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标题: 固网终端中的DTMF软拨号基础程序 [查看完整版帖子] [打印本页]

时间: 2007-12-28 16:47

作者: 缘份 标题: 固网终端中的DTMF软拨号基础程序

; dtmf dial ; fx=8M ;===================================================== .include "sys.h" .include "def_macro.h" .include "sys_var.h" .include "InterruptServer.h".global DialOutController_DialOut .global DialOutController_Initial .global DialOutController_SetIndex .global DialOutController_Int_TimerA .global DialOutController_Int_DA_sr_DA_OUT  equ  _doc_data _sr_DTMF_FLAG equ  _doc_flagbDIAL_INP  equ  0 bFINISH   equ  1cDIAL_TIME equ 50 ;25   ;0x600*(286/8000000)=54.912ms cDTSLI_TIME equ 100 ;50  ;(0xc00-0x600)*286/8000000=54.912ms;DACNT_TBL is the da numbers in one sin wave of a frequency DACNT_TBL: DW 86,78,71,64,50,45,41,37 ;DTRANS_TBL is used to calculate the two freq for one number DTRANS_TBL: DW 0DH, 00H, 01H, 02H, 04H, 05H, 06H, 08H, 09H, 0AH, 0CH, 0EH, 0BH, 0FH, 03H, 07H; '*'->0AH, '#'->0BH ; the DA out table ;×××××××频率低采样个数多，频率高采样点少×××××××××× F_697:  DW 0X1C0,0X1E0,0X201,0X221,0X241,0X260,0X27E,0X29B,0X2B7,0X2D1,0X2EA,0X302,0X318,0X32C,0X33E,0X34E,0X35C,0X368,0X371,0X378  DW 0X37D,0X37F,0X37F,0X37D,0X378,0X371,0X368,0X35C,0X34E,0X33E,0X32C,0X318,0X302,0X2EA,0X2D1,0X2B7,0X29B,0X27E,0X260,0X241  DW 0X221,0X201,0X1E0,0X1C0,0X19F,0X17E,0X15E,0X13E,0X11F,0X101,0XE4,0XC8,0XAE,0X95,0X7D,0X67,0X53,0X41,0X31,0X23  DW 0X17,0XE,0X7,0X2,0X0,0X0,0X2,0X7,0XE,0X17,0X23,0X31,0X41,0X53,0X67,0X7D,0X95,0XAE,0XC8,0XE4  DW 0X101,0X11F,0X13E,0X15E,0X17E,0X19FF_770:  DW 0X1C0,0X1E4,0X207,0X22B,0X24D,0X26F,0X290,0X2AF,0X2CD,0X2E9,0X303,0X31B,0X330,0X343,0X354,0X362,0X36E,0X376,0X37C,0X37F  DW 0X37F,0X37C,0X376,0X36E,0X362,0X354,0X343,0X330,0X31B,0X303,0X2E9,0X2CD,0X2AF,0X290,0X26F,0X24D,0X22B,0X207,0X1E4,0X1C0  DW 0X19B,0X178,0X154,0X132,0X110,0XEF,0XD0,0XB2,0X96,0X7C,0X64,0X4F,0X3C,0X2B,0X1D,0X11,0X9,0X3,0X0,0X0  DW 0X3,0X9,0X11,0X1D,0X2B,0X3C,0X4F,0X64,0X7C,0X96,0XB2,0XD0,0XEF,0X110,0X132,0X154,0X178,0X19BF_852:  DW 0X1C0,0X1E7,0X20E,0X235,0X25B,0X27F,0X2A2,0X2C4,0X2E3,0X300,0X31A,0X332,0X347,0X358,0X367,0X372,0X37A,0X37F,0X37F,0X37D  DW 0X377,0X36D,0X360,0X350,0X33D,0X326,0X30D,0X2F2,0X2D3,0X2B3,0X291,0X26D,0X248,0X222,0X1FB,0X1D3,0X1AC,0X184,0X15D,0X137  DW 0X112,0XEE,0XCC,0XAC,0X8D,0X72,0X59,0X42,0X2F,0X1F,0X12,0X8,0X2,0X0,0X0,0X5,0XD,0X18,0X27,0X38  DW 0X4D,0X65,0X7F,0X9C,0XBB,0XDD,0X100,0X124,0X14A,0X171,0X198F_941:  