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gc_n64_usb-v3
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Tool for configuration and special functions

This commit is contained in:
Raphael Assenat 2015-08-23 02:51:41 -04:00
parent 3b935d12fc
commit df95fd8856
12 changed files with 2152 additions and 0 deletions
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26
tool/Makefile Normal file
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CC=gcc
LD=$(CC)
CFLAGS=-Wall -g `pkg-config hidapi-hidraw --cflags`
LDFLAGS=`pkg-config hidapi-hidraw --libs`
PREFIX=/usr/local
PROG=gcn64ctl
OBJS=main.o gcn64.o mempak.o
.PHONY : clean install
all: $(OBJS)
$(LD) $(LDFLAGS) $(OBJS) -o $(PROG)
%.o: %.c %.h
$(CC) $(CFLAGS) -c $<
clean:
rm -f *.o $(PROG)
install:
@echo "Install not done yet. Sorry"

26
tool/Makefile.mingw Normal file
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CC=gcc
LD=$(CC)
CFLAGS=-Wall -g
LDFLAGS=-lsetupapi
PREFIX=/usr/local
PROG=wusbmote_ctl
OBJS=main.o wusbmote.o hid.o
.PHONY : clean install
all: $(OBJS)
$(LD) $(OBJS) $(LDFLAGS) -o $(PROG)
%.o: %.c %.h
$(CC) $(CFLAGS) -c $<
clean:
rm -f *.o $(PROG)
install:
@echo "Install not done yet. Sorry"

4
tool/README Normal file
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libhidapi-dev
pkg-config

219
tool/gcn64.c Normal file
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/* wusbmote: Wiimote accessory to USB Adapter
* Copyright (C) 2012-2014 Raphaël Assénat
*
* 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.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* The author may be contacted at raph@raphnet.net
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "gcn64.h"
#include "gcn64_priv.h"
#include "../requests.h"
#include "hidapi.h"
static int dusbr_verbose = 0;
#define IS_VERBOSE() (dusbr_verbose)
int gcn64_init(int verbose)
{
dusbr_verbose = verbose;
hid_init();
return 0;
}
void gcn64_shutdown(void)
{
hid_exit();
}
static char isProductIdHandled(unsigned short pid, int interface_number)
{
switch (pid)
{
case 0x0017: // GC/N64 USB v3
if (interface_number == 1)
return 1;
break;
}
return 0;
}
struct gcn64_list_ctx *gcn64_allocListCtx(void)
{
struct gcn64_list_ctx *ctx;
ctx = calloc(1, sizeof(struct gcn64_list_ctx));
return ctx;
}
void gcn64_freeListCtx(struct gcn64_list_ctx *ctx)
{
if (ctx) {
if (ctx->devs) {
hid_free_enumeration(ctx->devs);
}
free(ctx);
}
}
/**
* \brief List instances of our rgbleds device on the USB busses.
* \param dst Destination buffer for device serial number/id.
* \param dstbuf_size Destination buffer size.
*/
struct gcn64_info *gcn64_listDevices(struct gcn64_info *info, struct gcn64_list_ctx *ctx)
{
memset(info, 0, sizeof(struct gcn64_info));
if (!ctx) {
fprintf(stderr, "gcn64_listDevices: Passed null context\n");
return NULL;
}
if (ctx->devs)
goto jumpin;
if (IS_VERBOSE()) {
printf("Start listing\n");
}
ctx->devs = hid_enumerate(OUR_VENDOR_ID, 0x0000);
if (!ctx->devs) {
printf("Hid enumerate returned NULL\n");
return NULL;
}
for (ctx->cur_dev = ctx->devs; ctx->cur_dev; ctx->cur_dev = ctx->cur_dev->next)
{
if (IS_VERBOSE()) {
printf("Considering 0x%04x:0x%04x\n", ctx->cur_dev->vendor_id, ctx->cur_dev->product_id);
}
if (isProductIdHandled(ctx->cur_dev->product_id, ctx->cur_dev->interface_number))
{
wcsncpy(info->str_prodname, ctx->cur_dev->product_string, PRODNAME_MAXCHARS-1);
wcsncpy(info->str_serial, ctx->cur_dev->serial_number, SERIAL_MAXCHARS-1);
strncpy(info->str_path, ctx->cur_dev->path, PATH_MAXCHARS-1);
return info;
}
jumpin:
// prevent 'error: label at end of compound statement'
continue;
}
return NULL;
}
gcn64_hdl_t gcn64_openDevice(struct gcn64_info *dev)
{
hid_device *hdev;
if (!dev)
return NULL;
if (IS_VERBOSE()) {
printf("Opening device path: '%s'\n", dev->str_path);
}
hdev = hid_open_path(dev->str_path);
if (!hdev)
return NULL;
return hdev;
}
void gcn64_closeDevice(gcn64_hdl_t hdl)
{
hid_device *hdev = (hid_device*)hdl;
if (hdev) {
hid_close(hdev);
}
}
int gcn64_send_cmd(gcn64_hdl_t hdl, const unsigned char *cmd, int cmdlen)
{
hid_device *hdev = (hid_device*)hdl;
unsigned char buffer[cmdlen + 1];
int n;
buffer[0] = 0x00; // report ID set to 0 (device has only one)
memcpy(buffer + 1, cmd, cmdlen);
n = hid_send_feature_report(hdev, buffer, cmdlen+1);
if (n < 0) {
fprintf(stderr, "Could not send feature report (%ls)\n", hid_error(hdev));
return -1;
}
return 0;
}
int gcn64_poll_result(gcn64_hdl_t hdl, unsigned char *cmd, int cmd_maxlen)
{
hid_device *hdev = (hid_device*)hdl;
unsigned char buffer[cmd_maxlen + 1];
int res_len;
int n;
memset(buffer, 0, cmd_maxlen + 1);
buffer[0] = 0x00; // report ID set to 0 (device has only one)
n = hid_get_feature_report(hdev, buffer, cmd_maxlen+1);
if (n < 0) {
fprintf(stderr, "Could not send feature report (%ls)\n", hid_error(hdev));
return -1;
}
if (n==0) {
return 0;
}
res_len = n-1;
if (res_len>0)
memcpy(cmd, buffer+1, res_len);
return res_len;
}
int gcn64_exchange(gcn64_hdl_t hdl, unsigned char *outcmd, int outlen, unsigned char *result, int result_max)
{
int n;
n = gcn64_send_cmd(hdl, outcmd, outlen);
if (n<0) {
fprintf(stderr, "Error sending command\n");
return -1;
}
/* Answer to the command comes later. For now, this is polled, but in
* the future an interrupt-in transfer could be used. */
do {
n = gcn64_poll_result(hdl, result, result_max);
if (n < 0) {
fprintf(stderr, "Error\r\n");
break;
}
if (n==0) {
// printf("."); fflush(stdout);
}
} while (n==0);
return n;
}

40
tool/gcn64.h Normal file
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#ifndef _gcn64_h__
#define _gcn64_h__
#include <wchar.h>
#define OUR_VENDOR_ID 0x289b
#define PRODNAME_MAXCHARS 256
#define SERIAL_MAXCHARS 256
#define PATH_MAXCHARS 256
struct gcn64_info {
wchar_t str_prodname[PRODNAME_MAXCHARS];
wchar_t str_serial[SERIAL_MAXCHARS];
char str_path[PATH_MAXCHARS];
int major, minor;
int access; // True unless direct access to read serial/prodname failed due to permissions.
