9f16c2bf8e
* *
* update copyright headers with new FSF postal address
* COPYING.txt -> LICENSE.txt (rest of repo to be synced)
371 lines
10 KiB
C
371 lines
10 KiB
C
/*
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* Copyright (C) 2012 Doug (dougf at people dot net dot au)
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file LICENSE.txt. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301 USA (or visit https://www.gnu.org/licenses/).
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*
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* As a special exception, the Harbour Project gives permission for
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* additional uses of the text contained in its release of Harbour.
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*
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* The exception is that, if you link the Harbour libraries with other
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* files to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the Harbour library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the Harbour
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* Project under the name Harbour. If you copy code from other
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* Harbour Project or Free Software Foundation releases into a copy of
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* Harbour, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for Harbour, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*
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*/
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/* TODO: change raw pointers to GC collected ones? */
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#include "hbapi.h"
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#include "libusb.h"
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/* ------------ library initialisation and deinitialisation -------------------- */
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/* Initialises libusb.
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Must be called before calling any other libusb functions.
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Getting a context is optional. */
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HB_FUNC( LIBUSB_INIT )
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{
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int success;
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if( HB_ISBYREF( 1 ) )
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{
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libusb_context * context;
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success = libusb_init( &context );
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hb_storptr( success == 0 ? context : NULL, 1 );
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}
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else
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success = libusb_init( NULL );
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hb_retni( success );
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}
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/* Deinitialise libusb. */
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HB_FUNC( LIBUSB_EXIT )
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{
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libusb_exit( ( libusb_context * ) hb_parptr( 1 ) );
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}
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/* Sets the message verbosity.
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Refer to hbusb.ch for options */
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HB_FUNC( LIBUSB_SET_DEBUG )
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{
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libusb_set_debug( ( libusb_context * ) hb_parptr( 1 ), hb_parni( 2 ) );
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}
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/* ------------------- device handling and enumeration ------------------------- */
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/* Returns a list of USB devcices attached to your system. */
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HB_FUNC( LIBUSB_GET_DEVICE_LIST )
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{
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libusb_device ** devicelist;
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ssize_t count;
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count = libusb_get_device_list( ( libusb_context * ) hb_parptr( 1 ), &devicelist );
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hb_storptr( devicelist, 2 );
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hb_retns( ( HB_SIZE ) count );
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}
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/* Frees the list returned by LIBUSB_GetDeviceList(). */
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HB_FUNC( LIBUSB_FREE_DEVICE_LIST )
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{
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libusb_free_device_list( ( libusb_device ** ) hb_parptr( 1 ), hb_parni( 2 ) );
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}
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/* Gets the number of the bus that a device is attached to. */
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HB_FUNC( LIBUSB_GET_BUS_NUMBER )
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{
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uint8_t busnumber;
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libusb_device ** devicelist;
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devicelist = ( libusb_device ** ) hb_parptr( 1 );
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busnumber = libusb_get_bus_number( devicelist[ hb_parni( 2 ) ] );
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hb_retni( busnumber );
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}
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/* Gets the address on the bus that a device is attached to. */
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HB_FUNC( LIBUSB_GET_DEVICE_ADDRESS )
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{
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uint8_t deviceaddress;
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libusb_device ** devicelist;
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devicelist = ( libusb_device ** ) hb_parptr( 1 );
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deviceaddress = libusb_get_device_address( devicelist[ hb_parni( 2 ) ] );
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hb_retni( deviceaddress );
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}
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/* Gets the negotiated connection speed for a device.
