Diff: main.cpp

Revision:

2:27714c8c9c0a

Parent:

0:a29a0225f203

Child:

3:f19f9c62c00b

--- a/main.cpp	Mon Apr 02 22:06:46 2012 +0000
+++ b/main.cpp	Thu Apr 05 08:03:07 2012 +0000
@@ -29,6 +29,9 @@
  * Code is to be classed as beta. There is a lot of debug code still includes
  * to dump heap sizes and other values. It is still a work in progress and
  * should be treated as such.
+ * 
+ * Further documentation available from 
+ * http://blog.thiseldo.co.uk/wp-filez/IoTGateway.pdf
  *
  * Sample configuration file IOTSETUP.TXT
  *
@@ -45,7 +48,9 @@
  * time.timezone=GMT
  * time.dst=yes
  * mqtt.host=
- * mqtt.port=
+ * mqtt.port=1883
+ * mqtt.username=
+ * mqtt.password=
  * @endcode
  *
  * Some values are not yet used
@@ -57,13 +62,14 @@
 #include "SDFileSystem.h"
 #include "EthernetNetIf.h"
 #include "NTPClient.h"
+#include "dnsresolve.h"
 #include "RF12B.h"
 #include "IoTRouting.h"
 
 
 using std::string;
 
-#define VERSION_INFO "IoT Gateway Basic - Version 0.4-BETA "
+#define VERSION_INFO "IoT Gateway Basic - Version 0.5-BETA "
 
 DigitalOut heartbeatLED(LED1, "heartbeatLED");
 DigitalOut led2(LED2, "led2");
@@ -72,13 +78,16 @@
 DigitalOut linkLED(p30, "linkLED");
 DigitalOut statusLED(p25, "statusLED");
 
-// Setup which filesystem to use, Local or uSD card
+// Put as much as we can into RAM bank AHBSRAM0 which is reserved for USB that we are not using
+
+// Setup which filesystem to use, Local or uSD card, both use same name
 __attribute((section("AHBSRAM0"))) LocalFileSystem fs("iotfs");
 //__attribute((section("AHBSRAM0"))) SDFileSystem sd(p5, p6, p7, p8, "iotfs");
 
 __attribute((section("AHBSRAM0"))) EthernetNetIf *eth;
 __attribute((section("AHBSRAM0"))) NTPClient ntp;
 __attribute((section("AHBSRAM0"))) Ethernet ethernet;
+__attribute((section("AHBSRAM0"))) DNSResolver resolver;
 
 // Configuration values loaded from file iotsetup.dat
 __attribute((section("AHBSRAM0"))) IpAddr ipAddress(0, 0, 0, 0);
@@ -89,34 +98,37 @@
 
 // Static buffers
 #define MAX_LINE_LENGTH 128
-__attribute__((section("AHBSRAM0"))) static char lineBuf[MAX_LINE_LENGTH];
-__attribute__((section("AHBSRAM0"))) static OutputPachube outPachube;
-__attribute__((section("AHBSRAM0"))) static IoTRouting rtr;
+__attribute((section("AHBSRAM0"))) static char lineBuf[MAX_LINE_LENGTH];
+__attribute((section("AHBSRAM0"))) static OutputPachube outPachube;
+__attribute((section("AHBSRAM0"))) static IoTRouting rtr;
 
 // Pachube config
-__attribute__((section("AHBSRAM0"))) static char pachubeApiKey[65];
+__attribute((section("AHBSRAM0"))) static char pachubeApiKey[65];
 
 // MQTT config
-__attribute((section("AHBSRAM0"))) IpAddr mqttHostAddress( 0, 0, 0, 0);
+__attribute((section("AHBSRAM0"))) static IpAddr mqttHostAddress( 0, 0, 0, 0);
+__attribute((section("AHBSRAM0"))) short mqttPort;
+__attribute((section("AHBSRAM0"))) static char mqttUsername[MAX_LINE_LENGTH];
+__attribute((section("AHBSRAM0"))) static char mqttPassword[MAX_LINE_LENGTH];
+__attribute((section("AHBSRAM0"))) bool useMQTT = false;
+
 //char mqttHostName[65];
 