};
struct gcn64_list_ctx;
typedef void* gcn64_hdl_t; // Cast from hid_device
int gcn64_init(int verbose);
void gcn64_shutdown(void);
struct gcn64_list_ctx *gcn64_allocListCtx(void);
void gcn64_freeListCtx(struct gcn64_list_ctx *ctx);
struct gcn64_info *gcn64_listDevices(struct gcn64_info *info, struct gcn64_list_ctx *ctx);
gcn64_hdl_t gcn64_openDevice(struct gcn64_info *dev);
void gcn64_closeDevice(gcn64_hdl_t hdl);
int gcn64_send_cmd(gcn64_hdl_t hdl, const unsigned char *cmd, int len);
int gcn64_poll_result(gcn64_hdl_t hdl, unsigned char *cmd, int cmdlen);
int gcn64_exchange(gcn64_hdl_t hdl, unsigned char *outcmd, int outlen, unsigned char *result, int result_max);
#endif // _gcn64_h__

10
tool/gcn64_priv.h Normal file
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#ifndef _gcn64_priv_h__
#define _gcn64_priv_h__
#include "hidapi.h"
struct gcn64_list_ctx {
struct hid_device_info *devs, *cur_dev;
};
#endif

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tool/hid.c Normal file
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/*******************************************************
HIDAPI - Multi-Platform library for
communication with HID devices.
Alan Ott
Signal 11 Software
8/22/2009
Copyright 2009, All Rights Reserved.
At the discretion of the user of this library,
this software may be licensed under the terms of the
GNU General Public License v3, a BSD-Style license, or the
original HIDAPI license as outlined in the LICENSE.txt,
LICENSE-gpl3.txt, LICENSE-bsd.txt, and LICENSE-orig.txt
files located at the root of the source distribution.
These files may also be found in the public source
code repository located at:
http://github.com/signal11/hidapi .
********************************************************/
#include <windows.h>
#ifndef _NTDEF_
typedef LONG NTSTATUS;
#endif
#ifdef __MINGW32__
#include <ntdef.h>
#include <winbase.h>
#endif
#ifdef __CYGWIN__
#include <ntdef.h>
#define _wcsdup wcsdup
#endif
/*#define HIDAPI_USE_DDK*/
#ifdef __cplusplus
extern "C" {
#endif
#include <setupapi.h>
#include <winioctl.h>
#ifdef HIDAPI_USE_DDK
#include <hidsdi.h>
#endif
/* Copied from inc/ddk/hidclass.h, part of the Windows DDK. */
#define HID_OUT_CTL_CODE(id) \
CTL_CODE(FILE_DEVICE_KEYBOARD, (id), METHOD_OUT_DIRECT, FILE_ANY_ACCESS)
#define IOCTL_HID_GET_FEATURE HID_OUT_CTL_CODE(100)
#ifdef __cplusplus
} /* extern "C" */
#endif
#include <stdio.h>
#include <stdlib.h>
#include "hidapi.h"
#ifdef _MSC_VER
/* Thanks Microsoft, but I know how to use strncpy(). */
#pragma warning(disable:4996)
#endif
#ifdef __cplusplus
extern "C" {
#endif
#ifndef HIDAPI_USE_DDK
/* Since we're not building with the DDK, and the HID header
files aren't part of the SDK, we have to define all this
stuff here. In lookup_functions(), the function pointers
defined below are set. */
typedef struct _HIDD_ATTRIBUTES{
ULONG Size;
USHORT VendorID;
USHORT ProductID;
USHORT VersionNumber;
} HIDD_ATTRIBUTES, *PHIDD_ATTRIBUTES;
typedef USHORT USAGE;
typedef struct _HIDP_CAPS {
USAGE Usage;
USAGE UsagePage;
USHORT InputReportByteLength;
USHORT OutputReportByteLength;
USHORT FeatureReportByteLength;
USHORT Reserved[17];
USHORT fields_not_used_by_hidapi[10];
} HIDP_CAPS, *PHIDP_CAPS;
typedef void* PHIDP_PREPARSED_DATA;
#define HIDP_STATUS_SUCCESS 0x110000
typedef BOOLEAN (__stdcall *HidD_GetAttributes_)(HANDLE device, PHIDD_ATTRIBUTES attrib);
typedef BOOLEAN (__stdcall *HidD_GetSerialNumberString_)(HANDLE device, PVOID buffer, ULONG buffer_len);
typedef BOOLEAN (__stdcall *HidD_GetManufacturerString_)(HANDLE handle, PVOID buffer, ULONG buffer_len);
typedef BOOLEAN (__stdcall *HidD_GetProductString_)(HANDLE handle, PVOID buffer, ULONG buffer_len);
typedef BOOLEAN (__stdcall *HidD_SetFeature_)(HANDLE handle, PVOID data, ULONG length);
typedef BOOLEAN (__stdcall *HidD_GetFeature_)(HANDLE handle, PVOID data, ULONG length);
typedef BOOLEAN (__stdcall *HidD_GetIndexedString_)(HANDLE handle, ULONG string_index, PVOID buffer, ULONG buffer_len);
typedef BOOLEAN (__stdcall *HidD_GetPreparsedData_)(HANDLE handle, PHIDP_PREPARSED_DATA *preparsed_data);
typedef BOOLEAN (__stdcall *HidD_FreePreparsedData_)(PHIDP_PREPARSED_DATA preparsed_data);
typedef NTSTATUS (__stdcall *HidP_GetCaps_)(PHIDP_PREPARSED_DATA preparsed_data, HIDP_CAPS *caps);
static HidD_GetAttributes_ HidD_GetAttributes;
static HidD_GetSerialNumberString_ HidD_GetSerialNumberString;
static HidD_GetManufacturerString_ HidD_GetManufacturerString;
static HidD_GetProductString_ HidD_GetProductString;
static HidD_SetFeature_ HidD_SetFeature;
static HidD_GetFeature_ HidD_GetFeature;
static HidD_GetIndexedString_ HidD_GetIndexedString;
static HidD_GetPreparsedData_ HidD_GetPreparsedData;
static HidD_FreePreparsedData_ HidD_FreePreparsedData;
static HidP_GetCaps_ HidP_GetCaps;
static HMODULE lib_handle = NULL;
static BOOLEAN initialized = FALSE;
#endif /* HIDAPI_USE_DDK */
struct hid_device_ {
HANDLE device_handle;
BOOL blocking;
USHORT output_report_length;
size_t input_report_length;
void *last_error_str;
DWORD last_error_num;
BOOL read_pending;
char *read_buf;
OVERLAPPED ol;
};
static hid_device *new_hid_device()
{
hid_device *dev = (hid_device*) calloc(1, sizeof(hid_device));
dev->device_handle = INVALID_HANDLE_VALUE;
dev->blocking = TRUE;
dev->output_report_length = 0;
dev->input_report_length = 0;
dev->last_error_str = NULL;
dev->last_error_num = 0;
dev->read_pending = FALSE;
dev->read_buf = NULL;
memset(&dev->ol, 0, sizeof(dev->ol));
dev->ol.hEvent = CreateEvent(NULL, FALSE, FALSE /*inital state f=nonsignaled*/, NULL);
return dev;
}
static void free_hid_device(hid_device *dev)
{
CloseHandle(dev->ol.hEvent);
CloseHandle(dev->device_handle);
LocalFree(dev->last_error_str);
free(dev->read_buf);
free(dev);
}
static void register_error(hid_device *device, const char *op)
{
WCHAR *ptr, *msg;
FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPVOID)&msg, 0/*sz*/,
NULL);
/* Get rid of the CR and LF that FormatMessage() sticks at the
end of the message. Thanks Microsoft! */
ptr = msg;
while (*ptr) {
if (*ptr == '\r') {
*ptr = 0x0000;
break;
}
ptr++;
}
/* Store the message off in the Device entry so that
the hid_error() function can pick it up. */
LocalFree(device->last_error_str);
device->last_error_str = msg;
}
#ifndef HIDAPI_USE_DDK
static int lookup_functions()
{
lib_handle = LoadLibraryA("hid.dll");
if (lib_handle) {
#define RESOLVE(x) x = (x##_)GetProcAddress(lib_handle, #x); if (!x) return -1;
RESOLVE(HidD_GetAttributes);
RESOLVE(HidD_GetSerialNumberString);
RESOLVE(HidD_GetManufacturerString);
RESOLVE(HidD_GetProductString);
RESOLVE(HidD_SetFeature);
RESOLVE(HidD_GetFeature);
RESOLVE(HidD_GetIndexedString);
RESOLVE(HidD_GetPreparsedData);
RESOLVE(HidD_FreePreparsedData);
RESOLVE(HidP_GetCaps);
#undef RESOLVE
}
else
return -1;
return 0;
}
#endif
static HANDLE open_device(const char *path, BOOL enumerate)
{
HANDLE handle;
DWORD desired_access = (enumerate)? 0: (GENERIC_WRITE | GENERIC_READ);
DWORD share_mode = (enumerate)?
