test
Fork of ESP8266 by
ESP8266.cpp@9:dcf3aa250bc1, 2015-07-26 (annotated)
- Committer:
- sam_grove
- Date:
- Sun Jul 26 21:53:38 2015 +0000
- Revision:
- 9:dcf3aa250bc1
- Parent:
- 8:80048194de79
- Child:
- 12:2c5afb36bc8c
Updates
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
sarahmarshy | 8:80048194de79 | 1 | /* ESP8266 Example |
sarahmarshy | 8:80048194de79 | 2 | * Copyright (c) 2015 ARM Limited |
sarahmarshy | 8:80048194de79 | 3 | * |
sarahmarshy | 8:80048194de79 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
sarahmarshy | 8:80048194de79 | 5 | * you may not use this file except in compliance with the License. |
sarahmarshy | 8:80048194de79 | 6 | * You may obtain a copy of the License at |
sarahmarshy | 8:80048194de79 | 7 | * |
sarahmarshy | 8:80048194de79 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
sarahmarshy | 8:80048194de79 | 9 | * |
sarahmarshy | 8:80048194de79 | 10 | * Unless required by applicable law or agreed to in writing, software |
sarahmarshy | 8:80048194de79 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
sarahmarshy | 8:80048194de79 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
sarahmarshy | 8:80048194de79 | 13 | * See the License for the specific language governing permissions and |
sarahmarshy | 8:80048194de79 | 14 | * limitations under the License. |
sarahmarshy | 8:80048194de79 | 15 | */ |
sam_grove | 9:dcf3aa250bc1 | 16 | |
sarahmarshy | 8:80048194de79 | 17 | #include "ESP8266.h" |
sarahmarshy | 8:80048194de79 | 18 | |
sam_grove | 9:dcf3aa250bc1 | 19 | ESP8266::ESP8266(PinName tx, PinName rx) : serial(tx, rx), atParser(serial) |
sarahmarshy | 8:80048194de79 | 20 | { |
sarahmarshy | 8:80048194de79 | 21 | serial.baud(115200); |
sarahmarshy | 8:80048194de79 | 22 | } |
sarahmarshy | 8:80048194de79 | 23 | |
sarahmarshy | 8:80048194de79 | 24 | bool ESP8266::startup(void) |
sarahmarshy | 8:80048194de79 | 25 | { |
sarahmarshy | 8:80048194de79 | 26 | return (atParser.send("AT") && atParser.recv("OK")); |
sarahmarshy | 8:80048194de79 | 27 | } |
sam_grove | 9:dcf3aa250bc1 | 28 | |
sarahmarshy | 8:80048194de79 | 29 | bool ESP8266::reset(void) |
sarahmarshy | 8:80048194de79 | 30 | { |
sarahmarshy | 8:80048194de79 | 31 | return (atParser.send("AT+RST") && atParser.recv("OK\r\nready")); |
sarahmarshy | 8:80048194de79 | 32 | } |
sam_grove | 9:dcf3aa250bc1 | 33 | |
sarahmarshy | 8:80048194de79 | 34 | bool ESP8266::wifiMode(int mode) |
sarahmarshy | 8:80048194de79 | 35 | { |
sarahmarshy | 8:80048194de79 | 36 | //only 3 valid modes |
sam_grove | 9:dcf3aa250bc1 | 37 | if(mode < 1 || mode > 3) { |
sarahmarshy | 8:80048194de79 | 38 | return false; |
sam_grove | 9:dcf3aa250bc1 | 39 | } |
sam_grove | 9:dcf3aa250bc1 | 40 | |
sarahmarshy | 8:80048194de79 | 41 | char modestr[1]; |
sarahmarshy | 8:80048194de79 | 42 | sprintf(modestr,"%d",mode); |
sarahmarshy | 8:80048194de79 | 43 | string mode_command = "AT+CWMODE="+string(modestr); |
sam_grove | 9:dcf3aa250bc1 | 44 | return (atParser.send(mode_command.c_str()) && atParser.recv("OK")); |
sarahmarshy | 8:80048194de79 | 45 | } |
sam_grove | 9:dcf3aa250bc1 | 46 | |
sarahmarshy | 8:80048194de79 | 47 | bool ESP8266::multipleConnections(bool enabled) |
