add Nios II app
git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1307 bbd45198-f89e-11dd-88c7-29a3b14d5316
This commit is contained in:
wuyangyong
parent
7bc4fe3b74
commit
fb9a0952c8
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/*
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* File : application.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006-2011, 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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* 2011-02-14 aozima first implementation for Nios II.
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* 2011-03-04 aozima add led.
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*/
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#include <rtthread.h>
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#include "board.h"
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/**
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* @addtogroup NIOS_II
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*/
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/*@{*/
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#include "system.h"
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#include "altera_avalon_pio_regs.h"
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// trun on led n
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#define rt_hw_led_on(n) IOWR_ALTERA_AVALON_PIO_DATA(\
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LED_BASE,\
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IORD_ALTERA_AVALON_PIO_DATA(LED_BASE) | 1<<n)
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// trun off led n
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#define rt_hw_led_off(n) IOWR_ALTERA_AVALON_PIO_DATA(\
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LED_BASE,\
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IORD_ALTERA_AVALON_PIO_DATA(LED_BASE) & ~(1<<n) )
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ALIGN(RT_ALIGN_SIZE)
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static char thread_led1_stack[1024];
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struct rt_thread thread_led1;
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static void rt_thread_entry_led1(void* parameter)
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{
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unsigned int count=0;
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while (1)
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{
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/* led1 on */
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#ifndef RT_USING_FINSH
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rt_kprintf("led1 on,count : %d\r\n",count);
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#endif
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count++;
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rt_hw_led_on(1);
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/* sleep 0.5 second and switch to other thread */
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rt_thread_delay(RT_TICK_PER_SECOND/2);
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/* led1 off */
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#ifndef RT_USING_FINSH
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rt_kprintf("led1 off\r\n");
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#endif
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rt_hw_led_off(1);
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rt_thread_delay(RT_TICK_PER_SECOND/2);
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}
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}
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ALIGN(RT_ALIGN_SIZE)
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static char thread_led2_stack[1024];
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struct rt_thread thread_led2;
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void rt_thread_entry_led2(void* parameter)
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{
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unsigned int count=0;
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while (1)
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{
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/* led2 on */
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#ifndef RT_USING_FINSH
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rt_kprintf("led2 on,count : %d\r\n",count);
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#endif
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count++;
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rt_hw_led_on(2);
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rt_thread_delay(RT_TICK_PER_SECOND);
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/* led2 off */
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#ifndef RT_USING_FINSH
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rt_kprintf("led2 off\r\n");
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#endif
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rt_hw_led_off(2);
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rt_thread_delay(RT_TICK_PER_SECOND);
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}
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}
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int rt_application_init()
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{
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// led_init();
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//------- init led1 thread
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rt_thread_init(&thread_led1,
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"led1",
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rt_thread_entry_led1,
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RT_NULL,
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&thread_led1_stack[0],
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sizeof(thread_led1_stack),11,5);
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rt_thread_startup(&thread_led1);
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//------- init led2 thread
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rt_thread_init(&thread_led2,
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"led2",
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rt_thread_entry_led2,
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RT_NULL,
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&thread_led2_stack[0],
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sizeof(thread_led2_stack),12,5);
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rt_thread_startup(&thread_led2);
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return 0;
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}
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/*@}*/
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@ -0,0 +1,87 @@
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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) 2006-2011, 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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* 2011-02-14 aozima first implementation for Nios II.
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*/
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#include <rthw.h>
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#include <rtthread.h>
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#include <stdio.h>
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#include "system.h"
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#include "sys/alt_irq.h"
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#include "altera_avalon_timer_regs.h"
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#include "uart.h"
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extern int alt_irq_register (alt_u32 id,
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void* context,
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void (*alt_isr_func)(void* isr_context, alt_u32 id) );
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/**
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* @addtogroup NIOS_II
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*/
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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 rt_hw_timer_handler(void * context,unsigned long id)
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{
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void* base = (void*)TIMER_BASE;
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/* clear the interrupt */
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IOWR_ALTERA_AVALON_TIMER_STATUS (base, 0);
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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 sysTick_config(void)
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{
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void* base = (void*)TIMER_BASE;
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IOWR_ALTERA_AVALON_TIMER_CONTROL (base,
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ALTERA_AVALON_TIMER_CONTROL_ITO_MSK |
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ALTERA_AVALON_TIMER_CONTROL_CONT_MSK |
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ALTERA_AVALON_TIMER_CONTROL_START_MSK);
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alt_irq_register (TIMER_IRQ, NULL, rt_hw_timer_handler);
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}
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static void rt_hw_show_info(void)
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{
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rt_kprintf("\r\n\r\n---------- board info ----------\r\n");
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rt_kprintf("ALT_DEVICE_FAMILY: %s\r\n",ALT_DEVICE_FAMILY);
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rt_kprintf("ALT_CPU_ARCHITECTURE: %s\r\n",ALT_CPU_ARCHITECTURE);
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rt_kprintf("ALT_CPU_CPU_FREQ: %u\r\n",ALT_CPU_CPU_FREQ);
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rt_kprintf("memory size: at 0x%08X 0x%08X byte\r\n",SDRAM_BASE,SDRAM_SPAN);
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}
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void rt_hw_board_init(void)
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{
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rt_hw_uart_init();
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rt_console_set_device("uart");
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rt_hw_show_info();
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sysTick_config();
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}
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/*@}*/
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@ -0,0 +1,22 @@
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/*
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* File : board.h
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006-2011, 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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* 2011-02-14 aozima first implementation for Nios II.
