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@6:e57d6e9313f4, 2014-07-29 (annotated)
- Committer:
- AndyA
- Date:
- Tue Jul 29 11:45:09 2014 +0000
- Revision:
- 6:e57d6e9313f4
- Parent:
- 3:967be3d46701
- Child:
- 7:9409a72ab6c0
Added support for multiple traces;
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 | 3:967be3d46701 | 4 | #define plotlyURL "plot.ly" |
AndyA | 0:96532c59670f | 5 | #define dataURL "arduino.plot.ly" |
AndyA | 0:96532c59670f | 6 | |
AndyA | 6:e57d6e9313f4 | 7 | plotly::plotly(const char *username, const char *api_key, const char* stream_tokens[], const char *filename, int nTraces) |
AndyA | 0:96532c59670f | 8 | { |
AndyA | 0:96532c59670f | 9 | log_level = 0; // 0 = Debugging, 1 = Informational, 2 = Status, 3 = Errors, 4 = Quiet (// Serial Off) |
AndyA | 0:96532c59670f | 10 | dry_run = false; |
AndyA | 0:96532c59670f | 11 | username_ = username; |
AndyA | 0:96532c59670f | 12 | api_key_ = api_key; |
AndyA | 0:96532c59670f | 13 | stream_tokens_ = stream_tokens; |
AndyA | 0:96532c59670f | 14 | filename_ = filename; |
AndyA | 0:96532c59670f | 15 | nTraces_ = nTraces; |
AndyA | 0:96532c59670f | 16 | maxpoints = 30; |
AndyA | 0:96532c59670f | 17 | fibonacci_ = 1; |
AndyA | 0:96532c59670f | 18 | world_readable = true; |
AndyA | 6:e57d6e9313f4 | 19 | convertTimestamp = false; |
AndyA | 0:96532c59670f | 20 | timezone = "America/Montreal"; |
AndyA | 0:96532c59670f | 21 | fileopt = "overwrite"; |
AndyA | 1:d532e96fca12 | 22 | |
AndyA | 6:e57d6e9313f4 | 23 | sockets = (TCPSocketConnection **)malloc(sizeof(TCPSocketConnection *) * nTraces); |
AndyA | 6:e57d6e9313f4 | 24 | for (int i = 0; i< nTraces; i++) { |
AndyA | 6:e57d6e9313f4 | 25 | *(sockets+i) = NULL; |
AndyA | 6:e57d6e9313f4 | 26 | } |
AndyA | 1:d532e96fca12 | 27 | initalised = false; |
AndyA | 0:96532c59670f | 28 | } |
AndyA | 0:96532c59670f | 29 | |
AndyA | 0:96532c59670f | 30 | |
AndyA | 1:d532e96fca12 | 31 | plotly::~plotly() |
AndyA | 1:d532e96fca12 | 32 | { |
AndyA | 6:e57d6e9313f4 | 33 | closeStreams(); |
AndyA | 6:e57d6e9313f4 | 34 | if (sockets) |
AndyA | 6:e57d6e9313f4 | 35 | free(sockets); |
AndyA | 1:d532e96fca12 | 36 | } |
AndyA | 0:96532c59670f | 37 | |
AndyA | 0:96532c59670f | 38 | bool plotly::init() |
AndyA | 0:96532c59670f | 39 | { |
AndyA | 0:96532c59670f | 40 | |
AndyA | 0:96532c59670f | 41 | // |
AndyA | 0:96532c59670f | 42 | // Validate a stream with a REST post to plotly |
AndyA | 0:96532c59670f | 43 | // |
AndyA | 0:96532c59670f | 44 | if(dry_run && log_level < 3) { |
AndyA | 0:96532c59670f | 45 | fprintf(stderr,"... This is a dry run, we are not connecting to plotly's servers...\n"); |
AndyA | 0:96532c59670f | 46 | } else if(log_level < 3) { |
AndyA | 0:96532c59670f | 47 | fprintf(stderr,"... Attempting to connect to plotly's REST servers\n"); |
AndyA | 0:96532c59670f | 48 | } |