FILE_SHARE_READ|FILE_SHARE_WRITE:
FILE_SHARE_READ;
handle = CreateFileA(path,
desired_access,
share_mode,
NULL,
OPEN_EXISTING,
FILE_FLAG_OVERLAPPED,/*FILE_ATTRIBUTE_NORMAL,*/
0);
return handle;
}
int HID_API_EXPORT hid_init(void)
{
#ifndef HIDAPI_USE_DDK
if (!initialized) {
if (lookup_functions() < 0) {
hid_exit();
return -1;
}
initialized = TRUE;
}
#endif
return 0;
}
int HID_API_EXPORT hid_exit(void)
{
#ifndef HIDAPI_USE_DDK
if (lib_handle)
FreeLibrary(lib_handle);
lib_handle = NULL;
initialized = FALSE;
#endif
return 0;
}
struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned short vendor_id, unsigned short product_id)
{
BOOL res;
struct hid_device_info *root = NULL; /* return object */
struct hid_device_info *cur_dev = NULL;
/* Windows objects for interacting with the driver. */
GUID InterfaceClassGuid = {0x4d1e55b2, 0xf16f, 0x11cf, {0x88, 0xcb, 0x00, 0x11, 0x11, 0x00, 0x00, 0x30} };
SP_DEVINFO_DATA devinfo_data;
SP_DEVICE_INTERFACE_DATA device_interface_data;
SP_DEVICE_INTERFACE_DETAIL_DATA_A *device_interface_detail_data = NULL;
HDEVINFO device_info_set = INVALID_HANDLE_VALUE;
int device_index = 0;
int i;
if (hid_init() < 0)
return NULL;
/* Initialize the Windows objects. */
memset(&devinfo_data, 0x0, sizeof(devinfo_data));
devinfo_data.cbSize = sizeof(SP_DEVINFO_DATA);
device_interface_data.cbSize = sizeof(SP_DEVICE_INTERFACE_DATA);
/* Get information for all the devices belonging to the HID class. */
device_info_set = SetupDiGetClassDevsA(&InterfaceClassGuid, NULL, NULL, DIGCF_PRESENT | DIGCF_DEVICEINTERFACE);
/* Iterate over each device in the HID class, looking for the right one. */
for (;;) {
HANDLE write_handle = INVALID_HANDLE_VALUE;
DWORD required_size = 0;
HIDD_ATTRIBUTES attrib;
res = SetupDiEnumDeviceInterfaces(device_info_set,
NULL,
&InterfaceClassGuid,
device_index,
&device_interface_data);
if (!res) {
/* A return of FALSE from this function means that
there are no more devices. */
break;
}
/* Call with 0-sized detail size, and let the function
tell us how long the detail struct needs to be. The
size is put in &required_size. */
res = SetupDiGetDeviceInterfaceDetailA(device_info_set,
&device_interface_data,
NULL,
0,
&required_size,
NULL);
/* Allocate a long enough structure for device_interface_detail_data. */
device_interface_detail_data = (SP_DEVICE_INTERFACE_DETAIL_DATA_A*) malloc(required_size);
device_interface_detail_data->cbSize = sizeof(SP_DEVICE_INTERFACE_DETAIL_DATA_A);
/* Get the detailed data for this device. The detail data gives us
the device path for this device, which is then passed into
CreateFile() to get a handle to the device. */
res = SetupDiGetDeviceInterfaceDetailA(device_info_set,
&device_interface_data,
device_interface_detail_data,
required_size,
NULL,
NULL);
if (!res) {
/* register_error(dev, "Unable to call SetupDiGetDeviceInterfaceDetail");
Continue to the next device. */
goto cont;
}
/* Make sure this device is of Setup Class "HIDClass" and has a
driver bound to it. */
for (i = 0; ; i++) {
char driver_name[256];
/* Populate devinfo_data. This function will return failure
when there are no more interfaces left. */
res = SetupDiEnumDeviceInfo(device_info_set, i, &devinfo_data);
if (!res)
goto cont;
res = SetupDiGetDeviceRegistryPropertyA(device_info_set, &devinfo_data,
SPDRP_CLASS, NULL, (PBYTE)driver_name, sizeof(driver_name), NULL);
if (!res)
goto cont;
if (strcmp(driver_name, "HIDClass") == 0) {
/* See if there's a driver bound. */
res = SetupDiGetDeviceRegistryPropertyA(device_info_set, &devinfo_data,
SPDRP_DRIVER, NULL, (PBYTE)driver_name, sizeof(driver_name), NULL);
if (res)
break;
}
}
//wprintf(L"HandleName: %s\n", device_interface_detail_data->DevicePath);
/* Open a handle to the device */
write_handle = open_device(device_interface_detail_data->DevicePath, TRUE);
/* Check validity of write_handle. */
if (write_handle == INVALID_HANDLE_VALUE) {
/* Unable to open the device. */
//register_error(dev, "CreateFile");
goto cont_close;
}
/* Get the Vendor ID and Product ID for this device. */
attrib.Size = sizeof(HIDD_ATTRIBUTES);
HidD_GetAttributes(write_handle, &attrib);
//wprintf(L"Product/Vendor: %x %x\n", attrib.ProductID, attrib.VendorID);
/* Check the VID/PID to see if we should add this
device to the enumeration list. */
if ((vendor_id == 0x0 || attrib.VendorID == vendor_id) &&
(product_id == 0x0 || attrib.ProductID == product_id)) {
#define WSTR_LEN 512
const char *str;
struct hid_device_info *tmp;
PHIDP_PREPARSED_DATA pp_data = NULL;
HIDP_CAPS caps;
BOOLEAN res;
NTSTATUS nt_res;
wchar_t wstr[WSTR_LEN]; /* TODO: Determine Size */
size_t len;
/* VID/PID match. Create the record. */
tmp = (struct hid_device_info*) calloc(1, sizeof(struct hid_device_info));
if (cur_dev) {
cur_dev->next = tmp;
}
else {
root = tmp;
}
cur_dev = tmp;
/* Get the Usage Page and Usage for this device. */
res = HidD_GetPreparsedData(write_handle, &pp_data);
if (res) {
nt_res = HidP_GetCaps(pp_data, &caps);
if (nt_res == HIDP_STATUS_SUCCESS) {
cur_dev->usage_page = caps.UsagePage;
cur_dev->usage = caps.Usage;
}
HidD_FreePreparsedData(pp_data);
}
/* Fill out the record */
cur_dev->next = NULL;
str = device_interface_detail_data->DevicePath;
if (str) {
len = strlen(str);
cur_dev->path = (char*) calloc(len+1, sizeof(char));
strncpy(cur_dev->path, str, len+1);
cur_dev->path[len] = '\0';
}
else
cur_dev->path = NULL;
/* Serial Number */
res = HidD_GetSerialNumberString(write_handle, wstr, sizeof(wstr));
wstr[WSTR_LEN-1] = 0x0000;
if (res) {
cur_dev->serial_number = _wcsdup(wstr);
}
/* Manufacturer String */
res = HidD_GetManufacturerString(write_handle, wstr, sizeof(wstr));
wstr[WSTR_LEN-1] = 0x0000;
if (res) {
cur_dev->manufacturer_string = _wcsdup(wstr);
