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Jonathan Naylor 2017-04-15 10:22:56 +01:00
parent c7eb072d2f
commit a6ed1e9667
6 changed files with 83 additions and 68 deletions
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12
YSFTX.cpp
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@ -24,10 +24,10 @@
#include "YSFDefines.h"
// Generated using rcosdesign(0.2, 8, 5, 'sqrt') in MATLAB
static q15_t YSF_C4FSK_FILTER[] = {0, 0, 0, 0, 401, 104, -340, -731, -847, -553, 112, 909, 1472, 1450, 683, -675, -2144, -3040, -2706, -770, 2667, 6995,
static q15_t RRC_0_2_FILTER[] = {0, 0, 0, 0, 401, 104, -340, -731, -847, -553, 112, 909, 1472, 1450, 683, -675, -2144, -3040, -2706, -770, 2667, 6995,
11237, 14331, 15464, 14331, 11237, 6995, 2667, -770, -2706, -3040, -2144, -675, 683, 1450, 1472, 909, 112,
-553, -847, -731, -340, 104, 401}; // numTaps = 45, L = 5
const uint16_t YSF_C4FSK_FILTER_PHASE_LEN = 9U; // phaseLength = numTaps/L
const uint16_t RRC_0_2_FILTER_PHASE_LEN = 9U; // phaseLength = numTaps/L
const q15_t YSF_LEVELA_HI = 3900;
const q15_t YSF_LEVELB_HI = 1300;
@ -54,10 +54,10 @@ m_loDev(false)
{
::memset(m_modState, 0x00U, 16U * sizeof(q15_t));
m_modFilter.L = YSF_RADIO_SYMBOL_LENGTH;
m_modFilter.phaseLength = YSF_C4FSK_FILTER_PHASE_LEN;
m_modFilter.pCoeffs = YSF_C4FSK_FILTER;
m_modFilter.pState = m_modState;
m_modFilter.L = YSF_RADIO_SYMBOL_LENGTH;
m_modFilter.phaseLength = RRC_0_2_FILTER_PHASE_LEN;
m_modFilter.pCoeffs = RRC_0_2_FILTER;
m_modFilter.pState = m_modState;
}
void CYSFTX::process()