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337d5b7079
when the switch is flipped.
924 lines
33 KiB
C
924 lines
33 KiB
C
/**
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******************************************************************************
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* @addtogroup OpenPilotModules OpenPilot Modules
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* @{
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* @addtogroup ManualControlModule Manual Control Module
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* @brief Provide manual control or allow it alter flight mode.
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* @{
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*
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* Reads in the ManualControlCommand FlightMode setting from receiver then either
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* pass the settings straght to ActuatorDesired object (manual mode) or to
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* AttitudeDesired object (stabilized mode)
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*
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* @file manualcontrol.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @brief ManualControl module. Handles safety R/C link and flight mode.
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*
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* @see The GNU Public License (GPL) Version 3
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*
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*****************************************************************************/
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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 as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "openpilot.h"
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#include "accessorydesired.h"
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#include "actuatordesired.h"
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#include "altitudeholddesired.h"
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#include "baroaltitude.h"
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#include "flighttelemetrystats.h"
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#include "flightstatus.h"
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#include "manualcontrol.h"
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#include "manualcontrolsettings.h"
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#include "manualcontrolcommand.h"
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#include "positionactual.h"
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#include "positiondesired.h"
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#include "stabilizationsettings.h"
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#include "stabilizationdesired.h"
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#include "receiveractivity.h"
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// Private constants
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#if defined(PIOS_MANUAL_STACK_SIZE)
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#define STACK_SIZE_BYTES PIOS_MANUAL_STACK_SIZE
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#else
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#define STACK_SIZE_BYTES 1024
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#endif
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#define TASK_PRIORITY (tskIDLE_PRIORITY+4)
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#define UPDATE_PERIOD_MS 20
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#define THROTTLE_FAILSAFE -0.1f
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#define FLIGHT_MODE_LIMIT 1.0f/3.0f
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#define ARMED_TIME_MS 1000
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#define ARMED_THRESHOLD 0.50f
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//safe band to allow a bit of calibration error or trim offset (in microseconds)
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#define CONNECTION_OFFSET 150
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// Private types
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typedef enum
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{
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ARM_STATE_DISARMED,
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ARM_STATE_ARMING_MANUAL,
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ARM_STATE_ARMED,
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ARM_STATE_DISARMING_MANUAL,
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ARM_STATE_DISARMING_TIMEOUT
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} ArmState_t;
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// Private variables
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static xTaskHandle taskHandle;
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static ArmState_t armState;
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static portTickType lastSysTime;
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// Private functions
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static void updateActuatorDesired(ManualControlCommandData * cmd);
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static void updateStabilizationDesired(ManualControlCommandData * cmd, ManualControlSettingsData * settings);
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static void altitudeHoldDesired(ManualControlCommandData * cmd);
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static void positionDesired(ManualControlCommandData * cmd);
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static void processFlightMode(ManualControlSettingsData * settings, float flightMode);
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static void processArm(ManualControlCommandData * cmd, ManualControlSettingsData * settings);
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static void setArmedIfChanged(uint8_t val);
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static void manualControlTask(void *parameters);
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static float scaleChannel(int16_t value, int16_t max, int16_t min, int16_t neutral);
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static uint32_t timeDifferenceMs(portTickType start_time, portTickType end_time);
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static bool okToArm(void);
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static bool validInputRange(int16_t min, int16_t max, uint16_t value);
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#define RCVR_ACTIVITY_MONITOR_CHANNELS_PER_GROUP 12
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#define RCVR_ACTIVITY_MONITOR_MIN_RANGE 10
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struct rcvr_activity_fsm {
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ManualControlSettingsChannelGroupsOptions group;
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uint16_t prev[RCVR_ACTIVITY_MONITOR_CHANNELS_PER_GROUP];
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uint8_t sample_count;
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};
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static struct rcvr_activity_fsm activity_fsm;
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static void resetRcvrActivity(struct rcvr_activity_fsm * fsm);
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static bool updateRcvrActivity(struct rcvr_activity_fsm * fsm);
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#define assumptions (assumptions1 && assumptions3 && assumptions5 && assumptions7 && assumptions8 && assumptions_flightmode && assumptions_channelcount)
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/**
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* Module starting
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*/
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int32_t ManualControlStart()
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{
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// Start main task
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xTaskCreate(manualControlTask, (signed char *)"ManualControl", STACK_SIZE_BYTES/4, NULL, TASK_PRIORITY, &taskHandle);
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TaskMonitorAdd(TASKINFO_RUNNING_MANUALCONTROL, taskHandle);
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PIOS_WDG_RegisterFlag(PIOS_WDG_MANUAL);
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return 0;
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}
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/**
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* Module initialization
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*/
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int32_t ManualControlInitialize()
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{
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/* Check the assumptions about uavobject enum's are correct */
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if(!assumptions)
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return -1;
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AccessoryDesiredInitialize();
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ManualControlCommandInitialize();
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FlightStatusInitialize();
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StabilizationDesiredInitialize();
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ReceiverActivityInitialize();
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ManualControlSettingsInitialize();
