#define BUTTON_IDLE 0
#define BUTTON_PRESSED 1
#define BUTTON_RELEASED 2


#define MAX_FLOWCNT 31
#define MAX_DEVNAMES 10
#define MAX_LOWSPEED 10
#define ABOVE_MAX_SPEED 768000

extern int spurcancel_flag;
extern int spurinit_flag;
extern int autospur_point;
extern int hand_key;
extern int kill_all_flag;
extern char lbutton_state;
extern char rbutton_state;
extern char new_lbutton_state;
extern char new_rbutton_state;
extern int lir_errcod;
extern int all_threads_started; 
extern int latest_listsend_time;
extern int net_no_of_errors;
extern double recent_time;

extern int font_xsep;
extern int font_ysep;
extern int font_w;
extern int font_h;
extern int font_size;
extern int mouse_task;
extern int rxin_block_counter;

extern float min_delay_time;
extern int savefile_repeat_flag;
extern int os_flag;
extern int qz;
extern int usercontrol_mode;
extern float tune_yzer;

extern int workload_reset_flag;
extern int graphics_flag;
extern int audio_flag;
extern FILE *dmp;
extern FILE *sndlog;
extern FILE *wav_file;

extern int mmx_present;
extern int simd_present;
extern ROUTINE par_from_keyboard_routine;

extern float baseband_bw_hz;
extern int baseband_bw_fftxpts;
extern int fft2_to_fft1_ratio;

extern int no_of_netslaves;
extern char network_filename[];
extern int netsend_fd;
extern int netrec_fd;
extern int fft1_blknum;
extern int raw16_blknum;
extern int raw18_blknum;
extern int raw24_blknum;
extern int fft1_blknum;
extern int timf2_blknum;
extern int fft2_blknum;
extern int next_blkptr_16;
extern int next_blkptr_18;
extern int next_blkptr_24;
extern int next_blkptr_fft1;
extern int next_blkptr_timf2;
extern int next_blkptr_fft2;
extern int netsend_ptr_16;
extern int netsend_ptr_18;
extern int netsend_ptr_24;
extern int netsend_ptr_fft1;
extern int netsend_ptr_timf2;
extern int netsend_ptr_fft2;

extern int uiparm_change_flag;
extern USERINT_PARM ui;
extern SSBPROC_PARM txssb;
extern CWPROC_PARM txcw;
extern int lir_inkey;
extern char *vga_font;
extern int text_width;
extern int text_height;
extern int screen_last_xpixel;
extern int screen_last_col;
extern int screen_width;
extern int screen_height;
extern int screen_totpix;
extern char userint_filename[];
extern int mouse_flag;
extern int mouse_hide_flag;
extern int mouse_x;
extern int new_mouse_x;
extern int mouse_xmax;
extern int mouse_xmin;
extern int mouse_y;
extern int new_mouse_y;
extern int mouse_ymax;
extern int mouse_ymin;
extern int mouse_cursize;
extern int leftpressed;
extern int rightpressed;
extern int mouse_lbutton_x;
extern int mouse_rbutton_x;
extern int mouse_lbutton_y;
extern int mouse_rbutton_y;
extern int rx_audio_in;
extern int rx_audio_in2;
extern int rx_audio_out;
extern int mixer;
extern int adout_block;
extern char *rx_da_wrbuf;
extern char *tx_da_wrbuf;
extern int rx_da_totbytes;
extern int tx_da_totbytes;
extern float total_wttim;
extern int rx_daout_bytes;
extern int rx_daout_channels;
extern int timinfo_flag;
extern int ampinfo_flag;
extern float measured_da_speed;
extern float measured_ad_speed;
extern double diskread_time;
extern double eme_time;
extern int dasync_counter;
extern float dasync_sum;
extern float dasync_avg1;
extern float dasync_avg2;
extern float dasync_avg3;
extern double dasync_time;
extern double dasync_avgtime;
extern double daspeed_time;
extern double da_start_time;
extern int overrun_count;
extern int da_start_samps;
extern char savefile_parname[];
extern int memalloc_no;
extern int memalloc_max;
extern MEM_INF *memalloc_mem;
extern DXDATA *dx;
extern int timf3_oscilloscope_limit;


