cc
SPWFSA01.cpp@13:f21e4e73bbb6, 2016-08-02 (annotated)
- Committer:
- mridup
- Date:
- Tue Aug 02 07:03:54 2016 +0000
- Revision:
- 13:f21e4e73bbb6
- Parent:
- 12:00bc9c029aec
- Child:
- 14:868b0fd4e84a
debug_if, sock open time out, sock recv returns "device error" apart from "would block".
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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mridup | 0:9e5d98ceea74 | 1 | /* SPWFInterface Example |
mridup | 0:9e5d98ceea74 | 2 | * Copyright (c) 2015 ARM Limited |
mridup | 0:9e5d98ceea74 | 3 | * |
mridup | 0:9e5d98ceea74 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
mridup | 0:9e5d98ceea74 | 5 | * you may not use this file except in compliance with the License. |
mridup | 0:9e5d98ceea74 | 6 | * You may obtain a copy of the License at |
mridup | 0:9e5d98ceea74 | 7 | * |
mridup | 0:9e5d98ceea74 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
mridup | 0:9e5d98ceea74 | 9 | * |
mridup | 0:9e5d98ceea74 | 10 | * Unless required by applicable law or agreed to in writing, software |
mridup | 0:9e5d98ceea74 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
mridup | 0:9e5d98ceea74 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mridup | 0:9e5d98ceea74 | 13 | * See the License for the specific language governing permissions and |
mridup | 0:9e5d98ceea74 | 14 | * limitations under the License. |
mridup | 0:9e5d98ceea74 | 15 | */ |
mridup | 0:9e5d98ceea74 | 16 | |
mridup | 0:9e5d98ceea74 | 17 | #include "SPWFSA01.h" |
mridup | 13:f21e4e73bbb6 | 18 | #include "mbed_debug.h" |
mridup | 0:9e5d98ceea74 | 19 | |
mridup | 0:9e5d98ceea74 | 20 | #define SPWFSA01_CONNECT_TIMEOUT 15000 |
mridup | 0:9e5d98ceea74 | 21 | #define SPWFSA01_SEND_TIMEOUT 500 |
mridup | 10:580379efe167 | 22 | #define SPWFSA01_RECV_TIMEOUT 1500//some commands like AT&F/W takes some time to get the result back! |
mridup | 0:9e5d98ceea74 | 23 | #define SPWFSA01_MISC_TIMEOUT 500 |
mridup | 0:9e5d98ceea74 | 24 | |
mridup | 0:9e5d98ceea74 | 25 | SPWFSA01::SPWFSA01(PinName tx, PinName rx, bool debug) |
mridup | 0:9e5d98ceea74 | 26 | : _serial(tx, rx, 1024), _parser(_serial), |
mridup | 13:f21e4e73bbb6 | 27 | _wakeup(PC_8, PIN_INPUT, PullNone, 0), _reset(PC_12, PIN_INPUT, PullNone, 1), |
mridup | 13:f21e4e73bbb6 | 28 | dbg_on(debug) |
mridup | 0:9e5d98ceea74 | 29 | //Pin PC_8 is wakeup pin |
mridup | 0:9e5d98ceea74 | 30 | //Pin PA_12 is reset pin |
mridup | 0:9e5d98ceea74 | 31 | { |
mridup | 0:9e5d98ceea74 | 32 | _serial.baud(115200); |
mridup | 0:9e5d98ceea74 | 33 | _reset.output(); |
mridup | 0:9e5d98ceea74 | 34 | _wakeup.output(); |
mridup | 0:9e5d98ceea74 | 35 | _parser.debugOn(debug); |
mridup | 0:9e5d98ceea74 | 36 | } |
