plotly interface based on ardunio sample code
Library for plotting a simple x/y scatter chart on the plot.ly website.
See plotly_HelloWorld for sample usage.
plotly.cpp@0:96532c59670f, 2014-07-02 (annotated)
- Committer:
- AndyA
- Date:
- Wed Jul 02 08:47:09 2014 +0000
- Revision:
- 0:96532c59670f
- Child:
- 1:d532e96fca12
First pass based on ardunio sample network code. Not currently working.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AndyA | 0:96532c59670f | 1 | #include "plotly.h" |
AndyA | 0:96532c59670f | 2 | #include "mbed.h" |
AndyA | 0:96532c59670f | 3 | |
AndyA | 0:96532c59670f | 4 | #define plotlyURL "plot.ly" |
AndyA | 0:96532c59670f | 5 | |
AndyA | 0:96532c59670f | 6 | #define dataURL "arduino.plot.ly" |
AndyA | 0:96532c59670f | 7 | |
AndyA | 0:96532c59670f | 8 | |
AndyA | 0:96532c59670f | 9 | //#define plotlyURL "192.168.1.87" |
AndyA | 0:96532c59670f | 10 | //#define dataURL "192.168.1.87" |
AndyA | 0:96532c59670f | 11 | |
AndyA | 0:96532c59670f | 12 | plotly::plotly(char *username, char *api_key, char* stream_tokens[], char *filename, int nTraces) |
AndyA | 0:96532c59670f | 13 | { |
AndyA | 0:96532c59670f | 14 | log_level = 0; // 0 = Debugging, 1 = Informational, 2 = Status, 3 = Errors, 4 = Quiet (// Serial Off) |
AndyA | 0:96532c59670f | 15 | dry_run = false; |
AndyA | 0:96532c59670f | 16 | username_ = username; |
AndyA | 0:96532c59670f | 17 | api_key_ = api_key; |
AndyA | 0:96532c59670f | 18 | stream_tokens_ = stream_tokens; |
AndyA | 0:96532c59670f | 19 | filename_ = filename; |
AndyA | 0:96532c59670f | 20 | nTraces_ = nTraces; |
AndyA | 0:96532c59670f | 21 | maxpoints = 30; |
AndyA | 0:96532c59670f | 22 | fibonacci_ = 1; |
AndyA | 0:96532c59670f | 23 | world_readable = true; |
AndyA | 0:96532c59670f | 24 | convertTimestamp = true; |
AndyA | 0:96532c59670f | 25 | timezone = "America/Montreal"; |
AndyA | 0:96532c59670f | 26 | fileopt = "overwrite"; |
AndyA | 0:96532c59670f | 27 | } |
AndyA | 0:96532c59670f | 28 | |
AndyA | 0:96532c59670f | 29 | |
AndyA | 0:96532c59670f | 30 | plotly::~plotly() { |
AndyA | 0:96532c59670f | 31 | closeStream(); |
AndyA | 0:96532c59670f | 32 | } |
AndyA | 0:96532c59670f | 33 | |
AndyA | 0:96532c59670f | 34 | bool plotly::init() |
AndyA | 0:96532c59670f | 35 | { |
AndyA | 0:96532c59670f | 36 | |
AndyA | 0:96532c59670f | 37 | // |
AndyA | 0:96532c59670f | 38 | // Validate a stream with a REST post to plotly |
AndyA | 0:96532c59670f | 39 | // |
AndyA | 0:96532c59670f | 40 | if(dry_run && log_level < 3) { |
AndyA | 0:96532c59670f | 41 | fprintf(stderr,"... This is a dry run, we are not connecting to plotly's servers...\n"); |
AndyA | 0:96532c59670f | 42 | } else if(log_level < 3) { |
AndyA | 0:96532c59670f | 43 | fprintf(stderr,"... Attempting to connect to plotly's REST servers\n"); |
AndyA | 0:96532c59670f | 44 | } |
AndyA | 0:96532c59670f | 45 | |
AndyA | 0:96532c59670f | 46 | while ( !socket.connect(plotlyURL, 80) ) { |
AndyA | 0:96532c59670f | 47 | if(log_level < 4) { |
AndyA | 0:96532c59670f | 48 | fprintf(stderr,"... Couldn\'t connect to plotly's REST servers... trying again!\n"); |
