Sawtaytoes
1/5/2019 - 3:06 PM

Redux Middleware to Control GPIO

This is a middleware I wrote for my own Redux library in Lua. It controls GPIO based on Redux actions.

garlandLightsMiddleware.lua
content_copyfile_download
local actions = loadfile('actions.lc')()

local relayPin = 4

gpio
.mode(
  relayPin,
  gpio.OUTPUT
)

gpio
.mode(
  relayPin,
  gpio.LOW
)

local garlandLightsGpioPinActions = {
  [actions.TURN_OFF_GARLAND_LIGHTS] = function(
    action
  )
    gpio
    .write(
      relayPin,
      gpio.HIGH
    )

    return (
      actions
      .sendState(
        action
        .socket
      )
    )
  end,

  [actions.TURN_ON_GARLAND_LIGHTS] = function(
    action
  )
    gpio
    .write(
      relayPin,
      gpio.LOW
    )

    return (
      actions
      .sendState(
        action
        .socket
      )
    )
  end,
}

local garlandLightsMiddleware = (
  function(store)
    return function(next)
      return function(action)
        garlandLightsGpioPinActions[action.type]
        and (
          next(
            garlandLightsGpioPinActions[action.type](
              action
            )
          )
        )
      end
    end
  end
)

return garlandLightsMiddleware