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edgetx-gx12/radio/src/telemetry/frsky.cpp
T

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16 KiB
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/*
* Authors (alphabetical order)
* - Andre Bernet <bernet.andre@gmail.com>
* - Andreas Weitl
* - Bertrand Songis <bsongis@gmail.com>
* - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
* - Cameron Weeks <th9xer@gmail.com>
* - Erez Raviv
* - Gabriel Birkus
* - Jean-Pierre Parisy
* - Karl Szmutny
* - Michael Blandford
* - Michal Hlavinka
* - Pat Mackenzie
* - Philip Moss
* - Rob Thomson
* - Romolo Manfredini <romolo.manfredini@gmail.com>
* - Thomas Husterer
*
* opentx is based on code named
* gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
* er9x by Erez Raviv: http://code.google.com/p/er9x/,
* and the original (and ongoing) project by
* Thomas Husterer, th9x: http://code.google.com/p/th9x/
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include "../opentx.h"
uint8_t frskyStreaming = 0;
#if defined(WS_HOW_HIGH)
uint8_t frskyUsrStreaming = 0;
#endif
uint8_t link_counter = 0;
#define FRSKY_RX_PACKET_SIZE 19
uint8_t frskyRxBuffer[FRSKY_RX_PACKET_SIZE]; // Receive buffer. 9 bytes (full packet), worst case 18 bytes with byte-stuffing (+1)
#if !defined(PCBTARANIS)
uint8_t frskyTxBuffer[FRSKY_TX_PACKET_SIZE];
#endif
#if !defined(CPUARM)
uint8_t frskyTxBufferCount = 0;
#endif
#if defined(CPUARM)
uint8_t telemetryState = TELEMETRY_INIT;
#endif
#if defined(PCBTARANIS)
Fifo<512> telemetryFifo; // TODO should be in the driver
#endif
uint8_t frskyRxBufferCount = 0;
FrskyData frskyData;
#if defined(CPUARM)
uint8_t telemetryProtocol = 255;
#define IS_FRSKY_D_PROTOCOL() (telemetryProtocol == PROTOCOL_FRSKY_D)
#define IS_FRSKY_SPORT_PROTOCOL() (telemetryProtocol == PROTOCOL_FRSKY_SPORT)
#else
#define IS_FRSKY_D_PROTOCOL() (true)
#define IS_FRSKY_SPORT_PROTOCOL() (false)
#endif
void FrskyValueWithMin::set(uint8_t value)
{
#if defined(CPUARM)
if (this->value == 0) {
memset(values, value, TELEMETRY_AVERAGE_COUNT);
this->value = value;
}
else {
//calculate the average from values[], raw, value
unsigned int sum = values[0];
for (int i=0; i<TELEMETRY_AVERAGE_COUNT-1; i++) {
uint8_t tmp = values[i+1];
values[i] = tmp;
sum += tmp;
}
values[TELEMETRY_AVERAGE_COUNT-1] = raw;
sum += raw + value;
this->value = sum/(TELEMETRY_AVERAGE_COUNT+2);
}
raw = value;
#else
if (this->value == 0) {
this->value = value;
}
else {
sum += value;
if (link_counter == 0) {
this->value = sum / (IS_FRSKY_D_PROTOCOL() ? FRSKY_D_AVERAGING : FRSKY_SPORT_AVERAGING);
sum = 0;
}
}
#endif
if (!min || value < min) {
min = value;
}
}
void FrskyValueWithMinMax::set(uint8_t value, uint8_t unit)
{
FrskyValueWithMin::set(value);
if (unit != UNIT_VOLTS) {
this->value = value;
}
if (!max || value > max) {
max = value;
}
}
uint16_t getChannelRatio(uint8_t channel)
{
