Diff: main.cpp

Revision:

4:cd4543cf2f9c

Parent:

3:14e33fec26c3

--- a/main.cpp	Tue Feb 10 17:14:53 2015 +0000
+++ b/main.cpp	Tue Apr 21 08:53:23 2020 +0000
@@ -1,141 +1,181 @@
 #include "mbed.h"
 
 Serial pc(USBTX, USBRX);
-Serial esp(PTE0, PTE1); // tx, rx 
+Serial esp(p13,p14);    // tx,rx LPC1768
+//Serial esp(D8,D2);      // tx,rx Nucleo
 
 Timer t;
 
-int  count,ended,timeout;
-char buf[1024];
+char cmdbuff[1024];
 char snd[255];
+int timeout;
+int Baud;
 
-char ssid[32] = "ssid";     // enter router ssid inside the quotes
-char pwd [32] = "password"; // enter router password inside the quotes
+char ssid[32] = "ssid";         // enter router ssid inside the quotes
+char pwd [32] = "password";     // enter router password inside the quotes
 
-void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate();
+void SendCMD(),getreply(),config(),restore(),getESP();
+void setbaud(int espbaud);
 
 
 int main() {
     
-    pc.baud(115200);  // set what you want here depending on your terminal program speed
-    esp.baud(9600);   // change this to the new ESP8266 baudrate if it is changed at any time.    
-    
-    //ESPsetbaudrate();   //******************  include this routine to set a different ESP8266 baudrate  ******************
-
-    ESPconfig();        //******************  include Config to set the ESP8266 configuration  ***********************
+    pc.baud(115200);
+    esp.baud(115200);   // Default baud is 115200, change this to match setbaud() rate.    
     
-   
-   // contiuosly get AP list and IP
-    while(1){
-        pc.printf("\n---------- Listing Acces Points ----------\r\n");
-        strcpy(snd, "AT+CWLAP\r\n");
-        SendCMD();
-        timeout=3;
-        getreply();   
-        pc.printf(buf);
-
-        pc.printf("\n---------- Get IP's ----------\r\n"); 
-        strcpy(snd, "AT+CIFSR\r\n");
-        SendCMD();
-        timeout=2;
-        getreply(); 
-        pc.printf(buf);
-    }    
-     
-}
+    pc.printf("\033[0m\033[2J\033[H\n  Initialize....\r\n\n\n");
 
-// Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed
-void ESPsetbaudrate()
-{
-    strcpy(snd, "AT+CIOBAUD=115200\r\n");   // change the numeric value to the required baudrate
-    SendCMD();    
-}    
-
-//  +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++
-void ESPconfig()
-{
-
-    pc.printf("---------- Starting ESP Config ----------\r\n\n");
-    wait(2);
-    pc.printf("---------- Reset & get Firmware ----------\r\n");
-    strcpy(snd,"AT+RST\r\n");
-    SendCMD();
-    timeout=2;
+    // restore();       //include to restore ESP8266 to default settings at 115200 baud.    
+    // setbaud(460800); //include to set a different ESP8266 baudrate, saved in ESP8266 flash.   
+    // config();        //include Config to set SSID, PASSWORD and MODE configuration saved in ESP8266 flash.
+           
+    strcpy(snd,"ATE0\r\n");
+    SendCMD();    // set no AT ESP echo  
+    timeout=5000;
     getreply();
-    pc.printf(buf);
+    pc.printf(cmdbuff);
     
-    wait(1);   
-   
-    pc.printf("\n---------- Get Version ----------\r\n");
-    strcpy(snd,"AT+GMR\r\n");
-    SendCMD();
-    timeout=1;
-    getreply();
-    pc.printf(buf);    
-    
-    wait(1);
-        
-    // set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station)
-    pc.printf("\n---------- Setting Mode ----------\r\n");
+    pc.printf("Set Mode to station...\r\n");
     strcpy(snd, "AT+CWMODE=1\r\n");
     SendCMD();
-    timeout=1;
+    timeout=1000;
     getreply();
-    pc.printf(buf);
-    
-    wait(1);
-    
-    // set CIPMUX to 0=Single,1=Multi 
-    pc.printf("\n---------- Setting Connection Mode ----------\r\n");
-    strcpy(snd, "AT+CIPMUX=1\r\n"); 
-    SendCMD();
-    timeout=1;
-    getreply();
-    pc.printf(buf);
+    pc.printf(cmdbuff);
     
-    wait(1);
-    
-    pc.printf("\n---------- Listing Acces Points ----------\r\n");
-    strcpy(snd, "AT+CWLAP\r\n");
-    SendCMD();
-    timeout=3;
-    getreply();   
-    pc.printf(buf);
-    
-    wait(1);    
-    
-    pc.printf("\n---------- Connecting to AP ----------\r\n");
+    pc.printf("Connect to AP settings NOT stored in flash..\r\n");
     pc.printf("ssid = %s   pwd = %s\r\n",ssid,pwd);
-    strcpy(snd, "AT+CWJAP=\"");
+    strcpy(snd, "AT+CWJAP_CUR=\"");
     strcat(snd, ssid);
     strcat(snd, "\",\"");
     strcat(snd, pwd);
     strcat(snd, "\"\r\n");   
     SendCMD();
-    timeout=8;
+    timeout=8000;
     getreply();    
-    pc.printf(buf);
+    pc.printf(cmdbuff);
     
