setup program for esp8266 using the KL25Z mbed.
Fork of ESP8266-configuration-mbed-LPC1768 by
main.cpp@6:6261d6c51f5c, 2016-06-03 (annotated)
- Committer:
- cstevens
- Date:
- Fri Jun 03 09:30:15 2016 +0000
- Revision:
- 6:6261d6c51f5c
- Parent:
- 5:9f46b8cdd469
esp_setup - adapted for KL25z by chris stevens 2016
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
star297 | 0:5ebf44bd3694 | 1 | #include "mbed.h" |
cstevens | 6:6261d6c51f5c | 2 | //https://developer.mbed.org/users/4180_1/notebook/using-the-esp8266-with-the-mbed-lpc1768/ |
cstevens | 6:6261d6c51f5c | 3 | //modified to run on KL25Z using serial port at PTA2,PTA1 (tx,rx) and PTD4 as RST pin |
star297 | 0:5ebf44bd3694 | 4 | Serial pc(USBTX, USBRX); |
cstevens | 6:6261d6c51f5c | 5 | Serial esp(PTA2,PTA1); // tx, rx |
cstevens | 6:6261d6c51f5c | 6 | DigitalOut reset(PTD4); |
star297 | 0:5ebf44bd3694 | 7 | Timer t; |
star297 | 0:5ebf44bd3694 | 8 | |
star297 | 0:5ebf44bd3694 | 9 | int count,ended,timeout; |
star297 | 0:5ebf44bd3694 | 10 | char buf[1024]; |
star297 | 0:5ebf44bd3694 | 11 | char snd[255]; |
star297 | 0:5ebf44bd3694 | 12 | |
cstevens | 6:6261d6c51f5c | 13 | char ssid[32] = "TALKTALK-E88A77"; // enter WiFi router ssid inside the quotes |
cstevens | 6:6261d6c51f5c | 14 | char pwd [32] = "BTJFPYFJ"; // enter WiFi router password inside the quotes |
star297 | 0:5ebf44bd3694 | 15 | |
star297 | 0:5ebf44bd3694 | 16 | void SendCMD(),getreply(),ESPconfig(),ESPsetbaudrate(); |
star297 | 0:5ebf44bd3694 | 17 | |
star297 | 0:5ebf44bd3694 | 18 | |
4180_1 | 4:f40e7eb1ba1e | 19 | int main() |
4180_1 | 4:f40e7eb1ba1e | 20 | { |
4180_1 | 4:f40e7eb1ba1e | 21 | reset=0; //hardware reset for 8266 |
cstevens | 6:6261d6c51f5c | 22 | //pc.baud(115200); // set what you want here depending on your terminal program speed |
4180_1 | 4:f40e7eb1ba1e | 23 | pc.printf("\f\n\r-------------ESP8266 Hardware Reset-------------\n\r"); |
4180_1 | 4:f40e7eb1ba1e | 24 | wait(0.5); |
4180_1 | 4:f40e7eb1ba1e | 25 | reset=1; |
4180_1 | 4:f40e7eb1ba1e | 26 | timeout=2; |
4180_1 | 4:f40e7eb1ba1e | 27 | getreply(); |
4180_1 | 4:f40e7eb1ba1e | 28 | |
4180_1 | 4:f40e7eb1ba1e | 29 | esp.baud(115200); // change this to the new ESP8266 baudrate if it is changed at any time. |
4180_1 | 4:f40e7eb1ba1e | 30 | |
star297 | 0:5ebf44bd3694 | 31 | //ESPsetbaudrate(); //****************** include this routine to set a different ESP8266 baudrate ****************** |
star297 | 0:5ebf44bd3694 | 32 | |
star297 | 0:5ebf44bd3694 | 33 | ESPconfig(); //****************** include Config to set the ESP8266 configuration *********************** |
4180_1 | 4:f40e7eb1ba1e | 34 | |
4180_1 | 4:f40e7eb1ba1e | 35 | |
4180_1 | 4:f40e7eb1ba1e | 36 | |
4180_1 | 4:f40e7eb1ba1e | 37 | // continuosly get AP list and IP |
4180_1 | 4:f40e7eb1ba1e | 38 | while(1) { |