return (uint16_t)g_model.frsky.channels[channel].ratio << g_model.frsky.channels[channel].multiplier;
}
lcdint_t applyChannelRatio(uint8_t channel, lcdint_t val)
{
return ((int32_t)val+g_model.frsky.channels[channel].offset) * getChannelRatio(channel) * 2 / 51;
}
#if defined(CPUARM)
inline bool alarmRaised(uint8_t channel, uint8_t idx)
{
return g_model.frsky.channels[channel].ratio > 0 && g_model.frsky.channels[channel].alarms_value[idx] > 0 && frskyData.analog[channel].value < g_model.frsky.channels[channel].alarms_value[idx];
}
#endif
#if defined(TELEMETREZ)
#define PRIVATE 0x1B
uint8_t privateDataLen;
uint8_t privateDataPos;
#endif
#if defined(ROTARY_ENCODER_NAVIGATION) && defined(TELEMETREZ)
extern uint8_t TrotCount;
extern uint8_t TezRotary;
#endif
NOINLINE void processSerialData(uint8_t data)
{
static uint8_t dataState = STATE_DATA_IDLE;
#if defined(BLUETOOTH)
// TODO if (g_model.bt_telemetry)
btPushByte(data);
#endif
#if defined(PCBTARANIS)
if (g_eeGeneral.uart3Mode == UART_MODE_TELEMETRY_MIRROR) {
uart3Putc(data);
}
#endif
switch (dataState)
{
case STATE_DATA_START:
if (data == START_STOP) {
if (IS_FRSKY_SPORT_PROTOCOL()) {
dataState = STATE_DATA_IN_FRAME ;
frskyRxBufferCount = 0;
}
}
else {
if (frskyRxBufferCount < FRSKY_RX_PACKET_SIZE) {
frskyRxBuffer[frskyRxBufferCount++] = data;
}
dataState = STATE_DATA_IN_FRAME;
}
break;
case STATE_DATA_IN_FRAME:
if (data == BYTESTUFF) {
dataState = STATE_DATA_XOR; // XOR next byte
}
else if (data == START_STOP) {
if (IS_FRSKY_SPORT_PROTOCOL()) {
dataState = STATE_DATA_IN_FRAME ;
frskyRxBufferCount = 0;
}
else {
// end of frame detected
frskyDProcessPacket(frskyRxBuffer);
dataState = STATE_DATA_IDLE;
}
break;
}
else if (frskyRxBufferCount < FRSKY_RX_PACKET_SIZE) {
frskyRxBuffer[frskyRxBufferCount++] = data;
}
break;
case STATE_DATA_XOR:
if (frskyRxBufferCount < FRSKY_RX_PACKET_SIZE) {
frskyRxBuffer[frskyRxBufferCount++] = data ^ STUFF_MASK;
}
dataState = STATE_DATA_IN_FRAME;
break;
case STATE_DATA_IDLE:
if (data == START_STOP) {
frskyRxBufferCount = 0;
dataState = STATE_DATA_START;
}
#if defined(TELEMETREZ)
if (data == PRIVATE) {
dataState = STATE_DATA_PRIVATE_LEN;
}
#endif
break;
#if defined(TELEMETREZ)
case STATE_DATA_PRIVATE_LEN:
dataState = STATE_DATA_PRIVATE_VALUE;
privateDataLen = data; // Count of bytes to receive
privateDataPos = 0;
break;
case STATE_DATA_PRIVATE_VALUE :
if (privateDataPos == 0) {
// Process first private data byte
// PC6, PC7
if ((data & 0x3F) == 0) {// Check byte is valid
DDRC |= 0xC0; // Set as outputs
PORTC = ( PORTC & 0x3F ) | ( data & 0xC0 ); // update outputs
}
}
#if defined(ROTARY_ENCODER_NAVIGATION)
if (privateDataPos == 1) {
TrotCount = data;
}
if (privateDataPos == 2) { // rotary encoder switch
RotEncoder = data;
}
#endif
if (++privateDataPos == privateDataLen) {
dataState = STATE_DATA_IDLE;
}
break;
#endif
} // switch
#if defined(FRSKY_SPORT)
