mirror of https://github.com/nirenjan/libx52.git
115 lines
2.2 KiB
C
115 lines
2.2 KiB
C
/*
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* Saitek X52 IO driver
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*
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* Copyright (C) 2012-2020 Nirenjan Krishnan (nirenjan@nirenjan.org)
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*
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* SPDX-License-Identifier: GPL-2.0-only WITH Classpath-exception-2.0
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include "io_common.h"
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#include "usb-ids.h"
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#include "gettext.h"
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int libx52io_init(libx52io_context **ctx)
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{
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libx52io_context *tmp;
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if (ctx == NULL) {
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return LIBX52IO_ERROR_INVALID;
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}
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if (hid_init()) {
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return LIBX52IO_ERROR_INIT_FAILURE;
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}
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// Allocate a context
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tmp = calloc(1, sizeof(*tmp));
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if (tmp == NULL) {
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return LIBX52IO_ERROR_INIT_FAILURE;
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}
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*ctx = tmp;
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#if ENABLE_NLS
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/* Setup the gettext utilities */
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bindtextdomain(PACKAGE, LOCALEDIR);
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#endif
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return LIBX52IO_SUCCESS;
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}
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void libx52io_exit(libx52io_context *ctx)
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{
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// Close any open handles, free context
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if (ctx == NULL) {
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return;
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}
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libx52io_close(ctx);
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hid_exit();
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}
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int libx52io_close(libx52io_context *ctx)
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{
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if (ctx == NULL) {
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return LIBX52IO_ERROR_INVALID;
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}
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if (ctx->handle != NULL) {
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hid_close(ctx->handle);
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}
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memset(ctx, 0, sizeof(*ctx));
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return LIBX52IO_SUCCESS;
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}
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int libx52io_open(libx52io_context *ctx)
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{
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struct hid_device_info *devs, *cur_dev;
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int rc = LIBX52IO_SUCCESS;
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if (ctx == NULL) {
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return LIBX52IO_ERROR_INVALID;
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}
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/* Close any already open handles */
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libx52io_close(ctx);
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/* Enumerate all Saitek HID devices */
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devs = hid_enumerate(VENDOR_SAITEK, 0);
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cur_dev = devs;
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while (cur_dev) {
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switch (cur_dev->product_id) {
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case X52_PROD_X52_1:
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case X52_PROD_X52_2:
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case X52_PROD_X52PRO:
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ctx->handle = hid_open_path(cur_dev->path);
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if (ctx->handle == NULL) {
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rc = LIBX52IO_ERROR_CONN;
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goto finally;
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}
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ctx->pid = cur_dev->product_id;
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_x52io_set_axis_range(ctx);
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_x52io_set_report_parser(ctx);
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rc = LIBX52IO_SUCCESS;
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goto finally;
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break;
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default:
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break;
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}
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cur_dev = cur_dev->next;
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}
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finally:
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hid_free_enumeration(devs);
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return rc;
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}
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