Digital dog / Mbed 2 deprecated Server-ESP8266

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Dependencies:   mbed

ESP8266.cpp@2:6738db3eb2ed, 2017-12-09 (annotated)

Committer:
chanagan2540
Date:
Sat Dec 09 22:20:18 2017 +0000
Revision:
2:6738db3eb2ed
Parent:
1:c0fbff97b740
Child:
3:e1042768703b
esp8266

Who changed what in which revision?

UserRevisionLine numberNew contents of line
chanagan2540 1:c0fbff97b740 1 #include "ESP8266.h"
chanagan2540 1:c0fbff97b740 2
chanagan2540 1:c0fbff97b740 3 // Constructor
chanagan2540 1:c0fbff97b740 4 ESP8266::ESP8266(PinName tx, PinName rx, int br) : comm(tx, rx) {
chanagan2540 1:c0fbff97b740 5 comm.baud(br);
chanagan2540 1:c0fbff97b740 6 }
chanagan2540 1:c0fbff97b740 7
chanagan2540 1:c0fbff97b740 8 // Destructor
chanagan2540 1:c0fbff97b740 9 ESP8266::~ESP8266() { }
chanagan2540 1:c0fbff97b740 10
chanagan2540 1:c0fbff97b740 11 void ESP8266::AddEOL(char * s) {
chanagan2540 1:c0fbff97b740 12 char k;
chanagan2540 1:c0fbff97b740 13 k = strlen(s); // Finds position of NULL character
chanagan2540 1:c0fbff97b740 14 s[k] = 0x0D; // switch NULL for <CR>
chanagan2540 1:c0fbff97b740 15 s[k + 1] = 0x0A; // Add <LF>
chanagan2540 1:c0fbff97b740 16 s[k + 2] = 0; // Add NULL at the end
chanagan2540 1:c0fbff97b740 17 }
chanagan2540 1:c0fbff97b740 18
chanagan2540 1:c0fbff97b740 19 void ESP8266::AddChar(char * s, char c) {
chanagan2540 1:c0fbff97b740 20 char k;
chanagan2540 1:c0fbff97b740 21 k = strlen(s);
chanagan2540 1:c0fbff97b740 22 s[k] = c;
chanagan2540 1:c0fbff97b740 23 s[k + 1] = 0;
chanagan2540 1:c0fbff97b740 24 }
chanagan2540 1:c0fbff97b740 25
chanagan2540 2:6738db3eb2ed 26 void ESP8266::itoa(int n, char * s) {
chanagan2540 2:6738db3eb2ed 27 char k = 0;
chanagan2540 2:6738db3eb2ed 28 char r[11];
chanagan2540 2:6738db3eb2ed 29
chanagan2540 2:6738db3eb2ed 30 if(n == 0) {
chanagan2540 2:6738db3eb2ed 31 s[0] = '0';
chanagan2540 2:6738db3eb2ed 32 s[1] = 0;
chanagan2540 2:6738db3eb2ed 33 } else {
chanagan2540 2:6738db3eb2ed 34 while(n != 0) {
chanagan2540 2:6738db3eb2ed 35 r[k]= (n % 10) + '0';
chanagan2540 2:6738db3eb2ed 36 n = n / 10;
chanagan2540 2:6738db3eb2ed 37 k++;
chanagan2540 2:6738db3eb2ed 38 }
chanagan2540 2:6738db3eb2ed 39 while(k > 0) {
chanagan2540 2:6738db3eb2ed 40 s[n] = r[k - 1] + '0';
chanagan2540 2:6738db3eb2ed 41 n++;
chanagan2540 2:6738db3eb2ed 42 k--;
chanagan2540 2:6738db3eb2ed 43 }
chanagan2540 2:6738db3eb2ed 44 s[n] = 0;
chanagan2540 2:6738db3eb2ed 45 }
chanagan2540 2:6738db3eb2ed 46 }
chanagan2540 2:6738db3eb2ed 47
chanagan2540 1:c0fbff97b740 48 void ESP8266::SendCMD(char * s) {
chanagan2540 1:c0fbff97b740 49 AddEOL(s);
chanagan2540 1:c0fbff97b740 50 comm.printf("%s", s);
chanagan2540 1:c0fbff97b740 51 }
chanagan2540 1:c0fbff97b740 52
chanagan2540 1:c0fbff97b740 53 void ESP8266::Reset(void) {
chanagan2540 1:c0fbff97b740 54 char rs[10];
chanagan2540 1:c0fbff97b740 55 strcpy(rs, "AT+RST");
chanagan2540 1:c0fbff97b740 56 SendCMD(rs);
chanagan2540 1:c0fbff97b740 57 }
chanagan2540 1:c0fbff97b740 58
chanagan2540 1:c0fbff97b740 59 void ESP8266::RcvReply(char * r, int to) {
chanagan2540 1:c0fbff97b740 60 Timer t;
chanagan2540 1:c0fbff97b740 61 bool ended = 0;
chanagan2540 1:c0fbff97b740 62 char c;
chanagan2540 1:c0fbff97b740 63
chanagan2540 1:c0fbff97b740 64 strcpy(r, "");
chanagan2540 1:c0fbff97b740 65 t.start();
chanagan2540 1:c0fbff97b740 66 while(!ended) {