AndyA | 0:96532c59670f | 49 | } |
AndyA | 0:96532c59670f | 50 | fibonacci_ += fibonacci_; |
AndyA | 0:96532c59670f | 51 | wait(10); |
AndyA | 0:96532c59670f | 52 | } |
AndyA | 0:96532c59670f | 53 | fibonacci_ = 1; |
AndyA | 0:96532c59670f | 54 | if(log_level < 3) {} fprintf(stderr,"... Connected to plotly's REST servers\n"); |
AndyA | 0:96532c59670f | 55 | if(log_level < 3) {} fprintf(stderr,"... Sending HTTP Post to plotly\n"); |
AndyA | 0:96532c59670f | 56 | print_("POST /clientresp HTTP/1.1\r\n"); |
AndyA | 0:96532c59670f | 57 | print_("Host: 107.21.214.199\r\n"); |
AndyA | 0:96532c59670f | 58 | print_("User-Agent: Arduino/0.5.1\r\n"); |
AndyA | 0:96532c59670f | 59 | |
AndyA | 0:96532c59670f | 60 | print_("Content-Length: "); |
AndyA | 0:96532c59670f | 61 | int contentLength = 126 + len_(username_) + len_(fileopt) + nTraces_*(87+len_(maxpoints)) + (nTraces_-1)*2 + len_(filename_); |
AndyA | 0:96532c59670f | 62 | if(world_readable) { |
AndyA | 0:96532c59670f | 63 | contentLength += 4; |
AndyA | 0:96532c59670f | 64 | } else { |
AndyA | 0:96532c59670f | 65 | contentLength += 5; |
AndyA | 0:96532c59670f | 66 | } |
AndyA | 0:96532c59670f | 67 | print_(contentLength); |
AndyA | 0:96532c59670f | 68 | // contentLength = |
AndyA | 0:96532c59670f | 69 | // 44 // first part of querystring below |
AndyA | 0:96532c59670f | 70 | // + len_(username) // upper bound on username length |
AndyA | 0:96532c59670f | 71 | // + 5 // &key= |
AndyA | 0:96532c59670f | 72 | // + 10 // api_key length |
AndyA | 0:96532c59670f | 73 | // + 7 // &args=[... |
AndyA | 0:96532c59670f | 74 | // + nTraces*(87+len(maxpoints)) // len({\"y\": [], \"x\": [], \"type\": \"scatter\", \"stream\": {\"token\": \") + 10 + len(\", "maxpoints": )+len(maxpoints)+len(}}) |
AndyA | 0:96532c59670f | 75 | // + (nTraces-1)*2 // ", " in between trace objects |
AndyA | 0:96532c59670f | 76 | // + 22 // ]&kwargs={\"fileopt\": \" |
AndyA | 0:96532c59670f | 77 | // + len_(fileopt) |
AndyA | 0:96532c59670f | 78 | // + 16 // \", \"filename\": \" |
AndyA | 0:96532c59670f | 79 | // + len_(filename) |
AndyA | 0:96532c59670f | 80 | // + 21 // ", "world_readable": |
AndyA | 0:96532c59670f | 81 | // + 4 if world_readable, 5 otherwise |
AndyA | 0:96532c59670f | 82 | // + 1 // closing } |
AndyA | 0:96532c59670f | 83 | //------ |
AndyA | 0:96532c59670f | 84 | // 126 + len_(username) + len_(fileopt) + nTraces*(86+len(maxpoints)) + (nTraces-1)*2 + len_(filename) |
AndyA | 0:96532c59670f | 85 | // |
AndyA | 0:96532c59670f | 86 | // Terminate headers with new lines |
AndyA | 0:96532c59670f | 87 | print_("\r\n\r\n"); |
AndyA | 0:96532c59670f | 88 | |
AndyA | 0:96532c59670f | 89 | // Start printing querystring body |
AndyA | 0:96532c59670f | 90 | print_("version=2.2&origin=plot&platform=arduino&un="); |
AndyA | 0:96532c59670f | 91 | print_(username_); |
AndyA | 0:96532c59670f | 92 | print_("&key="); |
AndyA | 0:96532c59670f | 93 | print_(api_key_); |
AndyA | 0:96532c59670f | 94 | print_("&args=["); |
AndyA | 0:96532c59670f | 95 | // print a trace for each token supplied |
AndyA | 0:96532c59670f | 96 | for(int i=0; i<nTraces_; i++) { |
