Andy A / plotly

plotly interface based on ardunio sample code

Dependents:   Plotly_HelloWorld

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?

UserRevisionLine numberNew 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 }