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return 0;
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}
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MODULE_INITCALL(ManualControlInitialize, ManualControlStart)
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/**
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* Module task
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*/
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static void manualControlTask(void *parameters)
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{
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ManualControlSettingsData settings;
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ManualControlCommandData cmd;
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FlightStatusData flightStatus;
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float flightMode = 0;
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uint8_t disconnected_count = 0;
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uint8_t connected_count = 0;
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// For now manual instantiate extra instances of Accessory Desired. In future should be done dynamically
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// this includes not even registering it if not used
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AccessoryDesiredCreateInstance();
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AccessoryDesiredCreateInstance();
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// Make sure unarmed on power up
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ManualControlCommandGet(&cmd);
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FlightStatusGet(&flightStatus);
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flightStatus.Armed = FLIGHTSTATUS_ARMED_DISARMED;
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armState = ARM_STATE_DISARMED;
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/* Initialize the RcvrActivty FSM */
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portTickType lastActivityTime = xTaskGetTickCount();
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resetRcvrActivity(&activity_fsm);
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// Main task loop
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lastSysTime = xTaskGetTickCount();
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while (1) {
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float scaledChannel[MANUALCONTROLSETTINGS_CHANNELGROUPS_NUMELEM];
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// Wait until next update
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vTaskDelayUntil(&lastSysTime, UPDATE_PERIOD_MS / portTICK_RATE_MS);
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PIOS_WDG_UpdateFlag(PIOS_WDG_MANUAL);
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// Read settings
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ManualControlSettingsGet(&settings);
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/* Update channel activity monitor */
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if (flightStatus.Armed == ARM_STATE_DISARMED) {
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if (updateRcvrActivity(&activity_fsm)) {
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/* Reset the aging timer because activity was detected */
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lastActivityTime = lastSysTime;
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}
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}
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if (timeDifferenceMs(lastActivityTime, lastSysTime) > 5000) {
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resetRcvrActivity(&activity_fsm);
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lastActivityTime = lastSysTime;
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}
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if (ManualControlCommandReadOnly()) {
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FlightTelemetryStatsData flightTelemStats;
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FlightTelemetryStatsGet(&flightTelemStats);
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if(flightTelemStats.Status != FLIGHTTELEMETRYSTATS_STATUS_CONNECTED) {
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/* trying to fly via GCS and lost connection. fall back to transmitter */
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UAVObjMetadata metadata;
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ManualControlCommandGetMetadata(&metadata);
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metadata.access = ACCESS_READWRITE;
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ManualControlCommandSetMetadata(&metadata);
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}
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}
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if (!ManualControlCommandReadOnly()) {
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bool valid_input_detected = true;
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// Read channel values in us
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for (uint8_t n = 0;
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n < MANUALCONTROLSETTINGS_CHANNELGROUPS_NUMELEM && n < MANUALCONTROLCOMMAND_CHANNEL_NUMELEM;
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++n) {
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extern uint32_t pios_rcvr_group_map[];
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if (settings.ChannelGroups[n] >= MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE) {
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cmd.Channel[n] = PIOS_RCVR_INVALID;
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} else {
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cmd.Channel[n] = PIOS_RCVR_Read(pios_rcvr_group_map[settings.ChannelGroups[n]],
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settings.ChannelNumber[n]);
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}
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// If a channel has timed out this is not valid data and we shouldn't update anything
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// until we decide to go to failsafe
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if(cmd.Channel[n] == PIOS_RCVR_TIMEOUT)
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valid_input_detected = false;
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else
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scaledChannel[n] = scaleChannel(cmd.Channel[n], settings.ChannelMax[n], settings.ChannelMin[n], settings.ChannelNeutral[n]);
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}
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// Check settings, if error raise alarm
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if (settings.ChannelGroups[MANUALCONTROLSETTINGS_CHANNELGROUPS_ROLL] >= MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE ||
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settings.ChannelGroups[MANUALCONTROLSETTINGS_CHANNELGROUPS_PITCH] >= MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE ||
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settings.ChannelGroups[MANUALCONTROLSETTINGS_CHANNELGROUPS_YAW] >= MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE ||
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settings.ChannelGroups[MANUALCONTROLSETTINGS_CHANNELGROUPS_THROTTLE] >= MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE ||
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settings.ChannelGroups[MANUALCONTROLSETTINGS_CHANNELGROUPS_FLIGHTMODE] >= MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE ||
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// Check all channel mappings are valid
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_ROLL] == (uint16_t) PIOS_RCVR_INVALID ||
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_PITCH] == (uint16_t) PIOS_RCVR_INVALID ||
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_YAW] == (uint16_t) PIOS_RCVR_INVALID ||
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_THROTTLE] == (uint16_t) PIOS_RCVR_INVALID ||
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_FLIGHTMODE] == (uint16_t) PIOS_RCVR_INVALID ||
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// Check the driver is exists
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_ROLL] == (uint16_t) PIOS_RCVR_NODRIVER ||
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_PITCH] == (uint16_t) PIOS_RCVR_NODRIVER ||
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_YAW] == (uint16_t) PIOS_RCVR_NODRIVER ||
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_THROTTLE] == (uint16_t) PIOS_RCVR_NODRIVER ||
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_FLIGHTMODE] == (uint16_t) PIOS_RCVR_NODRIVER) {
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AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_CRITICAL);
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cmd.Connected = MANUALCONTROLCOMMAND_CONNECTED_FALSE;
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ManualControlCommandSet(&cmd);
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// Need to do this here since we don't process armed status. Since this shouldn't happen in flight (changed config)
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// immediately disarm
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setArmedIfChanged(FLIGHTSTATUS_ARMED_DISARMED);
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continue;
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}
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// decide if we have valid manual input or not
