initial checkin

This commit is contained in:
Peter Selby 2017-12-16 23:24:55 -08:00
commit cb52f6f54e
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/target
/classes
/checkouts
pom.xml
pom.xml.asc
*.jar
*.class
/.lein-*
/.nrepl-port
.hgignore
.hg/

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# Change Log
All notable changes to this project will be documented in this file. This change log follows the conventions of [keepachangelog.com](http://keepachangelog.com/).
## [Unreleased]
### Changed
- Add a new arity to `make-widget-async` to provide a different widget shape.
## [0.1.1] - 2017-12-05
### Changed
- Documentation on how to make the widgets.
### Removed
- `make-widget-sync` - we're all async, all the time.
### Fixed
- Fixed widget maker to keep working when daylight savings switches over.
## 0.1.0 - 2017-12-05
### Added
- Files from the new template.
- Widget maker public API - `make-widget-sync`.
[Unreleased]: https://github.com/your-name/flux-led/compare/0.1.1...HEAD
[0.1.1]: https://github.com/your-name/flux-led/compare/0.1.0...0.1.1

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THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
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# flux-led
A Clojure library designed to ... well, that part is up to you.
## Usage
FIXME
## License
Copyright © 2017 FIXME
Distributed under the Eclipse Public License either version 1.0 or (at
your option) any later version.

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# Introduction to flux-led
TODO: write [great documentation](http://jacobian.org/writing/what-to-write/)

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(defproject flux-led "0.1.0-SNAPSHOT"
:description "FIXME: write description"
:url "http://example.com/FIXME"
:license {:name "Eclipse Public License"
:url "http://www.eclipse.org/legal/epl-v10.html"}
:dependencies [[org.clojure/clojure "1.9.0"]
[org.clojure/core.async "0.3.465"]
[clj-time "0.14.2"]
[clj-http "3.7.0"]
[tick "0.3.5"]
[org.clojure/data.json "0.2.6"]
[amalloy/ring-buffer "1.2.1"]
[tick "0.3.5"]])

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(ns flux-led.core)
(defn foo
"I don't do a whole lot."
[x]
(println x "Hello, World!"))

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(ns fudo.flux-led.coinmarketcap-api
(:require [clj-http.client :as http]
[clojure.data.json :as json]
[clj-time.coerce :as time-coerce]
[clojure.core.async :as async :refer [<! <!! >! >!!
go thread go-loop]]
[amalloy.ring-buffer :as ring]
[tick.core :refer [minutes]]
[tick.timeline :refer [timeline periodic-seq]]
[tick.clock :refer [now] :as clock]
[tick.schedule :as schedule]))
(def base-url "https://api.coinmarketcap.com/v1/")
(def ring-size 1000)
(def interesting-coins [:bitcoin
:ethereum
:bitcoin-cash
:litecoin
:cardano
:bitcoin-gold
:monero])
(defn- list-keys [obj]
(cond (map? obj) (into #{} (keys obj))
(coll? obj) (apply clojure.set/union (map list-keys obj))
:else #{}))
(let [key-types {
:percent_change_7d :float
:available_supply :float
:price_usd :float
:symbol :keyword
:name :string
:market_cap_usd :float
:rank :int
:last_updated :time
:total_supply :float
:24h_volume_usd :float
:max_supply :float
:price_btc :float
:id :keyword
:percent_change_1h :float
:percent_change_24h :float
}]
(defn consider-converting [key obj]
(if-let [type (key key-types)]
(try
(case type
:float (BigDecimal. obj)
:string obj
:int (biginteger obj)
:time (time-coerce/from-long (* 1000 (Long. obj)))
:keyword (keyword obj))
(catch Exception _
nil))
obj)))
(defn- sanitize
([key val] (let [kw (keyword key)]
(cond (map? val) [kw (map sanitize val)]
(coll? val) [kw (map sanitize val)]
:else [kw (consider-converting kw val)])))
([obj]
(cond (map? obj) (into {}
(map (fn [[key val]]
[(keyword key)
(consider-converting (keyword key) val)])
obj))
(coll? obj) (map sanitize obj)
:else obj)))
(defn get-coin [coin]
(let [coin-name (name coin)
coin-url (str base-url "ticker/" coin-name "/")]
(sanitize (first (json/read-str (:body (http/get coin-url)))))))
(defn get-coins [& [limit]]
(let [coins-url (if limit
(str base-url "ticker/?limit=" limit)
(str base-url "ticker/"))]
(sanitize (json/read-str (:body (http/get coins-url))))))
(defn coins-summary []
(let [global-url (str base-url "global/")]
(sanitize (json/read-str (:body (http/get global-url))))))
(defn start-collector [interesting-coins timing]
(let [measures-chan (async/chan
(async/sliding-buffer
(count interesting-coins)))
build-measure-fetcher (fn [coin-id]
(fn [time]
(>!! measures-chan
(get-coin coin-id))))
fetch-schedules (map (fn [coin-id]
{
:coin-id coin-id
:schedule (schedule/schedule
(build-measure-fetcher coin-id)
(timeline (periodic-seq (now)
timing)))
})
interesting-coins)]
(doseq [{schedule :schedule} fetch-schedules]
(thread (schedule/start schedule (clock/clock-ticking-in-seconds))))
{:measures-chan measures-chan :schedules fetch-schedules}))
(defn coin-measures [{agent :measures-agent} coin]
(get @agent coin []))
(defn- add-coin-measure [agent measure]
(send agent (fn [measures]
(assoc measures
(:id measure)
(conj (get measures
(:id measure)
(ring/ring-buffer ring-size))
measure)))))
(defn listen-for-measures [{measures-chan :measures-chan :as state}]
(let [measures-agent (agent {})]
(go-loop [measure (<! measures-chan)]
(add-coin-measure measures-agent measure)
(recur (<! measures-chan)))
(assoc state :measures-agent measures-agent)))