star297 | 3:14e33fec26c3 | 39 | pc.printf("\n---------- Listing Acces Points ----------\r\n"); |
star297 | 3:14e33fec26c3 | 40 | strcpy(snd, "AT+CWLAP\r\n"); |
star297 | 3:14e33fec26c3 | 41 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 42 | timeout=15; |
4180_1 | 4:f40e7eb1ba1e | 43 | getreply(); |
cstevens | 6:6261d6c51f5c | 44 | pc.printf(" buf = ##start %s ..##end\n",buf); |
4180_1 | 4:f40e7eb1ba1e | 45 | wait(2); |
4180_1 | 4:f40e7eb1ba1e | 46 | pc.printf("\n---------- Get IP and MAC ----------\r\n"); |
star297 | 3:14e33fec26c3 | 47 | strcpy(snd, "AT+CIFSR\r\n"); |
star297 | 3:14e33fec26c3 | 48 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 49 | timeout=10; |
4180_1 | 4:f40e7eb1ba1e | 50 | getreply(); |
cstevens | 6:6261d6c51f5c | 51 | pc.printf(" buf = ##start %s ..##end\n",buf); |
4180_1 | 4:f40e7eb1ba1e | 52 | wait(2); |
4180_1 | 4:f40e7eb1ba1e | 53 | } |
4180_1 | 4:f40e7eb1ba1e | 54 | |
star297 | 0:5ebf44bd3694 | 55 | } |
star297 | 0:5ebf44bd3694 | 56 | |
star297 | 0:5ebf44bd3694 | 57 | // Sets new ESP8266 baurate, change the esp.baud(xxxxx) to match your new setting once this has been executed |
star297 | 0:5ebf44bd3694 | 58 | void ESPsetbaudrate() |
star297 | 0:5ebf44bd3694 | 59 | { |
star297 | 0:5ebf44bd3694 | 60 | strcpy(snd, "AT+CIOBAUD=115200\r\n"); // change the numeric value to the required baudrate |
4180_1 | 4:f40e7eb1ba1e | 61 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 62 | } |
star297 | 0:5ebf44bd3694 | 63 | |
star297 | 0:5ebf44bd3694 | 64 | // +++++++++++++++++++++++++++++++++ This is for ESP8266 config only, run this once to set up the ESP8266 +++++++++++++++ |
star297 | 0:5ebf44bd3694 | 65 | void ESPconfig() |
star297 | 0:5ebf44bd3694 | 66 | { |
4180_1 | 4:f40e7eb1ba1e | 67 | wait(5); |
4180_1 | 4:f40e7eb1ba1e | 68 | strcpy(snd,"AT\r\n"); |
4180_1 | 4:f40e7eb1ba1e | 69 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 70 | wait(1); |
4180_1 | 4:f40e7eb1ba1e | 71 | strcpy(snd,"AT\r\n"); |
4180_1 | 4:f40e7eb1ba1e | 72 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 73 | wait(1); |
4180_1 | 4:f40e7eb1ba1e | 74 | strcpy(snd,"AT\r\n"); |
4180_1 | 4:f40e7eb1ba1e | 75 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 76 | timeout=1; |
4180_1 | 4:f40e7eb1ba1e | 77 | getreply(); |
4180_1 | 4:f40e7eb1ba1e | 78 | wait(1); |
4180_1 | 4:f40e7eb1ba1e | 79 | pc.printf("\f---------- Starting ESP Config ----------\r\n\n"); |
star297 | 0:5ebf44bd3694 | 80 | |
star297 | 0:5ebf44bd3694 | 81 | pc.printf("---------- Reset & get Firmware ----------\r\n"); |
star297 | 0:5ebf44bd3694 | 82 | strcpy(snd,"AT+RST\r\n"); |
star297 | 0:5ebf44bd3694 | 83 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 84 | timeout=5; |
star297 | 0:5ebf44bd3694 | 85 | getreply(); |