}
/* Product String */
res = HidD_GetProductString(write_handle, wstr, sizeof(wstr));
wstr[WSTR_LEN-1] = 0x0000;
if (res) {
cur_dev->product_string = _wcsdup(wstr);
}
/* VID/PID */
cur_dev->vendor_id = attrib.VendorID;
cur_dev->product_id = attrib.ProductID;
/* Release Number */
cur_dev->release_number = attrib.VersionNumber;
/* Interface Number. It can sometimes be parsed out of the path
on Windows if a device has multiple interfaces. See
http://msdn.microsoft.com/en-us/windows/hardware/gg487473 or
search for "Hardware IDs for HID Devices" at MSDN. If it's not
in the path, it's set to -1. */
cur_dev->interface_number = -1;
if (cur_dev->path) {
char *interface_component = strstr(cur_dev->path, "&mi_");
if (interface_component) {
char *hex_str = interface_component + 4;
char *endptr = NULL;
cur_dev->interface_number = strtol(hex_str, &endptr, 16);
if (endptr == hex_str) {
/* The parsing failed. Set interface_number to -1. */
cur_dev->interface_number = -1;
}
}
}
}
cont_close:
CloseHandle(write_handle);
cont:
/* We no longer need the detail data. It can be freed */
free(device_interface_detail_data);
device_index++;
}
/* Close the device information handle. */
SetupDiDestroyDeviceInfoList(device_info_set);
return root;
}
void HID_API_EXPORT HID_API_CALL hid_free_enumeration(struct hid_device_info *devs)
{
/* TODO: Merge this with the Linux version. This function is platform-independent. */
struct hid_device_info *d = devs;
while (d) {
struct hid_device_info *next = d->next;
free(d->path);
free(d->serial_number);
free(d->manufacturer_string);
free(d->product_string);
free(d);
d = next;
}
}
HID_API_EXPORT hid_device * HID_API_CALL hid_open(unsigned short vendor_id, unsigned short product_id, const wchar_t *serial_number)
{
/* TODO: Merge this functions with the Linux version. This function should be platform independent. */
struct hid_device_info *devs, *cur_dev;
const char *path_to_open = NULL;
hid_device *handle = NULL;
devs = hid_enumerate(vendor_id, product_id);
cur_dev = devs;
while (cur_dev) {
if (cur_dev->vendor_id == vendor_id &&
cur_dev->product_id == product_id) {
if (serial_number) {
if (wcscmp(serial_number, cur_dev->serial_number) == 0) {
path_to_open = cur_dev->path;
break;
}
}
else {
path_to_open = cur_dev->path;
break;
}
}
cur_dev = cur_dev->next;
}
if (path_to_open) {
/* Open the device */
handle = hid_open_path(path_to_open);
}
hid_free_enumeration(devs);
return handle;
}
HID_API_EXPORT hid_device * HID_API_CALL hid_open_path(const char *path)
{
hid_device *dev;
HIDP_CAPS caps;
PHIDP_PREPARSED_DATA pp_data = NULL;
BOOLEAN res;
NTSTATUS nt_res;
if (hid_init() < 0) {
return NULL;
}
dev = new_hid_device();
/* Open a handle to the device */
dev->device_handle = open_device(path, FALSE);
/* Check validity of write_handle. */
if (dev->device_handle == INVALID_HANDLE_VALUE) {
/* Unable to open the device. */
register_error(dev, "CreateFile");
goto err;
}
/* Get the Input Report length for the device. */
res = HidD_GetPreparsedData(dev->device_handle, &pp_data);
if (!res) {
register_error(dev, "HidD_GetPreparsedData");
goto err;
}
nt_res = HidP_GetCaps(pp_data, &caps);
if (nt_res != HIDP_STATUS_SUCCESS) {
register_error(dev, "HidP_GetCaps");
goto err_pp_data;
}
dev->output_report_length = caps.OutputReportByteLength;
dev->input_report_length = caps.InputReportByteLength;
HidD_FreePreparsedData(pp_data);
dev->read_buf = (char*) malloc(dev->input_report_length);
return dev;
err_pp_data:
HidD_FreePreparsedData(pp_data);
err:
free_hid_device(dev);
return NULL;
}
int HID_API_EXPORT HID_API_CALL hid_write(hid_device *dev, const unsigned char *data, size_t length)
{
DWORD bytes_written;
BOOL res;
OVERLAPPED ol;
unsigned char *buf;
memset(&ol, 0, sizeof(ol));
/* Make sure the right number of bytes are passed to WriteFile. Windows
expects the number of bytes which are in the _longest_ report (plus
one for the report number) bytes even if the data is a report
which is shorter than that. Windows gives us this value in
caps.OutputReportByteLength. If a user passes in fewer bytes than this,
create a temporary buffer which is the proper size. */
if (length >= dev->output_report_length) {
/* The user passed the right number of bytes. Use the buffer as-is. */
buf = (unsigned char *) data;
} else {
/* Create a temporary buffer and copy the user's data
into it, padding the rest with zeros. */
buf = (unsigned char *) malloc(dev->output_report_length);
memcpy(buf, data, length);
memset(buf + length, 0, dev->output_report_length - length);
length = dev->output_report_length;
}
res = WriteFile(dev->device_handle, buf, length, NULL, &ol);
if (!res) {
if (GetLastError() != ERROR_IO_PENDING) {
/* WriteFile() failed. Return error. */
register_error(dev, "WriteFile");
bytes_written = -1;
goto end_of_function;
}
}
/* Wait here until the write is done. This makes
hid_write() synchronous. */
res = GetOverlappedResult(dev->device_handle, &ol, &bytes_written, TRUE/*wait*/);
if (!res) {
/* The Write operation failed. */
register_error(dev, "WriteFile");
bytes_written = -1;
goto end_of_function;
}
end_of_function:
if (buf != data)
free(buf);
return bytes_written;
}
int HID_API_EXPORT HID_API_CALL hid_read_timeout(hid_device *dev, unsigned char *data, size_t length, int milliseconds)
{
DWORD bytes_read = 0;
BOOL res;
/* Copy the handle for convenience. */
HANDLE ev = dev->ol.hEvent;
if (!dev->read_pending) {
/* Start an Overlapped I/O read. */
dev->read_pending = TRUE;
memset(dev->read_buf, 0, dev->input_report_length);
ResetEvent(ev);
res = ReadFile(dev->device_handle, dev->read_buf, dev->input_report_length, &bytes_read, &dev->ol);
if (!res) {
if (GetLastError() != ERROR_IO_PENDING) {
/* ReadFile() has failed.