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(ns fudo.flux-led.core
(:require [clojure.core.async :as async :refer [>! <! >!! <!!
go go-loop alts!]]
[clojure.string :as str]
[clojure.java.io :refer [output-stream input-stream]]
[clj-time.core :as t]
[clj-time.local :as l])
(:import (java.net Socket
DatagramSocket
DatagramPacket
InetAddress
SocketTimeoutException
NetworkInterface)))
(def colors {:red {:r 255 :g 0 :b 0}
:green {:r 0 :g 128 :b 0}
:yellow {:r 255 :g 255 :b 0}
:purple {:r 128 :g 0 :b 128}
:blue {:r 0 :g 0 :b 205}
:indigo {:r 75 :g 0 :b 130}
:orange {:r 255 :g 165 :b 0}
:brown {:r 165 :g 42 :b 42}
:pink {:r 255 :g 192 :b 203}
:white {:r 255 :g 255 :b 255}
:none {:r 0 :g 0 :b 0}})
(def default-port 5577)
(def light-patterns {0x25 :seven-color-cross-fade
0x26 :red-gradual-change
0x27 :green-gradual-change
0x28 :blue-gradual-change
0x29 :yellow-gradual-change
0x2A :cyan-gradual-change
0x2B :purple-gradual-change
0x2C :white-gradual-change
0x2D :red-green-cross-fade
0x2E :red-blue-cross-fade
0x2F :green-blue-cross-fade
0x30 :seven-color-strobe-flash
0x31 :red-strobe-flash
0x32 :green-strobe-flash
0x33 :blue-strobe-flash
0x34 :yellow-strobe-flash
0x35 :cyan-strobe-flash
0x36 :purple-strobe-flash
0x37 :white-strobe-flash
0x38 :seven-color-jumping})
(def chan-buffer-size 32)
(def broadcast-timeout 1000)
(def default-timeout 100)
(def flux-broadcast-message "HF-A11ASSISTHREAD")
(def flux-broadcast-port 48899)
(defn ncpus [] (.availableProcessors (Runtime/getRuntime)))
(defn parallelism [] (+ (ncpus) 2))
(defn transduce-channel
"Return a new channel by applying transducer 'xf' to channel 'chan'."
[xf chan] (let [out (async/chan chan-buffer-size)]
(async/pipeline (parallelism) out xf chan)
out))
(defn broadcast-addresses! []
"Return a list of broadcast addresses for all interfaces"
(->> (enumeration-seq (NetworkInterface/getNetworkInterfaces))
(filter #(and (.isUp %) (not (.isLoopback %))))
(mapcat #(.getInterfaceAddresses %))
(map #(.getBroadcast %))
(filter some?)))
(defn broadcast-address-count! [] (count (broadcast-addresses!)))
(defn datagram-socket [timeout]
(doto (DatagramSocket.)
(.setBroadcast true)
(.setSoTimeout timeout)))
(defn datagram-packet
([] (datagram-packet 64))
([len] (DatagramPacket. (byte-array len) len))
([message ^InetAddress addr port]
(DatagramPacket. (.getBytes message)
(count message)
addr
port)))
(defn send! [packet timeout]
(let [socket (datagram-socket timeout)]
(.send socket packet)
socket))
(defn debug-listen! [port]
(let [server (DatagramSocket. port)]
(async/thread
(while true (let [packet (java.net.DatagramPacket.
(make-array Byte/TYPE 512)
512)]
(.receive server packet)
(println (String. (.getData packet))))))))
(defn send-broadcast! [message port timeout]
(map #(send! (datagram-packet message % port) timeout)
(broadcast-addresses!)))
(defn listen-until-timeout! [^DatagramSocket socket]
(let [output-chan (async/chan chan-buffer-size)]
(async/go
(while (not (.isClosed socket))
(let [receive-packet (datagram-packet)]
(try (do (.receive socket receive-packet)
(>! output-chan (String. (.getData receive-packet))))
(catch SocketTimeoutException _))))
(async/close! output-chan))
output-chan))
(defn broadcast-and-listen! [message port & [chan-size]]
(let [timeout broadcast-timeout
sockets (send-broadcast! message port timeout)
out-chan (async/chan (or chan-size chan-buffer-size))]
(go-loop [response (<! (async/merge (map listen-until-timeout! sockets)))]
(>! out-chan response))
out-chan))
(defn parse-flux-broadcast-response [response]
(let [parse-response (fn [message]
(let [[ip id model] (str/split message #",")]
{:ip (InetAddress/getByName ip)
:id id
:model model}))]
(->> response
(remove (comp zero? int))
(clojure.string/join)
(parse-response))))
(defn flux-scan-for-devices! []
(let [response-chan (async/chan (broadcast-address-count!))
request-chan (broadcast-and-listen! flux-broadcast-message
flux-broadcast-port
(broadcast-address-count!))]
(go-loop [response (<! request-chan)]
(>! response-chan (parse-flux-broadcast-response response)))
response-chan))
(defn unsigned-get-idx [^bytes array idx]
(bit-and (aget array idx) 0xFF))
(defn with-checksum [^bytes bytes]
(let [bytes-vec (vec bytes)
cs (reduce + bytes-vec)]
(byte-array (concat bytes-vec [cs]))))
(defn send-command [{ip :ip
port :port
command :command
timeout :timeout
