📄 test.c
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/*
*********************************************************************************************************
* uC/OS-II
* The Real-Time Kernel
*
* (c) Copyright 1992-2002, Jean J. Labrosse, Weston, FL
* All Rights Reserved
*
* Crossroads Traffic Control System
* UC_OS-II大综合作业（南昌大学软件学院）嵌入式——龙波
*********************************************************************************************************
*/
#include "includes.h"
//#include "string.h"
//#include "stdlib.h"
#include "time.h"
/*
*********************************************************************************************************
* CONSTANTS
*********************************************************************************************************
*/
#define TASK_STK_SIZE 512 /* Size of each task's stacks (# of WORDs) */
#define TASK_START_ID 0 /* Application tasks IDs */
#define TASK_CLK_ID 1
#define TASK_1_ID 2
#define TASK_2_ID 3
#define TASK_3_ID 4
#define TASK_4_ID 5
#define TASK_5_ID 6
#define TASK_6_ID 7
#define TASK_START_PRIO 10 /* Application tasks priorities */
#define TASK_CLK_PRIO 11
#define TASK_1_PRIO 12
#define TASK_2_PRIO 13
#define TASK_3_PRIO 14
#define TASK_4_PRIO 15
#define TASK_5_PRIO 16
#define TASK_6_PRIO 17
INT16S key; /*用于退出uCOS_II的键 */
BOOLEAN ac_key; /*设置信号量初值 */
BOOLEAN c;
BOOLEAN d;
INT8U err;
INT8U i; /*用于显示转弯闪烁次数参数 */
INT8U m = 100; /*用户检测器统计各方向车流量 */
INT8U n = 100;
INT8U x = 100;
INT8U y = 100;
INT8U id= 10; /*设置智能控制通行时间变化量 */
INT8U p1; /*检测各方向车流量倍数关系 */
INT8U p2;
INT8U p;
OS_EVENT *Str_Box;
//OS_EVENT *RandomSem;
char *s;
char *ss;
char *West_wait;
char *East_wait;
char *South_wait;
char *North_wait;
static void TaskStartDispInit(void);
/*
*********************************************************************************************************
* VARIABLES
*********************************************************************************************************
*/
OS_STK TaskStartStk[TASK_STK_SIZE]; /* Startup task stack */
OS_STK TaskClkStk[TASK_STK_SIZE]; /* Clock task stack */
OS_STK Task1Stk[TASK_STK_SIZE]; /* Task #1 task stack */
OS_STK Task2Stk[TASK_STK_SIZE]; /* Task #2 task stack */
OS_STK Task3Stk[TASK_STK_SIZE]; /* Task #3 task stack */
OS_STK Task4Stk[TASK_STK_SIZE]; /* Task #4 task stack */
OS_STK Task5Stk[TASK_STK_SIZE]; /* Task #5 task stack */
OS_STK Task6Stk[TASK_STK_SIZE]; /* Task #6 task stack */
/*
*********************************************************************************************************
* FUNCTION PROTOTYPES
*********************************************************************************************************
*/
void TaskStart(void *data); /* Function prototypes of tasks */
static void TaskStartCreateTasks(void);
static void TaskStartDispInit(void);
static void TaskStartDisp(void);
void TaskClk(void *data);
void Task1(void *data);
void Task2(void *data);
void Task3(void *data);
void Task4(void *data);
void Task5(void *data);
void Task6(void *data);
/*$PAGE*/
/*
*********************************************************************************************************
* MAIN
*********************************************************************************************************
*/
void main (void)
{
OS_STK *ptos;
OS_STK *pbos;
INT32U size;
PC_DispClrScr(DISP_BGND_BLACK); /* Clear the screen */
OSInit(); /* Initialize uC/OS-II */
ac_key=TRUE;
d=TRUE;
c=TRUE;
PC_DOSSaveReturn(); /* Save environment to return to DOS */
PC_VectSet(uCOS, OSCtxSw); /* Install uC/OS-II's context switch vector */
Str_Box=OSMboxCreate((void*)0);
PC_ElapsedInit(); /* Initialized elapsed time measurement */
ptos = &TaskStartStk[TASK_STK_SIZE - 1]; /* TaskStart() will use Floating-Point */
pbos = &TaskStartStk[0];
size = TASK_STK_SIZE;
OSTaskStkInit_FPE_x86(&ptos, &pbos, &size);
// RandomSem = OSSemCreate(1); /* Random number semaphore */
OSTaskCreateExt(TaskStart,
(void *)0,
ptos,
TASK_START_PRIO,
TASK_START_ID,
pbos,
size,
(void *)0,
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);
OSStart(); /* Start multitasking */
}
/*$PAGE*/
/*
*********************************************************************************************************
* STARTUP TASK
*********************************************************************************************************
*/
void TaskStart (void *pdata)
{
#if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
OS_CPU_SR cpu_sr;
#endif
INT16S key;
pdata = pdata; /* Prevent compiler warning */
TaskStartDispInit(); /* Setup the display */
OS_ENTER_CRITICAL(); /* Install uC/OS-II's clock tick ISR */
PC_VectSet(0x08, OSTickISR);
PC_SetTickRate(OS_TICKS_PER_SEC); /* Reprogram tick rate */
OS_EXIT_CRITICAL();
OSStatInit(); /* Initialize uC/OS-II's statistics */
TaskStartCreateTasks();
/*这是一个永真循环。所有uC/OS-II程序都包含一
个永真循环，这样做能防止出现程序跑飞的现象 */
for (;;) {
TaskStartDisp(); /* Update the display */
if (PC_GetKey(&key)) { /* See if key has been pressed */
if (key == 0x1B) { /* Yes, see if it's the ESCAPE key */
PC_DOSReturn(); /* Yes, return to DOS */
}
}
OSCtxSwCtr = 0; /* Clear the context switch counter */
OSTimeDly(OS_TICKS_PER_SEC); /* Wait one second */
}
}
/*$PAGE*/
/*
*********************************************************************************************************
* CREATE APPLICATION TASKS
*********************************************************************************************************
*/
static void TaskStartCreateTasks (void)
{
OSTaskCreateExt(TaskClk,
(void *)0,
&TaskClkStk[TASK_STK_SIZE - 1],
TASK_CLK_PRIO,
TASK_CLK_ID,
&TaskClkStk[0],
TASK_STK_SIZE,
(void *)0,
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);
OSTaskCreateExt(Task1,
(void *)0,
&Task1Stk[TASK_STK_SIZE - 1],
TASK_1_PRIO,
TASK_1_ID,
&Task1Stk[0],
TASK_STK_SIZE,
(void *)0,
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);
OSTaskCreateExt(Task2,
(void *)0,
&Task2Stk[TASK_STK_SIZE - 1],
TASK_2_PRIO,
TASK_2_ID,
&Task2Stk[0],
TASK_STK_SIZE,
(void *)0,
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);
OSTaskCreateExt(Task3,
(void *)0,
&Task3Stk[TASK_STK_SIZE - 1],
TASK_3_PRIO,
TASK_3_ID,
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