chanagan2540 1:c0fbff97b740 67 if(comm.readable()) {
chanagan2540 1:c0fbff97b740 68 c = comm.getc();
chanagan2540 1:c0fbff97b740 69 AddChar(r, c);
chanagan2540 1:c0fbff97b740 70 t.start();
chanagan2540 1:c0fbff97b740 71 }
chanagan2540 1:c0fbff97b740 72 if(t.read_ms() > to) {
chanagan2540 1:c0fbff97b740 73 ended = 1;
chanagan2540 1:c0fbff97b740 74 }
chanagan2540 1:c0fbff97b740 75 }
chanagan2540 1:c0fbff97b740 76 AddChar(r, 0x00);
chanagan2540 1:c0fbff97b740 77 }
chanagan2540 1:c0fbff97b740 78
chanagan2540 1:c0fbff97b740 79 void ESP8266::SetMode(char mode) {
chanagan2540 1:c0fbff97b740 80 char cmd[15];
chanagan2540 1:c0fbff97b740 81 strcpy(cmd, "AT+CWMODE=");
chanagan2540 1:c0fbff97b740 82 mode = mode + 0x30; // Converts number into corresponding ASCII character
chanagan2540 1:c0fbff97b740 83 AddChar(cmd, mode); // Completes command string
chanagan2540 1:c0fbff97b740 84 SendCMD(cmd);
chanagan2540 1:c0fbff97b740 85 }
chanagan2540 1:c0fbff97b740 86
chanagan2540 1:c0fbff97b740 87 void ESP8266::GetList(char * l) {
chanagan2540 1:c0fbff97b740 88 char rs[15];
chanagan2540 1:c0fbff97b740 89 strcpy(rs, "AT+CWLAP");
chanagan2540 1:c0fbff97b740 90 SendCMD(rs);
chanagan2540 1:c0fbff97b740 91 RcvReply(l, 5000); // Needs big timeout because it takes long to start replying
chanagan2540 1:c0fbff97b740 92 }
chanagan2540 1:c0fbff97b740 93
chanagan2540 1:c0fbff97b740 94 void ESP8266::Join(char * id, char * pwd) {
chanagan2540 1:c0fbff97b740 95 char cmd[255];
chanagan2540 1:c0fbff97b740 96 strcpy(cmd, "AT+CWJAP=");
chanagan2540 1:c0fbff97b740 97 AddChar(cmd, 0x22);
chanagan2540 1:c0fbff97b740 98 strcat(cmd, id);
chanagan2540 1:c0fbff97b740 99 AddChar(cmd, 0x22);
chanagan2540 1:c0fbff97b740 100 AddChar(cmd, 0x2C);
chanagan2540 1:c0fbff97b740 101 AddChar(cmd, 0x22);
chanagan2540 1:c0fbff97b740 102 strcat(cmd, pwd);
chanagan2540 1:c0fbff97b740 103 AddChar(cmd, 0x22);
chanagan2540 1:c0fbff97b740 104 SendCMD(cmd);
chanagan2540 1:c0fbff97b740 105 }
chanagan2540 1:c0fbff97b740 106
chanagan2540 2:6738db3eb2ed 107 void ESP8266::Check(char * con) {
chanagan2540 2:6738db3eb2ed 108 char cmd[15];
chanagan2540 2:6738db3eb2ed 109 strcpy(cmd, "AT+CWJAP?");
chanagan2540 2:6738db3eb2ed 110 SendCMD(cmd);
chanagan2540 2:6738db3eb2ed 111 RcvReply(con, 2000);
chanagan2540 2:6738db3eb2ed 112 }
chanagan2540 2:6738db3eb2ed 113
chanagan2540 1:c0fbff97b740 114 void ESP8266::GetIP(char * ip) {
chanagan2540 1:c0fbff97b740 115 char cmd[15];
chanagan2540 1:c0fbff97b740 116 strcpy(cmd, "AT+CIFSR");
chanagan2540 1:c0fbff97b740 117 SendCMD(cmd);
chanagan2540 1:c0fbff97b740 118 RcvReply(ip, 2000);
chanagan2540 1:c0fbff97b740 119 }
chanagan2540 2:6738db3eb2ed 120
chanagan2540 2:6738db3eb2ed 121 void ESP8266::SetMultiple(void) {
chanagan2540 2:6738db3eb2ed 122 char rs[15];
chanagan2540 2:6738db3eb2ed 123 strcpy(rs, "AT+CIPMUX=1");
chanagan2540 2:6738db3eb2ed 124 SendCMD(rs);
chanagan2540 2:6738db3eb2ed 125 }
chanagan2540 2:6738db3eb2ed 126
chanagan2540 2:6738db3eb2ed 127 void ESP8266::StartServerMode(int port) {
chanagan2540 2:6738db3eb2ed 128 char rs[25];
chanagan2540 2:6738db3eb2ed 129 char t[4];
chanagan2540 2:6738db3eb2ed 130 strcpy(rs, "AT+CIPSERVER=1,");
chanagan2540 2:6738db3eb2ed 131 itoa(port, t);
chanagan2540 2:6738db3eb2ed 132 strcat(rs, t);
chanagan2540 2:6738db3eb2ed 133 SendCMD(rs);
chanagan2540 2:6738db3eb2ed 134 }