mridup | 0:9e5d98ceea74 | 37 | |
mridup | 0:9e5d98ceea74 | 38 | bool SPWFSA01::startup(int mode) |
mridup | 0:9e5d98ceea74 | 39 | { |
mridup | 0:9e5d98ceea74 | 40 | setTimeout(SPWFSA01_RECV_TIMEOUT); |
mridup | 0:9e5d98ceea74 | 41 | |
mridup | 0:9e5d98ceea74 | 42 | /*Test module before reset*/ |
mridup | 0:9e5d98ceea74 | 43 | waitSPWFReady(); |
mridup | 0:9e5d98ceea74 | 44 | /*Reset module*/ |
mridup | 0:9e5d98ceea74 | 45 | reset(); |
mridup | 0:9e5d98ceea74 | 46 | |
mridup | 0:9e5d98ceea74 | 47 | /*set local echo to 0*/ |
mridup | 8:a4425b8dd2e4 | 48 | if(!(_parser.send("AT+S.SCFG=localecho1,%d\r", 0) && _parser.recv("OK"))) |
mridup | 0:9e5d98ceea74 | 49 | { |
mridup | 13:f21e4e73bbb6 | 50 | debug_if(dbg_on, "SPWF> error local echo set\r\n"); |
mridup | 0:9e5d98ceea74 | 51 | return false; |
mridup | 0:9e5d98ceea74 | 52 | } |
mridup | 0:9e5d98ceea74 | 53 | /*reset factory settings*/ |
mridup | 0:9e5d98ceea74 | 54 | if(!(_parser.send("AT&F") && _parser.recv("OK"))) |
mridup | 0:9e5d98ceea74 | 55 | { |
mridup | 13:f21e4e73bbb6 | 56 | debug_if(dbg_on, "SPWF> error AT&F\r\n"); |
mridup | 0:9e5d98ceea74 | 57 | return false; |
mridup | 0:9e5d98ceea74 | 58 | } |
mridup | 0:9e5d98ceea74 | 59 | |
mridup | 0:9e5d98ceea74 | 60 | /*set idle mode (0->idle, 1->STA,3->miniAP, 2->IBSS)*/ |
mridup | 0:9e5d98ceea74 | 61 | if(!(_parser.send("AT+S.SCFG=wifi_mode,%d\r", mode) && _parser.recv("OK"))) |
mridup | 0:9e5d98ceea74 | 62 | { |
mridup | 13:f21e4e73bbb6 | 63 | debug_if(dbg_on, "SPWF> error wifi mode set\r\n"); |
mridup | 0:9e5d98ceea74 | 64 | return false; |
mridup | 0:9e5d98ceea74 | 65 | } |
mridup | 0:9e5d98ceea74 | 66 | |
mridup | 0:9e5d98ceea74 | 67 | /* save current setting in flash */ |
mridup | 0:9e5d98ceea74 | 68 | if(!(_parser.send("AT&W") && _parser.recv("OK"))) |
mridup | 0:9e5d98ceea74 | 69 | { |
mridup | 13:f21e4e73bbb6 | 70 | debug_if(dbg_on, "SPWF> error AT&W\r\n"); |
mridup | 0:9e5d98ceea74 | 71 | return false; |
mridup | 0:9e5d98ceea74 | 72 | } |
mridup | 0:9e5d98ceea74 | 73 | |
mridup | 0:9e5d98ceea74 | 74 | /*reset again and send AT command and check for result (AT->OK)*/ |
mridup | 0:9e5d98ceea74 | 75 | reset(); |
mridup | 0:9e5d98ceea74 | 76 | |
mridup | 0:9e5d98ceea74 | 77 | return true; |
mridup | 0:9e5d98ceea74 | 78 | } |
mridup | 0:9e5d98ceea74 | 79 | |
mridup | 0:9e5d98ceea74 | 80 | bool SPWFSA01::hw_reset(void) |
mridup | 0:9e5d98ceea74 | 81 | { |
mridup | 0:9e5d98ceea74 | 82 | /* reset the pin PC12 */ |
mridup | 0:9e5d98ceea74 | 83 | _reset.write(0); |
mridup | 0:9e5d98ceea74 | 84 | wait_ms(200); |
mridup | 0:9e5d98ceea74 | 85 | _reset.write(1); |
mridup | 0:9e5d98ceea74 | 86 | wait_ms(100); |
mridup | 0:9e5d98ceea74 | 87 | return 1; |
