main.h

小区可视对讲键盘检测程序.利用pt6964芯片.

//-----------------------------
//DEFINES
//-------------------------------
#define SYMBLE_F   	 		11
#define SYMBLE_SUBM   		12
#define SYMBLE_SUBL   		13
#define SYMBLE_E   	  		14
#define SYMBLE_R   			15
#define SYMBLE_O   			16
#define STATE_FREE					0
#define STATE_FREE_NOCALL			0
#define STATE_FREE_CALLING			7
#define STATE_FORCIBLETALK			248
#define STATE_FUNCSELECT			240
#define STATE_CALLINGCENTER			232
#define STATE_FOURTHFUNC			32
#define STATE_FOURTHFUNC_PREIDENTY	0
#define STATE_FOURTHFUNC_POSIDENTY	1
#define STATE_FOURTHFUNC_WAITGUESTREADY	2
#define STATE_FOURTHFUNC_GUESTREADY	3
#define STATE_FOURTHFUNC_WAITDONE	4


#define STATE_EIGHTEENTHFUNC			144
#define STATE_EIGHTEENTHFUNC_PREIDENTY	0
#define STATE_EIGHTEENTHFUNC_POSIDENTY	1
#define STATE_EIGHTEENTHFUNC_WAITREADY	2



#define STATE_FIRSTFUNC				8
#define STATE_EIGHTEENTHFUNC		144

//-----------------------------
//协议定义
//-----------------------------
#define CALLGUEST_BEGIN 	0xf8
#define CALLGUEST_CANCLE 	0xff
#define CALLCENTER_BEGIN 	0xf0
#define CALLCENTER_CANCLE 	0xf7
#define FOURTHFUNC_BEGIN 	0x20
#define FOURTHFUNC_OLD 		0x21
#define FOURTHFUNC_NEW 		0x23
#define FOURTHFUNC_CANCLE 	0x27
#define COMMAND_HEADER 		0xaa

#define EIGHTEENTHFUNC_BEGIN 0x90
#define EIGHTEENTHFUNC_MASK 0x91
#define EIGHTEENTHFUNC_CANCLE 0x97