Victor Dang
my repo
Diff: main.cpp
- Revision:
- 2:3704512ed2d4
- Parent:
- 1:cd76b77e35a4
- Child:
- 3:214db5f41e07
--- a/main.cpp Tue Feb 26 08:33:58 2019 +0000
+++ b/main.cpp Wed Mar 20 04:46:53 2019 +0000
@@ -1,185 +1,412 @@
-#include "mbed.h"
+// ESP-WROOM-02 Static page WEB server to control Mbed
+ #include "mbed.h"
+
Serial pc(USBTX, USBRX);
-Serial esp(p28, p27); // tx, rx
-DigitalOut reset(p26);
-Timer t;
+Serial wroom(p28, p27); // tx, rx
+
+
+
+// Standard Mbed LED definitions
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
-int counter,ended,timeout;
-char buffer[1024];
+
+DigitalOut reset(p26);
+
+Timer t1;
+Timer t2;
+////////
+
+char ssid[32] = "ssid"; // enter WiFi router ssid inside the quotes
+char pwd [32] = "password"; // enter WiFi router password inside the quotes
char str[255];
+void WROOMconfig();
+///////
+struct tm t;
-char ssid[32] = "accesspoint1"; // enter WiFi router ssid inside the quotes
-char pwd [32] = "password"; // enter WiFi router password inside the quotes
+int bufflen, DataRX, counter, getcount, replycount, servreq, timeout;
+int bufl, ipdLen, linkID, weberror;
+
+char temp[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]; // Currently using 1986 characters, Increase this if more web page data added
+
+void SendCMD(),getreply(),ReadWebData(),startserver(),sendpage(),SendWEB(),sendcheck();
+
-void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate();
+
+
+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()
+{
+ //led3=1;
+ while (wroom.readable()) {
+ webbuff[counter] = wroom.getc();
+ counter++;
+ }
+ if(strlen(webbuff)>bufflen) {
+ DataRX=1;
+ //led3=0;
+ }
+}
int main()
{
- reset=0; //hardware reset for 8266
- pc.baud(9600); // set what you want here depending on your terminal program speed
- pc.printf("\f\n\r-------------ESP8266 Hardware Reset-------------\n\r");
+ reset=0;
+ pc.baud(115200);
+ pc.printf("\f\n\r------------ ESP-WROOM-02 Hardware Reset --------------\n\r");
wait(0.5);
reset=1;
- timeout=2;
+ led1=0,led2=0,led3=0;
+ timeout=10;
+ getcount=10;
getreply();
-
- esp.baud(115200); // change this to the new ESP8266 baudrate if it is changed at any time.
+ wroom.baud(115200); // ESP-WROOM-02 baudrate. Maximum on KLxx' is 115200, 230400 works on K20 and K22F
+ WROOMconfig();
+
+
+ startserver();
- //ESPsetbaudrate(); //****************** include this routine to set a different ESP8266 baudrate ******************
-
- ESPconfig(); //****************** include Config to set the ESP8266 configuration ***********************
-
-
-
- // continuosly get AP list and IP
while(1) {
- pc.printf("\n---------- Listing Acces Points ----------\r\n");
- strcpy(str, "AT+CWLAP\r\n");
- SendCMD();
- timeout=15;
+ if(DataRX==1) {
+ ReadWebData();
+
+ if (servreq == 1 && weberror == 0) {
+ sendpage();
+ }
+ wroom.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");
+ //strcpy(lasthit, timebuf);
+ servreq=0;
+ }
+ }
+}
+// Static WEB page
+void sendpage()
+{
+
+// WEB page data
+ strcpy(webbuff, "<!DOCTYPE html>");
