rt-thread-official/bsp/gd32vf103v-eval/board/board.c

69 lines
1.5 KiB
C

/*
* Copyright (c) 2006-2018, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2019-07-23 tyustli first version
*
*/
#include <rtthread.h>
#include <rtdevice.h>
#include "board.h"
#ifdef RT_USING_SERIAL
#include <drv_usart.h>
#endif
/* System Tick Configuration */
static void systick_config(rt_uint32_t ticks) {
/* set value */
*(rt_uint64_t *) (TMR_CTRL_ADDR + TMR_MTIMECMP) = ticks;
/* enable interrupt */
eclic_irq_enable(CLIC_INT_TMR, 0, 0);
/* clear value */
*(rt_uint64_t *) (TMR_CTRL_ADDR + TMR_MTIME) = 0;
}
/* This is the timer interrupt service routine. */
void eclic_mtip_handler(void) {
/* clear value */
*(rt_uint64_t *) (TMR_CTRL_ADDR + TMR_MTIME) = 0;
/* enter interrupt */
rt_interrupt_enter();
/* tick increase */
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
void rt_hw_board_init(void) {
systick_config(TMR_FREQ / RT_TICK_PER_SECOND);
#ifdef RT_USING_HEAP
rt_system_heap_init((void *) HEAP_BEGIN, (void *) HEAP_END);
#endif
/* USART driver initialization is open by default */
#ifdef RT_USING_SERIAL
rt_hw_usart_init();
#endif
/* Set the shell console output device */
#ifdef RT_USING_CONSOLE
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
#endif
/* Board underlying hardware initialization */
#ifdef RT_USING_COMPONENTS_INIT
rt_components_board_init();
#endif
}
/******************** end of file *******************/