sarahmarshy | 8:80048194de79 | 48 | { |
sarahmarshy | 8:80048194de79 | 49 | int on = (int)enabled; |
sarahmarshy | 8:80048194de79 | 50 | char enable[1]; |
sarahmarshy | 8:80048194de79 | 51 | sprintf(enable,"%d",on); |
sarahmarshy | 8:80048194de79 | 52 | string mux_command = "AT+CIPMUX="+string(enable); |
sam_grove | 9:dcf3aa250bc1 | 53 | return (atParser.send(mux_command.c_str()) && atParser.recv("OK")); |
sarahmarshy | 8:80048194de79 | 54 | } |
sam_grove | 9:dcf3aa250bc1 | 55 | |
sarahmarshy | 8:80048194de79 | 56 | bool ESP8266::dhcp(int mode, bool enabled) |
sarahmarshy | 8:80048194de79 | 57 | { |
sarahmarshy | 8:80048194de79 | 58 | //only 3 valid modes |
sam_grove | 9:dcf3aa250bc1 | 59 | if(mode < 0 || mode > 2) { |
sarahmarshy | 8:80048194de79 | 60 | return false; |
sam_grove | 9:dcf3aa250bc1 | 61 | } |
sarahmarshy | 8:80048194de79 | 62 | int on = (int)enabled; |
sarahmarshy | 8:80048194de79 | 63 | char enable[1]; |
sarahmarshy | 8:80048194de79 | 64 | sprintf(enable,"%d",on); |
sarahmarshy | 8:80048194de79 | 65 | char modestr[1]; |
sarahmarshy | 8:80048194de79 | 66 | sprintf(modestr,"%d",mode); |
sarahmarshy | 8:80048194de79 | 67 | string mode_command = "AT+CWDHCP="+string(modestr)+","+string(enable); |
sarahmarshy | 8:80048194de79 | 68 | return (atParser.send(mode_command.c_str()) && atParser.recv("OK")); |
sarahmarshy | 8:80048194de79 | 69 | } |
sarahmarshy | 8:80048194de79 | 70 | |
sarahmarshy | 8:80048194de79 | 71 | bool ESP8266::connect(const char *ap, const char *passPhrase) |
sarahmarshy | 8:80048194de79 | 72 | { |
sarahmarshy | 8:80048194de79 | 73 | string connect_command = "AT+CWJAP=\""+(string)ap+"\",\""+(string)passPhrase+"\""; |
sam_grove | 9:dcf3aa250bc1 | 74 | return (atParser.send(connect_command.c_str()) && atParser.recv("OK")); |
sarahmarshy | 8:80048194de79 | 75 | } |
sarahmarshy | 8:80048194de79 | 76 | |
sarahmarshy | 8:80048194de79 | 77 | bool ESP8266::disconnect(void) |
sarahmarshy | 8:80048194de79 | 78 | { |
sarahmarshy | 8:80048194de79 | 79 | return (atParser.send("AT+CWQAP") && atParser.recv("OK")); |
sarahmarshy | 8:80048194de79 | 80 | } |
sarahmarshy | 8:80048194de79 | 81 | |
sarahmarshy | 8:80048194de79 | 82 | bool ESP8266::getIPAddress(char* ip) |
sarahmarshy | 8:80048194de79 | 83 | { |
sarahmarshy | 8:80048194de79 | 84 | return (atParser.send("AT+CIPSTA?") && atParser.recv("+CIPSTA:\"%[^\"]\"", ip)); |
sarahmarshy | 8:80048194de79 | 85 | } |
sam_grove | 9:dcf3aa250bc1 | 86 | |
sam_grove | 9:dcf3aa250bc1 | 87 | bool ESP8266::isConnected(void) |
sarahmarshy | 8:80048194de79 | 88 | { |
sam_grove | 9:dcf3aa250bc1 | 89 | char* ip = ""; |
sarahmarshy | 8:80048194de79 | 90 | return getIPAddress(ip); |
sarahmarshy | 8:80048194de79 | 91 | } |
sam_grove | 9:dcf3aa250bc1 | 92 | |
sam_grove | 9:dcf3aa250bc1 | 93 | bool ESP8266::openSocket(string sockType, int id, int port, const char* addr) |
sarahmarshy | 8:80048194de79 | 94 | { |
sarahmarshy | 8:80048194de79 | 95 | //IDs only 0-4 |
sam_grove | 9:dcf3aa250bc1 | 96 | if(id > 4) { |
sarahmarshy | 8:80048194de79 | 97 | return false; |
sam_grove | 9:dcf3aa250bc1 | 98 | } |
sarahmarshy | 8:80048194de79 | 99 | char portstr[5]; |
sarahmarshy | 8:80048194de79 | 100 | char idstr[2]; |