if (IS_FRSKY_SPORT_PROTOCOL() && frskyRxBufferCount >= FRSKY_SPORT_PACKET_SIZE) {
frskySportProcessPacket(frskyRxBuffer);
dataState = STATE_DATA_IDLE;
}
#endif
}
enum AlarmsCheckSteps {
ALARM_SWR_STEP,
ALARM_RSSI_STEP,
ALARM_A1_STEP,
ALARM_A2_STEP,
ALARM_A3_STEP,
ALARM_A4_STEP,
ALARM_STEPS_COUNT
};
void telemetryWakeup()
{
#if defined(CPUARM)
if (telemetryProtocol != g_model.telemetryProtocol) {
telemetryProtocol = g_model.telemetryProtocol;
telemetryInit();
}
#endif
#if defined(PCBTARANIS)
uint8_t data;
#if defined(DEBUG) && !defined(SIMU)
static tmr10ms_t lastTime = 0;
tmr10ms_t newTime = get_tmr10ms();
struct gtm utm;
gettime(&utm);
#endif
while (telemetryFifo.pop(data)) {
processSerialData(data);
#if defined(DEBUG) && !defined(SIMU)
extern FIL g_telemetryFile;
if (lastTime != newTime) {
f_printf(&g_telemetryFile, "\r\n%4d-%02d-%02d,%02d:%02d:%02d.%02d0: %02X", utm.tm_year+1900, utm.tm_mon+1, utm.tm_mday, utm.tm_hour, utm.tm_min, utm.tm_sec, g_ms100, data);
lastTime = newTime;
}
else {
f_printf(&g_telemetryFile, " %02X", data);
}
#endif
}
#elif defined(PCBSKY9X)
if (telemetryProtocol == PROTOCOL_FRSKY_D_SECONDARY) {
uint16_t data ;
while ((data=telemetrySecondPortReceive()) != 0xFFFF) {
processSerialData(data);
}
}
else {
// Receive serial data here
rxPdcUsart(processSerialData);
}
#endif
#if !defined(PCBTARANIS)
if (IS_FRSKY_D_PROTOCOL()) {
// Attempt to transmit any waiting Fr-Sky alarm set packets every 50ms (subject to packet buffer availability)
static uint8_t frskyTxDelay = 5;
if (frskyAlarmsSendState && (--frskyTxDelay == 0)) {
frskyTxDelay = 5; // 50ms
#if !defined(SIMU)
frskyDSendNextAlarm();
#endif
}
}
#endif
#if defined(VARIO)
if (TELEMETRY_STREAMING() && !IS_FAI_ENABLED()) {
varioWakeup();
}
#endif
#if defined(CPUARM)
static tmr10ms_t alarmsCheckTime = 0;
static uint8_t alarmsCheckStep = 0;
if (int32_t(get_tmr10ms() - alarmsCheckTime) > 0) {
alarmsCheckTime = get_tmr10ms() + 100; /* next check in 1 second */
if (alarmsCheckStep == ALARM_SWR_STEP) {
#if defined(PCBTARANIS)
if (IS_FRSKY_SPORT_PROTOCOL() && frskyData.swr.value > 0x33) {
AUDIO_SWR_RED();
POPUP_WARNING(STR_ANTENNAPROBLEM);
alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
}
#endif
}
else if (TELEMETRY_STREAMING()) {
if (alarmsCheckStep == ALARM_RSSI_STEP) {
if (getRssiAlarmValue(1) && frskyData.rssi[0].value < getRssiAlarmValue(1)) {
AUDIO_RSSI_RED();
alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
}
else if (getRssiAlarmValue(0) && frskyData.rssi[0].value < getRssiAlarmValue(0)) {
AUDIO_RSSI_ORANGE();
alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
}
}
else if (alarmsCheckStep == ALARM_A1_STEP) {
if (alarmRaised(TELEM_ANA_A1, 1)) {
AUDIO_A1_RED();
alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
}
else if (alarmRaised(TELEM_ANA_A1, 0)) {
AUDIO_A1_ORANGE();
alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
}
}
else if (alarmsCheckStep == ALARM_A2_STEP) {
