92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
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/*
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* File : board.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006-2017, RT-Thread Development Team
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rt-thread.org/license/LICENSE
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*
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* Change Logs:
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* Date Author Notes
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* 2017-09-19 Quintin.Z the first version
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include "sysinit.h"
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#include "board.h"
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#include "drv_uart.h"
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#include "nv32.h"
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/* RT_USING_COMPONENTS_INIT */
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#ifdef RT_USING_COMPONENTS_INIT
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#include <components.h>
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#endif
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#define portNVIC_SYSTICK_CTRL ( ( volatile uint32_t *) 0xe000e010 )
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#define portNVIC_SYSTICK_LOAD ( ( volatile uint32_t *) 0xe000e014 )
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#define portNVIC_INT_CTRL ( ( volatile uint32_t *) 0xe000ed04 )
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#define portNVIC_SYSPRI2 ( ( volatile uint32_t *) 0xe000ed20 )
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#define portNVIC_SYSTICK_CLK 0x00000004
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#define portNVIC_SYSTICK_INT 0x00000002
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#define portNVIC_SYSTICK_ENABLE 0x00000001
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#define portNVIC_PENDSVSET 0x10000000
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#define portMIN_INTERRUPT_PRIORITY ( 255UL )
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#define portNVIC_PENDSV_PRI ( portMIN_INTERRUPT_PRIORITY << 16UL )
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#define portNVIC_SYSTICK_PRI ( portMIN_INTERRUPT_PRIORITY << 24UL )
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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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/**
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* This function will initial STM32 board.
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*/
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void rt_hw_board_init()
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{
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/* Configure the SysTick */
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*(portNVIC_SYSTICK_LOAD) = ( 40000000 / RT_TICK_PER_SECOND ) - 1UL;
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*(portNVIC_SYSTICK_CTRL) = portNVIC_SYSTICK_CLK | portNVIC_SYSTICK_INT | portNVIC_SYSTICK_ENABLE;
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rt_hw_uart_init();
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/* Call components board initial (use INIT_BOARD_EXPORT()) */
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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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#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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}
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long cmd_reset(int argc, char** argv)
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{
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NVIC_SystemReset();
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return 0;
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}
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FINSH_FUNCTION_EXPORT_ALIAS(cmd_reset, __cmd_reset, Reset Board.);
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/*@}*/
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