Diff: main.cpp

Revision:

11:30182b9aa833

Parent:

10:72eb217def1f

Child:

12:a52996515063

--- a/main.cpp	Sun Feb 22 20:23:43 2015 +0000
+++ b/main.cpp	Sun Feb 22 20:28:21 2015 +0000
@@ -11,15 +11,13 @@
 const int WEBPORT = 80; // Port for web server
 const int BROADCAST_PORT = 42853; // Arbitrarily chosen port number
 
-// Ticker collects data
-//Ticker ticker;
-//const int TICK_MS = 50;
+// Main loop delay between data collection passes
 const int LOOP_DELAY_IN_MS = 250;
 
 // Debugging and status
 RawSerial pc(USBTX, USBRX);
 DigitalOut led1(LED1); //ticking (flashes)
-DigitalOut led2(LED2); //
+DigitalOut led2(LED2); //state of the 1st voltage alerter
 DigitalOut led3(LED3); //socket connecting status
 DigitalOut led4(LED4); //server status
 
@@ -51,14 +49,26 @@
 VoltAlerter voltAlerter2(p24);
 VoltAlerter voltAlerter3(p25);
 
-// Broadcast message
+// Broadcast message format
+// Data format of the broadcast message - senml - https://tools.ietf.org/html/draft-jennings-senml-08
+// {
+//     "e": [
+//              {"n":"gasCount","v":%d}, 
+//              {"n":"gasPulseRateMs","v":%d,"u":"ms"},
+//              {"n":"temp_%s","v":%0.1f,"u":"degC"},
+//              ...
+//              {"n":"pump_%d","v":%d},
+//              ...
+//          ],
+//      "bt": %d
+// }
 const char broadcastMsgPrefix[] = "{\"e\":[";
 const char broadcastMsgGasFormat[] = "{\"n\":\"gasCount\",\"v\":%d},{\"n\":\"gasPulseRateMs\",\"v\":%d,\"u\":\"ms\"}";
 const char broadcastTemperatureFormat[] = "{\"n\":\"temp_%s\",\"v\":%0.1f,\"u\":\"degC\"}";
 const char broadcastVoltAlerterFormat[] = "{\"n\":\"pump_%d\",\"v\":%d}";
 const char broadcastMsgSuffix[] = "],\"bt\":%d}";
 
-// Format message
+// Broadcast message length and buffer
 const int broadcastMsgLen = sizeof(broadcastMsgPrefix) + 
             sizeof(broadcastMsgGasFormat) + 
             (sizeof(broadcastTemperatureFormat)*Thermometers::MAX_THERMOMETERS) + 
@@ -97,24 +107,12 @@
     // Get temperature values
     TemperatureValue tempValues[Thermometers::MAX_THERMOMETERS];
     int numTempValues = thermometers.GetTemperatureValues(Thermometers::MAX_THERMOMETERS, tempValues, 100);
-    for (int tempIdx = 0; tempIdx < numTempValues; tempIdx++)
-    {
-        printf("Temp: %.1f, Addr: %s, Time: %d\r\n", tempValues[tempIdx].tempInCentigrade, tempValues[tempIdx].address, tempValues[tempIdx].timeStamp);
-    }
+//    for (int tempIdx = 0; tempIdx < numTempValues; tempIdx++)
+//    {
+//        printf("Temp: %.1f, Addr: %s, Time: %d\r\n", tempValues[tempIdx].tempInCentigrade, tempValues[tempIdx].address, tempValues[tempIdx].timeStamp);
+//    }
     
-    // Data format of the message - senml - https://tools.ietf.org/html/draft-jennings-senml-08
-    // {
-    //     "e": [
-    //              {"n":"gasCount","v":%d}, 
-    //              {"n":"gasPulseRateMs","v":%d,"u":"ms"},
-    //              {"n":"temp_%s","v":%0.1f,"u":"degC"},
-    //              ...
-    //              {"n":"pump_%d","v":%d},
-    //              ...
-    //          ],
-    //      "bt": %d
-    // }
-
+    // Send the broadcast    
     time_t timeNow = time(NULL);
     strcpy(broadcastMsgBuffer, broadcastMsgPrefix);
     sprintf(broadcastMsgBuffer+strlen(broadcastMsgBuffer), broadcastMsgGasFormat, gasUseCounter.GetCount(), gasUseCounter.GetPulseRateMs());
@@ -156,11 +154,6 @@
     led3 = false;
 }
 
-// Ticker's tick function
-//void TickFunction()
-//{
-//}
-
 char* getGasUseCallback(int method, char* cmdStr, char* argStr)
 {
     char* pResp = gasUseCounter.getGasUseCallback(cmdStr, argStr);
@@ -180,21 +173,20 @@
     return "SetGasValue OK";
 }
 
+// Create, configure and run the web server
 void http_thread(void const* arg)
 {
     char* baseWebFolder = "/sd/";
-
     RdWebServer webServer;
     webServer.addCommand("", RdWebServerCmdDef::CMD_SDORUSBFILE, NULL, "index.htm", false);
     webServer.addCommand("gear-gr.png", RdWebServerCmdDef::CMD_SDORUSBFILE, NULL, NULL, true);
     webServer.addCommand("getgascount", RdWebServerCmdDef::CMD_CALLBACK, &getGasUseCallback);
     webServer.addCommand("setgascount", RdWebServerCmdDef::CMD_CALLBACK, &setGasUseCallback);
-
     webServer.init(WEBPORT, &led4, baseWebFolder);
-
     webServer.run();
 }
 
+// Network time protocol (NTP) thread to get time from internet
 void ntp_thread(void const* arg)
 {
     while (1)
@@ -228,15 +220,12 @@
     }
 }
 
+// Main
 int main()
 {
     pc.baud(115200);
     pc.printf("Gas Monitor V2 - Rob Dobson 2014\r\n");
 
-    printf("Broadcast Msg Len %d\r\n", broadcastMsgLen);
-
-//    ticker.attach(&TickFunction,TICK_MS / 1000.0);
-
     // Initialise thermometers
     thermometers.Init();
     
@@ -284,6 +273,8 @@
         voltAlerter1.Service();
         voltAlerter2.Service();
         voltAlerter3.Service();
+        
+        // Set LED2 to the state of the first volt alerter
         led2 = voltAlerter1.GetState();
     }
 }