mckero/uv-k1-k5v3-firmware-custom
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Add subaudible detection for scan ranges

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Armel FAUVEAU committed 2026-06-09 04:57:15 +02:00
1 parent 9e03f02296
commit edc4673983
6 files changed
+110
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App/app/chFrScanner.c
+59
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@@ -22,6 +22,13 @@ bool gScanPauseMode;
uint32_t gScanRangeStart;
uint32_t gScanRangeStop;
#if defined(ENABLE_FEAT_F4HWN_SCAN_SUBAUDIBLE) && ENABLE_FEAT_F4HWN_SCAN_SUBAUDIBLE
DCS_CodeType_t gScanRangeCssType = CODE_TYPE_OFF;
uint8_t gScanRangeCssCode = 0xFF;
static uint8_t scanRangeCssCandidate = 0xFF;
static uint8_t scanRangeCssHitCount = 0;
#endif
#define SCAN_RANGE_SKIP_MAX 32
#if (SCAN_RANGE_SKIP_MAX & (SCAN_RANGE_SKIP_MAX - 1)) != 0
#error SCAN_RANGE_SKIP_MAX must be a power of two
@@ -183,6 +190,58 @@ bool CHFRSCANNER_HasScanRangeExcludedOrdinal(uint32_t first_ordinal, uint32_t la
return false;
}
#if defined(ENABLE_FEAT_F4HWN_SCAN_SUBAUDIBLE) && ENABLE_FEAT_F4HWN_SCAN_SUBAUDIBLE
void CHFRSCANNER_UpdateCssDetection(void)
{
if (!gScanRangeStart || !FUNCTION_IsRx())
{
gScanRangeCssType = CODE_TYPE_OFF;
gScanRangeCssCode = 0xFF;
scanRangeCssCandidate = 0xFF;
scanRangeCssHitCount = 0;
return;
}
uint32_t cdcssFreq;
uint16_t ctcssFreq;
const BK4819_CssScanResult_t result = BK4819_GetCxCSSScanResult(&cdcssFreq, &ctcssFreq);
if (result == BK4819_CSS_RESULT_CDCSS)
{
const uint8_t Code = DCS_GetCdcssCode(cdcssFreq);
if (Code != 0xFF && Code != gScanRangeCssCode)
{
gScanRangeCssType = CODE_TYPE_DIGITAL;
gScanRangeCssCode = Code;
scanRangeCssCandidate = 0xFF;
scanRangeCssHitCount = 0;
gUpdateDisplay = true;
}
}
else if (result == BK4819_CSS_RESULT_CTCSS)
{
const uint8_t Code = DCS_GetCtcssCode(ctcssFreq);
if (Code != 0xFF)
{
if (Code == scanRangeCssCandidate)
{
if (++scanRangeCssHitCount >= 2 && Code != gScanRangeCssCode)
{
gScanRangeCssType = CODE_TYPE_CONTINUOUS_TONE;
gScanRangeCssCode = Code;
gUpdateDisplay = true;
}
}
else
{
scanRangeCssCandidate = Code;
scanRangeCssHitCount = 1;
}
}
}
}
#endif
#endif
static void CHFRSCANNER_AbortActiveReception(void)