AndyA | 0:96532c59670f | 97 | print_("{\"y\": [], \"x\": [], \"type\": \"scatter\", \"stream\": {\"token\": \""); |
AndyA | 0:96532c59670f | 98 | print_(stream_tokens_[i]); |
AndyA | 0:96532c59670f | 99 | print_("\", \"maxpoints\": "); |
AndyA | 0:96532c59670f | 100 | print_(maxpoints); |
AndyA | 0:96532c59670f | 101 | print_("}}"); |
AndyA | 0:96532c59670f | 102 | if(nTraces_ > 1 && i != nTraces_-1) { |
AndyA | 0:96532c59670f | 103 | print_(", "); |
AndyA | 0:96532c59670f | 104 | } |
AndyA | 0:96532c59670f | 105 | } |
AndyA | 0:96532c59670f | 106 | print_("]&kwargs={\"fileopt\": \""); |
AndyA | 0:96532c59670f | 107 | print_(fileopt); |
AndyA | 0:96532c59670f | 108 | print_("\", \"filename\": \""); |
AndyA | 0:96532c59670f | 109 | print_(filename_); |
AndyA | 0:96532c59670f | 110 | print_("\", \"world_readable\": "); |
AndyA | 0:96532c59670f | 111 | if(world_readable) { |
AndyA | 0:96532c59670f | 112 | print_("true"); |
AndyA | 0:96532c59670f | 113 | } else { |
AndyA | 0:96532c59670f | 114 | print_("false"); |
AndyA | 0:96532c59670f | 115 | } |
AndyA | 0:96532c59670f | 116 | print_("}"); |
AndyA | 0:96532c59670f | 117 | // final newline to terminate the POST |
AndyA | 0:96532c59670f | 118 | print_("\r\n"); |
AndyA | 0:96532c59670f | 119 | |
AndyA | 0:96532c59670f | 120 | // |
AndyA | 0:96532c59670f | 121 | // Wait for a response |
AndyA | 0:96532c59670f | 122 | // Parse the response for the "All Streams Go!" and proceed to streaming |
AndyA | 0:96532c59670f | 123 | // if we find it |
AndyA | 0:96532c59670f | 124 | // |
AndyA | 0:96532c59670f | 125 | char allStreamsGo[] = "All Streams Go!"; |
AndyA | 0:96532c59670f | 126 | char error[] = "\"error\": \""; |
AndyA | 0:96532c59670f | 127 | int asgCnt = 0; // asg stands for All Streams Go |
AndyA | 0:96532c59670f | 128 | char url[] = "\"url\": \"http://107.21.214.199/~"; |
AndyA | 0:96532c59670f | 129 | char fid[4]; |
AndyA | 0:96532c59670f | 130 | int fidCnt = 0; |
AndyA | 0:96532c59670f | 131 | int urlCnt = 0; |
AndyA | 0:96532c59670f | 132 | int usernameCnt = 0; |
AndyA | 0:96532c59670f | 133 | int urlLower = 0; |
AndyA | 0:96532c59670f | 134 | int urlUpper = 0; |
AndyA | 0:96532c59670f | 135 | bool proceed = false; |
AndyA | 0:96532c59670f | 136 | bool fidMatched = false; |
AndyA | 0:96532c59670f | 137 | char c; |
AndyA | 0:96532c59670f | 138 | |
AndyA | 0:96532c59670f | 139 | if(log_level < 2) { |
AndyA | 0:96532c59670f | 140 | fprintf(stderr,"... Sent message, waiting for plotly's response...\n"); |
AndyA | 0:96532c59670f | 141 | } |
AndyA | 0:96532c59670f | 142 | |
AndyA | 0:96532c59670f | 143 | if(!dry_run) { |
AndyA | 0:96532c59670f | 144 | while(!proceed) { |
AndyA | 0:96532c59670f | 145 | uint32_t dataIn = socket.receive_all(rxBuffer,127); |
AndyA | 0:96532c59670f | 146 | if(dataIn > 0) { |
AndyA | 0:96532c59670f | 147 | rxBuffer[dataIn]=0; |
AndyA | 0:96532c59670f | 148 | |
AndyA | 0:96532c59670f | 149 | if(log_level < 2) fprintf(stderr,rxBuffer); |
AndyA | 0:96532c59670f | 150 | |
AndyA | 0:96532c59670f | 151 | for (int i = 0; i<dataIn; i++) { |
