mirror of
https://github.com/opentx/opentx.git
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694 lines
19 KiB
C++
694 lines
19 KiB
C++
/*
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* Copyright (C) OpenTX
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*
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* Based on code named
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* th9x - http://code.google.com/p/th9x
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* er9x - http://code.google.com/p/er9x
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* gruvin9x - http://code.google.com/p/gruvin9x
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*
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* License GPLv2: http://www.gnu.org/licenses/gpl-2.0.html
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include "opentx.h"
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#include "telemetry.h"
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#include "multi.h"
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constexpr int32_t MULTI_DESIRED_VERSION = (1 << 24) | (3 << 16) | (1 << 8) | 69;
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#define MULTI_CHAN_BITS 11
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extern uint8_t g_moduleIdx;
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enum MultiPacketTypes : uint8_t
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{
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MultiStatus = 1,
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FrSkySportTelemetry,
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FrSkyHubTelemetry,
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SpektrumTelemetry,
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DSMBindPacket,
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FlyskyIBusTelemetry,
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ConfigCommand,
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InputSync,
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FrskySportPolling,
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HitecTelemetry,
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SpectrumScannerPacket,
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FlyskyIBusTelemetryAC,
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MultiRxChannels,
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HottTelemetry,
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MLinkTelemetry,
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ConfigTelemetry
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};
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enum MultiBufferState : uint8_t
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{
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NoProtocolDetected,
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MultiFirstByteReceived,
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ReceivingMultiProtocol,
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ReceivingMultiStatus,
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SpektrumTelemetryFallback,
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FrskyTelemetryFallback,
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FrskyTelemetryFallbackFirstByte,
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FrskyTelemetryFallbackNextBytes,
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FlyskyTelemetryFallback,
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HitecTelemetryFallback,
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MultiStatusOrFrskyData
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};
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#if defined(INTERNAL_MODULE_MULTI)
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static MultiModuleStatus multiModuleStatus[NUM_MODULES] = {MultiModuleStatus(), MultiModuleStatus()};
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static uint8_t multiBindStatus[NUM_MODULES] = {MULTI_NORMAL_OPERATION, MULTI_NORMAL_OPERATION};
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static MultiBufferState multiTelemetryBufferState[NUM_MODULES];
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static uint16_t multiTelemetryLastRxTS[NUM_MODULES];
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MultiModuleStatus &getMultiModuleStatus(uint8_t module)
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{
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return multiModuleStatus[module];
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}
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uint8_t getMultiBindStatus(uint8_t module)
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{
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return multiBindStatus[module];
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}
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void setMultiBindStatus(uint8_t module, uint8_t bindStatus)
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{
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multiBindStatus[module] = bindStatus;
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}
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MultiBufferState getMultiTelemetryBufferState(uint8_t module)
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{
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return multiTelemetryBufferState[module];
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}
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void setMultiTelemetryBufferState(uint8_t module, MultiBufferState state)
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{
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multiTelemetryBufferState[module] = state;
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}
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static uint16_t& getMultiTelemetryLastRxTS(uint8_t module)
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{
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return multiTelemetryLastRxTS[module];
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}
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// Use additional telemetry buffer
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uint8_t intTelemetryRxBuffer[TELEMETRY_RX_PACKET_SIZE];
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uint8_t intTelemetryRxBufferCount;
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#else // !INTERNAL_MODULE_MULTI
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static MultiModuleStatus multiModuleStatus;
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static uint8_t multiBindStatus = MULTI_NORMAL_OPERATION;
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static MultiBufferState multiTelemetryBufferState;