 
 // RFM12B config
 __attribute((section("AHBSRAM0"))) static string rfm12bBands[4] = {"xxx", "433", "868", "915" };
-__attribute((section("AHBSRAM0"))) uint8_t rfm12bId;
-__attribute((section("AHBSRAM0"))) uint8_t rfm12bBand;
-__attribute((section("AHBSRAM0"))) uint8_t rfm12bGroup;
+__attribute((section("AHBSRAM0"))) static uint8_t rfm12bId;
+__attribute((section("AHBSRAM0"))) static uint8_t rfm12bBand;
+__attribute((section("AHBSRAM0"))) static uint8_t rfm12bGroup;
 
 #define iotConfigFile "/iotfs/IOTSETUP.TXT"
-#define startUrlFile  "/iotfs/START.URL"
+
 
 __attribute((section("AHBSRAM0"))) RF12B rfm12b(p11, p12, p13, p14, p18);
-
 __attribute((section("AHBSRAM0"))) Serial pc(USBTX, USBRX); // tx, rx
 
 // Utility functions
 
-
 /** convert string to IP address
  *
  * @param ipAddrInt  IP address as single 32bit integer
@@ -179,19 +191,38 @@
             if ( strcmp( nameStr, "ip.address" ) == 0 ) {
                 setIpAddress( &tmpAddress[0], valueStr );
                 ipAddress = IpAddr( tmpAddress[0],tmpAddress[1],tmpAddress[2],tmpAddress[3]);
-            } else             if ( strcmp( nameStr, "ip.netmask" ) == 0 ) {
+                
+            } else if ( strcmp( nameStr, "ip.netmask" ) == 0 ) {
                 setIpAddress( &tmpAddress[0], valueStr );
                 netMask = IpAddr( tmpAddress[0],tmpAddress[1],tmpAddress[2],tmpAddress[3]);
-            } else             if ( strcmp( nameStr, "ip.gateway" ) == 0 ) {
+                
+            } else if ( strcmp( nameStr, "ip.gateway" ) == 0 ) {
                 setIpAddress( &tmpAddress[0], valueStr );
                 gwAddress = IpAddr( tmpAddress[0],tmpAddress[1],tmpAddress[2],tmpAddress[3]);
-            } else             if ( strcmp( nameStr, "ip.dns" ) == 0 ) {
+                
+            } else if ( strcmp( nameStr, "ip.dns" ) == 0 ) {
                 setIpAddress( &tmpAddress[0], valueStr );
                 dnsAddress = IpAddr( tmpAddress[0],tmpAddress[1],tmpAddress[2],tmpAddress[3]);
+
+            }  else if ( strcmp( nameStr, "ip.mode" ) == 0 ) {
+                useDHCP = (strncmp( valueStr, "dhcp", 4) == 0 ? true : false);
+                
             }  else if ( strcmp( nameStr, "pachube.key" ) == 0 ) {
                 strcpynull(pachubeApiKey, valueStr );
-            }  else if ( strcmp( nameStr, "ip.mode" ) == 0 ) {
-                useDHCP = (strncmp( valueStr, "dhcp", 4) == 0 ? true : false);
+                
+            } else if ( strcmp( nameStr, "mqtt.host" ) == 0 ) {
+                setIpAddress( &tmpAddress[0], valueStr );
+                mqttHostAddress = IpAddr( tmpAddress[0],tmpAddress[1],tmpAddress[2],tmpAddress[3]);
+
+            } else if ( strcmp( nameStr, "mqtt.port" ) == 0 ) {
+                mqttPort = atoi( valueStr );
+
+            }  else if ( strcmp( nameStr, "mqtt.username" ) == 0 ) {
+                strcpynull(mqttUsername, valueStr );
+                
+            }  else if ( strcmp( nameStr, "mqtt.password" ) == 0 ) {
+                strcpynull(mqttPassword, valueStr );
+                
             }  else if ( strcmp( nameStr, "rfm12b.band" ) == 0 ) {
                 if ( strncmp( valueStr, "433", 3 ) == 0 )
                     rfm12bBand = RF12_433MHZ;
@@ -199,6 +230,7 @@
                     rfm12bBand = RF12_868MHZ;
                 else if ( strncmp( valueStr, "915", 3 ) == 0 )
                     rfm12bBand = RF12_915MHZ;
+                    
             }  else if ( strcmp( nameStr, "rfm12b.id" ) == 0 ) {
                 rfm12bId = atoi( valueStr );
             }  else if ( strcmp( nameStr, "rfm12b.group" ) == 0 ) {
@@ -232,7 +264,6 @@
     ctTime = time(NULL);
 
