amp.h

我个人编写的车载dvd上的程序

extern void AmpTimer100ms(void);
extern void AmpInit();


#define TDA7546_ADDR  0xd8
#define DIAGNOSTIC_ENABLE  (0x01 << 6)
#define OFFSET_DETECTION_ENABLE (0x01 << 5)
#define FRONT_CHANNEL_GAIN_12DB   (0x01 << 4)
#define REAL_CHANNEL_GAIN_12DB     (0x01 << 3)
#define MUTE_FRONT_CHANNEL    (0x01 << 2)
#define MUTE_REAR_CHANNEL (0x01 << 1)
#define CLIP_DETECT_2PER  0x01

#define STANDBY_ON     (0x01 << 4)
#define POWER_AMPLIFY_DIAGNOSTIC  (0x01 <<3)
#define CURRENT_DETECT_DIAGNOSTIC  (0x01 << 2)
#define RIGHT_CHANNEL_WORK   (0x01 << 1)
#define LEFT_CHANNEL_WORD  0x01

ext unsigned char db0;
ext unsigned char db1;
ext unsigned char AmpTimerdelay;
ext unsigned char AmpMode;
#define AMPMODE_ONREQ  1
#define AMPMODE_ONWAIT 2
#define AMPMODE_ONINIT 3
#define AMPMODE_ON 4
#define AMPMODE_OFFREQ 5
#define AMPMODE_OFFWAIT 6
#define AMPMODE_OFFINIT 7
#define AMPMODE_OFF  8