基于NIOS II的uC/OS系统的开发

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/*

* =====================================================================================

*

* Filename: ds1302.c

*

* Description: DS1302驱动

*

* Version: 1.0.0

* Created: 2010.4.16

* Revision: none

* Compiler: Nios II 9.0 IDE

*

* Author: 马瑞 (AVIC)

* Email: avic633@gmail.com

*

* =====================================================================================

*/

#include stdio.h>

#include unistd.h>

#include string.h>

#include includes.h

#include alt_ucosii_simple_error_check.h

#includeds1302.h

#include altera_avalon_pio_regs.h

#include altera_avalon_timer_regs.h

#include alt_types.h

#include sys/alt_irq.h

//定义椎栈

#define TASK_STACKSIZE 2048

OS_STK initialize_task_stk[TASK_STACKSIZE];

OS_STK ds1302_task_stk[TASK_STACKSIZE];

OS_STK led_task_stk[TASK_STACKSIZE];

OS_STK seg_task_stk[TASK_STACKSIZE];

//定义优先级

#define INITIALIZE_TASK_PRIORITY 6

#define LED_TASK_PRIORITY 10

#define DS1302_TASK_PRIORITY 11

#define SEG_TASK_PRIORITY 12

//格式为: 秒 分 时 日 月 星期 年

unsignedchartime[7] = {0x00,0x19,0x14,0x17,0x03,0x17,0x10};

unsignedcharti[][7]={一,二,三,四,五,六,日};

alt_u8 segtab[10]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90};

unsignedcharbittab[6]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf};

unsignedcharled_buffer[8]={1,2,3,4,5,6,7,8};

staticunsignedcharcnt=0;

voidseg_handler(void);

/*

* === FUNCTION ======================================================================

* Name: ds1302_task

* Description: 任务1 调用ds1302驱动并通过串口显示数据

* =====================================================================================

*/

voidds1302_task(void* pdata)

{

INT8U return_code = OS_NO_ERR;

ds1302.set_time(time);

printf(Hello from Nios II!\n);

while(1){

printf(Hello from Nios II!\r\n);

ds1302.get_time(time);

printf(%02d-%02d-%02d %02d:%02d:%02d 星期%s\r\n,

time[6],time[4],time[3],time[2],time[1],time[0],ti[time[5]-1]);

OSTimeDlyHMSM(0, 0, 1, 0);

}

}

/*

* === FUNCTION ======================================================================

* Name: led_task

* Description: 任务2 调用LED驱动并通过串口显示数据

* =====================================================================================

*/

voidled_task(void* pdata)

{

INT8U return_code = OS_NO_ERR;

unsignedintnum=0;

LED->DATA =0xffffffff;

while(1){

printf(led is running!\r\n);

if(num%2==0)

LED->DATA =0xffffffff;

elseLED->DATA =0;

num++;

OSTimeDlyHMSM(0, 0, 2, 0);