
Setup and test the ESP8266 Wi Fi SOC from Sparkfun. Sets SSID and PASSWORD and prints status messages. For use on mbed LPC1768. Also reports IP and MAC address. See https://developer.mbed.org/users/4180_1/notebook/using-the-esp8266-with-the-mbed-lpc1768/
Fork of ESP8266-configuaration-baudrate by
main.cpp
- Committer:
- star297
- Date:
- 2015-02-10
- Revision:
- 3:14e33fec26c3
- Parent:
- 2:c5515c7eba46
- Child:
- 4:f40e7eb1ba1e
File content as of revision 3:14e33fec26c3:
#include "mbed.h" Serial pc(USBTX, USBRX); Serial esp(PTE0, PTE1); // tx, rx Timer t; int count,ended,timeout; char buf[1024]; char snd[255]; 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(); 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 *********************** // 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); } } // 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; getreply(); pc.printf(buf); 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"); strcpy(snd, "AT+CWMODE=1\r\n"); SendCMD(); timeout=1; 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); 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("ssid = %s pwd = %s\r\n",ssid,pwd); strcpy(snd, "AT+CWJAP=\""); strcat(snd, ssid); strcat(snd, "\",\""); strcat(snd, pwd); strcat(snd, "\"\r\n"); SendCMD(); timeout=8; getreply(); pc.printf(buf); wait(5); pc.printf("\n---------- Get IP's ----------\r\n"); strcpy(snd, "AT+CIFSR\r\n"); SendCMD(); timeout=2; 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("\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"); } void SendCMD() { esp.printf("%s", snd); } 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(); } } }