extern int rx_mode;
extern int use_bfo;
extern int rx_channels;
extern int twice_rxchan;
extern int mailbox[];
extern char *rxpar_filenames[MAX_RX_MODE];
extern char *rxmodes[MAX_RX_MODE];
extern int genparm[MAX_GENPARM+2];
extern int genparm_min[MAX_GENPARM];
extern int genparm_max[MAX_GENPARM];
extern int genparm_default[MAX_RX_MODE][MAX_GENPARM];
extern char *genparm_text[MAX_GENPARM+2];
extern char modes_man_auto[3];
extern MEM_INF fft1mem[MAX_FFT1_ARRAYS];
extern MEM_INF fft3mem[MAX_FFT3_ARRAYS];
extern MEM_INF basebmem[MAX_BASEB_ARRAYS];
extern MEM_INF hiresmem[MAX_HIRES_ARRAYS];
extern MEM_INF afcmem[MAX_AFC_ARRAYS];
extern MEM_INF voicelabmem[MAX_VOICELAB_ARRAYS];
extern MEM_INF txmem[MAX_TXMEM_ARRAYS];
extern MEM_INF blankermem[MAX_BLANKER_ARRAYS];

extern int current_graph_minh;
extern int current_graph_minw;
extern int calibrate_flag;
extern double old_passband_center;
extern int wav_write_flag;
extern int wav_read_flag;
extern int wavfile_bytes;
extern int swmmx_fft2;
extern int swmmx_fft1;
extern int swfloat;
extern int sw_onechan;
extern int eme_flag;
extern char *press_any_key;
extern char *press_enter;
extern int lir_status;
extern int audio_dump_flag;
extern int diskread_pause_flag;
extern int allow_parport;
extern float rx_output_blockrate;
extern char *audiomode_text[4];
extern char serport_name[];
extern char remind_parsave[];

void save_screen_image(void);
void process_current_lir_inkey(void);
void *chk_free(void *p);
void await_keyboard(void);
void await_processed_keyboard(void);
void clear_await_keyboard(void);
void clear_keyboard(void);
void test_keyboard(void);
void toupper_await_keyboard(void);
void settextcolor(unsigned char color);
void lir_text(int x, int y, char *txt);
void init_font(int font_type);
void clear_lines(int i, int j);
void show_mouse(void);
void unconditional_hide_mouse(void);
void hide_mouse(int x1,int x2,int iy1,int y2);
void dsp_mouse(void);
void open_mouse(void);
void close_mouse(void);
void open_rx_sndin(void);
void open_rx_sndout(void);
void close_rx_sndin(void);
void close_rx_sndout(void);
void clear_real2iq(void);
void set_analog_io(void);
void free_buffers(void);
void make_sincos(int mo, int sz, COSIN_TABLE *tab);
void make_permute(int mo, int nz, int sz, unsigned short int *perm);
void make_bigpermute(int mo, int nz, int sz, unsigned int *perm);
void make_window(int i, int size, int n_sin, float *fft1_window);
void init_fft(int i,int n, int size, 
                          COSIN_TABLE *tab, unsigned short int *permute);
void init_d_fft(int i,int n, int size, 
                         D_COSIN_TABLE *tab, unsigned short int *permute);
void init_big_fft(int i,int n, int size, 
                          COSIN_TABLE *tab, unsigned int *permute);

void init_mmxfft(int size, MMX_COSIN_TABLE *tab);
void make_mmxwindow(int mo, int size, int n, short int *x);
void fftback(int sz, int n, float *x, 
                          COSIN_TABLE *sc, unsigned short int *pm);
void d_fftback(int sz, int n, double *x, 
                          D_COSIN_TABLE *sc, unsigned short int *pm);
void big_fftback(int sz, int n, float *x, 
                          COSIN_TABLE *sc, unsigned int *pm);
void dual_fftback(int sz, int n, float *x, 
                          COSIN_TABLE *sc, unsigned short int *pm);
void fftforward(int sz, int n, float *x, 
                          COSIN_TABLE *sc, unsigned short int *pm);
void d_fftforward(int sz, int n, double *x, 
                         D_COSIN_TABLE *sc, unsigned short int *pm);
void big_fftforward(int sz, int n, float *x, 
                          COSIN_TABLE *sc, unsigned int *pm);
void dual_fftforward(int sz, int n, float *x, 
                          COSIN_TABLE *sc, unsigned short int *pm);
void fft_iqshift(int size, float *x);
void fft_real_to_hermitian( float *z, int size, int n, COSIN_TABLE *tab);
void asmbulk_of_dual_dif(int size, int n, float *x, COSIN_TABLE *sincos);
void asmbulk_of_dif(int size, int n, float *x, COSIN_TABLE *sincos);
void bulk_of_dif(int size, int n, float *x, COSIN_TABLE *sincos);
void bulk_of_dual_dif(int size, int n, float *x, COSIN_TABLE *sincos);
void bulk_of_dit(int size, int n, float *x, COSIN_TABLE *sincos);
void bulk_of_dual_dit(int size, int n, float *x, COSIN_TABLE *sincos);
void simdbulk_of_dual_dit(int size, int n, float *x, COSIN_TABLE *sincos);
int check_mmx(void);
void get_buffers(int filldat);
void get_wideband_sizes(void);
int adjust_scale(double *step);
int llsq(void);
int llsq1(void);
int make_power_of_two(int *i);
int lir_get_filename(int  x, int y, char *name);
int lir_get_integer(int  x, int y, int len, int min, int max);
float lir_get_float(int  x, int y, int len, float min, float max);
void xz(char *s);
void qq(char *s);
void qq1(char *s);
void qq2(char *s);
void tt0(void);
void tt(char *s);
float tt1(void);