AndyA | 0:96532c59670f | 152 | c = rxBuffer[i]; |
AndyA | 0:96532c59670f | 153 | // |
AndyA | 0:96532c59670f | 154 | // Attempt to read the "All streams go" msg if it exists |
AndyA | 0:96532c59670f | 155 | // by comparing characters as they roll in |
AndyA | 0:96532c59670f | 156 | // |
AndyA | 0:96532c59670f | 157 | |
AndyA | 0:96532c59670f | 158 | if(asgCnt == len_(allStreamsGo) && !proceed) { |
AndyA | 0:96532c59670f | 159 | proceed = true; |
AndyA | 0:96532c59670f | 160 | } else if(allStreamsGo[asgCnt]==c) { |
AndyA | 0:96532c59670f | 161 | asgCnt += 1; |
AndyA | 0:96532c59670f | 162 | } else if(asgCnt > 0) { |
AndyA | 0:96532c59670f | 163 | // reset counter |
AndyA | 0:96532c59670f | 164 | asgCnt = 0; |
AndyA | 0:96532c59670f | 165 | } |
AndyA | 0:96532c59670f | 166 | |
AndyA | 0:96532c59670f | 167 | // |
AndyA | 0:96532c59670f | 168 | // Extract the last bit of the URL from the response |
AndyA | 0:96532c59670f | 169 | // The url is in the form http://107.21.214.199/~USERNAME/FID |
AndyA | 0:96532c59670f | 170 | // We'll character-count up through char url[] and through username_, then start |
AndyA | 0:96532c59670f | 171 | // filling in characters into fid |
AndyA | 0:96532c59670f | 172 | // |
AndyA | 0:96532c59670f | 173 | |
AndyA | 0:96532c59670f | 174 | if(log_level < 3) { |
AndyA | 0:96532c59670f | 175 | if(url[urlCnt]==c && urlCnt < len_(url)) { |
AndyA | 0:96532c59670f | 176 | urlCnt += 1; |
AndyA | 0:96532c59670f | 177 | } else if(urlCnt > 0 && urlCnt < len_(url)) { |
AndyA | 0:96532c59670f | 178 | // Reset counter |
AndyA | 0:96532c59670f | 179 | urlCnt = 0; |
AndyA | 0:96532c59670f | 180 | } |
AndyA | 0:96532c59670f | 181 | if(urlCnt == len_(url) && fidCnt < 4 && !fidMatched) { |
AndyA | 0:96532c59670f | 182 | // We've counted through the url, start counting through the username |
AndyA | 0:96532c59670f | 183 | if(usernameCnt < len_(username_)+2) { |
AndyA | 0:96532c59670f | 184 | usernameCnt += 1; |
AndyA | 0:96532c59670f | 185 | } else { |
AndyA | 0:96532c59670f | 186 | // the url ends with " |
AndyA | 0:96532c59670f | 187 | if(c != '"') { |
AndyA | 0:96532c59670f | 188 | fid[fidCnt] = c; |
AndyA | 0:96532c59670f | 189 | fidCnt += 1; |
AndyA | 0:96532c59670f | 190 | } else if(fidCnt>0) { |
AndyA | 0:96532c59670f | 191 | fidMatched = true; |
AndyA | 0:96532c59670f | 192 | } |
AndyA | 0:96532c59670f | 193 | |
AndyA | 0:96532c59670f | 194 | } |
AndyA | 0:96532c59670f | 195 | } |
AndyA | 0:96532c59670f | 196 | } |
AndyA | 0:96532c59670f | 197 | } |
AndyA | 0:96532c59670f | 198 | } |
AndyA | 0:96532c59670f | 199 | wait(0.1); |
AndyA | 0:96532c59670f | 200 | } |
AndyA | 0:96532c59670f | 201 | } |
AndyA | 0:96532c59670f | 202 | |
AndyA | 0:96532c59670f | 203 | if(!dry_run && !proceed && log_level < 4) { |
AndyA | 0:96532c59670f | 204 | fprintf(stderr,"... Error initializing stream, aborting. Try again or get in touch with Chris at chris@plot.ly\n"); |
AndyA | 0:96532c59670f | 205 | } |
AndyA | 0:96532c59670f | 206 | |
AndyA | 0:96532c59670f | 207 | if(!dry_run && proceed && log_level < 3) { |
