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First version of the AX25 TX functionality.

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This commit is contained in:
Jonathan Naylor
2020-06-24 11:14:02 +01:00
parent 7ad70d04a4
commit 3de10fe98b
6 changed files with 215 additions and 7 deletions
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AX25Demodulator.cpp
+5 -4
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@@ -20,6 +20,7 @@
#include "Config.h"
#include "Globals.h"
#include "AX25Demodulator.h"
#include "AX25Defines.h"
const float32_t SAMPLE_RATE = 24000.0F;
const float32_t SYMBOL_RATE = 1200.0F;
@@ -178,7 +179,7 @@ bool CAX25Demodulator::PLL(bool input)
bool CAX25Demodulator::HDLC(bool b)
{
if (m_hdlcOnes == 5U) {
if (m_hdlcOnes == AX25_MAX_ONES) {
if (b) {
// flag byte
m_hdlcFlag = true;
@@ -203,8 +204,8 @@ bool CAX25Demodulator::HDLC(bool b)
bool result = false;
switch (m_hdlcBuffer) {
case 0x7E:
if (m_frame.m_length >= 17U) {
case AX25_FRAME_END:
if (m_frame.m_length >= AX25_MIN_FRAME_LENGTH) {
result = m_frame.checkCRC();
if (!result)
m_frame.m_length = 0U;
@@ -216,7 +217,7 @@ bool CAX25Demodulator::HDLC(bool b)
m_hdlcBits = 0U;
break;
case 0xFE:
case AX25_FRAME_ABORT:
// Frame aborted
m_frame.m_length = 0U;
m_hdlcState = AX25_IDLE;