ESP8266 driver from ARM
Dependents: 8-0_OneNet_IoT_demo STM32F103C8T6_OneNet_IoT
ESP8266.cpp@0:dfb22bd0e039, 2017-03-29 (annotated)
- Committer:
- TaylorGy
- Date:
- Wed Mar 29 03:09:15 2017 +0000
- Revision:
- 0:dfb22bd0e039
ESP8266 driver from ARM
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
TaylorGy | 0:dfb22bd0e039 | 1 | /* ESP8266 Example |
TaylorGy | 0:dfb22bd0e039 | 2 | * Copyright (c) 2015 ARM Limited |
TaylorGy | 0:dfb22bd0e039 | 3 | * |
TaylorGy | 0:dfb22bd0e039 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
TaylorGy | 0:dfb22bd0e039 | 5 | * you may not use this file except in compliance with the License. |
TaylorGy | 0:dfb22bd0e039 | 6 | * You may obtain a copy of the License at |
TaylorGy | 0:dfb22bd0e039 | 7 | * |
TaylorGy | 0:dfb22bd0e039 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
TaylorGy | 0:dfb22bd0e039 | 9 | * |
TaylorGy | 0:dfb22bd0e039 | 10 | * Unless required by applicable law or agreed to in writing, software |
TaylorGy | 0:dfb22bd0e039 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
TaylorGy | 0:dfb22bd0e039 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
TaylorGy | 0:dfb22bd0e039 | 13 | * See the License for the specific language governing permissions and |
TaylorGy | 0:dfb22bd0e039 | 14 | * limitations under the License. |
TaylorGy | 0:dfb22bd0e039 | 15 | */ |
TaylorGy | 0:dfb22bd0e039 | 16 | |
TaylorGy | 0:dfb22bd0e039 | 17 | #include "ESP8266.h" |
TaylorGy | 0:dfb22bd0e039 | 18 | |
TaylorGy | 0:dfb22bd0e039 | 19 | ESP8266::ESP8266(PinName tx, PinName rx, bool debug) |
TaylorGy | 0:dfb22bd0e039 | 20 | : _serial(tx, rx, 1024), _parser(_serial) |
TaylorGy | 0:dfb22bd0e039 | 21 | , _packets(0), _packets_end(&_packets) |
TaylorGy | 0:dfb22bd0e039 | 22 | { |
TaylorGy | 0:dfb22bd0e039 | 23 | _serial.baud(115200); |
TaylorGy | 0:dfb22bd0e039 | 24 | _parser.debugOn(debug); |
TaylorGy | 0:dfb22bd0e039 | 25 | } |
TaylorGy | 0:dfb22bd0e039 | 26 | |
TaylorGy | 0:dfb22bd0e039 | 27 | bool ESP8266::startup(int mode) |
TaylorGy | 0:dfb22bd0e039 | 28 | { |
TaylorGy | 0:dfb22bd0e039 | 29 | //only 3 valid modes |
TaylorGy | 0:dfb22bd0e039 | 30 | if(mode < 1 || mode > 3) { |
TaylorGy | 0:dfb22bd0e039 | 31 | return false; |
TaylorGy | 0:dfb22bd0e039 | 32 | } |
TaylorGy | 0:dfb22bd0e039 | 33 | |
TaylorGy | 0:dfb22bd0e039 | 34 | bool success = reset() |
TaylorGy | 0:dfb22bd0e039 | 35 | && _parser.send("AT+CWMODE=%d", mode) |
TaylorGy | 0:dfb22bd0e039 | 36 | && _parser.recv("OK") |
TaylorGy | 0:dfb22bd0e039 | 37 | && _parser.send("AT+CIPMUX=1") |
TaylorGy | 0:dfb22bd0e039 | 38 | && _parser.recv("OK"); |
