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waver : display detected Rx in spectrogram

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This commit is contained in:
Georgi Gerganov
2021-02-28 09:33:32 +02:00
parent 4c3b249bf5
commit a0f5e9e3da
3 changed files with 40 additions and 3 deletions
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37
examples/waver/common.cpp
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@@ -1875,10 +1875,13 @@ void renderMain() {
static float scale = 30.0f;
static bool showFPS = false;
static bool showRx = true;
static bool showSpectrogram = false;
static const float kSpectrogramTime_s = 3.0f;
// 3 seconds data
static int freqDataSize = (3.0f*statsCurrent.sampleRateInp)/statsCurrent.samplesPerFrame;
static int freqDataSize = (kSpectrogramTime_s*statsCurrent.sampleRateInp)/statsCurrent.samplesPerFrame;
static int freqDataHead = 0;
struct FreqData {
@@ -1921,6 +1924,8 @@ void renderMain() {
snprintf(buf, 64, "Bin: %3d, Freq: %5.2f Hz", binMax, 0.5*binMax*statsCurrent.sampleRateInp/nBins);
ImGui::DragInt("##binMax", &binMax, 1, binMin + 1, nBins, buf);
ImGui::SameLine();
ImGui::Checkbox("Rx", &showRx);
ImGui::SameLine();
ImGui::DragFloat("##scale", &scale, 1.0f, 1.0f, 1000.0f);
ImGui::PopItemWidth();
}
@@ -2030,6 +2035,36 @@ void renderMain() {
ImGui::EndChild();
ImGui::PopID();
while (showRx && messageHistory.size() > 0) {
const auto& msg = messageHistory.back();
static float tRecv = 0.0;
if (g_buffer.inputUI.needSpectrum) {
tRecv = 0.001f*std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now() - msg.timestamp).count();
}
if (tRecv > 2.0f*kSpectrogramTime_s || msg.received == false) {
break;
}
const auto & protocol = settings.txProtocols.at(GGWave::TxProtocolId(msg.protocolId));
const int msgLength_bytes = settings.isFixedLength ? 1.4f*settings.payloadLength : 1.4f*msg.data.size() + GGWave::kDefaultEncodedDataOffset;
const int msgLength_frames = settings.isFixedLength ?
((msgLength_bytes + protocol.bytesPerTx - 1)/protocol.bytesPerTx)*protocol.framesPerTx :
((msgLength_bytes + protocol.bytesPerTx - 1)/protocol.bytesPerTx)*protocol.framesPerTx + 2*GGWave::kDefaultMarkerFrames;
const float frameLength_s = (float(statsCurrent.samplesPerFrame)/statsCurrent.sampleRateInp);
const float x0 = protocol.freqStart - binMin;
const float x1 = x0 + 32*protocol.bytesPerTx;
const float y1 = freqDataSize - tRecv/frameLength_s + (settings.isFixedLength ? 0.0f : 0.5*GGWave::kDefaultMarkerFrames);
const float y0 = y1 - msgLength_frames;
ImVec4 c = { 1.0f, 0.0f, 0.0, 1.0f };
drawList->AddRect({ p0.x + x0*dx, p0.y + y0*dy }, { p0.x + x1*dx + dx, p0.y + y1*dy }, ImGui::ColorConvertFloat4ToU32(c));
break;
}
}
break;
};