58 lines
1.1 KiB
Go
58 lines
1.1 KiB
Go
package gobot
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import (
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"errors"
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"fmt"
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"log"
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)
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// JSONDevice is a JSON representation of a Gobot Device.
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type JSONDevice struct {
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Name string `json:"name"`
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Driver string `json:"driver"`
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Connection string `json:"connection"`
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Commands []string `json:"commands"`
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}
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type Device DriverInterface
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type devices []Device
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// Len returns devices length
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func (d *devices) Len() int {
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return len(*d)
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}
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// Each calls `f` function each device
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func (d *devices) Each(f func(Device)) {
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for _, device := range *d {
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f(device)
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}
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}
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// Start starts all the devices.
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func (d *devices) Start() error {
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var err error
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log.Println("Starting devices...")
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for _, device := range *d {
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info := "Starting device " + device.Name()
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if device.Pin() != "" {
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info = info + " on pin " + device.Pin()
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}
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log.Println(info + "...")
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err = device.Start()
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if err != nil {
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err = errors.New(fmt.Sprintf("Could not start device: %v", err))
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break
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}
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}
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return err
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}
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// Halt stop all the devices.
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func (d *devices) Halt() {
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for _, device := range *d {
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device.Halt()
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}
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}
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