📄 modem_globals.h
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* Here is what values mean
Par # Parameter Description Range Reference
1 Pulse dial make time 0-255 ATD
2 Pulse dial break time 0-255 ATD
3 Pulse dial digit pattern 1 = normal, 2 = Sweden, ATD
3 = Norway
4 DTMF high tone level in dB with implied minus sign 0-255 ATD
5 Min. DTMF dial speed in ms 0-255 S11
6 Max. DTMF dial speed in ms 0-255 S11
7 Call progress detection threshold in dB with implied minus 0-255
sign
8 Dial tone delay, i.e., waiting time before dial tone 0-255
detection begins in multiples of 10 ms
9 Dial tone hole time in ms 0-255
a Delay before resetting ring count to 0, in multiples of 100 0-255
ms
b Min. ring count for auto-answer 0-255 S0
c Max. ring count for auto-answer 0-255 S0
d Min. ring signal period = 0-255
1000/(0.833 x Max. ring frequency)
e Max. ring signal period = 0-255
1000/(0.833 x Min. ring frequency)
f Min. ring cadence on time, in multiples of 10 ms 0-255
10 Min ring cadence off time, in multiple of 20 ms 0-255
11 Min. busy cadence on time, in multiples of 10 ms 0-255; If 0, use the standard
busy detection algorithm;
otherwise, use the country
specific values for cadence
12 Max. busy cadence on time, in multiples of 10 ms 0-255; If 0, use the standard
busy detection algorithm;
otherwise, use the country
specific values for cadence
13 Number of busy cycles required to detect busy condition 0-255
14 Min. busy cadence off time, in multiples of 10 ms 0-255; If 0, use the standard
busy detection algorithm;
otherwise, use the country
specific values for cadence
15 Max. busy cadence off time, in multiples of 10 ms 0-255; If 0, use the standard
busy detection algorithm;
otherwise, use the country
specific values for cadence
16 Continuous # unavailable detection flag 0 = disabled, 1 = enabled
17 Answer tone validation time in multiples of 10 ms 0-255
18 Blacklisting/delayed flag 0 = disabled, 1 = enabled ATD
Par # Parameter Description Range Reference
19 Number of failed attempts allowed before 0-255 ATD
blacklisting
1a Troubled call delay in minutes 0-255 ATD
1b Ineffective call delay in minutes 0-255 ATD
1c Erroneous call delay in minutes 0-255 ATD
1d Blacklisting duration in multiple of 10 minutes 0-255; ATD
0 = only delayed and no blacklisting
255 = no limit (i.e., till power turned off)
1e Over-current sense validation time in 0-255, 0 = current sense disabled. ATA, ATD
multiples of 10 ms
1f Calling tone flag 0 = disabled ATD , S35
1 = enabled, and disable with ^ dial
modifier permitted
2 = enabled, and disable with ^ dial
modifier not permitted
20 Blind dial flag 0 = not permitted ATD , ATX
1 = permitted
2 = permitted with speaker on
21 Busy detect disable (with ATX) flag 0 = not permitted ATD , ATX
1 = permitted
22 Guard tone type 0 = not present & adjustable S37
1 = 550 Hz, 2 = 1800 Hz
23 Bell modes permitted flag 0 = not permitted ATB
1 = permitted
24 Off-hook (ATH1) restrictions 0 = no restrictions ATH1
1 = restricted by S7 duration
2 = not allowed
25 Shunt relay on time during off-hook in 0-255 ATD
multiples of 10 ms. 0 = shunt relay disabled
26 Hook flash time in multiples of 10 ms 0-255 ATD
0 = hook flash not allowed
27 Min. blind dial pause in seconds 0-65 S6
28 Max. blind dial pause in seconds 0-65 S6
29 Min. no answer time-out in seconds 0-65 S7
2a Max. no answer time-out in seconds 0-65 S7
2b Min. dial pause time in seconds 0-65 S8
2c Max. dial pause time in seconds 0-65 S8
2d Min. no carrier disconnect time in multiples of 1-65 S10
