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Put idle into the second DMO slot instead of the repeat of the data. MD380/390 bug workaround.

c4fmdemod
Jonathan Naylor 2017-04-05 14:19:25 +01:00
parent d5531177f2
commit 9d4779e4c3
3 changed files with 26 additions and 3 deletions
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24
DMRDMOTX.cpp
View File

@ -41,6 +41,12 @@ const q15_t DMR_LEVELB = 963;
const q15_t DMR_LEVELC = -963; const q15_t DMR_LEVELC = -963;
const q15_t DMR_LEVELD = -2889; 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[] = const uint8_t CACH_INTERLEAVE[] =
{1U, 2U, 3U, 5U, 6U, 7U, 9U, 10U, 11U, 13U, 15U, 16U, 17U, 19U, 20U, 21U, 23U, {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, 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_poLen(0U),
m_poPtr(0U), m_poPtr(0U),
m_txDelay(240U), // 200ms m_txDelay(240U), // 200ms
m_idle(),
m_cachPtr(0U) m_cachPtr(0U)
{ {
::memset(m_modState, 0x00U, 16U * sizeof(q15_t)); ::memset(m_modState, 0x00U, 16U * sizeof(q15_t));
@ -84,11 +91,15 @@ void CDMRDMOTX::process()
m_poLen = m_txDelay; m_poLen = m_txDelay;
} else { } else {
createCACH(m_poBuffer + 0U, 0U); 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); createCACH(m_poBuffer + 36U, 1U);
for (unsigned int i = 0U; i < DMR_FRAME_LENGTH_BYTES; i++) 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; m_poLen = 72U;
} }
@ -203,3 +214,12 @@ void CDMRDMOTX::createCACH(uint8_t* buffer, uint8_t slotIndex)
m_cachPtr += 3U; 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
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@ -37,8 +37,9 @@ public:
uint8_t getSpace() const; uint8_t getSpace() const;
private: void setColorCode(uint8_t colorCode);
private:
CSerialRB m_fifo; CSerialRB m_fifo;
arm_fir_interpolate_instance_q15 m_modFilter; arm_fir_interpolate_instance_q15 m_modFilter;
q15_t m_modState[16U]; // blockSize + phaseLength - 1, 4 + 9 - 1 plus some spare 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_poLen;
uint16_t m_poPtr; uint16_t m_poPtr;
uint32_t m_txDelay; uint32_t m_txDelay;
uint8_t m_idle[DMR_FRAME_LENGTH_BYTES];
uint8_t m_cachPtr; uint8_t m_cachPtr;
void createCACH(uint8_t* buffer, uint8_t slotIndex); void createCACH(uint8_t* buffer, uint8_t slotIndex);

1
SerialPort.cpp
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@ -273,6 +273,7 @@ uint8_t CSerialPort::setConfig(const uint8_t* data, uint8_t length)
dmrTX.setColorCode(colorCode); dmrTX.setColorCode(colorCode);
dmrRX.setColorCode(colorCode); dmrRX.setColorCode(colorCode);
dmrRX.setDelay(dmrDelay); dmrRX.setDelay(dmrDelay);
dmrDMOTX.setColorCode(colorCode);
dmrDMORX.setColorCode(colorCode); dmrDMORX.setColorCode(colorCode);
dmrIdleRX.setColorCode(colorCode); dmrIdleRX.setColorCode(colorCode);