cid.asm

实现dtmf fsk软件解码

Demo_CID_2_DTMF_DB	.section        'data'
; define the constant values and variables to receive DTMF CID
	; ================================================================================================
	; ====== define the output valus of the HT9170 data bus ==========================================
	; ================================================================================================
	DTMFCode_1		equ	001H	;1_697_1209
	DTMFCode_4		equ	004H   	;4_770_1209
	DTMFCode_7		equ	007H    ;7_852_1209
	DTMFCode_E		equ	00EH    ;*_941_1209
	DTMFCode_2		equ	002H    ;2_697_1336
	DTMFCode_5		equ	005H    ;5_770_1336
	DTMFCode_8		equ	008H    ;8_852_1336
	DTMFCode_0		equ	000H    ;0_941_1336
	DTMFCode_3		equ	003H    ;3_697_1477
	DTMFCode_6		equ	006H    ;6_770_1477
	DTMFCode_9		equ	009H    ;9_852_1477
	DTMFCode_F		equ	00FH    ;#_941_1477
	DTMFCode_A		equ	00AH    ;A_697_1633
	DTMFCode_B		equ	00BH    ;B_770_1633
	DTMFCode_C		equ	00CH    ;C_852_1633
	DTMFCode_D		equ	00DH    ;D_941_1633


	; ================================================================================================
	; ====== define the variables to receive the DTMF CID ============================================
	; ================================================================================================
	StartReceiveDTMFCode	dbit
		; 1 ==> the DTMF CID has been received(one DTMF Tone Code has received at least)
	Receive_DTMFCID_Ok	dbit
		; 1 ==> the DTMF CID message is ending


Demo_CID_2_FSK_DB	.section        'data'
	; ================================================================================================
	; ====== define the constant values and variables to receive FSK CID =============================
	; ================================================================================================
	FSK_Packet_Data		equ temp[0]
		; this variable is used to store the FSK_packet_data of the FSK decoder
		; it shared the same RAM byte with Temp[0]

	; the followings are the parameter type of the FSK MSDF CID message
	FSK_80H_Date_Type	  equ	01H
	FSK_80H_TEL_Type	  equ   02H
	FSK_80H_TelAbsent_Type	  equ	04H
	FSK_80H_Name_Type	  equ   07H
	FSK_80H_NameAbsent_Type	  equ	08H
	FSK_80H_Visual_Indicator  equ   0BH

	; the followings are the index of the CID_RAM_Area, which is used to store the received CID
	Error_Message_Index	equ	1	; the "Error Message" is stored from this index of the CID_RAM_Area
	Parameter_Message_Index	equ	1	; the "Error Message" is stored from this index of the CID_RAM_Area
	Date_Time_Index		equ	2       ; the "Date and Time" is stored from this index of the CID_RAM_Area
	Month_Index		equ	2       ; the "Month        " is stored from this index of the CID_RAM_Area
	Day_Index		equ	3       ; the "Day          " is stored from this index of the CID_RAM_Area
	Hour_Index		equ	4       ; the "Hour         " is stored from this index of the CID_RAM_Area
	Min_Index		equ	5       ; the "Min          " is stored from this index of the CID_RAM_Area
	TEL_Index		equ	7       ; the "TEL number   " is stored from this index of the CID_RAM_Area
	Name_Index		equ	16	; the "Name         " is stored from this index of the CID_RAM_Area

; ================================================================================================
; ====== the following are the common declarations for the caller ID function ====================
; ================================================================================================
	CIDRAM_TOP_Bank		equ	2
		; define the first bank of the CID_RAM_Area
	CIDRAM_Bottom_Bank	equ	10
		; define the last  bank of the CID_RAM_Area
	CIDdataIndex		equ	temp[4]
	; The new received CID message are store to the Received_CID_mp0, which length is 32 bytes, temporarily.
	; This variable points the RAM byte of the CIDdataIndex which will store the next received CID data

