nerdjack packet size

nerdjack.c

@@ -28,13 +28,16 @@
 #define NERD_HEADER_SIZE 8
 #define MAX_SOCKETS 32
 
+int NERDJACK_PACKET_SIZE = 1448;
+int NERDJACK_NUM_SAMPLES = 720;
+
 typedef struct __attribute__ ((__packed__)) {
 	unsigned char headerone;
 	unsigned char headertwo;
 	unsigned short packetNumber;
 	unsigned short adcused;
 	unsigned short packetsready;
-	signed short data[NERDJACK_NUM_SAMPLES];
+	signed short data[720];
 } dataPacket;
 
 struct discovered_socket {
@@ -439,6 +442,9 @@ nerd_data_stream(int data_fd, int numChannels, int *channel_list,
 	int numgroupsProcessed = 0;
 	double volts;
 
+	NERDJACK_NUM_SAMPLES = numChannelsSampled * 90;
+	NERDJACK_PACKET_SIZE = NERDJACK_NUM_SAMPLES * 2 + 8;
+
 	//The timeout should be the expected time plus 60 seconds
 	//This permits slower speeds to work properly
 	unsigned int expectedtimeout =

nerdjack.h

@@ -21,8 +21,8 @@
 #define NERDJACK_UDP_RECEIVE_PORT 49156
 #define NERDJACK_COMMAND_PORT 49157
 
-#define NERDJACK_PACKET_SIZE 1460
-#define NERDJACK_NUM_SAMPLES 726
+//#define NERDJACK_PACKET_SIZE 1460
+//#define NERDJACK_NUM_SAMPLES 726
 
 /* Packet structure used in message to start sampling on NerdJack */
 typedef struct __attribute__ ((__packed__)) {