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Fix DMR timing bug with OscOffset.

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This commit is contained in:
Jonathan Naylor
2016-03-23 17:46:21 +00:00
parent f656baf64e
commit 8d3ede9160
5 changed files with 20 additions and 18 deletions
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DMRTX.cpp
+8 -6
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@@ -218,10 +218,11 @@ void CDMRTX::writeByte(uint8_t c, uint8_t control)
}
}
uint8_t blockSize = DMR_RADIO_SYMBOL_LENGTH * 4U;
uint16_t blockSize = DMR_RADIO_SYMBOL_LENGTH * 4U;
uint8_t controlBuffer[DMR_RADIO_SYMBOL_LENGTH * 4U + 1U];
::memset(controlBuffer, MARK_NONE, (DMR_RADIO_SYMBOL_LENGTH * 4U + 1U) * sizeof(uint8_t));
controlBuffer[DMR_RADIO_SYMBOL_LENGTH * 2U] = control;
// Handle the case of the oscillator not being accurate enough
if (m_sampleCount > 0U) {
@@ -230,17 +231,18 @@ void CDMRTX::writeByte(uint8_t c, uint8_t control)
if (m_count >= m_sampleCount) {
if (m_sampleInsert) {
inBuffer[DMR_RADIO_SYMBOL_LENGTH * 4U] = inBuffer[DMR_RADIO_SYMBOL_LENGTH * 4U - 1U];
blockSize = DMR_RADIO_SYMBOL_LENGTH * 4U + 1U;
controlBuffer[DMR_RADIO_SYMBOL_LENGTH * 2U + 1U] = control;
for (int8_t i = DMR_RADIO_SYMBOL_LENGTH * 4U - 1; i >= 0; i--)
controlBuffer[i + 1] = controlBuffer[i];
blockSize++;
} else {
blockSize = DMR_RADIO_SYMBOL_LENGTH * 4U - 1U;
controlBuffer[DMR_RADIO_SYMBOL_LENGTH * 2U - 1U] = control;
for (uint8_t i = 0U; i < (DMR_RADIO_SYMBOL_LENGTH * 4U - 1U); i++)
controlBuffer[i] = controlBuffer[i + 1U];
blockSize--;
}
m_count -= m_sampleCount;
}
} else {
controlBuffer[DMR_RADIO_SYMBOL_LENGTH * 2U] = control;
}
::arm_fir_fast_q15(&m_modFilter, inBuffer, outBuffer, blockSize);