AndyA | 0:96532c59670f | 49 | |
AndyA | 2:d53d74ed68ac | 50 | // socket.set_blocking(false); |
AndyA | 1:d532e96fca12 | 51 | |
AndyA | 2:d53d74ed68ac | 52 | if (!dry_run) { |
AndyA | 6:e57d6e9313f4 | 53 | *sockets = new TCPSocketConnection(); |
AndyA | 6:e57d6e9313f4 | 54 | if (!*sockets) |
AndyA | 6:e57d6e9313f4 | 55 | return false; |
AndyA | 6:e57d6e9313f4 | 56 | while ((*sockets)->connect(plotlyURL, 80) < 0) { |
AndyA | 0:96532c59670f | 57 | fprintf(stderr,"... Couldn\'t connect to plotly's REST servers... trying again!\n"); |
AndyA | 2:d53d74ed68ac | 58 | wait(1); |
AndyA | 0:96532c59670f | 59 | } |
AndyA | 2:d53d74ed68ac | 60 | } |
AndyA | 1:d532e96fca12 | 61 | |
AndyA | 1:d532e96fca12 | 62 | if(log_level < 3) fprintf(stderr,"... Connected to plotly's REST servers\n"); |
AndyA | 2:d53d74ed68ac | 63 | |
AndyA | 1:d532e96fca12 | 64 | if(log_level < 3) fprintf(stderr,"... Sending HTTP Post to plotly\n"); |
AndyA | 2:d53d74ed68ac | 65 | |
AndyA | 0:96532c59670f | 66 | print_("POST /clientresp HTTP/1.1\r\n"); |
AndyA | 0:96532c59670f | 67 | print_("Host: 107.21.214.199\r\n"); |
AndyA | 3:967be3d46701 | 68 | print_("User-Agent: Arduino/0.5.1\r\n"); |
AndyA | 2:d53d74ed68ac | 69 | print_("plotly-streamtoken: "); |
AndyA | 6:e57d6e9313f4 | 70 | for (int i = 0; i<nTraces_; i++) { |
AndyA | 6:e57d6e9313f4 | 71 | print_(stream_tokens_[i]); |
AndyA | 6:e57d6e9313f4 | 72 | if ( i < (nTraces_-1) ) |
AndyA | 6:e57d6e9313f4 | 73 | print_(","); |
AndyA | 6:e57d6e9313f4 | 74 | } |
AndyA | 2:d53d74ed68ac | 75 | print_("\r\n"); |
AndyA | 0:96532c59670f | 76 | |
AndyA | 0:96532c59670f | 77 | print_("Content-Length: "); |
AndyA | 2:d53d74ed68ac | 78 | |
AndyA | 2:d53d74ed68ac | 79 | // big buffer method to generate the string so that length can be measured directly. |
AndyA | 2:d53d74ed68ac | 80 | |
AndyA | 3:967be3d46701 | 81 | int lineLen = snprintf(buffer,k_bufferSize,"version=2.3&origin=plot&platform=arduino&un=%s&key=%s&args=[",username_,api_key_); |
AndyA | 2:d53d74ed68ac | 82 | for(int i=0; i<nTraces_; i++) { |
AndyA | 2:d53d74ed68ac | 83 | lineLen += snprintf((buffer+lineLen),k_bufferSize-lineLen,"{\"y\": [], \"x\": [], \"type\": \"scatter\", \"stream\": {\"token\": \"%s\", \"maxpoints\": %d}}%s",stream_tokens_[i],maxpoints,((nTraces_ > 1) && (i != nTraces_-1))?", ":""); |
AndyA | 2:d53d74ed68ac | 84 | } |
AndyA | 2:d53d74ed68ac | 85 | lineLen += snprintf((buffer+lineLen),k_bufferSize-lineLen,"]&kwargs={\"fileopt\": \"%s\", \"filename\": \"%s\", \"world_readable\": %s}",fileopt,filename_,world_readable?"true":"false"); |
AndyA | 2:d53d74ed68ac | 86 | |
AndyA | 2:d53d74ed68ac | 87 | print_(lineLen); |
AndyA | 0:96532c59670f | 88 | print_("\r\n\r\n"); |
AndyA | 6:e57d6e9313f4 | 89 | |
AndyA | 3:967be3d46701 | 90 | lineLen = snprintf(buffer,k_bufferSize,"version=2.3&origin=plot&platform=arduino&un=%s&key=%s&args=[",username_,api_key_); |
