150 lines
3.2 KiB
C
150 lines
3.2 KiB
C
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/*
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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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*/
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#include "drv_common.h"
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#include "board.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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FINSH_FUNCTION_EXPORT_ALIAS(reboot, __cmd_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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#if defined (SOC_SERIES_STM32H7)
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HAL_SYSTICK_Config((HAL_RCCEx_GetD1SysClockFreq()) / RT_TICK_PER_SECOND);
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#else
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HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq() / RT_TICK_PER_SECOND);
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#endif
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HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
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HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
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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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HAL_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 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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void HAL_SuspendTick(void)
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{
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}
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void HAL_ResumeTick(void)
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{
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}
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void HAL_Delay(__IO uint32_t Delay)
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{
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}
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/* re-implement tick interface for STM32 HAL */
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HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority)
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{
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/* Return function status */
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return HAL_OK;
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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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now = SysTick->VAL;
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delta = start > now ? start - now : reload + start - now;
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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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void hw_board_init(char *clock_src, int32_t clock_src_freq, int32_t clock_target_freq)
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{
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extern void rt_hw_systick_init(void);
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extern void clk_init(char *clk_source, int source_freq, int target_freq);
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#ifdef SCB_EnableICache
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/* Enable I-Cache---------------------------------------------------------*/
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SCB_EnableICache();
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#endif
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#ifdef SCB_EnableDCache
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/* Enable D-Cache---------------------------------------------------------*/
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SCB_EnableDCache();
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#endif
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/* HAL_Init() function is called at the beginning of the program */
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HAL_Init();
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/* enable interrupt */
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__set_PRIMASK(0);
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/* System clock initialization */
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clk_init(clock_src, clock_src_freq, clock_target_freq);
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/* disbale interrupt */
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__set_PRIMASK(1);
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rt_hw_systick_init();
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/* Pin driver initialization is open by default */
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#ifdef RT_USING_PIN
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extern int rt_hw_pin_init(void);
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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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extern int rt_hw_usart_init(void);
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rt_hw_usart_init();
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#endif
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}
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