151 lines
3.6 KiB
C
151 lines
3.6 KiB
C
/*
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* Copyright (C) 2022 Shanghai Eastsoft Microelectronics Co., Ltd.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the License); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an AS IS BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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* Change Logs:
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* Date Author Notes
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* 2022-02-10 Lisq the first version
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*/
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#include "board.h"
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/**
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* @addtogroup es32
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*/
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/*@{*/
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/*******************************************************************************
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* Function Name : SystemClock_Configuration
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* Description : Configures the System Clock.
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* Input : None
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* Output : None
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* Return : None
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*******************************************************************************/
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void SystemClock_Config(void)
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{
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/* Configure system clock */
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ald_cmu_pll_config(ALD_CMU_PLL_INPUT_HOSC8M, ALD_CMU_PLL_OUTPUT_72M);
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ald_cmu_clock_config(ALD_CMU_CLOCK_PLL, 72000000);
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/* Enable all peripherals */
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ald_cmu_perh_clock_config(ALD_CMU_PERH_ALL, ENABLE);
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__enable_irq();
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}
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/*******************************************************************************
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* Function Name : SysTick_Configuration
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* Description : Configures the SysTick for OS tick.
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* Input : None
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* Output : None
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* Return : None
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*******************************************************************************/
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void SysTick_Configuration(void)
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{
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ald_cmu_init();
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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 __attribute__((interrupt)) CLINT_Handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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csi_coret_clr(ald_cmu_get_clock() / RT_TICK_PER_SECOND, CLINT_IRQn);
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ald_inc_tick();
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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 __attribute__((interrupt)) DMA_Handler(void)
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{
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/* enter interrupt */
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rt_interrupt_enter();
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ald_dma_irq_handler();
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/* leave interrupt */
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rt_interrupt_leave();
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}
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/*@}*/
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/**
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* This function will initial ES32F0 board.
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*/
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void rt_hw_board_init(void)
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{
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csi_vic_set_prio(MACHINE_MODE_SOFT_IRQn, 0);
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csi_vic_enable_sirq(MACHINE_MODE_SOFT_IRQn);
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CLIC->CLICINT[MACHINE_MODE_SOFT_IRQn].ATTR |= (3);
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csi_vic_set_prio(DMA_IRQn, 4);
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csi_vic_enable_sirq(DMA_IRQn);
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csi_cpu_sleep_wfi(MEXSTATUS_SLEEP_DEEP);
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/*System Clock Configuration */
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SystemClock_Config();
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/* Configure the SysTick */
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SysTick_Configuration();
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#ifdef 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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#ifdef RT_USING_COMPONENTS_INIT
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rt_components_board_init();
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#endif
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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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}
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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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unsigned int start, now, delta, reload, us_tick;
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start = CORET->MTIME;
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reload = CORET->MTIMECMP;
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us_tick = ald_cmu_get_clock() / 1000000UL;
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do
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{
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now = CORET->MTIME;
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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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void rt_trigger_software_interrupt(void)
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{
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*((uint8_t*)0xE080100C) = 0x1;
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}
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void rt_hw_do_after_save_above(void)
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{
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}
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