dmrconfig/util.h

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/*
* Auxiliary functions.
*
* Copyright (C) 2018 Serge Vakulenko, KK6ABQ
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
//
// Localization.
//
#if 0
#include <libintl.h>
#define _(str) gettext(str)
#else
#define _(str) str
#define setlocale(x,y) /* empty */
#define bindtextdomain(x,y) /* empty */
#define textdomain(x) /* empty */
#endif
//
// Program version.
//
extern const char version[];
extern const char *copyright;
//
// Trace data i/o via the serial port.
//
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int trace_flag;
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//
// Print data in hex format.
//
void print_hex(const unsigned char *data, int len);
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//
// DFU functions.
//
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const char *dfu_init(unsigned vid, unsigned pid);
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void dfu_close(void);
void dfu_erase(unsigned start, unsigned finish);
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void dfu_read_block(int bno, unsigned char *data, int nbytes);
void dfu_write_block(int bno, unsigned char *data, int nbytes);
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void dfu_reboot(void);
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//
// HID functions.
//
int hid_init(int vid, int pid);
const char *hid_identify(void);
void hid_close(void);
void hid_send_recv(const unsigned char *data, unsigned nbytes, unsigned char *rdata, unsigned rlength);
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void hid_read_block(int bno, unsigned char *data, int nbytes);
void hid_read_finish(void);
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void hid_write_block(int bno, unsigned char *data, int nbytes);
void hid_write_finish(void);
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//
// Delay in milliseconds.
//
void mdelay(unsigned msec);
//
// Check for a regular file.
//
int is_file(char *filename);
//
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// Convert frequency in MHz from floating point to
// a binary coded decimal format (8 digits).
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//
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unsigned mhz_to_bcd(double mhz);
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//
// Get a binary value of the parameter: On/Off,
// Ignore case.
//
int on_off(char *param, char *value);
//
// Get integer value, or "Off" as 0,
// Ignore case.
//
int atoi_off(const char *value);
//
// Copy a text string to memory image.
// Clear unused space to zero.
//
void copy_str(unsigned char *dest, const char *src, int nbytes);
//
// Find a string in a table of size nelem, ignoring case.
// Return -1 when not found.
//
int string_in_table(const char *value, const char *tab[], int nelem);
//
// Print description of the parameter.
//
void print_options(FILE *out, const char **tab, int num, const char *info);
//
// Print list of all squelch tones.
//
void print_squelch_tones(FILE *out, int normal_only);
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//
// Write Unicode symbol to a file in UTF-8 encoding.
//
void putc_utf8(unsigned short ch, FILE *out);
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//
// Print utf16 text as utf8.
//
void print_unicode(FILE *out, const unsigned short *text, unsigned nchars, int fill_flag);
void print_ascii(FILE *out, const unsigned char *text, unsigned nchars, int fill_flag);
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//
// Fetch Unicode symbol from UTF-8 string.
// Advance string pointer.
//
int utf8_to_unicode(const char **p);
//
// Decode UTF-8 string into UCS-2 string, at most nsym characters.
//
void utf8_decode(unsigned short *dst, const char *src, unsigned nsym);
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//
// Copy ASCII string, at most nsym characters.
// Replace underscore by space.
//
void ascii_decode(unsigned char *dst, const char *src, unsigned nsym);
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//
// Get local time in format: YYYYMMDDhhmmss
//
void get_timestamp(char p[16]);
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//
// Convert tone string to BCD format.
// Return -1 on error.
// Four possible formats:
// nnn.n - CTCSS frequency
// DnnnN - DCS normal
// DnnnI - DCS inverted
// '-' - Disabled
//
int encode_tone(char *str);
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//
// Print frequency (BCD value).
//
void print_freq(FILE *out, unsigned data);
//
// Convert a 4-byte frequency value from binary coded decimal
// to integer format (in Hertz).
//
int freq_to_hz(unsigned bcd);
//
// Print frequency as MHz.
//
void print_mhz(FILE *out, unsigned hz);
//
// Print the transmit offset or frequency.
//
void print_offset(FILE *out, unsigned rx_bcd, unsigned tx_bcd);
//
// Compare channel index for qsort().
//
int compare_index(const void *pa, const void *pb);
//
// Print CTSS or DCS tone.
//
void print_tone(FILE *out, unsigned data);