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*/
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#ifndef BOARD_H_INCLUDED
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#define BOARD_H_INCLUDED
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#include <rthw.h>
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extern void rt_hw_board_init(void);
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#endif // BOARD_H_INCLUDED
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@ -0,0 +1,39 @@
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1. 按常规方法建立一个空白Nios II工程.
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2. 添加本目录的所有源程序和头文件,并添加RT-Thread内核及Nios II CPU所需要的文件.
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─rt-thread
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│
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├─include
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│ rtdef.h
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│ rthw.h
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│ rtm.h
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│ rtthread.h
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│
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├─libcpu
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│ └─nios
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│ └─nios_ii
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│ context_gcc.S
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│ interrupt.c
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│ stack.c
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│ vector.S
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│
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└─src
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clock.c
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device.c
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idle.c
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ipc.c
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irq.c
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kservice.c
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kservice.h
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mem.c
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mempool.c
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module.c
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module.h
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object.c
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rtm.c
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scheduler.c
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SConscript
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slab.c
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thread.c
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timer.c
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3. 添加头文件搜索路径
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4. 根据需要修改rtconfig.h (默认为基本内核)
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@ -0,0 +1,2 @@
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see readme_cn.txt
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^_^
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/* RT-Thread config file */
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#ifndef __RTTHREAD_CFG_H__
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#define __RTTHREAD_CFG_H__
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/* RT_NAME_MAX*/
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#define RT_NAME_MAX 8
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/* RT_ALIGN_SIZE*/
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#define RT_ALIGN_SIZE 4
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/* PRIORITY_MAX */
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#define RT_THREAD_PRIORITY_MAX 32
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/* Tick per Second */
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/* TIMER_TICKS_PER_SEC define in system.h */
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#define RT_TICK_PER_SECOND 1000 //TIMER_TICKS_PER_SEC
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/* SECTION: RT_DEBUG */
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/* Thread Debug */
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#define RT_DEBUG
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//#define THREAD_DEBUG
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//#define SCHEDULER_DEBUG
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//#define IRQ_DEBUG
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#define IDLE_THREAD_STACK_SIZE 1024
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#define RT_USING_OVERFLOW_CHECK
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/* Using Hook */
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#define RT_USING_HOOK
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/* Using Software Timer */
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/* #define RT_USING_TIMER_SOFT */
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#define RT_TIMER_THREAD_PRIO 4
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#define RT_TIMER_THREAD_STACK_SIZE 512
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#define RT_TIMER_TICK_PER_SECOND 10
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/* SECTION: IPC */
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/* Using Semaphore*/
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#define RT_USING_SEMAPHORE
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/* Using Mutex */
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#define RT_USING_MUTEX
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/* Using Event */
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#define RT_USING_EVENT
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/* Using MailBox */
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#define RT_USING_MAILBOX
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/* Using Message Queue */
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#define RT_USING_MESSAGEQUEUE
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/* SECTION: Memory Management */
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/* Using Memory Pool Management*/
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#define RT_USING_MEMPOOL
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/* Using Dynamic Heap Management */
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#define RT_USING_HEAP
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/* Using Small MM */
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#define RT_USING_SMALL_MEM
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/* SECTION: Device System */
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/* Using Device System */
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#define RT_USING_DEVICE
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#define RT_USING_UART1
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/* SECTION: Console options */
