Made changes to ethstream to work with new clock

git-svn-id: https://bucket.mit.edu/svn/nilm/acquisition/ethstream@7415 ddd99763-3ecb-0310-9145-efcb8ce7c51f

ethstream.c

@@ -421,6 +421,7 @@ nerdDoStream (const char *address, int *channel_list, int channel_count,
   int fd_data;
   static int first_call = 1;
   static int started = 0;
+  static int wasreset = 0;
   getPacket command;
   static unsigned short currentcount = 0;
 
@@ -463,6 +464,7 @@ nerdDoStream (const char *address, int *channel_list, int channel_count,
           printf("# NerdJack was reset here\n");
           currentcount = 0;
           started = 0;
+          wasreset = 1;
           goto out;
       } else if(retval < 0) {
 	      info ("Failed to send SETC command\n");
@@ -483,7 +485,8 @@ nerdDoStream (const char *address, int *channel_list, int channel_count,
 
   retval = nerd_data_stream
       (fd_data, channel_count, channel_list, precision, convert, lines,
-       showmem, &currentcount, period);
+       showmem, &currentcount, period, wasreset);
+  wasreset = 0;
   if(retval == -3)
   {
       retval = 0;

nerdjack.c

@@ -39,7 +39,6 @@ typedef struct __attribute__ ((__packed__))
   unsigned char headerone;
   unsigned char headertwo;
   unsigned short packetNumber;
-  unsigned long lwipmemoryused;
   unsigned short adcused;
   unsigned short packetsready;
   signed short data[NERDJACK_NUM_SAMPLES];
@@ -263,7 +262,8 @@ nerd_init_channels (deststruct * destination, int numChannels,
 int
 nerd_data_stream (int data_fd, int numChannels, int *channel_list,
 		  int precision, int convert, int lines, int showmem,
-		  unsigned short *currentcount, unsigned int period)
+		  unsigned short *currentcount, unsigned int period,
+                  int wasreset)
 {
   //Variables that should persist across retries
   static dataPacket buf;
@@ -279,7 +279,7 @@ nerd_data_stream (int data_fd, int numChannels, int *channel_list,
   int i;
 
 
-  unsigned long memused = 0;
+  //unsigned long memused = 0;
   unsigned short packetsready = 0;
   unsigned short adcused = 0;
   unsigned short tempshort = 0;
@@ -300,6 +300,10 @@ nerd_data_stream (int data_fd, int numChannels, int *channel_list,
       linesleft = lines;
     }
 
+  if(wasreset) {
+    linesdumped = 0;
+  }
+
 
   int numChannelsSampled = channel_list[0] + 1;
 
@@ -368,20 +372,20 @@ nerd_data_stream (int data_fd, int numChannels, int *channel_list,
 
       //Process the rest of the header and update the index value to be pointing after it
       charsprocessed = 12;
-      memused = ntohl (buf.lwipmemoryused);
+      //memused = ntohl (buf.lwipmemoryused);
       adcused = ntohs (buf.adcused);
       packetsready = ntohs (buf.packetsready);
       alignment = 0;
       numgroups = 0;
 
-      if(memused) {
-          printf("#Packet lost\n");
-          continue;
-      }
+      //if(memused) {
+      //    printf("#Packet lost\n");
+      //    continue;
+      //}
 
       if (showmem)
 	{
-	  printf ("%lX %hd %hd\n", memused, adcused, packetsready);
+	  printf ("%hd %hd\n", adcused, packetsready);
 	  continue;
 	}
 

nerdjack.h

@@ -16,13 +16,13 @@
 #include "netutil.h"
 
 #define NERDJACK_CHANNELS 12
-#define NERDJACK_CLOCK_RATE 54000000
+#define NERDJACK_CLOCK_RATE 66000000
 #define NERDJACK_DATA_PORT 49155
 #define NERDJACK_UDP_RECEIVE_PORT 49156
 #define NERDJACK_COMMAND_PORT 49157
 
 #define NERDJACK_PACKET_SIZE 1460
-#define NERDJACK_NUM_SAMPLES 724
+#define NERDJACK_NUM_SAMPLES 726
 
 /* Packet structure used in message to start sampling on NerdJack */
 typedef struct __attribute__ ((__packed__))
@@ -49,7 +49,8 @@ int nerd_send_command (const char *address, void *command, int length);
 /* Stream data out of the NerdJack */
 int nerd_data_stream (int data_fd, int numChannels, int *channel_list,
 		      int precision, int convert, int lines, int showmem,
-		      unsigned short *currentcount, unsigned int period);
+		      unsigned short *currentcount, unsigned int period,
+                      int wasreset);
 
 /* Detect the IP Address of the NerdJack and return in ipAddress */
 int nerdjack_detect (char *ipAddress);