168 lines
3.6 KiB
C
168 lines
3.6 KiB
C
/*
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* Copyright (c) 2020-2022, CQ 100ask Development Team
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*
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* Change Logs:
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* Date Author Notes
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* 2022-05-29 Alen first version
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*/
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#include "drv_common.h"
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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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volatile uint32_t uwTick;
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static uint32_t _systick_ms = 1;
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void HAL_IncTick(void);
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/* SysTick configuration */
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void rt_hw_systick_init(void)
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{
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uint32_t prioritygroup = 0x00U;
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uint32_t SystemCoreClock = HAL_GetSysClockFreq();
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/* Configure the SysTick to have interrupt in 1ms time basis*/
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if(SysTick_Config(SystemCoreClock/1000) > 0)
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{
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return;
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}
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/* Configure the SysTick IRQ priority */
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prioritygroup = NVIC_GetPriorityGrouping();
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NVIC_SetPriority(SysTick_IRQn, NVIC_EncodePriority(prioritygroup, 15, 0));
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_systick_ms = 1000u / RT_TICK_PER_SECOND;
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if(_systick_ms == 0)
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_systick_ms = 1;
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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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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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void HAL_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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* @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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LOG_E("Error_Handler at file:%s num:%d", s, num);
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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 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 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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#ifdef BSP_SCB_ENABLE_I_CACHE
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/* Enable I-Cache---------------------------------------------------------*/
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SCB_EnableICache();
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#endif
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#ifdef BSP_SCB_ENABLE_D_CACHE
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/* Enable D-Cache---------------------------------------------------------*/
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SCB_EnableDCache();
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#endif
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/* System clock initialization */
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SystemClock_Config();
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rt_hw_systick_init();
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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_uart_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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