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      1 /*
      2  * Author: Henry Bruce <henry.bruce (at) 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
     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