Setup and test the Adafruit HUZZAH ESP8266 Wi Fi SOC. Sets SSID and PASSWORD and prints status messages. For use on mbed LPC1768. See https://developer.mbed.org/users/ausdong/notebook/using-the-adafruit-huzzah-esp8266-to-add-wi-fi-to-/
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Diff: main.cpp
- Revision:
- 0:5ebf44bd3694
- Child:
- 1:4a9cc6d8c33d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Feb 10 16:28:26 2015 +0000 @@ -0,0 +1,124 @@ +#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] = "NETGEAR21"; // enter router ssid inside the quotes +char pwd [32] = "PANASONIC"; // 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(115200); // 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 *********************** + +} + +// 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); + + 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); + + 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(); + } + } +} + \ No newline at end of file