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MMDVM
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Merge remote-tracking branch 'g4klx/c4fmdemod' into c4fmdemod

This commit is contained in:
Andy CA6JAU 2017-04-05 21:21:09 -03:00
parent f2c50083d8 06ef230ad5
commit 1a5bc9cf8c
4 changed files with 34 additions and 11 deletions
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22
DMRDMOTX.cpp
View File

@ -41,6 +41,12 @@ const q15_t DMR_LEVELB = 963;
const q15_t DMR_LEVELC = -963;
const q15_t DMR_LEVELD = -2889;
// The PR FILL and Data Sync pattern.
const uint8_t IDLE_DATA[] =
{0x53U, 0xC2U, 0x5EU, 0xABU, 0xA8U, 0x67U, 0x1DU, 0xC7U, 0x38U, 0x3BU, 0xD9U,
0x36U, 0x00U, 0x0DU, 0xFFU, 0x57U, 0xD7U, 0x5DU, 0xF5U, 0xD0U, 0x03U, 0xF6U,
0xE4U, 0x65U, 0x17U, 0x1BU, 0x48U, 0xCAU, 0x6DU, 0x4FU, 0xC6U, 0x10U, 0xB4U};
const uint8_t CACH_INTERLEAVE[] =
{1U, 2U, 3U, 5U, 6U, 7U, 9U, 10U, 11U, 13U, 15U, 16U, 17U, 19U, 20U, 21U, 23U,
25U, 26U, 27U, 29U, 30U, 31U, 33U, 34U, 35U, 37U, 39U, 40U, 41U, 43U, 44U, 45U, 47U,
@ -65,6 +71,7 @@ m_poBuffer(),
m_poLen(0U),
m_poPtr(0U),
m_txDelay(240U), // 200ms
m_idle(),
m_cachPtr(0U)
{
::memset(m_modState, 0x00U, 16U * sizeof(q15_t));
@ -85,10 +92,14 @@ void CDMRDMOTX::process()
m_poLen = m_txDelay;
} else {
createCACH(m_poBuffer + 0U, 0U);
for (unsigned int i = 0U; i < DMR_FRAME_LENGTH_BYTES; i++)
m_poBuffer[i + 3U] = m_fifo.get();
createCACH(m_poBuffer + 36U, 1U);
for (unsigned int i = 0U; i < DMR_FRAME_LENGTH_BYTES; i++)
m_poBuffer[i + 3U] = m_poBuffer[i + 39U] = m_fifo.get();
m_poBuffer[i + 39U] = m_idle[i];
m_poLen = 72U;
}
@ -203,3 +214,12 @@ void CDMRDMOTX::createCACH(uint8_t* buffer, uint8_t slotIndex)
m_cachPtr += 3U;
}
void CDMRDMOTX::setColorCode(uint8_t colorCode)
{
::memcpy(m_idle, IDLE_DATA, DMR_FRAME_LENGTH_BYTES);
CDMRSlotType slotType;
slotType.encode(colorCode, DT_IDLE, m_idle);
}

4
DMRDMOTX.h
View File

@ -37,8 +37,9 @@ public:
uint8_t getSpace() const;
private:
void setColorCode(uint8_t colorCode);
private:
CSerialRB m_fifo;
arm_fir_interpolate_instance_q15 m_modFilter;
q15_t m_modState[16U]; // blockSize + phaseLength - 1, 4 + 9 - 1 plus some spare
@ -46,6 +47,7 @@ private:
uint16_t m_poLen;
uint16_t m_poPtr;
uint32_t m_txDelay;
uint8_t m_idle[DMR_FRAME_LENGTH_BYTES];
uint8_t m_cachPtr;
void createCACH(uint8_t* buffer, uint8_t slotIndex);

1
SerialPort.cpp
View File

@ -273,6 +273,7 @@ uint8_t CSerialPort::setConfig(const uint8_t* data, uint8_t length)
dmrTX.setColorCode(colorCode);
dmrRX.setColorCode(colorCode);
dmrRX.setDelay(dmrDelay);
dmrDMOTX.setColorCode(colorCode);
dmrDMORX.setColorCode(colorCode);
dmrIdleRX.setColorCode(colorCode);

16
YSFTX.cpp
View File

@ -37,15 +37,15 @@ static q15_t YSF_C4FSK_FILTER[] = {0, 0, 0, 0, 401, 104, -340, -731, -847, -553,
const uint16_t YSF_C4FSK_FILTER_PHASE_LEN = 9U; // phaseLength = numTaps/L
#endif
const q15_t YSF_LEVELA_HI = 3900;
const q15_t YSF_LEVELB_HI = 1300;
const q15_t YSF_LEVELC_HI = -1300;
const q15_t YSF_LEVELD_HI = -3900;
const q15_t YSF_LEVELA_HI = 3510;
const q15_t YSF_LEVELB_HI = 1170;
const q15_t YSF_LEVELC_HI = -1170;
const q15_t YSF_LEVELD_HI = -3510;
const q15_t YSF_LEVELA_LO = 1950;
const q15_t YSF_LEVELB_LO = 650;
const q15_t YSF_LEVELC_LO = -650;
const q15_t YSF_LEVELD_LO = -1950;
const q15_t YSF_LEVELA_LO = 1755;
const q15_t YSF_LEVELB_LO = 585;
const q15_t YSF_LEVELC_LO = -585;
const q15_t YSF_LEVELD_LO = -1755;
const uint8_t YSF_START_SYNC = 0x77U;
const uint8_t YSF_END_SYNC = 0xFFU;