discof746 ethernet+lcd
GroveStreams.cpp@0:8b675b2726b7, 2017-01-05 (annotated)
- Committer:
- mmills
- Date:
- Thu Jan 05 18:39:43 2017 +0000
- Revision:
- 0:8b675b2726b7
- Child:
- 1:e69854e65c88
Initial Revision.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
mmills | 0:8b675b2726b7 | 1 | /* |
mmills | 0:8b675b2726b7 | 2 | GroveStreams is a helper class to assist with pushing data into the |
mmills | 0:8b675b2726b7 | 3 | GroveStreams.com IoT platform. |
mmills | 0:8b675b2726b7 | 4 | |
mmills | 0:8b675b2726b7 | 5 | License: |
mmills | 0:8b675b2726b7 | 6 | Copyright (C) 2017 GroveStreams LLC. |
mmills | 0:8b675b2726b7 | 7 | Licensed under the Apache License, Version 2.0 (the "License"); |
mmills | 0:8b675b2726b7 | 8 | you may not use this file except in compliance with the License. |
mmills | 0:8b675b2726b7 | 9 | You may obtain a copy of the License at: http://www.apache.org/licenses/LICENSE-2.0 |
mmills | 0:8b675b2726b7 | 10 | |
mmills | 0:8b675b2726b7 | 11 | Unless required by applicable law or agreed to in writing, software |
mmills | 0:8b675b2726b7 | 12 | distributed under the License is distributed on an "AS IS" BASIS, |
mmills | 0:8b675b2726b7 | 13 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
mmills | 0:8b675b2726b7 | 14 | See the License for the specific language governing permissions and |
mmills | 0:8b675b2726b7 | 15 | limitations under the License. |
mmills | 0:8b675b2726b7 | 16 | */ |
mmills | 0:8b675b2726b7 | 17 | |
mmills | 0:8b675b2726b7 | 18 | #include "GroveStreams.h" |
mmills | 0:8b675b2726b7 | 19 | |
mmills | 0:8b675b2726b7 | 20 | GroveStreams::GroveStreams(const char* apiKey, LcdDiscoF746NgTracer* pLcd) |
mmills | 0:8b675b2726b7 | 21 | { |
mmills | 0:8b675b2726b7 | 22 | init(apiKey, pLcd); |
mmills | 0:8b675b2726b7 | 23 | } |
mmills | 0:8b675b2726b7 | 24 | |
mmills | 0:8b675b2726b7 | 25 | GroveStreams::GroveStreams(const char* apiKey) |
mmills | 0:8b675b2726b7 | 26 | { |
mmills | 0:8b675b2726b7 | 27 | init(apiKey, NULL); |
mmills | 0:8b675b2726b7 | 28 | } |
mmills | 0:8b675b2726b7 | 29 | |
mmills | 0:8b675b2726b7 | 30 | GroveStreams::~GroveStreams() { |
mmills | 0:8b675b2726b7 | 31 | _eth.disconnect(); |
mmills | 0:8b675b2726b7 | 32 | } |
mmills | 0:8b675b2726b7 | 33 | |
mmills | 0:8b675b2726b7 | 34 | int GroveStreams::init(const char* apiKey, LcdDiscoF746NgTracer* pLcd) |
mmills | 0:8b675b2726b7 | 35 | { |
mmills | 0:8b675b2726b7 | 36 | _domain = "grovestreams.com"; |
mmills | 0:8b675b2726b7 | 37 | _port = 80; |
mmills | 0:8b675b2726b7 | 38 | _apiKey = apiKey; |
mmills | 0:8b675b2726b7 | 39 | _myIPAddress = NULL; //Don't Change. Set below from DHCP. Needed by GroveStreams to verify that a device is not uploading more than once every 10s. |
mmills | 0:8b675b2726b7 | 40 | _pLcd = pLcd; |
mmills | 0:8b675b2726b7 | 41 | |
mmills | 0:8b675b2726b7 | 42 | return startEthernet(); |
mmills | 0:8b675b2726b7 | 43 | } |
mmills | 0:8b675b2726b7 | 44 | |
mmills | 0:8b675b2726b7 | 45 | void GroveStreams::printf(const char* format, ...) |
