109 lines
2.2 KiB
C
109 lines
2.2 KiB
C
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/**************************************************************************//**
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*
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* @copyright (C) 2019 Nuvoton Technology Corp. All rights reserved.
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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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* 2020-1-16 Wayne First version
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*
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******************************************************************************/
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#include <rtconfig.h>
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#include <rtthread.h>
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#include <NuMicro.h>
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#include <nu_bitutil.h>
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#include "drv_uart.h"
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#include "board.h"
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#include "nutool_pincfg.h"
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#include "nutool_modclkcfg.h"
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/**
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* This function will initial M487 board.
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*/
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void rt_hw_board_init(void)
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{
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/* Init System/modules clock */
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nutool_modclkcfg_init();
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/* Unlock protected registers */
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SYS_UnlockReg();
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/* Init all pin function setting */
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nutool_pincfg_init();
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/* Configure SysTick */
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SysTick_Config(SystemCoreClock / RT_TICK_PER_SECOND);
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/* Update System Core Clock */
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/* User can use SystemCoreClockUpdate() to calculate SystemCoreClock. */
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SystemCoreClockUpdate();
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#if defined(BSP_USING_EADC)
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/* Vref connect to internal */
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SYS->VREFCTL = (SYS->VREFCTL & ~SYS_VREFCTL_VREFCTL_Msk) | SYS_VREFCTL_VREF_3_0V;
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#endif
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/* Lock protected registers */
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SYS_LockReg();
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#ifdef RT_USING_HEAP
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rt_system_heap_init(HEAP_BEGIN, HEAP_END);
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#endif /* RT_USING_HEAP */
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#if defined(BSP_USING_UART)
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rt_hw_uart_init();
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#endif
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#ifdef RT_USING_CONSOLE
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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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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}
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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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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 rt_hw_cpu_reset(void)
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{
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SYS_UnlockReg();
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SYS->IPRST0 |= SYS_IPRST0_CHIPRST_Msk;
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}
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#ifdef RT_USING_CPU_FFS
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int __rt_ffs(int value)
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{
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if (!value) return 0;
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return __CLZ(__RBIT(value)) + 1;
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}
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#endif
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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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