96 lines
2.1 KiB
C
96 lines
2.1 KiB
C
/*
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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) 2009 RT-Thread Develop 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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* 2009-01-05 Bernard first implementation
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* 2013-07-12 aozima update for auto initial.
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include "nds32.h"
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#include "bsp_hal.h"
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#include "ae210p.h"
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#include "debug.h"
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//#include "uart/uart.h"
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#include "uart_dev.h"
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#include "board.h"
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#include "rtconfig.h"
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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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/* clean timer device pending*/
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hal_timer_irq_clear(1);
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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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* Set timer 1 as system tick by default
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***********************************************************/
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void BSP_Tmr_TickInit(uint32_t tmrId, uint32_t period, uint32_t vecId, void *isr)
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{
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/* set tick period */
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hal_timer_set_period(tmrId, period);
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/* enable timer1 interrupt */
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hal_timer_irq_control(tmrId, 1);
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/******************************
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* tick ISR init
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******************************/
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/* init trigger mode */
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/* Set edge trigger, falling edge */
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hal_intc_irq_config(vecId, 1, 0);
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/* clean pending */
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hal_intc_irq_clean(vecId);
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/* enable timer interrupt */
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hal_intc_irq_enable(vecId);
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if (isr)
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OS_CPU_Vector_Table[vecId] = isr;
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else
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DEBUG(1, 1, "Invalid tick handler!!\r\n");
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/* start timer */
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hal_timer_start(tmrId);
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}
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/*
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* Setup system tick for OS required.
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*/
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void bsp_init(void)
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{
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/* disable interrupt first */
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rt_hw_interrupt_disable();
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// drv_uart_init();
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rt_hw_usart_init();
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rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
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/* System tick init */
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BSP_Tmr_TickInit(0x1, (MB_PCLK / RT_TICK_PER_SECOND), IRQ_SYS_TICK_VECTOR, SysTick_Handler);
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}
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/*@}*/
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