fipuser_prosonic.c

这是一个SIGMA方案的PMP播放器的UCLINUX程序,可播放DVD,VCD,CD MP3...有很好的参考价值.

/*
 * Specific declarations for PROSONIC player
 *
 * Copyright(c) 2002 Sigma Designs, Inc.
 * Author: Markus Brenner
 * September 2002
 */

#include "fipuser.h"
#include "fipuser_common.h"


//this array is used to display individual symbols
//the format is [byte position][bit to turn on] - both zero based
const char fipsymbols[NUM_SYMBOLS][2] = { 
	{0, 0}, {0, 1}, {0, 2}, {0, 3}, {0, 4}, {0, 5}, {0, 6},
	{0, 7}, {1, 0}, {1, 1}, {1, 2}, {1, 3}, {1, 4}, {1, 5}, 
	{1, 6}, {1, 7}, {9, 6},	{9, 7}, {12, 7}, {15, 6}, 
	{15, 7}, {18, 7}, {21, 7}
};


//character mapping
#define LCD_SEG_14
#include "fipcharacter.h"


//return 1 if succesfull, otherwise 0
int fip_display_character(const int position, const char character) {
	int i, byte1, byte2;
	unsigned char current_contents0, current_contents1;
	
	if(position < 1 || position > NUM_DIGITS) {
		DPRINTF("WARNING: digit #%d not available/supported on this player\n", position);
		return 0;
	}

	for(i = 0; i < NUM_CHARACTERS; i++)
		if(character == fipcharactersmap[i]) {
			byte1 = 24 - (3 * position);
			byte2 = 25 - (3 * position);

			FIP_ASSERT(byte1 < MAX_FIP_RAM);
			FIP_ASSERT(byte2 < MAX_FIP_RAM);

			current_contents0 = fipram[byte1];
			current_contents1 = fipram[byte2];

			//clear	
			fipram[byte1] &= fipcharactermask[0];
			fipram[byte2] &= fipcharactermask[1];
			
			//set new bits
			fipram[byte1] |= fipcharacters[i][0];
			fipram[byte2] |= fipcharacters[i][1];

			//display if necessary
			if (current_contents0 != fipram[byte1])
				FIP_USER_DISPLAY(byte1, fipram[byte1]);
			if (current_contents1 != fipram[byte2])
				FIP_USER_DISPLAY(byte2, fipram[byte2]);
			return 1;
		}

	DPRINTF("WARNING: character '%c' not available/supported on this player\n", character);
	return 0;
}


//show centered text (not every player has enough digits - so we have to finetune here)
void fip_display_text(const int text) {
	switch(text) {
		case FIP_TEXT_FLASHING:	fip_write_text(0, "FLASH", FIP_CENTER); break;
		case FIP_TEXT_LOADING:	fip_write_text(0, "LOADING", FIP_CENTER); break;
		case FIP_TEXT_DONE:		fip_write_text(0, "DONE", FIP_CENTER); break;
		case FIP_TEXT_ERROR:	fip_write_text(0, "ERROR", FIP_CENTER); break;
		case FIP_TEXT_NO_DISC:	fip_write_text(0, "NO CD", FIP_CENTER); break;
		case FIP_TEXT_ISO_DISC:	fip_write_text(0, "ISO CD", FIP_CENTER); break;
		case FIP_TEXT_PAL:		fip_write_text(0, "PAL", FIP_CENTER); break;
		case FIP_TEXT_NTSC:		fip_write_text(0, "NTSC", FIP_CENTER); break;
		case FIP_TEXT_DIGITAL:	fip_write_text(0, "DIGITAL", FIP_CENTER); break;
		case FIP_TEXT_JPEG:		fip_write_text(0, "JPEG", FIP_CENTER); break;
		default:				DPRINTF("WARNING: text #%d not available/supported on this player\n", text);
	}
}


void fip_animate_twirl(const int on) {
	//turn previous off
	fip_display_symbol(TWIRL_1_FIP_ON + twirlstate, 0);

	if(on) {
		twirlstate++;
		if(twirlstate >= 6) twirlstate = 0;
		fip_display_symbol(TWIRL_1_FIP_ON + twirlstate, 1);
	}	
}


void fip_displayinfo(const int hour, const int minute, const int second, const int title, const int chapter) {
	if(hour < L_OFF || minute < L_OFF || second < L_OFF || title < L_OFF || chapter < L_OFF ||
	   hour > 99 || minute > 59 || second > 59 || title > 99 || chapter > 99) {
		DPRINTF("ERROR: parameters passed to fip_displayinfo() not in valid range\n");
		return;
	}

	//hour
	fip_display_character(1, ' ');
	fip_display_character(2, (hour==L_OFF) ? ' ' : hour/10 + '0');
	fip_display_character(3, (hour==L_OFF) ? ' ' : hour%10 + '0');

	//minute 
	fip_display_character(4, (minute==L_OFF) ? ' ' : minute/10 + '0');
	fip_display_character(5, (minute==L_OFF) ? ' ' : minute%10 + '0');

	//second
	fip_display_character(6, (second==L_OFF) ? ' ' : second/10 + '0');
	fip_display_character(7, (second==L_OFF) ? ' ' : second%10 + '0');

	//show colons if needed
	fip_display_symbol(COLON_HOUR_MIN_FIP_ON, (hour==L_OFF) ? 0 : 1);
	fip_display_symbol(COLON_MIN_SEC_FIP_ON, (hour==L_OFF && minute==L_OFF) ? 0 : 1);

	//title
	if(title != L_OFF)
		DPRINTF("WARNING: title display not available/supported on this player\n");

	//chapter
	if(chapter != L_OFF)
		DPRINTF("WARNING: chapter display not available/supported on this player\n");
}