if (alarmRaised(TELEM_ANA_A2, 1)) {
AUDIO_A2_RED();
alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
}
else if (alarmRaised(TELEM_ANA_A2, 0)) {
AUDIO_A2_ORANGE();
alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
}
}
else if (alarmsCheckStep == ALARM_A3_STEP) {
if (alarmRaised(TELEM_ANA_A3, 1)) {
AUDIO_A3_RED();
alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
}
else if (alarmRaised(TELEM_ANA_A3, 0)) {
AUDIO_A3_ORANGE();
alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
}
}
else if (alarmsCheckStep == ALARM_A4_STEP) {
if (alarmRaised(TELEM_ANA_A4, 1)) {
AUDIO_A4_RED();
alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
}
else if (alarmRaised(TELEM_ANA_A4, 0)) {
AUDIO_A4_ORANGE();
alarmsCheckTime = get_tmr10ms() + 300; /* next check in 3 seconds */
}
}
}
if (++alarmsCheckStep == ALARM_STEPS_COUNT) {
alarmsCheckStep = 0;
}
}
if (TELEMETRY_STREAMING()) {
if (telemetryState == TELEMETRY_KO) {
AUDIO_TELEMETRY_BACK();
}
telemetryState = TELEMETRY_OK;
}
else if (telemetryState == TELEMETRY_OK) {
telemetryState = TELEMETRY_KO;
AUDIO_TELEMETRY_LOST();
}
#endif
}
void telemetryInterrupt10ms()
{
uint16_t voltage = 0; /* unit: 1/10 volts */
#if defined(FRSKY_HUB)
for (uint8_t i=0; i<frskyData.hub.cellsCount; i++)
voltage += frskyData.hub.cellVolts[i];
voltage /= (10 / TELEMETRY_CELL_VOLTAGE_MUTLIPLIER);
frskyData.hub.cellsSum = voltage;
if (frskyData.hub.cellsSum < frskyData.hub.minCells) {
frskyData.hub.minCells = frskyData.hub.cellsSum;
}
#endif
if (TELEMETRY_STREAMING()) {
if (!TELEMETRY_OPENXSENSOR()) {
// power calculation
uint8_t channel = g_model.frsky.voltsSource;
#if defined(CPUARM)
if (channel <= FRSKY_VOLTS_SOURCE_A4) {
voltage = applyChannelRatio(channel, frskyData.analog[channel].value) / 10;
}
#else
if (channel <= FRSKY_VOLTS_SOURCE_A2) {
voltage = applyChannelRatio(channel, frskyData.analog[channel].value) / 10;
}
#endif
#if defined(FRSKY_HUB)
else if (channel == FRSKY_VOLTS_SOURCE_FAS) {
voltage = frskyData.hub.vfas;
}
#endif
#if defined(FRSKY_HUB)
uint16_t current = frskyData.hub.current; /* unit: 1/10 amps */
#else
uint16_t current = 0;
#endif
channel = g_model.frsky.currentSource - FRSKY_CURRENT_SOURCE_A1;
if (channel < MAX_FRSKY_A_CHANNELS) {
current = applyChannelRatio(channel, frskyData.analog[channel].value) / 10;
}
#if defined(CPUARM)
frskyData.hub.power = (current * voltage) / 100;
#else
frskyData.hub.power = ((current>>1) * (voltage>>1)) / 25;
#endif
frskyData.hub.currentPrescale += current;
if (frskyData.hub.currentPrescale >= 3600) {
frskyData.hub.currentConsumption += 1;
frskyData.hub.currentPrescale -= 3600;
}
}
if (frskyData.hub.power > frskyData.hub.maxPower) {
frskyData.hub.maxPower = frskyData.hub.power;
}
}
#if defined(WS_HOW_HIGH)
if (frskyUsrStreaming > 0) {
frskyUsrStreaming--;
}
#endif
if (frskyStreaming > 0) {
frskyStreaming--;
}
else {
#if !defined(SIMU)
