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/*
* Copyright (c) 2006-2023, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2018-11-7 SummerGift first version
*/
#include "drv_common.h"
#include "board.h"
#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 */
#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)
{
HAL_SYSTICK_Config(SystemCoreClock / RT_TICK_PER_SECOND);
NVIC_SetPriority(SysTick_IRQn, 0xFF);
_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();
if(SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk)
HAL_IncTick();
rt_tick_increase();
/* leave interrupt */
rt_interrupt_leave();
}
uint32_t HAL_GetTick(void)
{
if(SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk)
HAL_IncTick();
return uwTick;
}
void HAL_IncTick(void)
{
uwTick += _systick_ms;
}
void HAL_SuspendTick(void)
{
}
void HAL_ResumeTick(void)
{
}
void HAL_Delay(__IO uint32_t Delay)
{
if (rt_thread_self())
{
rt_thread_mdelay(Delay);
}
else
{
for (rt_uint32_t count = 0; count < Delay; count++)
{
rt_hw_us_delay(1000);
}
}
}
/* re-implement tick interface for STM32 HAL */
HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
{
rt_hw_systick_init();
/* Return function status */
return HAL_OK;
}
/**
* @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 */
LOG_E("Error_Handler at file:%s num:%d", s, num);
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_uint64_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 STM32 board.
*/
rt_weak void rt_hw_board_init(void)
{
#ifdef BSP_SCB_ENABLE_I_CACHE
/* Enable I-Cache---------------------------------------------------------*/
SCB_EnableICache();
#endif
#ifdef BSP_SCB_ENABLE_D_CACHE
/* Enable D-Cache---------------------------------------------------------*/
SCB_EnableDCache();
#endif
/* HAL_Init() function is called at the beginning of the program */
HAL_Init();
/* System clock initialization */
SystemClock_Config();
/* 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
}
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