send web i= %dinfo ++++++++++\r\n",i);
+}
+
+
+    
+void sendcheck()
+{
+    weberror=1;
+    timeout=500;
+    getcount=24;
+    t2.reset();
+    t2.start();
+    
+    /*
+    while(weberror==1 && t2.read() <5) {
+        getreply();
+        if (strstr(replybuff, "SEND OK") != NULL) {
+            weberror=0;   // wait for valid SEND OK
+        }
+    }
+    */
+    if(weberror==1) { // restart connection
+        strcpy(cmdbuff, "AT+CIPMUX=1\r\n");
+        timeout=500;
+        getcount=10;
+        SendCMD();
+        getreply();
+        pc.printf(replybuff);
+        sprintf(cmdbuff,"AT+CIPSERVER=1,%d\r\n", port);
+        timeout=500;
+        getcount=10;
+        SendCMD();
+        getreply();
+        pc.printf(replybuff);
+    } else {
+        sprintf(cmdbuff, "AT+CIPCLOSE=%s\r\n",channel); // close current connection
+        SendCMD();
+        getreply();
+        pc.printf(replybuff);
+    }
+    t2.reset();
+}
+
+// Reads and processes GET and POST web data
+void ReadWebData()
+{
+    pc.printf("+++++++++++++++++Read Web Data+++++++++++++++++++++\r\n");
+    wait_ms(200);
+    esp.attach(NULL);
+    count_wifi=0;
+    DataRX=0;
+    weberror=0;
+    memset(webdata, '\0', sizeof(webdata));
+    int x = strcspn (webbuff,"+");
+    if(x) {
+        strcpy(webdata, webbuff + x);
+        weberror=0;
+        int numMatched = sscanf(webdata,"+IPD,%d,%d:%s", &linkID, &ipdLen, type);
+        //int i=0;
+        pc.printf("+++++++++++++++++succed rec begin+++++++++++++++++++++\r\n");
+        pc.printf("%s",webdata);
+        pc.printf("+++++++++++++++++succed rec end+++++++++++++++++++++\r\n");
+       /* if( strstr(webdata, "LEFT") != NULL ) {
+             click_flag = 0;
+             led4=!led4;
+             pc.printf("mode = LEFT\r\n");
+                        mode = LEFT;        // 左折モード
+                        run = LEFT;         // 左折
+                        display();
+        }
+        
+        if( strstr(webdata, "RIGHT") != NULL ) {
+            led4=!led4;
+            pc.printf("mode = RIGHT\r\n");
+                        mode = RIGHT;       // 右折モード
+                        run = RIGHT;        // 右折
+                        display();          // ディスプレイ表示
+        }
+        
+        if( strstr(webdata, "GO") != NULL ) {
+            led4=!led4;
+            pc.printf("mode = ADVANCE\r\n");
+            mode = ADVANCE;     // 前進モード
+            run = ADVANCE;      // 前進
+            display();          // ディスプレイ表示
+        }
+        
+        if( strstr(webdata, "BACK") != NULL ) {
+            led4=!led4;
+            pc.printf("mode = BACK\r\n");
+            mode = BACK;        // 後退モード
+            run = BACK;         // 後退
+            display();          // ディスプレイ表示
+        }
+        
+        if( strstr(webdata, "STOP") != NULL ) {
+            led4=!led4;
+             pc.printf("mode = STOP\r\n");
+                        mode = STOP;        // 停止モード
+                        run = STOP;         // 停止
+                        display();          // ディスプレイ表示
+        }
+        
+        if( strstr(webdata, "AVOIDANCE") != NULL ) {
+            led4=!led4;
+             pc.printf("mode = AVOIDANCE\r\n");
+            mode=AVOIDANCE;     // 障害物回避モード
+            run = ADVANCE;      // 前進
+            display();   
+        }
+        
+        if( strstr(webdata, "LINETRACE") != NULL ) {
+            led4=!led4;
+            pc.printf("mode = LINE_TRACE\r\n");
+            mode=LINE_TRACE;    // ライントレースモード
+            display();   
+        }
+        
+        if( strstr(webdata, "SLOW") != NULL ) {
+            led4=!led4;
+            pc.printf("\r\n+++++++++++++++++bbutton right clicked+++++++++++++++++++++\r\n");
+        }
+        
+        if( strstr(webdata, "FAST") != NULL ) {
+            led4=!led4;
+            pc.printf("\r\n+++++++++++++++++bbutton right clicked+++++++++++++++++++++\r\n");
+        }
+        
+        if( strstr(webdata, "VERYFAST") != NULL ) {
+            led4=!led4;
+            pc.printf("\r\n+++++++++++++++++bbutton right clicked+++++++++++++++++++++\r\n");
+        }*/
+        sprintf(channel, "%d",linkID);
+        if (strstr(webdata, "GET") != NULL) {
+            servreq=1;
+            pc.printf("\r\n+++++++++++++++++GET+++++++++++++++++++++\r\n");
+
+        }
+        if (strstr(webdata, "POST") != NULL) {
+            servreq=1;
+            pc.printf("\r\n+++++++++++++++++POST+++++++++++++++++++++\r\n");
+        }
+        webcounter++;
+        sprintf(webcount, "%d",webcounter);
+    } else {
+        pc.printf("\n++++++++++ webbuff clear  ++++++++++\r\n");
+        memset(webbuff, '\0', sizeof(webbuff));
+        esp.attach(&callback);
+        weberror=1;
+    }
+}
+// Starts and restarts webserver if errors detected.