AndyA | 2:d53d74ed68ac | 91 | for(int i=0; i<nTraces_; i++) { |
AndyA | 2:d53d74ed68ac | 92 | lineLen += snprintf((buffer+lineLen),k_bufferSize-lineLen,"{\"y\": [], \"x\": [], \"type\": \"scatter\", \"stream\": {\"token\": \"%s\", \"maxpoints\": %d}}%s",stream_tokens_[i],maxpoints,((nTraces_ > 1) && (i != nTraces_-1))?", ":""); |
AndyA | 2:d53d74ed68ac | 93 | } |
AndyA | 2:d53d74ed68ac | 94 | lineLen += snprintf((buffer+lineLen),k_bufferSize-lineLen,"]&kwargs={\"fileopt\": \"%s\", \"filename\": \"%s\", \"world_readable\": %s}",fileopt,filename_,world_readable?"true":"false"); |
AndyA | 2:d53d74ed68ac | 95 | sendFormatedText(buffer,lineLen); |
AndyA | 6:e57d6e9313f4 | 96 | |
AndyA | 2:d53d74ed68ac | 97 | print_("\r\n"); |
AndyA | 6:e57d6e9313f4 | 98 | |
AndyA | 0:96532c59670f | 99 | // |
AndyA | 0:96532c59670f | 100 | // Wait for a response |
AndyA | 0:96532c59670f | 101 | // Parse the response for the "All Streams Go!" and proceed to streaming |
AndyA | 0:96532c59670f | 102 | // if we find it |
AndyA | 0:96532c59670f | 103 | // |
AndyA | 2:d53d74ed68ac | 104 | |
AndyA | 0:96532c59670f | 105 | char allStreamsGo[] = "All Streams Go!"; |
AndyA | 0:96532c59670f | 106 | int asgCnt = 0; // asg stands for All Streams Go |
AndyA | 0:96532c59670f | 107 | char url[] = "\"url\": \"http://107.21.214.199/~"; |
AndyA | 0:96532c59670f | 108 | char fid[4]; |
AndyA | 0:96532c59670f | 109 | int fidCnt = 0; |
AndyA | 0:96532c59670f | 110 | int urlCnt = 0; |
AndyA | 0:96532c59670f | 111 | int usernameCnt = 0; |
AndyA | 0:96532c59670f | 112 | bool proceed = false; |
AndyA | 0:96532c59670f | 113 | bool fidMatched = false; |
AndyA | 0:96532c59670f | 114 | char c; |
AndyA | 0:96532c59670f | 115 | |
AndyA | 0:96532c59670f | 116 | if(log_level < 2) { |
AndyA | 0:96532c59670f | 117 | fprintf(stderr,"... Sent message, waiting for plotly's response...\n"); |
AndyA | 0:96532c59670f | 118 | } |
AndyA | 0:96532c59670f | 119 | |
AndyA | 0:96532c59670f | 120 | if(!dry_run) { |
AndyA | 0:96532c59670f | 121 | while(!proceed) { |
AndyA | 6:e57d6e9313f4 | 122 | int32_t dataIn = (*sockets)->receive(buffer,k_bufferSize -1); |
AndyA | 1:d532e96fca12 | 123 | if (dataIn < 0) { |
AndyA | 1:d532e96fca12 | 124 | if(log_level < 3) fprintf(stderr,"error reading network socket\n"); |
AndyA | 1:d532e96fca12 | 125 | break; |
AndyA | 1:d532e96fca12 | 126 | } |
AndyA | 0:96532c59670f | 127 | if(dataIn > 0) { |
AndyA | 2:d53d74ed68ac | 128 | buffer[dataIn]=0; |
AndyA | 0:96532c59670f | 129 | |
AndyA | 2:d53d74ed68ac | 130 | if(log_level < 2) fprintf(stderr,buffer); |
AndyA | 0:96532c59670f | 131 | |
AndyA | 0:96532c59670f | 132 | for (int i = 0; i<dataIn; i++) { |
AndyA | 2:d53d74ed68ac | 133 | c = buffer[i]; |
AndyA | 0:96532c59670f | 134 | // |
