channel.h

以ST公司CPU为核心的彩色电视机的完整源程序。

/*********************** SGS-THOMSON MICROELECTRONICS ************************
FILENAME     : CHANNEL.H
VERSION      : V1.0
DATE         : JAN 1999
AUTHOR(s)    : ASHISH RUDOLA/ DEEPAK DOSHI
PROCESSOR    : ST92195
DESCRIPTION  : This module contains constant definitions and function
               prototypes.
MODIFICATIONS:
   -
*****************************************************************************/
#ifndef _channelhead_
#define _channelhead_

void init_channel(void);
void init_label(void);
void  store_nicam_info(unsigned char );
void channel_up(void);
void channel_down(void);
void update_digit_entry(unsigned char);
void init_digit_entry(void);
void get_valid_channel(unsigned char);
unsigned char get_possible_channel(unsigned char, unsigned char);
void select_channel(void);
unsigned char read_channel_info(unsigned char);
void store_channel(void);
void check_edit_channel(void);
void move_channel(void);
void delete_channel(void);
void copy_channel(unsigned char,unsigned char); 
void  store_skip_nonecolor_label_info(unsigned char);
extern unsigned char channel;
extern unsigned char previous_channel;
extern unsigned char channel_tens;



#define VIDEO_CHANNEL 		0		/* Video channel */
#define CHANNEL_NUMBER 		99		/* Channel number available */
//#define TMP_CHANNEL_NUMBER 	100		/* Channel number available */

#define SCAN_UP			0xFF		/* Enable scanning in forward direction */
#define SCAN_DOWN		0x00		/* Enable scanning in reverse direction */


#define SETTINGS		   2			/* Channel settings */
#define SYSTEM_MASK		0xE0	    /*System mask i(LL1,PAL,SECAM,NTSC) eeprom channel settings */
#define SKIP_MASK		   0x10		/* SKIP 1*/ 
#define AUDIO_SYSTEM_MASK		0x07	    /*System mask i(LL1,PAL,SECAM,NTSC) eeprom channel settings */

#define DISABLE_CHANNEL 0xff


#endif