/*
 * hamlib - (C) Frank Singleton 2000 (vk3fcs@ix.netcom.com)
 *
 * serial.h - (C) Frank Singleton 2000 (vk3fcs@ix.netcom.com)
 * Provides useful routines for read/write serial data for communicating
 * via serial interface .
 *
 *    $Id: serial.h,v 1.4 2000-08-04 02:48:44 javabear Exp $  
 */


int open_port(char *serial_port);
int write_block(int fd, unsigned char *data);
int close_port(int fd);


/*
 * Read "num" bytes from "fd" and put results into
 * an array of unsigned char pointed to by "rxbuffer"
 * 
 * Sleeps every second until number of bytes to read
 * is the amount requested.
 *
 */


int read_sleep(int fd, unsigned char *rxbuffer, int num );


/*
 * Convert char to packed decimal
 * eg: 33 (0x21) => 0x33
 *
 */

char calc_packed_from_char(unsigned char dec );


/*
 * Convert packed decimal to decimal
 * eg: 0x33 (51) => 33 decimal
 *
 */

char calc_char_from_packed(unsigned char pkd );

/*
 * Do a hex dump of the unsigned char array.
 */

void dump_hex(unsigned char *ptr, int size, int width);