response-length :response-length
:or {port default-port
timeout default-timeout}}]
(let [cmd-bytes (with-checksum (byte-array command))]
(with-open [socket (doto (Socket. ip port)
(.setSoTimeout timeout))
output (output-stream socket)
input (input-stream socket)]
(.write output cmd-bytes)
(.flush output)
(when response-length
(let [buffer (byte-array response-length)]
(.read input buffer response-length)
(String. buffer))))))
(defn change-power-state [{on :on :as state}]
(let [cmd [0x71 (if on 0x23 0x24) 0x0F]]
(send-command (assoc state :command cmd))))
(defn power-on [state]
(change-power-state (assoc state :on true)))
(defn power-off [state]
(change-power-state (assoc state :on false)))
(defn percent->byte [pct]
(if (or (> pct 100) (< pct 0))
(throw (RuntimeException. (str "Not a percentange: " pct)))
(int (/ (* pct 255) 100))))
(defn persist-byte [{persist :persist}]
(if persist 0x31 0x41))
(defn rgb [{r :r
g :g
b :b
persist :persist
:as state}]
(send-command (assoc state :command
[(persist-byte state) r g b 0x00 0xF0 0x0F])))
(defn warm-white [{brightness :brightness :as state}]
(send-command (assoc state
:command (concat [(persist-byte state)]
[0x00 0x00 0x00]
[(percent->byte brightness)]
[0x0F 0x0F]))))
(defn valid-state? [pattern]
(let [pattern-ids (set (keys light-patterns))]
(pattern-ids pattern)))
(defn power-state [resp]
(condp = (unsigned-get-idx resp 2)
0x23 :on
0x24 :off
(throw (RuntimeException. "Unrecognized power state."))))
(defn bulb-mode-state [resp]
(let [pattern (unsigned-get-idx resp 3)
warm-white-level (unsigned-get-idx resp 9)]
(cond
(#{0x61 0x62} pattern) (if (not (zero? warm-white-level))
:warm-white
:color)
(= 0x60 pattern) :custom
(valid-state? pattern) :preset
:else :unknown)))
(defn pattern-speed-state [resp]
(let [raw-delay (dec (unsigned-get-idx resp 5))
max-delay (dec 0x1F)
delay (-> raw-delay (max 0) (min max-delay))]
(- 100 (int (/ (* delay 100) max-delay)))))
(defn rgb-state [resp]
(let [[r g b] (mapv #(unsigned-get-idx resp %) (range 6 9))]
{:r r :g g :b b}))
(defn warm-white-state [resp]
(let [warm-white-raw (unsigned-get-idx resp 9)
warm-white-norm (-> warm-white-raw (max 0) (min 255))]
(int (Math/ceil (/ (* warm-white-norm 100) 255)))))
(defn pattern-state [resp]
(let [pattern (unsigned-get-idx resp 3)]
(get light-patterns pattern)))
(defn bulb-state [resp]
{:power (power-state resp)
:mode (bulb-mode-state resp)
:speed (pattern-speed-state resp)
:rgb (rgb-state resp)
:warm-white-pct (warm-white-state resp)
:pattern (pattern-state resp)})
(defn get-bulb-state [state]
(-> (send-command (assoc state
:command [0x81 0x8A 0x8B]
:response-length 14))
(bulb-state)))
(defn get-clock-state [state]
(let [clock-resp (send-command (assoc state
:command [0x11 0x1A 0x1B 0x0F]
:response-length 12))
time-components (map #(unsigned-get-idx % clock-resp)
(range 3 9))]
(update (zipmap [:year :month :day :hour :minute :second]
time-components)
:year
#(+ 2000 %))))
(defn synchronize-clock [state]
(let [encoded-time ((juxt #(- (t/year %) 2000)
t/month
t/day
t/hour
t/minute
t/second
t/day-of-week) (l/local-now))]
(send-command (assoc state
:command (concat [0x10 0x14]
encoded-time
[0x00 0x0F])))))
(defn bytes->timer [bytes]
(let [[active-mask
year
month
day
hour
minute
repeat-mask
pattern-code
delay]
(map (partial nth bytes) (range 0 10))]
{:active? (= 0xF0 active-mask)
:year (+ year 2000)
:month month
:day day
:hour hour
:minute minute
:pattern-code pattern-code
:mode (condp = pattern-code
0x61 :color
0x00 :default
:preset)
:rgb (mapv #(nth bytes %) [9 10 11])
:delay delay}))
(defn get-timers [state]
(let [resp-len 88
timer-len 14
resp (send-command (assoc state
:command [0x22 0x2A 0x2B 0xF0]
:response-length resp-len))]
(->> (partition timer-len (range 2 (inc resp-len)))
(map (fn [offsets] (mapv #(unsigned-get-idx %) offsets)))
(map bytes->timer))))
(defn pulse [req & [color]]
(let [rgb-fn (fn [] (rgb (merge req (get colors color :blue))))
off-fn (fn [] (rgb (merge req (:none colors))))
sleep-fn (fn [] (Thread/sleep 1000))]
(map (fn [f]
(f))
(interpose sleep-fn (flatten (repeat [rgb-fn off-fn]))))))
;; (defn bulb-mode-state [resp]
;; (let [pattern (get-unsigned-byte resp 3)
;; ww-level (get-unsigned-byte resp 9)]
;; (cond
;; (#{0x61 0x62} pattern) (if (not (zero? ww-level)) :warm-white :color)
;; (= 0x60 pattern) :custom
;; (valid? pattern) :preset
;; :else :unknown)))