TaylorGy | 0:dfb22bd0e039 | 39 | |
TaylorGy | 0:dfb22bd0e039 | 40 | _parser.oob("+IPD", this, &ESP8266::_packet_handler); |
TaylorGy | 0:dfb22bd0e039 | 41 | |
TaylorGy | 0:dfb22bd0e039 | 42 | return success; |
TaylorGy | 0:dfb22bd0e039 | 43 | } |
TaylorGy | 0:dfb22bd0e039 | 44 | |
TaylorGy | 0:dfb22bd0e039 | 45 | bool ESP8266::reset(void) |
TaylorGy | 0:dfb22bd0e039 | 46 | { |
TaylorGy | 0:dfb22bd0e039 | 47 | for (int i = 0; i < 2; i++) { |
TaylorGy | 0:dfb22bd0e039 | 48 | if (_parser.send("AT+RST") |
TaylorGy | 0:dfb22bd0e039 | 49 | && _parser.recv("OK\r\nready")) { |
TaylorGy | 0:dfb22bd0e039 | 50 | return true; |
TaylorGy | 0:dfb22bd0e039 | 51 | } |
TaylorGy | 0:dfb22bd0e039 | 52 | } |
TaylorGy | 0:dfb22bd0e039 | 53 | |
TaylorGy | 0:dfb22bd0e039 | 54 | return false; |
TaylorGy | 0:dfb22bd0e039 | 55 | } |
TaylorGy | 0:dfb22bd0e039 | 56 | |
TaylorGy | 0:dfb22bd0e039 | 57 | bool ESP8266::dhcp(bool enabled, int mode) |
TaylorGy | 0:dfb22bd0e039 | 58 | { |
TaylorGy | 0:dfb22bd0e039 | 59 | //only 3 valid modes |
TaylorGy | 0:dfb22bd0e039 | 60 | if(mode < 0 || mode > 2) { |
TaylorGy | 0:dfb22bd0e039 | 61 | return false; |
TaylorGy | 0:dfb22bd0e039 | 62 | } |
TaylorGy | 0:dfb22bd0e039 | 63 | |
TaylorGy | 0:dfb22bd0e039 | 64 | return _parser.send("AT+CWDHCP=%d,%d", enabled?1:0, mode) |
TaylorGy | 0:dfb22bd0e039 | 65 | && _parser.recv("OK"); |
TaylorGy | 0:dfb22bd0e039 | 66 | } |
TaylorGy | 0:dfb22bd0e039 | 67 | |
TaylorGy | 0:dfb22bd0e039 | 68 | bool ESP8266::connect(const char *ap, const char *passPhrase) |
TaylorGy | 0:dfb22bd0e039 | 69 | { |
TaylorGy | 0:dfb22bd0e039 | 70 | return _parser.send("AT+CWJAP=\"%s\",\"%s\"", ap, passPhrase) |
TaylorGy | 0:dfb22bd0e039 | 71 | && _parser.recv("OK"); |
TaylorGy | 0:dfb22bd0e039 | 72 | } |
TaylorGy | 0:dfb22bd0e039 | 73 | |
TaylorGy | 0:dfb22bd0e039 | 74 | bool ESP8266::disconnect(void) |
TaylorGy | 0:dfb22bd0e039 | 75 | { |
TaylorGy | 0:dfb22bd0e039 | 76 | return _parser.send("AT+CWQAP") && _parser.recv("OK"); |
TaylorGy | 0:dfb22bd0e039 | 77 | } |
TaylorGy | 0:dfb22bd0e039 | 78 | |
TaylorGy | 0:dfb22bd0e039 | 79 | const char *ESP8266::getIPAddress(void) |
TaylorGy | 0:dfb22bd0e039 | 80 | { |
TaylorGy | 0:dfb22bd0e039 | 81 | if (!(_parser.send("AT+CIFSR") |
TaylorGy | 0:dfb22bd0e039 | 82 | && _parser.recv("+CIFSR:STAIP,\"%15[^\"]\"", _ip_buffer) |
TaylorGy | 0:dfb22bd0e039 | 83 | && _parser.recv("OK"))) { |
TaylorGy | 0:dfb22bd0e039 | 84 | return 0; |
TaylorGy | 0:dfb22bd0e039 | 85 | } |
TaylorGy | 0:dfb22bd0e039 | 86 | |
TaylorGy | 0:dfb22bd0e039 | 87 | return _ip_buffer; |
