fwupd/plugins/logitech-hidpp/fu-logitech-hidpp-common.c
2021-08-24 11:18:40 -05:00

47 lines
1000 B
C

/*
* Copyright (C) 2016 Richard Hughes <richard@hughsie.com>
*
* SPDX-License-Identifier: LGPL-2.1+
*/
#include "config.h"
#include <fcntl.h>
#include <gio/gio.h>
#include <string.h>
#include "fu-logitech-hidpp-common.h"
guint8
fu_logitech_hidpp_buffer_read_uint8(const gchar *str)
{
guint64 tmp;
gchar buf[3] = {0x0, 0x0, 0x0};
memcpy(buf, str, 2);
tmp = g_ascii_strtoull(buf, NULL, 16);
return tmp;
}
guint16
fu_logitech_hidpp_buffer_read_uint16(const gchar *str)
{
guint64 tmp;
gchar buf[5] = {0x0, 0x0, 0x0, 0x0, 0x0};
memcpy(buf, str, 4);
tmp = g_ascii_strtoull(buf, NULL, 16);
return tmp;
}
gchar *
fu_logitech_hidpp_format_version(const gchar *name, guint8 major, guint8 minor, guint16 build)
{
GString *str = g_string_new(NULL);
for (guint i = 0; i < 3; i++) {
if (g_ascii_isspace(name[i]) || name[i] == '\0')
continue;
g_string_append_c(str, name[i]);
}
g_string_append_printf(str, "%02x.%02x_B%04x", major, minor, build);
return g_string_free(str, FALSE);
}