mridup | 0:9e5d98ceea74 | 88 | } |
mridup | 0:9e5d98ceea74 | 89 | |
mridup | 0:9e5d98ceea74 | 90 | bool SPWFSA01::reset(void) |
mridup | 0:9e5d98ceea74 | 91 | { |
mridup | 0:9e5d98ceea74 | 92 | if(!_parser.send("AT+CFUN=1")) return false; |
mridup | 0:9e5d98ceea74 | 93 | while(1) { |
mridup | 8:a4425b8dd2e4 | 94 | if (_parser.recv("+WIND:32:WiFi Hardware Started\r")) { |
mridup | 0:9e5d98ceea74 | 95 | return true; |
mridup | 0:9e5d98ceea74 | 96 | } |
mridup | 0:9e5d98ceea74 | 97 | } |
mridup | 0:9e5d98ceea74 | 98 | } |
mridup | 0:9e5d98ceea74 | 99 | |
mridup | 0:9e5d98ceea74 | 100 | void SPWFSA01::waitSPWFReady(void) |
mridup | 0:9e5d98ceea74 | 101 | { |
mridup | 0:9e5d98ceea74 | 102 | //wait_ms(200); |
mridup | 0:9e5d98ceea74 | 103 | while(1) |
mridup | 0:9e5d98ceea74 | 104 | if(_parser.send("AT") && _parser.recv("OK")) |
mridup | 0:9e5d98ceea74 | 105 | //till we get OK from AT command |
mridup | 0:9e5d98ceea74 | 106 | //printf("\r\nwaiting for reset to complete..\n"); |
mridup | 0:9e5d98ceea74 | 107 | return; |
mridup | 0:9e5d98ceea74 | 108 | |
mridup | 0:9e5d98ceea74 | 109 | } |
mridup | 0:9e5d98ceea74 | 110 | |
mridup | 0:9e5d98ceea74 | 111 | /* Security Mode |
mridup | 0:9e5d98ceea74 | 112 | None = 0, |
mridup | 0:9e5d98ceea74 | 113 | WEP = 1, |
mridup | 0:9e5d98ceea74 | 114 | WPA_Personal = 2, |
mridup | 0:9e5d98ceea74 | 115 | */ |
mridup | 0:9e5d98ceea74 | 116 | bool SPWFSA01::connect(const char *ap, const char *passPhrase, int securityMode) |
mridup | 0:9e5d98ceea74 | 117 | { |
mridup | 0:9e5d98ceea74 | 118 | uint32_t n1, n2, n3, n4; |
mridup | 0:9e5d98ceea74 | 119 | |
mridup | 0:9e5d98ceea74 | 120 | //AT+S.SCFG=wifi_wpa_psk_text,%s\r |
mridup | 0:9e5d98ceea74 | 121 | if(!(_parser.send("AT+S.SCFG=wifi_wpa_psk_text,%s", passPhrase) && _parser.recv("OK"))) |
mridup | 0:9e5d98ceea74 | 122 | { |
mridup | 13:f21e4e73bbb6 | 123 | debug_if(dbg_on, "SPWF> error pass set\r\n"); |
mridup | 0:9e5d98ceea74 | 124 | return false; |
mridup | 0:9e5d98ceea74 | 125 | } |
mridup | 0:9e5d98ceea74 | 126 | //AT+S.SSIDTXT=%s\r |
mridup | 0:9e5d98ceea74 | 127 | if(!(_parser.send("AT+S.SSIDTXT=%s", ap) && _parser.recv("OK"))) |
mridup | 0:9e5d98ceea74 | 128 | { |
mridup | 13:f21e4e73bbb6 | 129 | debug_if(dbg_on, "SPWF> error ssid set\r\n"); |
mridup | 0:9e5d98ceea74 | 130 | return false; |
mridup | 0:9e5d98ceea74 | 131 | } |
mridup | 0:9e5d98ceea74 | 132 | //AT+S.SCFG=wifi_priv_mode,%d\r |
mridup | 0:9e5d98ceea74 | 133 | if(!(_parser.send("AT+S.SCFG=wifi_priv_mode,%d", securityMode) && _parser.recv("OK"))) |
mridup | 0:9e5d98ceea74 | 134 | { |
mridup | 13:f21e4e73bbb6 | 135 | debug_if(dbg_on, "SPWF> error security mode set\r\n"); |
mridup | 0:9e5d98ceea74 | 136 | return false; |