AndyA | 0:96532c59670f | 135 | // Attempt to read the "All streams go" msg if it exists |
AndyA | 0:96532c59670f | 136 | // by comparing characters as they roll in |
AndyA | 0:96532c59670f | 137 | // |
AndyA | 0:96532c59670f | 138 | |
AndyA | 6:e57d6e9313f4 | 139 | if(asgCnt == strlen(allStreamsGo) && !proceed) { |
AndyA | 0:96532c59670f | 140 | proceed = true; |
AndyA | 0:96532c59670f | 141 | } else if(allStreamsGo[asgCnt]==c) { |
AndyA | 0:96532c59670f | 142 | asgCnt += 1; |
AndyA | 0:96532c59670f | 143 | } else if(asgCnt > 0) { |
AndyA | 0:96532c59670f | 144 | // reset counter |
AndyA | 0:96532c59670f | 145 | asgCnt = 0; |
AndyA | 0:96532c59670f | 146 | } |
AndyA | 0:96532c59670f | 147 | |
AndyA | 0:96532c59670f | 148 | // |
AndyA | 0:96532c59670f | 149 | // Extract the last bit of the URL from the response |
AndyA | 0:96532c59670f | 150 | // The url is in the form http://107.21.214.199/~USERNAME/FID |
AndyA | 0:96532c59670f | 151 | // We'll character-count up through char url[] and through username_, then start |
AndyA | 0:96532c59670f | 152 | // filling in characters into fid |
AndyA | 0:96532c59670f | 153 | // |
AndyA | 0:96532c59670f | 154 | |
AndyA | 0:96532c59670f | 155 | if(log_level < 3) { |
AndyA | 6:e57d6e9313f4 | 156 | if(url[urlCnt]==c && urlCnt < strlen(url)) { |
AndyA | 0:96532c59670f | 157 | urlCnt += 1; |
AndyA | 6:e57d6e9313f4 | 158 | } else if(urlCnt > 0 && urlCnt < strlen(url)) { |
AndyA | 0:96532c59670f | 159 | // Reset counter |
AndyA | 0:96532c59670f | 160 | urlCnt = 0; |
AndyA | 0:96532c59670f | 161 | } |
AndyA | 6:e57d6e9313f4 | 162 | if(urlCnt == strlen(url) && fidCnt < 4 && !fidMatched) { |
AndyA | 0:96532c59670f | 163 | // We've counted through the url, start counting through the username |
AndyA | 6:e57d6e9313f4 | 164 | if(usernameCnt < strlen(username_)+2) { |
AndyA | 0:96532c59670f | 165 | usernameCnt += 1; |
AndyA | 0:96532c59670f | 166 | } else { |
AndyA | 0:96532c59670f | 167 | // the url ends with " |
AndyA | 0:96532c59670f | 168 | if(c != '"') { |
AndyA | 0:96532c59670f | 169 | fid[fidCnt] = c; |
AndyA | 0:96532c59670f | 170 | fidCnt += 1; |
AndyA | 0:96532c59670f | 171 | } else if(fidCnt>0) { |
AndyA | 0:96532c59670f | 172 | fidMatched = true; |
AndyA | 0:96532c59670f | 173 | } |
AndyA | 0:96532c59670f | 174 | |
AndyA | 0:96532c59670f | 175 | } |
AndyA | 0:96532c59670f | 176 | } |
AndyA | 0:96532c59670f | 177 | } |
AndyA | 0:96532c59670f | 178 | } |
AndyA | 0:96532c59670f | 179 | } |
AndyA | 0:96532c59670f | 180 | wait(0.1); |
AndyA | 0:96532c59670f | 181 | } |
AndyA | 0:96532c59670f | 182 | } |
AndyA | 0:96532c59670f | 183 | |
AndyA | 0:96532c59670f | 184 | if(!dry_run && !proceed && log_level < 4) { |
AndyA | 0:96532c59670f | 185 | fprintf(stderr,"... Error initializing stream, aborting. Try again or get in touch with Chris at chris@plot.ly\n"); |
