mirror of https://github.com/periph/devices
devices: Move interfaces and structs into physic
This made otherwise a weird import DAG. Fixes #137pull/1/head
Marc-Antoine Ruel
8 years ago
parent
cd1516dfb2
commit
fc241bc91d
@ -1,113 +0,0 @@
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// Copyright 2016 The Periph Authors. All rights reserved.
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// Use of this source code is governed under the Apache License, Version 2.0
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// that can be found in the LICENSE file.
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package devices
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import (
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"strconv"
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)
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// Milli is a fixed point value with 0.001 precision.
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//
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// Deprecated: This interface will be removed in v3.
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type Milli int32
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// Float64 returns the value as float64 with 0.001 precision.
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func (m Milli) Float64() float64 {
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return float64(m) * .001
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}
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// String returns the value formatted as a string.
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func (m Milli) String() string {
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d := m % 1000
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if d < 0 {
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d = -d
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}
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return strconv.Itoa(int(m)/1000) + "." + prefixZeros(3, int(d))
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}
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// Celsius is a temperature at a precision of 0.001°C.
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//
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// Deprecated: This interface will be removed in v3. Use physic.Temperature
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// instead.
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type Celsius Milli
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// Float64 returns the value as float64 with 0.001 precision.
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func (c Celsius) Float64() float64 {
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return Milli(c).Float64()
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}
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// String returns the temperature formatted as a string.
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func (c Celsius) String() string {
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return Milli(c).String() + "°C"
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}
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// ToF returns the temperature as Fahrenheit, a unit used in the United States.
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func (c Celsius) ToF() Fahrenheit {
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return Fahrenheit((c*9+2)/5 + 32000)
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}
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// Fahrenheit is an unsound unit used in the United States.
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//
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// Deprecated: This interface will be removed in v3. Use physic.Temperature
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// instead.
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type Fahrenheit Milli
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// Float64 returns the value as float64 with 0.001 precision.
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func (f Fahrenheit) Float64() float64 {
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return Milli(f).Float64()
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}
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// String returns the temperature formatted as a string.
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func (f Fahrenheit) String() string {
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return Milli(f).String() + "°F"
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}
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// KPascal is pressure at precision of 1Pa.
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//
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// Deprecated: This interface will be removed in v3. Use physic.Pressure
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// instead.
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type KPascal Milli
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// Float64 returns the value as float64 with 0.001 precision.
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func (k KPascal) Float64() float64 {
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return Milli(k).Float64()
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}
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// String returns the pressure formatted as a string.
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func (k KPascal) String() string {
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return Milli(k).String() + "KPa"
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}
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// RelativeHumidity is humidity level in %rH with 0.01%rH precision.
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//
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// Deprecated: This interface will be removed in v3. Use
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// physic.RelativeHumidity instead.
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type RelativeHumidity int32
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// Float64 returns the value in %.
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func (r RelativeHumidity) Float64() float64 {
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return float64(r) * .01
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}
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// String returns the humidity formatted as a string.
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func (r RelativeHumidity) String() string {
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m := r % 100
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if m < 0 {
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m = -m
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}
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return strconv.Itoa(int(r)/100) + "." + prefixZeros(2, int(m)) + "%rH"
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}
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//
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func prefixZeros(digits, v int) string {
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// digits is expected to be around 2~3.
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s := strconv.Itoa(v)
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for len(s) < digits {
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// O(n²) but since digits is expected to run 2~3 times at most, it doesn't matter.
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s = "0" + s
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}
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return s
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}
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@ -1,80 +0,0 @@
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// Copyright 2016 The Periph Authors. All rights reserved.
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// Use of this source code is governed under the Apache License, Version 2.0
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// that can be found in the LICENSE file.
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package devices
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import "testing"
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func TestMilli(t *testing.T) {
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o := Milli(10010)
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if s := o.String(); s != "10.010" {
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t.Fatalf("%#v", s)
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}
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if f := o.Float64(); f > 10.011 || f < 10.009 {
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t.Fatalf("%f", f)
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}
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}
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func TestMilli_neg(t *testing.T) {
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o := Milli(-10010)
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if s := o.String(); s != "-10.010" {
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t.Fatalf("%#v", s)
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}
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if f := o.Float64(); f > -10.009 || f < -10.011 {
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t.Fatalf("%f", f)
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}
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}
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func TestCelsius(t *testing.T) {
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o := Celsius(10010)
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if s := o.String(); s != "10.010°C" {
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t.Fatalf("%#v", s)
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}
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if f := o.Float64(); f > 10.011 || f < 10.009 {
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t.Fatalf("%f", f)
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}
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if f := o.ToF(); f != 50018 {
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t.Fatalf("%d", f)
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}
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}
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func TestFahrenheit(t *testing.T) {
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o := Fahrenheit(10010)
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if s := o.String(); s != "10.010°F" {
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t.Fatalf("%#v", s)
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}
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if f := o.Float64(); f > 10.011 || f < 10.009 {
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t.Fatalf("%f", f)
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}
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}
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func TestKPascal(t *testing.T) {
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o := KPascal(10010)
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if s := o.String(); s != "10.010KPa" {
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t.Fatalf("%#v", s)
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}
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if f := o.Float64(); f > 10.011 || f < 10.009 {
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t.Fatalf("%f", f)
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}
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}
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func TestRelativeHumidity(t *testing.T) {
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o := RelativeHumidity(5006)
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if s := o.String(); s != "50.06%rH" {
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t.Fatalf("%#v", s)
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}
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if f := o.Float64(); f >= 50.07 || f <= 50.05 {
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t.Fatalf("%f", f)
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}
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}
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func TestRelativeHumidity_neg(t *testing.T) {
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o := RelativeHumidity(-5010)
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if s := o.String(); s != "-50.10%rH" {
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t.Fatalf("%#v", s)
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}
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if f := o.Float64(); f <= -50.11 || f >= -50.09 {
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t.Fatalf("%f", f)
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}
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}
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