mridup | 0:9e5d98ceea74 | 137 | } |
mridup | 0:9e5d98ceea74 | 138 | //"AT+S.SCFG=wifi_mode,%d\r" |
mridup | 0:9e5d98ceea74 | 139 | /*set idle mode (0->idle, 1->STA,3->miniAP, 2->IBSS)*/ |
mridup | 0:9e5d98ceea74 | 140 | if(!(_parser.send("AT+S.SCFG=wifi_mode,%d\r", 1) && _parser.recv("OK"))) |
mridup | 0:9e5d98ceea74 | 141 | { |
mridup | 13:f21e4e73bbb6 | 142 | debug_if(dbg_on, "SPWF> error wifi mode set\r\n"); |
mridup | 0:9e5d98ceea74 | 143 | return false; |
mridup | 0:9e5d98ceea74 | 144 | } |
mridup | 0:9e5d98ceea74 | 145 | //AT&W |
mridup | 0:9e5d98ceea74 | 146 | /* save current setting in flash */ |
mridup | 0:9e5d98ceea74 | 147 | if(!(_parser.send("AT&W") && _parser.recv("OK"))) |
mridup | 0:9e5d98ceea74 | 148 | { |
mridup | 13:f21e4e73bbb6 | 149 | debug_if(dbg_on, "SPWF> error AT&W\r\n"); |
mridup | 0:9e5d98ceea74 | 150 | return false; |
mridup | 0:9e5d98ceea74 | 151 | } |
mridup | 0:9e5d98ceea74 | 152 | //reset module |
mridup | 0:9e5d98ceea74 | 153 | reset(); |
mridup | 0:9e5d98ceea74 | 154 | |
mridup | 0:9e5d98ceea74 | 155 | while(1) |
mridup | 8:a4425b8dd2e4 | 156 | if((_parser.recv("+WIND:24:WiFi Up:%u.%u.%u.%u\r",&n1, &n2, &n3, &n4))) |
mridup | 0:9e5d98ceea74 | 157 | { |
mridup | 0:9e5d98ceea74 | 158 | break; |
mridup | 8:a4425b8dd2e4 | 159 | } |
mridup | 0:9e5d98ceea74 | 160 | |
mridup | 0:9e5d98ceea74 | 161 | return true; |
mridup | 0:9e5d98ceea74 | 162 | } |
mridup | 0:9e5d98ceea74 | 163 | |
mridup | 0:9e5d98ceea74 | 164 | bool SPWFSA01::disconnect(void) |
mridup | 0:9e5d98ceea74 | 165 | { |
mridup | 0:9e5d98ceea74 | 166 | //"AT+S.SCFG=wifi_mode,%d\r" |
mridup | 0:9e5d98ceea74 | 167 | /*set idle mode (0->idle, 1->STA,3->miniAP, 2->IBSS)*/ |
mridup | 0:9e5d98ceea74 | 168 | if(!(_parser.send("AT+S.SCFG=wifi_mode,%d\r", 0) && _parser.recv("OK"))) |
mridup | 0:9e5d98ceea74 | 169 | { |
mridup | 13:f21e4e73bbb6 | 170 | debug_if(dbg_on, "SPWF> error wifi mode set\r\n"); |
mridup | 0:9e5d98ceea74 | 171 | return false; |
mridup | 0:9e5d98ceea74 | 172 | } |
mridup | 0:9e5d98ceea74 | 173 | //AT&W |
mridup | 0:9e5d98ceea74 | 174 | /* save current setting in flash */ |
mridup | 0:9e5d98ceea74 | 175 | if(!(_parser.send("AT&W") && _parser.recv("OK"))) |
mridup | 0:9e5d98ceea74 | 176 | { |
mridup | 13:f21e4e73bbb6 | 177 | debug_if(dbg_on, "SPWF> error AT&W\r\n"); |
mridup | 0:9e5d98ceea74 | 178 | return false; |
mridup | 0:9e5d98ceea74 | 179 | } |
mridup | 0:9e5d98ceea74 | 180 | //reset module |
mridup | 0:9e5d98ceea74 | 181 | reset(); |
mridup | 0:9e5d98ceea74 | 182 | return true; |
mridup | 0:9e5d98ceea74 | 183 | } |
mridup | 0:9e5d98ceea74 | 184 | |
mridup | 5:f17d6351e942 | 185 | bool SPWFSA01::dhcp(int mode) |
mridup | 0:9e5d98ceea74 | 186 | { |