-    wait(5);
+    getESP();     
+}
+
+// contiuosly get ESP82660Firmware, AP list, IP and MAC
+void getESP()
+{
+    while(1){
+         
+        pc.printf("\033[0m\033[2J\033[H ESP8266 check...\r\n\n\n");
+        
+        pc.printf("  Firmware Version...\r\n");
+        strcpy(snd,"AT+GMR\r\n");
+        SendCMD();
+        timeout=5000;
+        getreply();
+        pc.printf(cmdbuff); 
+        
+        pc.printf("\n  AP's...\r\n"); 
+        strcpy(snd, "AT+CWLAP\r\n");
+        SendCMD();
+        timeout=3000;
+        getreply();   
+        pc.printf(cmdbuff);
+
+        pc.printf("  IP and MAC...\r\n"); 
+        strcpy(snd, "AT+CIFSR\r\n");
+        SendCMD();
+        timeout=2000;
+        getreply(); 
+        pc.printf(cmdbuff);                
+        wait_us(5000000);
+    }    
+}
+
+// resturns ESP8266 back to default settings.
+void restore()
+{
+    pc.printf("Restore ESP8266 to default...\r\n");
+    t.reset();t.start();
+    strcpy(snd, "AT+RESTORE\r\n");
+    SendCMD();
+    timeout=5000;
+    getreply();
+    pc.printf(cmdbuff);
+    wait_us(2000000);  
+    esp.baud(115200);   // set baud back to ESP8266 default         
+    strcpy(snd,"ATE0\r\n");
+    SendCMD();    // set no ESP echo  
+    timeout=5000;
+    getreply();  
+    pc.printf("Remember to set esp.baud to default rate 115200\r\n");
+    wait_us(5000000);  
+}
+
+// Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed
+void setbaud(int espbaud)
+{
+    if(espbaud!=115200 && espbaud!=230400 && espbaud!=460800 && espbaud!=921600){
+        return;
+        }
+    pc.printf("setting ESP8266 baud to: %d\r\n",espbaud); 
+    uint32_t    databits=8;
+    uint32_t    stopbits=1;
+    uint32_t    parity=0;
+    uint32_t    flowcontrol=0;
+    //  default mode     8,1,0,0
+    //  <databits>:   <stopbits>:           <parity>:   <flowcontrol>:
+    //  5-bit data    1=1-bit stop bit      0: None     0: flow control disabled
+    //  6-bit data    2=1.5-bit stop bit    1: Odd      1: enable RTS
+    //  7-bit data    3=2-bit stop bit      2: Even     2: enable CTS
+    //  8-bit data                                      3: enable both RTS and CTS   
+        
+    sprintf(snd,"AT+UART_DEF=%d,%d,%d,%d,%d\r\n",espbaud,databits,stopbits,parity,flowcontrol);
+    SendCMD(); 
+    pc.printf("Remember to set esp.baud to new rate: %d\r\n",espbaud); 
+    wait_us(3000000);  
+    esp.baud(espbaud);   // set baud new rate    
+}    
+
+// To configure ESP8266 permanant settings in flash
+void config()
+{
+    pc.printf("\033[0m\033[2J\033[H Starting ESP Config stored in flash\r\n\n\n");
+            
+    // set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station)
+    pc.printf("Set Mode...\r\n");
+    strcpy(snd, "AT+CWMODE_DEF=1\r\n");
+    SendCMD();
+    timeout=1000;
+    getreply();
+    pc.printf(cmdbuff);
     
-    pc.printf("\n---------- Get IP's ----------\r\n"); 
+    pc.printf("Listing Acces Points...\r\n");
+    strcpy(snd, "AT+CWLAP\r\n");
+    SendCMD();
+    timeout=3000;
+    getreply();   
+    pc.printf(cmdbuff); 
+    
+    pc.printf("Connecting to AP...\r\n");
+    pc.printf("ssid = %s   pwd = %s\r\n",ssid,pwd);
+    strcpy(snd, "AT+CWJAP_DEF=\"");
+    strcat(snd, ssid);
+    strcat(snd, "\",\"");
+    strcat(snd, pwd);
+    strcat(snd, "\"\r\n");   
+    SendCMD();
+    timeout=8000;
+    getreply();    
+    pc.printf(cmdbuff);
+        
+    pc.printf("Get IP's...\r\n"); 
     strcpy(snd, "AT+CIFSR\r\n");
     SendCMD();
-    timeout=2;
+    timeout=2000;
     getreply(); 
-    pc.printf(buf);
-    
-    wait(1);
-    
-    pc.printf("\n---------- Get Connection Status ----------\r\n"); 
-    strcpy(snd, "AT+CIPSTATUS\r\n");
-    SendCMD();
-    timeout=2;
-    getreply(); 
-    pc.printf(buf);   
+    pc.printf(cmdbuff);
     
     pc.printf("\n\n\n  If you get a valid IP, ESP8266 has been set up.\r\n");
-    pc.printf("  Run this if you want to reconfig the ESP8266 at any time.\r\n");
+    wait_us(5000000);
+    
+    getESP();
 } 
 
 void SendCMD()
@@ -145,16 +185,16 @@
 
 void getreply()
 {    
-    memset(buf, '\0', sizeof(buf));
-    t.start();
-    ended=0;count=0;
-    while(!ended) {
+    uint32_t i=0;
+    memset(cmdbuff, '\0', sizeof(cmdbuff));
+    t.reset();t.start();
+    while(t.read_ms()< timeout) {
         if(esp.readable()) {
-            buf[count] = esp.getc();count++;
+            cmdbuff[i] = esp.getc();i++;
             }
-        if(t.read() > timeout) {
-                ended = 1;t.stop();t.reset();
-            }
-        }   
+            if (cmdbuff[i-2] == 0x4f && cmdbuff[i-1] == 0x4b){break;}
+        }
+    cmdbuff[i-2]=0x00;    // remove the 'OK' from message
+    t.stop();
 }              
  
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