ESP8266
ESP8266 web sockets
Dependencies: ESP8266Interface WebSocketClient mbed
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ESP8266_Test
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ESP8266
This repository has been superceded
This project has moved to https://developer.mbed.org/teams/ESP8266/code/mbed-os-example-esp8266/
Introduction
This is a basic Hello World program for interfacing the ESP8266 chip with websockets. It will connect and send a message to this web socket server location: 192.168.1.20 : 8888.
You can find the python server code here.
ESP8266_WebSockets_HelloWorld
- Initiliaze ESP8266 with DHCP enabled
- Create a socketed connection with the above server
- It will send this message "n WebSocket Hello World over wifi", where n is the number of times it has sent.
- Websocket server echoes the string sent (backwards)
You can view the debug messages of this program by using a serial terminal set to 115200 baud.
Diff: main.cpp
- Revision:
- 1:f61c1001ee60
- Parent:
- 0:6a891da014a3
- Child:
- 3:5175e53017e4
--- a/main.cpp Wed Dec 24 19:02:13 2014 +0000
+++ b/main.cpp Mon Apr 20 20:27:34 2015 +0000
@@ -38,7 +38,8 @@
// Ethernet initialization
-ESP8266Interface wifi(PA_15,PB_7,PA_14,"demo","ARMDEMO1");
+//ESP8266Interface wifi(PA_15,PB_7,PA_14,"demo","ARMDEMO1"); //hack wire
+ESP8266Interface wifi(D8,D3,D10,"demo","ARMDEMO1"); //LED strip board
static void ethernet_init()
@@ -59,7 +60,7 @@
unsigned int UDP_timeout = 100;
uint8_t macbytes[6] = {0};
-char MAC[20] = "776655443322";
+char MAC[20] = "665544332211";
static void nsp_init()
{
@@ -129,6 +130,7 @@
int main()
{
+ pc.baud(9600); // why do we need to match the ESP8266 serial rate?
pc.printf("SystemCoreClock=: %d\r\n", SystemCoreClock / 1000000) ;
NSDL_DEBUG("Hello mDS Demo Endpoint Application\n");