Clean up and return error. */
CancelIo(dev->device_handle);
dev->read_pending = FALSE;
goto end_of_function;
}
}
}
if (milliseconds >= 0) {
/* See if there is any data yet. */
res = WaitForSingleObject(ev, milliseconds);
if (res != WAIT_OBJECT_0) {
/* There was no data this time. Return zero bytes available,
but leave the Overlapped I/O running. */
return 0;
}
}
/* Either WaitForSingleObject() told us that ReadFile has completed, or
we are in non-blocking mode. Get the number of bytes read. The actual
data has been copied to the data[] array which was passed to ReadFile(). */
res = GetOverlappedResult(dev->device_handle, &dev->ol, &bytes_read, TRUE/*wait*/);
/* Set pending back to false, even if GetOverlappedResult() returned error. */
dev->read_pending = FALSE;
if (res && bytes_read > 0) {
if (dev->read_buf[0] == 0x0) {
/* If report numbers aren't being used, but Windows sticks a report
number (0x0) on the beginning of the report anyway. To make this
work like the other platforms, and to make it work more like the
HID spec, we'll skip over this byte. */
size_t copy_len;
bytes_read--;
copy_len = length > bytes_read ? bytes_read : length;
memcpy(data, dev->read_buf+1, copy_len);
}
else {
/* Copy the whole buffer, report number and all. */
size_t copy_len = length > bytes_read ? bytes_read : length;
memcpy(data, dev->read_buf, copy_len);
}
}
end_of_function:
if (!res) {
register_error(dev, "GetOverlappedResult");
return -1;
}
return bytes_read;
}
int HID_API_EXPORT HID_API_CALL hid_read(hid_device *dev, unsigned char *data, size_t length)
{
return hid_read_timeout(dev, data, length, (dev->blocking)? -1: 0);
}
int HID_API_EXPORT HID_API_CALL hid_set_nonblocking(hid_device *dev, int nonblock)
{
dev->blocking = !nonblock;
return 0; /* Success */
}
int HID_API_EXPORT HID_API_CALL hid_send_feature_report(hid_device *dev, const unsigned char *data, size_t length)
{
BOOL res = HidD_SetFeature(dev->device_handle, (PVOID)data, length);
if (!res) {
register_error(dev, "HidD_SetFeature");
return -1;
}
return length;
}
int HID_API_EXPORT HID_API_CALL hid_get_feature_report(hid_device *dev, unsigned char *data, size_t length)
{
BOOL res;
#if 0
res = HidD_GetFeature(dev->device_handle, data, length);
if (!res) {
register_error(dev, "HidD_GetFeature");
return -1;
}
return 0; /* HidD_GetFeature() doesn't give us an actual length, unfortunately */
#else
DWORD bytes_returned;
OVERLAPPED ol;
memset(&ol, 0, sizeof(ol));
res = DeviceIoControl(dev->device_handle,
IOCTL_HID_GET_FEATURE,
data, length,
data, length,
&bytes_returned, &ol);
if (!res) {
if (GetLastError() != ERROR_IO_PENDING) {
/* DeviceIoControl() failed. Return error. */
register_error(dev, "Send Feature Report DeviceIoControl");
return -1;
}
}
/* Wait here until the write is done. This makes
hid_get_feature_report() synchronous. */
res = GetOverlappedResult(dev->device_handle, &ol, &bytes_returned, TRUE/*wait*/);
if (!res) {
/* The operation failed. */
register_error(dev, "Send Feature Report GetOverLappedResult");
return -1;
}
return bytes_returned;
#endif
}
void HID_API_EXPORT HID_API_CALL hid_close(hid_device *dev)
{
if (!dev)
return;
CancelIo(dev->device_handle);
free_hid_device(dev);
}
int HID_API_EXPORT_CALL HID_API_CALL hid_get_manufacturer_string(hid_device *dev, wchar_t *string, size_t maxlen)
{
BOOL res;
res = HidD_GetManufacturerString(dev->device_handle, string, sizeof(wchar_t) * maxlen);
if (!res) {
register_error(dev, "HidD_GetManufacturerString");
return -1;
}
return 0;
}
int HID_API_EXPORT_CALL HID_API_CALL hid_get_product_string(hid_device *dev, wchar_t *string, size_t maxlen)
{
BOOL res;
res = HidD_GetProductString(dev->device_handle, string, sizeof(wchar_t) * maxlen);
if (!res) {
register_error(dev, "HidD_GetProductString");
return -1;
}
return 0;
}
int HID_API_EXPORT_CALL HID_API_CALL hid_get_serial_number_string(hid_device *dev, wchar_t *string, size_t maxlen)
{
BOOL res;
res = HidD_GetSerialNumberString(dev->device_handle, string, sizeof(wchar_t) * maxlen);
if (!res) {
register_error(dev, "HidD_GetSerialNumberString");
return -1;
}
return 0;
}
int HID_API_EXPORT_CALL HID_API_CALL hid_get_indexed_string(hid_device *dev, int string_index, wchar_t *string, size_t maxlen)
{
BOOL res;
res = HidD_GetIndexedString(dev->device_handle, string_index, string, sizeof(wchar_t) * maxlen);
if (!res) {
register_error(dev, "HidD_GetIndexedString");
return -1;
}
return 0;
}
HID_API_EXPORT const wchar_t * HID_API_CALL hid_error(hid_device *dev)
{
return (wchar_t*)dev->last_error_str;
}
/*#define PICPGM*/
/*#define S11*/
#define P32
#ifdef S11
unsigned short VendorID = 0xa0a0;
unsigned short ProductID = 0x0001;
#endif
#ifdef P32
unsigned short VendorID = 0x04d8;
unsigned short ProductID = 0x3f;
#endif
#ifdef PICPGM
unsigned short VendorID = 0x04d8;
unsigned short ProductID = 0x0033;
#endif
#if 0
int __cdecl main(int argc, char* argv[])
{
int res;
unsigned char buf[65];
UNREFERENCED_PARAMETER(argc);
UNREFERENCED_PARAMETER(argv);
/* Set up the command buffer. */
memset(buf,0x00,sizeof(buf));
buf[0] = 0;
buf[1] = 0x81;
/* Open the device. */
int handle = open(VendorID, ProductID, L"12345");
if (handle < 0)
printf("unable to open device\n");
/* Toggle LED (cmd 0x80) */
buf[1] = 0x80;
res = write(handle, buf, 65);
if (res < 0)
printf("Unable to write()\n");
/* Request state (cmd 0x81) */
buf[1] = 0x81;
write(handle, buf, 65);
if (res < 0)
printf("Unable to write() (2)\n");
/* Read requested state */
read(handle, buf, 65);
if (res < 0)
printf("Unable to read()\n");
/* Print out the returned buffer. */
for (int i = 0; i < 4; i++)
printf("buf[%d]: %d\n", i, buf[i]);
return 0;
}
#endif
#ifdef __cplusplus
} /* extern "C" */
#endif

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/*******************************************************
HIDAPI - Multi-Platform library for
communication with HID devices.
Alan Ott
Signal 11 Software
8/22/2009
Copyright 2009, All Rights Reserved.
At the discretion of the user of this library,
this software may be licensed under the terms of the
GNU General Public License v3, a BSD-Style license, or the
original HIDAPI license as outlined in the LICENSE.txt,
LICENSE-gpl3.txt, LICENSE-bsd.txt, and LICENSE-orig.txt
files located at the root of the source distribution.
These files may also be found in the public source
code repository located at:
http://github.com/signal11/hidapi .
********************************************************/
/** @file
* @defgroup API hidapi API
*/
#ifndef HIDAPI_H__
#define HIDAPI_H__
#include <wchar.h>
#ifdef _WIN32
#define HID_API_EXPORT __declspec(dllexport)
#define HID_API_CALL
#else
#define HID_API_EXPORT /**< API export macro */
#define HID_API_CALL /**< API call macro */
#endif
#define HID_API_EXPORT_CALL HID_API_EXPORT HID_API_CALL /**< API export and call macro*/
#ifdef __cplusplus
extern "C" {
#endif
struct hid_device_;
typedef struct hid_device_ hid_device; /**< opaque hidapi structure */
/** hidapi info structure */
struct hid_device_info {
/** Platform-specific device path */
char *path;
/** Device Vendor ID */
unsigned short vendor_id;
/** Device Product ID */
unsigned short product_id;
/** Serial Number */
wchar_t *serial_number;
/** Device Release Number in binary-coded decimal,
also known as Device Version Number */
unsigned short release_number;
/** Manufacturer String */
wchar_t *manufacturer_string;
/** Product string */
wchar_t *product_string;
/** Usage Page for this Device/Interface
(Windows/Mac only). */
unsigned short usage_page;
/** Usage for this Device/Interface
(Windows/Mac only).*/
unsigned short usage;
/** The USB interface which this logical device
represents. Valid on both Linux implementations
in all cases, and valid on the Windows implementation
only if the device contains more than one interface. */
int interface_number;
/** Pointer to the next device */
struct hid_device_info *next;
};
/** @brief Initialize the HIDAPI library.
This function initializes the HIDAPI library. Calling it is not
strictly necessary, as it will be called automatically by
hid_enumerate() and any of the hid_open_*() functions if it is
needed. This function should be called at the beginning of
execution however, if there is a chance of HIDAPI handles
being opened by different threads simultaneously.
@ingroup API
@returns
This function returns 0 on success and -1 on error.
*/
int HID_API_EXPORT HID_API_CALL hid_init(void);
/** @brief Finalize the HIDAPI library.
