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39 Commits

Author SHA1 Message Date
8e92059e54 more vibing man
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build rgb-board / build (push) Successful in 6m9s
2025-05-01 04:32:41 +00:00
9aacbf7399 stay in boundary
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build rgb-board / build (push) Successful in 10m27s
2025-05-01 04:18:04 +00:00
3636854124 vibe coding new path for mario
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build rgb-board / build (push) Successful in 6m40s
2025-05-01 03:59:32 +00:00
fc0dfae1a5 continue
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build rgb-board / build (push) Has been cancelled
2025-04-22 03:52:28 +00:00
nathan wagner
c64a6bfe42 fully removing context stuff.
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build rgb-board / build (push) Successful in 2m11s
2024-02-16 15:47:08 +00:00
nathan wagner
34de0be0a1 checking if context change is necessary
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build rgb-board / build (push) Successful in 7m41s
2024-02-16 15:23:06 +00:00
d574df9938 split out msg receiver
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build rgb-board / build (push) Successful in 8m3s
2024-02-16 04:41:58 +00:00
eab6b0d26f cleanup
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build rgb-board / build (push) Successful in 1m51s
2024-02-16 04:32:50 +00:00
0f4addd5db can't find what's causing the fill
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build rgb-board / build (push) Successful in 2m5s
2024-02-16 04:27:14 +00:00
2ac3a92b7a unsure what this does
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build rgb-board / build (push) Successful in 2m12s
2024-02-16 04:21:41 +00:00
6ac630cd57 order matters
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build rgb-board / build (push) Successful in 2m17s
2024-02-16 02:58:17 +00:00
fd94207114 white maybe
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build rgb-board / build (push) Successful in 8m0s
2024-02-16 02:42:22 +00:00
7a02239545 set color black
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build rgb-board / build (push) Successful in 7m59s
2024-02-16 02:27:45 +00:00
18b2875ddf apparently need to clear, context not what expected
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build rgb-board / build (push) Successful in 2m1s
2024-02-16 01:52:47 +00:00
bf1c448a84 Update 'animateDoorbell.go'
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build rgb-board / build (push) Successful in 1m46s
2024-02-16 01:47:36 +00:00
2a5e5142ce Update 'animateDoorbell.go'
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build rgb-board / build (push) Failing after 2m4s
2024-02-16 01:44:18 +00:00
af060a1600 Update 'board.go'
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build rgb-board / build (push) Successful in 2m15s
2024-02-16 01:37:41 +00:00
aa3e51f56f Update 'animateDoorbell.go'
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build rgb-board / build (push) Failing after 7m34s
2024-02-16 01:36:55 +00:00
7c086ff848 spin up and cleanup belong to animation
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build rgb-board / build (push) Successful in 2m10s
2024-02-16 00:39:58 +00:00
688e1d98f0 pop when done
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build rgb-board / build (push) Successful in 7m51s
2024-02-16 00:38:05 +00:00
6eec19644e context attempt
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build rgb-board / build (push) Successful in 7m57s
2024-02-15 23:21:09 +00:00
81e7607d53 no more initializer
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build rgb-board / build (push) Successful in 1m53s
2024-02-15 22:45:10 +00:00
1093a2c1b2 cleanup
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build rgb-board / build (push) Successful in 8m47s
2024-02-15 22:44:33 +00:00
476ed823bc making moves
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build rgb-board / build (push) Successful in 2m24s
2024-02-15 22:42:18 +00:00
89ad771eab adjusting some function names
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build rgb-board / build (push) Successful in 1m34s
deleting doorbell image after countdown
2024-02-05 20:55:57 +00:00
970f840140 created some handler functions
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build rgb-board / build (push) Successful in 1m34s
checking what happens if i don't delete image from map
2024-02-05 20:44:54 +00:00
41e317452f only animate if no countdown active
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build rgb-board / build (push) Successful in 1m37s
2024-02-05 20:28:06 +00:00
c4ffac2251 stoppping mario once message comes in
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build rgb-board / build (push) Successful in 1m34s
2024-02-05 19:44:16 +00:00
3365c8f075 try arm64 runner
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build rgb-board / build (push) Successful in 1m36s
2024-02-05 19:15:21 +00:00
78a145dae8 debug function for message type
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build rgb-board / build (push) Successful in 8m34s
2024-02-05 19:00:44 +00:00
1a0ea1833b splitting up some code responsibilitiy
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build rgb-board / build (push) Successful in 8m23s
extending the mq Message to have a type field
2024-02-05 16:45:41 +00:00
94cfad1190 removing old image array
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2024-01-12 01:50:05 +00:00
4621c93b86 fixing map for doorbell
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build rgb-board / build (push) Successful in 8m19s
2024-01-12 01:49:01 +00:00
7c3c385119 Merge pull request 'animate-separate' (#3) from animate-separate into main
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build rgb-board / build (push) Successful in 8m13s
Reviewed-on: https://gitea.wagshome.duckdns.org/publicWagsHome/rgb-go-test/pulls/3
2024-01-12 01:25:42 +00:00
50e5422009 Update '.gitea/workflows/Build.yaml' 2024-01-12 00:42:53 +00:00
60287d91d6 Update '.gitea/workflows/Build.yaml' 2024-01-12 00:41:55 +00:00
87470bddcb Update '.gitea/workflows/Build.yaml' 2024-01-12 00:41:02 +00:00
db3445e124 Add '.gitea/workflows/Build.yaml' 2024-01-12 00:39:44 +00:00
b001c0f628 Update '.gitea/workflows/build-push.yaml' 2024-01-12 00:38:30 +00:00
11 changed files with 306 additions and 181 deletions

