Hamlib/common/serial.h

46 wiersze
915 B
C

/*
* 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 1.3 2000-07-30 04:35:56 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 );