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valid_input_detected &= validInputRange(settings.ChannelMin[MANUALCONTROLSETTINGS_CHANNELGROUPS_THROTTLE], settings.ChannelMax[MANUALCONTROLSETTINGS_CHANNELGROUPS_THROTTLE], cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_THROTTLE]) &&
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validInputRange(settings.ChannelMin[MANUALCONTROLSETTINGS_CHANNELGROUPS_ROLL], settings.ChannelMax[MANUALCONTROLSETTINGS_CHANNELGROUPS_ROLL], cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_ROLL]) &&
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validInputRange(settings.ChannelMin[MANUALCONTROLSETTINGS_CHANNELGROUPS_YAW], settings.ChannelMax[MANUALCONTROLSETTINGS_CHANNELGROUPS_YAW], cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_YAW]) &&
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validInputRange(settings.ChannelMin[MANUALCONTROLSETTINGS_CHANNELGROUPS_PITCH], settings.ChannelMax[MANUALCONTROLSETTINGS_CHANNELGROUPS_PITCH], cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_PITCH]);
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// Implement hysteresis loop on connection status
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if (valid_input_detected && (++connected_count > 10)) {
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cmd.Connected = MANUALCONTROLCOMMAND_CONNECTED_TRUE;
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connected_count = 0;
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disconnected_count = 0;
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} else if (!valid_input_detected && (++disconnected_count > 10)) {
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cmd.Connected = MANUALCONTROLCOMMAND_CONNECTED_FALSE;
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connected_count = 0;
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disconnected_count = 0;
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}
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if (cmd.Connected == MANUALCONTROLCOMMAND_CONNECTED_FALSE) {
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cmd.Throttle = -1; // Shut down engine with no control
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cmd.Roll = 0;
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cmd.Yaw = 0;
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cmd.Pitch = 0;
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cmd.Collective = 0;
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//cmd.FlightMode = MANUALCONTROLCOMMAND_FLIGHTMODE_AUTO; // don't do until AUTO implemented and functioning
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// Important: Throttle < 0 will reset Stabilization coefficients among other things. Either change this,
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// or leave throttle at IDLE speed or above when going into AUTO-failsafe.
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AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_WARNING);
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AccessoryDesiredData accessory;
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// Set Accessory 0
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if (settings.ChannelGroups[MANUALCONTROLSETTINGS_CHANNELGROUPS_ACCESSORY0] !=
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MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE) {
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accessory.AccessoryVal = 0;
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if(AccessoryDesiredInstSet(0, &accessory) != 0)
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AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_WARNING);
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}
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// Set Accessory 1
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if (settings.ChannelGroups[MANUALCONTROLSETTINGS_CHANNELGROUPS_ACCESSORY1] !=
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MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE) {
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accessory.AccessoryVal = 0;
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if(AccessoryDesiredInstSet(1, &accessory) != 0)
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AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_WARNING);
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}
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// Set Accessory 2
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if (settings.ChannelGroups[MANUALCONTROLSETTINGS_CHANNELGROUPS_ACCESSORY2] !=
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MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE) {
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accessory.AccessoryVal = 0;
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if(AccessoryDesiredInstSet(2, &accessory) != 0)
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AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_WARNING);
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}
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} else {
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AlarmsClear(SYSTEMALARMS_ALARM_MANUALCONTROL);
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// Scale channels to -1 -> +1 range
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cmd.Roll = scaledChannel[MANUALCONTROLSETTINGS_CHANNELGROUPS_ROLL];
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cmd.Pitch = scaledChannel[MANUALCONTROLSETTINGS_CHANNELGROUPS_PITCH];
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cmd.Yaw = scaledChannel[MANUALCONTROLSETTINGS_CHANNELGROUPS_YAW];
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cmd.Throttle = scaledChannel[MANUALCONTROLSETTINGS_CHANNELGROUPS_THROTTLE];
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flightMode = scaledChannel[MANUALCONTROLSETTINGS_CHANNELGROUPS_FLIGHTMODE];
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if(cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_COLLECTIVE] != PIOS_RCVR_INVALID &&
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_COLLECTIVE] != PIOS_RCVR_NODRIVER &&
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cmd.Channel[MANUALCONTROLSETTINGS_CHANNELGROUPS_COLLECTIVE] != PIOS_RCVR_TIMEOUT)
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cmd.Collective = scaledChannel[MANUALCONTROLSETTINGS_CHANNELGROUPS_COLLECTIVE];
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AccessoryDesiredData accessory;
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// Set Accessory 0
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if (settings.ChannelGroups[MANUALCONTROLSETTINGS_CHANNELGROUPS_ACCESSORY0] !=
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MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE) {
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accessory.AccessoryVal = scaledChannel[MANUALCONTROLSETTINGS_CHANNELGROUPS_ACCESSORY0];
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if(AccessoryDesiredInstSet(0, &accessory) != 0)
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AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_WARNING);
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}
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// Set Accessory 1
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if (settings.ChannelGroups[MANUALCONTROLSETTINGS_CHANNELGROUPS_ACCESSORY1] !=
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MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE) {
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accessory.AccessoryVal = scaledChannel[MANUALCONTROLSETTINGS_CHANNELGROUPS_ACCESSORY1];
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if(AccessoryDesiredInstSet(1, &accessory) != 0)
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AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_WARNING);
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}
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// Set Accessory 2
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if (settings.ChannelGroups[MANUALCONTROLSETTINGS_CHANNELGROUPS_ACCESSORY2] !=
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MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE) {
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accessory.AccessoryVal = scaledChannel[MANUALCONTROLSETTINGS_CHANNELGROUPS_ACCESSORY2];
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if(AccessoryDesiredInstSet(2, &accessory) != 0)
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AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_WARNING);
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}
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processFlightMode(&settings, flightMode);
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}
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// Process arming outside conditional so system will disarm when disconnected
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processArm(&cmd, &settings);
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// Update cmd object
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ManualControlCommandSet(&cmd);
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} else {
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ManualControlCommandGet(&cmd); /* Under GCS control */
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}
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FlightStatusGet(&flightStatus);
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// Depending on the mode update the Stabilization or Actuator objects
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switch(PARSE_FLIGHT_MODE(flightStatus.FlightMode)) {
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case FLIGHTMODE_UNDEFINED:
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// This reflects a bug in the code architecture!
