main.c

以TI 公司的OMAP5910为例

//////////////////////////////////////////////////////////////////////////
//            Copyright (C) 2004, Eyoka @ Microunit
//                           All Rights Reserved
//________________________________________________________________________
//
// FILENAME:    Encoder.c
//________________________________________________________________________
//
// REVISE HISTORY
//////////////////////////////////////////////////////////////////////////

#include <stdio.h>
//#include "imgcmc.h"
//#include "jpg.h"
#include "dspsys.h"
#include "armdsp.h"
//#include "filter.h"


void TaskProc(void);

volatile BOOL g_bBusy = FALSE;
volatile BOOL g_bStop = FALSE;
volatile WORD g_Task = TASK_IDLE;
volatile WORD g_nFrames = 0;
char g_strFileName[20];

#define	RST_LVL_LO		REG(0x003802)


void main()
{
	short come_on = 1;

	g_bBusy = FALSE;
	g_bStop = FALSE;
	g_Task = TASK_IDLE;

	SYS_Init();
	
	RST_LVL_LO |= 0x0004;

//	JPG_Init(320, 240, 80, YUV422);

	DSP_READY = 1;
	while(!ARM_READY)
	{
		;
	}

	while(come_on)
	{
		TaskProc();
	}
}

// enumerate and process tasks
void TaskProc(void)
{
	DWORD sizeJPG;
	WORD tmp_l;
	WORD tmp_u;
	DWORD tmp;

	switch(g_Task)
	{
	case TASK_IDLE:
		g_bBusy = FALSE;
		INT_Enable(INT_EVT_MAILBOX1);
		Delay(1000);
		break;

	case TASK_CONVERT:
		g_bBusy = TRUE;
//		puts("TASK_CONVERT");
		tmp_l = ADDR1_L;
		tmp_u = ADDR1_U;
		tmp = tmp_l | ((DWORD)tmp_u << 16);
		IMG_YUV422_RGB565(tmp, 0x00D00000);
		JPG_STAT = 0;
		g_Task = TASK_IDLE;
		break;

	case TASK_FILTER:
		g_bBusy = TRUE;
//		puts("TASK_FILTER");
//		Delay(2000000);
		IMG_Filter(0x00D00000, 0x00D80000);
		JPG_STAT = 0;
		g_Task = TASK_IDLE;
		break;

	case TASK_JPG_ENCODE:
		g_bBusy = TRUE;
		g_nFrames++;
		JPG_STAT = 100;
		puts("TASK_JPG_ENCODE");
//		sizeJPG = JPG_Encode(JPG_SRC, JPG_DST);
//		JPG_SIZE = sizeJPG;
//		sprintf(g_strFileName, "QVGA%02d.jpg", g_nFrames);
//		EMU_WriteFile(g_strFileName, (WORD*)(JPG_DST/2), sizeJPG/2);
		JPG_STAT = 0;
		g_Task = TASK_IDLE;
		break;

	case TASK_JPG_RESET:
		g_bBusy = TRUE;
		puts("DSP Task: TASK_JPG_RESET");
		//@@@@@@@@@@@@@@@@@@
		// TO DO: call JPG_Init()
		// MBX_Write1(MBX1DATA_DONE, MBX1CMD_JPG_RESET);
		//@@@@@@@@@@@@@@@@@@
		g_Task = TASK_IDLE;
		break;

	case TASK_JPG_UPDATE_SIZE:
		g_bBusy = TRUE;
		puts("DSP Task: TASK_JPG_UPDATE_SIZE");
		//@@@@@@@@@@@@@@@@@@
		// TO DO: call JPG_SetSize()
		// MBX_Write1(MBX1DATA_DONE, MBX1CMD_JPG_UPDATE_SIZE);
		//@@@@@@@@@@@@@@@@@@
		g_Task = TASK_IDLE;
		break;

	case TASK_JPG_UPDATE_QUALITY:
		g_bBusy = TRUE;
		puts("DSP Task: TASK_JPG_UPDATE_QUALITY");
		//@@@@@@@@@@@@@@@@@@
		// TO DO: call JPG_SetQuality()
		// MBX_Write1(MBX1DATA_DONE, MBX1CMD_JPG_UPDATE_QUALITY);
		//@@@@@@@@@@@@@@@@@@
		g_Task = TASK_IDLE;
		break;

	case TASK_JPG_UPDATE_SRCMODE:
		g_bBusy = TRUE;
		puts("DSP Task: TASK_JPG_UPDATE_SRCMODE");
		//@@@@@@@@@@@@@@@@@@
		// TO DO: call JPG_SetInColor()
		// MBX_Write1(MBX1DATA_DONE, MBX1CMD_JPG_UPDATE_SRCMODE);
		//@@@@@@@@@@@@@@@@@@
		g_Task = TASK_IDLE;
		break;

	default:
		puts("error task");
		MBX_Write1(0, MBX1CMD_ERROR);
		return;
	}

}

// the end
//////////////////////////////////////////////////////////////////////////