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標(biāo)題: 基于RTX51_TINY實時操作系統(tǒng)交通燈設(shè)計附源程序原理圖 [打印本頁]

作者: JAMES123 時間: 2020-8-18 16:55
標(biāo)題: 基于RTX51_TINY實時操作系統(tǒng)交通燈設(shè)計附源程序原理圖
在原有的單片機(jī)交通燈控制基礎(chǔ)上加上RTX51 Tiny實時操作系統(tǒng)，使得系統(tǒng)更具有實時性。
RTX51 Tiny是一種實時操作系統(tǒng)（RTOS），可以用它來建立多個任務(wù)（函數(shù)）同時執(zhí)行的應(yīng)用。嵌入式應(yīng)用系統(tǒng)經(jīng)常有這種需求。RTOS可以提供調(diào)度、維護(hù)、同步等功能。
實時操作系統(tǒng)能靈活的調(diào)度系統(tǒng)資源，像CPU和存儲器，并且提供任務(wù)間的通信。RTX51 Tiny是一個功能強(qiáng)大的RTOS，且易于使用，它用于8051系列的微控制器。
RTX51 Tiny的程序用標(biāo)準(zhǔn)的C語言構(gòu)造，由Keil C51 C編譯器編譯。用戶可以很容易的定義任務(wù)函數(shù)，而不需要進(jìn)行復(fù)雜的棧和變量結(jié)構(gòu)配置，只需包含一個指定的頭文件。

Altium Designer畫的PCB和原理圖:

本帖在原有的交通燈設(shè)計上加以改進(jìn)為基于51tiny的交通燈設(shè)計，模擬十字路口交通燈包括時間顯示和指示燈，并且可以通過按鍵設(shè)置模式和定時時間源碼如下：
#include "stc12c5a60s2.h"
#include "rtx51tny.h"
#define uchar unsigned char
#define uint unsigned int
uchar smg[6] = {10, 10, 10, 10, 10, 10};
uchar code table1[12] = {0x77, 0x42, 0x3e, 0x5e, 0x4b, 0x5d, 0x7d, 0x46, 0xff, 0x5f, 0x00, 0x08};
uchar code table2[6] = {0xf5, 0xed, 0xdd, 0xbd, 0xfc,0x7d};
bit busy = 0;                      //忙標(biāo)志位
uchar nb = 29;                                              //南北時間
uchar dx = 29;                                              //東西時間
uchar bx = 1;                                              //南北燈切換標(biāo)志
uchar bx1 = 1;                                              //東西燈切換標(biāo)志
uchar led[8] = {1,1,1,1,1,1,1,1};
uchar sw = 0;                                                 //界面切換標(biāo)志
uchar turn = 10;                                        //轉(zhuǎn)彎時間
uchar nb1 = 30;
uchar dx1 = 30;
//創(chuàng)建任務(wù)
void Main_task(void) _task_ 0
{
      P0 = 0x00;
      //P10 = 1;
      //P10 = 0;
      //P2 = 0x00;
      //P0 = 0xff;
      //P2 = 0x80;
      //P2 = 0x00;
      os_create_task(1);
      os_create_task(2);
      os_create_task(3);
      os_create_task(4);
      os_create_task(5);

os_delete_task(0);
}

//數(shù)碼管
void Smg_task(void) _task_ 1
{
static uchar i = 0;
while (1)
{
            if (!busy)
            {
                     busy = 1;
                     P1 = table2[ i];
                     P0 = table1[smg[ i]];
                     P12 = 1;
                     P12 = 0;
                     busy =0;
                     i++;
                     i %= 6;
            }
            os_wait2(K_TMO, 40);
}
}

//LED
void Led_task(void) _task_ 2
{
uchar i = 0;

while (1)
{
            if (!busy)
            {
                     busy = 1;

                     P11 = 1;
                     P00 = led[0];
                     P01 = led[1];
                     P02 = led[2];
                     P03 = led[3];
                     P04 = led[4];
                     P05 = led[5];
                     P06 = led[6];
                     P07 = led[7];
                        P11 = 0;
                     busy = 0;
            }
            if(sw == 2)
            {
                     led[2] = !led[2];
                     led[6] = !led[6];
                     for (i=0; i<30; i++)
                     os_wait2(K_TMO, 200);
            }
            for (i=0; i<20; i++)
            os_wait2(K_TMO, 200);
      }
}

//按鍵
uchar Scan_Key3(void)
{
      uchar value = 20;

      if (P32 == 0)
      {
            value = 1;
      }
      if (P33 == 0)
      {
            value = 2;
      }
      if (P34 == 0)
      {
            value = 3;
      }
      return value;
}

//紅綠燈路口
void display_task(void) _task_ 3
{
      uchar i;

