Code: Select all
#include "mbed.h"
#include <stdio.h>
#include <string.h>
Serial serial(USBTX, USBRX);
Serial esp(P4_28, P4_29); // tx, rx
DigitalOut reset(P0_4);
DigitalOut blueLed(P2_3);
DigitalOut greenLed(P2_4);
DigitalOut redLed(P2_5);
DigitalOut vibr(P2_12);
Timer t;
int count,ended,timeout;
char buf[4096];
char snd[255];
char sendStr[11];
char ssid[32] = "esp8266"; // enter WiFi router ssid inside the quotes
char pwd [32] = ""; // enter WiFi router password inside the quotes
void SendCMD();
void getReply();
DigitalOut myled(LED1);
int main() {
//Make sure all feedback mechanisms are turned off
blueLed=0;
greenLed=0;
redLed=0;
vibr=0;
//set buad rates for comms
esp.baud(115200);
serial.baud(115200);
esp.attach(&getReply, Serial::RxIrq); // This needs to be define only once
reset = 1; // This is pin P0_14 in the Egg.
wait(2);// Give the user some to setup the virtual terminal
serial.printf("\n---------- Clear Buffer ----------\r\n"); //Simple way to clear the buffer
strcpy(snd, "AT+GMR\r\n");
timeout=3;
SendCMD();
getReply();
serial.printf(buf);
serial.printf("\n---------- set default mode ----------\r\n"); //
strcpy(snd, "AT+CWMODE_DEF=1\r\n");
timeout=2;
SendCMD();
getReply();
serial.printf(buf); //Prints out response, should be "OK"
serial.printf("\n---------- check mode ----------\r\n"); //
strcpy(snd, "AT+CWMODE?\r\n");
timeout=2;
SendCMD();
getReply();
serial.printf(buf); //Prints out response, should be "OK"
serial.printf("\n---------- Connecting to AP ----------\r\n");
serial.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");
timeout=15;
SendCMD();
getReply();
serial.printf(buf);
//Check to see that the connection has been established
serial.printf("\n---------- Connection Information ----------\r\n");
strcpy(snd, "AT+CIFSR\r\n"); //get local IP address
timeout=5;
SendCMD();
getReply();
serial.printf(buf);
while(1) {
}
}
//This function sends the command string to the ESP8266
void SendCMD()
{
esp.printf("%s", snd);
}
//This function establishes the space for the received string, starts a timer so that if things get stuck, the
//app won't hang.
void 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();
}
}
serial.printf(buf);
}
Code: Select all
#include "mbed.h"
#include <stdio.h>
#include <string.h>
Serial serial(USBTX, USBRX);
Serial esp(P4_28, P4_29); // tx, rx
DigitalOut reset(P0_4);
DigitalOut blueLed(P2_3);
DigitalOut greenLed(P2_4);
DigitalOut redLed(P2_5);
DigitalOut vibr(P2_12);
Timer t;
int count,ended,timeout;
char buf[4096];
char snd[255];
char sendStr[11];
char ssid[32] = ""; // enter WiFi router ssid inside the quotes
char pwd [32] = ""; // enter WiFi router password inside the quotes
void SendCMD();
void getReply();
int main() {
//Make sure all feedback mechanisms are turned off
blueLed=0;
greenLed=0;
redLed=0;
vibr=0;
//set buad rates for comms
esp.baud(115200);
serial.baud(115200);
// Setup a serial interrupt function to capture received data
esp.attach(&getReply, Serial::RxIrq);
//Device doesn't appear to need a reset upon waking up so the device is not reset (i.e. reset = 1);
reset=1;
// Give the user some to setup the virtual terminal
wait(5);
serial.printf("\n---------- Clear Buffer ----------\r\n"); //Simple way to clear the buffer
strcpy(snd, "AT+GMR\r\n"); //View version info
timeout=3;
SendCMD();
getReply();
serial.printf(buf);
serial.printf("\n---------- set default mode ----------\r\n"); //
strcpy(snd, "AT+CWMODE_DEF=3\r\n");
timeout=2;
SendCMD();
getReply();
serial.printf(buf); //Prints out response, should be "OK"
serial.printf("\n---------- check mode ----------\r\n"); //
strcpy(snd, "AT+CWMODE?\r\n");
timeout=2;
SendCMD();
getReply();
serial.printf(buf); //Prints out response, should be "OK"
serial.printf("\n---------- Turn off DHCP for Station----------\r\n"); //
strcpy(snd, "AT+CWDHCP_DEF=1,0\r\n");
timeout=2;
SendCMD();
getReply();
serial.printf(buf); //Prints out response, should be "OK"
serial.printf("\n---------- check DHCP settings----------\r\n"); //
strcpy(snd, "AT+CWDHCP?\r\n");
timeout=2;
SendCMD();
getReply();
serial.printf(buf); //Prints out response, should be "OK"
serial.printf("\n---------- Set static Station IP Address ----------\r\n"); //
strcpy(snd, "AT+CIPSTA_DEF=\"192.168.0.5\",\"192.168.4.1\",\"255.255.255.0\"\r\n");
timeout=5;
SendCMD();
getReply();
serial.printf(buf); //Prints out response, should be "OK"
serial.printf("\n---------- check mode ----------\r\n"); //
strcpy(snd, "AT+CIPSTA_DEF?\r\n");
timeout=2;
SendCMD();
getReply();
serial.printf(buf); //Prints out response, should be "OK"
while(1) {
}
}
//This function sends the command string to the ESP8266
void SendCMD()
{
esp.printf("%s", snd);
}
//This function establishes the space for the received string, starts a timer so that if things get stuck, the
//app won't hang.
void 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();
}
}
serial.printf(buf);
}