View File

@@ -2,7 +2,7 @@
# [Choice] Go version (use -bullseye variants on local arm64/Apple Silicon): 1, 1.18, 1.17, 1-bullseye, 1.18-bullseye, 1.17-bullseye, 1-buster, 1.18-buster, 1.17-buster
ARG VARIANT="1.18-bullseye"
FROM mcr.microsoft.com/vscode/devcontainers/go:0-${VARIANT}
FROM mcr.microsoft.com/vscode/devcontainers/go:${VARIANT}
# [Choice] Node.js version: none, lts/*, 16, 14, 12, 10
ARG NODE_VERSION="none"

View File

@@ -28,7 +28,8 @@
// Add the IDs of extensions you want installed when the container is created.
"extensions": [
"golang.Go"
"golang.Go",
"Continue.continue"
]
}
},
@@ -44,6 +45,7 @@
"features": {
"docker-in-docker": "latest",
"kubectl-helm-minikube": "latest",
"git": "latest"
"git": "latest",
"ghcr.io/devcontainers/features/docker-in-docker:2": {}
}
}

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@@ -0,0 +1,37 @@
name: build only rgb-board
run-name: ${{ gitea.actor }} is testing out Gitea Actions 🚀
on:
push:
branches:
- "animate-separate"
paths-ignore:
- ".gitea/workflows/**"
jobs:
build:
runs-on: ubuntu-latest
container:
image: registry.local/catthehacker-home:act-latest
volumes:
- /var/run/user/1000/docker.sock:/var/run/docker.sock
steps:
- uses: actions/checkout@v3
- name: short-sha
id: short-sha
run: echo "short-sha=$(git rev-parse --short HEAD)" >> $GITHUB_OUTPUT
- name: Set up Docker Buildx
uses: docker/setup-buildx-action@v2
with:
driver-opts: |
image=registry.local/buildkit-wagnerca:stable-3-rootless
seccomp=unconfined
apparmor=unconfined
systempaths=unconfined
privileged=false
- run: docker buildx ls
- name: push rgbboard
uses: docker/build-push-action@master
with:
push: false
tags: registry.local/rgbboard:${{ steps.short-sha.outputs.short-sha }}
platforms: linux/arm64,linux/amd64

View File

@@ -34,4 +34,4 @@ jobs:
with:
push: true
tags: registry.local/rgbboard:${{ steps.short-sha.outputs.short-sha }}
platforms: linux/arm64,linux/amd64
platforms: linux/arm64