+ strcat(webbuff, "<html><head><title>IISEC - Matsui Lab</title><meta charset=\"UTF-8\"></head>");
+ //strcat(webbuff, "<html><head><title>IISEC - Matsui Lab</title></head>");
+ strcat(webbuff, "<body>");
+ //strcat(webbuff, "<div style=\"text-align:center; background-color:#F4F4F4; color:#00AEDB;\"><h1>ESP-WROOM-02 and LPC7168 Web Server</h1>");
+ strcat(webbuff, "<div style=\"text-align:center; background-color:#F4F4F4; color:#00AEDB;\"><h1>情報セキュリティ大学院 <br> 松井研 - 2019</h1>");
+ strcat(webbuff, "<br><h1>ESP-WROOM-02 and LPC7168 Webサーバー</h1>");
+ strcat(webbuff, "</div><br /><hr>\r\n");
+
+ strcat(webbuff, "<p><div align=\"center\"><form method=\"POST\"><strong>");
+ if(led1==0) {
+ strcat(webbuff, "<p><input type=\"radio\" name=\"led1\" value=\"0\" checked> LED 1 off");
+ strcat(webbuff, "<br><input type=\"radio\" name=\"led1\" value=\"1\" > LED 1 on");
+ } else {
+ strcat(webbuff, "<p><input type=\"radio\" name=\"led1\" value=\"0\" > LED 1 off");
+ strcat(webbuff, "<br><input type=\"radio\" name=\"led1\" value=\"1\" checked> LED 1 on");
+ }
+ if(led2==0) {
+ strcat(webbuff, "<p><input type=\"radio\" name=\"led2\" value=\"0\" checked> LED 2 off");
+ strcat(webbuff, "<br><input type=\"radio\" name=\"led2\" value=\"1\" > LED 2 on");
+ } else {
+ strcat(webbuff, "<p><input type=\"radio\" name=\"led2\" value=\"0\" > LED 2 off");
+ strcat(webbuff, "<br><input type=\"radio\" name=\"led2\" value=\"1\" checked> LED 2 on");
+ }
+ if(led3==0) {
+ strcat(webbuff, "<p><input type=\"radio\" name=\"led3\" value=\"0\" checked> LED 3 off");
+ strcat(webbuff, "<br><input type=\"radio\" name=\"led3\" value=\"1\" > LED 3 on");
+ } else {
+ strcat(webbuff, "<p><input type=\"radio\" name=\"led3\" value=\"0\" > LED 3 off");
+ strcat(webbuff, "<br><input type=\"radio\" name=\"led3\" value=\"1\" checked> LED 3 on");
+ }
+
+ strcat(webbuff, "</strong><p><input type=\"submit\" value=\"send\" style=\"background: #3498db;");
+ strcat(webbuff, "background-image:-webkit-linear-gradient(top, #3498db, #2980b9);");
+ strcat(webbuff, "background-image:linear-gradient(to bottom, #3498db, #2980b9);");
+ strcat(webbuff, "-webkit-border-radius:12;border-radius: 12px;font-family: Arial;color:#ffffff;font-size:20px;padding:");
+ strcat(webbuff, "10px 20px 10px 20px; border:solid #103c57 3px;text-decoration: none;");
+ strcat(webbuff, "background: #3cb0fd;");
+ strcat(webbuff, "background-image:-webkit-linear-gradient(top,#3cb0fd,#1a5f8a);");
+ strcat(webbuff, "background-image:linear-gradient(to bottom,#3cb0fd,#1a5f8a);");
+ strcat(webbuff, "text-decoration:none;\"></form></div></span>");
+ strcat(webbuff, "</body></html>");
+// 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 and store all into cmdbuff
+ timeout=200;
+ getcount=7;
+ SendCMD();
+ getreply();
+ SendWEB(); // send web page
+ memset(webbuff, '\0', sizeof(webbuff));
+ sendcheck();
+}
+
+// wait for ESP-WROOM "SEND OK" reply, then close IP to load web page
+void sendcheck()
+{
+ weberror=1;
+ timeout=500;
+ getcount=24;
+ t2.reset();
+ t2.start();
