/* * "Voice" support for ltmodem * * Actually, as long as we don't want to use onboard DSP, * this is going to be used not only for voice but for * _everything_. * * Copyright 1999 Pavel Machek, distribute under GPL */#ifndef LT_VOICE_H#define LT_VOICE_H 1#include <sys/time.h>#include <sys/types.h>#include "config.h"#include "irq.h"#include "portIO.h"#include "control.h"int dp_spk_volume;void voice_init(void);int voice_transmit(int fd_to_exit);int dp_dualport_vc_Rc(void);int dp_dualport_vc_Tx(void);void dp_download_fdsp(void);void dp_init_fdsp(void);
void dp_mute_fdsp(int arg);void dp_stop_fdsp(void);void dp_fdsp_record_start(void);/* Strange, dp_start_spkphone is always called with 0 as argument ? */void dp_start_spkphone(int arg);void dp_init_hdsp(void);void dp_start_hdsp(void);void dp_switch_fdsp(void);/* * Ouch, speakerphone is _not_ what is interesting for us. * TAD mode (telephone answering device) IS! */void dp_download_tad(void);void dp_detect_dtmf(void);void dp_start_tad(int arg);void dp_synth_ring_freq1(void);void dp_synth_ring_freq2(void);void dp_synth_ring_init(void);void dp_synth_ring_on(void);void dp_synth_ring_off(void);// DSP code (defined in dsp.c).extern unsigned char wDspFdsp[];extern unsigned char wDspTad[];// Stuff robbed from jamie.cint io_voice_count, io_voice_count_rx;int dp_vt_cntrl, dp_vsp, dp_monitor_hec, dp_dialtone_enable;int dp_dualport_vc_Tx(void);int dp_dualport_vc_Rc(void);void dp_apollo_command(int a8, int aC, int a10, int a14, int a18, int a1c, int a20, int a24);#endif