Utils.h 479 Bytes

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//
//  Utils.h
//  ActsBluetoothOTA
//
//  Created by inidhu on 2019/5/22.
//  Copyright © 2019 Actions. All rights reserved.
//
#import <Foundation/Foundation.h>
NS_ASSUME_NONNULL_BEGIN

@interface Utils : NSObject

+ (UInt32)bytes2UInt32:(Byte*) bytes index:(NSInteger) index;
+ (UInt16)bytes2Short:(Byte*) bytes index:(NSInteger) index;

+ (NSArray *)getZeroBitIndexMap:(NSData *) bitmap groupNum:(int) group;

+ (int32_t)crc32:(NSData *)data;

@end

NS_ASSUME_NONNULL_END