DW 0X1C0,0X1EB,0X217,0X242,0X26B,0X293,0X2B8,0X2DC,0X2FC,0X31A,0X334,0X34B,0X35D,0X36C,0X377,0X37D,0X380,0X37D,0X377,0X36C  DW 0X35D,0X34B,0X334,0X31A,0X2FC,0X2DC,0X2B8,0X293,0X26B,0X242,0X217,0X1EB,0X1C0,0X194,0X168,0X13D,0X114,0XEC,0XC7,0XA3  DW 0X83,0X65,0X4B,0X34,0X22,0X13,0X8,0X2,0X0,0X2,0X8,0X13,0X22,0X34,0X4B,0X65,0X83,0XA3,0XC7,0XEC  DW 0X114,0X13D,0X168,0X194F_1209:  DW 0X240,0X288,0X2CF,0X314,0X355,0X392,0X3CA,0X3FB,0X426,0X449,0X463,0X475,0X47E,0X47E,0X475,0X463,0X449,0X426,0X3FB,0X3CA  DW 0X392,0X355,0X314,0X2CF,0X288,0X240,0X1F7,0X1B0,0X16B,0X12A,0XED,0XB5,0X84,0X59,0X36,0X1C,0XA,0X1,0X1,0XA  DW 0X1C,0X36,0X59,0X84,0XB5,0XED,0X12A,0X16B,0X1B0,0X1F7F_1336:  DW 0X240,0X290,0X2DE,0X32A,0X371,0X3B2,0X3EC,0X41D,0X445,0X463,0X477,0X47F,0X47C,0X46E,0X456,0X432,0X405,0X3D0,0X392,0X34E  DW 0X305,0X2B7,0X268,0X217,0X1C8,0X17A,0X131,0XED,0XAF,0X7A,0X4D,0X29,0X11,0X3,0X0,0X8,0X1C,0X3A,0X62,0X93  DW 0XCD,0X10E,0X155,0X1A1,0X1EFF_1477:  DW 0X240,0X297,0X2ED,0X33F,0X38B,0X3CF,0X40A,0X43A,0X45E,0X475,0X47F,0X47C,0X46B,0X44D,0X423,0X3EE,0X3AE,0X366,0X317,0X2C3  DW 0X26C,0X213,0X1BC,0X168,0X119,0XD1,0X91,0X5C,0X32,0X14,0X3,0X0,0XA,0X21,0X45,0X75,0XB0,0XF4,0X140,0X192  DW 0X1E8F_1633:  DW 0X240,0X2A1,0X2FF,0X358,0X3A9,0X3F0,0X42A,0X456,0X473,0X47F,0X47B,0X466,0X442,0X40F,0X3CE,0X382,0X32D,0X2D1,0X270,0X20F  DW 0X1AE,0X152,0XFD,0XB1,0X70,0X3D,0X19,0X4,0X0,0XC,0X29,0X55,0X8F,0XD6,0X127,0X180,0X1DE ;FREQ_INDEX is the adresss for the sin data FREQ_COM_TBL DW F_697,F_770,F_852,F_941,F_1209,F_1336,F_1477,F_1633TMR16_CON DB 1 ; 子程序=>>DialOutController_Initial:   retDialOutController_SetIndex:  cp r3,#0bh  jp UGT,_set_index_fail  ld _doc_index,r3  jp _set_index_exit _set_index_fail:  ld r3,#0fh  ld _doc_index,r3  _set_index_exit:  ret    DialOutController_Int_TimerA:  LD  R0,_sr_DA_OUT  BITS ADCON.5     LD  DADATA,R0  LD  DADATA,R0  LD  DADATA,R0  LD  DADATA,R0  BITS _sr_DTMF_FLAG.bFINISH   ret   DialOutController_Int_DA:    ret      ;------------拨号程序>>----------------  ;    PUBLIC _fun_DTMF_DIAL ;********************************************** ;*_FUN_DIAL ;*FUNCTION: DIAL (NUMBER) ;*OUTPUT: DTMF wave ;*HW STACK: USED 1+1=2 LEVEL ;*SW STACK: USED 0 BYTES ;*USED:  NUM_COUNTER,L_FQ_DA_NUM,H_FQ_DA_NUM,LOW_FREQ_I,HIGH_FREQ_I,LOW_F_CNTR,HIGH_F_CNTR,TIMECNTR ;*   IDH,IDL0,ILH,ILL,TBL,TBH,R0,R1,R2,R3_tr_MAC_TMP0[0-1] ;*          FLAG