100 ms
2e Max. no carrier disconnect time in multiples of 1-255 S10
100 ms
2f Transmit level in dB with implied minus sign 0-255 ATD
30 Dial modifier validation 0 = if an invalid dial modifier is found, treat the -
entire dial string as null (no digits dialed)
1 = ignore invalid dial modifiers
Par # Parameter Description Range Reference
31 TAD receive gain 0-255 -
32 Half/full wave ring detection 0 = halfwave, 1 = fullwave -
33 Number of failed attempts allowed in first stage 0-255 ATD
delayed dialing
34 Number of all failed attempts ( to any number) 0-255 ATD
allowed before any further dial attempts are blocked 255 = not applicable
35 Erroneous call increment count 0-255 ATD
36 Dial tone validation time in multiples of 100 ms 0-255 ATD
37 Busy tone detection during dial tone detection flag 0 = not required, 1 = required ATD
38 DTMF high and low tone level difference in dB 0-255 -
39 Local phone detection in speakerphone 0 = enabled; 1 = disabled -
3a Pulse dialing flag 0 = enabled; 1 = disabled ATD
3b Dial tone/call progress filter index 0 = 340-560 Hz 1 = 310-485 Hz -
2 = 363-502 Hz 3 = 276-504 Hz
4 = 415-460 Hz 5 = 310-640 Hz
3c Dial tone detection threshold in dB 0-255 -
3d ABCD dialing permitted flag 0 = permitted, 1 = not permitted ATD
3e Comma pause duration limit in seconds. (If there are 0-255 ATD
multiple commas between digits, the total pause
duration is limited to the duration set by this
parameter).
3f TAD transmit level in dB 0-255 -
40 Data/FAX carrier receive threshold in dB. There is a 6 0-255 -
dB offset in DSP. This parameter value should set to:
(required threshold [6 dB] DAA gain)
41 No dialtone time-out duration while detecting dialtone 0-255 ATD
with W dial modifier, in seconds
42 FAX/Data answer tone detection threshold in dB 0-255 -
43 Dialtone level (absolute value) 0-255 -
44 FAX receive threshold in dB 0-255 -
45 Pulse and tone dial in same dial string permitted flag 0 = permitted, 1 = not permitted ATD
46 Ringer impedance relay flag 0 = off, 1 = on
47 DC loop V/I characteristics relay flag 0 = off, 1 = on
48 DC loop limiting relay flag 0 = off, 1 = on
49 Real/complex impedance 0x0X = real, Tx & Rx gains set by mercury
internal components. X = Don't care
0x10 = real, Tx gain set by mercury
internal components & Rx gain set by
external components.
0x12 = complex, Tx gain set by mercury
internal components & Rx gain set by
external components. Mercury internal
switch used to select complex impedance.
4a Mercury register CIOCA MSB value-receive gain This parameter is relevant only when a Mercury -
line codec is used.
Par # Parameter Description Range Reference
4b Mercury register CIOCA LSB value-hybrid, This parameter is relevant only when a Mercury -
impedance, etc. line codec is used.
4c Mercury register CIOCB MSB value-transmit gain This parameter is relevant only when a Mercury -
line codec is used.
4d Mercury register CIOCB LSB value-BOM control This parameter is relevant only when a Mercury -
line codec is used.
4e TAD Mercury register CIOCB MSB value-transmit This parameter is relevant only when a Mercury
gain in TAD mode line codec is used.
4f FDSP Mercury register CIOCB MSB value-transmit This parameter is relevant only when a Mercury
gain in speakerphone mode line codec is used.
*/
#define HBASE 0xEE6 /* it is numbered from 1 */
// FIXME: part of byte array starting at 59EFD + 4;
// FIXME: this is actually part of homol[] array
//EXTERN unsigned char byte_59F0B I(0x82);
// Used by modem connection routines.
