Diff: Huzzah.cpp

Revision:

0:ee4d2deea4be

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Huzzah.cpp	Sun Apr 24 18:20:01 2016 +0000
@@ -0,0 +1,326 @@
+/*===================================================================
+--------------------- Huzzah.cpp ----------------------
+*Description
+
+Written for:
+    Georgia Institute of Technology
+    ECE 4180, Final Project
+    Dr. James Hamblen
+    
+Authors:
+    Garren Boggs
+    David Cox
+    Anthony Jones
+    Parth Patel
+===================================================================*/
+
+#include "mbed.h"
+#include "Huzzah.h"
+
+char buf[2024];
+char snd[1024];
+ 
+char ssid[32];
+char pwd [32]; 
+int  count,ended,timeout;
+//Timer t;
+
+Huzzah :: Huzzah(PinName tx, PinName rx, PinName rst, RawSerial dev, int baudrate) : 
+    _cmd(tx, rx), _rst(rst),
+#if DEBUGMODE
+    _dev(USBTX, USBRX)
+#else
+    _dev(dev)
+#endif
+{
+    _cmd.baud(baudrate);
+    _dev.baud(baudrate);    
+    _cmd.attach(this, &Huzzah::send, Serial::RxIrq);
+    _dev.attach(this, &Huzzah::recv, Serial::RxIrq);
+#if DEBUGMODE
+    _dev.printf("Initializing the Huzzah ESP8622...\n\r");
+#endif
+    reset();
+    ESPSetBaudrate(baudrate);
+    timeout=2;
+    getReply();
+}
+
+// Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed
+void Huzzah :: ESPSetBaudrate(int speed)
+{
+    memset(buf, '\0', sizeof(buf));
+    sprintf(buf, "AT+CIOBAUD=%d\r\n", speed);
+    strcpy(snd, buf);
+    SendCMD();
+    _dev.printf("\f\n\r-------------ESP8266 Baudrate Set-------------\n\r");
+    _dev.printf("ESP Baudrate set to %d\n\r",speed);
+}
+
+/**
+*
+*/ 
+void Huzzah :: configure(char* SSID, char* PASSWORD)
+{
+    ESPConfig(SSID,PASSWORD);
+}
+
+//  +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++
+void Huzzah :: ESPConfig(char* SSID, char* PASSWORD)
+{
+    //Resets the device to clear current configuration
+    reset();
+    
+    //Clear the current SSID and password of connection
+    memset(&ssid[0], '\0', sizeof(ssid));
+    memset(&pwd[0], '\0', sizeof(pwd));
+    
+    //Set the SSID and password of connection
+    strcpy(ssid, SSID);
+    strcpy(pwd, PASSWORD);
+    
+    
+    
+    wait(5);
+    _dev.printf("\f---------- Starting ESP Configuration ----------\r\n\n");
+        strcpy(snd,".\r\n.\r\n");
+    SendCMD();
+    
+    wait(1);
+    _dev.printf("---------- Reset & get Firmware ----------\r\n");
+    strcpy(snd,"node.restart()\r\n");
+    SendCMD();
+    timeout=5;
+    getReply();
+    _dev.printf(buf);
+ 
+    wait(2);
+    _dev.printf("\n---------- Get Version ----------\r\n");
+    strcpy(snd,"print(node.info())\r\n");
+    SendCMD();
+    timeout=4;
+    getReply();
+    _dev.printf(buf);
+ 
+    wait(3);
+    // Set CWMODE to 1=Station, 2=AP, 3=BOTH, Default mode=1 (Station)
+    _dev.printf("\n---------- Setting Mode ----------\r\n");
+    strcpy(snd, "wifi.setmode(wifi.STATION)\r\n");
+    SendCMD();
+    timeout=4;
+    getReply();
+    _dev.printf(buf);
+ 
+    wait(2);
+    _dev.printf("\n---------- Listing Access Points ----------\r\n");
+    strcpy(snd, "function listap(t)\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "for k,v in pairs(t) do\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "print(k..\" : \"..v)\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "end\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "end\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "wifi.sta.getap(listap)\r\n");
+        SendCMD();
+    