cstevens | 6:6261d6c51f5c | 86 | pc.printf(" buf = ##start %s ..##end\n",buf); |
4180_1 | 4:f40e7eb1ba1e | 87 | |
4180_1 | 4:f40e7eb1ba1e | 88 | wait(2); |
4180_1 | 4:f40e7eb1ba1e | 89 | |
star297 | 0:5ebf44bd3694 | 90 | pc.printf("\n---------- Get Version ----------\r\n"); |
star297 | 0:5ebf44bd3694 | 91 | strcpy(snd,"AT+GMR\r\n"); |
star297 | 0:5ebf44bd3694 | 92 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 93 | timeout=4; |
star297 | 0:5ebf44bd3694 | 94 | getreply(); |
cstevens | 6:6261d6c51f5c | 95 | pc.printf(" buf = ##start %s ..##end\n",buf); |
4180_1 | 4:f40e7eb1ba1e | 96 | |
4180_1 | 4:f40e7eb1ba1e | 97 | wait(3); |
4180_1 | 4:f40e7eb1ba1e | 98 | |
star297 | 0:5ebf44bd3694 | 99 | // set CWMODE to 1=Station,2=AP,3=BOTH, default mode 1 (Station) |
star297 | 0:5ebf44bd3694 | 100 | pc.printf("\n---------- Setting Mode ----------\r\n"); |
star297 | 0:5ebf44bd3694 | 101 | strcpy(snd, "AT+CWMODE=1\r\n"); |
star297 | 0:5ebf44bd3694 | 102 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 103 | timeout=4; |
star297 | 0:5ebf44bd3694 | 104 | getreply(); |
cstevens | 6:6261d6c51f5c | 105 | pc.printf(" buf = ##start %s ..##end\n",buf); |
4180_1 | 4:f40e7eb1ba1e | 106 | |
4180_1 | 4:f40e7eb1ba1e | 107 | wait(2); |
4180_1 | 4:f40e7eb1ba1e | 108 | |
4180_1 | 4:f40e7eb1ba1e | 109 | // set CIPMUX to 0=Single,1=Multi |
star297 | 2:c5515c7eba46 | 110 | pc.printf("\n---------- Setting Connection Mode ----------\r\n"); |
4180_1 | 4:f40e7eb1ba1e | 111 | strcpy(snd, "AT+CIPMUX=1\r\n"); |
star297 | 2:c5515c7eba46 | 112 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 113 | timeout=4; |
star297 | 2:c5515c7eba46 | 114 | getreply(); |
cstevens | 6:6261d6c51f5c | 115 | pc.printf(" buf = ##start %s ..##end\n",buf); |
4180_1 | 4:f40e7eb1ba1e | 116 | |
4180_1 | 4:f40e7eb1ba1e | 117 | wait(2); |
4180_1 | 4:f40e7eb1ba1e | 118 | |
4180_1 | 4:f40e7eb1ba1e | 119 | pc.printf("\n---------- Listing Access Points ----------\r\n"); |
star297 | 0:5ebf44bd3694 | 120 | strcpy(snd, "AT+CWLAP\r\n"); |
star297 | 0:5ebf44bd3694 | 121 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 122 | timeout=15; |
4180_1 | 4:f40e7eb1ba1e | 123 | getreply(); |
cstevens | 6:6261d6c51f5c | 124 | pc.printf(" buf = ##start %s ..##end\n",buf); |
4180_1 | 4:f40e7eb1ba1e | 125 | |
4180_1 | 4:f40e7eb1ba1e | 126 | wait(2); |
4180_1 | 4:f40e7eb1ba1e | 127 | |
star297 | 0:5ebf44bd3694 | 128 | pc.printf("\n---------- Connecting to AP ----------\r\n"); |
star297 | 0:5ebf44bd3694 | 129 | pc.printf("ssid = %s pwd = %s\r\n",ssid,pwd); |
star297 | 0:5ebf44bd3694 | 130 | strcpy(snd, "AT+CWJAP=\""); |
star297 | 0:5ebf44bd3694 | 131 | strcat(snd, ssid); |
star297 | 0:5ebf44bd3694 | 132 | strcat(snd, "\",\""); |
star297 | 0:5ebf44bd3694 | 133 | strcat(snd, pwd); |
4180_1 | 4:f40e7eb1ba1e | 134 | strcat(snd, "\"\r\n"); |