C(Z,NZ) ;********************************************** ;tempdata STACK_SIZE .SETVAR 0 _tm_LOWFDA_CNT  EQU STACK_SIZE ;DA num in one cycle of  low frequency wave STACK_SIZE .SETVAR STACK_SIZE+1 _tm_HIGFDA_CNT  EQU STACK_SIZE ;DA num in one cycle of  high frequency wave STACK_SIZE .SETVAR STACK_SIZE+1 _tm_LOWF_INDEX  EQU STACK_SIZE ;STORE LOW FREQUENCY SIN DATA ADDRESS STACK_SIZE .SETVAR STACK_SIZE+2 _tm_HIGF_INDEX  EQU STACK_SIZE ;STORE HIGH FREQUENCY SIN DATA ADDRESS STACK_SIZE .SETVAR STACK_SIZE+2 _tm_LOWF_CNTR  EQU STACK_SIZE ;low freq counter STACK_SIZE .SETVAR STACK_SIZE+1 _tm_HIGF_CNTR  EQU STACK_SIZE ;high freq counter STACK_SIZE .SETVAR STACK_SIZE+1 _tm_TIME_CNTR  EQU STACK_SIZE ;counter to control the output time STACK_SIZE .SETVAR STACK_SIZE+2bDTMF_FINISH  EQU  bFINISH ;*-------------------------------------------------------------- ; Func: _fun_DTMF_DIAL, ; Input: _doc_index, the number to dial out ;*--------------------------------------------------------------DialOutController_DialOut:   bitr p4.0   _macro_ALLOC STACK_SIZE      ld r3,#IS_TIMER_A_DIALOUT   lcall InterruptServer_Regist   ld r3,#IS_DA_DIALOUT   lcall InterruptServer_Regist      ld r3,_doc_index   cp r3,#0fh   jp z,_dial_out_exit      BMS   LD R0, #<DTRANS_TBL ; Transfe from number to position   LD ILH, R0   LD R0, #>DTRANS_TBL   ADD R0, R3   LD ILL, R0   LDC @IL   LD R2, TBL   LD R3, R2   ; Get the DA count for the frequent combination   SR R3   SR R3   AND R2, #3   ; R2 for high freq, R3 for low freq   ADD R2, #4   LD R0, #<DACNT_TBL   LD ILH, R0   LD R0, #>DACNT_TBL   ADD R0, R3   LD ILL, R0   LDC @IL   LD R0, TBL   _macro_WRITE _tm_LOWFDA_CNT, R0   LD R0, #>DACNT_TBL   ADD R0, R2   LD ILL, R0   LDC @IL   LD R0, TBL   _macro_WRITE _tm_HIGFDA_CNT, R0   LD R0, #<FREQ_COM_TBL ; Get the freq combination index   LD ILH, R0   LD R0, #>FREQ_COM_TBL   ADD R0, R3   LD ILL, R0   LDC @IL   LD R0, TBH   _macro_WRITE _tm_LOWF_INDEX, R0   LD R0, TBL   _macro_WRITE _tm_LOWF_INDEX+1, R0   LD R0, #>FREQ_COM_TBL   ADD R0, R2   LD ILL, R0   LDC @IL   LD R0, TBH   _macro_WRITE _tm_HIGF_INDEX, R0   LD R0, TBL   _macro_WRITE _tm_HIGF_INDEX+1, R0   LD R0, #0   _macro_WRITE _tm_LOWF_CNTR, R0   _macro_WRITE _tm_HIGF_CNTR, R0   _macro_WRITE _tm_TIME_CNTR, R0   _macro_WRITE _tm_TIME_CNTR+1, R0   BITS _sr_DTMF_FLAG.bDIAL_INP    ; Set the timer A for DTMF usage   LD R0, TACON  &nbsp