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AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_CRITICAL);
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break;
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case FLIGHTMODE_MANUAL:
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updateActuatorDesired(&cmd);
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break;
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case FLIGHTMODE_STABILIZED:
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updateStabilizationDesired(&cmd, &settings);
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break;
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case FLIGHTMODE_GUIDANCE:
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switch(flightStatus.FlightMode) {
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case FLIGHTSTATUS_FLIGHTMODE_ALTITUDEHOLD:
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altitudeHoldDesired(&cmd);
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break;
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case FLIGHTSTATUS_FLIGHTMODE_POSITIONHOLD:
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positionDesired(&cmd);
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break;
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default:
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AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_CRITICAL);
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}
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break;
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}
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}
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}
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static void resetRcvrActivity(struct rcvr_activity_fsm * fsm)
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{
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ReceiverActivityData data;
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bool updated = false;
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/* Clear all channel activity flags */
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ReceiverActivityGet(&data);
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if (data.ActiveGroup != RECEIVERACTIVITY_ACTIVEGROUP_NONE &&
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data.ActiveChannel != 255) {
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data.ActiveGroup = RECEIVERACTIVITY_ACTIVEGROUP_NONE;
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data.ActiveChannel = 255;
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updated = true;
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}
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if (updated) {
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ReceiverActivitySet(&data);
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}
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/* Reset the FSM state */
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fsm->group = 0;
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fsm->sample_count = 0;
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}
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static void updateRcvrActivitySample(uint32_t rcvr_id, uint16_t samples[], uint8_t max_channels) {
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for (uint8_t channel = 1; channel <= max_channels; channel++) {
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// Subtract 1 because channels are 1 indexed
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samples[channel - 1] = PIOS_RCVR_Read(rcvr_id, channel);
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}
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}
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static bool updateRcvrActivityCompare(uint32_t rcvr_id, struct rcvr_activity_fsm * fsm)
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{
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bool activity_updated = false;
|
|
|
|
/* Compare the current value to the previous sampled value */
|
|
for (uint8_t channel = 1;
|
|
channel <= RCVR_ACTIVITY_MONITOR_CHANNELS_PER_GROUP;
|
|
channel++) {
|
|
uint16_t delta;
|
|
uint16_t prev = fsm->prev[channel - 1]; // Subtract 1 because channels are 1 indexed
|
|
uint16_t curr = PIOS_RCVR_Read(rcvr_id, channel);
|
|
if (curr > prev) {
|
|
delta = curr - prev;
|
|
} else {
|
|
delta = prev - curr;
|
|
}
|
|
|
|
if (delta > RCVR_ACTIVITY_MONITOR_MIN_RANGE) {
|
|
/* Mark this channel as active */
|
|
ReceiverActivityActiveGroupOptions group;
|
|
|
|
/* Don't assume manualcontrolsettings and receiveractivity are in the same order. */
|
|
switch (fsm->group) {
|
|
case MANUALCONTROLSETTINGS_CHANNELGROUPS_PWM:
|
|
group = RECEIVERACTIVITY_ACTIVEGROUP_PWM;
|
|
break;
|
|
case MANUALCONTROLSETTINGS_CHANNELGROUPS_PPM:
|
|
group = RECEIVERACTIVITY_ACTIVEGROUP_PPM;
|
|
break;
|
|
case MANUALCONTROLSETTINGS_CHANNELGROUPS_DSMMAINPORT:
|
|
group = RECEIVERACTIVITY_ACTIVEGROUP_DSMMAINPORT;
|
|
break;
|
|
case MANUALCONTROLSETTINGS_CHANNELGROUPS_DSMFLEXIPORT:
|
|
group = RECEIVERACTIVITY_ACTIVEGROUP_DSMFLEXIPORT;
|
|
break;
|
|
case MANUALCONTROLSETTINGS_CHANNELGROUPS_SBUS:
|
|
group = RECEIVERACTIVITY_ACTIVEGROUP_SBUS;
|
|
break;
|
|
case MANUALCONTROLSETTINGS_CHANNELGROUPS_GCS:
|
|
group = RECEIVERACTIVITY_ACTIVEGROUP_GCS;
|
|
break;
|
|
default:
|
|
PIOS_Assert(0);
|
|
break;
|
|
}
|
|
|
|
ReceiverActivityActiveGroupSet((uint8_t*)&group);
|
|
ReceiverActivityActiveChannelSet(&channel);
|
|
activity_updated = true;
|
|
}
|
|
}
|
|
return (activity_updated);
|
|
}
|
|
|
|
static bool updateRcvrActivity(struct rcvr_activity_fsm * fsm)
|
|
{
|
|
bool activity_updated = false;
|
|
|
|
if (fsm->group >= MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE) {
|
|
/* We're out of range, reset things */
|
|
resetRcvrActivity(fsm);
|
|
}
|
|
|
|
extern uint32_t pios_rcvr_group_map[];
|
|
if (!pios_rcvr_group_map[fsm->group]) {
|
|
/* Unbound group, skip it */
|
|
goto group_completed;
|
|
}
|
|
|
|
if (fsm->sample_count == 0) {
|
|
/* Take a sample of each channel in this group */
|
|
updateRcvrActivitySample(pios_rcvr_group_map[fsm->group],
|
|
fsm->prev,
|
|
NELEMENTS(fsm->prev));
|
|
fsm->sample_count++;
|
|
return (false);
|
|
}
|
|
|
|
/* Compare with previous sample */
|
|
activity_updated = updateRcvrActivityCompare(pios_rcvr_group_map[fsm->group], fsm);
|
|
|
|
group_completed:
|
|
/* Reset the sample counter */
|
|
fsm->sample_count = 0;
|
|
|
|
/* Find the next active group, but limit search so we can't loop forever here */
|
|
for (uint8_t i = 0; i < MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE; i++) {
|
|
/* Move to the next group */
|
|
fsm->group++;
|
|
if (fsm->group >= MANUALCONTROLSETTINGS_CHANNELGROUPS_NONE) {
|
|
/* Wrap back to the first group */
|
|
fsm->group = 0;
|
|
}
|
|
if (pios_rcvr_group_map[fsm->group]) {
|
|
/*
|
|
* Found an active group, take a sample here to avoid an
|
|
* extra 20ms delay in the main thread so we can speed up
|
|
* this algorithm.
|
|
*/
|
|
updateRcvrActivitySample(pios_rcvr_group_map[fsm->group],
|
|
fsm->prev,
|
|
NELEMENTS(fsm->prev));
|
|
fsm->sample_count++;
|
|
break;
|
|
}
|
|
}
|
|
|
|
return (activity_updated);
|
|
}
|
|
|
|
static void updateActuatorDesired(ManualControlCommandData * cmd)
|
|
{
|
|
ActuatorDesiredData actuator;
|
|
ActuatorDesiredGet(&actuator);
|
|
actuator.Roll = cmd->Roll;
|
|
actuator.Pitch = cmd->Pitch;
|
|
actuator.Yaw = cmd->Yaw;
|
|
actuator.Throttle = (cmd->Throttle < 0) ? -1 : cmd->Throttle;
|
|
ActuatorDesiredSet(&actuator);
|
|
}
|
|
|
|
static void updateStabilizationDesired(ManualControlCommandData * cmd, ManualControlSettingsData * settings)
|
|
{
|
|
StabilizationDesiredData stabilization;
|
|
StabilizationDesiredGet(&stabilization);
|
|
|
|
StabilizationSettingsData stabSettings;
|
|
StabilizationSettingsGet(&stabSettings);
|
|
|
|
uint8_t * stab_settings;
|
|
FlightStatusData flightStatus;
|
|
FlightStatusGet(&flightStatus);
|
|
switch(flightStatus.FlightMode) {
|
|
case FLIGHTSTATUS_FLIGHTMODE_STABILIZED1:
|
|
stab_settings = settings->Stabilization1Settings;
|
|
break;
|
|
case FLIGHTSTATUS_FLIGHTMODE_STABILIZED2:
|
|
stab_settings = settings->Stabilization2Settings;
|
|
break;
|
|
case FLIGHTSTATUS_FLIGHTMODE_STABILIZED3:
|
|
stab_settings = settings->Stabilization3Settings;
|
|
break;
|
|
default:
|
|
// Major error, this should not occur because only enter this block when one of these is true
|
|
AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_CRITICAL);
|
|
return;
|
|
}
|
|
|
|
// TOOD: Add assumption about order of stabilization desired and manual control stabilization mode fields having same order
|
|
stabilization.StabilizationMode[STABILIZATIONDESIRED_STABILIZATIONMODE_ROLL] = stab_settings[0];
|
|
stabilization.StabilizationMode[STABILIZATIONDESIRED_STABILIZATIONMODE_PITCH] = stab_settings[1];
|
|
stabilization.StabilizationMode[STABILIZATIONDESIRED_STABILIZATIONMODE_YAW] = stab_settings[2];
|
|
|
|
stabilization.Roll = (stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_NONE) ? cmd->Roll :
|
|
(stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_RATE) ? cmd->Roll * stabSettings.ManualRate[STABILIZATIONSETTINGS_MANUALRATE_ROLL] :
|
|
(stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_WEAKLEVELING) ? cmd->Roll * stabSettings.ManualRate[STABILIZATIONSETTINGS_MANUALRATE_ROLL] :
|
|
(stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_ATTITUDE) ? cmd->Roll * stabSettings.RollMax :
|
