📄 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
*
* EXAMPLE #2
*********************************************************************************************************
*/
#include "includes.h"
/*
*********************************************************************************************************
* CONSTANTS
*********************************************************************************************************
*/
#define TASK_STK_SIZE 512 /* Size of each task's stacks (# of WORDs) */
#define TASK_START_ID 0 /* Application taskszcs IDs */
#define TASK_CLK_ID 1
#define pro_1_ID 2
#define con_1_ID 5
#define mes_1_ID 7 //发消息的ID
#define mes_2_ID 8 //收消息的ID
#define mutex_1_ID 9
#define mutex_2_ID 10
#define TASK_START_PRIO 10 /* Application tasks priorities */
#define TASK_CLK_PRIO 11
#define mes_1_PRIO 24 //同上
#define mes_2_PRIO 25
#define mutex_1_PRIO 26
#define mutex_2_PRIO 27
#define pro_1_PRIO 28
#define con_1_PRIO 29
/*
*********************************************************************************************************
* VARIABLES
*********************************************************************************************************
*/
OS_STK TaskStartStk[TASK_STK_SIZE]; /* Startup task stack */
OS_STK TaskClkStk[TASK_STK_SIZE]; /* Clock task stack */
OS_STK pro1Stk[TASK_STK_SIZE]; /* Task #1 task stack */
OS_STK con1Stk[TASK_STK_SIZE]; /* Task #4 task stack */
OS_STK mes1Stk[TASK_STK_SIZE];
OS_STK mes2Stk[TASK_STK_SIZE];
OS_STK mutex1Stk[TASK_STK_SIZE];
OS_STK mutex2Stk[TASK_STK_SIZE];
OS_EVENT *AckMbox; /* Message mailboxes for Tasks #4 and #5 */
OS_EVENT *TxMbox;
INT16U buffer[10];
INT16U data_p,data_c;
INT16U p,q,y,z,sz,gz;//p,q栈指针
OS_EVENT *empty;
OS_EVENT *full;
OS_EVENT *mutex;
OS_EVENT *mut;
OS_EVENT *cons;
OS_EVENT *ResourceMutex;
char txmsg;
/*
*********************************************************************************************************
* 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 producer1(void *data);
void consumer1(void *data);
void messagesend(void *data);
void messageget(void *data);
void mutex1(void *pdata);
void mutex2(void *pdata);
/*$PAGE*/
/*
*********************************************************************************************************
* MAIN
*********************************************************************************************************
*/
void main (void)
{
OS_STK *ptos;
OS_STK *pbos;
INT32U size;
PC_DispClrScr(DISP_FGND_WHITE); /* Clear the screen */
OSInit(); /* Initialize uC/OS-II */
PC_DOSSaveReturn(); /* Save environment to return to DOS */
PC_VectSet(uCOS, OSCtxSw); /* Install uC/OS-II's context switch vector */
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);
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 */
}
void TaskStart (void *pdata)
{
#if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
OS_CPU_SR cpu_sr;
#endif
INT16S key;
INT8U err;
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 */
AckMbox = OSMboxCreate((void *)0); /* Create 2 message mailboxes */
TxMbox = OSMboxCreate((void *)0);
empty=OSSemCreate(10);
full=OSSemCreate(0);
mutex=OSSemCreate(1);
mut=OSSemCreate(1);
cons=OSSemCreate(1);
p=0;
q=0;
y=17;
z=17;
sz=18;
gz=17;
TaskStartCreateTasks(); /* Create all other tasks */
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 context switch counter */
OSTimeDly(OS_TICKS_PER_SEC); /* Wait one second */
}
}
static void TaskStartDispInit (void)
{
PC_DispStr( 0, 0, " pro_con_masssend_send_get ", DISP_FGND_WHITE + DISP_BGND_RED + DISP_BLINK);
PC_DispStr( 0, 1, " 05111712 LiYin ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 2, " 05111704 ChenXianLong ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 3, " 05111713 LiuCheng ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 4, " 05111715 LuPing ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 5, " 05111716 ShengLiJuan ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 6, " 05111701 ChenFenZhen ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 7, " ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 8, "Task1 : ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 9, "Task2 : ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 10, " ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 11, " ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 12, "Producer1 : ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 13, " ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 14, " ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 15, "Consumer1 : ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 16, " ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 17, " ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 18, " ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 19, "Msgsend : ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 20, "Msgget : ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 21, " ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 22, "#Tasks : CPU Usage: % ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 23, "#Task switch/sec: ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY);
PC_DispStr( 0, 24, " <-PRESS 'ESC' TO QUIT-> ", DISP_FGND_BLACK + DISP_BGND_LIGHT_GRAY + DISP_BLINK);
}
static void TaskStartDisp (void)
{
char s[80];
sprintf(s, "%5d", OSTaskCtr); /* Display #tasks running */
PC_DispStr(18, 22, s, DISP_FGND_YELLOW + DISP_BGND_BLUE);
sprintf(s, "%3d", OSCPUUsage); /* Display CPU usage in % */
PC_DispStr(36, 22, s, DISP_FGND_YELLOW + DISP_BGND_BLUE);
sprintf(s, "%5d", OSCtxSwCtr); /* Display #context switches per second */
PC_DispStr(18, 23, s, DISP_FGND_YELLOW + DISP_BGND_BLUE);
sprintf(s, "V%4.2f", (float)OSVersion() * 0.01); /* Display uC/OS-II's version number */
PC_DispStr(75, 24, s, DISP_FGND_YELLOW + DISP_BGND_BLUE);
switch (_8087) { /* Display whether FPU present */
case 0:
PC_DispStr(71, 22, " NO FPU ", DISP_FGND_YELLOW + DISP_BGND_BLUE);
break;
case 1:
PC_DispStr(71, 22, " 8087 FPU", DISP_FGND_YELLOW + DISP_BGND_BLUE);
break;
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