DCE-Eurobot: sercom/sercom.h Source File

00001 /*
00002  * @(#)sercom.h       07/07/28
00003  * 
00004  * Description  : Library to simplify the serial communication.
00005  *
00006  * License      : GNU GPL v.2
00007  * Contacts     : Tran Duy Khanh (www.tran.cz)
00008  */
00009 
00010 #include <sys/signal.h>
00011 #include <termios.h>
00012 
00013 #define _POSIX_SOURCE           1       /* POSIX compliant source */
00014 #define SERCOM_DEFAULT_DEV      "/dev/ttyS0"
00015 #define SERCOM_DEVNAME_LEN      80
00016 
00017 struct sercom_data {
00018         char devname[SERCOM_DEVNAME_LEN];
00019         unsigned int baudrate;
00020         unsigned char parity;
00021         unsigned char databits;
00022         unsigned char stopbits;
00023         struct termios oldtio;
00024         struct termios newtio;
00025         struct sigaction saio;
00026         int fd, len;
00027 };
00028 
00029 enum {
00030         SERCOM_PARNONE = 0,
00031         SERCOM_PARODD,
00032         SERCOM_PAREVEN,
00033 };
00034 
00038 long sercom_get_baudrate(unsigned int baudrate);
00039 long sercom_get_databits(int databits);
00040 long sercom_get_stopbits(int stopbits);
00041 long sercom_get_parity(int parity);
00042 void sercom_open(struct sercom_data *sercom);
00043 ssize_t sercom_read(struct sercom_data *sercom, char *buf, ssize_t buflen);
00044 void sercom_close(struct sercom_data *sercom);