+    wait(1);
+    timeout=15;
+    getReply();
+    _dev.printf(buf);
+ 
+    wait(2);
+    _dev.printf("\n---------- Connecting to AP ----------\r\n");
+    _dev.printf("ssid = %s   pwd = %s\r\n",ssid,pwd);
+    strcpy(snd, "wifi.sta.config(\"");
+    strcat(snd, ssid);
+    strcat(snd, "\",\"");
+    strcat(snd, pwd);
+    strcat(snd, "\")\r\n");
+    SendCMD();
+    timeout=10;
+    getReply();
+    _dev.printf(buf);
+ 
+    wait(5);
+    _dev.printf("\n---------- Get IP's ----------\r\n");
+    strcpy(snd, "print(wifi.sta.getip())\r\n");
+    SendCMD();
+    timeout=3;
+    getReply();
+    _dev.printf(buf);
+ 
+    wait(1);
+    _dev.printf("\n---------- Get Connection Status ----------\r\n");
+    strcpy(snd, "print(wifi.sta.status())\r\n");
+    SendCMD();
+    timeout=5;
+    getReply();
+    _dev.printf(buf);
+    _dev.printf("\n\n\n  If you get a valid (non zero) IP, ESP8266 has been set up.\r\n");
+    _dev.printf("  Run this if you want to reconfig the ESP8266 at any time.\r\n");
+    _dev.printf("  It saves the SSID and password settings internally\r\n");
+    
+    wait(10);   
+    _dev.printf("\n---------- Setting up http server ----------\r\n");
+    strcpy(snd, "srv=net.createServer(net.TCP)\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "srv:listen(80,function(conn)\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "conn:on(\"receive\",function(conn,payload)\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "print(payload)\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "conn:send(\"<!DOCTYPE html>\")\r\n");
+        SendCMD();
+        wait(1); 
+        strcpy(snd, "conn:send(\"<html>\")\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "conn:send(\"</html>\")\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "end)\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "conn:on(\"sent\",function(conn) conn:close() end)\r\n");
+        SendCMD();
+        wait(1);
+        strcpy(snd, "end)\r\n");
+        SendCMD();
+        
+    wait(1);
+    timeout=17;
+    getReply();
+    _dev.printf(buf);
+    _dev.printf("\r\nDONE");
+}
+
+/**
+*
+*/ 
+void Huzzah :: SendCMD()
+{
+    _cmd.printf("%s", snd);
+}
+
+/**
+*
+*/
+void Huzzah :: getReply()
+{
+    memset(buf, '\0', sizeof(buf));
+    t.start();
+    ended = 0;
+    count = 0;
+    while(!ended) {
+        if(_cmd.readable()) {
+            buf[count] = _cmd.getc();
+            count++;
+        }
+        if(t.read() > timeout) {
+            ended = 1;
+            t.stop();
+            t.reset();
+        }
+    }
+}
+
+/**
+*
+*
+*/
+void Huzzah :: setLocalSerial(RawSerial cmd, int baud)
+{
+    _cmd = cmd;
+    _cmd.baud(baud);
+}
+
+/**
+*
+*
+*/
+void Huzzah :: setSerialDev(RawSerial dev, int baud)
+{
+    _dev = dev;
+    _dev.baud(baud);
+}
+
+/**
+*
+*
+*/
+RawSerial Huzzah :: getLocalSerial()
+{
+    return _cmd;
+}
+
+/**
+*
+*
+*/
+RawSerial Huzzah :: getSerialDev()
+{
+    return _dev;
+}
+
+
+/**
+*
+*
+*/
+void Huzzah :: reset()
+{
+
+    _rst = 0;
+    wait(0.5);
+    _rst = 1;
+    _dev.printf("\f\n\r-------------ESP8266 Hardware Reset-------------\n\r");
+}
+
+/**
+*
+*
+*/
+void Huzzah :: baudrate(int speed)
+{
+    _cmd.baud(speed);
+    ESPSetBaudrate(speed);
+}
+
+/**
+*
+*
+*/
+void Huzzah :: recv()
+{
+    while(_dev.readable()) {
+        _cmd.putc(_dev.getc());
+    } 
+}
+
+
+/**
+*
+*
+*/
+void Huzzah :: send()
+{
+    while(_cmd.readable()) {
+        _dev.putc(_cmd.getc());
+    } 
+}
+
+
+