	Read_Unread		equ	Receive_DTMFCID_Ok
		; the new received CID message should be compared with the CIDs of the CID_RAM_Area
		; 1 ==> be compared with   read CID
		; 0 ==> be compared with unread CID
	oldest_mp0_bp		equ	HTK_DTMFCode
		; this byte is used to store the BP and MP1 of the CID_RAM_Area, which with the most ancient Date
		; high byte: address, low byte: RAM bank
	OldestMonth		equ	temp[5]         ; the Month value of the most ancient Date
	OldestDay		equ	temp[6]         ; the Day   value of the most ancient Date
	OldestHour		equ	temp[7]         ; the Hour  value of the most ancient Date
	OldestMin		equ	temp[8]         ; the Min   value of the most ancient Date
	CMonth			equ	temp[9]		; the Month value of the current time
	CDay			equ	temp[10]        ; the Day   value of the current time
	CHour			equ	temp[11]        ; the Hour  value of the current time
	CMin			equ	temp[12]        ; the Min   value of the current time
	TempMonth		equ     temp[13]        ; the Month value to be compared
	TempDay			equ     temp[14]        ; the Day   value to be compared
	TempHour		equ     temp[15]        ; the Hour  value to be compared
	TempMin			equ     temp[16]        ; the Min   value to be compared

	Too_Long_Digit		equ     temp[15]
	; non zero data ==> the length of the telephone numbers exceed 16(excluding 16)

	Received_FSK_Date_No	equ	temp[16]
	; in the data structure of the Received_CID_mp0, no any byte is used to record the length of the Date
	; this byte is used to record how many data of the date should be received

	MaxRecordMessage	equ	(CIDRAM_Bottom_Bank - CIDRAM_TOP_Bank + 1)*6
		; how many CIDs should be store to the CID_RAM_Area

	Temp100		equ		StartReceiveDTMFCode


HTK_SoftData		.section	common	'data'
;================================================================================================
;=====  All the byts declared with "db" or "dbit" share some of the RAM address of SoftCID   ====
;================================================================================================
	NoUse50			db	13 	dup	(?)	; don't use this area
	NoUse51			db	23 	dup	(?)	; don't use this area
	SoftFSKBit_TCounter0	equ	Temp[2]			; used to time if the FSK decoder is timeout
	SoftFSKBit_TCounter1	equ	Temp[1]

	SoftFSKBitCount		db	?
	; To count how many data should be sampled in this FSK Bit data
	SoftFSKBitTimeout	dbit				; timeout is occurred while the FSK is decoder by software

	CIDTimeOut1		db	?
		; The Timer1 IRQ of the "Main" program is generated per 10ms.
		; This variable is decreased by one in the Timer1 IRQ,
		; it could be used as the timer to receive the CID message.

	FSK_Total_Length	db	?
		; how many FSK data should be received, this is the FSK Message Length
	FSK_type_Length		db	?
		; how many FSK type data have been received,
		; this data could be date, phone number or name

	MaxFSKByte		db      ?
	; after the FSK CID preamble 55H is received,
	; the FSK Message Type(04H, 06H, 80H, 82H) should be received within 255 FSK Packet Data
	; this byte is used to count the FSK packet data

	ReceiveWhyAbsent	dbit
		; 1 ==> the parameter(why absent) has been received
		; 0 ==> the parameter(why absent) has not been received

	WaitingMessage		dbit			; For FSK_82H and FSK_06H command
		; 1 ==> the message is leaving in the SPCS(Stored Program Controlled Switching System)

	AbsentReason		db	?
		; define the reason of the absence
		; 1 => the reason of absenceReason is detected
		FSK_TooShort	equ	AbsentReason.7
		WhyAbsent	equ	AbsentReason.6
		ErrorMessage	equ	AbsentReason.4
		TEL_OutOfArea	equ	AbsentReason.3
		TEL_Private	equ	AbsentReason.2
		Name_OutOfArea	equ	AbsentReason.1
		Name_Private	equ	AbsentReason.0

	FSKType			db	?	; for multiple data message format
		; this variable is used to denote which parameter type of the FSK data is receiving
		FSK_Date	equ	0
		FSK_TEL		equ	1
		FSK_Name	equ	2
		FSK_TelAbsent	equ	3
		FSK_NameAbsent	equ	4
		FSK_Visual_Indicator	equ	5
		 ; = 00000001B ==> FSK	Date			01H
		 ; = 00000010B ==> FSK  TEL  			02H
		 ; = 00000100B ==> FSK  Name 			07H
		 ; = 00001000B ==> FSK  TEL Absent 		04H
		 ; = 00010000B ==> FSK  Name Absent 		08H
		 ; = 00100000B ==> FSK  Visual_Indicator	0BH