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hybridgroup.gobot/platforms/i2c/blinkm_driver.go
2014-05-22 21:33:05 -07:00

64 lines
1.4 KiB
Go

package i2c
import (
"fmt"
"github.com/hybridgroup/gobot"
)
type BlinkMDriver struct {
gobot.Driver
Adaptor I2cInterface
}
func NewBlinkMDriver(a I2cInterface, name string) *BlinkMDriver {
return &BlinkMDriver{
Driver: gobot.Driver{
Name: name,
Commands: []string{
"RgbC",
"FadeC",
"ColorC",
"FirmwareVersionC",
},
},
Adaptor: a,
}
}
func (b *BlinkMDriver) Start() bool {
b.Adaptor.I2cStart(0x09)
b.Adaptor.I2cWrite([]uint16{uint16([]byte("o")[0])})
b.Rgb(0, 0, 0)
return true
}
func (b *BlinkMDriver) Init() bool { return true }
func (b *BlinkMDriver) Halt() bool { return true }
func (b *BlinkMDriver) Rgb(red byte, green byte, blue byte) {
b.Adaptor.I2cWrite([]uint16{uint16([]byte("n")[0])})
b.Adaptor.I2cWrite([]uint16{uint16(red), uint16(green), uint16(blue)})
}
func (b *BlinkMDriver) Fade(red byte, green byte, blue byte) {
b.Adaptor.I2cWrite([]uint16{uint16([]byte("c")[0])})
b.Adaptor.I2cWrite([]uint16{uint16(red), uint16(green), uint16(blue)})
}
func (b *BlinkMDriver) FirmwareVersion() string {
b.Adaptor.I2cWrite([]uint16{uint16([]byte("Z")[0])})
data := b.Adaptor.I2cRead(uint16(2))
if len(data) != 2 {
return ""
}
return fmt.Sprintf("%v.%v", data[0], data[1])
}
func (b *BlinkMDriver) Color() []byte {
b.Adaptor.I2cWrite([]uint16{uint16([]byte("g")[0])})
data := b.Adaptor.I2cRead(uint16(3))
if len(data) != 3 {
return make([]byte, 0)
}
return []byte{byte(data[0]), byte(data[1]), byte(data[2])}
}