extern.h

这是电信语音聊天设备的源码

/*******系统外部变量的定义********/

extern unsigned int xdata iii;
extern struct user_e1_define //数字中继用户
{
	unsigned char type;
	//数字中继用户类型 1：为入中继 0：为出中继
	unsigned char mfc;   
	//数字中继用户占用MFC通道号
	unsigned char dtmf;
	//数字中继用户占用DTMF通道号
	unsigned char opp_num;
	//数字中继用户在私聊室里对方的中继线号
	unsigned char wait;
	//等待后台处理
	unsigned char false;														
	//数字中继呼叫失败次数
	unsigned char backward_signal;
	//数字中继用户后向线路信号
	unsigned char forward_signal;
	//数字中继用户前向线路信令
	unsigned char flag;	     
	//数字中继用户占用标志	
	unsigned char back_flag;
	//数字中继用户回呼标志
	unsigned char user_age;
	//数字中继用户对应年龄
	unsigned char opp_age;
	//数字中继用户要求私聊对象年龄
	unsigned char user_sex;
	//数字中继用户对应性别
	unsigned char opp_sex;
	//数字中继用户要求私聊对象性别
	unsigned char telephone[32];
	//数字中继用户对应主叫号码(用于呼出）
	unsigned char user_index;
	//数字中继用户对应指针
	unsigned char password[6];
	//数字中继用户的密码聊天室密码
	unsigned char number_chat[6];
	//数字中继用户的聊天号
	unsigned char first_select;
	//数字中继用户的第一选择
	unsigned char a6_flag;
	//数字中继用户对应A6标志
	unsigned char kd;
	//数字中继用户对应kd信号
	unsigned char lc_state;  
	//数字中继用户呼入状态
	unsigned char mfc_state;  
	//数字中继用户MFC状态
	unsigned char user_state;  
	//数字中继用户选择状态
	unsigned char sub_status;														
	//数字中继用户主控命令
	unsigned char mfc_count;
	//数字中继用户对应MFC读次数
	unsigned char delay;	     
	//数字中继用户延时
	unsigned char control;
	//数字中继用户控制时间
	unsigned char chat_num;	     
	//数字中继用户对应聊天室号
	unsigned char chat_type;
	////数字中继用户对应聊天类型	
	unsigned char user_mix;
	//数字中继用户对应混合时隙
	unsigned char user_num;
	//数字中继用户对应聊天室中自己的号码
	unsigned char yukong_num;
	//数字中继用户对应语控单元
} xdata user_e1[TRK_MAX];
//数字中继用户

extern unsigned char xdata user_monitor_num;
//监视端口号

extern unsigned char xdata user_test_num;
//测试端口号

extern struct chat_common_define//公共聊天室
{
	unsigned char flag;
	//公共聊天室占用标志
	unsigned char user_count;
	//公共聊天室人数
	unsigned char type;
	//公共聊天室对应的逻辑聊天室类型
	unsigned char mt8924_slot[4];
	//公共聊天室对应8924的混合时隙
	unsigned char mt8924_user[4];
	//公共聊天室对应8924的混合时隙对应用户
	unsigned char user_num[16];
	//公共聊天室对应用户号
	unsigned char password[6];
	//公共聊天室对应的密码
} xdata chat_common_resource[GRP_MAX];
//公共聊天室

extern struct chat_number_define//老聊友回呼资源
{
	unsigned char user_num;
	//申请回呼的用户号
	unsigned char user_sex;
	//回呼用户的性别
	unsigned char user_age;
	//回呼用户的年龄
	unsigned char telephone[6];
	//老聊友的电话号码
	unsigned char call_flag;
	//呼叫标志
} xdata chat_number[64];

extern struct user_back_define//其他回呼资源
{
	unsigned char user_num;
	//申请回呼的用户号
	unsigned char user_sex;
	//回呼用户的性别
	unsigned char user_age;
	//回呼用户的年龄
	unsigned char opp_sex;
	//回呼用户要求的性别
	unsigned char opp_age;
	//回呼用户要求的年龄
	unsigned char chat_type;
	//回呼用户选择的聊天室
	unsigned char telephone[6];
	//回呼用户的电话号码
	unsigned char password[6];
	//回呼用户的密码聊天室密码
	unsigned char call_flag;
	//回呼标志
} xdata user_back[128];

extern unsigned char xdata chat_common_count;
//公共聊天室的剩余资源

extern struct chat_private_define//私人聊天室
{
	unsigned char flag;
	//私人聊天室占用标志
	unsigned char user_count;
	//私人聊天室人数
	unsigned char user_num[2];
	//私人聊天室对应用户号
} xdata chat_private_resource[64];
//私人聊天室