This function frees all of the static data associated with
HIDAPI. It should be called at the end of execution to avoid
memory leaks.
@ingroup API
@returns
This function returns 0 on success and -1 on error.
*/
int HID_API_EXPORT HID_API_CALL hid_exit(void);
/** @brief Enumerate the HID Devices.
This function returns a linked list of all the HID devices
attached to the system which match vendor_id and product_id.
If @p vendor_id is set to 0 then any vendor matches.
If @p product_id is set to 0 then any product matches.
If @p vendor_id and @p product_id are both set to 0, then
all HID devices will be returned.
@ingroup API
@param vendor_id The Vendor ID (VID) of the types of device
to open.
@param product_id The Product ID (PID) of the types of
device to open.
@returns
This function returns a pointer to a linked list of type
struct #hid_device, containing information about the HID devices
attached to the system, or NULL in the case of failure. Free
this linked list by calling hid_free_enumeration().
*/
struct hid_device_info HID_API_EXPORT * HID_API_CALL hid_enumerate(unsigned short vendor_id, unsigned short product_id);
/** @brief Free an enumeration Linked List
This function frees a linked list created by hid_enumerate().
@ingroup API
@param devs Pointer to a list of struct_device returned from
hid_enumerate().
*/
void HID_API_EXPORT HID_API_CALL hid_free_enumeration(struct hid_device_info *devs);
/** @brief Open a HID device using a Vendor ID (VID), Product ID
(PID) and optionally a serial number.
If @p serial_number is NULL, the first device with the
specified VID and PID is opened.
@ingroup API
@param vendor_id The Vendor ID (VID) of the device to open.
@param product_id The Product ID (PID) of the device to open.
@param serial_number The Serial Number of the device to open
(Optionally NULL).
@returns
This function returns a pointer to a #hid_device object on
success or NULL on failure.
*/
HID_API_EXPORT hid_device * HID_API_CALL hid_open(unsigned short vendor_id, unsigned short product_id, const wchar_t *serial_number);
/** @brief Open a HID device by its path name.
The path name be determined by calling hid_enumerate(), or a
platform-specific path name can be used (eg: /dev/hidraw0 on
Linux).
@ingroup API
@param path The path name of the device to open
@returns
This function returns a pointer to a #hid_device object on
success or NULL on failure.
*/
HID_API_EXPORT hid_device * HID_API_CALL hid_open_path(const char *path);
/** @brief Write an Output report to a HID device.
The first byte of @p data[] must contain the Report ID. For
devices which only support a single report, this must be set
to 0x0. The remaining bytes contain the report data. Since
the Report ID is mandatory, calls to hid_write() will always
contain one more byte than the report contains. For example,
if a hid report is 16 bytes long, 17 bytes must be passed to
hid_write(), the Report ID (or 0x0, for devices with a
single report), followed by the report data (16 bytes). In
this example, the length passed in would be 17.
hid_write() will send the data on the first OUT endpoint, if
one exists. If it does not, it will send the data through
the Control Endpoint (Endpoint 0).
@ingroup API
@param device A device handle returned from hid_open().
@param data The data to send, including the report number as
the first byte.
@param length The length in bytes of the data to send.
@returns
This function returns the actual number of bytes written and
-1 on error.
*/
int HID_API_EXPORT HID_API_CALL hid_write(hid_device *device, const unsigned char *data, size_t length);
/** @brief Read an Input report from a HID device with timeout.
Input reports are returned
to the host through the INTERRUPT IN endpoint. The first byte will
contain the Report number if the device uses numbered reports.
@ingroup API
@param device A device handle returned from hid_open().
@param data A buffer to put the read data into.
@param length The number of bytes to read. For devices with
multiple reports, make sure to read an extra byte for
the report number.
@param milliseconds timeout in milliseconds or -1 for blocking wait.
@returns
This function returns the actual number of bytes read and
-1 on error. If no packet was available to be read within
the timeout period, this function returns 0.
*/
int HID_API_EXPORT HID_API_CALL hid_read_timeout(hid_device *dev, unsigned char *data, size_t length, int milliseconds);
/** @brief Read an Input report from a HID device.
Input reports are returned
to the host through the INTERRUPT IN endpoint. The first byte will
contain the Report number if the device uses numbered reports.
@ingroup API
@param device A device handle returned from hid_open().
@param data A buffer to put the read data into.
@param length The number of bytes to read. For devices with
multiple reports, make sure to read an extra byte for
the report number.
@returns
This function returns the actual number of bytes read and
-1 on error. If no packet was available to be read and
the handle is in non-blocking mode, this function returns 0.
*/
int HID_API_EXPORT HID_API_CALL hid_read(hid_device *device, unsigned char *data, size_t length);
/** @brief Set the device handle to be non-blocking.
In non-blocking mode calls to hid_read() will return
immediately with a value of 0 if there is no data to be
read. In blocking mode, hid_read() will wait (block) until
there is data to read before returning.
Nonblocking can be turned on and off at any time.
@ingroup API
@param device A device handle returned from hid_open().
@param nonblock enable or not the nonblocking reads
- 1 to enable nonblocking
- 0 to disable nonblocking.
@returns
This function returns 0 on success and -1 on error.
*/
int HID_API_EXPORT HID_API_CALL hid_set_nonblocking(hid_device *device, int nonblock);
/** @brief Send a Feature report to the device.
Feature reports are sent over the Control endpoint as a
Set_Report transfer. The first byte of @p data[] must
contain the Report ID. For devices which only support a
single report, this must be set to 0x0. The remaining bytes
contain the report data. Since the Report ID is mandatory,
calls to hid_send_feature_report() will always contain one
more byte than the report contains. For example, if a hid
report is 16 bytes long, 17 bytes must be passed to
hid_send_feature_report(): the Report ID (or 0x0, for
devices which do not use numbered reports), followed by the
report data (16 bytes). In this example, the length passed
in would be 17.
@ingroup API
@param device A device handle returned from hid_open().
@param data The data to send, including the report number as
the first byte.
@param length The length in bytes of the data to send, including
the report number.
@returns
This function returns the actual number of bytes written and
-1 on error.
*/
int HID_API_EXPORT HID_API_CALL hid_send_feature_report(hid_device *device, const unsigned char *data, size_t length);
/** @brief Get a feature report from a HID device.
Make sure to set the first byte of @p data[] to the Report
ID of the report to be read. Make sure to allow space for
this extra byte in @p data[].
@ingroup API
@param device A device handle returned from hid_open().
@param data A buffer to put the read data into, including
the Report ID. Set the first byte of @p data[] to the
Report ID of the report to be read.
@param length The number of bytes to read, including an
extra byte for the report ID. The buffer can be longer
than the actual report.
@returns
This function returns the number of bytes read and
-1 on error.
*/
int HID_API_EXPORT HID_API_CALL hid_get_feature_report(hid_device *device, unsigned char *data, size_t length);
/** @brief Close a HID device.
@ingroup API
@param device A device handle returned from hid_open().
*/
void HID_API_EXPORT HID_API_CALL hid_close(hid_device *device);
/** @brief Get The Manufacturer String from a HID device.
@ingroup API
@param device A device handle returned from hid_open().
@param string A wide string buffer to put the data into.
@param maxlen The length of the buffer in multiples of wchar_t.
@returns
This function returns 0 on success and -1 on error.
*/
int HID_API_EXPORT_CALL hid_get_manufacturer_string(hid_device *device, wchar_t *string, size_t maxlen);
/** @brief Get The Product String from a HID device.
@ingroup API
@param device A device handle returned from hid_open().
@param string A wide string buffer to put the data into.
@param maxlen The length of the buffer in multiples of wchar_t.
@returns
This function returns 0 on success and -1 on error.
*/
int HID_API_EXPORT_CALL hid_get_product_string(hid_device *device, wchar_t *string, size_t maxlen);
/** @brief Get The Serial Number String from a HID device.
@ingroup API
@param device A device handle returned from hid_open().
@param string A wide string buffer to put the data into.
