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/*
* Copyright (c) 2006-2025, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2022-06-04 BruceOu first implementation
*/
#include <stddef.h>
#include <rtthread.h>
#include <rtdevice.h>
#include "board.h"
#ifdef RT_USING_SERIAL
#include <drv_usart.h>
#endif
/* System Tick Configuration */
void systick_config(void)
{
SysTimer_SetControlValue(SysTimer_MTIMECTL_CMPCLREN_Msk);
SysTimer_SetCompareValue(((uint32_t) SystemCoreClock / 4) / RT_TICK_PER_SECOND);
__ECLIC_SetTrigIRQ(CLIC_INT_TMR, ECLIC_POSTIVE_EDGE_TRIGGER);
eclic_irq_enable(CLIC_INT_TMR, 0, 0);
}
void rt_hw_board_init(void)
{
extern void _init(void);
_init();
systick_config();
/* USART driver initialization is open by default */
#ifdef RT_USING_SERIAL
rt_hw_usart_init();
#endif
/* Set the shell console output device */
#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
/* Board underlying hardware initialization */
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#endif
#ifdef RT_USING_HEAP
rt_system_heap_init((void *) HEAP_BEGIN, (void *) HEAP_END);
#endif
}
void eclic_mtip_handler(void)
{
/* clear value */
ECLIC_ClearPendingIRQ(CLIC_INT_TMR);
SysTimer_SetLoadValue(0);
/* enter interrupt */
rt_interrupt_enter();
/* tick increase */
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
/******************** end of file *******************/
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