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New receive filter for DMR and YSF.

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This commit is contained in:
Jonathan Naylor
2016-07-05 07:31:29 +01:00
parent 8135f8a57d
commit 5725e3babe
2 changed files with 18 additions and 1 deletions
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DMRSlotRX.cpp
+9 -1
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@@ -24,6 +24,14 @@
#include "DMRSlotType.h"
#include "Utils.h"
#if defined(ARDUINO_DUE_ZUM_V10) || defined(ARDUINO_DUE_NTH)
const uint16_t SCAN_START = 420U;
const uint16_t SCAN_END = 510U;
#else
const uint16_t SCAN_START = 400U;
const uint16_t SCAN_END = 490U;
#endif
const q15_t SCALING_FACTOR = 19505; // Q15(0.60)
const uint8_t MAX_SYNC_SYMBOLS_ERRS = 2U;
@@ -115,7 +123,7 @@ bool CDMRSlotRX::processSample(q15_t sample)
m_bitBuffer[m_bitPtr] |= 0x01U;
if (m_state == DMRRXS_NONE) {
if (m_dataPtr >= 400U && m_dataPtr <= 490U)
if (m_dataPtr >= SCAN_START && m_dataPtr <= SCAN_END)
correlateSync(true);
} else {
uint16_t min = m_syncPtr - 1U;