func NewAQM0802(busNumber, addr byte) (lcd *AQM0802, err error) {
lcd = new(AQM0802)
lcd.bus, err = i2c.Bus(busNumber)
if err != nil {
return
}
lcd.addr = addr
return
}
func (l *SSD1306) Init(busNumber byte, addr byte, height int, width int) error {
var err error
l.bus, err = i2c.Bus(busNumber)
l.bmap = &bitmap{}
l.bmap.Init(width, height)
l.addr = addr
l.height = height
l.width = width
l.pages = height / 8
return err
}
func (dev *Device) Init(addr, busNum byte, mode Mode) (err error) {
if dev.bus, err = i2c.Bus(busNum); err != nil {
return
}
dev.Addr = addr
dev.BusNum = busNum
dev.Mode = mode
dev.readCalibrationData()
return
}
// New creates a new MCP4725 driver on a i2c bus of the Edison
func New(bus byte, address byte) (*MCP4725, error) {
switch bus {
case 6:
gpio.EnableI2C(i2c6SCL)
gpio.EnableI2C(i2c6SDA)
gpio.EnableFastI2C(6)
default:
log.Panic("Unknown i2c bus")
}
i2c, err := i2c.Bus(bus)
if err != nil {
return nil, err
}
return &MCP4725{bus: bus, address: address, i2c: i2c}, nil
}
func NewPiglow() (piglow *Piglow, err error) {
piglow = new(Piglow)
piglow.values = [18]byte{0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
i2cbus, err = i2c.Bus(i2c_bus_num)
if err != nil {
return nil, err
}
write_err := i2cbus.WriteByte(i2c_addr, CMD_ENABLE_OUTPUT, 0x01)
if write_err != nil {
return nil, write_err
}
enable_err := i2cbus.WriteByteBlock(i2c_addr, CMD_ENABLE_LEDS, []byte{0xFF, 0xFF, 0xFF})
if enable_err != nil {
return nil, enable_err
}
return
}