31
animateDoorbell.go Normal file
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@@ -0,0 +1,31 @@
package main
import (
"bytes"
b64 "encoding/base64"
"image"
"image/color"
"github.com/disintegration/imaging"
)
type Doorbell struct {
image image.Image
}
func (a *Animation) animateDoorbell() {
if a.countDown > 0 {
a.ctx.SetColor(color.Black)
a.ctx.Clear()
a.ctx.DrawImageAnchored(a.doorbell.image, 0, 0, 0, 0)
a.countDown -= 50
} else {
a.doorbell = Doorbell{}
a.countDown = 5000
}
}
func (a *Animation) loadImage(imgType string, img string) {
baseImage, _ := b64.StdEncoding.DecodeString(img)
bigImage, _, _ := image.Decode(bytes.NewReader(baseImage))
a.doorbell.image = imaging.Resize(bigImage, 64, 64, imaging.Lanczos)
}

99
animationMario.go Normal file
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@@ -0,0 +1,99 @@
package main
import (
"image"
"image/color"
"log"
"math"
"os"
"github.com/disintegration/imaging"
)
type Mario struct {
position image.Point
dir image.Point
images map[string]image.Image
updown string
}
func loadMario(file string) image.Image {
reader, err := os.Open(file)
if err != nil {
log.Fatal(err)
}
rawMario, _, err := image.Decode(reader)
if err != nil {
log.Fatal(err)
}
mario := imaging.Resize(rawMario, 16, 16, imaging.Lanczos)
return mario
}
func initialMap() map[string]image.Image {
imageMap := make(map[string]image.Image)
imageMap["marioUp"] = loadMario("marioUp.png")
imageMap["marioDown"] = loadMario("marioDown.png")
return imageMap
}
// initializes the struct for the an play animation function, this could all be dumped into function that's wrapping go routine if I wanted
// this assumes mario context is up
func (a *Animation) animateMario() {
defer a.updateMarioPosition()
a.ctx.SetColor(color.Black)
a.ctx.Clear()
if a.mario.dir.X == 1 {
a.ctx.DrawImageAnchored(a.mario.images[a.mario.updown], a.mario.position.X, a.mario.position.Y, 0.5, 0.5)
} else {
a.ctx.DrawImageAnchored(imaging.FlipH(a.mario.images[a.mario.updown]), a.mario.position.X, a.mario.position.Y, 0.5, 0.5)
}
}
// what mario does every frame
func (a *Animation) updateMarioPosition() {
/* a.mario.position.X += 1 * a.mario.dir.X
a.mario.position.Y += 1 * a.mario.dir.Y
if a.mario.position.Y+a.height > a.ctx.Height() {
a.mario.dir.Y = -1
a.mario.updown = "marioUp"
} else if a.mario.position.Y-a.height < 0 {
a.mario.updown = "marioDown"
a.mario.dir.Y = 1
}
if a.mario.position.X+a.width > a.ctx.Width() {
a.mario.dir.X = -1
} else if a.mario.position.X-a.width < 0 {
a.mario.dir.X = 1
}*/
const (
wavelength = 20 // Wavelength of the sine wave
amplitude = 4 // Amplitude of the sine wave
)
currentTime := float64(a.mario.position.X) / wavelength // Calculate current time based on Mario's X position
a.mario.position.X += int(amplitude*math.Sin(2*math.Pi*currentTime/wavelength)) + a.mario.dir.X
a.mario.position.Y += a.mario.dir.Y
// Ensure Mario stays within the display boundaries and reverses direction when necessary.
if a.mario.position.Y+a.height > a.ctx.Height() {
a.mario.position.Y = a.ctx.Height() - a.height // Reset Y position to the top boundary
a.mario.updown = "marioUp"
a.mario.dir.Y = -1 // Reverse direction when hitting bottom
} else if a.mario.position.Y < 0 {
a.mario.position.Y = 0 // Reset Y position to the bottom boundary
a.mario.updown = "marioDown"
a.mario.dir.Y = 1 // Reverse direction when hitting top
}
if a.mario.position.X+a.width > a.ctx.Width() {
a.mario.position.X -= (a.mario.position.X + a.width - a.ctx.Width()) // Wrap around to the left side
} else if a.mario.position.X < 0 {
a.mario.position.X = -(a.mario.position.X) // Wrap around to the right side
}
}