@param maxlen The length of the buffer in multiples of wchar_t.
@returns
This function returns 0 on success and -1 on error.
*/
int HID_API_EXPORT_CALL hid_get_serial_number_string(hid_device *device, wchar_t *string, size_t maxlen);
/** @brief Get a string from a HID device, based on its string index.
@ingroup API
@param device A device handle returned from hid_open().
@param string_index The index of the string to get.
@param string A wide string buffer to put the data into.
@param maxlen The length of the buffer in multiples of wchar_t.
@returns
This function returns 0 on success and -1 on error.
*/
int HID_API_EXPORT_CALL hid_get_indexed_string(hid_device *device, int string_index, wchar_t *string, size_t maxlen);
/** @brief Get a string describing the last error which occurred.
@ingroup API
@param device A device handle returned from hid_open().
@returns
This function returns a string containing the last error
which occurred or NULL if none has occurred.
*/
HID_API_EXPORT const wchar_t* HID_API_CALL hid_error(hid_device *device);
#ifdef __cplusplus
}
#endif
#endif

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/* wusbmote: Wiimote accessory to USB Adapter
* Copyright (C) 2012-2014 Raphaël Assénat
*
* 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.
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* The author may be contacted at raph@raphnet.net
*/
#include <stdio.h>
#include <string.h>
#include <getopt.h>
#include <stdlib.h>
#include <unistd.h>
#include <wchar.h>
#include "version.h"
#include "gcn64.h"
#include "../requests.h"
#include "../gcn64_protocol.h"
static void printUsage(void)
{
printf("./gcn64_ctl [OPTION]... [COMMAND]....\n");
printf("Control tool for WUSBmote adapter. Version %s\n", VERSION_STR);
printf("\n");
printf("Options:\n");
printf(" -h, --help Print help\n");
printf(" -l, --list List devices\n");
printf(" -s serial Operate on specified device (required unless -f is specified)\n");
printf(" -f, --force If no serial is specified, use first device detected.\n");
printf(" -o, --outfile Output file for read operations (eg: --n64-mempak-dump)\n");
printf("\n");
printf("Configuration commands:\n");
printf(" --set_serial serial Assign a new device serial number\n");
printf(" --get_serial Read serial from eeprom\n");
printf("\n");
printf("Advanced commands:\n");
printf(" --bootloader Re-enumerate in bootloader mode\n");
printf(" --suspend_polling Stop polling controller\n");
printf("\n");
printf("Raw controller commands:\n");
printf(" --n64_getstatus Read N64 controller status now\n");
printf(" --gc_getstatus Read GC controller status now (turns rumble OFF)\n");
printf(" --gc_getstatus_rumble Read GC controller status now (turns rumble ON)\n");
printf(" --n64_getcaps Get N64 controller capabilities (or status such as pak present)\n");
printf(" --n64_mempak_dump Dump (display) N64 mempak contents\n");
}
#define OPT_OUTFILE 'o'
#define OPT_SET_SERIAL 257
#define OPT_GET_SERIAL 258
#define OPT_BOOTLOADER 300
#define OPT_N64_GETSTATUS 301
#define OPT_GC_GETSTATUS 302
#define OPT_GC_GETSTATUS_RUMBLE 303
#define OPT_N64_MEMPAK_DUMP 304
#define OPT_N64_GETCAPS 305
#define OPT_SUSPEND_POLLING 306
struct option longopts[] = {
{ "help", 0, NULL, 'h' },
{ "list", 0, NULL, 'l' },
{ "force", 0, NULL, 'f' },
{ "set_serial", 1, NULL, OPT_SET_SERIAL },
{ "get_serial", 0, NULL, OPT_GET_SERIAL },
{ "bootloader", 0, NULL, OPT_BOOTLOADER },
{ "n64_getstatus", 0, NULL, OPT_N64_GETSTATUS },
{ "gc_getstatus", 0, NULL, OPT_GC_GETSTATUS },
{ "gc_getstatus_rumble", 0, NULL, OPT_GC_GETSTATUS_RUMBLE },
{ "n64_getcaps", 0, NULL, OPT_N64_GETCAPS },
{ "n64_mempak_dump", 0, NULL, OPT_N64_MEMPAK_DUMP },
{ "suspend_polling", 0, NULL, OPT_SUSPEND_POLLING },
{ "outfile", 0, NULL, OPT_OUTFILE },
{ },
};
static int listDevices(void)
{
int n_found = 0;
struct gcn64_list_ctx *listctx;
struct gcn64_info inf;
listctx = gcn64_allocListCtx();
if (!listctx) {
fprintf(stderr, "List context could not be allocated\n");
return -1;
}
while (gcn64_listDevices(&inf, listctx))
{
n_found++;
printf("Found device '%ls', serial '%ls'\n", inf.str_prodname, inf.str_serial);
}
gcn64_freeListCtx(listctx);
printf("%d device(s) found\n", n_found);
return n_found;
}
int main(int argc, char **argv)
{
gcn64_hdl_t hdl;
struct gcn64_list_ctx *listctx;
int opt, retval = 0;
struct gcn64_info inf;
struct gcn64_info *selected_device = NULL;
int verbose = 0, use_first = 0, serial_specified = 0;
int cmd_list = 0;
#define TARGET_SERIAL_CHARS 128
wchar_t target_serial[TARGET_SERIAL_CHARS];
const char *short_optstr = "hls:vfo:";
const char *outfile = NULL;
while((opt = getopt_long(argc, argv, short_optstr, longopts, NULL)) != -1) {
switch(opt)
{
case 's':
{
mbstate_t ps;
memset(&ps, 0, sizeof(ps));
if (mbsrtowcs(target_serial, (const char **)&optarg, TARGET_SERIAL_CHARS, &ps) < 1) {
fprintf(stderr, "Invalid serial number specified\n");
return -1;
}
serial_specified = 1;
}
break;
case 'f':
use_first = 1;
break;
case 'v':
verbose = 1;
break;
case 'h':
printUsage();
return 0;
case 'l':
cmd_list = 1;
break;
case 'o':
outfile = optarg;
printf("Output file: %s\n", outfile);
break;
case '?':
fprintf(stderr, "Unrecognized argument. Try -h\n");
return -1;
}
}
gcn64_init(verbose);
if (cmd_list) {
printf("Simply listing the devices...\n");
return listDevices();
}
if (!serial_specified && !use_first) {
fprintf(stderr, "A serial number or -f must be used. Try -h for more information.\n");
return 1;
}
listctx = gcn64_allocListCtx();
while ((selected_device = gcn64_listDevices(&inf, listctx)))
{
if (serial_specified) {
if (0 == wcscmp(inf.str_serial, target_serial)) {
break;
}
}
else {
// use_first == 1
printf("Will use device '%ls' serial '%ls'\n", inf.str_prodname, inf.str_serial);
break;
}
}
gcn64_freeListCtx(listctx);
if (!selected_device) {
if (serial_specified) {
fprintf(stderr, "Device not found\n");
} else {
fprintf(stderr, "No device found\n");
}
return 1;
}
hdl = gcn64_openDevice(selected_device);
if (!hdl) {
printf("Error opening device. (Do you have permissions?)\n");
return 1;
}
printf("Ready.\n");
optind = 1;