      while(1)
      {
            if (!sw)
            {
                     smg[0] = nb / 10;
                     smg[1] = nb % 10;
                     smg[2] = dx / 10;
                     smg[3] = dx % 10;
                     if (nb >= 6 && nb == 1)
                     {
                              led[0] = 0;
                              P30 = 0;
                     }
                     if(nb >= 6 && nb == 0)
                     {
                              if (nb < 15 && nb > 5)
                              {
                                    led[3] = 0;
                              }
                              led[1] = 0;
                              P31 = 0;
                     }
                     if (nb < 5)
                     {
                              led[3] = 1;
                     }
                     if(nb < 6 && nb >= 0 && bx == 1)
                     {
                              led[2] = 0;
                              led[0] = 1;
                              led[1] = 1;
                              led[3] = 1;
                     }
                     if (nb == 0 || nb > dx1)
                     {
                              nb = nb1;
                              if (bx == 1)
                              {
                                    led[1] = 0;
                                    led[0] = 1;
                                    led[2] = 1;
                                    P30 = 1;
                                    bx = 0;
                              }
                              else
                              {
                                    led[0] = 0;
                                    led[1] = 1;
                                    led[2] = 1;
                                    led[3] = 1;
                                    P31 = 1;
                                    bx = 1;
                              }
                     }
                     if (dx >= 6 && bx1 == 0)
                     {
                              led[4] = 0;
                              P36 = 0;
                     }
                     if(dx >= 6 && bx1 == 1)
                     {
                              if (dx < 15 && dx > 5)
                              {
                                    led[7] = 0;
                              }
                              led[5] = 0;
                              P37 = 0;
                     }
                     if (dx < 5)
                     {
                              led[7] = 1;
                     }
                     if(dx < 6 && dx >= 0 && bx1 == 0)
                     {
                              led[6] = 0;
                              led[4] = 1;
                              led[5] = 1;
                              led[7] = 1;
                     }
                     if (dx == 0 || dx > dx1)
                     {
                              dx = dx1;
                              if (bx1 == 0)
                              {
                                    led[5] = 0;
                                    led[6] = 1;
                                    led[7] = 1;
                                    led[4] = 1;
                                    P36 = 1;
                                    bx1 = 1;
                              }
                              else
                              {
                                    led[4] = 0;
                                    led[6] = 1;
                                    led[7] = 1;
                                    led[5] = 1;
                                    P37 = 1;
                                    bx1 = 0;
                              }
                     }
                     dx--;
                     nb--;
                     for (i=0; i<50; i++)
                     os_wait2(K_TMO, 200);
            }
      }
}

void Key_task(void) _task_ 4
{
uchar value;
static uchar key_value[4] = {11, 11, 11, 11};
static uchar j = 0;

while (1)
{
            value = Scan_Key3();
            if (value != 20)
            {
                     while(Scan_Key3() != 20);
                     switch (value)
                     {
                              //設(shè)置:界面切換
                              case 1:
                                    sw++;
                                             if (sw == 1)
                                             {
                                                      for(j = 0; j < 8;j++)
                                                      {
                                                               led[j] = 1;
                                                      }
                                                      led[2] = 0;
                                                      led[6] = 0;
                                             }
                                             if (sw == 2)
                                             {
                                             ;
                                             }
                                             if (sw == 3)
                                             {
                                                      led[2] = 1;
                                                      led[6] = 1;
                                                      led[1] = led[5] = 0;
                                             }
                                             if (sw == 4)
                                             {
                                                      led[1] = led[5] = 1;
                                                      led[0] = led[4] = 0;
                                             }
                                             if (sw == 5)
                                             {
                                                      led[0] = 1;
                                                      led[4] = 1;
                                                      key_value[0] = dx1 / 10;
                                                      key_value[1] = dx1 % 10;
                                                      key_value[2] = nb1 / 10;
                                                      key_value[3] = nb1 % 10;
                                             }
                                             if (sw == 6)
                                             {
                                                      //dx = 0;
                                                      //nb = 0;
                                                      //dx1 = 0;
                                                      //nb1 = 0;
                                                      sw = 0;
                                                      led[2] = 1;
                                                      //key_value[0] = key_value[1] = key_value[2] = key_value[3] =11;
                                                //smg[1] = smg[2] = smg[3] = smg[4] = smg[6] = smg[7] = 10;
                                             }
                                    break;
                              case 2:
                                    if (sw == 5){
                                    dx1++;
                                    nb1++;
                                    if (nb1 > 30)
                                    {
                                             nb1 = 30;
                                    }
                                    if (dx1 > 30)
                                    {
                                             dx1 = 30;
                                    }

                                             key_value[0] = nb1 / 10;
                                             key_value[1] = nb1 % 10;
                                             key_value[2] = dx1 / 10;
                                             key_value[3] = dx1 % 10;
                                    }
                                    break;
                              case 3:
                                    if (sw == 5){
                                    dx1--;
                                    nb1--;
                                    if ( dx1 < 1)
                                    {
                                             dx1 = 1;
                                    }
                                    if (nb1 < 1)
                                    {
                                             nb1 = 1;
                                    }
                                             key_value[0] = nb1 / 10;
                                             key_value[1] = nb1 % 10;
                                             key_value[2] = dx1 / 10;
                                             key_value[3] = dx1 % 10;
                                    }
                                    break;
                              default:       break;
                     }
                     if (sw){
                              smg[0] = key_value[0];
                              smg[1] = key_value[1];
                              smg[2] = key_value[2];
                              smg[3] = key_value[3];
                     }
            }
            os_wait2(K_TMO, 200);
            os_wait2(K_TMO, 200);
            os_wait2(K_TMO, 200);
            os_wait2(K_TMO, 200);
      }
}

void toll_task(void) _task_ 5
{
      while(1)
      {
      smg[4] = (dx1 + 10) / 10;
      smg[5] = (dx1 + 10) % 10;
      os_wait2(K_TMO, 200);
      }
}

51hei.png (4.21 KB, 下載次數(shù): 124)

交通燈硬件.zip

843.92 KB, 下載次數(shù): 36, 下載積分: 黑幣 -5

交通燈程序.zip

117.2 KB, 下載次數(shù): 51, 下載積分: 黑幣 -5

作者: fbzsn 時間: 2020-11-1 16:00
樓主辛苦了，學(xué)習(xí)一下

作者: xiangdingding 時間: 2022-4-15 15:26
不錯不錯，可以研究一下

歡迎光臨 (http://www.torrancerestoration.com/bbs/)