123 lines
2.6 KiB
C
123 lines
2.6 KiB
C
/*
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* Copyright (c) 2006-2018, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2018-11-7 SummerGift first version
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* 2021-08-27 Jiao change to fm33
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*/
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#include "drv_common.h"
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#include "system_fm33lc0xx.h"
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#ifdef RT_USING_SERIAL
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#include "drv_usart.h"
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#endif
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#ifdef RT_USING_FINSH
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#include <finsh.h>
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static void reboot(uint8_t argc, char **argv)
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{
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rt_hw_cpu_reset();
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}
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MSH_CMD_EXPORT(reboot, reboot system);
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#endif /* RT_USING_FINSH */
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/* SysTick configuration */
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void rt_hw_systick_init(void)
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{
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SystemCoreClockUpdate();
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SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
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NVIC_SetPriority(SysTick_IRQn, 0xFF);
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}
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/**
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* This is the timer interrupt service routine.
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*
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*/
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void SysTick_Handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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rt_tick_increase();
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/* leave interrupt */
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rt_interrupt_leave();
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}
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uint32_t HAL_GetTick(void)
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{
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return rt_tick_get() * 1000 / RT_TICK_PER_SECOND;
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}
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/**
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* @brief This function is executed in case of error occurrence.
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* @param None
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* @retval None
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*/
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void _Error_Handler(char *s, int num)
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{
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/* USER CODE BEGIN Error_Handler */
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/* User can add his own implementation to report the HAL error return state */
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while (1)
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{
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}
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/* USER CODE END Error_Handler */
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}
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/**
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* This function will delay for some us.
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*
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* @param us the delay time of us
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*/
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void rt_hw_us_delay(rt_uint32_t us)
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{
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rt_uint32_t start, now, delta, reload, us_tick;
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start = SysTick->VAL;
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reload = SysTick->LOAD;
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us_tick = SystemCoreClock / 1000000UL;
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do
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{
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now = SysTick->VAL;
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delta = start > now ? start - now : reload + start - now;
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}
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while (delta < us_tick * us);
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}
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/**
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* This function will initial STM32 board.
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*/
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RT_WEAK void rt_hw_board_init()
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{
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void SelRCHFToPLL(uint32_t rchf, uint32_t clock);
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SelRCHFToPLL(RCHF8M_TRIM, 63);
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rt_hw_systick_init();
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extern int Image$$RW_IRAM1$$ZI$$Limit;
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#define HEAP_BEGIN ((void *)&Image$$RW_IRAM1$$ZI$$Limit)
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/* Heap initialization */
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#if defined(RT_USING_HEAP)
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rt_system_heap_init((void *)HEAP_BEGIN, (void *)(0x20000000 + 0x6000));
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#endif
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/* USART driver initialization is open by default */
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#ifdef RT_USING_SERIAL
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rt_hw_usart_init();
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#endif
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/* Set the shell console output device */
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#if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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#endif
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/* Board underlying hardware initialization */
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#ifdef RT_USING_COMPONENTS_INIT
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rt_components_board_init();
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#endif
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}
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