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static uint16_t multiTelemetryLastRxTS;
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MultiModuleStatus& getMultiModuleStatus(uint8_t)
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{
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return multiModuleStatus;
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}
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uint8_t getMultiBindStatus(uint8_t)
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{
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return multiBindStatus;
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}
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void setMultiBindStatus(uint8_t, uint8_t bindStatus)
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{
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multiBindStatus = bindStatus;
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}
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MultiBufferState getMultiTelemetryBufferState(uint8_t)
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{
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return multiTelemetryBufferState;
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}
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void setMultiTelemetryBufferState(uint8_t, MultiBufferState state)
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{
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multiTelemetryBufferState = state;
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}
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uint16_t& getMultiTelemetryLastRxTS(uint8_t module)
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{
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return multiTelemetryLastRxTS;
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}
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#endif // INTERNAL_MODULE_MULTI
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static MultiBufferState guessProtocol(uint8_t module)
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{
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uint32_t moduleIdx = EXTERNAL_MODULE;
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#if defined(INTERNAL_MODULE_MULTI)
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if (isModuleMultimodule(INTERNAL_MODULE)) {
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moduleIdx = INTERNAL_MODULE;
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}
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#endif
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if (g_model.moduleData[moduleIdx].getMultiProtocol() == MODULE_SUBTYPE_MULTI_DSM2)
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return SpektrumTelemetryFallback;
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else if (g_model.moduleData[module].getMultiProtocol() == MODULE_SUBTYPE_MULTI_FS_AFHDS2A)
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return FlyskyTelemetryFallback;
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else
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return FrskyTelemetryFallback;
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}
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static void processMultiScannerPacket(const uint8_t *data)
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{
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uint8_t cur_channel = data[0];
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if (moduleState[g_moduleIdx].mode == MODULE_MODE_SPECTRUM_ANALYSER) {
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for (uint8_t channel = 0; channel <5; channel++) {
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uint8_t power = max<int>(0,(data[channel+1] - 34) >> 1); // remove everything below -120dB
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#if LCD_W == 480
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coord_t x = cur_channel*2;
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if (x < LCD_W) {
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reusableBuffer.spectrumAnalyser.bars[x] = power;
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reusableBuffer.spectrumAnalyser.bars[x+1] = power;
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if (power > reusableBuffer.spectrumAnalyser.max[x]) {
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reusableBuffer.spectrumAnalyser.max[x] = power;
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reusableBuffer.spectrumAnalyser.max[x+1] = power;
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}
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#elif LCD_W == 212
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coord_t x = cur_channel;
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if (x <= LCD_W) {
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reusableBuffer.spectrumAnalyser.bars[x] = power;
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if (power > reusableBuffer.spectrumAnalyser.max[x]) {
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reusableBuffer.spectrumAnalyser.max[x] = power;
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}
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#else
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coord_t x = cur_channel/2 + 1;
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if (x <= LCD_W) {
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reusableBuffer.spectrumAnalyser.bars[x] = power;
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if (power > reusableBuffer.spectrumAnalyser.max[x]) {
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reusableBuffer.spectrumAnalyser.max[x] = power;
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}
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#endif
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}
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if (++cur_channel > MULTI_SCANNER_MAX_CHANNEL)
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cur_channel = 0;
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}
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}
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}
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static void processMultiStatusPacket(const uint8_t * data, uint8_t module, uint8_t len)
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{
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MultiModuleStatus &status = getMultiModuleStatus(module);
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// At least two status packets without bind flag
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bool wasBinding = status.isBinding();
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status.lastUpdate = get_tmr10ms();
