/** ****************************************************************************** * @addtogroup OpenPilotSystem OpenPilot System * @brief These files are the core system files of OpenPilot. * They are the ground layer just above PiOS. In practice, OpenPilot actually starts * in the main() function of openpilot.c * @{ * @addtogroup OpenPilotCore OpenPilot Core * @brief This is where the OP firmware starts. Those files also define the compile-time * options of the firmware. * @{ * @file openpilot.c * @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010. * @brief Sets up and runs main OpenPilot tasks. * @see The GNU Public License (GPL) Version 3 * *****************************************************************************/ /* * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * 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. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ /* OpenPilot Includes */ #include "openpilot.h" #include "uavobjectsinit.h" #include "hwsettings.h" #include "systemmod.h" /* Task Priorities */ #define PRIORITY_TASK_HOOKS (tskIDLE_PRIORITY + 3) /* Global Variables */ /* Prototype of PIOS_Board_Init() function */ extern void PIOS_Board_Init(void); extern void Stack_Change(void); /** * OpenPilot Main function: * * Initialize PiOS
* Create the "System" task (SystemModInitializein Modules/System/systemmod.c)
* Start FreeRTOS Scheduler (vTaskStartScheduler) (Now handled by caller) * If something goes wrong, blink LED1 and LED2 every 100ms * */ int main() { /* NOTE: Do NOT modify the following start-up sequence */ /* Any new initialization functions should be added in OpenPilotInit() */ /* Brings up System using CMSIS functions, enables the LEDs. */ PIOS_SYS_Init(); /* Architecture dependant Hardware and * core subsystem initialisation * (see pios_board.c for your arch) * */ PIOS_Board_Init(); /* Initialize modules */ MODULE_INITIALISE_ALL /* swap the stack to use the IRQ stack */ Stack_Change(); /* Start the FreeRTOS scheduler which should never returns.*/ vTaskStartScheduler(); /* If all is well we will never reach here as the scheduler will now be running. */ /* Do some indication to user that something bad just happened */ while (1) { #if defined(PIOS_LED_HEARTBEAT) PIOS_LED_Toggle(PIOS_LED_HEARTBEAT); #endif /* PIOS_LED_HEARTBEAT */ PIOS_DELAY_WaitmS(100); } return 0; } /** * @} * @} */