AndyA | 0:96532c59670f | 208 | fprintf(stderr,"... A-ok from plotly, All Streams Go!\n"); |
AndyA | 0:96532c59670f | 209 | if(fidMatched) { |
AndyA | 0:96532c59670f | 210 | fprintf(stderr,"... View your streaming plot here: https://plot.ly/~"); |
AndyA | 0:96532c59670f | 211 | fprintf(stderr,username_); |
AndyA | 0:96532c59670f | 212 | fprintf(stderr,"/"); |
AndyA | 0:96532c59670f | 213 | for(int i=0; i<fidCnt; i++) { |
AndyA | 0:96532c59670f | 214 | fprintf(stderr,"%d ",fid[i]); |
AndyA | 0:96532c59670f | 215 | } |
AndyA | 0:96532c59670f | 216 | fprintf(stderr,"\n"); |
AndyA | 0:96532c59670f | 217 | } |
AndyA | 0:96532c59670f | 218 | } |
AndyA | 0:96532c59670f | 219 | return proceed; |
AndyA | 0:96532c59670f | 220 | } |
AndyA | 0:96532c59670f | 221 | |
AndyA | 0:96532c59670f | 222 | void plotly::openStream() |
AndyA | 0:96532c59670f | 223 | { |
AndyA | 0:96532c59670f | 224 | // |
AndyA | 0:96532c59670f | 225 | // Start request to stream servers |
AndyA | 0:96532c59670f | 226 | // |
AndyA | 0:96532c59670f | 227 | if(log_level < 3) {} fprintf(stderr,"... Connecting to plotly's streaming servers...\n"); |
AndyA | 0:96532c59670f | 228 | char server[] = dataURL; |
AndyA | 0:96532c59670f | 229 | int port = 80; |
AndyA | 0:96532c59670f | 230 | while ( !socket.connect(server, port) ) { |
AndyA | 0:96532c59670f | 231 | if(log_level < 4) fprintf(stderr,"... Couldn\'t connect to servers... trying again!\n"); |
AndyA | 0:96532c59670f | 232 | fibonacci_ += fibonacci_; |
AndyA | 0:96532c59670f | 233 | wait(10); |
AndyA | 0:96532c59670f | 234 | } |
AndyA | 0:96532c59670f | 235 | fibonacci_ = 1; |
AndyA | 0:96532c59670f | 236 | if(log_level < 3) {} fprintf(stderr,"... Connected to plotly's streaming servers\n... Initializing stream\n"); |
AndyA | 0:96532c59670f | 237 | |
AndyA | 0:96532c59670f | 238 | print_("POST / HTTP/1.1\r\n"); |
AndyA | 0:96532c59670f | 239 | print_("Host: 127.0.0.1\r\n"); |
AndyA | 0:96532c59670f | 240 | print_("User-Agent: Python\r\n"); |
AndyA | 0:96532c59670f | 241 | print_("Transfer-Encoding: chunked\r\n"); |
AndyA | 0:96532c59670f | 242 | print_("Connection: close\r\n"); |
AndyA | 0:96532c59670f | 243 | if(convertTimestamp) { |
AndyA | 0:96532c59670f | 244 | print_("plotly-convertTimestamp: \""); |
AndyA | 0:96532c59670f | 245 | print_(timezone); |
AndyA | 0:96532c59670f | 246 | print_("\""); |
AndyA | 0:96532c59670f | 247 | } |
AndyA | 0:96532c59670f | 248 | print_("\r\n\r\n"); |
AndyA | 0:96532c59670f | 249 | |
AndyA | 0:96532c59670f | 250 | if(log_level < 3) {} fprintf(stderr,"... Done initializing, ready to stream!\n"); |
AndyA | 0:96532c59670f | 251 | } |
AndyA | 0:96532c59670f | 252 | |
AndyA | 0:96532c59670f | 253 | void plotly::closeStream() |
AndyA | 0:96532c59670f | 254 | { |
AndyA | 0:96532c59670f | 255 | print_("0\r\n\r\n"); |
AndyA | 0:96532c59670f | 256 | socket.close(); |
AndyA | 0:96532c59670f | 257 | } |
AndyA | 0:96532c59670f | 258 | void plotly::reconnectStream() |
AndyA | 0:96532c59670f | 259 | { |
AndyA | 0:96532c59670f | 260 | while(!socket.is_connected()) { |
AndyA | 0:96532c59670f | 261 | if(log_level<4) fprintf(stderr,"... Disconnected from streaming servers\n"); |
