154 lines
2.8 KiB
C
154 lines
2.8 KiB
C
/*
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* Copyright (c) 2006-2022, 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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* 2022-03-02 FMD-AE first version
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*/
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#include "board.h"
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#ifdef RT_USING_SERIAL
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#include "drv_usart.h"
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#endif /* RT_USING_SERIAL */
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#define DBG_TAG "drv_common"
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#define DBG_LVL DBG_INFO
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#include <rtdbg.h>
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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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__IO uint32_t uwTick;
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static uint32_t _systick_ms = 1;
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void IncTick(void)
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{
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uwTick += _systick_ms;
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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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if (SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk)
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IncTick();
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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 GetTick(void)
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{
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if (SysTick->CTRL & SysTick_CTRL_COUNTFLAG_Msk)
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IncTick();
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return uwTick;
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}
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void SuspendTick(void)
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{
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}
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void ResumeTick(void)
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{
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}
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void Delay(__IO uint32_t Delay)
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{
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if (rt_thread_self())
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{
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rt_thread_mdelay(Delay);
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}
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else
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{
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for (rt_uint32_t count = 0; count < Delay; count++)
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{
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rt_hw_us_delay(1000);
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}
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}
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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 ticks;
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rt_uint32_t told, tnow, tcnt = 0;
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rt_uint32_t reload = SysTick->LOAD;
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ticks = us * reload / (1000000 / RT_TICK_PER_SECOND);
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told = SysTick->VAL;
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while (1)
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{
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tnow = SysTick->VAL;
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if (tnow != told)
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{
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if (tnow < told)
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{
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tcnt += told - tnow;
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}
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else
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{
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tcnt += reload - tnow + told;
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}
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told = tnow;
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if (tcnt >= ticks)
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{
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break;
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}
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}
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}
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}
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/**
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* This function will initial FT32 board.
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*/
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RT_WEAK void rt_hw_board_init()
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{
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SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
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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 *)HEAP_END);
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#endif
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/* Pin driver initialization is open by default */
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#ifdef RT_USING_PIN
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rt_hw_pin_init();
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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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