X-Git-Url: http://git.code-monkey.de/?a=blobdiff_plain;f=pv%2Fdata%2Flogicsnapshot.h;h=bcb644da58da7073831883920f4294535eae8a2d;hb=6ac6242b25cfbd4df14abe7580adc9d0f4cffe43;hp=9868a212561fb17364cdd98f525c882432675371;hpb=023887ca1d8a104b4bef287b7cea8d403044a41b;p=pulseview.git

diff --git a/pv/data/logicsnapshot.h b/pv/data/logicsnapshot.h
index 9868a21..bcb644d 100644
--- a/pv/data/logicsnapshot.h
+++ b/pv/data/logicsnapshot.h
@@ -27,11 +27,11 @@
 #include <vector>
 
 namespace LogicSnapshotTest {
-class Pow2;
-class Basic;
-class LargeData;
-class Pulses;
-class LongPulses;
+struct Pow2;
+struct Basic;
+struct LargeData;
+struct Pulses;
+struct LongPulses;
 }
 
 namespace pv {
@@ -58,13 +58,20 @@ public:
 	typedef std::pair<int64_t, bool> EdgePair;
 
 public:
-	LogicSnapshot(const sr_datafeed_logic &logic);
+	LogicSnapshot(const sr_datafeed_logic &logic,
+	              uint64_t expected_num_samples = 0);
 
 	virtual ~LogicSnapshot();
 
 	void append_payload(const sr_datafeed_logic &logic);
 
+	void get_samples(uint8_t *const data,
+		int64_t start_sample, int64_t end_sample) const;
+
 private:
+	uint64_t unpack_sample(const uint8_t *ptr) const;
+	void pack_sample(uint8_t *ptr, uint64_t value);
+	
 	void reallocate_mipmap_level(MipMapLevel &m);
 
 	void append_payload_to_mipmap();
@@ -95,11 +102,11 @@ private:
 	struct MipMapLevel _mip_map[ScaleStepCount];
 	uint64_t _last_append_sample;
 
-	friend class LogicSnapshotTest::Pow2;
-	friend class LogicSnapshotTest::Basic;
-	friend class LogicSnapshotTest::LargeData;
-	friend class LogicSnapshotTest::Pulses;
-	friend class LogicSnapshotTest::LongPulses;
+	friend struct LogicSnapshotTest::Pow2;
+	friend struct LogicSnapshotTest::Basic;
+	friend struct LogicSnapshotTest::LargeData;
+	friend struct LogicSnapshotTest::Pulses;
+	friend struct LogicSnapshotTest::LongPulses;
 };
 
 } // namespace data