siqiang pan
/
ESP8266-configuration-mbed-LPC1768
wifi configuration
Diff: main.cpp
- Revision:
- 4:f40e7eb1ba1e
- Parent:
- 3:14e33fec26c3
- Child:
- 5:9f46b8cdd469
--- a/main.cpp Tue Feb 10 17:14:53 2015 +0000 +++ b/main.cpp Fri Aug 28 01:12:23 2015 +0000 @@ -1,160 +1,185 @@ #include "mbed.h" Serial pc(USBTX, USBRX); -Serial esp(PTE0, PTE1); // tx, rx - +Serial esp(p28, p27); // tx, rx +DigitalOut reset(p26); 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 +char ssid[32] = "ATT864"; // enter WiFi router ssid inside the quotes +char pwd [32] = "2419932397"; // enter WiFi router password inside the quotes void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate(); -int main() { - +int main() +{ + reset=0; //hardware reset for 8266 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. - + pc.printf("\f\n\r-------------ESP8266 Hardware Reset-------------\n\r"); + wait(0.5); + reset=1; + timeout=2; + getreply(); + + 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 *********************** - - - // contiuosly get AP list and IP - while(1){ + + + + // continuosly 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(); + timeout=15; + getreply(); pc.printf(buf); - - pc.printf("\n---------- Get IP's ----------\r\n"); + wait(2); + pc.printf("\n---------- Get IP and MAC ----------\r\n"); strcpy(snd, "AT+CIFSR\r\n"); SendCMD(); - timeout=2; - getreply(); + timeout=10; + getreply(); pc.printf(buf); - } - + wait(2); + } + } // 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(); -} + SendCMD(); +} // +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++ void ESPconfig() { + wait(5); + strcpy(snd,"AT\r\n"); + SendCMD(); + wait(1); + strcpy(snd,"AT\r\n"); + SendCMD(); + wait(1); + strcpy(snd,"AT\r\n"); + SendCMD(); + timeout=1; + getreply(); + wait(1); + pc.printf("\f---------- Starting ESP Config ----------\r\n\n"); - 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; + timeout=5; getreply(); pc.printf(buf); - - wait(1); - + + wait(2); + pc.printf("\n---------- Get Version ----------\r\n"); strcpy(snd,"AT+GMR\r\n"); SendCMD(); - timeout=1; + timeout=4; getreply(); - pc.printf(buf); - - wait(1); - + 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, "AT+CWMODE=1\r\n"); SendCMD(); - timeout=1; + timeout=4; getreply(); pc.printf(buf); - - wait(1); - - // set CIPMUX to 0=Single,1=Multi + + wait(2); + + // set CIPMUX to 0=Single,1=Multi pc.printf("\n---------- Setting Connection Mode ----------\r\n"); - strcpy(snd, "AT+CIPMUX=1\r\n"); + strcpy(snd, "AT+CIPMUX=1\r\n"); SendCMD(); - timeout=1; + timeout=4; getreply(); pc.printf(buf); - - wait(1); - - pc.printf("\n---------- Listing Acces Points ----------\r\n"); + + wait(2); + + pc.printf("\n---------- Listing Access Points ----------\r\n"); strcpy(snd, "AT+CWLAP\r\n"); SendCMD(); - timeout=3; - getreply(); + timeout=15; + getreply(); pc.printf(buf); - - wait(1); - + + wait(2); + 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"); + strcat(snd, "\"\r\n"); SendCMD(); - timeout=8; - getreply(); + timeout=10; + getreply(); pc.printf(buf); - + wait(5); - - pc.printf("\n---------- Get IP's ----------\r\n"); + + pc.printf("\n---------- Get IP's ----------\r\n"); strcpy(snd, "AT+CIFSR\r\n"); SendCMD(); - timeout=2; - getreply(); + timeout=3; + getreply(); pc.printf(buf); - + wait(1); - - pc.printf("\n---------- Get Connection Status ----------\r\n"); + + 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"); + 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); +} void SendCMD() -{ - esp.printf("%s", snd); -} +{ + esp.printf("%s", snd); +} void getreply() -{ +{ memset(buf, '\0', sizeof(buf)); t.start(); - ended=0;count=0; + ended=0; + count=0; while(!ended) { if(esp.readable()) { - buf[count] = esp.getc();count++; - } + buf[count] = esp.getc(); + count++; + } if(t.read() > timeout) { - ended = 1;t.stop();t.reset(); - } - } -} - \ No newline at end of file + ended = 1; + t.stop(); + t.reset(); + } + } +}