sarahmarshy | 8:80048194de79 | 101 | sprintf(idstr,"%d",id); |
sarahmarshy | 8:80048194de79 | 102 | sprintf(portstr, "%d", port); |
sarahmarshy | 8:80048194de79 | 103 | |
sarahmarshy | 8:80048194de79 | 104 | string start_command = "AT+CIPSTART="+(string)idstr+",\""+sockType+"\",\""+(string)addr+"\","+(string)portstr; |
sam_grove | 9:dcf3aa250bc1 | 105 | if (!(atParser.send(start_command.c_str()) && atParser.recv("OK"))) { |
sarahmarshy | 8:80048194de79 | 106 | return false;//opening socket not succesful |
sarahmarshy | 8:80048194de79 | 107 | } |
sarahmarshy | 8:80048194de79 | 108 | return true; |
sarahmarshy | 8:80048194de79 | 109 | } |
sarahmarshy | 8:80048194de79 | 110 | |
sarahmarshy | 8:80048194de79 | 111 | bool ESP8266::sendData(int id, const void *data, uint32_t amount) |
sarahmarshy | 8:80048194de79 | 112 | { |
sarahmarshy | 8:80048194de79 | 113 | char idstr[2]; |
sarahmarshy | 8:80048194de79 | 114 | sprintf(idstr,"%d",id); |
sarahmarshy | 8:80048194de79 | 115 | char lenstr[5]; |
sarahmarshy | 8:80048194de79 | 116 | sprintf(lenstr,"%d",(int)amount); |
sam_grove | 9:dcf3aa250bc1 | 117 | |
sarahmarshy | 8:80048194de79 | 118 | string send_command = "AT+CIPSEND="+(string)idstr+","+(string)lenstr; |
sam_grove | 9:dcf3aa250bc1 | 119 | if(!atParser.send(send_command.c_str(), "SEND OK")) { |
sarahmarshy | 8:80048194de79 | 120 | return false; |
sam_grove | 9:dcf3aa250bc1 | 121 | } |
sarahmarshy | 8:80048194de79 | 122 | atParser.write((char*)data, (int)amount); |
sarahmarshy | 8:80048194de79 | 123 | return true; |
sarahmarshy | 8:80048194de79 | 124 | } |
sarahmarshy | 8:80048194de79 | 125 | |
sarahmarshy | 8:80048194de79 | 126 | uint32_t ESP8266::recv(void *data, uint32_t amount) |
sarahmarshy | 8:80048194de79 | 127 | { |
sarahmarshy | 8:80048194de79 | 128 | int length; |
sarahmarshy | 8:80048194de79 | 129 | int id; |
sam_grove | 9:dcf3aa250bc1 | 130 | if (!(atParser.recv("+IPD,%d,%d:", &id, &length) && atParser.read((char*)data, length) && atParser.recv("OK"))) { |
sarahmarshy | 8:80048194de79 | 131 | return 0; |
sarahmarshy | 8:80048194de79 | 132 | } |
sam_grove | 9:dcf3aa250bc1 | 133 | return length; |
sarahmarshy | 8:80048194de79 | 134 | } |
sam_grove | 9:dcf3aa250bc1 | 135 | |
sam_grove | 9:dcf3aa250bc1 | 136 | bool ESP8266::close(int id) |
sarahmarshy | 8:80048194de79 | 137 | { |
sarahmarshy | 8:80048194de79 | 138 | //IDs only 0-4 |
sam_grove | 9:dcf3aa250bc1 | 139 | if(id > 4) { |
sarahmarshy | 8:80048194de79 | 140 | return false; |
sam_grove | 9:dcf3aa250bc1 | 141 | } |
sarahmarshy | 8:80048194de79 | 142 | char idstr[2]; |
sarahmarshy | 8:80048194de79 | 143 | sprintf(idstr,"%d",id); |
sam_grove | 9:dcf3aa250bc1 | 144 | string close_command = "AT+CIPCLOSE="+(string)idstr; |
sam_grove | 9:dcf3aa250bc1 | 145 | |
sarahmarshy | 8:80048194de79 | 146 | return (atParser.send(close_command.c_str()) && atParser.recv("OK")); |
sarahmarshy | 8:80048194de79 | 147 | } |
sam_grove | 9:dcf3aa250bc1 | 148 | |
sarahmarshy | 8:80048194de79 | 149 | void ESP8266::setTimeout(uint32_t timeout_ms) |
sarahmarshy | 8:80048194de79 | 150 | { |
sarahmarshy | 8:80048194de79 | 151 | atParser.setTimeout(timeout_ms); |
sam_grove | 9:dcf3aa250bc1 | 152 | } |