+ while(weberror==1 && t2.read() <5) {
getreply();
- pc.printf(buffer);
- wait(2);
- pc.printf("\n---------- Get IP and MAC ----------\r\n");
- strcpy(str, "AT+CIFSR\r\n");
+ 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();
- timeout=10;
+ getreply();
+ pc.printf(replybuff);
+ sprintf(cmdbuff,"AT+CIPSERVER=1,%d\r\n", port);
+ timeout=500;
+ getcount=10;
+ SendCMD();
getreply();
- pc.printf(buffer);
- wait(2);
+ pc.printf(replybuff);
+ } else {
+ sprintf(cmdbuff, "AT+CIPCLOSE=%s\r\n",channel); // close current connection
+ SendCMD();
+ getreply();
+ pc.printf(replybuff);
}
-
+ t2.reset();
}
-// Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed
-void ESPsetbaudrate()
+// Reads and processes GET and POST web data
+void ReadWebData()
{
- strcpy(str, "AT+CIOBAUD=115200\r\n"); // change the numeric value to the required baudrate
- SendCMD();
+ wait_ms(200);
+ wroom.attach(NULL);
+ counter=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); // read linkID, ipdLen, type from webdata
+ sscanf(webdata,"+IPD,%d,%d:%s", &linkID, &ipdLen, type); // read linkID, ipdLen, type from webdata
+ if( strstr(webdata, "led1=1") != NULL ) {
+ led1=1;
+ }
+ if( strstr(webdata, "led1=0") != NULL ) {
+ led1=0;
+ }
+ if( strstr(webdata, "led2=1") != NULL ) {
+ led2=1;
+ }
+ if( strstr(webdata, "led2=0") != NULL ) {
+ led2=0;
+ }
+ if( strstr(webdata, "led3=1") != NULL ) {
+ led3=1;
+ }
+ if( strstr(webdata, "led3=0") != NULL ) {
+ led3=0;
+ }
+
+ sprintf(channel, "%d",linkID);
+ if (strstr(webdata, "GET") != NULL) {
+ servreq=1;
+ }
+ if (strstr(webdata, "POST") != NULL) {
+ servreq=1;
+ }
+ //webcounter++;
+ //sprintf(webcount, "%d",webcounter);
+ } else {
+ memset(webbuff, '\0', sizeof(webbuff));
+ wroom.attach(&callback);
+ weberror=1;
+ }
}
-
-// +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++
-void ESPconfig()
+// Starts and restarts webserver if errors detected.
+void startserver()
{
+
+ 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';
+ sprintf(webdata,"%s", replybuff);
+ pc.printf(webdata);
+ led2=0;
+ bufflen=200;
+ counter=0;
+ pc.printf("\n\n++++++++++ Ready ++++++++++\r\n\n");
+ wroom.attach(&callback);
+ } else {
+ pc.printf("\n++++++++++ ESP-WROOM-02 error, check power/connections ++++++++++\r\n");
+ while(1) {}
+ }
+ t2.reset();
+ t2.start();
+
+}
+// ESP-WROOM-02 Command data send
+void SendCMD()
+{
+ wroom.printf("%s", cmdbuff);
+}
+// Large WEB buffer data send
+void SendWEB()
+{
+ int i=0;
+ if(wroom.writeable()) {
+ while(webbuff[i]!='\0') {
+ wroom.putc(webbuff[i]);
+ i++;
+ }
+ }
+}
+// Get Command and ESP-WROOM-02 status replies
+void getreply()
+{
+ memset(replybuff, '\0', sizeof(replybuff));
+ t1.reset();
+ t1.start();
+ replycount=0;
+ while(t1.read_ms()< timeout && replycount < getcount) {
+ if(wroom.readable()) {
+ replybuff[replycount] = wroom.getc();
+ replycount++;
+ }
+ }
+ t1.stop();
+}
+
+void WROOMconfig()
+{
+
wait(5);
- strcpy(str,"AT\r\n");
+ strcpy(cmdbuff,"AT\r\n");
SendCMD();
wait(1);
- strcpy(str,"AT\r\n");
+ strcpy(cmdbuff,"AT\r\n");
SendCMD();
wait(1);