mmills | 0:8b675b2726b7 | 46 | { |
mmills | 0:8b675b2726b7 | 47 | |
mmills | 0:8b675b2726b7 | 48 | va_list args; |
mmills | 0:8b675b2726b7 | 49 | va_start(args, format); |
mmills | 0:8b675b2726b7 | 50 | |
mmills | 0:8b675b2726b7 | 51 | if (_pLcd != NULL) { |
mmills | 0:8b675b2726b7 | 52 | char sbuffer[512]; |
mmills | 0:8b675b2726b7 | 53 | vsprintf(sbuffer, format, args); |
mmills | 0:8b675b2726b7 | 54 | _pLcd->println(sbuffer); |
mmills | 0:8b675b2726b7 | 55 | } else { |
mmills | 0:8b675b2726b7 | 56 | vprintf(format, args); |
mmills | 0:8b675b2726b7 | 57 | } |
mmills | 0:8b675b2726b7 | 58 | |
mmills | 0:8b675b2726b7 | 59 | va_end(args); |
mmills | 0:8b675b2726b7 | 60 | } |
mmills | 0:8b675b2726b7 | 61 | |
mmills | 0:8b675b2726b7 | 62 | unsigned long GroveStreams::send(const char* componentId, const char* samples) |
mmills | 0:8b675b2726b7 | 63 | { |
mmills | 0:8b675b2726b7 | 64 | char resultBuffer[256]= {0}; |
mmills | 0:8b675b2726b7 | 65 | return send(componentId, samples, NULL, NULL, resultBuffer, sizeof resultBuffer); |
mmills | 0:8b675b2726b7 | 66 | } |
mmills | 0:8b675b2726b7 | 67 | |
mmills | 0:8b675b2726b7 | 68 | unsigned long GroveStreams::send(const char* componentId, const char* samples, char* resultBuffer, size_t resultBufferSize) |
mmills | 0:8b675b2726b7 | 69 | { |
mmills | 0:8b675b2726b7 | 70 | return send(componentId, samples, NULL, NULL, resultBuffer, resultBufferSize); |
mmills | 0:8b675b2726b7 | 71 | } |
mmills | 0:8b675b2726b7 | 72 | |
mmills | 0:8b675b2726b7 | 73 | unsigned long GroveStreams::send(const char* componentId, const char* samples, const char* componentName, |
mmills | 0:8b675b2726b7 | 74 | const char* compTmplId, char* resultBuffer, size_t resultBufferSize) |
mmills | 0:8b675b2726b7 | 75 | { |
mmills | 0:8b675b2726b7 | 76 | int failedCounter = 0; |
mmills | 0:8b675b2726b7 | 77 | int result = 1; |
mmills | 0:8b675b2726b7 | 78 | |
mmills | 0:8b675b2726b7 | 79 | while (failedCounter < 3 && result != 0) { |
mmills | 0:8b675b2726b7 | 80 | |
mmills | 0:8b675b2726b7 | 81 | result = sendNoRetry(componentId, samples, componentName, compTmplId, resultBuffer, resultBufferSize); |
mmills | 0:8b675b2726b7 | 82 | |
mmills | 0:8b675b2726b7 | 83 | this->printf("send result code: %d", result); |
mmills | 0:8b675b2726b7 | 84 | |
mmills | 0:8b675b2726b7 | 85 | if (result != 0) { |
mmills | 0:8b675b2726b7 | 86 | //Wait and try again |
mmills | 0:8b675b2726b7 | 87 | failedCounter++; |
mmills | 0:8b675b2726b7 | 88 | this->printf("send failed %d times", failedCounter); |
mmills | 0:8b675b2726b7 | 89 | wait(2); |
mmills | 0:8b675b2726b7 | 90 | } |
mmills | 0:8b675b2726b7 | 91 | |
mmills | 0:8b675b2726b7 | 92 | if (failedCounter > 3 ) { |
mmills | 0:8b675b2726b7 | 93 | this->printf("Too many failures. Restarting Ethernet."); |
mmills | 0:8b675b2726b7 | 94 | startEthernet(); |
mmills | 0:8b675b2726b7 | 95 | } |
mmills | 0:8b675b2726b7 | 96 | } |
mmills | 0:8b675b2726b7 | 97 | |
mmills | 0:8b675b2726b7 | 98 | return result; |
mmills | 0:8b675b2726b7 | 99 | } |
mmills | 0:8b675b2726b7 | 100 | |
