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/*
* Copyright (c) 2006-2022, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-11-7 SummerGift first version
* 2021-08-27 Jiao change to fm33
*/
#include "drv_common.h"
#include "system_fm33lc0xx.h"
#ifdef RT_USING_SERIAL
#include "drv_usart.h"
#endif
#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 */
/* SysTick configuration */
void rt_hw_systick_init(void)
{
SystemCoreClockUpdate();
SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
NVIC_SetPriority(SysTick_IRQn, 0xFF);
}
/**
* This is the timer interrupt service routine.
*
*/
void SysTick_Handler(void)
{
/* enter interrupt */
rt_interrupt_enter();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
uint32_t HAL_GetTick(void)
{
return rt_tick_get() * 1000 / RT_TICK_PER_SECOND;
}
/**
* @brief This function is executed in case of error occurrence.
* @param None
* @retval None
*/
void _Error_Handler(char *s, int num)
{
/* USER CODE BEGIN Error_Handler */
/* User can add his own implementation to report the HAL error return state */
while (1)
{
}
/* USER CODE END Error_Handler */
}
/**
* 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 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);
}
/**
* This function will initial STM32 board.
*/
rt_weak void rt_hw_board_init()
{
void SelRCHFToPLL(uint32_t rchf, uint32_t clock);
SelRCHFToPLL(RCHF8M_TRIM, 63);
rt_hw_systick_init();
extern int Image$$RW_IRAM1$$ZI$$Limit;
#define HEAP_BEGIN ((void *)&Image$$RW_IRAM1$$ZI$$Limit)
/* Heap initialization */
#if defined(RT_USING_HEAP)
rt_system_heap_init((void *)HEAP_BEGIN, (void *)(0x20000000 + 0x6000));
#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
}
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