USH R0   LD R0, #43H  ; timer A run, Fxx/1   LD TACON, R0   LD R0, TADATA  &nbsp

USH R0   LD R0, #134; the FREQ dividor   LD TADATA, R0   BITS ADCON.6   ; Enable the DA int  ; Backup the interrupt setting   DI   LD R0, IMR00  &nbsp

USH R0   LD R0, #00   LD IMR00, R0   LD R0, IMR01  &nbsp

USH R0   LD R0, #00   LD IMR01, R0   LD R0, IMR1  &nbsp

USH R0    LD R0, #00    LD IMR1, R0 ; Initial the interrupt setting     BITS ADCON.5    ; Enable the AD/DA clk   BITS IMR00.0    ; Enable the DA INT   BITS IMR00.1    ; Enable timer A   BITS DACON.0    ; Enable DA   EI ; Dial out the DTMF wave  DA_LOOP:   _macro_READ R2, _tm_LOWF_INDEX ; Get the low freq DA out   _macro_READ R0, _tm_LOWF_INDEX+1   _macro_READ R1, _tm_LOWF_CNTR   ADD R0, R1   INCC R2   LD ILH, R2   LD ILL, R0   LDC @IL   LD R0, TBL   PUSH R0   LD R1, TBH   _macro_READ R0, _tm_HIGF_INDEX ; Get the high freq DA out   _macro_READ R2, _tm_HIGF_INDEX+1   _macro_READ R3, _tm_HIGF_CNTR   ADD R2, R3   INCC R0   LD ILH, R0   LD ILL, R2   LDC @IL   LD R2, TBL   LD R3, TBH   POP R0   ADD R0, R2   ADC R1, R3   SR R1   RRC R0   SR R1   RRC R0   SR R1     RRC R0   _macro_READ R1, _tm_LOWF_CNTR ; loop the DTMF wave   INC R1   _macro_READ R2, _tm_LOWFDA_CNT   CP R1, R2   Jp ULE, %F1   LD R1, #0  %1:    _macro_WRITE _tm_LOWF_CNTR, R1   _macro_READ R1, _tm_HIGF_CNTR   INC R1   _macro_READ R2, _tm_HIGFDA_CNT   CP R1, R2   Jp ULE, %F2   LD R1, #0  %2:    _macro_WRITE _tm_HIGF_CNTR, R1   LD _sr_DA_OUT, R0  WAIT_DA:   NOP    BITT _sr_DTMF_FLAG.bFINISH   Jp Z, WAIT_DA   BMS   BITR _sr_DTMF_FLAG.bFINISH   _macro_READ R0, _tm_TIME_CNTR ; output enough long time   _macro_READ R1, _tm_TIME_CNTR+1   INC R1   INCC R0   _macro_WRITE _tm_TIME_CNTR, R0   _macro_WRITE _tm_TIME_CNTR+1, R1   CP R1, #0   Jp NZ, DA_LOOP   CP R0, #cDIAL_TIME   Jp ULE, DA_LOOP      LD R0, #7FH   ; output enough long empty time   LD _sr_DA_OUT, R0  DTMF_WTIME:   NOP    BITT _sr_DTMF_FLAG.bDTMF_FINISH    Jp Z, DTMF_WTIME   BITR _sr_DTMF_FLAG.bDTMF_FINISH   _macro_READ R0, _tm_TIME_CNTR   _macro_READ R1, _tm_TIME_CNTR+1   INC R1   INCC R0   _macro_WRITE _tm_TIME_CNTR, R0   _macro_WRITE _tm_TIME_CNTR+1, R1   CP R1, #0   Jp NZ, DTMF_WTIME   CP R0, #cDTSLI_TIME   Jp ULE, DTMF_WTIME      BITR _sr_DTMF_FLAG.bDIAL_INP ; Disable the DA clk and interrupt  DI   BITR ADCON.5  ; Disable the AD/DA clk   BITR DACON.0  ; Disable the DA ; Restore the IMR     POP R0   LD IMR1, R0   POP R0   LD IMR01, R0   POP R0   LD IMR00, R0   POP R0   LD TADATA, R0   POP R0   LD TACON, R0   EI    _dial_out_exit:   ld r3,#IS_TIMER_A_DIALOUT   lcall InterruptServer_Unregist   ld r3,#IS_DA_DIALOUT   lcall InterruptServer_Unregist  _macro_FREE STACK_SIZE   bits p4.0      RET .end

时间: 2007-12-28 17:00

作者: gofay

头疼

时间: 2007-12-28 19:23

作者: rafequ

看不懂啊

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