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status.flags = data[0];
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status.major = data[1];
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status.minor = data[2];
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status.revision = data[3];
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status.patch = data[4];
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if (len < 6) {
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status.ch_order = 0xFF;
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}
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else {
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status.ch_order = data[5];
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if (len >= 24) {
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status.protocolNext = data[6];
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status.protocolPrev = data[7];
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memcpy(status.protocolName, &data[8], 7);
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status.protocolName[7] = 0;
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status.protocolSubNbr = data[15] & 0x0F;
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memcpy(status.protocolSubName, &data[16], 8);
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status.protocolSubName[8] = 0;
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status.optionDisp = data[15] >> 4;
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}
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else {
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status.protocolName[0] = 0;
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}
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}
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if (getMultiModuleStatus(module).requiresFailsafeCheck) {
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getMultiModuleStatus(module).requiresFailsafeCheck = false;
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if (getMultiModuleStatus(module).supportsFailsafe() && g_model.moduleData[module].failsafeMode == FAILSAFE_NOT_SET)
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POPUP_WARNING(STR_NO_FAILSAFE);
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}
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if (wasBinding && !status.isBinding() && getMultiBindStatus(module) == MULTI_BIND_INITIATED)
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setMultiBindStatus(module, MULTI_BIND_FINISHED);
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}
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static void processMultiSyncPacket(const uint8_t * data, uint8_t module)
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{
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ModuleSyncStatus &status = getModuleSyncStatus(module);
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uint16_t refreshRate = data[0] << 8 | data[1];
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int16_t inputLag = data[2] << 8 | data[3];
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status.update(refreshRate, inputLag);
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#if defined(DEBUG)
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serialPrint("MP ADJ: R %d, L %04d", refreshRate, inputLag);
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#endif
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}
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#if defined(PCBTARANIS) || defined(PCBHORUS)
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static void processMultiRxChannels(const uint8_t * data, uint8_t len)
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{
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if (g_model.trainerData.mode != TRAINER_MODE_MULTI)
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return;
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//uint8_t pps = data[0];
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//uint8_t rssi = data[1];
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int ch = max(data[2], (uint8_t)0);
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int maxCh = min(ch + data[3], MAX_TRAINER_CHANNELS);
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uint32_t bits = 0;
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uint8_t bitsavailable = 0;
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uint8_t byteIdx = 4;
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while (ch < maxCh) {
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while (bitsavailable < MULTI_CHAN_BITS && byteIdx < len) {
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bits |= (uint32_t)(data[byteIdx++]) << (uint32_t)bitsavailable;
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bitsavailable += 8;
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}
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int value = bits & ((1 << MULTI_CHAN_BITS) - 1);
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bitsavailable -= MULTI_CHAN_BITS;
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bits >>= MULTI_CHAN_BITS;
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ppmInput[ch] = (value - 1024) * 500 / 800;
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ch++;
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if (byteIdx >= len)
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break;
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}
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if (ch == maxCh)
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ppmInputValidityTimer = PPM_IN_VALID_TIMEOUT;
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}
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#endif
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#if defined(LUA)
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static void processConfigPacket(const uint8_t * packet, uint8_t len)
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{
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// Multi_Buffer[0..3]=="Conf" -> Lua script is running
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// Multi_Buffer[4]==0x01 -> TX to Module data ready to be sent
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// Multi_Buffer[4]==0xFF -> Clear buffer data
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// Multi_Buffer[5..11]=7 bytes of TX to Module data
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// Multi_Buffer[12] -> Current page
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// Multi_Buffer[13..172]=8*20=160 bytes of Module to TX data
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if (Multi_Buffer && memcmp(Multi_Buffer, "Conf", 4) == 0) {