void disksave_start_stop(void);
void wavsave_start_stop(void);

void make_new_signal(int ss, float fq);
void make_wg_file(void);
void make_wg_yfac(void);
void make_hg_file(void);
void baseband_fq_scale(void);
void hires_fq_scale(void);
void make_hg_yscale(void);
void new_fft2_averages(void);
void wide_graph_add_signal(void);
void make_fft3_all(void);
void show_baseband_spectrum(void);
void fft3_mix2(void);
void init_blanker(void);
void new_hg_pol(void);
void timf3_oscilloscope(void);
void wg_waterf_line(void);
void bg_waterf_line(void);
void clear_fft1_filtercorr(void);
void init_fft1_filtercorr(void);
void set_general_parms(char *mode);
void make_rx_audio_output(void);
void clear_da(void);
void change_fft3_avgnum(void);
void make_ad_wttim(void);
void make_fft2_wttim(void);
void make_audio_signal(void);
int make_da_wts(void);
void make_fft2_wttim(void);
void make_timing_info(void);
void show_amp_info(void);
void amp_info_texts(void);
void show_timing_info(void);
void timing_info_texts(void);
void update_bar(int x1, int x2, int yzer, 
                   int newy, int oldy, unsigned char color, char *buf);
void parabolic_fit(float *amp, float *pos, float yy1, float yy2, float yy3);
void set_daout_parms(void);
void parfile_end(FILE *file);
void lir_setpixel(int x, int y, unsigned char c);
void lir_getpalettecolor(int j, int *r, int *g, int *b);
void lir_pixwrite(int x, int y, char *s);
void lir_hline(int xx1, int y, int xx2, unsigned char  c);
void lir_line(int xx1, int yy1, int xx2,int yy2, unsigned char  c);
void lir_fillbox(int x, int y,int w, int h, unsigned char  c);
void lir_putbox(int x, int y, int w, int h, void* dp);
void lir_getbox(int x, int y, int w, int h, void* dp);
void help_message(int msg_no);
void help_screen_objects(void);
void select_pol_default(void);
void init_spur_elimination(void);
void cancel_spur_elimination(void);
void eliminate_spurs(void);
void init_spur_spectra(void);
float average_curvature(float *z, int siz);
float average_slope(float *z, int siz);
void spur_phase_parameters(void);
void complex_lowpass(float *zin, float *zout, int nn, int siz);
void remove_phasejumps(float *z, int siz);
int spur_phase_lock(int nx);
int make_spur_freq(void);
void make_spur_pol(void);
void spurspek_norm(void);
int spur_relock(void);
void refine_pll_parameters(void);
int verify_spur_pll(void);
void shift_spur_table(int j);
void coherent_cw_detect(void);
void clear_coherent(void);
void clear_cg_traces(void);
void init_memalloc(MEM_INF *mem, int max);
void mem(int num, void *pointer, int size, int scratch_size);
int memalloc( int *handle, char *s);
void memcheck(int n, MEM_INF *mm, int *handle);
void ncw_rx(void);
double current_time(void);
void show_name_and_size(void);
int init_wavread(int m);
int init_diskread(int m);
void init_eme_database(void);
void read_eme_database(void);
void init_eme_graph(void);
void calculate_moon_data(void);
void init_freq_control(void);
void erase_numinput_txt(void);
void read_freq_control_data(void);
void wide_fq_scale(void);
void users_open_devices(void);
void users_close_devices(void);
void users_init_mode(void);
void expand_fft1_filtercorr(int cal_n, int cal_size);
void make_filcorrstart(void);    
void show_center_frequency(void);
void userdefined_u(void);
void userdefined_q(void);
void check_mouse_actions(void);
void rx_audio_output_start(void);
int read_modepar_file(int type);
void make_modepar_file(int type);
void show_button(BUTTONS *butt, char *s);