mridup | 0:9e5d98ceea74 | 187 | //only 3 valid modes |
mridup | 5:f17d6351e942 | 188 | //0->off(ip_addr must be set by user), 1->on(auto set by AP), 2->on&customize(miniAP ip_addr can be set by user) |
mridup | 0:9e5d98ceea74 | 189 | if(mode < 0 || mode > 2) { |
mridup | 0:9e5d98ceea74 | 190 | return false; |
mridup | 0:9e5d98ceea74 | 191 | } |
mridup | 5:f17d6351e942 | 192 | |
mridup | 5:f17d6351e942 | 193 | return _parser.send("AT+S.SCFG=ip_use_dhcp,%d\r", mode) |
mridup | 0:9e5d98ceea74 | 194 | && _parser.recv("OK"); |
mridup | 0:9e5d98ceea74 | 195 | } |
mridup | 0:9e5d98ceea74 | 196 | |
mridup | 0:9e5d98ceea74 | 197 | |
mridup | 0:9e5d98ceea74 | 198 | const char *SPWFSA01::getIPAddress(void) |
mridup | 0:9e5d98ceea74 | 199 | { |
mridup | 0:9e5d98ceea74 | 200 | uint32_t n1, n2, n3, n4; |
mridup | 0:9e5d98ceea74 | 201 | |
mridup | 0:9e5d98ceea74 | 202 | if (!(_parser.send("AT+S.STS=ip_ipaddr") |
mridup | 1:becf69a794fb | 203 | && _parser.recv("# ip_ipaddr = %u.%u.%u.%u", &n1, &n2, &n3, &n4) |
mridup | 0:9e5d98ceea74 | 204 | && _parser.recv("OK"))) { |
mridup | 13:f21e4e73bbb6 | 205 | debug_if(dbg_on, "SPWF> getIPAddress error\r\n"); |
mridup | 0:9e5d98ceea74 | 206 | return 0; |
mridup | 0:9e5d98ceea74 | 207 | } |
mridup | 2:40d183d7dc19 | 208 | |
mridup | 0:9e5d98ceea74 | 209 | sprintf((char*)_ip_buffer,"%u.%u.%u.%u", n1, n2, n3, n4); |
mridup | 0:9e5d98ceea74 | 210 | |
mridup | 0:9e5d98ceea74 | 211 | return _ip_buffer; |
mridup | 0:9e5d98ceea74 | 212 | } |
mridup | 0:9e5d98ceea74 | 213 | |
mridup | 0:9e5d98ceea74 | 214 | const char *SPWFSA01::getMACAddress(void) |
mridup | 0:9e5d98ceea74 | 215 | { |
mridup | 2:40d183d7dc19 | 216 | uint32_t n1, n2, n3, n4, n5, n6; |
mridup | 1:becf69a794fb | 217 | |
mridup | 1:becf69a794fb | 218 | if (!(_parser.send("AT+S.GCFG=nv_wifi_macaddr") |
mridup | 2:40d183d7dc19 | 219 | && _parser.recv("# nv_wifi_macaddr = %x:%x:%x:%x:%x:%x", &n1, &n2, &n3, &n4, &n5, &n6) |
mridup | 0:9e5d98ceea74 | 220 | && _parser.recv("OK"))) { |
mridup | 13:f21e4e73bbb6 | 221 | debug_if(dbg_on, "SPWF> getMACAddress error\r\n"); |
mridup | 0:9e5d98ceea74 | 222 | return 0; |
mridup | 0:9e5d98ceea74 | 223 | } |
mridup | 2:40d183d7dc19 | 224 | |
mridup | 2:40d183d7dc19 | 225 | sprintf((char*)_mac_buffer,"%02X:%02X:%02X:%02X:%02X:%02X", n1, n2, n3, n4, n5, n6); |
mridup | 0:9e5d98ceea74 | 226 | |
mridup | 0:9e5d98ceea74 | 227 | return _mac_buffer; |
mridup | 0:9e5d98ceea74 | 228 | } |
mridup | 0:9e5d98ceea74 | 229 | |
mridup | 0:9e5d98ceea74 | 230 | bool SPWFSA01::isConnected(void) |
mridup | 0:9e5d98ceea74 | 231 | { |
mridup | 0:9e5d98ceea74 | 232 | return getIPAddress() != 0; |
mridup | 0:9e5d98ceea74 | 233 | } |
mridup | 0:9e5d98ceea74 | 234 | |