TaylorGy | 0:dfb22bd0e039 | 88 | } |
TaylorGy | 0:dfb22bd0e039 | 89 | |
TaylorGy | 0:dfb22bd0e039 | 90 | const char *ESP8266::getMACAddress(void) |
TaylorGy | 0:dfb22bd0e039 | 91 | { |
TaylorGy | 0:dfb22bd0e039 | 92 | if (!(_parser.send("AT+CIFSR") |
TaylorGy | 0:dfb22bd0e039 | 93 | && _parser.recv("+CIFSR:STAMAC,\"%17[^\"]\"", _mac_buffer) |
TaylorGy | 0:dfb22bd0e039 | 94 | && _parser.recv("OK"))) { |
TaylorGy | 0:dfb22bd0e039 | 95 | return 0; |
TaylorGy | 0:dfb22bd0e039 | 96 | } |
TaylorGy | 0:dfb22bd0e039 | 97 | |
TaylorGy | 0:dfb22bd0e039 | 98 | return _mac_buffer; |
TaylorGy | 0:dfb22bd0e039 | 99 | } |
TaylorGy | 0:dfb22bd0e039 | 100 | |
TaylorGy | 0:dfb22bd0e039 | 101 | const char *ESP8266::getGateway() |
TaylorGy | 0:dfb22bd0e039 | 102 | { |
TaylorGy | 0:dfb22bd0e039 | 103 | if (!(_parser.send("AT+CIPSTA?") |
TaylorGy | 0:dfb22bd0e039 | 104 | && _parser.recv("+CIPSTA:gateway:\"%15[^\"]\"", _gateway_buffer) |
TaylorGy | 0:dfb22bd0e039 | 105 | && _parser.recv("OK"))) { |
TaylorGy | 0:dfb22bd0e039 | 106 | return 0; |
TaylorGy | 0:dfb22bd0e039 | 107 | } |
TaylorGy | 0:dfb22bd0e039 | 108 | |
TaylorGy | 0:dfb22bd0e039 | 109 | return _gateway_buffer; |
TaylorGy | 0:dfb22bd0e039 | 110 | } |
TaylorGy | 0:dfb22bd0e039 | 111 | |
TaylorGy | 0:dfb22bd0e039 | 112 | const char *ESP8266::getNetmask() |
TaylorGy | 0:dfb22bd0e039 | 113 | { |
TaylorGy | 0:dfb22bd0e039 | 114 | if (!(_parser.send("AT+CIPSTA?") |
TaylorGy | 0:dfb22bd0e039 | 115 | && _parser.recv("+CIPSTA:netmask:\"%15[^\"]\"", _netmask_buffer) |
TaylorGy | 0:dfb22bd0e039 | 116 | && _parser.recv("OK"))) { |
TaylorGy | 0:dfb22bd0e039 | 117 | return 0; |
TaylorGy | 0:dfb22bd0e039 | 118 | } |
TaylorGy | 0:dfb22bd0e039 | 119 | |
TaylorGy | 0:dfb22bd0e039 | 120 | return _netmask_buffer; |
TaylorGy | 0:dfb22bd0e039 | 121 | } |
TaylorGy | 0:dfb22bd0e039 | 122 | |
TaylorGy | 0:dfb22bd0e039 | 123 | int8_t ESP8266::getRSSI() |
TaylorGy | 0:dfb22bd0e039 | 124 | { |
TaylorGy | 0:dfb22bd0e039 | 125 | int8_t rssi; |
TaylorGy | 0:dfb22bd0e039 | 126 | char bssid[18]; |
TaylorGy | 0:dfb22bd0e039 | 127 | |
TaylorGy | 0:dfb22bd0e039 | 128 | if (!(_parser.send("AT+CWJAP?") |
TaylorGy | 0:dfb22bd0e039 | 129 | && _parser.recv("+CWJAP:\"%*[^\"]\",\"%17[^\"]\"", bssid) |
TaylorGy | 0:dfb22bd0e039 | 130 | && _parser.recv("OK"))) { |
TaylorGy | 0:dfb22bd0e039 | 131 | return 0; |
TaylorGy | 0:dfb22bd0e039 | 132 | } |
TaylorGy | 0:dfb22bd0e039 | 133 | |
TaylorGy | 0:dfb22bd0e039 | 134 | if (!(_parser.send("AT+CWLAP=\"\",\"%s\",", bssid) |
TaylorGy | 0:dfb22bd0e039 | 135 | && _parser.recv("+CWLAP:(%*d,\"%*[^\"]\",%hhd,", &rssi) |
