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Add a dummy AX25 transmit function and make AX25 RX changes.

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This commit is contained in:
Jonathan Naylor
2020-06-23 10:34:19 +01:00
parent e210062365
commit 7ad70d04a4
4 changed files with 74 additions and 11 deletions
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AX25RX.cpp
+22 -11
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@@ -63,7 +63,8 @@ m_state(),
m_demod1(3),
m_demod2(6),
m_demod3(9),
m_lastFCS(0U)
m_lastFCS(0U),
m_count(0U)
{
m_filter.numTaps = FILTER_LEN;
m_filter.pState = m_state;
@@ -75,28 +76,38 @@ void CAX25RX::samples(q15_t* samples, uint8_t length)
q15_t output[RX_BLOCK_SIZE];
::arm_fir_fast_q15(&m_filter, samples, output, RX_BLOCK_SIZE);
m_lastFCS = 0U;
m_count++;
CAX25Frame frame;
bool ret = m_demod1.process(output, length, frame);
if (ret && frame.m_fcs != m_lastFCS) {
if (ret) {
if (frame.m_fcs != m_lastFCS || m_count > 2U) {
m_lastFCS = frame.m_fcs;
m_count = 0U;
serial.writeAX25Data(frame.m_data, frame.m_length - 2U);
}
DEBUG1("Decoder 1 reported");
m_lastFCS = frame.m_fcs;
serial.writeAX25Data(frame.m_data, frame.m_length - 2U);
}
ret = m_demod2.process(output, length, frame);
if (ret && frame.m_fcs != m_lastFCS) {
if (ret) {
if (frame.m_fcs != m_lastFCS || m_count > 2U) {
m_lastFCS = frame.m_fcs;
m_count = 0U;
serial.writeAX25Data(frame.m_data, frame.m_length - 2U);
}
DEBUG1("Decoder 2 reported");
m_lastFCS = frame.m_fcs;
serial.writeAX25Data(frame.m_data, frame.m_length - 2U);
}
ret = m_demod3.process(output, length, frame);
if (ret && frame.m_fcs != m_lastFCS) {
if (ret) {
if (frame.m_fcs != m_lastFCS || m_count > 2U) {
m_lastFCS = frame.m_fcs;
m_count = 0U;
serial.writeAX25Data(frame.m_data, frame.m_length - 2U);
}
DEBUG1("Decoder 3 reported");
m_lastFCS = frame.m_fcs;
serial.writeAX25Data(frame.m_data, frame.m_length - 2U);
}
}