- strcpy(str,"AT\r\n");
+
+ strcpy(cmdbuff,"AT\r\n");
SendCMD();
timeout=1;
getreply();
wait(1);
- pc.printf("\f---------- Starting ESP Config ----------\r\n\n");
-
- pc.printf("---------- Reset & get Firmware ----------\r\n");
- strcpy(str,"AT+RST\r\n");
- SendCMD();
- timeout=5;
- getreply();
- pc.printf(buffer);
+ pc.printf("\f---------- Starting ESP-WROOM-02 Config ----------\r\n\n");
- wait(2);
-
- pc.printf("\n---------- Get Version ----------\r\n");
- strcpy(str,"AT+GMR\r\n");
- SendCMD();
- timeout=4;
- getreply();
- pc.printf(buffer);
-
+
wait(3);
// set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station)
pc.printf("\n---------- Setting Mode ----------\r\n");
- strcpy(str, "AT+CWMODE=1\r\n");
+ strcpy(cmdbuff, "AT+CWMODE=1\r\n");
SendCMD();
- timeout=4;
+ timeout=100;
getreply();
- pc.printf(buffer);
+ pc.printf(replybuff);
wait(2);
// set CIPMUX to 0=Single,1=Multi
pc.printf("\n---------- Setting Connection Mode ----------\r\n");
- strcpy(str, "AT+CIPMUX=1\r\n");
+ strcpy(cmdbuff, "AT+CIPMUX=1\r\n");
SendCMD();
- timeout=4;
+ timeout=400;
getreply();
- pc.printf(buffer);
+ pc.printf(replybuff);
wait(2);
pc.printf("\n---------- Listing Access Points ----------\r\n");
- strcpy(str, "AT+CWLAP\r\n");
+ strcpy(cmdbuff, "AT+CWLAP\r\n");
SendCMD();
- timeout=15;
+ timeout=9000;
+ getcount=5000;
getreply();
- pc.printf(buffer);
+ pc.printf(replybuff);
wait(2);
pc.printf("\n---------- Connecting to AP ----------\r\n");
pc.printf("ssid = %s pwd = %s\r\n",ssid,pwd);
- strcpy(str, "AT+CWJAP=\"");
- strcat(str, ssid);
- strcat(str, "\",\"");
- strcat(str, pwd);
- strcat(str, "\"\r\n");
+ strcpy(cmdbuff, "AT+CWJAP=\"");
+ strcat(cmdbuff, ssid);
+ strcat(cmdbuff, "\",\"");
+ strcat(cmdbuff, pwd);
+ strcat(cmdbuff, "\"\r\n");
SendCMD();
- timeout=10;
+ timeout=9000;
+ getcount=5000;
getreply();
- pc.printf(buffer);
+ pc.printf(replybuff);
wait(5);
pc.printf("\n---------- Get IP's ----------\r\n");
- strcpy(str, "AT+CIFSR\r\n");
+ strcpy(cmdbuff, "AT+CIFSR\r\n");
SendCMD();
- timeout=3;
+ timeout=400;
getreply();
- pc.printf(buffer);
+ pc.printf(replybuff);
wait(1);
pc.printf("\n---------- Get Connection Status ----------\r\n");
- strcpy(str, "AT+CIPSTATUS\r\n");
+ strcpy(cmdbuff, "AT+CIPSTATUS\r\n");
SendCMD();
- timeout=5;
+ timeout=500;
getreply();
- pc.printf(buffer);
-
- pc.printf("\n\n\n If you get a valid (non zero) IP, ESP8266 has been set up.\r\n");
- pc.printf(" Run this if you want to reconfig the ESP8266 at any time.\r\n");
- pc.printf(" It saves the SSID and password settings internally\r\n");
+ pc.printf(replybuff);
+ pc.printf("ESP-WROOM saves the SSID and password settings internally\r\n");
wait(10);
-}
-
-void SendCMD()
-{
- esp.printf("%s", str);
-}
-
-void getreply()
-{
- memset(buffer, '\0', sizeof(buffer));
- t.start();
- ended=0;
- counter=0;
- while(!ended) {
- if(esp.readable()) {
- buffer[counter] = esp.getc();
- counter++;
- }
- if(t.read() > timeout) {
- ended = 1;
- t.stop();
- t.reset();
- }
- }
}
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