TaylorGy | 0:dfb22bd0e039 | 136 | && _parser.recv("OK"))) { |
TaylorGy | 0:dfb22bd0e039 | 137 | return 0; |
TaylorGy | 0:dfb22bd0e039 | 138 | } |
TaylorGy | 0:dfb22bd0e039 | 139 | |
TaylorGy | 0:dfb22bd0e039 | 140 | return rssi; |
TaylorGy | 0:dfb22bd0e039 | 141 | } |
TaylorGy | 0:dfb22bd0e039 | 142 | |
TaylorGy | 0:dfb22bd0e039 | 143 | bool ESP8266::isConnected(void) |
TaylorGy | 0:dfb22bd0e039 | 144 | { |
TaylorGy | 0:dfb22bd0e039 | 145 | return getIPAddress() != 0; |
TaylorGy | 0:dfb22bd0e039 | 146 | } |
TaylorGy | 0:dfb22bd0e039 | 147 | |
TaylorGy | 0:dfb22bd0e039 | 148 | int ESP8266::scan(WiFiAccessPoint *res, unsigned limit) |
TaylorGy | 0:dfb22bd0e039 | 149 | { |
TaylorGy | 0:dfb22bd0e039 | 150 | unsigned cnt = 0; |
TaylorGy | 0:dfb22bd0e039 | 151 | nsapi_wifi_ap_t ap; |
TaylorGy | 0:dfb22bd0e039 | 152 | |
TaylorGy | 0:dfb22bd0e039 | 153 | if (!_parser.send("AT+CWLAP")) { |
TaylorGy | 0:dfb22bd0e039 | 154 | return NSAPI_ERROR_DEVICE_ERROR; |
TaylorGy | 0:dfb22bd0e039 | 155 | } |
TaylorGy | 0:dfb22bd0e039 | 156 | |
TaylorGy | 0:dfb22bd0e039 | 157 | while (recv_ap(&ap)) { |
TaylorGy | 0:dfb22bd0e039 | 158 | if (cnt < limit) { |
TaylorGy | 0:dfb22bd0e039 | 159 | res[cnt] = WiFiAccessPoint(ap); |
TaylorGy | 0:dfb22bd0e039 | 160 | } |
TaylorGy | 0:dfb22bd0e039 | 161 | |
TaylorGy | 0:dfb22bd0e039 | 162 | cnt++; |
TaylorGy | 0:dfb22bd0e039 | 163 | if (limit != 0 && cnt >= limit) { |
TaylorGy | 0:dfb22bd0e039 | 164 | break; |
TaylorGy | 0:dfb22bd0e039 | 165 | } |
TaylorGy | 0:dfb22bd0e039 | 166 | } |
TaylorGy | 0:dfb22bd0e039 | 167 | |
TaylorGy | 0:dfb22bd0e039 | 168 | return cnt; |
TaylorGy | 0:dfb22bd0e039 | 169 | } |
TaylorGy | 0:dfb22bd0e039 | 170 | |
TaylorGy | 0:dfb22bd0e039 | 171 | bool ESP8266::open(const char *type, int id, const char* addr, int port) |
TaylorGy | 0:dfb22bd0e039 | 172 | { |
TaylorGy | 0:dfb22bd0e039 | 173 | //IDs only 0-4 |
TaylorGy | 0:dfb22bd0e039 | 174 | if(id > 4) { |
TaylorGy | 0:dfb22bd0e039 | 175 | return false; |
TaylorGy | 0:dfb22bd0e039 | 176 | } |
TaylorGy | 0:dfb22bd0e039 | 177 | |
TaylorGy | 0:dfb22bd0e039 | 178 | return _parser.send("AT+CIPSTART=%d,\"%s\",\"%s\",%d", id, type, addr, port) |
TaylorGy | 0:dfb22bd0e039 | 179 | && _parser.recv("OK"); |
TaylorGy | 0:dfb22bd0e039 | 180 | } |
TaylorGy | 0:dfb22bd0e039 | 181 | |
TaylorGy | 0:dfb22bd0e039 | 182 | int ESP8266::isOpen(void) |
TaylorGy | 0:dfb22bd0e039 | 183 | { |
TaylorGy | 0:dfb22bd0e039 | 184 | |
TaylorGy | 0:dfb22bd0e039 | 185 | if( _parser.send("AT+CIPSTATUS") |
TaylorGy | 0:dfb22bd0e039 | 186 | && _parser.recv("STATUS:2")) { //已连接AP,获得IP地址 |