extern unsigned char xdata chat_private_count;
//私人聊天室剩余资源 

extern struct audio_dtmf_define//收号器和提示音资源
{
	unsigned char flag;
	//DTMF单元占用标志 0:空闲 1:占用 0xff:不在线
	unsigned char power_flag; 
	//1:等待上电结束 0：否
	unsigned char power_count;
	//上电计数器
	unsigned char num_set;
	//要放的段号
	unsigned char auto_flag;
	//DTMF单元自动放音标志
	unsigned char slot;
	//DTMF单元对应时隙号
	unsigned int addr;
	//DTMF单元对应地址
	unsigned char buf;
	//DTMF单元收到的数
	unsigned char num[8];
	//提示音单元对应段号
	unsigned char index;
	//提示音单元对应段指针
	unsigned char length;
	//提示音单元对应总段数
	unsigned char count;
	//提示音播放的次数
	unsigned char time;
	//提示音播放间隔
	unsigned char play;
	//提示音是否正在播放
	unsigned char delay;
	//DTMF单元对应延时
	unsigned char user;
	//DTMF单元对应的用户
} xdata audio_dtmf_resource[AUDIO_MAX];
//收号器和提示音资源

extern struct yukong_resource_define//语控资源
{
	unsigned char flag;
	//语控单元占用标志
	unsigned char slot;
	//语控单元对应时隙
	unsigned int addr;
	//语控单元地址
	unsigned char user;
	//语控单元对应用户
	unsigned char count;
	//语控单元状态计数
	unsigned char state;
	//语控单元对应状态
}xdata yukong_resource[AUDIO_MAX];//语控资源 

extern unsigned char yukong_count;
//语控资源剩余路数

extern unsigned char xdata audio_dtmf_count;
//剩余提示音资源

extern unsigned char xdata dtmf_test_num;
//DTMF测试通道号

extern unsigned char xdata audio_test_num;
//提示音测试通道号

extern unsigned char xdata test_duan_num;
//测试段号

extern struct chat_mfc_define//MFC资源
{
	unsigned char flag;
	//MFC占用标志 0:空闲 1:占用
	unsigned char buf[2];
	//各路后向MFC数据
	unsigned char buf_p;
	//各路后项MFC数据指针
	unsigned int addr;
	//MFC地址
	unsigned char slot;
	//MFC时隙
	unsigned char delay;
	//MFC单元对应延时
	unsigned char user;
	//MFC单元对应的用户
} xdata chat_mfc_resource[2];
//MFC资源

extern unsigned char xdata mfc_count;
//剩余MFC资源

extern unsigned char xdata mfc_test_num;
//MFC测试通道号

extern bit rv0_flag;				
//串口接收提0标志

extern unsigned char xdata trk_e1_led;	
//数字中继板指示灯状态

extern unsigned int xdata sdbt,sdbh,rvbh,rvbt;
//发送、接收头尾指针

extern unsigned char xdata trk;																		
//呼叫处理中当前中继号

extern unsigned char xdata sdbuf[SDB_LEN];																
//发送缓冲区

extern unsigned char xdata rvbuf[RVB_LEN];																
//接收缓冲区

extern unsigned char xdata p_data[16];																	
//接收后台数据缓冲区

extern unsigned char xdata tone_set;																	
//MT8924混音增益控制

extern unsigned char xdata ID_num_length;
//主叫虚拟号长度

extern unsigned char xdata LAN_num_length;
//局向号长度

extern unsigned char xdata id_call[16];																	
//主叫虚拟号

extern unsigned char xdata sys_temp[TRK_MAX];	
//察看变量

extern unsigned char xdata time_counter;
//用于一分钟定时器

extern unsigned char xdata second;
//主程序计时

extern bit t50_flag;
//50ms中断标志

extern bit t100_flag;
//100ms中断标志

extern unsigned char const xdata DTMF_SLOT[4];									
//四路DTMF收号时隙

extern unsigned int const xdata DTMF_ADDR[4];							
//四路DTMF收号器地址

extern unsigned char xdata send_frame[150];															
//发送HDLC帧

extern unsigned char xdata ns,nr,vs,vr;																
//发送、接收序号

extern unsigned char xdata send_data_start;															
//发送数据头指针

extern unsigned char xdata send_data_length;															
//发送数据长度

extern unsigned char xdata send_inf_flag;																
//发送信息帧标志

extern unsigned char xdata send_ctrl_byte;																
//发送控制字节

extern unsigned char xdata send_77_count;																
//信息帧中77的个数

extern unsigned int xdata rv_start;																	
//HDLC接收头指针

extern unsigned int xdata rv_end;																		
//HDLC接收尾指针

extern unsigned char xdata rv_ctrl_byte;																
//HDLC接收控制字节

extern unsigned char xdata rv_state;																	
//接收状态

extern bit rv_err;																						
//接收错误标志

extern bit decode_flag;																				
//解帧标志

extern unsigned char xdata send_count;																	
//成功解帧计数

extern unsigned char xdata send_RR[6];																	
//强制RR帧发送

extern bit voltage_low_flag;																			
//电压过低标志

extern bit time_flag;																					
//时钟跟踪标志

extern unsigned char xdata time_route;																	
//时钟跟踪路数

extern unsigned int const xdata audio_duan_addr[53];
//存放ISD4002中的段地址

extern unsigned char const xdata dtmf_send_slot[14];
//双音多频时隙表
//分别存储800Hz测试音、1~12、
//450Hz测试音的双音多频数据

extern unsigned int const xdata DS21554_ADDR[4];						
//DS21554地址