+void startserver()
+{
+    pc.printf("++++++++++ Resetting ESP ++++++++++\r\n");
+    strcpy(cmdbuff,"AT+RST\r\n");
+    timeout=8000;
+    getcount=1000;
+    SendCMD();
+    getreply();
+    pc.printf(replybuff);
+    pc.printf("%d",count_wifi);
+    if (strstr(replybuff, "OK") != NULL) {
+        pc.printf("\n++++++++++ Starting Server ++++++++++\r\n");
+        strcpy(cmdbuff, "AT+CIPMUX=1\r\n");  // set multiple connections.
+        timeout=500;
+        getcount=20;
+        SendCMD();
+        getreply();
+        pc.printf(replybuff);
+        sprintf(cmdbuff,"AT+CIPSERVER=1,%d\r\n", port);
+        timeout=500;
+        getcount=20;
+        SendCMD();
+        getreply();
+        pc.printf(replybuff);
+        wait(1);
+        sprintf(cmdbuff,"AT+CIPSTO=%d\r\n",SERVtimeout);
+        timeout=500;
+        getcount=50;
+        SendCMD();
+        getreply();
+        pc.printf(replybuff);
+        wait(5);
+        pc.printf("\n Getting Server IP \r\n");
+        strcpy(cmdbuff, "AT+CIFSR\r\n");
+        timeout=2500;
+        getcount=200;
+        while(weberror==0) {
+            SendCMD();
+            getreply();
+            if (strstr(replybuff, "0.0.0.0") == NULL) {
+                weberror=1;   // wait for valid IP
+            }
+        }
+        pc.printf("\n Enter WEB address (IP) found below in your browser \r\n\n");
+        pc.printf("\n The MAC address is also shown below,if it is needed \r\n\n");
+        replybuff[strlen(replybuff)-1] = '\0';
+        //char* IP = replybuff + 5;
+        sprintf(webdata,"%s", replybuff);
+        pc.printf(webdata);
+        led2=1;
+        bufflen=200;
+        //bufflen=100;
+        count_wifi=0;
+        pc.printf("\n\n++++++++++ Ready ++++++++++\r\n\n");
+        esp.attach(&callback);
+    } else {
+        pc.printf("\n++++++++++ ESP8266 error, check power/connections ++++++++++\r\n");
+        led1=1;
+        led2=1;
+        led3=1;
+        led4=1;
+        while(1) {
+            led1=!led1;
+            led2=!led2;
+            led3=!led3;
+            led4=!led4;
+            wait(1);
+        }
+    }
+    t2.reset();
+    t2.start();
+}
+// ESP Command data send
+void SendCMD()
+{
+    esp.printf("%s", cmdbuff);
+}
+// Get Command and ESP status replies
+void getreply()
+{
+    memset(replybuff, '\0', sizeof(replybuff));
+    t1.reset();
+    t1.start();
+    replycount=0;
+    while(t1.read_ms()< timeout && replycount < getcount) {
+        if(esp.readable()) {
+            replybuff[replycount] = esp.getc();
+            replycount++;
+        }
+    }
+    t1.stop();
+}
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