TaylorGy | 0:dfb22bd0e039 | 187 | return -4; |
TaylorGy | 0:dfb22bd0e039 | 188 | } else if( _parser.send("AT+CIPSTATUS") |
TaylorGy | 0:dfb22bd0e039 | 189 | && _parser.recv("STATUS:3")) { //已建立TCP或UDP传输 |
TaylorGy | 0:dfb22bd0e039 | 190 | return 0; |
TaylorGy | 0:dfb22bd0e039 | 191 | } else if( _parser.send("AT+CIPSTATUS") |
TaylorGy | 0:dfb22bd0e039 | 192 | && _parser.recv("STATUS:4") ) { //失去连接 |
TaylorGy | 0:dfb22bd0e039 | 193 | return -2; |
TaylorGy | 0:dfb22bd0e039 | 194 | } else if( _parser.send("AT+CIPSTATUS") |
TaylorGy | 0:dfb22bd0e039 | 195 | && _parser.recv("STATUS:5") ) { //物理掉线 |
TaylorGy | 0:dfb22bd0e039 | 196 | return -5; |
TaylorGy | 0:dfb22bd0e039 | 197 | } else if(_parser.send("AT+CIPSTATUS") |
TaylorGy | 0:dfb22bd0e039 | 198 | && _parser.recv("ERROR") ) { //未知错误 |
TaylorGy | 0:dfb22bd0e039 | 199 | return -1; |
TaylorGy | 0:dfb22bd0e039 | 200 | } else { |
TaylorGy | 0:dfb22bd0e039 | 201 | } |
TaylorGy | 0:dfb22bd0e039 | 202 | } |
TaylorGy | 0:dfb22bd0e039 | 203 | |
TaylorGy | 0:dfb22bd0e039 | 204 | bool ESP8266::send(int id, const void *data, uint32_t amount) |
TaylorGy | 0:dfb22bd0e039 | 205 | { |
TaylorGy | 0:dfb22bd0e039 | 206 | //May take a second try if device is busy |
TaylorGy | 0:dfb22bd0e039 | 207 | for (unsigned i = 0; i < 2; i++) { |
TaylorGy | 0:dfb22bd0e039 | 208 | if (_parser.send("AT+CIPSEND=%d,%d", id, amount) |
TaylorGy | 0:dfb22bd0e039 | 209 | && _parser.recv(">") |
TaylorGy | 0:dfb22bd0e039 | 210 | && _parser.write((char*)data, (int)amount) >= 0) { |
TaylorGy | 0:dfb22bd0e039 | 211 | return true; |
TaylorGy | 0:dfb22bd0e039 | 212 | } |
TaylorGy | 0:dfb22bd0e039 | 213 | } |
TaylorGy | 0:dfb22bd0e039 | 214 | |
TaylorGy | 0:dfb22bd0e039 | 215 | return false; |
TaylorGy | 0:dfb22bd0e039 | 216 | } |
TaylorGy | 0:dfb22bd0e039 | 217 | |
TaylorGy | 0:dfb22bd0e039 | 218 | void ESP8266::_packet_handler() |
TaylorGy | 0:dfb22bd0e039 | 219 | { |
TaylorGy | 0:dfb22bd0e039 | 220 | int id; |
TaylorGy | 0:dfb22bd0e039 | 221 | uint32_t amount; |
TaylorGy | 0:dfb22bd0e039 | 222 | |
TaylorGy | 0:dfb22bd0e039 | 223 | // parse out the packet |
TaylorGy | 0:dfb22bd0e039 | 224 | if (!_parser.recv(",%d,%d:", &id, &amount)) { |
TaylorGy | 0:dfb22bd0e039 | 225 | return; |
TaylorGy | 0:dfb22bd0e039 | 226 | } |
TaylorGy | 0:dfb22bd0e039 | 227 | |
TaylorGy | 0:dfb22bd0e039 | 228 | struct packet *packet = (struct packet*)malloc( |
TaylorGy | 0:dfb22bd0e039 | 229 | sizeof(struct packet) + amount); |
TaylorGy | 0:dfb22bd0e039 | 230 | if (!packet) { |
TaylorGy | 0:dfb22bd0e039 | 231 | return; |
TaylorGy | 0:dfb22bd0e039 | 232 | } |
