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https://bitbucket.org/librepilot/librepilot.git
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291 lines
8.4 KiB
C
291 lines
8.4 KiB
C
/**
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******************************************************************************
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* @addtogroup OpenPilotModules OpenPilot Modules
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* @{
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* @addtogroup FlightPlan Flight Plan Module
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* @brief Executes flight plan scripts in Python
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* @{
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*
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* @file flightplan.c
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* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
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* @brief Executes flight plan scripts in Python
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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 "pm.h"
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#include "flightplan.h"
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#include "flightplanstatus.h"
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#include "flightplancontrol.h"
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#include "flightplansettings.h"
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// Private constants
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#define STACK_SIZE_BYTES 1500
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#define TASK_PRIORITY (tskIDLE_PRIORITY+1)
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#define MAX_QUEUE_SIZE 2
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// Private types
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// Private variables
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static xTaskHandle taskHandle;
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static xQueueHandle queue;
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// Private functions
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static void flightPlanTask(void *parameters);
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static void objectUpdatedCb(UAVObjEvent * ev);
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// External variables (temporary, TODO: this will be loaded from the SD card)
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extern unsigned char usrlib_img[];
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/**
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* Module initialization
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*/
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int32_t FlightPlanStart()
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{
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taskHandle = NULL;
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// Start VM thread
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xTaskCreate(flightPlanTask, (signed char *)"FlightPlan", STACK_SIZE_BYTES/4, NULL, TASK_PRIORITY, &taskHandle);
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TaskMonitorAdd(TASKINFO_RUNNING_FLIGHTPLAN, taskHandle);
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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 FlightPlanInitialize()
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{
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taskHandle = NULL;
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FlightPlanStatusInitialize();
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FlightPlanControlInitialize();
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FlightPlanSettingsInitialize();
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// Listen for object updates
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FlightPlanControlConnectCallback(&objectUpdatedCb);
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// Create object queue
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queue = xQueueCreate(MAX_QUEUE_SIZE, sizeof(UAVObjEvent));
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// Listen for FlightPlanControl updates
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FlightPlanControlConnectQueue(queue);
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return 0;
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}
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MODULE_INITCALL(FlightPlanInitialize, FlightPlanStart)
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/**
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* Module task
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*/
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static void flightPlanTask(void *parameters)
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{
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UAVObjEvent ev;
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PmReturn_t retval;
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FlightPlanStatusData status;
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FlightPlanControlData control;
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// Setup status object
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status.Status = FLIGHTPLANSTATUS_STATUS_STOPPED;
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status.ErrorFileID = 0;
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status.ErrorLineNum = 0;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_NONE;
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status.Debug[0] = 0.0;
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status.Debug[1] = 0.0;
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FlightPlanStatusSet(&status);
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// Main thread loop
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while (1)
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{
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// Wait for FlightPlanControl updates
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while (xQueueReceive(queue, &ev, portMAX_DELAY) != pdTRUE) ;
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// Get object and check if a start command was sent
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FlightPlanControlGet(&control);
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if ( control.Command == FLIGHTPLANCONTROL_COMMAND_START )
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{
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// Init PyMite
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retval = pm_init(MEMSPACE_PROG, usrlib_img);
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if (retval == PM_RET_OK)
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{
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// Update status
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FlightPlanStatusGet(&status);
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status.Status = FLIGHTPLANSTATUS_STATUS_RUNNING;
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FlightPlanStatusSet(&status);
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// Run the test script (TODO: load from SD card)
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retval = pm_run((uint8_t *)"test");
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// Check if an error or exception was thrown
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if (retval == PM_RET_OK || retval == PM_RET_EX_EXIT)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_STOPPED;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_NONE;
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}
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else if (retval == PM_RET_EX)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_EXCEPTION;
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}
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else if (retval == PM_RET_EX_IO)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_IOERROR;
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}
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else if (retval == PM_RET_EX_ZDIV)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_DIVBYZERO;
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}
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else if (retval == PM_RET_EX_ASSRT)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_ASSERTERROR;
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}
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else if (retval == PM_RET_EX_ATTR)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_ATTRIBUTEERROR;
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}
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else if (retval == PM_RET_EX_IMPRT)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_IMPORTERROR;
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}
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else if (retval == PM_RET_EX_INDX)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_INDEXERROR;
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}
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else if (retval == PM_RET_EX_KEY)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_KEYERROR;
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}
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else if (retval == PM_RET_EX_MEM)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_MEMORYERROR;
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}
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else if (retval == PM_RET_EX_NAME)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_NAMEERROR;
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}
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else if (retval == PM_RET_EX_SYNTAX)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_SYNTAXERROR;
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}
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else if (retval == PM_RET_EX_SYS)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_SYSTEMERROR;
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}
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else if (retval == PM_RET_EX_TYPE)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_TYPEERROR;
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}
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else if (retval == PM_RET_EX_VAL)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_VALUEERROR;
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}
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else if (retval == PM_RET_EX_STOP)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_STOPITERATION;
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}
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else if (retval == PM_RET_EX_WARN)
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_WARNING;
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}
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else
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_UNKNOWNERROR;
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}
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// Get file ID and line number of error (if one)
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status.ErrorFileID = gVmGlobal.errFileId;
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status.ErrorLineNum = gVmGlobal.errLineNum;
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}
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else
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{
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status.Status = FLIGHTPLANSTATUS_STATUS_ERROR;
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status.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_VMINITERROR;
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}
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// Update status object
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FlightPlanStatusSet(&status);
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}
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}
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}
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/**
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* Function called in response to object updates.
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* Used to force kill the VM thread.
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*/
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static void objectUpdatedCb(UAVObjEvent * ev)
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{
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FlightPlanControlData controlData;
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FlightPlanStatusData statusData;
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// If the object updated was the FlightPlanControl execute requested action
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if ( ev->obj == FlightPlanControlHandle() )
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{
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// Get data
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FlightPlanControlGet(&controlData);
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// Execute command
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if ( controlData.Command == FLIGHTPLANCONTROL_COMMAND_START )
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{
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// Start VM task if not running already
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if ( taskHandle == NULL )
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{
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xTaskCreate(flightPlanTask, (signed char *)"FlightPlan", STACK_SIZE_BYTES/4, NULL, TASK_PRIORITY, &taskHandle);
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TaskMonitorAdd(TASKINFO_RUNNING_FLIGHTPLAN, taskHandle);
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}
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}
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else if ( controlData.Command == FLIGHTPLANCONTROL_COMMAND_KILL )
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{
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// Force kill VM task if it is already running
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// (NOTE: the STOP command is preferred as it allows the script to terminate without killing the VM)
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if ( taskHandle != NULL )
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{
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// Kill VM
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TaskMonitorRemove(TASKINFO_RUNNING_FLIGHTPLAN);
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vTaskDelete(taskHandle);
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taskHandle = NULL;
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// Update status object
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statusData.Status = FLIGHTPLANSTATUS_STATUS_STOPPED;
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statusData.ErrorFileID = 0;
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statusData.ErrorLineNum = 0;
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statusData.ErrorType = FLIGHTPLANSTATUS_ERRORTYPE_NONE;
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statusData.Debug[0] = 0.0;
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statusData.Debug[1] = 0.0;
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FlightPlanStatusSet(&statusData);
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}
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}
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}
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}
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/**
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* @}
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* @}
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*/
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