BRNSystems/brnQuanFW
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shift the graph to center large bars

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This commit is contained in:
John Flinchbaugh
2025-01-08 08:00:53 -05:00
parent d0da9ac73c
commit bc1a765c68
1 changed files with 3 additions and 1 deletions
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4
app/spectrum.c
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@@ -871,13 +871,15 @@ uint8_t Rssi2Y(uint16_t rssi)
static void DrawSpectrum() static void DrawSpectrum()
{ {
uint16_t steps = GetStepsCount(); uint16_t steps = GetStepsCount();
uint16_t scale = ((steps > 128) ? 128 : steps);
uint16_t shift = 64 / steps + 1;
uint8_t ox = 0; uint8_t ox = 0;
for (uint8_t i = 0; i < 128; ++i) for (uint8_t i = 0; i < 128; ++i)
{ {
uint16_t rssi = rssiHistory[i >> settings.stepsCount]; uint16_t rssi = rssiHistory[i >> settings.stepsCount];
if (rssi != RSSI_MAX_VALUE) if (rssi != RSSI_MAX_VALUE)
{ {
uint8_t x = i * 128 / ((steps > 128) ? 128 : steps) + 1; uint8_t x = i * 128 / scale + shift;
for (uint8_t xx = ox; xx < x; xx++) for (uint8_t xx = ox; xx < x; xx++)
{ {
DrawVLine(Rssi2Y(rssi), DrawingEndY, xx, true); DrawVLine(Rssi2Y(rssi), DrawingEndY, xx, true);