go-embedded/embd
go-embedded/embd
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simplify package structure

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This commit is contained in:
Karan Misra 2014-03-03 00:51:23 +05:30
parent 3cae4064dc
commit 36f2c0486d
41 changed files with 736 additions and 885 deletions
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20
sensor/us020/us020.go
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@ -6,7 +6,7 @@ import (
"sync"
"time"
"github.com/kidoman/embd/gpio"
"github.com/kidoman/embd"
)
const (
@ -29,7 +29,7 @@ var NullThermometer = &nullThermometer{}
// US020 represents a US020 ultrasonic range finder.
type US020 struct {
EchoPin, TriggerPin gpio.DigitalPin
EchoPin, TriggerPin embd.DigitalPin
Thermometer Thermometer
@ -43,7 +43,7 @@ type US020 struct {
// New creates a new US020 interface. The bus variable controls
// the I2C bus used to communicate with the device.
func New(echoPin, triggerPin gpio.DigitalPin, thermometer Thermometer) *US020 {
func New(echoPin, triggerPin embd.DigitalPin, thermometer Thermometer) *US020 {
return &US020{EchoPin: echoPin, TriggerPin: triggerPin, Thermometer: thermometer}
}
@ -58,8 +58,8 @@ func (d *US020) setup() (err error) {
d.mu.Lock()
defer d.mu.Unlock()
d.TriggerPin.SetDirection(gpio.Out)
d.EchoPin.SetDirection(gpio.In)
d.TriggerPin.SetDirection(embd.Out)
d.EchoPin.SetDirection(embd.In)
if d.Thermometer == nil {
d.Thermometer = NullThermometer
@ -91,9 +91,9 @@ func (d *US020) Distance() (distance float64, err error) {
}
// Generate a TRIGGER pulse
d.TriggerPin.Write(gpio.High)
d.TriggerPin.Write(embd.High)
time.Sleep(pulseDelay)
d.TriggerPin.Write(gpio.Low)
d.TriggerPin.Write(embd.Low)
if d.Debug {
log.Print("us020: waiting for echo to go high")
@ -106,7 +106,7 @@ func (d *US020) Distance() (distance float64, err error) {
return 0, err
}
if v != gpio.Low {
if v != embd.Low {
break
}
}
@ -124,7 +124,7 @@ func (d *US020) Distance() (distance float64, err error) {
return 0, err
}
if v != gpio.High {
if v != embd.High {
break
}
}
@ -139,5 +139,5 @@ func (d *US020) Distance() (distance float64, err error) {
// Close.
func (d *US020) Close() {
d.EchoPin.SetDirection(gpio.Out)
d.EchoPin.SetDirection(embd.Out)
}