TaylorGy | 0:dfb22bd0e039 | 233 | |
TaylorGy | 0:dfb22bd0e039 | 234 | packet->id = id; |
TaylorGy | 0:dfb22bd0e039 | 235 | packet->len = amount; |
TaylorGy | 0:dfb22bd0e039 | 236 | packet->next = 0; |
TaylorGy | 0:dfb22bd0e039 | 237 | |
TaylorGy | 0:dfb22bd0e039 | 238 | if (!(_parser.read((char*)(packet + 1), amount))) { |
TaylorGy | 0:dfb22bd0e039 | 239 | free(packet); |
TaylorGy | 0:dfb22bd0e039 | 240 | return; |
TaylorGy | 0:dfb22bd0e039 | 241 | } |
TaylorGy | 0:dfb22bd0e039 | 242 | |
TaylorGy | 0:dfb22bd0e039 | 243 | // append to packet list |
TaylorGy | 0:dfb22bd0e039 | 244 | *_packets_end = packet; |
TaylorGy | 0:dfb22bd0e039 | 245 | _packets_end = &packet->next; |
TaylorGy | 0:dfb22bd0e039 | 246 | } |
TaylorGy | 0:dfb22bd0e039 | 247 | |
TaylorGy | 0:dfb22bd0e039 | 248 | int32_t ESP8266::recv(int id, void *data, uint32_t amount) |
TaylorGy | 0:dfb22bd0e039 | 249 | { |
TaylorGy | 0:dfb22bd0e039 | 250 | while (true) { |
TaylorGy | 0:dfb22bd0e039 | 251 | // check if any packets are ready for us |
TaylorGy | 0:dfb22bd0e039 | 252 | for (struct packet **p = &_packets; *p; p = &(*p)->next) { |
TaylorGy | 0:dfb22bd0e039 | 253 | if ((*p)->id == id) { |
TaylorGy | 0:dfb22bd0e039 | 254 | struct packet *q = *p; |
TaylorGy | 0:dfb22bd0e039 | 255 | |
TaylorGy | 0:dfb22bd0e039 | 256 | if (q->len <= amount) { // Return and remove full packet |
TaylorGy | 0:dfb22bd0e039 | 257 | memcpy(data, q+1, q->len); |
TaylorGy | 0:dfb22bd0e039 | 258 | |
TaylorGy | 0:dfb22bd0e039 | 259 | if (_packets_end == &(*p)->next) { |
TaylorGy | 0:dfb22bd0e039 | 260 | _packets_end = p; |
TaylorGy | 0:dfb22bd0e039 | 261 | } |
TaylorGy | 0:dfb22bd0e039 | 262 | *p = (*p)->next; |
TaylorGy | 0:dfb22bd0e039 | 263 | |
TaylorGy | 0:dfb22bd0e039 | 264 | uint32_t len = q->len; |
TaylorGy | 0:dfb22bd0e039 | 265 | free(q); |
TaylorGy | 0:dfb22bd0e039 | 266 | return len; |
TaylorGy | 0:dfb22bd0e039 | 267 | } else { // return only partial packet |
TaylorGy | 0:dfb22bd0e039 | 268 | memcpy(data, q+1, amount); |
TaylorGy | 0:dfb22bd0e039 | 269 | |
TaylorGy | 0:dfb22bd0e039 | 270 | q->len -= amount; |
TaylorGy | 0:dfb22bd0e039 | 271 | memmove(q+1, (uint8_t*)(q+1) + amount, q->len); |
TaylorGy | 0:dfb22bd0e039 | 272 | |
TaylorGy | 0:dfb22bd0e039 | 273 | return amount; |
TaylorGy | 0:dfb22bd0e039 | 274 | } |
TaylorGy | 0:dfb22bd0e039 | 275 | } |
TaylorGy | 0:dfb22bd0e039 | 276 | } |
TaylorGy | 0:dfb22bd0e039 | 277 | |
TaylorGy | 0:dfb22bd0e039 | 278 | // Wait for inbound packet |
TaylorGy | 0:dfb22bd0e039 | 279 | if (!_parser.recv("OK")) { |
TaylorGy | 0:dfb22bd0e039 | 280 | return -1; |
