Example #1
0
func main() {
	fmt.Println("Attempting to engage in Penguin SPI-ing")
	fmt.Printf("Speed: %d\n\tDelay: %d\n\tBPW: %d\n", spi_speed, spi_delay, spi_bits)

	if err := embd.InitSPI(); err != nil {
		fmt.Println("Having a wee panic")
		panic(err)
	}
	defer embd.CloseSPI()

	var channel byte = 0

	// Spi minor appears to be spi dev
	// Notes: chanel cf chip select
	// Todo, get spi1,2,and 2.1
	spiBus := embd.NewSPIBus(embd.SPIMode0, channel, spi_speed, spi_bits, spi_delay)
	defer spiBus.Close()

	adc := mcp3008.New(mcp3008.SingleMode, spiBus)

	for i := 0; i < 20; i++ {
		time.Sleep(1 * time.Second)

		for ch := 0; ch < 16; ch++ {
			val, err := adc.AnalogValueAt(0)
			if err != nil {
				panic(err)
			}
			fmt.Printf("analog channel %v value is: %v\n", ch, val)
		}
	}
}
Example #2
0
//Init door
func (d *Door) Init(cfg DoorSettings) {
	d.Cfg = cfg
	if err := embd.InitSPI(); err != nil {
		panic(err)
	}

	spiBus := embd.NewSPIBus(d.Cfg.Mode, d.Cfg.Channel, d.Cfg.Speed, d.Cfg.Bpw, d.Cfg.Delay)
	// defer embd.CloseSPI()
	// defer spiBus.Close()

	d.MPC3008 = mcp3008.New(mcp3008.SingleMode, spiBus)
}
Example #3
0
func main() {
	flag.Parse()
	fmt.Println("this is a sample code for mcp3008 10bit 8 channel ADC")

	if err := embd.InitSPI(); err != nil {
		panic(err)
	}
	defer embd.CloseSPI()

	spiBus := embd.NewSPIBus(embd.SPIMode0, channel, speed, bpw, delay)
	defer spiBus.Close()

	adc := mcp3008.New(mcp3008.SingleMode, spiBus)

	for i := 0; i < 20; i++ {
		time.Sleep(1 * time.Second)
		val, err := adc.AnalogValueAt(0)
		if err != nil {
			panic(err)
		}
		fmt.Printf("analog value is: %v\n", val)
	}
}