void show_wtrfbutton(BUTTONS *butt, char *s);
void remove_carr_indicator(void);
void txtest(void);
void txtest_init(void);
void clear_hware_data(void);
void hware_interface_test(void);
void tune(void);
void frequency_readout(void);
void err_restart_da(int errcod);
int tx_setup(void);
void mouse_on_users_graph(void);
void do_nothing(int n);
void clear_screen(void);
void await_mouse_event(void);
void graph_borders(WG_PARMS *a,unsigned char color);
void dual_graph_borders(WG_PARMS *a,unsigned char color);
void timerr(int line, char*s);
void main_menu(void);
void lir_unlock_mem(void);
int lir_lock_mem(void);
void update_iq_foldcorr(void);
void clear_iq_foldcorr(void);
void lir_sem_post(int no);
void lir_sem_wait(int no);
void lir_sem_init(int no);
void lir_join(int no);
void lir_sleep(int us);
void lir_sync(void);
int lir_get_epoch_seconds(void);
double lir_get_cpu_time(void);
void lir_system_times(double *cpu_time, double *total_time);
void rx_file_input(void);
void screen_routine(void);
char lir_inb(int port);
void lir_outb(char bytedat, int port);
float lir_random(void);
void lir_srandom(void);
void narrowband_dsp(void);
void wideband_dsp(void);
void rx_output(void);
int lir_rx_output_bytes(void);
int lir_tx_output_bytes(void);
void lir_empty_da_device_buffer(void);
int lir_parport_permission(void);
void sdr14_input(void);
void cal_filtercorr(void);
void powtim(void);
void rx_adtest(void);
void cal_iqbalance(void);
void do_cal_interval(void);
void user_command(void);
void tx_output(void);
void tx_input(void);
void txtest(void);
void free_semaphores(void);
void lir_sem_free(int no);
void lir_refresh_screen(void);
void lirerr(int errcod);
void lir_rx_dawrite(void);
void resume_thread(int no);
void pause_thread(int no);
void lir_move_mouse_cursor(void);
void mouse_nothing(void);
int lir_get_text(int  x, int y, char *txtbuf);
void set_button_states(void);
void init_os_independent_globals(void);
void win_global_uiparms(int wn);
void lin_global_uiparms(int wn);
void x_global_uiparms(int wn);
void clear_wide_maxamps(void);
void simulate_keyboard(char chr);
void show_errmsg(int screen_mode);
void lir_sched_yield(void);
void check_filtercorr_direction(void);
void kill_all(void);
void lir_close_serport(void);
void lir_open_serport(int serport_number, int baudrate,int stopbit_flag);
void pause_screen_and_hide_mouse(void);
void set_button_coordinates(void);
void manage_network(unsigned int change);
void init_network(void);
void netsend_errors(void);
void could_not_create(char *filename);
void init_genparm(int uiupd);
void use_filtercorr_fd(int cal_n, int cal_size, 
                            float *cal_corr, float *cal_desired);
void use_filtercorr_td(int cal_size, float *corr, float *desired);
void use_iqcorr(void);
void lir_send_raw16(void);
void lir_send_raw18(void);
void lir_send_raw24(void);
void lir_send_fft1(void);
void lir_send_timf2(void);
void lir_send_fft2(void);
void net_send_slaves_freq(void);
int ms_since_midnight(void);
void close_network_sockets(void);
int lir_write_serport(void *s, int bytes);
void decrement_rx_frequency(void);
void increment_rx_frequency(void);
void show_wheel_stepmult(void);
int read_txpar_file(void);
void hware_set_rxtx(int state);
void lir_mutex_init(void);
void lir_mutex_destroy(void);
void lir_mutex_lock(void);
void lir_mutex_unlock(void);
void init_tx_graph(void);
void show_tx_frequency(void);
void set_default_spproc_parms(void);
int check_tx_devices(void);
void make_cal_fft1_filtercorr(void);