while((opt = getopt_long(argc, argv, short_optstr, longopts, NULL)) != -1)
{
unsigned char cmd[64] = { };
int n;
int cmdlen = 0;
switch (opt)
{
case OPT_SET_SERIAL:
printf("Setting serial...");
if (strlen(optarg) != 6) {
fprintf(stderr, "Serial number must be 6 characters\n");
return -1;
}
cmd[0] = RQ_GCN64_SET_CONFIG_PARAM;
cmd[1] = CFG_PARAM_SERIAL;
memcpy(cmd + 2, optarg, 6);
cmdlen = 8;
break;
case OPT_GET_SERIAL:
cmd[0] = RQ_GCN64_GET_CONFIG_PARAM;
cmd[1] = CFG_PARAM_SERIAL;
cmdlen = 2;
break;
case OPT_BOOTLOADER:
printf("Sending 'jump to bootloader' command...");
cmd[0] = RQ_GCN64_JUMP_TO_BOOTLOADER;
cmdlen = 1;
break;
case OPT_SUSPEND_POLLING:
cmd[0] = RQ_GCN64_SUSPEND_POLLING;
cmdlen = 1;
break;
case OPT_N64_GETSTATUS:
cmd[0] = RQ_GCN64_RAW_SI_COMMAND;
cmd[1] = 0x01; // Length of SI command
cmd[2] = N64_GET_STATUS; // N64 GET status
cmdlen = 3;
break;
case OPT_GC_GETSTATUS:
cmd[0] = RQ_GCN64_RAW_SI_COMMAND;
cmd[1] = 0x03; // Length of SI command
cmd[2] = GC_GETSTATUS1;
cmd[3] = GC_GETSTATUS2;
cmd[4] = GC_GETSTATUS3(0);
cmdlen = 5;
break;
case OPT_GC_GETSTATUS_RUMBLE:
cmd[0] = RQ_GCN64_RAW_SI_COMMAND;
cmd[1] = 0x03; // Length of SI command
cmd[2] = GC_GETSTATUS1;
cmd[3] = GC_GETSTATUS2;
cmd[4] = GC_GETSTATUS3(0);
cmdlen = 5;
break;
case OPT_N64_GETCAPS:
cmd[0] = RQ_GCN64_RAW_SI_COMMAND;
cmd[1] = 0x01; // Length of SI command
cmd[2] = N64_GET_CAPABILITIES; // N64 GET status
cmdlen = 3;
break;
case OPT_N64_MEMPAK_DUMP:
mempak_dump(hdl);
break;
}
if (cmd[0]) {
int i;
n = gcn64_exchange(hdl, cmd, cmdlen, cmd, sizeof(cmd));
if (n<0)
break;
printf("Result: %d bytes: ", n);
for (i=0; i<n; i++) {
printf("%02x ", cmd[i]);
}
printf("\n");
}
}
gcn64_closeDevice(hdl);
gcn64_shutdown();
return retval;
}

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tool/mempak.c Normal file
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#include <stdio.h>
#include <string.h>
#include <ctype.h>
#include <stdint.h>
#include "gcn64.h"
#include "../gcn64_protocol.h"
#include "../requests.h"
/* __calc_address_crc is from libdragon which is public domain. */
/**
* @brief Calculate the 5 bit CRC on a mempak address
*
* This function, given an address intended for a mempak read or write, will
* calculate the CRC on the address, returning the corrected address | CRC.
*
* @param[in] address
* The mempak address to calculate CRC over
*
* @return The mempak address | CRC
*/
static uint16_t __calc_address_crc( uint16_t address )
{
/* CRC table */
uint16_t xor_table[16] = { 0x0, 0x0, 0x0, 0x0, 0x0, 0x15, 0x1F, 0x0B, 0x16, 0x19, 0x07, 0x0E, 0x1C, 0x0D, 0x1A, 0x01 };
uint16_t crc = 0;
int i;
/* Make sure we have a valid address */
address &= ~0x1F;
/* Go through each bit in the address, and if set, xor the right value into the output */
for( i = 15; i >= 5; i-- )
{
/* Is this bit set? */
if( ((address >> i) & 0x1) )
{
crc ^= xor_table[i];
}
}
/* Just in case */
crc &= 0x1F;
/* Create a new address with the CRC appended */
return address | crc;
}
/* __calc_data_crc is from libdragon which is public domain. */
/**
* @brief Calculate the 8 bit CRC over a 32-byte block of data
*
* This function calculates the 8 bit CRC appropriate for checking a 32-byte
* block of data intended for or retrieved from a mempak.
*
* @param[in] data
* Pointer to 32 bytes of data to run the CRC over
*
* @return The calculated 8 bit CRC over the data
*/
static uint8_t __calc_data_crc( uint8_t *data )
{
uint8_t ret = 0;
int i,j;
for( i = 0; i <= 32; i++ )
{
for( j = 7; j >= 0; j-- )
{
int tmp = 0;
if( ret & 0x80 )
{
tmp = 0x85;
}
ret <<= 1;
if( i < 32 )
{
if( data[i] & (0x01 << j) )
{
ret |= 0x1;
}
}
ret ^= tmp;
}
}
return ret;
}
int mempak_writeBlock(gcn64_hdl_t hdl, unsigned short addr, unsigned char data[32])
{
unsigned char cmd[64];
int cmdlen;
int n;
uint16_t addr_crc;
addr_crc = __calc_address_crc(addr);
cmd[0] = RQ_GCN64_RAW_SI_COMMAND;
cmd[1] = 3;
cmd[2] = N64_EXPANSION_READ;
cmd[3] = addr_crc>>8; // Address high byte
cmd[4] = addr_crc&0xff; // Address low byte
memcpy(cmd + 5, data, 0x20);
cmdlen = 5 + 0x20;
n = gcn64_exchange(hdl, cmd, cmdlen, cmd, sizeof(cmd));
if (n != 35)
return -1;
return 0x20;
}
int mempak_readBlock(gcn64_hdl_t hdl, unsigned short addr, unsigned char dst[32])
{
unsigned char cmd[64];
int cmdlen;
int n;
uint16_t addr_crc;
unsigned char crc;
addr_crc = __calc_address_crc(addr);
cmd[0] = RQ_GCN64_RAW_SI_COMMAND;
cmd[1] = 3;
cmd[2] = N64_EXPANSION_READ;
cmd[3] = addr_crc>>8; // Address high byte
cmd[4] = addr_crc&0xff; // Address low byte
cmdlen = 5;
//printf("Addr 0x%04x with crc -> 0x%04x\n", addr, addr_crc);
n = gcn64_exchange(hdl, cmd, cmdlen, cmd, sizeof(cmd));
if (n != 35)
return -1;
memcpy(dst, cmd + 2, 0x20);
crc = __calc_data_crc(dst);
if (crc != cmd[34]) {
fprintf(stderr, "Bad CRC reading address 0x%04x\n", addr);
return -1;
}
return 0x20;
}
int mempak_init(gcn64_hdl_t hdl)
{
unsigned char buf[0x20];
memset(buf, 0xfe, 32);
mempak_writeBlock(hdl, 0x8000, buf);
memset(buf, 0x80, 32);
mempak_writeBlock(hdl, 0x8000, buf);
return 0;
}
#define DUMP_SIZE 0x8000
int mempak_readAll(gcn64_hdl_t hdl, unsigned char dstbuf[0x8000])
{
unsigned short addr;
for (addr = 0x0000; addr < DUMP_SIZE; addr+= 0x20)
{
printf("Reading address 0x%04x / 0x8000\r", addr); fflush(stdout);
if (mempak_readBlock(hdl, addr, &dstbuf[addr]) != 0x20) {
fprintf(stderr, "Error: Short read\n");
return -1;
}
}
printf("\nDone!\n");
return 0;
}
void mempak_dump(gcn64_hdl_t hdl)
{
unsigned char cardbuf[0x8000];
int i,j;
printf("Init pak\n");
mempak_init(hdl);
printf("Reading card...\n");
mempak_readAll(hdl, cardbuf);
for (i=0; i<DUMP_SIZE; i+=0x20) {
printf("%04x: ", i);
for (j=0; j<0x20; j++) {
printf("%02x ", cardbuf[i+j]);
}
printf(" ");
for (j=0; j<0x20; j++) {
printf("%c", isprint(cardbuf[i+j]) ? cardbuf[i+j] : '.' );
}
printf("\n");
}
}

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void mempak_dump(gcn64_hdl_t hdl);
int mempak_readBlock(gcn64_hdl_t hdl, unsigned short addr, unsigned char dst[32]);

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#ifndef _version_h__
#define _version_h__
#define VERSION_STR "1.1.1"
#endif