1 /*
2 * Author: Henry Bruce <henry.bruce@intel.com>
3 * Copyright (c) 2015 Intel Corporation.
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be
14 * included in all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 */
24
25 #include <stdlib.h>
26 #include <string.h>
27
28 #include "mraa_internal.h"
29 #ifdef FTDI4222
30 #include "usb/ftdi_ft4222.h"
31 #endif
32
33
34 mraa_platform_t
mraa_usb_platform_extender(mraa_board_t * board)35 mraa_usb_platform_extender(mraa_board_t* board)
36 {
37 mraa_board_t* sub_plat = NULL;
38 mraa_platform_t platform_type = MRAA_UNKNOWN_PLATFORM;
39 #ifdef FTDI4222
40 if (mraa_ftdi_ft4222_init() == MRAA_SUCCESS) {
41 unsigned int versionChip, versionLib;
42 if (mraa_ftdi_ft4222_get_version(&versionChip, &versionLib) == MRAA_SUCCESS) {
43 // TODO: Add ft4222 version checks
44 platform_type = MRAA_FTDI_FT4222;
45 }
46 }
47 #endif
48 switch (platform_type) {
49 #ifdef FTDI4222
50 case MRAA_FTDI_FT4222:
51 sub_plat = mraa_ftdi_ft4222();
52 break;
53 #endif
54 default:
55 // this is not an error but more that we didn't find a USB platform extender we recognise
56 syslog(LOG_DEBUG, "Unknown USB Platform Extender, currently not supported by MRAA");
57 }
58
59 if (sub_plat != NULL) {
60 sub_plat->platform_type = platform_type;
61 board->sub_platform = sub_plat;
62 }
63 return platform_type;
64 }
65
66