71
board.go Normal file
View File

@@ -0,0 +1,71 @@
package main
import (
"encoding/json"
"fmt"
"image"
"time"
rgbmatrix "gitea.wagshome.duckdns.org/publicWagsHome/go-rpi-rgb-led-matrix"
mqtt "github.com/eclipse/paho.mqtt.golang"
"github.com/fogleman/gg"
)
type Animation struct {
ctx *gg.Context
height int
width int
stroke int
mqmsg chan mqtt.Message
msg string
countDown int
mario Mario
doorbell Doorbell
}
func orchestrator(tk *rgbmatrix.ToolKit, mqMessages chan mqtt.Message) {
//Playanimation comes from the toolkit, all it takes is an animation struct
tk.PlayAnimation(animate(image.Point{127, 64}, mqMessages))
}
func animate(sz image.Point, mqMessages chan mqtt.Message) *Animation {
return &Animation{
ctx: gg.NewContext(sz.X, sz.Y),
height: 8,
width: 8,
stroke: 8,
mqmsg: mqMessages,
countDown: 5000,
mario: Mario{
images: initialMap(),
updown: "marioUp",
dir: image.Point{1, 1},
},
}
}
func (a *Animation) useMsg() {
var incoming incomingMessage
select {
case msg := <-a.mqmsg:
json.Unmarshal([]byte(string(msg.Payload())), &incoming)
fmt.Println(incoming.Type)
if incoming.Type == "doorbell" {
go a.loadImage(incoming.Type, incoming.Image)
} else {
a.ctx.DrawString(a.msg, 5, 9)
}
default:
}
}
func (a *Animation) Next() (image.Image, <-chan time.Time, error) {
switch {
case a.doorbell != (Doorbell{}):
a.animateDoorbell()
default:
a.animateMario()
}
a.useMsg()
return a.ctx.Image(), time.After(time.Millisecond * 50), nil
}

4
go.mod
View File

@@ -1,6 +1,8 @@
module rgb
go 1.18
go 1.21.2
toolchain go1.21.6
require (
gitea.wagshome.duckdns.org/publicWagsHome/go-rpi-rgb-led-matrix v1.0.0

4
go.sum
View File

@@ -17,8 +17,11 @@ github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/ad
github.com/jezek/xgb v1.1.0 h1:wnpxJzP1+rkbGclEkmwpVFQWpuE2PUGNUzP8SbfFobk=
github.com/jezek/xgb v1.1.0/go.mod h1:nrhwO0FX/enq75I7Y7G8iN1ubpSGZEiA3v9e9GyRFlk=
github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
github.com/rogpeppe/go-internal v1.11.0 h1:cWPaGQEPrBb5/AsnsZesgZZ9yb1OQ+GOISoDNXVBh4M=
github.com/rogpeppe/go-internal v1.11.0/go.mod h1:ddIwULY96R17DhadqLgMfk9H9tvdUzkipdSkR5nkCZA=
golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
golang.org/x/exp/shiny v0.0.0-20231006140011-7918f672742d h1:grE48C8cjIY0aiHVmFyYgYxxSARQWBABLXKZfQPrBhY=
golang.org/x/exp/shiny v0.0.0-20231006140011-7918f672742d/go.mod h1:UH99kUObWAZkDnWqppdQe5ZhPYESUw8I0zVV1uWBR+0=
@@ -39,3 +42,4 @@ golang.org/x/sys v0.13.0 h1:Af8nKPmuFypiUBjVoU9V20FiaFXOcuZI21p0ycVYYGE=
golang.org/x/sys v0.13.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=

