44 lines
876 B
Swift
44 lines
876 B
Swift
import Foundation
|
|
|
|
enum TemperatureValue {
|
|
case notFound
|
|
case invalidMeasurement
|
|
case value(Double)
|
|
|
|
init(byte: UInt8) {
|
|
switch byte {
|
|
case 0:
|
|
self = .notFound
|
|
case 1:
|
|
self = .invalidMeasurement
|
|
default:
|
|
self = .value(Double(byte) * 0.5 - 40)
|
|
}
|
|
}
|
|
|
|
var optionalValue: Double? {
|
|
if case .value(let val) = self {
|
|
return val
|
|
}
|
|
return nil
|
|
}
|
|
|
|
var isValid: Bool {
|
|
if case .value = self {
|
|
return true
|
|
}
|
|
return false
|
|
}
|
|
|
|
var text: String {
|
|
switch self {
|
|
case .notFound:
|
|
return "No sensor"
|
|
case .invalidMeasurement:
|
|
return "Invalid"
|
|
case .value(let value):
|
|
return String(format:" %.1f°C", value)
|
|
}
|
|
}
|
|
}
|