rt-thread-official/bsp/v2m-mps2/drivers/board.c

72 lines
2.0 KiB
C

/*
* File : board.c
* This file is part of RT-Thread RTOS
* COPYRIGHT (C) 2012, RT-Thread Development Team
*
* 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 2 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2018-03-01 Tanek the first version
*/
#include <rthw.h>
#include <rtthread.h>
#include "Device.h" // Keil::Board Support:V2M-MPS2:Common
static void *rt_heap_begin_get(void)
{
extern int Image$$RTT_HEAP$$Base;
return &Image$$RTT_HEAP$$Base;
}
static void *rt_heap_end_get(void)
{
extern int Image$$RTT_HEAP$$ZI$$Limit;
return &Image$$RTT_HEAP$$ZI$$Limit;
}
/**
* This function will initial STM32 board.
*/
void rt_hw_board_init()
{
SystemCoreClockUpdate();
SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND); /* Generate interrupt each 10 ms */
/* Call components board initial (use INIT_BOARD_EXPORT()) */
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#endif
#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
#if defined(RT_USING_USER_MAIN) && defined(RT_USING_HEAP)
rt_system_heap_init(rt_heap_begin_get(), rt_heap_end_get());
#endif
}
void SysTick_Handler (void)
{
rt_interrupt_enter();
rt_tick_increase();
rt_interrupt_leave();
}