Rahul Maran
a
Dependencies: 4DGL-uLCD-SE LSM9DS1_Library_cal SDFileSystem mbed-rtos mbed wave_player
Diff: Wifi.cpp
- Revision:
- 0:2b0c527942db
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Wifi.cpp Wed Nov 02 02:02:03 2016 +0000
@@ -0,0 +1,214 @@
+#include "Wifi.h"
+
+Wifi::Wifi(PinName tx, PinName rx, PinName rst)
+ : esp(tx, rx), reset(rst), led1(LED1), led2(LED2), led3(LED3), led4(LED4) {
+ ssid = "GTother"; // enter WiFi router ssid inside the quotes
+ pwd = "GeorgeP@1927"; // enter WiFi router password inside the quotes
+}
+void dev_recv()
+{
+ led1 = !led1;
+ while(esp.readable()) {
+ pc.putc(esp.getc());
+ }
+}
+
+void pc_recv()
+{
+ led4 = !led4;
+ while(pc.readable()) {
+ esp.putc(pc.getc());
+ }
+}
+void Wifi::ESPsetbaudrate() {
+ strcpy(snd, "AT+CIOBAUD=115200\r\n"); // change the numeric value to the required baudrate
+ SendCMD();
+}
+void Wifi::ESPconfig() {
+ wait(5);
+ pc.printf("\f---------- Starting ESP Config ----------\r\n\n");
+ strcpy(snd,".\r\n.\r\n");
+ SendCMD();
+ wait(1);
+ pc.printf("---------- Reset & get Firmware ----------\r\n");
+ strcpy(snd,"node.restart()\r\n");
+ SendCMD();
+ timeout=5;
+ getreply();
+ pc.printf(buf);
+
+ wait(2);
+
+ pc.printf("\n---------- Get Version ----------\r\n");
+ strcpy(snd,"print(node.info())\r\n");
+ SendCMD();
+ timeout=4;
+ getreply();
+ pc.printf(buf);
+
+ wait(3);
+
+ // set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station)
+ pc.printf("\n---------- Setting Mode ----------\r\n");
+ strcpy(snd, "wifi.setmode(wifi.STATION)\r\n");
+ SendCMD();
+ timeout=4;
+ getreply();
+ pc.printf(buf);
+
+ wait(2);
+
+
+
+ pc.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();
+ pc.printf(buf);
+
+ wait(2);
+
+ pc.printf("\n---------- Connecting to AP ----------\r\n");
+ pc.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();
+ pc.printf(buf);
+
+ wait(5);
+
+ pc.printf("\n---------- Get IP's ----------\r\n");
+ strcpy(snd, "print(wifi.sta.getip())\r\n");
+ SendCMD();
+ timeout=3;
+ getreply();
+ pc.printf(buf);
+
+ wait(1);
+
+ pc.printf("\n---------- Get Connection Status ----------\r\n");
+ strcpy(snd, "print(wifi.sta.status())\r\n");
+ SendCMD();
+ timeout=5;
+ getreply();
+ pc.printf(buf);
+
+ 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");
+ wait(10);
+
+
+ pc.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(\"<h1> Hi James, NodeMcu.</h1>\")\r\n");
+ SendCMD();
+ wait(1);
+
+ strcpy(snd, "conn:send(\"<h2> test</h2>\")\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();
+ pc.printf(buf);
+ pc.printf("\r\nDONE");
+}
+void Wifi::SendCMD() {
+ esp.printf("%s", snd);
+}
+void Wifi::getreply() {
+ memset(buf, '\0', sizeof(buf));
+ t.start();
+ ended=0;
+ count=0;
+ while(!ended) {
+ if(esp.readable()) {
+ buf[count] = esp.getc();
+ count++;
+ }
+ if(t.read() > timeout) {
+ ended = 1;
+ t.stop();
+ t.reset();
+ }
+ }
+}
+
+void Wifi::setupPage() {
+ 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");
+ wait(0.5);
+ reset=1;
+ timeout=2;
+ getreply();
+
+ 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.attach(&pc_recv, Serial::RxIrq);
+ esp.attach(&dev_recv, Serial::RxIrq);
+
+ // continuosly get AP list and IP
+}
+