|
(stab_settings[0] == STABILIZATIONDESIRED_STABILIZATIONMODE_AXISLOCK) ? cmd->Roll * stabSettings.ManualRate[STABILIZATIONSETTINGS_MANUALRATE_ROLL] :
|
|
0; // this is an invalid mode
|
|
;
|
|
stabilization.Pitch = (stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_NONE) ? cmd->Pitch :
|
|
(stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_RATE) ? cmd->Pitch * stabSettings.ManualRate[STABILIZATIONSETTINGS_MANUALRATE_PITCH] :
|
|
(stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_WEAKLEVELING) ? cmd->Pitch * stabSettings.ManualRate[STABILIZATIONSETTINGS_MANUALRATE_PITCH] :
|
|
(stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_ATTITUDE) ? cmd->Pitch * stabSettings.PitchMax :
|
|
(stab_settings[1] == STABILIZATIONDESIRED_STABILIZATIONMODE_AXISLOCK) ? cmd->Pitch * stabSettings.ManualRate[STABILIZATIONSETTINGS_MANUALRATE_PITCH] :
|
|
0; // this is an invalid mode
|
|
|
|
stabilization.Yaw = (stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_NONE) ? cmd->Yaw :
|
|
(stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_RATE) ? cmd->Yaw * stabSettings.ManualRate[STABILIZATIONSETTINGS_MANUALRATE_YAW] :
|
|
(stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_WEAKLEVELING) ? cmd->Yaw * stabSettings.ManualRate[STABILIZATIONSETTINGS_MANUALRATE_YAW] :
|
|
(stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_ATTITUDE) ? cmd->Yaw * stabSettings.YawMax :
|
|
(stab_settings[2] == STABILIZATIONDESIRED_STABILIZATIONMODE_AXISLOCK) ? cmd->Yaw * stabSettings.ManualRate[STABILIZATIONSETTINGS_MANUALRATE_YAW] :
|
|
0; // this is an invalid mode
|
|
|
|
stabilization.Throttle = (cmd->Throttle < 0) ? -1 : cmd->Throttle;
|
|
StabilizationDesiredSet(&stabilization);
|
|
}
|
|
|
|
#if defined(REVOLUTION)
|
|
// TODO: Need compile flag to exclude this from copter control
|
|
/**
|
|
* @brief Update the position desired to current location when
|
|
* enabled and allow the waypoint to be moved by transmitter
|
|
*/
|
|
static void positionDesired(ManualControlCommandData * cmd)
|
|
{
|
|
static portTickType lastSysTime;
|
|
portTickType thisSysTime;
|
|
float dT;
|
|
|
|
thisSysTime = xTaskGetTickCount();
|
|
dT = (thisSysTime - lastSysTime) / portTICK_RATE_MS / 1000.0f;
|
|
lastSysTime = thisSysTime;
|
|
|
|
if(dT > 1) {
|
|
// After not being in this mode for a while init at current height
|
|
PositionActualData positionActual;
|
|
PositionActualGet(&positionActual);
|
|
|
|
PositionDesiredData positionDesired;
|
|
PositionDesiredGet(&positionDesired);
|
|
positionDesired.North = positionActual.North;
|
|
positionDesired.East = positionActual.East;
|
|
positionDesired.Down = positionActual.Down;
|
|
PositionDesiredSet(&positionDesired);
|
|
} else {
|
|
// TODO: Implement moving magic waypoint with remote
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Update the altitude desired to current altitude when
|
|
* enabled and enable altitude mode for stabilization
|
|
* @todo: Need compile flag to exclude this from copter control
|
|
*/
|
|
static void altitudeHoldDesired(ManualControlCommandData * cmd)
|
|
{
|
|
const float DEADBAND_HIGH = 0.55;
|
|
const float DEADBAND_LOW = 0.45;
|
|
|
|
static portTickType lastSysTime;
|
|
static bool zeroed = false;
|
|
portTickType thisSysTime;
|
|
float dT;
|
|
AltitudeHoldDesiredData altitudeHoldDesired;
|
|
AltitudeHoldDesiredGet(&altitudeHoldDesired);
|
|
|
|
StabilizationSettingsData stabSettings;
|
|
StabilizationSettingsGet(&stabSettings);
|
|
|
|
thisSysTime = xTaskGetTickCount();
|
|
dT = (thisSysTime - lastSysTime) / portTICK_RATE_MS / 1000.0f;
|
|
lastSysTime = thisSysTime;
|
|
|
|
altitudeHoldDesired.Roll = cmd->Roll * stabSettings.RollMax;
|
|
altitudeHoldDesired.Pitch = cmd->Pitch * stabSettings.PitchMax;
|
|
altitudeHoldDesired.Yaw = cmd->Yaw * stabSettings.ManualRate[STABILIZATIONSETTINGS_MANUALRATE_YAW];
|
|
|
|
float currentDown;
|
|
PositionActualDownGet(¤tDown);
|
|
if(dT > 1) {
|
|
// After not being in this mode for a while init at current height
|
|
altitudeHoldDesired.Altitude = 0;
|
|
zeroed = false;
|
|
} else if (cmd->Throttle > DEADBAND_HIGH && zeroed)
|
|
altitudeHoldDesired.Altitude += (cmd->Throttle - DEADBAND_HIGH) * dT;
|
|
else if (cmd->Throttle < DEADBAND_LOW && zeroed)
|
|
altitudeHoldDesired.Altitude += (cmd->Throttle - DEADBAND_LOW) * dT;
|
|
else if (cmd->Throttle >= DEADBAND_LOW && cmd->Throttle <= DEADBAND_HIGH) // Require the stick to enter the dead band before they can move height
|
|
zeroed = true;
|
|
|
|
AltitudeHoldDesiredSet(&altitudeHoldDesired);
|
|
}
|
|
#else
|
|
static void altitudeHoldDesired(ManualControlCommandData * cmd)
|
|
{
|
|
AlarmsSet(SYSTEMALARMS_ALARM_MANUALCONTROL, SYSTEMALARMS_ALARM_ERROR);
|
|
}
|
|
#endif
|
|
/**
|
|
* Convert channel from servo pulse duration (microseconds) to scaled -1/+1 range.
