/* * Copyright (c) 2006-2018, 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 #include "drv_usart.h" #endif #ifdef RT_USING_FINSH #include static void reboot(uint8_t argc, char **argv) { rt_hw_cpu_reset(); } FINSH_FUNCTION_EXPORT_ALIAS(reboot, __cmd_reboot, Reboot System); #endif /* RT_USING_FINSH */ /* SysTick configuration */ void rt_hw_systick_init(void) { #if defined (SOC_SERIES_STM32H7) HAL_SYSTICK_Config((HAL_RCCEx_GetD1SysClockFreq()) / RT_TICK_PER_SECOND); #elif defined (SOC_SERIES_STM32MP1) HAL_SYSTICK_Config(HAL_RCC_GetSystemCoreClockFreq() / RT_TICK_PER_SECOND); #else HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq() / RT_TICK_PER_SECOND); #endif #if !defined (SOC_SERIES_STM32MP1) HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK); #endif NVIC_SetPriority(SysTick_IRQn, 0xFF); } /** * This is the timer interrupt service routine. * */ void SysTick_Handler(void) { /* enter interrupt */ rt_interrupt_enter(); HAL_IncTick(); rt_tick_increase(); /* leave interrupt */ rt_interrupt_leave(); } uint32_t HAL_GetTick(void) { return rt_tick_get() * 1000 / RT_TICK_PER_SECOND; } void HAL_SuspendTick(void) { } void HAL_ResumeTick(void) { } void HAL_Delay(__IO uint32_t Delay) { rt_thread_mdelay(Delay); } /* re-implement tick interface for STM32 HAL */ HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) { /* 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 */ 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_uint32_t start, now, delta, reload, us_tick; start = SysTick->VAL; reload = SysTick->LOAD; us_tick = SystemCoreClock / 1000000UL; do { now = SysTick->VAL; delta = start > now ? start - now : reload + start - now; } while(delta < us_tick * us); } /** * This function will initial STM32 board. */ RT_WEAK void rt_hw_board_init() { #ifdef SCB_EnableICache /* Enable I-Cache---------------------------------------------------------*/ SCB_EnableICache(); #endif #ifdef SCB_EnableDCache /* Enable D-Cache---------------------------------------------------------*/ SCB_EnableDCache(); #endif /* HAL_Init() function is called at the beginning of the program */ HAL_Init(); /* enable interrupt */ __set_PRIMASK(0); /* System clock initialization */ SystemClock_Config(); /* disable interrupt */ __set_PRIMASK(1); rt_hw_systick_init(); /* 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 */ #ifdef RT_USING_CONSOLE rt_console_set_device(RT_CONSOLE_DEVICE_NAME); #endif /* Board underlying hardware initialization */ #ifdef RT_USING_COMPONENTS_INIT rt_components_board_init(); #endif }