181
main.go
View File

@@ -1,48 +1,19 @@
package main
import (
"bytes"
b64 "encoding/base64"
"encoding/json"
"flag"
"fmt"
"image"
"image/color"
_ "image/jpeg"
"log"
"os"
"os/signal"
"syscall"
"time"
rgbmatrix "gitea.wagshome.duckdns.org/publicWagsHome/go-rpi-rgb-led-matrix"
"github.com/disintegration/imaging"
MQTT "github.com/eclipse/paho.mqtt.golang"
mqtt "github.com/eclipse/paho.mqtt.golang"
"github.com/fogleman/gg"
)
// contents of struct mostly don't matter for toolkit.
type incomingImage struct {
Image string `json:"image"`
}
type Animation struct {
ctx *gg.Context
position image.Point
dir image.Point
height int
width int
stroke int
image []image.Image
images map[string]image.Image
updown string
mqmsg chan mqtt.Message
msg string
countDown int
}
//flags from cmd line
// flags from cmd line
var (
rows = flag.Int("led-rows", 64, "number of rows supported")
cols = flag.Int("led-cols", 64, "number of columns supported")
@@ -56,160 +27,18 @@ var (
led_slowdown_gpio = flag.Int("led-slowdown-gpio", 1, "GPIO pin slowdown")
)
//listens on topic for messages
func listener(mqMessages chan mqtt.Message) {
opts := setupMQTT()
client := MQTT.NewClient(opts)
topic := "home/rgbboard"
if token := client.Connect(); token.Wait() && token.Error() != nil {
log.Println(fmt.Sprintf("failed to connect to mq: %s", token.Error().Error()))
panic(token.Error())
}
log.Println("connected")
client.Subscribe(topic, 0, func(client mqtt.Client, msg mqtt.Message) {
log.Println("Receiving ", string(msg.Payload()), " on topic: ", msg.Topic())
mqMessages <- msg
})
}
//animator is a wrapping function for go routine that can receive an mq channel
func animator(tk *rgbmatrix.ToolKit, mqMessages chan mqtt.Message) {
//Playanimation comes from the toolkit, all it takes is an animation struct
tk.PlayAnimation(NewAnimation(image.Point{128, 64}, mqMessages))
}
//connection lost management
func onConnectionLostHandler(c MQTT.Client, reason error) {
log.Fatalf(reason.Error())
}
//setup connection to mqtt, topic to listen to, qos
func setupMQTT() *mqtt.ClientOptions {
opts := MQTT.NewClientOptions()
opts.AddBroker(fmt.Sprintf("tcp://%s:%s", os.Getenv("MQTTBROKER"), os.Getenv("MQTTPORT")))
opts.SetUsername(os.Getenv("MQTTUSER"))
opts.SetPassword(os.Getenv("MQTTPASSWORD"))
opts.SetClientID("rgbboard")
opts.SetAutoReconnect(true)
opts.SetConnectionLostHandler(onConnectionLostHandler)
return opts
}
//runs before main, parses flags
// runs before main, parses flags
func init() {
flag.Parse()
}
//small function for handling fatal errors
// small function for handling fatal errors
func fatal(err error) {
if err != nil {
panic(err)
}
}
//initializes the struct for the an play animation function, this could all be dumped into function that's wrapping go routine if I wanted
func NewAnimation(sz image.Point, mqMessages chan mqtt.Message) *Animation {
imageMap := make(map[string]image.Image)
reader, err := os.Open("marioUp.png")
if err != nil {
log.Fatal(err)
}
rawMario, _, err := image.Decode(reader)
//marioUp := imaging.FlipH(imaging.Resize(rawMario, 16, 16, imaging.Lanczos))
marioUp := imaging.Resize(rawMario, 16, 16, imaging.Lanczos)
imageMap["marioUp"] = marioUp
reader, err = os.Open("marioDown.png")
if err != nil {
log.Fatal(err)
}
rawMario, _, err = image.Decode(reader)
//marioDown := imaging.FlipH(imaging.Resize(rawMario, 16, 16, imaging.Lanczos))
marioDown := imaging.Resize(rawMario, 16, 16, imaging.Lanczos)
imageMap["marioDown"] = marioDown
imageSlice := []image.Image{marioUp, marioDown}
return &Animation{
ctx: gg.NewContext(sz.X, sz.Y),
dir: image.Point{1, 1},
height: 8,
width: 8,
stroke: 8,
image: imageSlice,
images: imageMap,
updown: "marioUp",
mqmsg: mqMessages,
countDown: 5000,
}
}
func appendImage(img string, a *Animation) {
baseImage, _ := b64.StdEncoding.DecodeString(img)
bigImage, _, _ := image.Decode(bytes.NewReader(baseImage))
a.images["doorbell"] = imaging.Resize(bigImage, 64, 64, imaging.Lanczos)
}
// what happens each frame, at an interval of 50 milliseconds
func (a *Animation) Next() (image.Image, <-chan time.Time, error) {
incoming := incomingImage{}
a.animateMario()
if a.images["doorbell"] != nil {
if a.countDown > 0 {
a.ctx.DrawImageAnchored(a.image[2], 0, 0, 0, 0)
a.countDown -= 50
} else {
//a.image = a.image[:len(a.image)-1]
delete(a.images, "doorbell")
a.countDown = 5000
}
}
a.ctx.SetColor(color.White)
select {
case msg := <-a.mqmsg:
json.Unmarshal([]byte(string(msg.Payload())), &incoming)
if incoming.Image == "" {
a.msg = string(msg.Payload())
a.ctx.DrawString(a.msg, 5, 9)
} else {
go appendImage(incoming.Image, a)
}
default:
}
return a.ctx.Image(), time.After(time.Millisecond * 50), nil
}
func (a *Animation) animateMario() {
defer a.updateMarioPosition()
a.ctx.SetColor(color.Black)
a.ctx.Clear()
if a.dir.X == 1 {
a.ctx.DrawImageAnchored(a.images[a.updown], a.position.X, a.position.Y, 0.5, 0.5)
} else {
a.ctx.DrawImageAnchored(imaging.FlipH(a.images[a.updown]), a.position.X, a.position.Y, 0.5, 0.5)
}
}
//what mario does every frame
func (a *Animation) updateMarioPosition() {
a.position.X += 1 * a.dir.X
a.position.Y += 1 * a.dir.Y
if a.position.Y+a.height > a.ctx.Height() {
a.dir.Y = -1
a.updown = "marioUp"
} else if a.position.Y-a.height < 0 {
a.updown = "marioDown"
a.dir.Y = 1
}
if a.position.X+a.width > a.ctx.Width() {
a.dir.X = -1
} else if a.position.X-a.width < 0 {
a.dir.X = 1
}
}
func main() {
config := &rgbmatrix.DefaultConfig
config.Rows = *rows
@@ -233,7 +62,7 @@ func main() {
tk := rgbmatrix.NewToolKit(m)
defer tk.Close()
log.Println("making animator")
go animator(tk, mqMessages)
go orchestrator(tk, mqMessages)
log.Println("I guess I'm at the end")
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)