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/* the buffer size of console*/
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#define RT_CONSOLEBUF_SIZE 128
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#define RT_USING_NEWLIB
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/* SECTION: finsh, a C-Express shell */
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#define RT_USING_FINSH
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/* Using symbol table */
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#define FINSH_USING_SYMTAB
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#define FINSH_USING_DESCRIPTION
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#define __fsymtab_start _alt_partition_FSymTab_start
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#define __fsymtab_end _alt_partition_FSymTab_end
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#define __vsymtab_start _alt_partition_VSymTab_start
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#define __vsymtab_end _alt_partition_VSymTab_end
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/* SECTION: device filesystem */
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//#define RT_USING_DFS
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#define RT_USING_DFS_ELMFAT
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/* the max number of mounted filesystem */
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#define DFS_FILESYSTEMS_MAX 2
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/* the max number of opened files */
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#define DFS_FD_MAX 4
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/* the max number of cached sector */
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#define DFS_CACHE_MAX_NUM 4
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/* SECTION: lwip, a lighwight TCP/IP protocol stack */
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//#define RT_USING_LWIP
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/* LwIP uses RT-Thread Memory Management */
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#define RT_LWIP_USING_RT_MEM
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/* Enable ICMP protocol*/
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#define RT_LWIP_ICMP
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/* Enable UDP protocol*/
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#define RT_LWIP_UDP
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/* Enable TCP protocol*/
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#define RT_LWIP_TCP
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/* Enable DNS */
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#define RT_LWIP_DNS
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/* the number of simulatenously active TCP connections*/
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#define RT_LWIP_TCP_PCB_NUM 5
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/* ip address of target*/
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#define RT_LWIP_IPADDR0 192
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#define RT_LWIP_IPADDR1 168
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#define RT_LWIP_IPADDR2 1
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#define RT_LWIP_IPADDR3 30
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/* gateway address of target*/
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#define RT_LWIP_GWADDR0 192
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#define RT_LWIP_GWADDR1 168
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#define RT_LWIP_GWADDR2 1
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#define RT_LWIP_GWADDR3 1
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/* mask address of target*/
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#define RT_LWIP_MSKADDR0 255
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#define RT_LWIP_MSKADDR1 255
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#define RT_LWIP_MSKADDR2 255
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#define RT_LWIP_MSKADDR3 0
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/* tcp thread options */
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#define RT_LWIP_TCPTHREAD_PRIORITY 12
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#define RT_LWIP_TCPTHREAD_MBOX_SIZE 4
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#define RT_LWIP_TCPTHREAD_STACKSIZE 1024
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/* ethernet if thread options */
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#define RT_LWIP_ETHTHREAD_PRIORITY 15
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#define RT_LWIP_ETHTHREAD_MBOX_SIZE 4
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#define RT_LWIP_ETHTHREAD_STACKSIZE 512
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#endif
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@ -0,0 +1,99 @@
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/*
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* File : startup.c
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* This file is part of RT-Thread RTOS
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* COPYRIGHT (C) 2006-2011, RT-Thread Development Team
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*
|
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* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.rt-thread.org/license/LICENSE
|
||||
*
|
||||
* Change Logs:
|
||||
* Date Author Notes
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* 2011-02-14 aozima first implementation for Nios II.
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* 2011-03-04 aozima add HEAP and finsh support .
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*/
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#include <rtthread.h>
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#include "system.h"
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#include "board.h"
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/**
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* @addtogroup NIOS_II
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*/
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/*@{*/
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extern int rt_application_init(void);
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#ifdef RT_USING_FINSH
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extern void finsh_system_init(void);
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extern void finsh_set_device(const char* device);
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#endif
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#ifdef RT_USING_HEAP
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extern int _alt_partition_sdram_load_addr;
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#endif
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/**
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* This function will startup RT-Thread RTOS.