mmills | 0:8b675b2726b7 | 101 | unsigned long GroveStreams::sendNoRetry(const char* componentId, const char* samples, const char* componentName, |
mmills | 0:8b675b2726b7 | 102 | const char* compTmplId, char* resultBuffer, size_t resultBufferSize) |
mmills | 0:8b675b2726b7 | 103 | { |
mmills | 0:8b675b2726b7 | 104 | //Assemble the url that is used to pass the temperature readings to GroveStreams and call it |
mmills | 0:8b675b2726b7 | 105 | |
mmills | 0:8b675b2726b7 | 106 | network::tcp::Socket socket; |
mmills | 0:8b675b2726b7 | 107 | |
mmills | 0:8b675b2726b7 | 108 | int openResult = socket.open(); |
mmills | 0:8b675b2726b7 | 109 | if (openResult == 0) { |
mmills | 0:8b675b2726b7 | 110 | |
mmills | 0:8b675b2726b7 | 111 | int connResult = socket.connect(_domain, _port); |
mmills | 0:8b675b2726b7 | 112 | if(connResult == 0) { |
mmills | 0:8b675b2726b7 | 113 | |
mmills | 0:8b675b2726b7 | 114 | char compNamePart[100] = {0}; |
mmills | 0:8b675b2726b7 | 115 | if (strlen(componentName) > 0) { |
mmills | 0:8b675b2726b7 | 116 | sprintf(compNamePart, "&compName=%s",componentName); |
mmills | 0:8b675b2726b7 | 117 | } |
mmills | 0:8b675b2726b7 | 118 | |
mmills | 0:8b675b2726b7 | 119 | char compTmplIdPart[100] = {0}; |
mmills | 0:8b675b2726b7 | 120 | if (strlen(compTmplId) > 0) { |
mmills | 0:8b675b2726b7 | 121 | sprintf(compTmplIdPart, "&compTmplId=%s",compTmplId); |
mmills | 0:8b675b2726b7 | 122 | } |
mmills | 0:8b675b2726b7 | 123 | |
mmills | 0:8b675b2726b7 | 124 | //You may need to increase the size of sbuffer if any other char array sizes have increased |
mmills | 0:8b675b2726b7 | 125 | char sbuffer[512]= {0}; |
mmills | 0:8b675b2726b7 | 126 | |
mmills | 0:8b675b2726b7 | 127 | sprintf(sbuffer, "PUT /api/feed?compId=%s%s%s&api_key=%s%s HTTP/1.1\r\nHost: \r\nConnection: close\r\nX-Forwarded-For:%s\r\n\r\n", |
mmills | 0:8b675b2726b7 | 128 | componentId, compTmplIdPart, compNamePart, _apiKey, samples, _myIPAddress); |
mmills | 0:8b675b2726b7 | 129 | |
mmills | 0:8b675b2726b7 | 130 | this->printf("send sbuffer size: %d", strlen(sbuffer)); |
mmills | 0:8b675b2726b7 | 131 | |
mmills | 0:8b675b2726b7 | 132 | int scount = socket.write(sbuffer, strlen(sbuffer)); |
mmills | 0:8b675b2726b7 | 133 | this->printf("sent %d bytes: [%.*s]", scount, strstr(sbuffer, "\r\n")-sbuffer, sbuffer); |
mmills | 0:8b675b2726b7 | 134 | |
mmills | 0:8b675b2726b7 | 135 | //Read status line |
mmills | 0:8b675b2726b7 | 136 | |
mmills | 0:8b675b2726b7 | 137 | int rcount = socket.read(resultBuffer, resultBufferSize); |
mmills | 0:8b675b2726b7 | 138 | |
mmills | 0:8b675b2726b7 | 139 | this->printf("HTTP Response size: %d bytes", rcount); |
mmills | 0:8b675b2726b7 | 140 | this->printf("HTTP Response Status:[%.*s]", strstr(resultBuffer, "\r\n")-resultBuffer, resultBuffer); |
mmills | 0:8b675b2726b7 | 141 | |
mmills | 0:8b675b2726b7 | 142 | //Only return the body |
mmills | 0:8b675b2726b7 | 143 | strcpy(resultBuffer, strstr(resultBuffer, "\r\n\r\n") + strlen("\r\n\r\n")); |
mmills | 0:8b675b2726b7 | 144 | strcat(resultBuffer, "\0"); |
