1 files changed, 108 insertions, 0 deletions
diff --git a/api/Elonics_E4000.c b/api/Elonics_E4000.c
new file mode 100644
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--- /dev/null
+++ b/api/Elonics_E4000.c
@@ -0,0 +1,108 @@
+/**
+ * @(#)Afa_E4000.cpp
+ *
+ * ==========================================================
+ * Version: 2.0
+ * Date:    2008.07.02
+ * ==========================================================
+ *
+ * ==========================================================
+ * History:
+ *
+ * Date         Author      Description
+ * ----------------------------------------------------------
+ *
+ * 2008.07.02   Tom Lin     added tuner version
+ * ==========================================================
+ *
+ * Copyright 2005 Afatech, Inc. All rights reserved.
+ *
+ */
+
+//#include <stdio.h> //for Linux
+#include "type.h"
+#include "error.h"
+#include "user.h"
+#include "register.h"
+#include "standard.h"
+#include "e4000.h"
+#include "Elonics_E4000.h"
+#include "Elonics_E4000_Script.h"
+
+
+Demodulator* E4000_demodulator;
+Byte E4000_chip;
+Word E4000_bandwidth;
+Dword E4000_frequency; 
+Dword Ref_clk=26000;  //Tuner reference clock frequency (kHz)
+
+Dword E4000_open (
+	IN  Demodulator*	demodulator,
+	IN  Byte			chip
+	) {
+	E4000_demodulator = demodulator;
+	E4000_chip = chip;
+
+    E4000_tunerreset ();
+    E4000_Tunerclock();
+   // E4000_filtercal();
+    E4000_Qpeak();
+    E4000_DCoffloop();
+    //E4000_commonmode();
+    E4000_GainControlinit();
+	return (Error_NO_ERROR);
+}
+
+
+Dword E4000_close (
+	IN  Demodulator*	demodulator,
+	IN  Byte			chip
+	) 
+{
+	E4000_demodulator = demodulator;
+	E4000_chip = chip;
+	Dword error = 0;
+	Byte buffer[1];
+	buffer[0] = 0x00;
+	error = Standard_writeTunerRegisters (E4000_demodulator, E4000_chip, 0x00, 1, buffer);
+	//Powers down tuner (will recover if tuner initialisation is subsequently run)
+	return (Error_NO_ERROR);
+}
+
+
+Dword E4000_set (
+	IN  Demodulator*	demodulator,
+	IN  Byte			chip,
+	IN  Word			bandwidth,
+	IN  Dword			frequency
+) {
+	E4000_demodulator = demodulator;
+	E4000_chip = chip;
+	E4000_bandwidth=bandwidth;
+	E4000_frequency=frequency;
+	E4000_Gainmanual();
+	E4000_PLL();
+	E4000_LNAfilter();
+	E4000_IFfilter();
+	E4000_freqband();
+	E4000_DCoffLUT();
+    E4000_Gainauto();
+	Dword error = 0;
+return (Error_NO_ERROR);	
+}
+
+
+
+
+TunerDescription tuner_E4000 = {
+    E4000_open,
+    E4000_close,
+    E4000_set,
+    E4000_scripts,
+    E4000_scriptSets,
+    0xC8,                              /** tuner i2c address */
+    1,                              /** length of tuner register address */
+    0,                       /** tuner if */
+    False,                           /** spectrum inverse */
+    0xFF,                           /** tuner id */
+};