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/*
* Copyright (C) 2022-2024, Xiaohua Semiconductor Co., Ltd.
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-12-16 CDT first version
*/
#include "board.h"
#define DBG_TAG "drv_common"
#define DBG_LVL DBG_INFO
#include <rtdbg.h>
#ifdef RT_USING_PIN
#include <drv_gpio.h>
#endif
#ifdef RT_USING_SERIAL
#ifdef RT_USING_SERIAL_V2
#include <drv_usart_v2.h>
#else
#include <drv_usart.h>
#endif /* RT_USING_SERIAL */
#endif /* RT_USING_SERIAL_V2 */
#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 */
/**
* This function is executed in case of error occurrence.
*/
void _Error_Handler(char *s, int num)
{
LOG_E("Error_Handler at file:%s num:%d", s, num);
while (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();
}
/**
* Configures the SysTick for OS tick.
*/
void SysTick_Configuration(void)
{
rt_uint32_t cnts;
stc_clock_freq_t stcClkFreq;
CLK_GetClockFreq(&stcClkFreq);
cnts = (rt_uint32_t)stcClkFreq.u32HclkFreq / RT_TICK_PER_SECOND;
SysTick_Config(cnts);
}
/**
* This function will initial HC32 board.
*/
void rt_hw_board_init()
{
PeripheralRegister_Unlock();
SystemBase_Config();
SystemClock_Config();
PeripheralClock_Config();
/* Configure the SysTick */
SysTick_Configuration();
/* Heap initialization */
#if defined(RT_USING_HEAP)
rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
#endif
#ifdef RT_USING_PIN
rt_hw_pin_init();
#endif
#ifdef RT_USING_SERIAL
rt_hw_usart_init();
#endif
#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
}
void rt_hw_us_delay(rt_uint32_t us)
{
uint32_t start, now, delta, reload, us_tick;
start = SysTick->VAL;
reload = SysTick->LOAD;
us_tick = SystemCoreClock / 1000000UL;
do
{
now = SysTick->VAL;
delta = start > now ? start - now : reload + start - now;
} while (delta < us_tick * us);
}
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