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// HoTT Lua script is running
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if (Multi_Buffer[4] == 0xFF) {
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// Init
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memset(&Multi_Buffer[4], 0x00, 1 + 7 + 1 + 160); // Clear the buffer
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}
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if ((packet[0] >> 4) != Multi_Buffer[12]) {// page change
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memset(&Multi_Buffer[13], 0x00, 160); // Clear the buffer
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Multi_Buffer[12] = (packet[0] >> 4); //Save the page number
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}
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memcpy(&Multi_Buffer[13 + (packet[0] & 0x0F) * 20], &packet[1], 20); // Store the received page in the buffer
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}
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}
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#endif
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static void processMultiTelemetryPaket(const uint8_t * packet, uint8_t module)
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{
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uint8_t type = packet[0];
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uint8_t len = packet[1];
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const uint8_t * data = packet + 2;
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#if defined(AUX_SERIAL)
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if (g_eeGeneral.auxSerialMode == UART_MODE_TELEMETRY_MIRROR) {
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for (uint8_t c = 0; c < len + 2; c++)
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auxSerialPutc(packet[c]);
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}
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#endif
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#if defined(AUX2_SERIAL)
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if (g_eeGeneral.aux2SerialMode == UART_MODE_TELEMETRY_MIRROR) {
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for (uint8_t c = 0; c < len + 2; c++)
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aux2SerialPutc(packet[c]);
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}
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#endif
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// Switch type
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switch (type) {
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case MultiStatus:
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if (len >= 5)
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processMultiStatusPacket(data, module, len);
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break;
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case DSMBindPacket:
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if (len >= 10)
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processDSMBindPacket(module, data);
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break;
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case SpektrumTelemetry:
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// processSpektrumPacket expects data[0] to be the telemetry indicator 0xAA but does not check it,
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// just send one byte of our header instead
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if (len >= 17)
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processSpektrumPacket(data - 1);
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else
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TRACE("[MP] Received spektrum telemetry len %d < 17", len);
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break;
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case FlyskyIBusTelemetry:
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if (len >= 28)
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processFlySkyPacket(data);
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else
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TRACE("[MP] Received IBUS telemetry len %d < 28", len);
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break;
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case FlyskyIBusTelemetryAC:
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if (len >= 28)
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processFlySkyPacketAC(data);
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else
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TRACE("[MP] Received IBUS telemetry AC len %d < 28", len);
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break;
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case HitecTelemetry:
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if (len >= 8)
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processHitecPacket(data);
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else
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TRACE("[MP] Received Hitec telemetry len %d < 8", len);
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break;
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case HottTelemetry:
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if (len >= 14)
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processHottPacket(data);
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else
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TRACE("[MP] Received HoTT telemetry len %d < 14", len);
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break;
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case MLinkTelemetry:
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if (len > 6)
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processMLinkPacket(data);
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else
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TRACE("[MP] Received M-Link telemetry len %d <= 6", len);
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break;
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#if defined(LUA)
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case ConfigTelemetry:
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if (len >= 21)
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processConfigPacket(data, len);
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else
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TRACE("[MP] Received Config telemetry len %d < 20", len);
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break;
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#endif
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case FrSkyHubTelemetry:
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if (len >= 4)
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frskyDProcessPacket(data);
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else
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TRACE("[MP] Received Frsky HUB telemetry len %d < 4", len);
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break;
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case FrSkySportTelemetry:
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if (len >= 4)
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sportProcessTelemetryPacket(data);
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else
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TRACE("[MP] Received sport telemetry len %d < 4", len);
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break;
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case InputSync:
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if (len >= 6)
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processMultiSyncPacket(data, module);
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else
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TRACE("[MP] Received input sync len %d < 6", len);
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break;
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case ConfigCommand:
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// Just an ack to our command, ignore for now
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break;
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#if defined(LUA)
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case FrskySportPolling:
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if (len >= 1 && outputTelemetryBuffer.destination == TELEMETRY_ENDPOINT_SPORT && data[0] == outputTelemetryBuffer.sport.physicalId) {
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TRACE("MP Sending sport data out.");
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sportSendBuffer(outputTelemetryBuffer.data, outputTelemetryBuffer.size);
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}
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break;
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#endif
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case SpectrumScannerPacket:
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if (len == 6)
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processMultiScannerPacket(data);
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else
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TRACE("[MP] Received spectrum scanner len %d != 6", len);
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break;
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#if defined(PCBTARANIS) || defined(PCBHORUS)
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case MultiRxChannels:
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if (len >= 4)
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processMultiRxChannels(data, len);
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else
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TRACE("[MP] Received RX channels len %d < 4", len);
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break;
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#endif
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default:
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TRACE("[MP] Unkown multi packet type 0x%02X, len %d", type, len);
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break;
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}
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}
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void MultiModuleStatus::getStatusString(char * statusText) const
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{
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if (!isValid()) {
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#if defined(PCBTARANIS) || defined(PCBHORUS)
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#if !defined(INTERNAL_MODULE_MULTI)
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if (isSportLineUsedByInternalModule())
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strcpy(statusText, STR_DISABLE_INTERNAL);
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else
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#endif
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#endif
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strcpy(statusText, STR_MODULE_NO_TELEMETRY);
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return;
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}
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if (!protocolValid()) {
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strcpy(statusText, STR_PROTOCOL_INVALID);
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return;
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}
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else if (!serialMode()) {
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strcpy(statusText, STR_MODULE_NO_SERIAL_MODE);
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return;
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}
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else if (!inputDetected()) {
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strcpy(statusText, STR_MODULE_NO_INPUT);
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return;
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}
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else if (isWaitingforBind()) {
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strcpy(statusText, STR_MODULE_WAITFORBIND);
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return;
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}
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if ((((major << 24) | (minor << 16) | (revision << 8) | patch) < MULTI_DESIRED_VERSION) && SLOW_BLINK_ON_PHASE) {
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strcpy(statusText, STR_MODULE_UPGRADE);
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}
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else {
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char * tmp = statusText;
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*tmp++ = 'V';
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tmp = strAppendUnsigned(tmp, major);
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*tmp++ = '.';
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tmp = strAppendUnsigned(tmp, minor);
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*tmp++ = '.';
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tmp = strAppendUnsigned(tmp, revision);
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*tmp++ = '.';
