97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
/*
|
|
* Copyright (c) 2011 Petr Stetiar <ynezz@true.cz>, Gaben Ltd.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use,
|
|
* copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the
|
|
* Software is furnished to do so, subject to the following
|
|
* conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
|
|
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
|
|
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
|
|
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
|
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
|
|
* OTHER DEALINGS IN THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
|
|
#include "librs232/rs232.h"
|
|
|
|
unsigned int err(unsigned int e);
|
|
unsigned int rs232_simple_test(void);
|
|
|
|
unsigned int err(unsigned int e)
|
|
{
|
|
printf("%s (%s)\n", rs232_strerror(e), errno > 0 ? strerror(errno) : "");
|
|
return e;
|
|
}
|
|
|
|
unsigned int rs232_simple_test(void)
|
|
{
|
|
unsigned int try = 0;
|
|
unsigned int bytes = 0;
|
|
unsigned char data[1];
|
|
unsigned int ret = 0;
|
|
struct rs232_port_t *p = NULL;
|
|
|
|
p = rs232_init();
|
|
if (p == NULL)
|
|
return 1;
|
|
|
|
#ifdef WIN32
|
|
rs232_set_device(p, "COM1");
|
|
#else
|
|
rs232_set_device(p, "/dev/ttyUSB0");
|
|
#endif
|
|
ret = rs232_open(p);
|
|
if (ret) {
|
|
rs232_end(p);
|
|
return err(ret);
|
|
}
|
|
|
|
rs232_set_baud(p, RS232_BAUD_115200);
|
|
printf("[*] port settings: %s\n", rs232_to_string(p));
|
|
|
|
rs232_flush(p);
|
|
while (try++ < 10) {
|
|
printf("%02d. [*] read: ", try);
|
|
data[0] = 0x00;
|
|
ret = rs232_read_timeout(p, data, 1, &bytes, 1000);
|
|
if (ret)
|
|
err(ret);
|
|
else
|
|
printf("0x%02x len: %d\n", data[0], bytes);
|
|
|
|
data[0] = 0x05;
|
|
bytes = 0;
|
|
printf("%02d. [*] write: ", try);
|
|
ret = rs232_write_timeout(p, data, 1, &bytes, 1000);
|
|
if (ret)
|
|
err(ret);
|
|
else
|
|
printf("len: %d\n", bytes);
|
|
}
|
|
|
|
rs232_end(p);
|
|
return 0;
|
|
}
|
|
|
|
int main()
|
|
{
|
|
return rs232_simple_test();
|
|
}
|
|
|