You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
1.7 KiB
74 lines
1.7 KiB
/*
|
|
* Copyright (c) 2006-2022, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2022-08-23 liYony first version
|
|
*/
|
|
|
|
#include "board.h"
|
|
#include <stdint.h>
|
|
#include "drv_usart.h"
|
|
#include <rthw.h>
|
|
#include <rtthread.h>
|
|
|
|
extern uint32_t SystemCoreClock;
|
|
|
|
static uint32_t _SysTick_Config(rt_uint32_t ticks)
|
|
{
|
|
NVIC_SetPriority(SysTicK_IRQn, 0xf0);
|
|
NVIC_SetPriority(Software_IRQn, 0xf0);
|
|
NVIC_EnableIRQ(SysTicK_IRQn);
|
|
NVIC_EnableIRQ(Software_IRQn);
|
|
SysTick->CTLR = 0;
|
|
SysTick->SR = 0;
|
|
SysTick->CNT = 0;
|
|
SysTick->CMP = ticks - 1;
|
|
SysTick->CTLR = 0xF;
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
* This function will initial your board.
|
|
*/
|
|
void rt_hw_board_init()
|
|
{
|
|
/* System Tick Configuration */
|
|
_SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
|
|
|
|
#if defined(RT_USING_USER_MAIN) && defined(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
|
|
#ifdef RT_USING_CONSOLE
|
|
rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
|
|
#endif
|
|
#ifdef RT_USING_PIN
|
|
/* pin must initialized before i2c */
|
|
rt_hw_pin_init();
|
|
#endif
|
|
/* Call components board initial (use INIT_BOARD_EXPORT()) */
|
|
#ifdef RT_USING_COMPONENTS_INIT
|
|
rt_components_board_init();
|
|
#endif
|
|
}
|
|
|
|
void SysTick_Handler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
|
void SysTick_Handler(void)
|
|
{
|
|
GET_INT_SP();
|
|
/* enter interrupt */
|
|
rt_interrupt_enter();
|
|
SysTick->SR = 0;
|
|
rt_tick_increase();
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
FREE_INT_SP();
|
|
|
|
}
|
|
|