AndyA | 0:96532c59670f | 186 | } |
AndyA | 0:96532c59670f | 187 | |
AndyA | 0:96532c59670f | 188 | if(!dry_run && proceed && log_level < 3) { |
AndyA | 0:96532c59670f | 189 | fprintf(stderr,"... A-ok from plotly, All Streams Go!\n"); |
AndyA | 0:96532c59670f | 190 | if(fidMatched) { |
AndyA | 0:96532c59670f | 191 | fprintf(stderr,"... View your streaming plot here: https://plot.ly/~"); |
AndyA | 0:96532c59670f | 192 | fprintf(stderr,username_); |
AndyA | 0:96532c59670f | 193 | fprintf(stderr,"/"); |
AndyA | 0:96532c59670f | 194 | for(int i=0; i<fidCnt; i++) { |
AndyA | 6:e57d6e9313f4 | 195 | fprintf(stderr,"%c ",fid[i]); |
AndyA | 0:96532c59670f | 196 | } |
AndyA | 0:96532c59670f | 197 | fprintf(stderr,"\n"); |
AndyA | 0:96532c59670f | 198 | } |
AndyA | 0:96532c59670f | 199 | } |
AndyA | 2:d53d74ed68ac | 200 | |
AndyA | 2:d53d74ed68ac | 201 | if (proceed || dry_run) { |
AndyA | 6:e57d6e9313f4 | 202 | initalised = true; |
AndyA | 2:d53d74ed68ac | 203 | } |
AndyA | 6:e57d6e9313f4 | 204 | if (*sockets) { |
AndyA | 6:e57d6e9313f4 | 205 | delete *sockets; |
AndyA | 6:e57d6e9313f4 | 206 | *sockets=NULL; |
AndyA | 6:e57d6e9313f4 | 207 | } |
AndyA | 2:d53d74ed68ac | 208 | return initalised; |
AndyA | 0:96532c59670f | 209 | } |
AndyA | 0:96532c59670f | 210 | |
AndyA | 6:e57d6e9313f4 | 211 | void plotly::openStreams() |
AndyA | 6:e57d6e9313f4 | 212 | { |
AndyA | 6:e57d6e9313f4 | 213 | for (int i = 0; i< nTraces_; i++) { |
AndyA | 6:e57d6e9313f4 | 214 | openStream(i); |
AndyA | 6:e57d6e9313f4 | 215 | } |
AndyA | 6:e57d6e9313f4 | 216 | } |
AndyA | 6:e57d6e9313f4 | 217 | |
AndyA | 6:e57d6e9313f4 | 218 | void plotly::closeStreams() |
AndyA | 0:96532c59670f | 219 | { |
AndyA | 6:e57d6e9313f4 | 220 | for (int i = 0; i< nTraces_; i++) { |
AndyA | 6:e57d6e9313f4 | 221 | closeStream(i); |
AndyA | 6:e57d6e9313f4 | 222 | } |
AndyA | 6:e57d6e9313f4 | 223 | } |
AndyA | 6:e57d6e9313f4 | 224 | |
AndyA | 6:e57d6e9313f4 | 225 | |
AndyA | 6:e57d6e9313f4 | 226 | void plotly::openStream(int stream) |
AndyA | 6:e57d6e9313f4 | 227 | { |
AndyA | 6:e57d6e9313f4 | 228 | |
AndyA | 6:e57d6e9313f4 | 229 | if (stream >= nTraces_) |
AndyA | 6:e57d6e9313f4 | 230 | return; |
AndyA | 1:d532e96fca12 | 231 | |
AndyA | 1:d532e96fca12 | 232 | if (!initalised) |
AndyA | 1:d532e96fca12 | 233 | return; |
AndyA | 0:96532c59670f | 234 | // |
AndyA | 0:96532c59670f | 235 | // Start request to stream servers |
AndyA | 0:96532c59670f | 236 | // |
AndyA | 2:d53d74ed68ac | 237 | |
AndyA | 6:e57d6e9313f4 | 238 | if (*(sockets+stream) != NULL) { |
AndyA | 6:e57d6e9313f4 | 239 | delete *(sockets+stream); |
AndyA | 6:e57d6e9313f4 | 240 | *(sockets+stream) = NULL; |
AndyA | 6:e57d6e9313f4 | 241 | } |
AndyA | 2:d53d74ed68ac | 242 | |
AndyA | 2:d53d74ed68ac | 243 | if(log_level < 3) fprintf(stderr,"... Connecting to plotly's streaming servers...\n"); |