frskyData.rssi[0].set(0);
frskyData.rssi[1].set(0);
#endif
}
}
void telemetryReset()
{
memclear(&frskyData, sizeof(frskyData));
frskyStreaming = 0; // reset counter only if valid frsky packets are being detected
link_counter = 0;
#if defined(CPUARM)
telemetryState = TELEMETRY_INIT;
#endif
#if defined(FRSKY_HUB)
frskyData.hub.gpsLatitude_bp = 2;
frskyData.hub.gpsLongitude_bp = 2;
frskyData.hub.gpsFix = -1;
#endif
#if defined(SIMU)
#if defined(CPUARM)
frskyData.swr.value = 30;
#endif
frskyData.rssi[0].value = 75;
frskyData.rssi[1].value = 75;
frskyData.analog[TELEM_ANA_A1].set(120, UNIT_VOLTS);
frskyData.analog[TELEM_ANA_A2].set(240, UNIT_VOLTS);
#if defined(CPUARM)
frskyData.analog[TELEM_ANA_A3].set(100, UNIT_VOLTS);
frskyData.analog[TELEM_ANA_A4].set(200, UNIT_VOLTS);
#endif
frskyData.hub.fuelLevel = 75;
frskyData.hub.rpm = 12000;
frskyData.hub.vfas = 100;
frskyData.hub.minVfas = 90;
#if defined(GPS)
frskyData.hub.gpsFix = 1;
frskyData.hub.gpsLatitude_bp = 4401;
frskyData.hub.gpsLatitude_ap = 7710;
frskyData.hub.gpsLongitude_bp = 1006;
frskyData.hub.gpsLongitude_ap = 8872;
frskyData.hub.gpsSpeed_bp = 200; //in knots
frskyData.hub.gpsSpeed_ap = 0;
getGpsPilotPosition();
frskyData.hub.gpsLatitude_bp = 4401;
frskyData.hub.gpsLatitude_ap = 7455;
frskyData.hub.gpsLongitude_bp = 1006;
frskyData.hub.gpsLongitude_ap = 9533;
getGpsDistance();
#endif
frskyData.hub.airSpeed = 1000; // 185.1 km/h
frskyData.hub.cellsCount = 6;
frskyData.hub.cellVolts[0] = 410/TELEMETRY_CELL_VOLTAGE_MUTLIPLIER;
frskyData.hub.cellVolts[1] = 420/TELEMETRY_CELL_VOLTAGE_MUTLIPLIER;
frskyData.hub.cellVolts[2] = 430/TELEMETRY_CELL_VOLTAGE_MUTLIPLIER;
frskyData.hub.cellVolts[3] = 440/TELEMETRY_CELL_VOLTAGE_MUTLIPLIER;
frskyData.hub.cellVolts[4] = 450/TELEMETRY_CELL_VOLTAGE_MUTLIPLIER;
frskyData.hub.cellVolts[5] = 460/TELEMETRY_CELL_VOLTAGE_MUTLIPLIER;
frskyData.hub.minCellVolts = 250/TELEMETRY_CELL_VOLTAGE_MUTLIPLIER;
frskyData.hub.minCell = 300; //unit 10mV
frskyData.hub.minCells = 220; //unit 100mV
//frskyData.hub.cellsSum = 261; //calculated from cellVolts[]
frskyData.hub.gpsAltitude_bp = 50;
frskyData.hub.baroAltitude_bp = 50;
frskyData.hub.minAltitude = 10;
frskyData.hub.maxAltitude = 500;
#if defined(CPUARM)
frskyData.hub.baroAltitude = 340*100; //in cm
#endif
frskyData.hub.accelY = 100;
frskyData.hub.temperature1 = -30;
frskyData.hub.maxTemperature1 = 100;
frskyData.hub.current = 55;
frskyData.hub.maxCurrent = 65;
#endif
}
void telemetryInit(void)
{
#if defined(CPUARM)
if (telemetryProtocol == PROTOCOL_FRSKY_D) {
telemetryPortInit(FRSKY_D_BAUDRATE);
}
else if (telemetryProtocol==PROTOCOL_FRSKY_D_SECONDARY) {
telemetryPortInit(0);
telemetrySecondPortInit(PROTOCOL_FRSKY_D_SECONDARY);
}
else {
telemetryPortInit(FRSKY_SPORT_BAUDRATE);
}
#elif !defined(SIMU)
telemetryPortInit();
#endif
// we don't reset the telemetry here as we would also reset the consumption after model load
}