mmills | 0:8b675b2726b7 | 145 | this->printf("HTTP Body: [%s]", resultBuffer); |
mmills | 0:8b675b2726b7 | 146 | |
mmills | 0:8b675b2726b7 | 147 | socket.close(); |
mmills | 0:8b675b2726b7 | 148 | } else { |
mmills | 0:8b675b2726b7 | 149 | |
mmills | 0:8b675b2726b7 | 150 | this->printf("Socket Connect Failed: %d", connResult); |
mmills | 0:8b675b2726b7 | 151 | } |
mmills | 0:8b675b2726b7 | 152 | |
mmills | 0:8b675b2726b7 | 153 | } else { |
mmills | 0:8b675b2726b7 | 154 | this->printf("Socket Open Failed: %d", openResult); |
mmills | 0:8b675b2726b7 | 155 | socket.close(); |
mmills | 0:8b675b2726b7 | 156 | return 1; |
mmills | 0:8b675b2726b7 | 157 | } |
mmills | 0:8b675b2726b7 | 158 | |
mmills | 0:8b675b2726b7 | 159 | return 0; |
mmills | 0:8b675b2726b7 | 160 | } |
mmills | 0:8b675b2726b7 | 161 | |
mmills | 0:8b675b2726b7 | 162 | |
mmills | 0:8b675b2726b7 | 163 | int GroveStreams::startEthernet() |
mmills | 0:8b675b2726b7 | 164 | { |
mmills | 0:8b675b2726b7 | 165 | //Start or restart the Ethernet connection. |
mmills | 0:8b675b2726b7 | 166 | int result = _eth.disconnect(); |
mmills | 0:8b675b2726b7 | 167 | if (result != 0) { |
mmills | 0:8b675b2726b7 | 168 | this->printf("Ethernet diconnect Failed: %d", result); |
mmills | 0:8b675b2726b7 | 169 | return result; |
mmills | 0:8b675b2726b7 | 170 | } |
mmills | 0:8b675b2726b7 | 171 | |
mmills | 0:8b675b2726b7 | 172 | this->printf("Connecting STM32 to network..."); |
mmills | 0:8b675b2726b7 | 173 | |
mmills | 0:8b675b2726b7 | 174 | //Connect to the network and obtain an IP address using DHCP |
mmills | 0:8b675b2726b7 | 175 | result = _eth.init(); |
mmills | 0:8b675b2726b7 | 176 | if (result != 0) { |
mmills | 0:8b675b2726b7 | 177 | this->printf("Ethernet init Failed: %d", result); |
mmills | 0:8b675b2726b7 | 178 | return result; |
mmills | 0:8b675b2726b7 | 179 | } |
mmills | 0:8b675b2726b7 | 180 | |
mmills | 0:8b675b2726b7 | 181 | result = _eth.connect(); |
mmills | 0:8b675b2726b7 | 182 | if (result != 0) { |
mmills | 0:8b675b2726b7 | 183 | this->printf("Ethernet connect Failed: %d", result); |
mmills | 0:8b675b2726b7 | 184 | return result; |
mmills | 0:8b675b2726b7 | 185 | } else { |
mmills | 0:8b675b2726b7 | 186 | this->printf("STM32 connected to network"); |
mmills | 0:8b675b2726b7 | 187 | |
mmills | 0:8b675b2726b7 | 188 | //Set the mac and ip variables so that they can be used during sensor uploads later |
mmills | 0:8b675b2726b7 | 189 | _myIPAddress = _eth.getIPAddress(); |
mmills | 0:8b675b2726b7 | 190 | |
mmills | 0:8b675b2726b7 | 191 | this->printf("IP address: %s", _myIPAddress ? _myIPAddress : "No IP"); |
mmills | 0:8b675b2726b7 | 192 | } |
mmills | 0:8b675b2726b7 | 193 | |
mmills | 0:8b675b2726b7 | 194 | return 0; |
mmills | 0:8b675b2726b7 | 195 | } |
mmills | 0:8b675b2726b7 | 196 | |
mmills | 0:8b675b2726b7 | 197 | const char* GroveStreams::getMACAddress() |
mmills | 0:8b675b2726b7 | 198 | { |
mmills | 0:8b675b2726b7 | 199 | return _eth.getMACAddress(); |
mmills | 0:8b675b2726b7 | 200 | } |