     fprintf(fp, "# iotsetup created (UTC) %s\n", ctime(&ctTime));
-    fprintf(fp, "pachube.key=%s\n", pachubeApiKey );
     fprintf(fp, "ip.mode=%s\n", (useDHCP ? "dhcp" : "fixed") );
     // Add msg to say net config being ignored
     if ( useDHCP )
@@ -249,6 +280,14 @@
 
     fprintf(fp, "time.timezone=GMT\n");
     fprintf(fp, "time.dst=yes\n");
+
+    fprintf(fp, "pachube.key=%s\n", pachubeApiKey );
+
+    fprintf(fp, "mqtt.host=%hhu.%hhu.%hhu.%hhu\n",mqttHostAddress[0],mqttHostAddress[1],mqttHostAddress[2],mqttHostAddress[3]);
+    fprintf(fp, "mqtt.port=%d\n",mqttPort);
+    fprintf(fp, "mqtt.username=%s\n", mqttUsername );
+    fprintf(fp, "mqtt.password=%s\n", mqttPassword );
+
     fclose(fp);
 
     return true;
@@ -327,14 +366,23 @@
 
     outPachube = OutputPachube();
     outPachube.setApiKey( pachubeApiKey );
-//    IpAddr serverIpAddr(192,168,1,77);
-//    OutputMqtt outMqtt = OutputMqtt();
-//    outMqtt.setHost( &serverIpAddr );
+//    printf("MAIN: outPachube = %ld\n",(int)&outPachube);
+    rtr.addOutput( (OutputDef*)&outPachube , OUTPUT_TYPE_PACHUBE);
+
 
-//    printf("MAIN: outPachube = %ld\n",(int)&outPachube);
-    rtr.addOutput( (OutputDef*)&outPachube , 1);
-//    rtr.addOutput( (OutputDef*)&outMqtt , 2);
+    //mqttHostAddress = IpAddr(192,168,1,77);
+    OutputMqtt outMqtt = OutputMqtt();
+//    mqttHostAddress = resolver.resolveName("api.pachube.com");
+    // Only use MQTT is we have a host IP address
+    if( mqttHostAddress[0] > 0 && mqttHostAddress[3] > 0 ) {
+        outMqtt.initConnection( &mqttHostAddress, mqttPort, mqttUsername, mqttPassword );
+        //( &serverIpAddr );
+        useMQTT = outMqtt.init();
 
+        if( useMQTT )
+            rtr.addOutput( (OutputDef*)&outMqtt , OUTPUT_TYPE_MQTT);
+    }
+    
     rtr.initRouting();
 
     printf("Setup OK\n");
@@ -392,6 +440,11 @@
             tm.start();
         }
 
+        // If using mqtt then send heartbeat
+        if(useMQTT) {
+            outMqtt.send();     // Used for heartbeat/keepalive packet
+        }
+                    
         linkLED = !ethernet.link();
 
     }