AndyA | 2:d53d74ed68ac | 244 | |
AndyA | 6:e57d6e9313f4 | 245 | if (!dry_run) { |
AndyA | 6:e57d6e9313f4 | 246 | *(sockets + stream) = new TCPSocketConnection(); |
AndyA | 6:e57d6e9313f4 | 247 | while ((*(sockets + stream))->connect(dataURL, 80) < 0) { |
AndyA | 2:d53d74ed68ac | 248 | fprintf(stderr,"... Couldn\'t connect to servers... trying again!\n"); |
AndyA | 2:d53d74ed68ac | 249 | wait(10); |
AndyA | 2:d53d74ed68ac | 250 | } |
AndyA | 0:96532c59670f | 251 | } |
AndyA | 2:d53d74ed68ac | 252 | |
AndyA | 6:e57d6e9313f4 | 253 | if(log_level < 3) fprintf(stderr,"... Connected to plotly's streaming servers\n... Initializing stream %d\n",stream); |
AndyA | 0:96532c59670f | 254 | |
AndyA | 6:e57d6e9313f4 | 255 | print_("POST / HTTP/1.1\r\n",stream); |
AndyA | 6:e57d6e9313f4 | 256 | print_("Host: arduino.plot.ly\r\n",stream); |
AndyA | 6:e57d6e9313f4 | 257 | print_("User-Agent: Python\r\n",stream); |
AndyA | 6:e57d6e9313f4 | 258 | print_("Transfer-Encoding: chunked\r\n",stream); |
AndyA | 6:e57d6e9313f4 | 259 | print_("Connection: close\r\n",stream); |
AndyA | 6:e57d6e9313f4 | 260 | print_("plotly-streamtoken: ",stream); |
AndyA | 6:e57d6e9313f4 | 261 | print_(stream_tokens_[stream],stream); |
AndyA | 6:e57d6e9313f4 | 262 | print_("\r\n",stream); |
AndyA | 6:e57d6e9313f4 | 263 | if(convertTimestamp) { |
AndyA | 6:e57d6e9313f4 | 264 | print_("plotly-convertTimestamp: \""); |
AndyA | 6:e57d6e9313f4 | 265 | print_(timezone); |
AndyA | 6:e57d6e9313f4 | 266 | print_("\""); |
AndyA | 6:e57d6e9313f4 | 267 | print_("\r\n"); |
AndyA | 6:e57d6e9313f4 | 268 | } |
AndyA | 6:e57d6e9313f4 | 269 | print_("\r\n",stream); |
AndyA | 0:96532c59670f | 270 | |
AndyA | 1:d532e96fca12 | 271 | if(log_level < 3) fprintf(stderr,"... Done initializing, ready to stream!\n"); |
AndyA | 0:96532c59670f | 272 | } |
AndyA | 0:96532c59670f | 273 | |
AndyA | 6:e57d6e9313f4 | 274 | void plotly::closeStream( int stream) |
AndyA | 0:96532c59670f | 275 | { |
AndyA | 6:e57d6e9313f4 | 276 | if (stream >= nTraces_) |
AndyA | 6:e57d6e9313f4 | 277 | return; |
AndyA | 6:e57d6e9313f4 | 278 | |
AndyA | 6:e57d6e9313f4 | 279 | if (*(sockets+stream) != NULL) { |
AndyA | 6:e57d6e9313f4 | 280 | if ((*(sockets+stream))->is_connected()) { |
AndyA | 6:e57d6e9313f4 | 281 | print_("0\r\n\r\n",stream); |
AndyA | 6:e57d6e9313f4 | 282 | (*(sockets+stream))->close(); |
AndyA | 2:d53d74ed68ac | 283 | } |
AndyA | 6:e57d6e9313f4 | 284 | delete *(sockets+stream); |
AndyA | 6:e57d6e9313f4 | 285 | *(sockets+stream)=NULL; |
AndyA | 0:96532c59670f | 286 | } |
AndyA | 0:96532c59670f | 287 | } |
AndyA | 2:d53d74ed68ac | 288 | |
AndyA | 6:e57d6e9313f4 | 289 | void plotly::reconnectStream(int number) |
AndyA | 0:96532c59670f | 290 | { |
AndyA | 6:e57d6e9313f4 | 291 | while(!dry_run && (!(*(sockets+number)) || !(*(sockets+number))->is_connected())) { |
