diff options
Diffstat (limited to 'drivers/isdn/hardware/eicon/capidtmf.h')
| -rw-r--r-- | drivers/isdn/hardware/eicon/capidtmf.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/drivers/isdn/hardware/eicon/capidtmf.h b/drivers/isdn/hardware/eicon/capidtmf.h deleted file mode 100644 index 0a9cf59bb224..000000000000 --- a/drivers/isdn/hardware/eicon/capidtmf.h +++ /dev/null @@ -1,79 +0,0 @@ - -/* - * - Copyright (c) Eicon Networks, 2002. - * - This source file is supplied for the use with - Eicon Networks range of DIVA Server Adapters. - * - Eicon File Revision : 2.1 - * - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - * - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY - implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. - See the GNU General Public License for more details. - * - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ -#ifndef CAPIDTMF_H_ -#define CAPIDTMF_H_ -/*---------------------------------------------------------------------------*/ -/*---------------------------------------------------------------------------*/ -#define CAPIDTMF_TONE_GROUP_COUNT 2 -#define CAPIDTMF_LOW_GROUP_FREQUENCIES 4 -#define CAPIDTMF_HIGH_GROUP_FREQUENCIES 4 -#define DSPDTMF_RX_SENSITIVITY_LOW_DEFAULT 50 /* -52 dBm */ -#define DSPDTMF_RX_SENSITIVITY_HIGH_DEFAULT 50 /* -52 dBm */ -#define DSPDTMF_RX_HIGH_EXCEEDING_LOW_DEFAULT 10 /* dB */ -#define DSPDTMF_RX_LOW_EXCEEDING_HIGH_DEFAULT 10 /* dB */ -#define DSPDTMF_RX_HARMONICS_SEL_DEFAULT 12 /* dB */ -#define CAPIDTMF_RECV_BASE_FREQUENCY_COUNT (CAPIDTMF_LOW_GROUP_FREQUENCIES + CAPIDTMF_HIGH_GROUP_FREQUENCIES) -#define CAPIDTMF_RECV_GUARD_FREQUENCY_COUNT 8 -#define CAPIDTMF_RECV_TOTAL_FREQUENCY_COUNT (CAPIDTMF_RECV_BASE_FREQUENCY_COUNT + CAPIDTMF_RECV_GUARD_FREQUENCY_COUNT) -#define CAPIDTMF_RECV_POSITIVE_COEFF_COUNT 16 -#define CAPIDTMF_RECV_NEGATIVE_COEFF_COUNT (CAPIDTMF_RECV_TOTAL_FREQUENCY_COUNT - CAPIDTMF_RECV_POSITIVE_COEFF_COUNT) -#define CAPIDTMF_RECV_ACCUMULATE_CYCLES 205 -#define CAPIDTMF_RECV_FUNDAMENTAL_OFFSET (0xff35L * 2) -#define CAPIDTMF_RECV_FUNDAMENTAL_DECREMENT (0x0028L * 2) -#define CAPIDTMF_RECV_DIGIT_BUFFER_SIZE 32 -#define CAPIDTMF_RECV_STATE_IDLE 0x00 -#define CAPIDTMF_RECV_STATE_DTMF_ACTIVE 0x01 -typedef struct tag_capidtmf_recv_state -{ - byte digit_buffer[CAPIDTMF_RECV_DIGIT_BUFFER_SIZE]; - word digit_write_pos; - word digit_read_pos; - word indication_state; - word indication_state_ack; - long goertzel_buffer[2][CAPIDTMF_RECV_TOTAL_FREQUENCY_COUNT]; - word min_gap_duration; - word min_digit_duration; - word cycle_counter; - word current_digit_on_time; - word current_digit_off_time; - byte current_digit_value; - byte state; -} t_capidtmf_recv_state; -typedef struct tag_capidtmf_state -{ - byte ulaw; - t_capidtmf_recv_state recv; -} t_capidtmf_state; -word capidtmf_recv_indication(t_capidtmf_state *p_state, byte *buffer); -void capidtmf_recv_block(t_capidtmf_state *p_state, byte *buffer, word length); -void capidtmf_init(t_capidtmf_state *p_state, byte ulaw); -void capidtmf_recv_enable(t_capidtmf_state *p_state, word min_digit_duration, word min_gap_duration); -void capidtmf_recv_disable(t_capidtmf_state *p_state); -#define capidtmf_indication(p_state, buffer) (((p_state)->recv.indication_state != (p_state)->recv.indication_state_ack) ? capidtmf_recv_indication(p_state, buffer) : 0) -#define capidtmf_recv_process_block(p_state, buffer, length) { if ((p_state)->recv.state != CAPIDTMF_RECV_STATE_IDLE) capidtmf_recv_block(p_state, buffer, length); } -/*---------------------------------------------------------------------------*/ -/*---------------------------------------------------------------------------*/ -#endif |