AndyA | 0:96532c59670f | 262 | closeStream(); |
AndyA | 0:96532c59670f | 263 | openStream(); |
AndyA | 0:96532c59670f | 264 | } |
AndyA | 0:96532c59670f | 265 | } |
AndyA | 0:96532c59670f | 266 | void plotly::jsonStart(int i) |
AndyA | 0:96532c59670f | 267 | { |
AndyA | 0:96532c59670f | 268 | // Print the length of the message in hex: |
AndyA | 0:96532c59670f | 269 | // 15 char for the json that wraps the data: {"x": , "y": }\n |
AndyA | 0:96532c59670f | 270 | // + 23 char for the token: , "token": "abcdefghij" |
AndyA | 0:96532c59670f | 271 | // = 38 |
AndyA | 0:96532c59670f | 272 | printHex_(i+44); |
AndyA | 0:96532c59670f | 273 | print_("\r\n{\"x\": "); |
AndyA | 0:96532c59670f | 274 | } |
AndyA | 0:96532c59670f | 275 | void plotly::jsonMiddle() |
AndyA | 0:96532c59670f | 276 | { |
AndyA | 0:96532c59670f | 277 | print_(", \"y\": "); |
AndyA | 0:96532c59670f | 278 | } |
AndyA | 0:96532c59670f | 279 | void plotly::jsonEnd(char *token) |
AndyA | 0:96532c59670f | 280 | { |
AndyA | 0:96532c59670f | 281 | print_(", \"streamtoken\": \""); |
AndyA | 0:96532c59670f | 282 | print_(token); |
AndyA | 0:96532c59670f | 283 | print_("\"}\n\r\n"); |
AndyA | 0:96532c59670f | 284 | } |
AndyA | 0:96532c59670f | 285 | |
AndyA | 0:96532c59670f | 286 | int plotly::len_(int i) |
AndyA | 0:96532c59670f | 287 | { |
AndyA | 0:96532c59670f | 288 | // int range: -32,768 to 32,767 |
AndyA | 0:96532c59670f | 289 | if(i > 9999) return 5; |
AndyA | 0:96532c59670f | 290 | else if(i > 999) return 4; |
AndyA | 0:96532c59670f | 291 | else if(i > 99) return 3; |
AndyA | 0:96532c59670f | 292 | else if(i > 9) return 2; |
AndyA | 0:96532c59670f | 293 | else if(i > -1) return 1; |
AndyA | 0:96532c59670f | 294 | else if(i > -10) return 2; |
AndyA | 0:96532c59670f | 295 | else if(i > -100) return 3; |
AndyA | 0:96532c59670f | 296 | else if(i > -1000) return 4; |
AndyA | 0:96532c59670f | 297 | else if(i > -10000) return 5; |
AndyA | 0:96532c59670f | 298 | else return 6; |
AndyA | 0:96532c59670f | 299 | } |
AndyA | 0:96532c59670f | 300 | int plotly::len_(unsigned long i) |
AndyA | 0:96532c59670f | 301 | { |
AndyA | 0:96532c59670f | 302 | // max length of unsigned long: 4294967295 |
AndyA | 0:96532c59670f | 303 | if(i > 999999999) return 10; |
AndyA | 0:96532c59670f | 304 | else if(i > 99999999) return 9; |
AndyA | 0:96532c59670f | 305 | else if(i > 9999999) return 8; |
AndyA | 0:96532c59670f | 306 | else if(i > 999999) return 7; |
AndyA | 0:96532c59670f | 307 | else if(i > 99999) return 6; |
AndyA | 0:96532c59670f | 308 | else if(i > 9999) return 5; |
AndyA | 0:96532c59670f | 309 | else if(i > 999) return 4; |
AndyA | 0:96532c59670f | 310 | else if(i > 99) return 3; |
AndyA | 0:96532c59670f | 311 | else if(i > 9) return 2; |
AndyA | 0:96532c59670f | 312 | else return 1; |
AndyA | 0:96532c59670f | 313 | } |
AndyA | 0:96532c59670f | 314 | int plotly::len_(char *i) |
AndyA | 0:96532c59670f | 315 | { |
AndyA | 0:96532c59670f | 316 | return strlen(i); |
AndyA | 0:96532c59670f | 317 | } |
AndyA | 0:96532c59670f | 318 | void plotly::plot(unsigned long x, int y, char *token) |
