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LibrePilot/flight/targets/boards/discoveryf4bare/firmware/discoveryf4bare.cpp

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/**
******************************************************************************
* @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
*/
extern "C" {
#include "inc/openpilot.h"
#include <uavobjectsinit.h>
/* Task Priorities */
#define PRIORITY_TASK_HOOKS (tskIDLE_PRIORITY + 3)
/* Global Variables */
/* Local Variables */
#define INCLUDE_TEST_TASKS 0
#if INCLUDE_TEST_TASKS
static uint8_t sdcard_available;
#endif
char Buffer[1024];
uint32_t Cache;
/* Function Prototypes */
#if INCLUDE_TEST_TASKS
static void TaskTick(void *pvParameters);
static void TaskTesting(void *pvParameters);
static void TaskHIDTest(void *pvParameters);
static void TaskServos(void *pvParameters);
static void TaskSDCard(void *pvParameters);
#endif
int32_t CONSOLE_Parse(uint8_t port, char c);
void OP_ADC_NotifyChange(uint32_t pin, uint32_t pin_value);
/* Prototype of PIOS_Board_Init() function */
extern void PIOS_Board_Init(void);
extern void Stack_Change(void);
static void Stack_Change_Weak() __attribute__((weakref("Stack_Change")));
/* Local Variables */
#define INIT_TASK_PRIORITY (tskIDLE_PRIORITY + configMAX_PRIORITIES - 1) // max priority
#define INIT_TASK_STACK (1024 / 4) // XXX this seems excessive
static xTaskHandle initTaskHandle;
/* Function Prototypes */
static void initTask(void *parameters);
/* Prototype of generated InitModules() function */
extern void InitModules(void);
}
/**
* OpenPilot Main function:
*
* Initialize PiOS<BR>
* Create the "System" task (SystemModInitializein Modules/System/systemmod.c) <BR>
* Start FreeRTOS Scheduler (vTaskStartScheduler)<BR>
* If something goes wrong, blink LED1 and LED2 every 100ms
*
*/
int main()
{
int result;
/* NOTE: Do NOT modify the following start-up sequence */
/* Any new initialization functions should be added in OpenPilotInit() */
vPortInitialiseBlocks();
/* Brings up System using CMSIS functions, enables the LEDs. */
PIOS_SYS_Init();
/* For Revolution we use a FreeRTOS task to bring up the system so we can */
/* always rely on FreeRTOS primitive */
result = xTaskCreate(initTask, "init",
INIT_TASK_STACK, NULL, INIT_TASK_PRIORITY,
&initTaskHandle);
PIOS_Assert(result == pdPASS);
/* Start the FreeRTOS scheduler */
vTaskStartScheduler();
/* If all is well we will never reach here as the scheduler will now be running. */
/* Do some PIOS_LED_HEARTBEAT to user that something bad just happened */
PIOS_LED_Off(PIOS_LED_HEARTBEAT); \
for (;;) { \
PIOS_LED_Toggle(PIOS_LED_HEARTBEAT); \
PIOS_DELAY_WaitmS(100); \
}
;
return 0;
}
/**
* Initialisation task.
*
* Runs board and module initialisation, then terminates.
*/
void initTask(__attribute__((unused)) void *parameters)
{
/* board driver init */
PIOS_Board_Init();
/* Initialize modules */
MODULE_INITIALISE_ALL;
/* terminate this task */
vTaskDelete(NULL);
}
/**
* @}
* @}
*/