150 lines
3.1 KiB
C
150 lines
3.1 KiB
C
/*
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2022-03-08 shelton first version
|
|
*/
|
|
|
|
#include "board.h"
|
|
#include "drv_common.h"
|
|
|
|
#ifdef RT_USING_SERIAL
|
|
#include "drv_usart.h"
|
|
#endif
|
|
|
|
#define DBG_TAG "drv_common"
|
|
#define DBG_LVL DBG_INFO
|
|
#include <rtdbg.h>
|
|
|
|
#ifdef RT_USING_FINSH
|
|
#include <finsh.h>
|
|
static void reboot(uint8_t argc, char **argv)
|
|
{
|
|
rt_hw_cpu_reset();
|
|
}
|
|
MSH_CMD_EXPORT(reboot, Reboot System);
|
|
#endif /* RT_USING_FINSH */
|
|
|
|
extern __IO uint32_t uwTick;
|
|
static uint32_t _systick_ms = 1;
|
|
|
|
/* systick configuration */
|
|
void rt_hw_systick_init(void)
|
|
{
|
|
systick_clock_source_config(SYSTICK_CLOCK_SOURCE_AHBCLK_NODIV);
|
|
SysTick_Config(system_core_clock / RT_TICK_PER_SECOND);
|
|
|
|
nvic_irq_enable(SysTick_IRQn, 0, 0);
|
|
|
|
_systick_ms = 1000u / RT_TICK_PER_SECOND;
|
|
if(_systick_ms == 0)
|
|
_systick_ms = 1;
|
|
}
|
|
|
|
/**
|
|
* this is the timer interrupt service routine.
|
|
*/
|
|
void SysTick_Handler(void)
|
|
{
|
|
/* enter interrupt */
|
|
rt_interrupt_enter();
|
|
|
|
rt_tick_increase();
|
|
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
}
|
|
|
|
/**
|
|
* @brief this function is executed in case of error occurrence.
|
|
* @param none
|
|
* @retval none
|
|
*/
|
|
void _Error_Handler(char *s, int num)
|
|
{
|
|
/* User can add his own implementation to report the HAL error return state */
|
|
LOG_E("Error_Handler at file:%s num:%d", s, num);
|
|
while (1)
|
|
{
|
|
}
|
|
}
|
|
|
|
/**
|
|
* this function will delay for some us.
|
|
*
|
|
* @param us the delay time of us
|
|
*/
|
|
void rt_hw_us_delay(rt_uint32_t us)
|
|
{
|
|
rt_uint32_t ticks;
|
|
rt_uint32_t told, tnow, tcnt = 0;
|
|
rt_uint32_t reload = SysTick->LOAD;
|
|
|
|
ticks = us * reload / (1000000 / RT_TICK_PER_SECOND);
|
|
told = SysTick->VAL;
|
|
while (1)
|
|
{
|
|
tnow = SysTick->VAL;
|
|
if (tnow != told)
|
|
{
|
|
if (tnow < told)
|
|
{
|
|
tcnt += told - tnow;
|
|
}
|
|
else
|
|
{
|
|
tcnt += reload - tnow + told;
|
|
}
|
|
told = tnow;
|
|
if (tcnt >= ticks)
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* this function will initial at32 board.
|
|
*/
|
|
RT_WEAK void rt_hw_board_init()
|
|
{
|
|
/* system clock initialization */
|
|
system_clock_config();
|
|
|
|
/* configure nvic priority group */
|
|
nvic_priority_group_config(NVIC_PRIORITY_GROUP_4);
|
|
|
|
/* systick init */
|
|
rt_hw_systick_init();
|
|
|
|
/* heap initialization */
|
|
#if defined(RT_USING_HEAP)
|
|
rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
|
|
#endif
|
|
|
|
/* pin driver initialization is open by default */
|
|
#ifdef RT_USING_PIN
|
|
rt_hw_pin_init();
|
|
#endif
|
|
|
|
/* 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
|
|
}
|
|
|