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/** @file
Copyright (c) 2017 - 2021, Arm Limited. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef ACPI_HELPER_LIB_H_
#define ACPI_HELPER_LIB_H_
/** Is a character upper case
*/
#define IS_UPPER_CHAR(x) ((x >= 'A') && (x <= 'Z'))
/** Is a character a decimal digit
*/
#define IS_DIGIT(x) ((x >= '0') && (x <= '9'))
/** Is a character an upper case hexadecimal digit
*/
#define IS_UPPER_HEX(x) (((x >= 'A') && (x <= 'F')) || IS_DIGIT (x))
/** Convert a hex number to its ASCII code.
@param [in] x Hex number to convert.
Must be 0 <= x < 16.
@return The ASCII code corresponding to x.
**/
UINT8
EFIAPI
AsciiFromHex (
IN UINT8 x
);
/** Check if a HID is a valid PNP ID.
@param [in] Hid The Hid to validate.
@retval TRUE The Hid is a valid PNP ID.
@retval FALSE The Hid is not a valid PNP ID.
**/
BOOLEAN
IsValidPnpId (
IN CONST CHAR8 * Hid
);
/** Check if a HID is a valid ACPI ID.
@param [in] Hid The Hid to validate.
@retval TRUE The Hid is a valid ACPI ID.
@retval FALSE The Hid is not a valid ACPI ID.
**/
BOOLEAN
IsValidAcpiId (
IN CONST CHAR8 * Hid
);
#endif // ACPI_HELPER_LIB_H_
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