mridup | 3:2af9df1068a5 | 235 | bool SPWFSA01::open(const char *type, int* id, const char* addr, int port) |
mridup | 0:9e5d98ceea74 | 236 | { |
mridup | 13:f21e4e73bbb6 | 237 | Timer timer; |
mridup | 13:f21e4e73bbb6 | 238 | timer.start(); |
mridup | 3:2af9df1068a5 | 239 | |
mridup | 3:2af9df1068a5 | 240 | if(!_parser.send("AT+S.SOCKON=%s,%d,%s,ind", addr, port, type)) |
mridup | 3:2af9df1068a5 | 241 | { |
mridup | 13:f21e4e73bbb6 | 242 | debug_if(dbg_on, "SPWF> error opening socket\r\n"); |
mridup | 3:2af9df1068a5 | 243 | return false; |
mridup | 3:2af9df1068a5 | 244 | } |
mridup | 3:2af9df1068a5 | 245 | |
mridup | 3:2af9df1068a5 | 246 | while(1) |
mridup | 3:2af9df1068a5 | 247 | { |
mridup | 3:2af9df1068a5 | 248 | if( _parser.recv(" ID: %d", id) |
mridup | 3:2af9df1068a5 | 249 | && _parser.recv("OK")) |
mridup | 3:2af9df1068a5 | 250 | break; |
mridup | 13:f21e4e73bbb6 | 251 | |
mridup | 13:f21e4e73bbb6 | 252 | if (timer.read_ms() > SPWFSA01_CONNECT_TIMEOUT) { |
mridup | 13:f21e4e73bbb6 | 253 | return false; |
mridup | 13:f21e4e73bbb6 | 254 | } |
mridup | 13:f21e4e73bbb6 | 255 | |
mridup | 3:2af9df1068a5 | 256 | //TODO:implement time-out functionality in case of no response |
mridup | 4:042d5b9bb6e7 | 257 | //if(timeout) return false; |
mridup | 7:551de95939e2 | 258 | //TODO: deal with errors like "ERROR: Failed to resolve name" |
mridup | 11:643a8c0f07ea | 259 | //TODO: deal with errors like "ERROR: Data mode not available" |
mridup | 3:2af9df1068a5 | 260 | } |
mridup | 0:9e5d98ceea74 | 261 | |
mridup | 3:2af9df1068a5 | 262 | return true; |
mridup | 0:9e5d98ceea74 | 263 | } |
mridup | 0:9e5d98ceea74 | 264 | |
mridup | 0:9e5d98ceea74 | 265 | bool SPWFSA01::send(int id, const void *data, uint32_t amount) |
mridup | 11:643a8c0f07ea | 266 | { |
mridup | 11:643a8c0f07ea | 267 | char _buf[18]; |
mridup | 11:643a8c0f07ea | 268 | |
mridup | 11:643a8c0f07ea | 269 | setTimeout(SPWFSA01_SEND_TIMEOUT); |
mridup | 11:643a8c0f07ea | 270 | |
mridup | 11:643a8c0f07ea | 271 | sprintf((char*)_buf,"AT+S.SOCKW=%d,%d\r", id, amount); |
mridup | 11:643a8c0f07ea | 272 | |
mridup | 0:9e5d98ceea74 | 273 | //May take a second try if device is busy |
mridup | 0:9e5d98ceea74 | 274 | for (unsigned i = 0; i < 2; i++) { |
mridup | 11:643a8c0f07ea | 275 | if (_parser.write((char*)_buf, strlen(_buf)) >=0 |
mridup | 7:551de95939e2 | 276 | && _parser.write((char*)data, (int)amount) >= 0 |
mridup | 7:551de95939e2 | 277 | && _parser.recv("OK")) { |
mridup | 0:9e5d98ceea74 | 278 | return true; |
mridup | 0:9e5d98ceea74 | 279 | } |
mridup | 0:9e5d98ceea74 | 280 | } |
mridup | 0:9e5d98ceea74 | 281 | |
mridup | 0:9e5d98ceea74 | 282 | return false; |
mridup | 0:9e5d98ceea74 | 283 | } |