EXTERN unsigned short x_line_rate, x_line_rate_tx;
EXTERN unsigned short dp_max_line_rate I(0), dp_wV32bisRcvRate I(0);
EXTERN unsigned short wSymbolRate I(0);
EXTERN unsigned int x_modem_ec, x_fax_state;
EXTERN int dp_dialing_status, x_modem_mode;
EXTERN int dp_timer I(0), dp_ocp_timer I(0);
EXTERN struct lt_timer dp_long_timer;
EXTERN unsigned char x_modem_originate;
EXTERN unsigned char ETC_mode;
EXTERN unsigned short word_59E9E, word_59E9C;
EXTERN unsigned char x_test_mode_on, x_parity_mask, x_dma_xfer;
EXTERN unsigned short x_minute_timer, x_minute_count;
EXTERN unsigned int x_minute_timer_long;
EXTERN unsigned char x_parameter_mode;
EXTERN unsigned short word_59EAB, word_59EAF;
// Other stuff.
EXTERN unsigned char cpcpt_value[0xc00];
EXTERN unsigned char D3Flag, dp_calling_tone_disable;
EXTERN unsigned char dp_failures, dp_blacklist_calls;
EXTERN int x_modem_state, x_dial_residual;
EXTERN short dp_wDspRetrainState;
EXTERN unsigned char V34Mode;
// Set up in dp_board_enable with initial values.
EXTERN unsigned int BaseAddressIndex I(0);
EXTERN unsigned int BaseAddressData I(0);
EXTERN unsigned char BaseValue I(0);
// Bodged country list extracted from countries.h.
#define COUNTRY_AUSTRALIA 1
#define COUNTRY_BELGIUM 2
#define COUNTRY_DENMARK 3
#define COUNTRY_FINLAND 4
#define COUNTRY_FRANCE 5
#define COUNTRY_GERMANY 6
#define COUNTRY_NETHERLANDS 7
#define COUNTRY_ITALY 8
#define COUNTRY_NEW_ZEALAND 9
#define COUNTRY_NORWAY 10
#define COUNTRY_SPAIN 11
#define COUNTRY_SWEDEN 12
#define COUNTRY_SWITZERLAND 13
#define COUNTRY_UNITED_KINGDOM 14
#define COUNTRY_AUSTRIA 15
#define COUNTRY_JAPAN 16
#define COUNTRY_PRC 17
#define COUNTRY_KOREA 18
#define COUNTRY_MALAYSIA 19
#define COUNTRY_SINGAPORE 20
#define COUNTRY_TAIWAN 21
#define COUNTRY_THAILAND 22
#define COUNTRY_INDONESIA 23
#define COUNTRY_PORTUGAL 24
#define COUNTRY_NORTH_AMERICA 25
#define COUNTRY_IRELAND 26
#define COUNTRY_HONG_KONG 27
#define COUNTRY_CANADA 28
#define COUNTRY_MEXICO 29
#define COUNTRY_INDIA 30
#define COUNTRY_VIETNAM 31
#define COUNTRY_PHILIPPINES 32
#define COUNTRY_GREECE 33
#define COUNTRY_HUNGARY 34
#define COUNTRY_TURKEY 35
#define COUNTRY_SOUTH_AFRICA 36
#define COUNTRY_POLAND 37
#define COUNTRY_SLOVENIA 38
#define COUNTRY_SLOVAKIA 39
#define COUNTRY_CZECH_REPUBLIC 40
#define COUNTRY_LUXEMBOURG 41
#define COUNTRY_EUROPE 42
#define COUNTRY_BRAZIL 43
#define COUNTRY_BULGARIA 44
#define COUNTRY_CYPRUS 45
#define COUNTRY_ICELAND 46
#define COUNTRY_RUSSIA 47
#define vendor S[0x75]
// V80 stuff.
EXTERN unsigned char V80_Options[20];
EXTERN unsigned short v80_tx_timer, v80_rx_timer;
EXTERN unsigned char v80_retrain;
#endif
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