star297 | 0:5ebf44bd3694 | 135 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 136 | timeout=10; |
4180_1 | 4:f40e7eb1ba1e | 137 | getreply(); |
cstevens | 6:6261d6c51f5c | 138 | pc.printf(" buf = ##start %s ..##end\n",buf); |
4180_1 | 4:f40e7eb1ba1e | 139 | |
star297 | 0:5ebf44bd3694 | 140 | wait(5); |
4180_1 | 4:f40e7eb1ba1e | 141 | |
4180_1 | 4:f40e7eb1ba1e | 142 | pc.printf("\n---------- Get IP's ----------\r\n"); |
star297 | 0:5ebf44bd3694 | 143 | strcpy(snd, "AT+CIFSR\r\n"); |
star297 | 0:5ebf44bd3694 | 144 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 145 | timeout=3; |
4180_1 | 4:f40e7eb1ba1e | 146 | getreply(); |
cstevens | 6:6261d6c51f5c | 147 | pc.printf(" buf = ##start %s ..##end\n",buf); |
4180_1 | 4:f40e7eb1ba1e | 148 | |
star297 | 3:14e33fec26c3 | 149 | wait(1); |
4180_1 | 4:f40e7eb1ba1e | 150 | |
4180_1 | 4:f40e7eb1ba1e | 151 | pc.printf("\n---------- Get Connection Status ----------\r\n"); |
star297 | 3:14e33fec26c3 | 152 | strcpy(snd, "AT+CIPSTATUS\r\n"); |
star297 | 3:14e33fec26c3 | 153 | SendCMD(); |
4180_1 | 4:f40e7eb1ba1e | 154 | timeout=5; |
4180_1 | 4:f40e7eb1ba1e | 155 | getreply(); |
cstevens | 6:6261d6c51f5c | 156 | pc.printf(" buf = ##start %s ..##end\n",buf); |
4180_1 | 4:f40e7eb1ba1e | 157 | |
4180_1 | 4:f40e7eb1ba1e | 158 | pc.printf("\n\n\n If you get a valid (non zero) IP, ESP8266 has been set up.\r\n"); |
star297 | 0:5ebf44bd3694 | 159 | pc.printf(" Run this if you want to reconfig the ESP8266 at any time.\r\n"); |
4180_1 | 5:9f46b8cdd469 | 160 | pc.printf(" It saves the SSID and password settings internally\r\n"); |
4180_1 | 4:f40e7eb1ba1e | 161 | wait(10); |
4180_1 | 4:f40e7eb1ba1e | 162 | } |
star297 | 0:5ebf44bd3694 | 163 | |
star297 | 0:5ebf44bd3694 | 164 | void SendCMD() |
4180_1 | 4:f40e7eb1ba1e | 165 | { |
4180_1 | 4:f40e7eb1ba1e | 166 | esp.printf("%s", snd); |
4180_1 | 4:f40e7eb1ba1e | 167 | } |
star297 | 0:5ebf44bd3694 | 168 | |
star297 | 0:5ebf44bd3694 | 169 | void getreply() |
4180_1 | 4:f40e7eb1ba1e | 170 | { |
cstevens | 6:6261d6c51f5c | 171 | memset(buf, '\0', sizeof(buf)); // this zeros the array |
cstevens | 6:6261d6c51f5c | 172 | t.start(); // start a timer |
cstevens | 6:6261d6c51f5c | 173 | ended=0; |
4180_1 | 4:f40e7eb1ba1e | 174 | count=0; |
star297 | 0:5ebf44bd3694 | 175 | while(!ended) { |
star297 | 0:5ebf44bd3694 | 176 | if(esp.readable()) { |
4180_1 | 4:f40e7eb1ba1e | 177 | buf[count] = esp.getc(); |
4180_1 | 4:f40e7eb1ba1e | 178 | count++; |
4180_1 | 4:f40e7eb1ba1e | 179 | } |
star297 | 0:5ebf44bd3694 | 180 | if(t.read() > timeout) { |
4180_1 | 4:f40e7eb1ba1e | 181 | ended = 1; |
4180_1 | 4:f40e7eb1ba1e | 182 | t.stop(); |
4180_1 | 4:f40e7eb1ba1e | 183 | t.reset(); |
4180_1 | 4:f40e7eb1ba1e | 184 | } |
4180_1 | 4:f40e7eb1ba1e | 185 | } |
4180_1 | 4:f40e7eb1ba1e | 186 | } |