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tmp = strAppendUnsigned(tmp, patch);
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if (isBinding()) {
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strcpy(tmp, " " TR_MODULE_BINDING);
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}
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else if (ch_order != 0xFF) {
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uint8_t temp = ch_order;
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*tmp++ = ' ';
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*(tmp + (temp & 0x03)) = 'A';
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temp >>= 2;
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*(tmp + (temp & 0x03)) = 'E';
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temp >>= 2;
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*(tmp + (temp & 0x03)) = 'T';
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temp >>= 2;
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*(tmp + (temp & 0x03)) = 'R';
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*(tmp + 4) = '\0';
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}
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}
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}
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static uint8_t * getRxBuffer(uint8_t moduleIdx)
|
|
{
|
|
#if defined(INTERNAL_MODULE_MULTI)
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|
if (moduleIdx == INTERNAL_MODULE)
|
|
return intTelemetryRxBuffer;
|
|
#endif
|
|
return telemetryRxBuffer;
|
|
}
|
|
|
|
static uint8_t &getRxBufferCount(uint8_t moduleIdx)
|
|
{
|
|
#if defined(INTERNAL_MODULE_MULTI)
|
|
if (moduleIdx == INTERNAL_MODULE)
|
|
return intTelemetryRxBufferCount;
|
|
#endif
|
|
return telemetryRxBufferCount;
|
|
}
|
|
|
|
static void processMultiTelemetryByte(const uint8_t data, uint8_t module)
|
|
{
|
|
uint8_t * rxBuffer = getRxBuffer(module);
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|
uint8_t &rxBufferCount = getRxBufferCount(module);
|
|
|
|
if (rxBufferCount < TELEMETRY_RX_PACKET_SIZE) {
|
|
rxBuffer[rxBufferCount++] = data;
|
|
}
|
|
else {
|
|
TRACE("[MP] array size %d error", rxBufferCount);
|
|
setMultiTelemetryBufferState(module, NoProtocolDetected);
|
|
}
|
|
|
|
// Length field does not count the header
|
|
if (rxBufferCount >= 2 && rxBuffer[1] == rxBufferCount - 2) {
|
|
// debug print the content of the packet
|
|
#if 0
|
|
debugPrintf("[MP] Packet type %02X len 0x%02X: ",
|
|
rxBuffer[0], rxBuffer[1]);
|
|
for (int i=0; i<(rxBufferCount+3)/4; i++) {
|
|
debugPrintf("[%02X%02X %02X%02X] ", rxBuffer[i*4+2], rxBuffer[i*4 + 3],
|
|
rxBuffer[i*4 + 4], rxBuffer[i*4 + 5]);
|
|
}
|
|
debugPrintf(CRLF);
|
|
#endif
|
|
// Packet is complete, process it
|
|
processMultiTelemetryPaket(rxBuffer, module);
|
|
setMultiTelemetryBufferState(module, NoProtocolDetected);
|
|
}
|
|
}
|
|
|
|
void processMultiTelemetryData(uint8_t data, uint8_t module)
|
|
{
|
|
uint8_t * rxBuffer = getRxBuffer(module);
|
|
uint8_t &rxBufferCount = getRxBufferCount(module);
|
|
|
|
uint16_t &lastRxTS = getMultiTelemetryLastRxTS(module);
|
|
uint16_t nowMs = (uint16_t)RTOS_GET_MS();
|
|
if (nowMs - lastRxTS > 15)
|
|
setMultiTelemetryBufferState(module, NoProtocolDetected);
|
|
lastRxTS = nowMs;
|
|
|
|
// debugPrintf("State: %d, byte received %02X, buflen: %d\r\n", getMultiTelemetryBufferState(module), data, rxBufferCount);
|
|
|
|
switch (getMultiTelemetryBufferState(module)) {
|
|
case NoProtocolDetected:
|
|
if (data == 'M') {
|
|
setMultiTelemetryBufferState(module, MultiFirstByteReceived);
|
|
}
|
|
else if (data == 0xAA || data == 0x7e) {
|
|
setMultiTelemetryBufferState(module, guessProtocol(module));
|
|
|
|
// Process the first byte by the protocol
|
|
processMultiTelemetryData(data, module);
|
|
}
|
|
else {
|
|
TRACE("[MP] invalid start byte 0x%02X", data);
|
|
}
|
|
break;
|
|
|
|
case FrskyTelemetryFallback:
|
|
setMultiTelemetryBufferState(module, FrskyTelemetryFallbackFirstByte);
|
|
processFrskyTelemetryData(data);
|
|
break;
|
|
|
|
case FrskyTelemetryFallbackFirstByte:
|
|
if (data == 'M') {
|
|
setMultiTelemetryBufferState(module, MultiStatusOrFrskyData);
|
|
}
|
|
else {
|
|
processFrskyTelemetryData(data);
|
|
if (data != 0x7e)
|
|
setMultiTelemetryBufferState(module, FrskyTelemetryFallbackNextBytes);
|
|
}
|
|
|
|
break;
|
|
|
|
case FrskyTelemetryFallbackNextBytes:
|
|
processFrskyTelemetryData(data);
|
|
if (data == 0x7e) {
|
|
// end of packet or start of new packet
|
|
setMultiTelemetryBufferState(module, FrskyTelemetryFallbackFirstByte);
|
|
}
|
|
break;
|
|
|
|
case FlyskyTelemetryFallback:
|
|
processFlySkyTelemetryData(data, rxBuffer, rxBufferCount);
|
|
if (rxBufferCount == 0) {
|
|
setMultiTelemetryBufferState(module, NoProtocolDetected);
|
|
}
|
|
break;
|
|
|
|
case SpektrumTelemetryFallback:
|
|
processSpektrumTelemetryData(module, data, rxBuffer, rxBufferCount);
|
|
if (rxBufferCount == 0) {
|
|
setMultiTelemetryBufferState(module, NoProtocolDetected);
|
|
}
|
|
break;
|
|
|
|
case MultiFirstByteReceived:
|
|
rxBufferCount = 0;
|
|
if (data == 'P') {
|
|
setMultiTelemetryBufferState(module, ReceivingMultiProtocol);
|
|
}
|
|
else if (data >= 5 && data <= 10) {
|
|
// Protocol indented for er9x/ersky9, accept only 5-10 as packet length to have
|
|
// a bit of validation
|
|
setMultiTelemetryBufferState(module, ReceivingMultiStatus);
|
|
processMultiTelemetryData(data, module);
|
|
}
|
|
else {
|
|
TRACE("[MP] invalid second byte 0x%02X", data);
|
|
setMultiTelemetryBufferState(module, NoProtocolDetected);
|
|
}
|
|
break;
|
|
|
|
case ReceivingMultiProtocol:
|
|
processMultiTelemetryByte(data, module);
|
|
break;
|
|
|
|
case MultiStatusOrFrskyData:
|
|
// Check len byte if it makes sense for multi
|
|
if (data >= 5 && data <= 10) {
|
|
setMultiTelemetryBufferState(module, ReceivingMultiStatus);
|
|
rxBufferCount = 0;
|
|
}
|
|
else {
|
|
setMultiTelemetryBufferState(module, FrskyTelemetryFallbackNextBytes);
|
|
processMultiTelemetryData('M', module);
|
|
}
|
|
processMultiTelemetryData(data, module);
|
|
break;
|
|
|
|
case ReceivingMultiStatus:
|
|
if (rxBufferCount < TELEMETRY_RX_PACKET_SIZE) {
|
|
rxBuffer[rxBufferCount++] = data;
|
|
if (rxBufferCount > 5 && rxBuffer[0] == rxBufferCount - 1) {
|
|
processMultiStatusPacket(rxBuffer + 1, module, rxBuffer[0]);
|
|
rxBufferCount = 0;
|
|
setMultiTelemetryBufferState(module, NoProtocolDetected);
|
|
}
|
|
if (rxBufferCount > 24) {
|
|
// too long ignore
|
|
TRACE("Overlong multi status packet detected ignoring, wanted %d", rxBuffer[0]);
|
|
rxBufferCount = 0;
|
|
setMultiTelemetryBufferState(module, NoProtocolDetected);
|
|
}
|
|
}
|
|
else {
|
|
TRACE("[MP] array size %d error", rxBufferCount);
|
|
setMultiTelemetryBufferState(module, NoProtocolDetected);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|