ex1.c

ep7312- ad转换的源码

/**************************************************************************
*                                                                         *
*   PROJECT     : ARM port for UCOS-II                                    *
*                                                                         *
*   MODULE      : EX1.c                                                   *
*                                                                         *
*   AUTHOR      : Michael Anburaj                                         *
*                 URL  : http://geocities.com/michaelanburaj/             *
*                 EMAIL: [e-mail]                       *
*                                                                         *
*   PROCESSOR   : Any processor                                           *
*                                                                         *
*   IDE         : Any IDE                                                 *
*                                                                         *
*   DESCRIPTION :                                                         *
*   This is a sample code to test UCOS-II.                                *
*                                                                         *
**************************************************************************/


#include "includes.h"
#include "consol.h"
#include "adc.h"
#include "lcd.h"
#include "oscillograph.h"
#include "adda.h"


/* ********************************************************************* */
/* Global definitions */


/* ********************************************************************* */
/* File local definitions */

#define  TASK_STK_SIZE 256                      /* Size of each task's stacks (# of WORDs) */
#define  NO_TASKS           1                 /* Number of identical tasks */

OS_STK           Task1Stk[TASK_STK_SIZE];             /* Task #1    task stack                         */
OS_STK   TaskStartStk[TASK_STK_SIZE];
char     TaskData[NO_TASKS];                    /* Parameters to pass to each task */
OS_EVENT *RandomSem;


/* ********************************************************************* */
/* Local functions */

void Task1(void *data)
{
	unsigned char adc_data[50] = {0};
	unsigned char data_bak[50] = {0};

	clear_lcd();

	while ( 1 ) {

		/* display oscillograph */
		draw_interface();

		/*adc, the datas are stored in adc_data[] */
		adda_sample(adc_data, 50);

		/* convert adc data to coordinates */
		data2pixel(adc_data,50);

		/* erase waveform pre-drawn*/
		erase_wave(data_bak, 50);

		/* display waveform here */
		draw_wave(adc_data, 50);

		/* backup adc data */
		backup_data(data_bak, adc_data, 50);

		OSTimeDly(200);
		}
			

}



void TaskStart (void *data)
{
        U8 i;
        data = data;                            /* Prevent compiler warning */

        CONSOL_Printf("uC/OS-II, The Real-Time Kernel ARM Ported version\n");
        //CONSOL_Printf("Jean J. Labrosse/ (Ported by) Michael Anburaj\n");
        CONSOL_Printf("EXAMPLE #1\n");
    
        FRMWRK_vStartTicker(OS_TICKS_PER_SEC);  /* The Tick timer is started much earlier */

        OSStatInit();                           /* Initialize uC/OS-II's statistics */
        for (i = 0; i < NO_TASKS; i++)
        {                                       /* Create NO_TASKS identical tasks */ 
                TaskData[i] = '0' + i;          /* Each task will display its own letter */
                //CONSOL_Printf("#%d",i);
                //OSTaskCreate(Task1,&TaskData[i],  &TaskStk[i][TASK_STK_SIZE - 1], i + 1);
        } 

        OSTaskCreate(Task1,(void *)0,  &Task1Stk[TASK_STK_SIZE - 1],  20);       

        while(1)
        {
               	CONSOL_Printf("\n# Parameter1: No. Tasks  %d\n", OSTaskCtr);           /* Display #tasks running */

	       	CONSOL_Printf("# Parameter2: CPU Usage in %% %d  %\n",OSCPUUsage);     /* Display CPU usage in % */
        	       
		//CONSOL_Printf("# Parameter3: CPU Usage in %% %d  %\n",OSCtxSwCtr); 
		//OSCtxSwCtr = 0;
		i = CONSOL_Readc( );
		if (1 == i)
		{
			CONSOL_Printf( "uc/os is quit!");
			return;
		}

          	//OSTimeDly(32768);
                OSTimeDlyHMSM(0, 0, 1, 0);      /* Wait one second */
        }
}


/* ********************************************************************* */
/* Global functions */

void APP_vMain (void)
{
        OSInit();                               /* Initialize uC/OS-II                                      */
        RandomSem = OSSemCreate(1);             /* Random number semaphore                              */
        OSTaskCreate(TaskStart, 0, &TaskStartStk[TASK_STK_SIZE - 1], 0);
        //FRMWRK_vStartTicker(OS_TICKS_PER_SEC);  /* os_cfg.h */
        OSStart();                              /* Start multitasking                                       */
}


/* ********************************************************************* */