Merge branch 'master' into boxcar

This commit is contained in:
Jonathan Naylor 2017-07-16 19:01:54 +01:00
commit 8ce38eec9a
10 changed files with 18 additions and 22 deletions

View File

@ -88,7 +88,7 @@ bool CDMRDMORX::processSample(q15_t sample, uint16_t rssi)
m_rssi[m_dataPtr] = rssi;
m_bitBuffer[m_bitPtr] <<= 1;
if (sample < m_dcLevel)
if (sample < 0)
m_bitBuffer[m_bitPtr] |= 0x01U;
if (m_state == DMORXS_NONE) {

View File

@ -104,7 +104,7 @@ bool CDMRSlotRX::processSample(q15_t sample, uint16_t rssi)
m_rssi[m_dataPtr] = rssi;
m_bitBuffer[m_bitPtr] <<= 1;
if (sample < m_dcLevel)
if (sample < 0)
m_bitBuffer[m_bitPtr] |= 0x01U;
if (m_state == DMRRXS_NONE) {

View File

@ -279,7 +279,7 @@ void CDStarRX::samples(const q15_t* samples, const uint16_t* rssi, uint8_t lengt
m_rssiAccum += rssi[i];
m_rssiCount++;
bool bit = samples[i] < m_dcLevel;
bool bit = samples[i] < 0;
if (bit != m_prev) {
if (m_pll < (PLLMAX / 2U))

View File

@ -93,8 +93,6 @@ extern bool m_duplex;
extern bool m_tx;
extern bool m_dcd;
extern q15_t m_dcLevel;
extern CSerialPort serial;
extern CIO io;

12
IO.cpp
View File

@ -147,17 +147,19 @@ void CIO::process()
q31_t dcLevel = 0;
q31_t dcVals[20];
q31_t intSamp[20];
q31_t q31Samples[20U];
::arm_q15_to_q31((q15_t*)samples, intSamp, RX_BLOCK_SIZE);
::arm_biquad_cascade_df1_q31(&m_dcFilter, intSamp, dcVals, RX_BLOCK_SIZE);
::arm_q15_to_q31(samples, q31Samples, RX_BLOCK_SIZE);
::arm_biquad_cascade_df1_q31(&m_dcFilter, q31Samples, dcVals, RX_BLOCK_SIZE);
for (uint8_t i = 0U; i < RX_BLOCK_SIZE; i++)
dcLevel += dcVals[i];
dcLevel /= RX_BLOCK_SIZE;
m_dcLevel = q15_t(dcLevel >> 16);
q15_t offset = q15_t(dcLevel >> 16);
for (uint8_t i = 0U; i < RX_BLOCK_SIZE; i++)
samples[i] -= offset;
q15_t vals[RX_BLOCK_SIZE];
::arm_fir_fast_q15(&m_boxcarFilter, samples, vals, RX_BLOCK_SIZE);

View File

@ -36,8 +36,6 @@ bool m_duplex = true;
bool m_tx = false;
bool m_dcd = false;
q15_t m_dcLevel = 0;
CDStarRX dstarRX;
CDStarTX dstarTX;

View File

@ -33,8 +33,6 @@ bool m_duplex = true;
bool m_tx = false;
bool m_dcd = false;
q15_t m_dcLevel = 0;
CDStarRX dstarRX;
CDStarTX dstarTX;

View File

@ -95,7 +95,7 @@ void CP25RX::samples(const q15_t* samples, uint16_t* rssi, uint8_t length)
m_rssiCount++;
m_bitBuffer[m_bitPtr] <<= 1;
if (sample < m_dcLevel)
if (sample < 0)
m_bitBuffer[m_bitPtr] |= 0x01U;
m_buffer[m_dataPtr] = sample;

View File

@ -91,7 +91,7 @@ void CYSFRX::samples(const q15_t* samples, uint16_t* rssi, uint8_t length)
m_rssiCount++;
m_bitBuffer[m_bitPtr] <<= 1;
if (sample < m_dcLevel)
if (sample < 0)
m_bitBuffer[m_bitPtr] |= 0x01U;
m_buffer[m_dataPtr] = sample;