AndyA | 0:96532c59670f | 319 | { |
AndyA | 0:96532c59670f | 320 | reconnectStream(); |
AndyA | 0:96532c59670f | 321 | jsonStart(len_(x)+len_(y)); |
AndyA | 0:96532c59670f | 322 | print_(x); |
AndyA | 0:96532c59670f | 323 | jsonMiddle(); |
AndyA | 0:96532c59670f | 324 | print_(y); |
AndyA | 0:96532c59670f | 325 | jsonEnd(token); |
AndyA | 0:96532c59670f | 326 | } |
AndyA | 0:96532c59670f | 327 | |
AndyA | 0:96532c59670f | 328 | void plotly::plot(unsigned long x, float y, char *token) |
AndyA | 0:96532c59670f | 329 | { |
AndyA | 0:96532c59670f | 330 | reconnectStream(); |
AndyA | 0:96532c59670f | 331 | |
AndyA | 0:96532c59670f | 332 | char s_[15]; |
AndyA | 0:96532c59670f | 333 | snprintf(s_,15,"%2.3lf",y); |
AndyA | 0:96532c59670f | 334 | |
AndyA | 0:96532c59670f | 335 | jsonStart(len_(x)+len_(s_)-1); |
AndyA | 0:96532c59670f | 336 | print_(x); |
AndyA | 0:96532c59670f | 337 | jsonMiddle(); |
AndyA | 0:96532c59670f | 338 | print_(y); |
AndyA | 0:96532c59670f | 339 | jsonEnd(token); |
AndyA | 0:96532c59670f | 340 | } |
AndyA | 0:96532c59670f | 341 | |
AndyA | 0:96532c59670f | 342 | void plotly::print_(int d) |
AndyA | 0:96532c59670f | 343 | { |
AndyA | 0:96532c59670f | 344 | uint32_t len = snprintf(txBuffer,128,"%d",d); |
AndyA | 0:96532c59670f | 345 | if(log_level < 2) fprintf(stderr,"%s",txBuffer); |
AndyA | 0:96532c59670f | 346 | if(!dry_run) socket.send_all(txBuffer,len); // skip the trailing 0 |
AndyA | 0:96532c59670f | 347 | } |
AndyA | 0:96532c59670f | 348 | void plotly::print_(unsigned long d) |
AndyA | 0:96532c59670f | 349 | { |
AndyA | 0:96532c59670f | 350 | uint32_t len = snprintf(txBuffer,128,"%lu",d); |
AndyA | 0:96532c59670f | 351 | if(log_level < 2) fprintf(stderr,"%s",txBuffer); |
AndyA | 0:96532c59670f | 352 | if(!dry_run) socket.send_all(txBuffer,len); // skip the trailing 0 |
AndyA | 0:96532c59670f | 353 | } |
AndyA | 0:96532c59670f | 354 | void plotly::print_(float d) |
AndyA | 0:96532c59670f | 355 | { |
AndyA | 0:96532c59670f | 356 | uint32_t len = snprintf(txBuffer,128,"%f",d); |
AndyA | 0:96532c59670f | 357 | if(log_level < 2) fprintf(stderr,"%s",txBuffer); |
AndyA | 0:96532c59670f | 358 | if(!dry_run) socket.send_all(txBuffer,len); // skip the trailing 0 |
AndyA | 0:96532c59670f | 359 | } |
AndyA | 0:96532c59670f | 360 | void plotly::print_(char *d) |
AndyA | 0:96532c59670f | 361 | { |
AndyA | 0:96532c59670f | 362 | uint32_t len = snprintf(txBuffer,128,"%s",d); |
AndyA | 0:96532c59670f | 363 | if(log_level < 2) fprintf(stderr,"%s",txBuffer); |
AndyA | 0:96532c59670f | 364 | if(!dry_run) socket.send_all(txBuffer,len); // skip the trailing 0 |
AndyA | 0:96532c59670f | 365 | } |
AndyA | 0:96532c59670f | 366 | |
AndyA | 0:96532c59670f | 367 | void plotly::printHex_(uint16_t d) |
AndyA | 0:96532c59670f | 368 | { |
AndyA | 0:96532c59670f | 369 | uint32_t len = snprintf(txBuffer,128,"%X",d); |
AndyA | 0:96532c59670f | 370 | if(log_level < 2) fprintf(stderr,"%s",txBuffer); |
AndyA | 0:96532c59670f | 371 | if(!dry_run) socket.send_all(txBuffer,len); // skip the trailing 0 |
AndyA | 0:96532c59670f | 372 | } |