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/*
* COPYRIGHT (c) 1989-2017.
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <machine/rtems-bsd-kernel-space.h>
#include <sys/param.h>
#include <sys/tty.h>
#include <sys/ttydisc.h>
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <inttypes.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <rtems/console.h>
#include <rtems/dumpbuf.h>
#include <rtems/shell.h>
#include <rtems/bsd/bsd.h>
#include <termios.h>
#include <rtems/libcsupport.h>
#include <rtems/termiostypes.h>
#include "../termios/test_termios_driver.h"
#include "../termios/test_termios_utilities.h"
int Test_fd;
uint8_t read_helper_buffer[256];
uint8_t Tx_Buffer[TX_MAX];
void open_it(void)
{
puts( "open(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
Test_fd = open( TERMIOS_TEST_DRIVER_DEVICE_NAME, O_RDWR );
assert( Test_fd != -1 );
change_iflag("BRKINT|ICRNL|IXON|IMAXBEL", 0xFFFFFFFF, BRKINT|ICRNL|IXON|IMAXBEL);
change_lflag("ISIG|ICANON|IEXTEN|ECHO|ECHOK|ECHOE|ECHOCTL", 0xFFFFFFFF, ISIG|ICANON|IEXTEN|ECHO|ECHOK|ECHOE|ECHOCTL);
change_oflag("OPOST|ONLCR|OXTABS", 0xFFFFFFFF, OPOST|ONLCR|OXTABS);
}
void close_it(void)
{
int rc;
puts( "close(" TERMIOS_TEST_DRIVER_DEVICE_NAME ") - OK " );
rc = close( Test_fd );
assert( rc == 0 );
}
void read_it( ssize_t expected )
{
ssize_t rc;
char buf[32];
assert( expected <= sizeof(buf) );
printf( "read - %zd expected\n", expected );
rc = read( Test_fd, buf, expected );
if ( expected != rc )
printf( "ERROR - expected=%zd rc=%zd\n", expected, rc );
assert( expected == rc );
}
void write_it(void)
{
ssize_t sc;
char ch[10] = "PPPD TEST";
puts( "write(PPPD TEST) - OK " );
sc = write(Test_fd, ch, sizeof(ch));
assert( sc == sizeof(ch) );
}
void change_iflag( const char *desc, int mask, int new )
{
int rc;
struct termios attr;
printf( "Changing c_iflag to: %s\n", desc );
rc = tcgetattr( Test_fd, &attr );
assert( rc == 0 );
attr.c_iflag &= ~mask;
attr.c_iflag |= new;
rc = tcsetattr( Test_fd, TCSANOW, &attr );
assert( rc == 0 );
}
void change_lflag( const char *desc, int mask, int new )
{
int rc;
struct termios attr;
printf( "Changing c_lflag to: %s\n", desc );
rc = tcgetattr( Test_fd, &attr );
assert( rc == 0 );
attr.c_lflag &= ~mask;
attr.c_lflag |= new;
rc = tcsetattr( Test_fd, TCSANOW, &attr );
assert( rc == 0 );
}
void change_oflag( const char *desc, int mask, int new )
{
int rc;
struct termios attr;
printf( "Changing c_oflag to: %s\n", desc );
rc = tcgetattr( Test_fd, &attr );
assert( rc == 0 );
attr.c_oflag &= ~mask;
attr.c_oflag |= new;
rc = tcsetattr( Test_fd, TCSANOW, &attr );
assert( rc == 0 );
}
void change_vmin_vtime( const char *desc, int min, int time )
{
int rc;
struct termios attr;
printf( "Changing %s - VMIN=%d VTIME=%d\n", desc, min, time );
rc = tcgetattr( Test_fd, &attr );
assert( rc == 0 );
attr.c_cc[VMIN] = min;
attr.c_cc[VTIME] = time;
rc = tcsetattr( Test_fd, TCSANOW, &attr );
assert( rc == 0 );
}
void enable_non_blocking(bool enable)
{
int flags;
int rv;
flags = fcntl(Test_fd, F_GETFL, 0);
assert(flags >= 0);
if (enable) {
flags |= O_NONBLOCK;
} else {
flags &= ~O_NONBLOCK;
}
rv = fcntl(Test_fd, F_SETFL, flags);
assert(rv == 0);
}
void write_helper( int fd, const char *c )
{
size_t len;
int rc;
len = strlen( c );
printf( "Writing: %s", c );
rc = write( fd, c, len );
assert( rc == len );
termios_test_driver_dump_tx("Transmitted");
}
void read_helper( int fd, const char *expected )
{
int rc;
size_t len;
len = strlen( expected );
termios_test_driver_set_rx( expected, len );
printf( "\nReading (expected):\n" );
rtems_print_buffer( (unsigned char *)expected, len-1 );
rc = read( fd, read_helper_buffer, sizeof(read_helper_buffer) );
assert( rc != -1 );
printf( "Read %d bytes from read(2)\n", rc );
rtems_print_buffer( read_helper_buffer, rc );
termios_test_driver_dump_tx("Echoed");
}
int termios_test_driver_read_tx(void)
{
int Tx_Index = 0;
int Tx_Size = TX_MAX;
int Tx_Length;
for (;;) {
Tx_Length = ttydisc_getc(tt_softc.tp, &Tx_Buffer[Tx_Index], Tx_Size);
if (Tx_Length == 0)
break;
Tx_Index += Tx_Length;
Tx_Size -= Tx_Length;
}
return Tx_Index;
}
void termios_test_driver_dump_tx(const char *c)
{
int Tx_Index;
Tx_Index = termios_test_driver_read_tx();
printf( "%s %d characters\n", c, Tx_Index );
if( Tx_Index > 0 ) {
rtems_print_buffer( &Tx_Buffer[0], Tx_Index );
}
}
void termios_test_driver_set_rx( const void *p, size_t len )
{
tcflush(Test_fd, TCIFLUSH );
ttydisc_rint_simple(tt_softc.tp, p, len);
ttydisc_rint_done(tt_softc.tp);
}
void termios_test_driver_set_rx_char( char ch )
{
char chs[1];
chs[0] = ch;
termios_test_driver_set_rx( &chs[0], 1 );
}
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