[WIP] USB HS hacks

scopeprotocols/USB2PCSDecoder.cpp

@@ -204,7 +204,7 @@ void USB2PCSDecoder::RefreshIterationIdle(
 			}
 
 			state = STATE_SYNC;
-			count = 1;
+			count = 0;
 			break;
 
 		case USB2PMASymbol::TYPE_SE0:
@@ -240,7 +240,7 @@ void USB2PCSDecoder::RefreshIterationSync(
 	auto sin = din->m_samples[nin];
 
 	//Odd numbered position
-	if( (count == 1) || (count == 3) || (count == 5) )
+	if (count & 1 && count < 30)
 	{
 		//Should be one UI long, and a J. Complain if not.
 		if( (sample_width_ui > 1.5) || (sample_width_ui < 0.5) ||
@@ -263,7 +263,7 @@ void USB2PCSDecoder::RefreshIterationSync(
 	}
 
 	//Even numbered position, but not the last
-	else if( (count == 2) || (count == 4) )
+	else if( count < 30 )
 	{
 		//Should be one UI long, and a K. Complain if not.
 		if( (sample_width_ui > 1.5) || (sample_width_ui < 0.5) ||
@@ -416,6 +416,15 @@ void USB2PCSDecoder::RefreshIterationData(
 	//Process the actual data
 	size_t num_bits = round(sample_width_ui);
 	size_t last_num_bits = round(last_sample_width_ui);
+	if(num_bits > 6) {
+		//Bitstuff error, treat as EOP
+		size_t duration = din->m_durations[nin];
+		cap->m_offsets.push_back(offset);
+		cap->m_durations.push_back(duration);
+		cap->m_samples.push_back(USB2PCSSymbol(USB2PCSSymbol::TYPE_EOP, 0));
+		return;
+
+	}
 	for(size_t i=0; i<num_bits; i++)
 	{
 		//First bit is either a bitstuff or 0 bit

scopeprotocols/USB2PMADecoder.cpp

@@ -130,8 +130,8 @@ void USB2PMADecoder::Refresh()
 	auto cap = new USB2PMAWaveform;
 	for(size_t i=0; i<len; i++)
 	{
-		bool bp = (din_p->m_samples[i] > 0.4);
-		bool bn = (din_n->m_samples[i] > 0.4);
+		bool bp = (din_p->m_samples[i] > 0.2);
+		bool bn = (din_n->m_samples[i] > 0.2);
 
 		USB2PMASymbol::SegmentType type = USB2PMASymbol::TYPE_SE1;
 		if(bp && bn)