TaylorGy | 0:dfb22bd0e039 | 281 | } |
TaylorGy | 0:dfb22bd0e039 | 282 | } |
TaylorGy | 0:dfb22bd0e039 | 283 | } |
TaylorGy | 0:dfb22bd0e039 | 284 | |
TaylorGy | 0:dfb22bd0e039 | 285 | bool ESP8266::close(int id) |
TaylorGy | 0:dfb22bd0e039 | 286 | { |
TaylorGy | 0:dfb22bd0e039 | 287 | //May take a second try if device is busy |
TaylorGy | 0:dfb22bd0e039 | 288 | for (unsigned i = 0; i < 2; i++) { |
TaylorGy | 0:dfb22bd0e039 | 289 | if (_parser.send("AT+CIPCLOSE=%d", id) |
TaylorGy | 0:dfb22bd0e039 | 290 | && _parser.recv("OK")) { |
TaylorGy | 0:dfb22bd0e039 | 291 | return true; |
TaylorGy | 0:dfb22bd0e039 | 292 | } |
TaylorGy | 0:dfb22bd0e039 | 293 | } |
TaylorGy | 0:dfb22bd0e039 | 294 | |
TaylorGy | 0:dfb22bd0e039 | 295 | return false; |
TaylorGy | 0:dfb22bd0e039 | 296 | } |
TaylorGy | 0:dfb22bd0e039 | 297 | |
TaylorGy | 0:dfb22bd0e039 | 298 | void ESP8266::setTimeout(uint32_t timeout_ms) |
TaylorGy | 0:dfb22bd0e039 | 299 | { |
TaylorGy | 0:dfb22bd0e039 | 300 | _parser.setTimeout(timeout_ms); |
TaylorGy | 0:dfb22bd0e039 | 301 | } |
TaylorGy | 0:dfb22bd0e039 | 302 | |
TaylorGy | 0:dfb22bd0e039 | 303 | bool ESP8266::readable() |
TaylorGy | 0:dfb22bd0e039 | 304 | { |
TaylorGy | 0:dfb22bd0e039 | 305 | return _serial.readable(); |
TaylorGy | 0:dfb22bd0e039 | 306 | } |
TaylorGy | 0:dfb22bd0e039 | 307 | |
TaylorGy | 0:dfb22bd0e039 | 308 | bool ESP8266::writeable() |
TaylorGy | 0:dfb22bd0e039 | 309 | { |
TaylorGy | 0:dfb22bd0e039 | 310 | return _serial.writeable(); |
TaylorGy | 0:dfb22bd0e039 | 311 | } |
TaylorGy | 0:dfb22bd0e039 | 312 | |
TaylorGy | 0:dfb22bd0e039 | 313 | void ESP8266::attach(Callback<void()> func) |
TaylorGy | 0:dfb22bd0e039 | 314 | { |
TaylorGy | 0:dfb22bd0e039 | 315 | _serial.attach(func); |
TaylorGy | 0:dfb22bd0e039 | 316 | } |
TaylorGy | 0:dfb22bd0e039 | 317 | |
TaylorGy | 0:dfb22bd0e039 | 318 | bool ESP8266::recv_ap(nsapi_wifi_ap_t *ap) |
TaylorGy | 0:dfb22bd0e039 | 319 | { |
TaylorGy | 0:dfb22bd0e039 | 320 | int sec; |
TaylorGy | 0:dfb22bd0e039 | 321 | bool ret = _parser.recv("+CWLAP:(%d,\"%32[^\"]\",%hhd,\"%hhx:%hhx:%hhx:%hhx:%hhx:%hhx\",%d", &sec, ap->ssid, |
TaylorGy | 0:dfb22bd0e039 | 322 | &ap->rssi, &ap->bssid[0], &ap->bssid[1], &ap->bssid[2], &ap->bssid[3], &ap->bssid[4], |
TaylorGy | 0:dfb22bd0e039 | 323 | &ap->bssid[5], &ap->channel); |
TaylorGy | 0:dfb22bd0e039 | 324 | |
TaylorGy | 0:dfb22bd0e039 | 325 | ap->security = sec < 5 ? (nsapi_security_t)sec : NSAPI_SECURITY_UNKNOWN; |
TaylorGy | 0:dfb22bd0e039 | 326 | |
TaylorGy | 0:dfb22bd0e039 | 327 | return ret; |
TaylorGy | 0:dfb22bd0e039 | 328 | } |