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(ns fudo.flux-led.spec
(require [clojure.spec.alpha :as s]))
(def byte? [i]
(and (int? i)
(>= i 0)
(< i 256)))
(def ip? [val]
(instance? java.net.InetAddress val))
(def pct? [val]
(and (int? i)
(>= i 0)
(<= i 100)))
(def port? [val]
(and (int? val)
(>= 0 val)
(< 65536)))
(s/def :flux/red byte?)
(s/def :flux/green byte?)
(s/def :flux/blue byte?)
(s/def :flux/color ...)
(s/def :flux/warm-white-level pct?)
(s/def :flux/cool-white-level pct?)
(s/def :flux/pattern valid-pattern?)
(s/def ::ip ip?)
(s/def ::port port?)
(s/def :flux/id string?)
(s/def :flux/model string?)
(s/def :flux/device
(s/keys* :req [::ip :flux/id :flux/model]
:opt [::port]))
(s/def :flux/color (s/keys [:flux/red :flux/green :flux/blue]))
(defmulti device-state :flux/state-type)
(defmethod device-state :flux/state-rgb [_]
(s/keys :req [:flux/red :flux/green :flux/blue]))
(defmethod device-state :flux/warm-white [_]
(s/keys :req [:flux/warm-white-level]))
(defmethod device-state :flux/cool-white [_]
(s/keys :req [:flux/pattern]))
(s/def :flux/device-state
(s/merge :flux/device
(s/keys )))

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(ns flux-led.core-test
(:require [clojure.test :refer :all]
[flux-led.core :refer :all]))
(deftest a-test
(testing "FIXME, I fail."
(is (= 0 1))))