|
|
*/
|
|
static float scaleChannel(int16_t value, int16_t max, int16_t min, int16_t neutral)
|
|
{
|
|
float valueScaled;
|
|
|
|
// Scale
|
|
if ((max > min && value >= neutral) || (min > max && value <= neutral))
|
|
{
|
|
if (max != neutral)
|
|
valueScaled = (float)(value - neutral) / (float)(max - neutral);
|
|
else
|
|
valueScaled = 0;
|
|
}
|
|
else
|
|
{
|
|
if (min != neutral)
|
|
valueScaled = (float)(value - neutral) / (float)(neutral - min);
|
|
else
|
|
valueScaled = 0;
|
|
}
|
|
|
|
// Bound
|
|
if (valueScaled > 1.0) valueScaled = 1.0;
|
|
else
|
|
if (valueScaled < -1.0) valueScaled = -1.0;
|
|
|
|
return valueScaled;
|
|
}
|
|
|
|
static uint32_t timeDifferenceMs(portTickType start_time, portTickType end_time) {
|
|
if(end_time > start_time)
|
|
return (end_time - start_time) * portTICK_RATE_MS;
|
|
return ((((portTICK_RATE_MS) -1) - start_time) + end_time) * portTICK_RATE_MS;
|
|
}
|
|
|
|
/**
|
|
* @brief Determine if the aircraft is safe to arm
|
|
* @returns True if safe to arm, false otherwise
|
|
*/
|
|
static bool okToArm(void)
|
|
{
|
|
// read alarms
|
|
SystemAlarmsData alarms;
|
|
SystemAlarmsGet(&alarms);
|
|
|
|
|
|
// Check each alarm
|
|
for (int i = 0; i < SYSTEMALARMS_ALARM_NUMELEM; i++)
|
|
{
|
|
if (alarms.Alarm[i] >= SYSTEMALARMS_ALARM_ERROR)
|
|
{ // found an alarm thats set
|
|
if (i == SYSTEMALARMS_ALARM_GPS || i == SYSTEMALARMS_ALARM_TELEMETRY)
|
|
continue;
|
|
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* @brief Update the flightStatus object only if value changed. Reduces callbacks
|
|
* @param[in] val The new value
|
|
*/
|
|
static void setArmedIfChanged(uint8_t val) {
|
|
FlightStatusData flightStatus;
|
|
FlightStatusGet(&flightStatus);
|
|
|
|
if(flightStatus.Armed != val) {
|
|
flightStatus.Armed = val;
|
|
FlightStatusSet(&flightStatus);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Process the inputs and determine whether to arm or not
|
|
* @param[out] cmd The structure to set the armed in
|
|
* @param[in] settings Settings indicating the necessary position
|
|
*/
|
|
static void processArm(ManualControlCommandData * cmd, ManualControlSettingsData * settings)
|
|
{
|
|
|
|
bool lowThrottle = cmd->Throttle <= 0;
|
|
|
|
if (settings->Arming == MANUALCONTROLSETTINGS_ARMING_ALWAYSDISARMED) {
|
|
// In this configuration we always disarm
|
|
setArmedIfChanged(FLIGHTSTATUS_ARMED_DISARMED);
|
|
} else {
|
|
// Not really needed since this function not called when disconnected
|
|
if (cmd->Connected == MANUALCONTROLCOMMAND_CONNECTED_FALSE)
|
|
lowThrottle = true;
|
|
|
|
// The throttle is not low, in case we where arming or disarming, abort
|
|
if (!lowThrottle) {
|
|
switch(armState) {
|
|
case ARM_STATE_DISARMING_MANUAL:
|
|
case ARM_STATE_DISARMING_TIMEOUT:
|
|
armState = ARM_STATE_ARMED;
|
|
break;
|
|
case ARM_STATE_ARMING_MANUAL:
|
|
armState = ARM_STATE_DISARMED;
|
|
break;
|
|
default:
|
|
// Nothing needs to be done in the other states
|
|
break;
|
|
}
|
|
return;
|
|
}
|
|
|
|
// The rest of these cases throttle is low
|
|
if (settings->Arming == MANUALCONTROLSETTINGS_ARMING_ALWAYSARMED) {
|
|
// In this configuration, we go into armed state as soon as the throttle is low, never disarm
|
|
setArmedIfChanged(FLIGHTSTATUS_ARMED_ARMED);
|
|
return;
|
|
}
|
|
|
|
|
|
// When the configuration is not "Always armed" and no "Always disarmed",
|
|
// the state will not be changed when the throttle is not low
|
|
static portTickType armedDisarmStart;
|
|
float armingInputLevel = 0;
|
|
|
|
// Calc channel see assumptions7
|
|
