C++ (Cpp) rs232_flush Examples

Example #1

File: rs232_windows.c Project: tiantik/librs232

RS232_LIB void
rs232_end(struct rs232_port_t *p)
{
	struct rs232_windows_t *wx = p->pt;

	DBG("p=%p p->pt=%p\n", (void *)p, p->pt);

	if (!rs232_port_open(p)) {
		free(p->pt);
		free(p);
		return;
	}

	rs232_flush(p);

	if (!SetCommState(wx->fd, &wx->old_dcb)) {
		DBG("SetCommState() %s\n", last_error());
		return;
	}

	if (!SetCommTimeouts(wx->fd, &wx->old_tm)) {
		DBG("SetCommTimeouts() %s\n", last_error());
		return;
	}

	rs232_close(p);
	free(p->pt);
	free(p);
}

Example #2

File: luars232.c Project: Psychedelic-Engineering/librs232

/* error = port:flush() */
static int lua_port_flush(lua_State *L)
{
	struct rs232_port_t *p = *(struct rs232_port_t**) luaL_checkudata(L, 1, MODULE_NAMESPACE);

	if (p == NULL || !rs232_port_open(p)) {
		lua_pushinteger(L, RS232_ERR_PORT_CLOSED);
		return 1;
	}

	lua_pushinteger(L, rs232_flush(p));
	return 1;
}

Example #3

File: main.c Project: gc87/ctools

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/ttyS1");
#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;
}

Example #4

File: rs232_windows.c Project: tiantik/librs232

RS232_LIB unsigned int
rs232_open(struct rs232_port_t *p)
{
	wchar_t *wname = a2w(fix_device_name(p->dev));
	struct rs232_windows_t *wx = p->pt;

	DBG("p=%p p->pt=%p name='%s' fix='%s'\n",
	    (void *)p, p->pt, p->dev, fix_device_name(p->dev));

	if (wname == NULL)
		return RS232_ERR_UNKNOWN;

	wx->fd = CreateFile(wname, GENERIC_READ | GENERIC_WRITE,
			    FILE_SHARE_READ | FILE_SHARE_WRITE,
			    NULL, OPEN_EXISTING, 0, NULL);

	if (wname)
		free(wname);

	if (wx->fd == INVALID_HANDLE_VALUE) {
		DBG("CreateFile() %s\n", last_error());
		return RS232_ERR_OPEN;
	}

	p->status = RS232_PORT_OPEN;
	rs232_flush(p);

	GET_PORT_STATE(wx->fd, &wx->old_dcb);
	GET_PORT_TIMEOUTS(wx->fd, &wx->old_tm);

	port_timeout(p, wx->r_timeout, wx->w_timeout);
	port_buffers(p, wx->r_buffer, wx->w_buffer);

	rs232_set_baud(p, p->baud);
	rs232_set_data(p, p->data);
	rs232_set_parity(p, p->parity);
	rs232_set_stop(p, p->stop);
	rs232_set_flow(p, p->flow);

	return RS232_ERR_NOERROR;
}

Example #5

File: dds_robot.c Project: taka-wang/dds-robot-arm

static int init_serial(void)
{
    unsigned int ret = 0;
    port = rs232_init();
    if (port == NULL) return 1;

    rs232_set_device(port, portname);
    ret = rs232_open(port); // open port

    if (ret) 
    {
        printf("%s (%s)\n", rs232_strerror(ret), errno > 0 ? strerror(errno) : "");
        return ret;
    }

    rs232_set_baud(port, RS232_BAUD_115200);
    rs232_flush(port);
    // wait for arduino init
    sleep(3); 
    return 0;
}

Example #6

File: terminal_phoenix.c Project: n0g/simdump

int term_phoenix_reset(uint8_t * atr, int maxlen)
{
    int res;

    rs232_flush(fd);

//	res = rs232_set_dtr(fd, 1);
    res = rs232_set_rts(fd, 1);

    if (res < 0)
        return res;

    // 20ms should do the trick
    usleep(20000);

    res = rs232_set_rts(fd, 0);

    if (res < 0)
        return res;

    return rs232_read(fd, atr, maxlen);
}