mridup | 0:9e5d98ceea74 | 284 | |
mridup | 0:9e5d98ceea74 | 285 | int32_t SPWFSA01::recv(int id, void *data, uint32_t amount) |
mridup | 0:9e5d98ceea74 | 286 | { |
mridup | 13:f21e4e73bbb6 | 287 | uint32_t recv_amount, read_amt; |
mridup | 0:9e5d98ceea74 | 288 | int recv_id; |
mridup | 13:f21e4e73bbb6 | 289 | char _buf[18]; |
mridup | 0:9e5d98ceea74 | 290 | |
mridup | 7:551de95939e2 | 291 | if (!(_parser.recv("+WIND:55:Pending Data:%d:%u", &recv_id, &recv_amount) |
mridup | 6:258b093eec08 | 292 | && recv_id == id |
mridup | 10:580379efe167 | 293 | //&& _parser.send("AT+S.SOCKQ=%d", id)//send a query (will be required for secure sockets) |
mridup | 10:580379efe167 | 294 | //&& _parser.recv(" DATALEN: %u", &recv_amount) |
mridup | 10:580379efe167 | 295 | //&& _parser.recv("OK") |
mridup | 13:f21e4e73bbb6 | 296 | && recv_amount <= amount)) { |
mridup | 13:f21e4e73bbb6 | 297 | return -1;//Block call |
mridup | 13:f21e4e73bbb6 | 298 | } |
mridup | 13:f21e4e73bbb6 | 299 | //&& sprintf((char*)_buf,"AT+S.SOCKR=%d,%d\r", id, recv_amount) |
mridup | 13:f21e4e73bbb6 | 300 | //&& _parser.write((char*)_buf, strlen(_buf)) |
mridup | 13:f21e4e73bbb6 | 301 | if (!_parser.send("AT+S.SOCKR=%d,%d", id, recv_amount)) { |
mridup | 13:f21e4e73bbb6 | 302 | //if error, resend SOCKR again to flush the socket |
mridup | 13:f21e4e73bbb6 | 303 | //This should prevent Error: Pending Data errors or the next WIND showing this pending data |
mridup | 13:f21e4e73bbb6 | 304 | sprintf((char*)_buf,"AT+S.SOCKR=%d,%d\r", id, recv_amount); |
mridup | 13:f21e4e73bbb6 | 305 | _parser.write((char*)_buf, strlen(_buf)); |
mridup | 13:f21e4e73bbb6 | 306 | debug_if(dbg_on, "SPWF> read send SOCKR error\r\n"); |
mridup | 13:f21e4e73bbb6 | 307 | return -2;//return NSAPI_ERROR_DEVICE_ERROR |
mridup | 13:f21e4e73bbb6 | 308 | } |
mridup | 13:f21e4e73bbb6 | 309 | |
mridup | 13:f21e4e73bbb6 | 310 | read_amt = _parser.read((char*)data, recv_amount); |
mridup | 13:f21e4e73bbb6 | 311 | if (read_amt<=0) { |
mridup | 13:f21e4e73bbb6 | 312 | debug_if(dbg_on, "SPWF> read recv SOCKR error: read_amt = %d\r\n", read_amt); |
mridup | 13:f21e4e73bbb6 | 313 | return -2;//return NSAPI_ERROR_DEVICE_ERROR |
mridup | 0:9e5d98ceea74 | 314 | } |
mridup | 13:f21e4e73bbb6 | 315 | |
mridup | 13:f21e4e73bbb6 | 316 | //Sometimes OK is not received because _parser.read() reads in ERROR statement. "E.g. ERROR: Command not found". |
mridup | 13:f21e4e73bbb6 | 317 | //ERROR statement hence takes up space in recv_amount and hence OK is not read as a result. |
mridup | 11:643a8c0f07ea | 318 | |
mridup | 13:f21e4e73bbb6 | 319 | if (!_parser.recv("OK")) { |
mridup | 13:f21e4e73bbb6 | 320 | debug_if(dbg_on, "SPWF> read recv SOCKR OK error\r\n"); |