int8_t sign = ((settings->Arming-MANUALCONTROLSETTINGS_ARMING_ROLLLEFT)%2) ? -1 : 1;
|
|
switch ( (settings->Arming-MANUALCONTROLSETTINGS_ARMING_ROLLLEFT)/2 ) {
|
|
case ARMING_CHANNEL_ROLL: armingInputLevel = sign * cmd->Roll; break;
|
|
case ARMING_CHANNEL_PITCH: armingInputLevel = sign * cmd->Pitch; break;
|
|
case ARMING_CHANNEL_YAW: armingInputLevel = sign * cmd->Yaw; break;
|
|
}
|
|
|
|
bool manualArm = false;
|
|
bool manualDisarm = false;
|
|
|
|
if (armingInputLevel <= -ARMED_THRESHOLD)
|
|
manualArm = true;
|
|
else if (armingInputLevel >= +ARMED_THRESHOLD)
|
|
manualDisarm = true;
|
|
|
|
switch(armState) {
|
|
case ARM_STATE_DISARMED:
|
|
setArmedIfChanged(FLIGHTSTATUS_ARMED_DISARMED);
|
|
|
|
// only allow arming if it's OK too
|
|
if (manualArm && okToArm()) {
|
|
armedDisarmStart = lastSysTime;
|
|
armState = ARM_STATE_ARMING_MANUAL;
|
|
}
|
|
break;
|
|
|
|
case ARM_STATE_ARMING_MANUAL:
|
|
setArmedIfChanged(FLIGHTSTATUS_ARMED_ARMING);
|
|
|
|
if (manualArm && (timeDifferenceMs(armedDisarmStart, lastSysTime) > ARMED_TIME_MS))
|
|
armState = ARM_STATE_ARMED;
|
|
else if (!manualArm)
|
|
armState = ARM_STATE_DISARMED;
|
|
break;
|
|
|
|
case ARM_STATE_ARMED:
|
|
// When we get here, the throttle is low,
|
|
// we go immediately to disarming due to timeout, also when the disarming mechanism is not enabled
|
|
armedDisarmStart = lastSysTime;
|
|
armState = ARM_STATE_DISARMING_TIMEOUT;
|
|
setArmedIfChanged(FLIGHTSTATUS_ARMED_ARMED);
|
|
break;
|
|
|
|
case ARM_STATE_DISARMING_TIMEOUT:
|
|
// We get here when armed while throttle low, even when the arming timeout is not enabled
|
|
if ((settings->ArmedTimeout != 0) && (timeDifferenceMs(armedDisarmStart, lastSysTime) > settings->ArmedTimeout))
|
|
armState = ARM_STATE_DISARMED;
|
|
|
|
// Switch to disarming due to manual control when needed
|
|
if (manualDisarm) {
|
|
armedDisarmStart = lastSysTime;
|
|
armState = ARM_STATE_DISARMING_MANUAL;
|
|
}
|
|
break;
|
|
|
|
case ARM_STATE_DISARMING_MANUAL:
|
|
if (manualDisarm &&(timeDifferenceMs(armedDisarmStart, lastSysTime) > ARMED_TIME_MS))
|
|
armState = ARM_STATE_DISARMED;
|
|
else if (!manualDisarm)
|
|
armState = ARM_STATE_ARMED;
|
|
break;
|
|
} // End Switch
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Determine which of three positions the flight mode switch is in and set flight mode accordingly
|
|
* @param[out] cmd Pointer to the command structure to set the flight mode in
|
|
* @param[in] settings The settings which indicate which position is which mode
|
|
* @param[in] flightMode the value of the switch position
|
|
*/
|
|
static void processFlightMode(ManualControlSettingsData * settings, float flightMode)
|
|
{
|
|
FlightStatusData flightStatus;
|
|
FlightStatusGet(&flightStatus);
|
|
|
|
uint8_t newMode;
|
|
// Note here the code is ass
|
|
if (flightMode < -FLIGHT_MODE_LIMIT)
|
|
newMode = settings->FlightModePosition[0];
|
|
else if (flightMode > FLIGHT_MODE_LIMIT)
|
|
newMode = settings->FlightModePosition[2];
|
|
else
|
|
newMode = settings->FlightModePosition[1];
|
|
|
|
if(flightStatus.FlightMode != newMode) {
|
|
flightStatus.FlightMode = newMode;
|
|
FlightStatusSet(&flightStatus);
|
|
}
|
|
|
|
}
|
|
|
|
/**
|
|
* @brief Determine if the manual input value is within acceptable limits
|
|
* @returns return TRUE if so, otherwise return FALSE
|
|
*/
|
|
bool validInputRange(int16_t min, int16_t max, uint16_t value)
|
|
{
|
|
if (min > max)
|
|
{
|
|
int16_t tmp = min;
|
|
min = max;
|
|
max = tmp;
|
|
}
|
|
return (value >= min - CONNECTION_OFFSET && value <= max + CONNECTION_OFFSET);
|
|
}
|
|
|
|
/**
|
|
* @}
|
|
* @}
|
|
*/
|