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Refer to hbusb.ch for speeds. */
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#if 0
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HB_FUNC( LIBUSB_GET_DEVICE_SPEED )
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{
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int devicespeed;
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libusb_device ** devicelist;
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devicelist = ( libusb_device ** ) hb_parptr( 1 );
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devicespeed = libusb_get_device_speed( devicelist[ hb_parni( 2 ) ] );
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hb_retni( devicespeed );
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}
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#endif
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/* Gets the maximum packet size for a particular endpoint in the active device configuration. */
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HB_FUNC( LIBUSB_GET_MAX_PACKET_SIZE )
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{
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int maxpacketsize;
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libusb_device ** devicelist;
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devicelist = ( libusb_device ** ) hb_parptr( 1 );
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maxpacketsize = libusb_get_max_packet_size( devicelist[ hb_parni( 2 ) ], ( unsigned char ) hb_parni( 3 ) );
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hb_retni( maxpacketsize );
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}
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/* Increments the reference count of a device. */
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HB_FUNC( LIBUSB_REF_DEVICE )
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{
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libusb_device * device;
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libusb_device ** devicelist;
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devicelist = ( libusb_device ** ) hb_parptr( 1 );
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device = libusb_ref_device( devicelist[ hb_parni( 2 ) ] );
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HB_SYMBOL_UNUSED( device );
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}
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/* Decrements the reference count of a device */
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HB_FUNC( LIBUSB_UNREF_DEVICE )
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{
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libusb_device ** devicelist;
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devicelist = ( libusb_device ** ) hb_parptr( 1 );
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libusb_unref_device( devicelist[ hb_parni( 2 ) ] );
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}
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/* Open a device and obtain a device handle */
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HB_FUNC( LIBUSB_OPEN )
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{
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int success;
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libusb_device_handle * handle;
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libusb_device ** devicelist;
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devicelist = ( libusb_device ** ) hb_parptr( 1 );
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success = libusb_open( devicelist[ hb_parni( 2 ) ], &handle );
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hb_storptr( success == 0 ? handle : NULL, 3 );
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hb_retni( success );
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}
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/* Find a device with known Vendor IID and Product ID. */
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HB_FUNC( LIBUSB_OPEN_DEVICE_WITH_VID_PID )
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{
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libusb_device_handle * handle;
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handle = libusb_open_device_with_vid_pid( ( libusb_context * ) hb_parptr( 1 ), ( uint16_t ) hb_parni( 2 ), ( uint16_t ) hb_parni( 3 ) );
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hb_retptr( handle );
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}
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/* Close a device handle. */
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HB_FUNC( LIBUSB_CLOSE )
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{
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libusb_close( ( libusb_device_handle * ) hb_parptr( 1 ) );
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}
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/* Get the underlying device for a handle. */
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HB_FUNC( LIBUSB_GET_DEVICE )
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{
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libusb_device * device;
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device = libusb_get_device( ( libusb_device_handle * ) hb_parptr( 1 ) );
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hb_retptr( device );
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}
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/* Get the configuration value of the currently active configuration. */
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HB_FUNC( LIBUSB_GET_CONFIGURATION )
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{
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int configuration;
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int success;
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configuration = 0;
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success = libusb_get_configuration( ( libusb_device_handle * ) hb_parptr( 1 ), &configuration );
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hb_storni( success == 0 ? configuration : 0, 2 );
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hb_retni( success );
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}
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/* Set the active configuration for a device. */
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HB_FUNC( LIBUSB_SET_CONFIGURATION )
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{
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int success;
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success = libusb_set_configuration( ( libusb_device_handle * ) hb_parptr( 1 ), hb_parni( 2 ) );
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hb_retni( success );
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}
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/* Claim an interface on a given device handle.
