28 lines
702 B
Swift
28 lines
702 B
Swift
import Foundation
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extension Int {
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var twoByteData: Data {
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let value = UInt16(clamping: self)
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return Data([value.low, value.high])
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}
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var fourByteData: Data {
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let value = UInt32(clamping: self)
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return Data([
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UInt8(value & 0xFF),
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UInt8((value >> 8) & 0xFF),
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UInt8((value >> 16) & 0xFF),
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UInt8((value >> 24) & 0xFF)
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])
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}
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init(uint32 byte0: UInt8, _ byte1: UInt8, _ byte2: UInt8, _ byte3: UInt8) {
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self = (Int(byte0) << 24) | (Int(byte1) << 16) | (Int(byte2) << 8) | Int(byte3)
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}
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init(high: UInt8, low: UInt8) {
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self = Int(high) << 8 + Int(low)
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}
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}
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