datalink.cc File Reference

#include "bufferarray.h"
#include "config.h"
#include <mutex>
#include <pthread.h>
#include <string>
#include <cstring>
#include <fstream>
#include <iomanip>
#include <iowatch.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/param.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/types.h>
#include <errno.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <signal.h>
#include <fcntl.h>
#include "link.h"
#include "mp_serial.h"
#include "ncp_log.h"
#include "datalink.h"

Include dependency graph for datalink.cc:

Go to the source code of this file.

Macros
#define	BUFLEN   4096
#define	BUFMASK   (BUFLEN-1)
#define	hasSpace(dir)   (((dir##Write + 1) & BUFMASK) != dir##Read)
#define	hasData(dir)   (dir##Write != dir##Read)
#define	inca(idx, amount)
#define	inc1(idx)   inca(idx, 1)
#define	normalize(idx)   do { idx &= BUFMASK; } while (0)
#define	BAUD_RATES_TABLE_SIZE   (sizeof(kBaudRatesTable) / sizeof(int))

Functions
static void	usr1handler (int sig)
	Signal handler does nothing. More...
void	log_data (unsigned short options, unsigned short category, std::string description, unsigned char *buffer, int length)
static void *	data_pump_thread (void *arg)

Variables
static const int	kBaudRatesTable []

Macro Definition Documentation

BAUD_RATES_TABLE_SIZE

#define BAUD_RATES_TABLE_SIZE   (sizeof(kBaudRatesTable) / sizeof(int))

Definition at line 214 of file datalink.cc.

BUFLEN

#define BUFLEN   4096

Definition at line 50 of file datalink.cc.

BUFMASK

#define BUFMASK   (BUFLEN-1)

Definition at line 51 of file datalink.cc.

hasData

#define hasData

(

dir

)

(dir##Write != dir##Read)

Definition at line 53 of file datalink.cc.

hasSpace

#define hasSpace

(

dir

)

(((dir##Write + 1) & BUFMASK) != dir##Read)

Definition at line 52 of file datalink.cc.

inc1

#define inc1

(

idx

)

inca(idx, 1)

Definition at line 57 of file datalink.cc.

inca

#define inca	(		idx,
			amount
	)

Value:

    do { \
    idx = (idx + amount) & BUFMASK; \
} while (0)

Definition at line 54 of file datalink.cc.

normalize

#define normalize

(

idx

)

do { idx &= BUFMASK; } while (0)

Definition at line 58 of file datalink.cc.

Function Documentation

data_pump_thread()

static void * data_pump_thread ( void *  arg )

static

Definition at line 84 of file datalink.cc.

log_data()

void log_data	(	unsigned short	options,
		unsigned short	category,
		std::string	description,
		unsigned char *	buffer,
		int	length
	)

Definition at line 70 of file datalink.cc.

usr1handler()

static void usr1handler ( int  sig )

static

Signal handler does nothing.

It just exists for having the select() below return an interrupted system call.

Definition at line 66 of file datalink.cc.

Variable Documentation

kBaudRatesTable

const int kBaudRatesTable[]

static

Initial value:

= {
    115200,
    57600,
    38400,
    19200,
    9600,
}

Definition at line 207 of file datalink.cc.