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Required before you can perform I/O on any of its endpoints. */
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HB_FUNC( LIBUSB_CLAIM_INTERFACE )
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{
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int success;
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success = libusb_claim_interface( ( libusb_device_handle * ) hb_parptr( 1 ), hb_parni( 2 ) );
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hb_retni( success );
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}
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/* Release a previously claimed interface. */
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HB_FUNC( LIBUSB_RELEASE_INTERFACE )
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{
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int success;
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success = libusb_release_interface( ( libusb_device_handle * ) hb_parptr( 1 ), hb_parni( 2 ) );
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hb_retni( success );
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}
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/* Activate an alternate setting for an interface. */
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HB_FUNC( LIBUSB_SET_INTERFACE_ALT_SETTING )
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{
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int success;
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success = libusb_set_interface_alt_setting( ( libusb_device_handle * ) hb_parptr( 1 ), hb_parni( 2 ), hb_parni( 3 ) );
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hb_retni( success );
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}
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/* Clear the halt / stall condition for an endpoint */
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HB_FUNC( LIBUSB_CLEAR_HALT )
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{
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int success;
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success = libusb_clear_halt( ( libusb_device_handle * ) hb_parptr( 1 ), ( unsigned char ) hb_parni( 2 ) );
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hb_retni( success );
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}
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/* Perform a USB port reset to reinitialise a device. */
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HB_FUNC( LIBUSB_RESET_DEVICE )
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{
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int success;
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success = libusb_reset_device( ( libusb_device_handle * ) hb_parptr( 1 ) );
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hb_retni( success );
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}
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/* Determine if a kernel driver is active on an interfacc. */
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HB_FUNC( LIBUSB_KERNEL_DRIVER_ACTIVE )
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{
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int isactive;
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isactive = libusb_kernel_driver_active( ( libusb_device_handle * ) hb_parptr( 1 ), hb_parni( 2 ) );
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hb_retni( isactive );
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}
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/* Detach a kernel driver from an interface. */
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HB_FUNC( LIBUSB_DETACH_KERNEL_DRIVER )
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{
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hb_retni( libusb_detach_kernel_driver( ( libusb_device_handle * ) hb_parptr( 1 ), hb_parni( 2 ) ) );
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}
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/* Reattach a kernel driver which was previously detached. */
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HB_FUNC( LIBUSB_ATTACH_KERNEL_DRIVER )
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{
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int success;
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success = libusb_attach_kernel_driver( ( libusb_device_handle * ) hb_parptr( 1 ), hb_parni( 2 ) );
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hb_retni( success );
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}
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/* ------------------------------ USB descriptors ------------------------------ */
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/* Get the USB descriptor for a given device. */
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HB_FUNC( LIBUSB_GET_DEVICE_DESCRIPTOR )
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{
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struct libusb_device_descriptor desc;
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libusb_device ** devicelist;
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int success;
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devicelist = ( libusb_device ** ) hb_parptr( 1 );
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success = libusb_get_device_descriptor( devicelist[ hb_parni( 2 ) ], &desc );
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hb_storptr( &desc, 3 );
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hb_storni( desc.idVendor, 4 );
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hb_storni( desc.idProduct, 5 );
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hb_storni( ( int ) desc.bNumConfigurations, 6 );
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hb_retni( success );
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}
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/* --------------------------- synchronous device I/O -------------------------- */
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/* Perform a USB bulk transfer. */
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HB_FUNC( LIBUSB_BULK_TRANSFER )
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{
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int success;
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unsigned char data[ 512 ];
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int transferred;
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success = libusb_bulk_transfer( ( libusb_device_handle * ) hb_parptr( 1 ), ( unsigned char ) hb_parni( 2 ), data, sizeof( data ), &transferred, hb_parni( 3 ) );
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hb_storclen( ( char * ) data, ( HB_ISIZ ) transferred, 4 );
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hb_storni( transferred, 5 );
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hb_retni( success );
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}
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/* Perform a USB interrupt transfer. */
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HB_FUNC( LIBUSB_INTERRUPT_TRANSFER )
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{
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int success;
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unsigned char data[ 512 ];
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int transferred;
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success = libusb_interrupt_transfer( ( libusb_device_handle * ) hb_parptr( 1 ), ( unsigned char ) hb_parni( 2 ), data, sizeof( data ), &transferred, hb_parni( 3 ) );
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hb_storclen( ( char * ) data, ( HB_ISIZ ) transferred, 4 );
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hb_storni( transferred, 5 );
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hb_retni( success );
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}
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