AndyA | 6:e57d6e9313f4 | 292 | if(log_level<4) fprintf(stderr,"... Disconnected from streaming servers\n"); |
AndyA | 6:e57d6e9313f4 | 293 | closeStream(number); |
AndyA | 6:e57d6e9313f4 | 294 | openStream(number); |
AndyA | 6:e57d6e9313f4 | 295 | } |
AndyA | 0:96532c59670f | 296 | } |
AndyA | 0:96532c59670f | 297 | |
AndyA | 6:e57d6e9313f4 | 298 | |
AndyA | 6:e57d6e9313f4 | 299 | void plotly::plot(unsigned long x, int y, int stream) |
AndyA | 0:96532c59670f | 300 | { |
AndyA | 6:e57d6e9313f4 | 301 | if (!initalised) |
AndyA | 6:e57d6e9313f4 | 302 | return; |
AndyA | 6:e57d6e9313f4 | 303 | |
AndyA | 6:e57d6e9313f4 | 304 | reconnectStream(stream); |
AndyA | 6:e57d6e9313f4 | 305 | |
AndyA | 6:e57d6e9313f4 | 306 | int len = snprintf(buffer,k_bufferSize,"{\"x\": %lu, \"y\": %d}\n", x,y); |
AndyA | 6:e57d6e9313f4 | 307 | len = snprintf(buffer,k_bufferSize,"%x\r\n{\"x\": %lu, \"y\": %d}\n\r\n",len, x,y); |
AndyA | 6:e57d6e9313f4 | 308 | sendFormatedText(buffer,len,stream); |
AndyA | 0:96532c59670f | 309 | } |
AndyA | 6:e57d6e9313f4 | 310 | |
AndyA | 6:e57d6e9313f4 | 311 | void plotly::plot(unsigned long x, float y, int stream) |
AndyA | 0:96532c59670f | 312 | { |
AndyA | 2:d53d74ed68ac | 313 | if (!initalised) |
AndyA | 2:d53d74ed68ac | 314 | return; |
AndyA | 2:d53d74ed68ac | 315 | |
AndyA | 6:e57d6e9313f4 | 316 | reconnectStream(stream); |
AndyA | 2:d53d74ed68ac | 317 | |
AndyA | 6:e57d6e9313f4 | 318 | int len = snprintf(buffer,k_bufferSize,"{\"x\": %lu, \"y\": %.3f}\n", x,y); |
AndyA | 6:e57d6e9313f4 | 319 | len = snprintf(buffer,k_bufferSize,"%x\r\n{\"x\": %lu, \"y\": %.3f}\n\r\n",len, x,y); |
AndyA | 6:e57d6e9313f4 | 320 | sendFormatedText(buffer,len,stream); |
AndyA | 0:96532c59670f | 321 | } |
AndyA | 0:96532c59670f | 322 | |
AndyA | 6:e57d6e9313f4 | 323 | void plotly::plot(float x, float y, int stream) |
AndyA | 0:96532c59670f | 324 | { |
AndyA | 2:d53d74ed68ac | 325 | if (!initalised) |
AndyA | 2:d53d74ed68ac | 326 | return; |
AndyA | 2:d53d74ed68ac | 327 | |
AndyA | 6:e57d6e9313f4 | 328 | reconnectStream(stream); |
AndyA | 0:96532c59670f | 329 | |
AndyA | 6:e57d6e9313f4 | 330 | int len = snprintf(buffer,k_bufferSize,"{\"x\": %.3f, \"y\": %.3f}\n", x,y); |
AndyA | 6:e57d6e9313f4 | 331 | len = snprintf(buffer,k_bufferSize,"%x\r\n{\"x\": %.3f, \"y\": %.3f}\n\r\n",len, x,y); |
AndyA | 6:e57d6e9313f4 | 332 | sendFormatedText(buffer,len,stream); |
AndyA | 0:96532c59670f | 333 | } |
AndyA | 0:96532c59670f | 334 | |
AndyA | 6:e57d6e9313f4 | 335 | |
AndyA | 6:e57d6e9313f4 | 336 | bool plotly::print_(int d, int stream) |
AndyA | 0:96532c59670f | 337 | { |
AndyA | 2:d53d74ed68ac | 338 | int32_t len = snprintf(buffer,k_bufferSize,"%d",d); |
AndyA | 6:e57d6e9313f4 | 339 | return sendFormatedText(buffer,len,stream); |
AndyA | 2:d53d74ed68ac | 340 | } |
