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Remove the OscOffset parameter.

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This commit is contained in:
Jonathan Naylor
2017-03-07 20:41:54 +00:00
parent a9b761d1dc
commit df1210eaea
16 changed files with 61 additions and 227 deletions
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P25TX.cpp
+7 -28
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@@ -60,8 +60,7 @@ m_lpState(),
m_poBuffer(),
m_poLen(0U),
m_poPtr(0U),
m_txDelay(240U), // 200ms
m_count(0U)
m_txDelay(240U) // 200ms
{
::memset(m_modState, 0x00U, 70U * sizeof(q15_t));
::memset(m_lpState, 0x00U, 70U * sizeof(q15_t));
@@ -82,8 +81,6 @@ void CP25TX::process()
if (m_poLen == 0U) {
if (!m_tx) {
m_count = 0U;
for (uint16_t i = 0U; i < m_txDelay; i++)
m_poBuffer[m_poLen++] = P25_START_SYNC;
} else {
@@ -133,9 +130,9 @@ uint8_t CP25TX::writeData(const uint8_t* data, uint8_t length)
void CP25TX::writeByte(uint8_t c)
{
q15_t inBuffer[P25_RADIO_SYMBOL_LENGTH * 4U + 1U];
q15_t intBuffer[P25_RADIO_SYMBOL_LENGTH * 4U + 1U];
q15_t outBuffer[P25_RADIO_SYMBOL_LENGTH * 4U + 1U];
q15_t inBuffer[P25_RADIO_SYMBOL_LENGTH * 4U];
q15_t intBuffer[P25_RADIO_SYMBOL_LENGTH * 4U];
q15_t outBuffer[P25_RADIO_SYMBOL_LENGTH * 4U];
const uint8_t MASK = 0xC0U;
@@ -157,29 +154,11 @@ void CP25TX::writeByte(uint8_t c)
}
}
uint16_t blockSize = P25_RADIO_SYMBOL_LENGTH * 4U;
::arm_fir_fast_q15(&m_modFilter, inBuffer, intBuffer, P25_RADIO_SYMBOL_LENGTH * 4U);
// Handle the case of the oscillator not being accurate enough
if (m_sampleCount > 0U) {
m_count += P25_RADIO_SYMBOL_LENGTH * 4U;
::arm_fir_fast_q15(&m_lpFilter, intBuffer, outBuffer, P25_RADIO_SYMBOL_LENGTH * 4U);
if (m_count >= m_sampleCount) {
if (m_sampleInsert) {
inBuffer[P25_RADIO_SYMBOL_LENGTH * 4U] = inBuffer[P25_RADIO_SYMBOL_LENGTH * 4U - 1U];
blockSize++;
} else {
blockSize--;
}
m_count -= m_sampleCount;
}
}
::arm_fir_fast_q15(&m_modFilter, inBuffer, intBuffer, blockSize);
::arm_fir_fast_q15(&m_lpFilter, intBuffer, outBuffer, blockSize);
io.write(STATE_P25, outBuffer, blockSize);
io.write(STATE_P25, outBuffer, P25_RADIO_SYMBOL_LENGTH * 4U);
}
void CP25TX::setTXDelay(uint8_t delay)