/*
- * This file is part of the sigrok project.
+ * This file is part of the PulseView project.
*
* Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
*
#include <boost/test/unit_test.hpp>
-#include "../logicdatasnapshot.h"
+#include "../extdef.h"
+#include "../pv/logicdatasnapshot.h"
using namespace std;
+using pv::LogicDataSnapshot;
+
BOOST_AUTO_TEST_SUITE(LogicDataSnapshotTest)
void push_logic(LogicDataSnapshot &s, unsigned int length, uint8_t value)
}
//----- Test LogicDataSnapshot::get_subsampled_edges -----//
+ // Check in normal case
vector<LogicDataSnapshot::EdgePair> edges;
-
s.get_subsampled_edges(edges, 0, Length-1, 1, 7);
BOOST_CHECK_EQUAL(edges.size(), 32);
}
BOOST_CHECK_EQUAL(edges[31].first, 999999);
+
+ // Check in very low zoom case
+ edges.clear();
+ s.get_subsampled_edges(edges, 0, Length-1, 50e6f, 7);
+
+ BOOST_CHECK_EQUAL(edges.size(), 2);
}
BOOST_AUTO_TEST_CASE(Pulses)
BOOST_CHECK_EQUAL(edges.back().second, false);
}
+BOOST_AUTO_TEST_CASE(LisaMUsbHid)
+{
+ /* This test was created from the beginning of the USB_DM signal in
+ * sigrok-dumps-usb/lisa_m_usbhid/lisa_m_usbhid.sr
+ */
+
+ const int Edges[] = {
+ 7028, 7033, 7036, 7041, 7044, 7049, 7053, 7066, 7073, 7079,
+ 7086, 7095, 7103, 7108, 7111, 7116, 7119, 7124, 7136, 7141,
+ 7148, 7162, 7500
+ };
+ const int Length = Edges[countof(Edges) - 1];
+
+ bool state = false;
+ int lastEdgePos = 0;
+
+ //----- Create a LogicDataSnapshot -----//
+ sr_datafeed_logic logic;
+ logic.unitsize = 1;
+ logic.length = Length;
+ logic.data = new uint8_t[Length];
+ uint8_t *data = (uint8_t*)logic.data;
+
+ for(int i = 0; i < countof(Edges); i++) {
+ const int edgePos = Edges[i];
+ memset(&data[lastEdgePos], state ? 0x02 : 0,
+ edgePos - lastEdgePos - 1);
+
+ lastEdgePos = edgePos;
+ state = !state;
+ }
+
+ LogicDataSnapshot s(logic);
+ delete[] (uint64_t*)logic.data;
+
+ vector<LogicDataSnapshot::EdgePair> edges;
+
+
+ /* The trailing edge of the pulse train is falling in the source data.
+ * Check this is always true at different scales
+ */
+
+ edges.clear();
+ s.get_subsampled_edges(edges, 0, Length-1, 33.333332f, 1);
+ BOOST_CHECK_EQUAL(edges[edges.size() - 2].second, false);
+}
+
+
BOOST_AUTO_TEST_SUITE_END()