#include <utility>
#include <vector>
+#include <QObject>
+
+using std::pair;
+using std::shared_ptr;
+using std::vector;
+
namespace sigrok {
class Logic;
}
namespace pv {
namespace data {
+class Logic;
+
class LogicSegment : public Segment
{
-private:
- struct MipMapLevel
- {
- uint64_t length;
- uint64_t data_length;
- void *data;
- };
+ Q_OBJECT
+
+public:
+ typedef pair<int64_t, bool> EdgePair;
-private:
static const unsigned int ScaleStepCount = 10;
static const int MipMapScalePower;
static const int MipMapScaleFactor;
static const float LogMipMapScaleFactor;
static const uint64_t MipMapDataUnit;
-public:
- typedef std::pair<int64_t, bool> EdgePair;
+private:
+ struct MipMapLevel
+ {
+ uint64_t length;
+ uint64_t data_length;
+ void *data;
+ };
public:
- LogicSegment(std::shared_ptr<sigrok::Logic> logic,
- uint64_t samplerate, uint64_t expected_num_samples = 0);
+ LogicSegment(pv::data::Logic& owner, uint32_t segment_id,
+ unsigned int unit_size, uint64_t samplerate);
virtual ~LogicSegment();
- void append_payload(std::shared_ptr<sigrok::Logic> logic);
+ void append_payload(shared_ptr<sigrok::Logic> logic);
+ void append_payload(void *data, uint64_t data_size);
- void get_samples(uint8_t *const data,
- int64_t start_sample, int64_t end_sample) const;
+ void get_samples(int64_t start_sample, int64_t end_sample, uint8_t* dest) 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();
-
- uint64_t get_sample(uint64_t index) const;
-
-public:
/**
* Parses a logic data segment to generate a list of transitions
* in a time interval to a given level of detail.
* can be resolved at this level of detail.
* @param[in] sig_index The index of the signal.
*/
- void get_subsampled_edges(std::vector<EdgePair> &edges,
+ void get_subsampled_edges(vector<EdgePair> &edges,
uint64_t start, uint64_t end,
- float min_length, int sig_index);
+ float min_length, int sig_index, bool first_change_only = false);
+
+ void get_surrounding_edges(vector<EdgePair> &dest,
+ uint64_t origin_sample, float min_length, int sig_index);
+
+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();
+
+ uint64_t get_unpacked_sample(uint64_t index) const;
private:
uint64_t get_subsample(int level, uint64_t offset) const;
static uint64_t pow2_ceil(uint64_t x, unsigned int power);
private:
+ Logic& owner_;
+
struct MipMapLevel mip_map_[ScaleStepCount];
uint64_t last_append_sample_;