Diff: global.h

Revision:

0:82ff15078322

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/global.h	Wed Jan 25 20:32:53 2012 +0000
@@ -0,0 +1,67 @@
+/*---------------------------------------------------------------------------
+
+    QRSS Receiver Application
+        
+    by Clayton ZL3TKA/VK1TKA
+    clayton@isnotcrazy.com
+
+    Header File for global definitions
+
+---------------------------------------------------------------------------*/
+#ifndef _GLOBAL_H
+#define _GLOBAL_H
+
+// Definitions
+
+// Size of data buffers (in samples)
+#define BUFFERSYS_SIZE          512
+
+// Number of buffers
+#define NUM_OF_BUFFERS          4
+
+// Number of co-efficients in the FIR filter
+#define DSP_FIR_COEFFICIENTS    511
+
+// ADC Clock (13.5MHz)
+#define ADC_CLOCK               13500000
+
+// Sample Rate (35156 SPS)
+#define SAMPLE_RATE             (ADC_CLOCK/384)
+
+// Decimation amount - ratio
+#define DECIMATION_RATIO        64
+
+// Size of LPF output per Buffer
+//  (BUFFERSYS_SIZE/DECIMATION_RATIO)
+#define LPF_OUTPUTS_SIZE        8
+
+// Decimation Rate (35156/64 = 549 SPS)
+#define DECIMATED_RATE          (SAMPLE_RATE/DECIMATION_RATIO)
+
+// Scale Factor rate of FIR filter result to output sample
+// 32 bit sample * 16 bit coefficient * 511 scaled down to 32 bits
+//  32+16+9 bits = 57. Reduce by 25
+#define FIR_SHIFT_FACTOR        25
+
+// First LO in the Softrock (10.125MHz)
+#define FIRST_LO                (ADC_CLOCK*3/4)
+
+// Test NCO freq - approx 15kHz
+#define TEST_NCO_FREQ           (15600)
+
+// Size of each sample set in bytes - size of TDataSample
+#define SAMPLE_SET_SIZE         (8)
+
+// QRSS System UDP Port
+#define QRSS_UDP_PORT           6595
+
+// comments
+
+// Macros
+
+#endif
+
+//---------------------------------------------------------------------------
+//  END
+//---------------------------------------------------------------------------
+