func main() {
flag.Parse()
if !utils.FileExists("/sys/bus/w1/devices/28-0000047ade8f") {
ioutil.WriteFile("/sys/devices/bone_capemgr.9/slots", []byte("BB-W1:00A0"), 0666)
}
b, err := ioutil.ReadFile(*configPath)
if err != nil {
panic(err)
}
cfg := &gogadgets.Config{}
err = json.Unmarshal(b, cfg)
for _, config := range cfg.Gadgets {
if config.Location == "mash tun" && config.Name == "valve" {
gpio, err := gogadgets.NewGPIO(&config.Pin)
if err == nil {
cfg := &brewery.MashConfig{
TankRadius: *mashRadius,
ValveRadius: *valveRadius,
}
dev, mashErr := brewgadgets.NewMash(cfg)
mash := dev.(*brewgadgets.Mash)
mash.HLTVolume = *hltVolume
if mashErr == nil {
brewgadgets.Calibrate(mash, gpio)
} else {
fmt.Println(mashErr)
}
} else {
fmt.Println(err)
}
}
}
}
//gpio for the float switch at the top of my hlt. When
//it is triggered I know how much water is in the container.
func getPoller(cfg *BrewConfig) gogadgets.Poller {
pin := &gogadgets.Pin{
Port: cfg.FloatSwitchPort,
Pin: cfg.FloatSwitchPin,
Direction: "in",
Edge: "rising",
}
g, err := gogadgets.NewGPIO(pin)
if err != nil {
panic(err)
}
return g
}