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*/
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void rtthread_startup(void)
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{
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/* init board */
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rt_hw_board_init();
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/* show version */
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rt_show_version();
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/* init tick */
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rt_system_tick_init();
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/* init kernel object */
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rt_system_object_init();
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/* init timer system */
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rt_system_timer_init();
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#ifdef RT_USING_HEAP
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rt_system_heap_init( &_alt_partition_sdram_load_addr, (void*)(SDRAM_BASE + SDRAM_SPAN) );
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#endif
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/* init scheduler system */
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rt_system_scheduler_init();
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/* init application */
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rt_application_init();
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/* init timer thread */
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rt_system_timer_thread_init();
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#ifdef RT_USING_FINSH
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/* init finsh */
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finsh_system_init();
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finsh_set_device("uart");
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#endif
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/* init idle thread */
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rt_thread_idle_init();
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/* start scheduler */
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rt_system_scheduler_start();
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/* never reach here */
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return ;
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}
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int main(void)
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{
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rt_uint32_t UNUSED level;
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/* disable interrupt first */
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level = rt_hw_interrupt_disable();
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/* startup RT-Thread RTOS */
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rtthread_startup();
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return 0;
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}
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/*@}*/
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@ -0,0 +1,122 @@
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#include <rthw.h>
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#include <rtthread.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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|
||||
#include "system.h"
|
||||
#include "sys/alt_irq.h"
|
||||
#include "altera_avalon_uart_regs.h"
|
||||
|
||||
extern int alt_irq_register (alt_u32 id,
|
||||
void* context,
|
||||
void (*alt_isr_func)(void* isr_context, alt_u32 id) );
|
||||
|
||||
static void set_baudrate(unsigned int baudrate)
|
||||
{
|
||||
IOWR_ALTERA_AVALON_UART_DIVISOR(RS232_BASE,
|
||||
(unsigned int)(ALT_CPU_FREQ/baudrate+0.5) );
|
||||
}
|
||||
|
||||
/********* rt-thread *********/
|
||||
#include <rtthread.h>
|
||||
|
||||
struct rt_device uart_device;
|
||||
uint8_t rx_buf[100];
|
||||
uint32_t rx_put_index;
|
||||
uint32_t rx_get_index;
|
||||
|
||||
static rt_err_t rt_uart_init (rt_device_t dev)
|
||||
{
|
||||
set_baudrate(115200);
|
||||
|
||||
IOWR_ALTERA_AVALON_UART_CONTROL(RS232_BASE, 0x80);//接收中断使能
|
||||
IOWR_ALTERA_AVALON_UART_STATUS(RS232_BASE, 0x0); // clean status
|
||||
|
||||
rx_put_index = 0;
|
||||
rx_get_index = 0;
|
||||
|
||||
return RT_EOK;
|
||||
}
|
||||
|
||||
static rt_err_t rt_uart_open(rt_device_t dev, rt_uint16_t oflag)
|
||||
{
|
||||
return RT_EOK;
|
||||
}
|
||||
|
||||
static rt_err_t rt_uart_close(rt_device_t dev)
|
||||
{
|
||||
return RT_EOK;
|
||||
}
|
||||
|
||||
static rt_size_t rt_uart_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
|
||||
{
|
||||
if( rx_get_index )
|
||||
{
|
||||
*(uint8_t *)buffer = rx_buf[0];
|
||||
rx_get_index--;
|
||||
return size;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static rt_size_t rt_uart_write(rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
|
||||
{
|
||||
const char * write_point = buffer;
|
||||
while(size--)
|
||||
{
|
||||
if(*write_point == '\n')
|
||||
{
|
||||
IOWR_ALTERA_AVALON_UART_TXDATA(RS232_BASE,'\r');
|
||||
while( !(IORD_ALTERA_AVALON_UART_STATUS(RS232_BASE)&(1<<6)) ); // status bit6 : TRDY
|
||||
}
|
||||
IOWR_ALTERA_AVALON_UART_TXDATA(RS232_BASE,*write_point);
|
||||
write_point++;
|
||||
while( !(IORD_ALTERA_AVALON_UART_STATUS(RS232_BASE)&(1<<6)) ); // status bit6 : TRDY
|
||||
}
|
||||
|
||||
return size;
|
||||
}
|
||||
|
||||
static rt_err_t rt_uart_control(rt_device_t dev, rt_uint8_t cmd, void *args)
|
||||
{
|
||||
return RT_EOK;
|
||||
}
|
||||
|
||||
static void uart_isr(void * context,alt_u32 id)
|
||||
{
|
||||
rx_buf[rx_get_index] = IORD_ALTERA_AVALON_UART_RXDATA(RS232_BASE);
|
||||
rx_get_index++;
|
||||
if (uart_device.rx_indicate != RT_NULL)
|
||||
{
|
||||
uart_device.rx_indicate(&uart_device, 1);
|
||||
}
|
||||
}
|
||||
|
||||
void rt_hw_uart_init(void)
|
||||
{
|
||||
// init uart
|
||||
set_baudrate(115200);
|
||||
IOWR_ALTERA_AVALON_UART_CONTROL(RS232_BASE, 0x80);//接收中断使能
|
||||
IOWR_ALTERA_AVALON_UART_STATUS(RS232_BASE, 0x0); // clean status
|
||||
alt_irq_register(RS232_IRQ, NULL, uart_isr);
|
||||
|
||||
// register device
|
||||
uart_device.type = RT_Device_Class_Char;
|
||||
/* device interface */
|
||||
uart_device.init = rt_uart_init;
|
||||
uart_device.open = rt_uart_open;
|
||||
uart_device.close = rt_uart_close;
|
||||
uart_device.read = rt_uart_read;
|
||||
uart_device.write = rt_uart_write;
|
||||
uart_device.control = rt_uart_control;
|
||||
|
||||
uart_device.user_data = RT_NULL;
|
||||
uart_device.rx_indicate = RT_NULL;
|
||||
uart_device.tx_complete = RT_NULL;
|
||||
|
||||
rt_device_register(&uart_device,
|
||||
"uart", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX);
|
||||
}
|
||||
|
|
@ -0,0 +1,6 @@
|
|||
#ifndef UART_H_INCLUDED
|
||||
#define UART_H_INCLUDED
|
||||
|
||||
extern void rt_hw_uart_init(void);
|
||||
|
||||
#endif // UART_H_INCLUDED
|
||||
Loading…
Reference in New Issue