summaryrefslogtreecommitdiff
path: root/ecos/packages/io/serial/current/tests/flow2.c
blob: 374f304a6bc7eda5cdd44c69aa7b0a1747283f06 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
//==========================================================================
//
//        flow2.c
//
//        Test duplex receive and send with flow control.
//
//==========================================================================
//####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later version.
//
// eCos is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or
// FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License along
// with eCos; if not, write to the Free Software Foundation, Inc.,
// 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
//
// As a special exception, if other files instantiate templates or use macros
// or inline functions from this file, or you compile this file and link it
// with other works to produce a work based on this file, this file does not
// by itself cause the resulting work to be covered by the GNU General Public
// License. However the source code for this file must still be made available
// in accordance with section (3) of the GNU General Public License.
//
// This exception does not invalidate any other reasons why a work based on
// this file might be covered by the GNU General Public License.
//
// Alternative licenses for eCos may be arranged by contacting Red Hat, Inc.
// at http://sources.redhat.com/ecos/ecos-license/
// -------------------------------------------
//####ECOSGPLCOPYRIGHTEND####
//==========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s):     jskov,jlarmour
// Contributors:  
// Date:          2000-07-27
// Description:   Test the duplex receive and send capabilities of 
//                the serial driver with flow control.
// Requirements:  This test requires the ser_filter on the host side.
// 
//####DESCRIPTIONEND####

#include <pkgconf/system.h>

#include <cyg/infra/testcase.h>         // test macros
#include <cyg/infra/cyg_ass.h>          // assertion macros

#ifdef CYGPKG_KERNEL
# include <pkgconf/kernel.h>
#endif
#ifdef CYGPKG_IO_SERIAL
# include <pkgconf/io_serial.h>
#endif

// Package requirements
#ifndef CYGPKG_IO_SERIAL
# define NA_MSG "Requires I/O serial package"
#elif !defined(CYGFUN_KERNEL_API_C)
# define NA_MSG "Requires kernel C API"
#elif !defined(CYGPKG_IO_SERIAL_FLOW_CONTROL)
# define NA_MSG "Requires serial flow control"
#endif

#ifdef NA_MSG
void
cyg_start( void )
{
    CYG_TEST_INIT();
    CYG_TEST_NA( NA_MSG);
}
#else

#include <cyg/hal/hal_arch.h>           // CYGNUM_HAL_STACK_SIZE_TYPICAL
#include <cyg/kernel/kapi.h>
unsigned char stack[CYGNUM_HAL_STACK_SIZE_TYPICAL];
cyg_thread thread_data;
cyg_handle_t thread_handle;

#include "ser_test_protocol.inl"


//---------------------------------------------------------------------------
// run the tests

static void
run_tests( cyg_io_handle_t ser_handle )
{
    // Start slowly, then go for max size.
    {
        test_binary(ser_handle,             16, MODE_DUPLEX_ECHO);
        test_binary(ser_handle,            128, MODE_DUPLEX_ECHO);
        test_binary(ser_handle,            256, MODE_DUPLEX_ECHO);
        test_binary(ser_handle,           1024, MODE_DUPLEX_ECHO);
    }
}

//---------------------------------------------------------------------------
// Serial test main function.

void
serial_test( void )
{
    cyg_io_handle_t ser_handle;
    cyg_ser_cfg_t *cfg=&test_configs[0];
    cyg_ser_cfg_t new_cfg;
    int count = sizeof(test_configs) / sizeof(cyg_ser_cfg_t);
    int i;

    test_open_ser(&ser_handle);

    // We need the filter for this test.
    test_ping(ser_handle);

    // Choose the configuration with the fastest baud rate, to be most
    // provocative. Start at 1 coz cfg already points at 0
    for (i=1; i<count; i++) {
        if (cfg->baud_rate < test_configs[i].baud_rate)
            cfg=&test_configs[i];
    }

    // Set flow control from configuration
    // Choose software first

#ifdef CYGOPT_IO_SERIAL_FLOW_CONTROL_SOFTWARE
    CYG_TEST_INFO("Setting software flow control");

    new_cfg = *cfg;
    new_cfg.flags |= CYGNUM_SERIAL_FLOW_XONXOFF_RX |
                     CYGNUM_SERIAL_FLOW_XONXOFF_TX;
    if (ENOERR == change_config(ser_handle, &new_cfg))
        run_tests( ser_handle );
#endif

    // hardware flow control
#ifdef CYGOPT_IO_SERIAL_FLOW_CONTROL_HW
    CYG_TEST_INFO("Setting RTS/CTS hardware flow control");

    new_cfg = *cfg;
    new_cfg.flags |= CYGNUM_SERIAL_FLOW_RTSCTS_RX|CYGNUM_SERIAL_FLOW_RTSCTS_TX;
    if (ENOERR == change_config(ser_handle, &new_cfg))
        run_tests( ser_handle );

    CYG_TEST_INFO("Setting DSR/DTR hardware flow control");

    new_cfg = *cfg;
    new_cfg.flags |= CYGNUM_SERIAL_FLOW_DSRDTR_RX|CYGNUM_SERIAL_FLOW_DSRDTR_TX;
    if (ENOERR == change_config(ser_handle, &new_cfg))
        run_tests( ser_handle );
#endif
 
    CYG_TEST_PASS_FINISH("flow2 test OK");
}

void
cyg_start(void)
{
    CYG_TEST_INIT();
    cyg_thread_create(10,                   // Priority - just a number
                      (cyg_thread_entry_t*)serial_test,         // entry
                      0,                    // 
                      "serial_thread",     // Name
                      &stack[0],            // Stack
                      CYGNUM_HAL_STACK_SIZE_TYPICAL,           // Size
                      &thread_handle,       // Handle
                      &thread_data          // Thread data structure
        );
    cyg_thread_resume(thread_handle);
    cyg_scheduler_start();
}

#endif // ifndef NA_MSG

// EOF flow2.c