From d3375514d6a8348b66306ab240ded68f5e88af20 Mon Sep 17 00:00:00 2001 From: Hans-Christoph Steiner Date: Thu, 18 May 2006 12:00:47 +0000 Subject: renamed [libhid] to [usbhid] since it only works with USB HID devices svn path=/trunk/externals/hcs/; revision=5082 --- libhid.c | 484 --------------------------------------------------------------- 1 file changed, 484 deletions(-) delete mode 100644 libhid.c (limited to 'libhid.c') diff --git a/libhid.c b/libhid.c deleted file mode 100644 index 9bd2498..0000000 --- a/libhid.c +++ /dev/null @@ -1,484 +0,0 @@ -/* --------------------------------------------------------------------------*/ -/* */ -/* MacOS X object to use HIDs (Human Interface Devices) */ -/* Written by Hans-Christoph Steiner */ -/* */ -/* Copyright (c) 2004 Hans-Christoph Steiner */ -/* */ -/* This program is free software; you can redistribute it and/or */ -/* modify it under the terms of the GNU General Public License */ -/* as published by the Free Software Foundation; either version 2 */ -/* of the License, or (at your option) any later version. */ -/* */ -/* See file LICENSE for further informations on licensing terms. */ -/* */ -/* This program is distributed in the hope that it will be useful, */ -/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ -/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ -/* GNU General Public License for more details. */ -/* */ -/* You should have received a copy of the GNU General Public License */ -/* along with this program; if not, write to the Free Software Foundation, */ -/* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -/* */ -/* --------------------------------------------------------------------------*/ - -#include -#include -#include -#include -#include "m_pd.h" - - -/*------------------------------------------------------------------------------ - * INCLUDE HACK - */ - -/* NOTE: included from libusb/usbi.h. UGLY, i know, but so is libusb! */ -struct usb_dev_handle { - int fd; - struct usb_bus *bus; - struct usb_device *device; - int config; - int interface; - int altsetting; - void *impl_info; -}; - - -/*------------------------------------------------------------------------------ - * GLOBAL VARIABLES - */ - -/* - * count the number of instances of this object so that certain free() - * functions can be called only after the final instance is detroyed. - */ -t_int libhid_instance_count; - -char *hid_id[32]; /* FIXME: 32 devices MAX */ -t_int hid_id_count; - -/*------------------------------------------------------------------------------ - * CLASS DEF - */ - -typedef struct _libhid -{ - t_object x_obj; -/* libhid types */ - HIDInterface *x_hidinterface; - u_int8_t x_iSerialNumber; - hid_return x_hid_return; -/* internal state */ - t_int x_device_number; - t_int x_read_element_count; - t_int *x_read_elements; - t_int x_write_element_count; - t_int *x_write_elements; -/* clock support */ - t_clock *x_clock; - t_int x_delay; - t_int x_started; -/* outlets */ - t_outlet *x_data_outlet; - t_outlet *x_control_outlet; -} t_libhid; - - - - -/*------------------------------------------------------------------------------ - * LOCAL DEFINES - */ - -#define LIBHID_MAJOR_VERSION 0 -#define LIBHID_MINOR_VERSION 0 - -//#define DEBUG(x) -#define DEBUG(x) x - -static t_class *libhid_class; - -#define SEND_PACKET_LENGTH 1 -#define RECEIVE_PACKET_LENGTH 6 -#define PATH_LENGTH 3 - -/*------------------------------------------------------------------------------ - * SUPPORT FUNCTIONS - */ - -/* - * This function is used in a HIDInterfaceMatcher to iterate thru all of the - * HID devices on the USB bus - */ -static bool device_iterator (struct usb_dev_handle const* usbdev, void* custom, - unsigned int len) -{ - bool ret = false; - t_int i; - char current_dev_path[10]; - - /* only here to prevent the unused warning */ - /* TODO remove */ - len = *((unsigned long*)custom); - - /* Obtain the device's full path */ - sprintf(current_dev_path, "%s/%s", usbdev->bus->dirname, usbdev->device->filename); - - /* Check if we already saw this dev */ - for ( i = 0 ; ( hid_id[i] != NULL ) ; i++ ) - { - if (!strcmp(hid_id[i], current_dev_path ) ) - break; - } - - /* Append device to the list if needed */ - if (hid_id[i] == NULL) - { - hid_id[i] = (char *) malloc(strlen(usbdev->device->filename) + strlen(usbdev->bus->dirname) ); - sprintf(hid_id[i], "%s/%s", usbdev->bus->dirname, usbdev->device->filename); - post("bus %s device %s: %d %d", - usbdev->bus->dirname, - usbdev->device->filename, - usbdev->device->descriptor.idVendor, - usbdev->device->descriptor.idProduct); - } - else /* device already seen */ - { - return false; - } - - /* Filter non HID device */ - if ( (usbdev->device->descriptor.bDeviceClass == 0) /* Class defined at interface level */ - && usbdev->device->config - && usbdev->device->config->interface->altsetting->bInterfaceClass == USB_CLASS_HID) - ret = true; - else - ret = false; - - return ret; -} - -/* -------------------------------------------------------------------------- */ -/* This function is used in a HIDInterfaceMatcher in order to match devices by - * serial number. - */ -/* static bool match_serial_number(struct usb_dev_handle* usbdev, void* custom, unsigned int len) */ -/* { */ -/* bool ret; */ -/* char* buffer = (char*)malloc(len); */ -/* usb_get_string_simple(usbdev, usb_device(usbdev)->descriptor.iSerialNumber, */ -/* buffer, len); */ -/* ret = strncmp(buffer, (char*)custom, len) == 0; */ -/* free(buffer); */ -/* return ret; */ -/* } */ - - -/* -------------------------------------------------------------------------- */ -/* static HIDInterface* get_device_by_number(t_int device_number) */ -/* { */ -/* HIDInterface* return_hid; */ - -/* return return_hid; */ -/* } */ - - -/* -------------------------------------------------------------------------- */ -static t_int* make_hid_packet(t_int element_count, t_int argc, t_atom *argv) -{ - DEBUG(post("make_hid_packet");); - t_int i; - t_int *return_array = NULL; - - post("element_count %d",element_count); - return_array = (t_int *) getbytes(sizeof(t_int) * element_count); - for(i=0; i < element_count; ++i) - { -/* - * A libhid path component is 32 bits, the high 16 bits identify the usage page, - * and the low 16 bits the item number. - */ - return_array[i] = - (atom_getintarg(i*2,argc,argv) << 16) + atom_getintarg(i*2+1,argc,argv); -/* TODO: print error if a symbol is found in the data list */ - } - return return_array; -} - - -/*------------------------------------------------------------------------------ - * IMPLEMENTATION - */ - -/* -------------------------------------------------------------------------- */ -static void libhid_open(t_libhid *x, t_float vendor_id, t_float product_id) -{ - DEBUG(post("libhid_open");); - - HIDInterfaceMatcher matcher = { (unsigned short)vendor_id, - (unsigned short)product_id, - NULL, - NULL, - 0 }; - - if ( !hid_is_opened(x->x_hidinterface) ) - { - x->x_hid_return = hid_force_open(x->x_hidinterface, 0, &matcher, 3); - if (x->x_hid_return != HID_RET_SUCCESS) { - error("[libhid] hid_force_open failed with return code %d\n", x->x_hid_return); - } - } -} - - - -/* -------------------------------------------------------------------------- */ -static void libhid_read(t_libhid *x) -{ - DEBUG(post("libhid_read");); -/* int const PATH_IN[PATH_LENGTH] = { 0xffa00001, 0xffa00002, 0xffa10003 }; */ - int const PATH_OUT[PATH_LENGTH] = { 0x00010030, 0x00010031, 0x00010038 }; - - char packet[RECEIVE_PACKET_LENGTH]; - -/* if ( !hid_is_opened(x->x_hidinterface) ) */ -/* { */ -/* libhid_open(x); */ -/* } */ -/* else */ -/* { */ - x->x_hid_return = hid_get_input_report(x->x_hidinterface, - PATH_OUT, - PATH_LENGTH, - packet, - RECEIVE_PACKET_LENGTH); - if (x->x_hid_return != HID_RET_SUCCESS) - error("[libhid] hid_get_input_report failed with return code %d\n", - x->x_hid_return); -/* } */ -} - - - -/* -------------------------------------------------------------------------- */ -/* set the HID packet for which elements to read */ -static void libhid_set_read(t_libhid *x, int argc, t_atom *argv) -{ - DEBUG(post("libhid_set_read");); - t_int i; - - x->x_read_element_count = argc / 2; - x->x_read_elements = make_hid_packet(x->x_read_element_count, argc, argv); - post("x_read_element_count %d",x->x_read_element_count); - for(i=0;ix_read_element_count;++i) - post("x_read_elements %d: %d",i,x->x_read_elements[i]); -} - - -/* -------------------------------------------------------------------------- */ -/* set the HID packet for which elements to write */ -static void libhid_set_write(t_libhid *x, int argc, t_atom *argv) -{ - DEBUG(post("libhid_set_write");); - t_int i; - - x->x_write_element_count = argc / 2; - x->x_write_elements = make_hid_packet(x->x_write_element_count, argc, argv); - post("x_write_element_count %d",x->x_write_element_count); - for(i=0;ix_write_element_count;++i) - post("x_write_elements %d: %d",i,x->x_write_elements[i]); -} - - - -/* -------------------------------------------------------------------------- */ -/* convert a list to a HID packet and set it */ -static void libhid_set(t_libhid *x, t_symbol *s, int argc, t_atom *argv) -{ - DEBUG(post("libhid_set");); - t_symbol *subselector; - - subselector = atom_getsymbol(&argv[0]); - if(strcmp(subselector->s_name,"read") == 0) - libhid_set_read(x,argc-1,argv+1); - if(strcmp(subselector->s_name,"write") == 0) - libhid_set_write(x,argc-1,argv+1); -} - - -/* -------------------------------------------------------------------------- */ -static void libhid_get(t_libhid *x, t_symbol *s, int argc, t_atom *argv) -{ - DEBUG(post("libhid_get");); - t_symbol *subselector; - - subselector = atom_getsymbol(&argv[0]); -/* if(strcmp(subselector->s_name,"read") == 0) */ - -/* if(strcmp(subselector->s_name,"write") == 0) */ - -} - - - -/* -------------------------------------------------------------------------- */ -static void libhid_close(t_libhid *x) -{ - DEBUG(post("libhid_close");); - -/* just to be safe, stop it first */ -// libhid_stop(x); - - if ( hid_is_opened(x->x_hidinterface) ) - { - x->x_hid_return = hid_close(x->x_hidinterface); - if (x->x_hid_return == HID_RET_SUCCESS) - post("[libhid] closed device %d",x->x_device_number); - else - error("[libhid] could not close %d, error #%d",x->x_device_number,x->x_hid_return); - } -} - - -/* -------------------------------------------------------------------------- */ -static void libhid_print(t_libhid *x) -{ - DEBUG(post("libhid_print");); - t_int i; - t_atom event_data[3]; - - for ( i = 0 ; ( hid_id[i] != NULL ) ; i++ ) - { - if( hid_id[i] != NULL ) - post("hid_id[%d]: %s",i,hid_id[i]); - } -/* SETSYMBOL(event_data, gensym(type)); /\* type *\/ */ -/* SETSYMBOL(event_data + 1, gensym(code)); /\* code *\/ */ -/* SETSYMBOL(event_data + 2, value); /\* value *\/ */ -// outlet_list(x->x_control_outlet, &s_list, -} - - -/* -------------------------------------------------------------------------- */ -static void libhid_reset(t_libhid *x) -{ - DEBUG(post("libhid_reset");); - - hid_reset_HIDInterface(x->x_hidinterface); -} - - -/* -------------------------------------------------------------------------- */ -static void libhid_free(t_libhid* x) -{ - DEBUG(post("libhid_free");); - - libhid_close(x); - clock_free(x->x_clock); - - freebytes(x->x_read_elements,sizeof(t_int) * x->x_read_element_count); - freebytes(x->x_write_elements,sizeof(t_int) * x->x_write_element_count); - - hid_delete_HIDInterface(&(x->x_hidinterface)); - x->x_hid_return = hid_cleanup(); - if (x->x_hid_return != HID_RET_SUCCESS) - error("[libhid] hid_cleanup failed with return code %d\n", x->x_hid_return); - - libhid_instance_count--; -} - - - -/* -------------------------------------------------------------------------- */ -static void *libhid_new(t_float f) -{ - t_int i; - HIDInterfaceMatcher matcher; - t_libhid *x = (t_libhid *)pd_new(libhid_class); - - DEBUG(post("libhid_new");); - -/* only display the version when the first instance is loaded */ - if(!libhid_instance_count) - post("[libhid] %d.%d, written by Hans-Christoph Steiner ", - LIBHID_MAJOR_VERSION, LIBHID_MINOR_VERSION); - -/* x->x_clock = clock_new(x, (t_method)libhid_read); */ - - /* create anything outlet used for HID data */ - x->x_data_outlet = outlet_new(&x->x_obj, 0); - x->x_control_outlet = outlet_new(&x->x_obj, 0); - - /* hid_write_library_config(stdout); */ - /* hid_set_debug(HID_DEBUG_NOTRACES); */ - // hid_set_debug(HID_DEBUG_NONE); -/* hid_set_debug(HID_DEBUG_ALL); */ - hid_set_debug_stream(stderr); - hid_set_usb_debug(0); - - /* data init */ - for (i = 0 ; i < 32 ; i++) - hid_id[i] = NULL; - - if (! hid_is_initialised() ) - x->x_hid_return = hid_init(); - - x->x_hidinterface = hid_new_HIDInterface(); - matcher.vendor_id = HID_ID_MATCH_ANY; - matcher.product_id = HID_ID_MATCH_ANY; - matcher.matcher_fn = device_iterator; - - x->x_device_number = f; - - /* find and report the list of devices */ - /* open recursively all HID devices found */ - while ( (x->x_hid_return = hid_force_open(x->x_hidinterface, 0, &matcher, 2)) != HID_RET_DEVICE_NOT_FOUND) - { -/* printf("************************************************************************\n"); */ - -/* hid_write_identification(stdout, x->x_hidinterface); */ - - /* Only dump HID tree if asked */ - /* hid_dump_tree(stdout, x->x_hidinterface); */ - - hid_close(x->x_hidinterface); - } - - - - /* Open the device and save settings. If there is an error, return the object - * anyway, so that the inlets and outlets are created, thus not breaking the - * patch. */ -/* if (libhid_open(x,f)) */ -/* error("[libhid] device %d did not open",(t_int)f); */ - - libhid_instance_count++; - - return (x); -} - -void libhid_setup(void) -{ - DEBUG(post("libhid_setup");); - libhid_class = class_new(gensym("libhid"), - (t_newmethod)libhid_new, - (t_method)libhid_free, - sizeof(t_libhid), - CLASS_DEFAULT, - A_DEFFLOAT, - NULL); - -/* add inlet datatype methods */ - class_addbang(libhid_class,(t_method) libhid_read); - -/* add inlet message methods */ - class_addmethod(libhid_class,(t_method) libhid_print,gensym("print"),0); - class_addmethod(libhid_class,(t_method) libhid_reset,gensym("reset"),0); - class_addmethod(libhid_class,(t_method) libhid_set,gensym("set"),A_GIMME,0); - class_addmethod(libhid_class,(t_method) libhid_get,gensym("get"),A_DEFSYM,0); - class_addmethod(libhid_class,(t_method) libhid_open,gensym("open"),A_DEFFLOAT,A_DEFFLOAT,0); - class_addmethod(libhid_class,(t_method) libhid_close,gensym("close"),0); -} - -- cgit v1.2.1