mirror of https://github.com/g4klx/MMDVM.git
Recalculate the TX delay for POCSAG.
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dcd8142c51
commit
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10
POCSAGTX.cpp
10
POCSAGTX.cpp
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@ -20,10 +20,10 @@
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#include "Globals.h"
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#include "POCSAGTX.h"
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const uint16_t POCSAG_PREAMBLE_LENGTH_BYTES = 576U / 8U;
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const uint16_t POCSAG_FRAME_LENGTH_BYTES = 17U * sizeof(uint32_t);
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const uint16_t POCSAG_PREAMBLE_LENGTH_BYTES = 18U * sizeof(uint32_t);
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const uint16_t POCSAG_RADIO_SYMBOL_LENGTH = 20U;
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const q15_t POCSAG_LEVEL1[] = { 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700, 1700};
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@ -128,10 +128,10 @@ void CPOCSAGTX::writeByte(uint8_t c)
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void CPOCSAGTX::setTXDelay(uint8_t delay)
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{
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m_txDelay = POCSAG_PREAMBLE_LENGTH_BYTES + uint16_t(delay);
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m_txDelay = POCSAG_PREAMBLE_LENGTH_BYTES + (delay * 3U) / 2U;
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if (m_txDelay > 1200U)
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m_txDelay = 1200U;
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if (m_txDelay > 150U)
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m_txDelay = 150U;
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}
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uint8_t CPOCSAGTX::getSpace() const
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@ -39,7 +39,7 @@ private:
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CSerialRB m_buffer;
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arm_fir_instance_q15 m_modFilter;
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q15_t m_modState[170U]; // NoTaps + BlockSize - 1, 6 + 160 - 1 plus some spare
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uint8_t m_poBuffer[1200U];
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uint8_t m_poBuffer[200U];
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uint16_t m_poLen;
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uint16_t m_poPtr;
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uint16_t m_txDelay;
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