AndyA | 1:d532e96fca12 | 341 | |
AndyA | 6:e57d6e9313f4 | 342 | bool plotly::print_(unsigned long d, int stream) |
AndyA | 0:96532c59670f | 343 | { |
AndyA | 2:d53d74ed68ac | 344 | int32_t len = snprintf(buffer,k_bufferSize,"%lu",d); |
AndyA | 6:e57d6e9313f4 | 345 | return sendFormatedText(buffer,len,stream); |
AndyA | 2:d53d74ed68ac | 346 | } |
AndyA | 2:d53d74ed68ac | 347 | |
AndyA | 6:e57d6e9313f4 | 348 | bool plotly::print_(float d, int stream) |
AndyA | 2:d53d74ed68ac | 349 | { |
AndyA | 2:d53d74ed68ac | 350 | int32_t len = snprintf(buffer,k_bufferSize,"%f",d); |
AndyA | 6:e57d6e9313f4 | 351 | return sendFormatedText(buffer,len,stream); |
AndyA | 2:d53d74ed68ac | 352 | } |
AndyA | 2:d53d74ed68ac | 353 | |
AndyA | 6:e57d6e9313f4 | 354 | bool plotly::print_(const char *d, int stream) |
AndyA | 2:d53d74ed68ac | 355 | { |
AndyA | 2:d53d74ed68ac | 356 | int32_t len = snprintf(buffer,k_bufferSize,"%s",d); |
AndyA | 6:e57d6e9313f4 | 357 | return sendFormatedText(buffer,len,stream); |
AndyA | 2:d53d74ed68ac | 358 | } |
AndyA | 2:d53d74ed68ac | 359 | |
AndyA | 6:e57d6e9313f4 | 360 | bool plotly::printHex_(uint16_t d, int stream) |
AndyA | 2:d53d74ed68ac | 361 | { |
AndyA | 2:d53d74ed68ac | 362 | int32_t len = snprintf(buffer,k_bufferSize,"%X",d); |
AndyA | 6:e57d6e9313f4 | 363 | return sendFormatedText(buffer,len,stream); |
AndyA | 2:d53d74ed68ac | 364 | } |
AndyA | 2:d53d74ed68ac | 365 | |
AndyA | 6:e57d6e9313f4 | 366 | bool plotly::sendFormatedText(char* data, int size, int stream) |
AndyA | 2:d53d74ed68ac | 367 | { |
AndyA | 2:d53d74ed68ac | 368 | if(log_level < 2) { |
AndyA | 2:d53d74ed68ac | 369 | fprintf(stderr,"%s",data); |
AndyA | 2:d53d74ed68ac | 370 | } |
AndyA | 1:d532e96fca12 | 371 | if(!dry_run) { |
AndyA | 6:e57d6e9313f4 | 372 | if (!*(sockets+stream)) { |
AndyA | 2:d53d74ed68ac | 373 | fprintf(stderr,"\nTX failed, No network socket exists\n"); |
AndyA | 2:d53d74ed68ac | 374 | return false; |
AndyA | 6:e57d6e9313f4 | 375 | } |
AndyA | 6:e57d6e9313f4 | 376 | if (!((*(sockets+stream))->is_connected())) { |
AndyA | 2:d53d74ed68ac | 377 | fprintf(stderr,"\nTX failed, Network socket not connected\n"); |
AndyA | 6:e57d6e9313f4 | 378 | return false; |
AndyA | 6:e57d6e9313f4 | 379 | } |
AndyA | 6:e57d6e9313f4 | 380 | |
AndyA | 6:e57d6e9313f4 | 381 | int32_t sent = (*(sockets+stream))->send_all(data,size); |
AndyA | 2:d53d74ed68ac | 382 | if (sent == size) |
AndyA | 1:d532e96fca12 | 383 | return true; |
AndyA | 1:d532e96fca12 | 384 | else { |
AndyA | 2:d53d74ed68ac | 385 | fprintf(stderr,"\nTX failed to send _%s_ Sent %d of %d bytes\n",data,sent,size); |
AndyA | 1:d532e96fca12 | 386 | return false; |
AndyA | 1:d532e96fca12 | 387 | } |
AndyA | 1:d532e96fca12 | 388 | } else |
AndyA | 1:d532e96fca12 | 389 | return true; |
AndyA | 0:96532c59670f | 390 | } |
AndyA | 0:96532c59670f | 391 |