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Handle the M17 mode LED pins(-ish)

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Jonathan Naylor
2020-10-14 11:55:31 +01:00
parent a62fd814ae
commit 0334b5a791
7 changed files with 142 additions and 40 deletions
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M17TX.cpp
+9 -10
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@@ -23,16 +23,16 @@
#include "M17Defines.h"
// Generated using rcosdesign(0.2, 8, 5, 'sqrt') in MATLAB
static q15_t RRC_0_2_FILTER[] = {0, 0, 0, 0, 850, 219, -720, -1548, -1795, -1172, 237, 1927, 3120, 3073, 1447, -1431, -4544, -6442,
// Generated using rcosdesign(0.5, 8, 5, 'sqrt') in MATLAB
static q15_t RRC_0_5_FILTER[] = {0, 0, 0, 0, 850, 219, -720, -1548, -1795, -1172, 237, 1927, 3120, 3073, 1447, -1431, -4544, -6442,
-5735, -1633, 5651, 14822, 23810, 30367, 32767, 30367, 23810, 14822, 5651, -1633, -5735, -6442,
-4544, -1431, 1447, 3073, 3120, 1927, 237, -1172, -1795, -1548, -720, 219, 850}; // numTaps = 45, L = 5
const uint16_t RRC_0_2_FILTER_PHASE_LEN = 9U; // phaseLength = numTaps/L
const uint16_t RRC_0_5_FILTER_PHASE_LEN = 9U; // phaseLength = numTaps/L
const q15_t M17_LEVELA = 948;
const q15_t M17_LEVELB = 316;
const q15_t M17_LEVELC = -316;
const q15_t M17_LEVELD = -948;
const q15_t M17_LEVELA = 1683;
const q15_t M17_LEVELB = 561;
const q15_t M17_LEVELC = -561;
const q15_t M17_LEVELD = -1683;
const uint8_t M17_START_SYNC = 0x77U;
const uint8_t M17_END_SYNC = 0xFFU;
@@ -52,12 +52,11 @@ m_txCount(0U)
::memset(m_modState, 0x00U, 16U * sizeof(q15_t));
m_modFilter.L = M17_RADIO_SYMBOL_LENGTH;
m_modFilter.phaseLength = RRC_0_2_FILTER_PHASE_LEN;
m_modFilter.pCoeffs = RRC_0_2_FILTER;
m_modFilter.phaseLength = RRC_0_5_FILTER_PHASE_LEN;
m_modFilter.pCoeffs = RRC_0_5_FILTER;
m_modFilter.pState = m_modState;
}
void CM17TX::process()
{
// If we have M17 data to transmit, do so.