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Attempt to improve frequency analyser on small LCD ... definitely not good

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This commit is contained in:
Bertrand Songis 2019-05-07 12:24:39 +02:00
parent 9dca2d6b79
commit 380a76eddd
3 changed files with 18 additions and 1 deletions
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12
radio/src/gui/common/stdlcd/radio_spectrum_analyser.cpp
View file

@ -88,6 +88,8 @@ void menuRadioSpectrumAnalyser(event_t event)
reusableBuffer.spectrumAnalyser.freq = uint32_t(checkIncDec(event, frequency, reusableBuffer.spectrumAnalyser.freqMin, reusableBuffer.spectrumAnalyser.freqMax, 0)) * 1000000; reusableBuffer.spectrumAnalyser.freq = uint32_t(checkIncDec(event, frequency, reusableBuffer.spectrumAnalyser.freqMin, reusableBuffer.spectrumAnalyser.freqMax, 0)) * 1000000;
if (checkIncDec_Ret) { if (checkIncDec_Ret) {
reusableBuffer.spectrumAnalyser.dirty = true; reusableBuffer.spectrumAnalyser.dirty = true;
memclear(reusableBuffer.spectrumAnalyser.peak, sizeof(reusableBuffer.spectrumAnalyser.peak));
memclear(reusableBuffer.spectrumAnalyser.bars, sizeof(reusableBuffer.spectrumAnalyser.bars));
} }
} }
break; break;
@ -103,6 +105,8 @@ void menuRadioSpectrumAnalyser(event_t event)
if (checkIncDec_Ret) { if (checkIncDec_Ret) {
reusableBuffer.spectrumAnalyser.step = reusableBuffer.spectrumAnalyser.span / LCD_W; reusableBuffer.spectrumAnalyser.step = reusableBuffer.spectrumAnalyser.span / LCD_W;
reusableBuffer.spectrumAnalyser.dirty = true; reusableBuffer.spectrumAnalyser.dirty = true;
memclear(reusableBuffer.spectrumAnalyser.peak, sizeof(reusableBuffer.spectrumAnalyser.peak));
memclear(reusableBuffer.spectrumAnalyser.bars, sizeof(reusableBuffer.spectrumAnalyser.bars));
} }
} }
break; break;
@ -114,6 +118,14 @@ void menuRadioSpectrumAnalyser(event_t event)
for (uint8_t i=0; i<LCD_W; i++) { for (uint8_t i=0; i<LCD_W; i++) {
uint8_t h = min<uint8_t >(reusableBuffer.spectrumAnalyser.bars[i] >> 1, LCD_H); uint8_t h = min<uint8_t >(reusableBuffer.spectrumAnalyser.bars[i] >> 1, LCD_H);
lcdDrawSolidVerticalLine(i, LCD_H - h, h); lcdDrawSolidVerticalLine(i, LCD_H - h, h);
h = min<uint8_t >(reusableBuffer.spectrumAnalyser.peak[i] >> 1, LCD_H);
if (h) {
lcdDrawPoint(i, LCD_H - h, FORCE);
if (h > peak_y) {
peak_x = i;
peak_y = h;
}
}
} }
int8_t y = max<int8_t>(FH, LCD_H - peak_y - FH); int8_t y = max<int8_t>(FH, LCD_H - peak_y - FH);

1
radio/src/opentx.h
View file

@ -1189,6 +1189,7 @@ union ReusableBuffer
struct struct
{ {
uint8_t bars[LCD_W]; uint8_t bars[LCD_W];
uint8_t peak[LCD_W];
uint32_t freq; uint32_t freq;
uint32_t span; uint32_t span;
uint32_t step; uint32_t step;

6
radio/src/telemetry/frsky_pxx2.cpp
View file

@ -223,7 +223,11 @@ void processSpectrumAnalyserFrame(uint8_t module, uint8_t * frame)
int32_t position = *frequency - (reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2); int32_t position = *frequency - (reusableBuffer.spectrumAnalyser.freq - reusableBuffer.spectrumAnalyser.span / 2);
uint32_t x = (position * LCD_W / 8) / (reusableBuffer.spectrumAnalyser.span / 8); uint32_t x = (position * LCD_W / 8) / (reusableBuffer.spectrumAnalyser.span / 8);
if (x < LCD_W) { if (x < LCD_W) {
reusableBuffer.spectrumAnalyser.bars[x] = 0x80 + *power; uint8_t powerUnsigned = 0x80 + *power;
reusableBuffer.spectrumAnalyser.bars[x] = powerUnsigned;
if (powerUnsigned > reusableBuffer.spectrumAnalyser.peak[x]) {
reusableBuffer.spectrumAnalyser.peak[x] = powerUnsigned;
}
} }
} }