More refactoring

Lots of things removed but compiles again

source/dds.h

@@ -0,0 +1,62 @@
+#ifndef _DDS_H
+#define _DDS_H
+
+#include "spi.h"
+#include "io.h"
+
+#define	TX_SYS_CLK		12000000	// 12MHZ
+#define	DDS_CLK			TX_SYS_CLK
+
+#define RAMP_300KHZ     6710886
+
+#define FREQ_MAX_NUM	 50		//Max number of frequencies allowed
+#define	FREQ_MIN	0
+#define	FREQ0_REG	0x4000		// Address of internal 9838 register
+#define FRQ_CTRL_WORD1	0x2100	// Control register with Reset bit active
+#define	FRQ_CTRL_WORD2	0x2000	// Exit Reset Control Word
+#define PHASE_RESET		0xC000	// PHASE Register 0 = 0;
+
+#define RAMP_CTRL_WORD1	    0x2102
+#define RAMP_CTRL_WORD2	    0x2002
+#define RAMP_CTRL_WORD3	    0x2002	// TODO Places wavegen in sleep mode
+#define SLP_CTRL_WRD        0x2180		// Power down unused DDS
+#define SLP_CTRL_WRD2       0x21C0
+
+#define BCAST_MIN	3140
+#define BCAST_MAX 	200000
+#define	DUMMY_FRQ	250
+#define MIN_BLOCK_FREQ	20000
+#define MASK_15		0b00000000
+#define MASK_58		0b00001000
+#define MASK_144	0b00011000
+#define CLK_MASK_BITS 0b11100111
+#define	MAX_LD_FREQ 10000
+
+//FREQUENCY PACKING - from RX so it has extra fields
+#define FREQ_PACK_MASK_FREQ		0x0007ffff	//target frequency				bits 0 - 18
+#define FREQ_PACK_MASK_TYPE		0x00380000	//3-bit field for FREQ_TYPE_t. 	bits 19 - 21
+#define FREQ_PACK_SHIFT_TYPE	19			//Frequency type shift
+#define FREQ_PACK_MASK_ENABLED	0x80000000	//enabled mask
+#define FREQ_PACK_SHIFT_ENABLED	31			//enabled shift					bit 31
+#define FREQ_PACK_MASK_INMENU	0x40000000	//inMenu mask
+#define FREQ_PACK_SHIFT_INMENU	30			//inMenu shift					bit 30
+
+//Locate direction (LD)
+#define FREQ_LD_MAX_FREQUENCY	10000		//LD runs at or below this frequency
+#define FREQ_LD_SWITCH_POINT	1500		//At or below this freq, f2 is f1 * 2. above this f2 = f1 / 2
+
+typedef struct
+{
+    SPI_MODE_t mode;
+    
+    uint32_t frequency;
+
+    // reset pin
+    gpio_pin_t resetPin;
+
+} dds_t;
+
+void dds_init(dds_t *dds, SPI_MODE_t mode, gpio_pin_t resetPin);
+void dds_reset(dds_t *dds, bool reset);
+void dds_sleep(dds_t *dds, bool sleep, bool disableDAC);
+#endif