mridup | 13:f21e4e73bbb6 | 321 | |
mridup | 13:f21e4e73bbb6 | 322 | if(std::strncmp("\r\nERROR: ", (const char* )data, 9)==0) { |
mridup | 13:f21e4e73bbb6 | 323 | debug_if(dbg_on, "SPWF> Module Error Reply\r\n"); |
mridup | 13:f21e4e73bbb6 | 324 | return -2; |
mridup | 13:f21e4e73bbb6 | 325 | } |
mridup | 13:f21e4e73bbb6 | 326 | |
mridup | 13:f21e4e73bbb6 | 327 | /*int i = 0; |
mridup | 13:f21e4e73bbb6 | 328 | char * buf = (char*)data; |
mridup | 13:f21e4e73bbb6 | 329 | |
mridup | 13:f21e4e73bbb6 | 330 | for ( ; i < recv_amount; i++) { |
mridup | 13:f21e4e73bbb6 | 331 | debug_if(dbg_on, ("%d = %c\r\n", i, buf[i]); |
mridup | 13:f21e4e73bbb6 | 332 | }*/ |
mridup | 13:f21e4e73bbb6 | 333 | return -2;//return NSAPI_ERROR_DEVICE_ERROR |
mridup | 13:f21e4e73bbb6 | 334 | } |
mridup | 11:643a8c0f07ea | 335 | |
mridup | 0:9e5d98ceea74 | 336 | return recv_amount; |
mridup | 0:9e5d98ceea74 | 337 | } |
mridup | 0:9e5d98ceea74 | 338 | |
mridup | 0:9e5d98ceea74 | 339 | bool SPWFSA01::close(int id) |
mridup | 0:9e5d98ceea74 | 340 | { |
mridup | 4:042d5b9bb6e7 | 341 | //May take a second try if device is busy or error is returned |
mridup | 0:9e5d98ceea74 | 342 | for (unsigned i = 0; i < 2; i++) { |
mridup | 4:042d5b9bb6e7 | 343 | if (_parser.send("AT+S.SOCKC=%d", id) |
mridup | 0:9e5d98ceea74 | 344 | && _parser.recv("OK")) { |
mridup | 0:9e5d98ceea74 | 345 | return true; |
mridup | 0:9e5d98ceea74 | 346 | } |
mridup | 7:551de95939e2 | 347 | else |
mridup | 7:551de95939e2 | 348 | { |
mridup | 7:551de95939e2 | 349 | if(_parser.recv("ERROR: Pending data")) |
mridup | 13:f21e4e73bbb6 | 350 | debug_if(dbg_on, "SPWF> ERROR!!!!\r\n"); |
mridup | 7:551de95939e2 | 351 | return false; |
mridup | 7:551de95939e2 | 352 | } |
mridup | 6:258b093eec08 | 353 | //TODO: Deal with "ERROR: Pending data" (Closing a socket with pending data) |
mridup | 0:9e5d98ceea74 | 354 | } |
mridup | 0:9e5d98ceea74 | 355 | |
mridup | 0:9e5d98ceea74 | 356 | return false; |
mridup | 0:9e5d98ceea74 | 357 | } |
mridup | 0:9e5d98ceea74 | 358 | |
mridup | 0:9e5d98ceea74 | 359 | void SPWFSA01::setTimeout(uint32_t timeout_ms) |
mridup | 0:9e5d98ceea74 | 360 | { |
mridup | 0:9e5d98ceea74 | 361 | _parser.setTimeout(timeout_ms); |
mridup | 0:9e5d98ceea74 | 362 | } |
mridup | 0:9e5d98ceea74 | 363 | |
mridup | 0:9e5d98ceea74 | 364 | bool SPWFSA01::readable() |
mridup | 0:9e5d98ceea74 | 365 | { |
mridup | 0:9e5d98ceea74 | 366 | return _serial.readable(); |
mridup | 0:9e5d98ceea74 | 367 | } |
mridup | 0:9e5d98ceea74 | 368 | |
mridup | 0:9e5d98ceea74 | 369 | bool SPWFSA01::writeable() |
mridup | 0:9e5d98ceea74 | 370 | { |
mridup | 0:9e5d98ceea74 | 371 | return _serial.writeable(); |
mridup | 0:9e5d98ceea74 | 372 | } |