From e668acaa3a11c18059707fcd373735cf331ab200 Mon Sep 17 00:00:00 2001
From: Joseph Poirier <jdpoirier@gmail.com>
Date: Tue, 20 Jun 2017 11:23:02 -0500
Subject: [PATCH] add bias tee support, bump version, update copyright date

---
 exports.go                       |  2 +-
 mock_test/gortlsdr/librtlsdr.c   | 12 +++++++++---
 mock_test/gortlsdr/rtl-sdr_moc.h |  9 +++++++++
 mock_test/main.go                | 25 ++++++++++++++++++++++++-
 rtlsdr.go                        | 14 ++++++++++++--
 5 files changed, 55 insertions(+), 7 deletions(-)

diff --git a/exports.go b/exports.go
index e6ea415..1076ee7 100644
--- a/exports.go
+++ b/exports.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2012-2016 Joseph D Poirier
+// Copyright (c) 2012-2017 Joseph D Poirier
 // Distributable under the terms of The New BSD License
 // that can be found in the LICENSE file.
 
diff --git a/mock_test/gortlsdr/librtlsdr.c b/mock_test/gortlsdr/librtlsdr.c
index 6e12e44..b399d4b 100644
--- a/mock_test/gortlsdr/librtlsdr.c
+++ b/mock_test/gortlsdr/librtlsdr.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015-2016 Joseph D Poirier
+ * Copyright (c) 2015-2017 Joseph D Poirier
  * Distributable under the terms of The New BSD License
  * that can be found in the LICENSE file.
  *
@@ -22,8 +22,8 @@
 #define DEBVICE_CNT (3)
 #define DEVICE_GAIN_CNT (29)
 #define EEPROM_SIZE (256)
-#define DEFAULT_BUF_NUMBER	(15)
-#define DEFAULT_BUF_LENGTH	(16 * 32 * 512)
+#define DEFAULT_BUF_NUMBER (15)
+#define DEFAULT_BUF_LENGTH (16 * 32 * 512)
 #define STRINGS_OFFSET_START (9)
 #define MAX_RAW_STR_SZ (2*35+2)
 
@@ -641,3 +641,9 @@ int rtlsdr_cancel_async(rtlsdr_dev_t *dev) {
 	pthread_mutex_unlock(&dev->lock);
 	return 0;
 }
+
+int rtlsdr_set_bias_tee(rtlsdr_dev_t *dev, int on) {
+	if (!dev)
+		return -1;
+	return 0;
+}
diff --git a/mock_test/gortlsdr/rtl-sdr_moc.h b/mock_test/gortlsdr/rtl-sdr_moc.h
index 121c0ab..b3f21e1 100644
--- a/mock_test/gortlsdr/rtl-sdr_moc.h
+++ b/mock_test/gortlsdr/rtl-sdr_moc.h
@@ -431,6 +431,15 @@ extern int rtlsdr_read_async(rtlsdr_dev_t *dev,
  */
 extern int rtlsdr_cancel_async(rtlsdr_dev_t *dev);
 
+/*!
+ * Enable or disable the bias tee on GPIO PIN 0.
+ *
+ * \param dev the device handle given by rtlsdr_open()
+ * \param on  1 for Bias T on. 0 for Bias T off.
+ * \return -1 if device is not initialized. 0 otherwise.
+ */
+extern int rtlsdr_set_bias_tee(rtlsdr_dev_t *dev, int on);
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/mock_test/main.go b/mock_test/main.go
index a3c724b..f5e0d08 100644
--- a/mock_test/main.go
+++ b/mock_test/main.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2015-2016 Joseph D Poirier
+// Copyright (c) 2015-2017 Joseph D Poirier
 // Distributable under the terms of The New BSD License
 // that can be found in the LICENSE file.
 
@@ -369,6 +369,26 @@ func SetHwInfo(d *rtl.Context, i int) {
 	}
 }
 
+func SetBiasTee(d *rtl.Context, i int) {
+	var err error
+
+	if err = d.SetBiasTee(true); err != nil {
+		failed++
+		log.Printf("--- FAILED, SetBiasTee i:%d - %s\n", i, err)
+	} else {
+		passed++
+		log.Printf("--- PASSED, SetBiasTee i:%d\n", i)
+	}
+
+	if err = d.SetBiasTee(false); err != nil {
+		failed++
+		log.Printf("--- FAILED, SetBiasTee i:%d - %s\n", i, err)
+	} else {
+		passed++
+		log.Printf("--- PASSED, SetBiasTee i:%d\n", i)
+	}
+}
+
 var asyncReadCnt int
 
 func rtlsdrCb(buf []byte) {
@@ -505,6 +525,9 @@ func main() {
 		GetOffsetTuning(d, i)
 		SetOffsetTuning(d, i)
 
+		SetBiasTee(d, i)
+		SetBiasTee(d, i)
+                
 		SetHwInfo(d, i)
 		GetHwInfo(d, i)
 
diff --git a/rtlsdr.go b/rtlsdr.go
index 73e5f56..37792ac 100644
--- a/rtlsdr.go
+++ b/rtlsdr.go
@@ -1,4 +1,4 @@
-// Copyright (c) 2012-2016 Joseph D Poirier
+// Copyright (c) 2012-2017 Joseph D Poirier
 // Distributable under the terms of The New BSD License
 // that can be found in the LICENSE file.
 
@@ -38,7 +38,7 @@ static inline rtlsdr_read_async_cb_t get_go_cb() {
 import "C"
 
 // PackageVersion is the current version
-var PackageVersion = "v2.9.16"
+var PackageVersion = "v2.10.0"
 
 // ReadAsyncCbT defines a user callback function type.
 type ReadAsyncCbT func([]byte)
@@ -587,6 +587,16 @@ func (dev *Context) CancelAsync() error {
 	return libError(i)
 }
 
+// SetBiasTee enables or disables bias tee.
+func (dev *Context) SetBiasTee(enable bool) error {
+	mode := 0 // off
+	if enable {
+		mode = 1 // on
+	}
+	i := int(C.rtlsdr_set_bias_tee((*C.rtlsdr_dev_t)(dev), C.int(mode)))
+	return libError(i)
+}
+
 // GetHwInfo gets the dongle's information items.
 func (dev *Context) GetHwInfo() (info HwInfo, err error) {
 	data := make([]uint8, EepromSize)