50
mqttcoms.go Normal file
View File

@@ -0,0 +1,50 @@
package main
import (
"fmt"
"log"
"os"
MQTT "github.com/eclipse/paho.mqtt.golang"
mqtt "github.com/eclipse/paho.mqtt.golang"
)
// contents of struct mostly don't matter for toolkit.
type incomingMessage struct {
Type string `json:"type"`
Image string `json:"image"`
}
// listens on topic for messages
func listener(mqMessages chan mqtt.Message) {
opts := setupMQTT()
client := MQTT.NewClient(opts)
topic := "home/rgbboard"
if token := client.Connect(); token.Wait() && token.Error() != nil {
log.Println(fmt.Sprintf("failed to connect to mq: %s", token.Error().Error()))
panic(token.Error())
}
log.Println("connected")
client.Subscribe(topic, 0, func(client mqtt.Client, msg mqtt.Message) {
log.Println("Receiving ", string(msg.Payload()), " on topic: ", msg.Topic())
mqMessages <- msg
})
}
// connection lost management
func onConnectionLostHandler(c MQTT.Client, reason error) {
log.Fatalf(reason.Error())
}
// setup connection to mqtt, topic to listen to, qos
func setupMQTT() *mqtt.ClientOptions {
opts := MQTT.NewClientOptions()
opts.AddBroker(fmt.Sprintf("tcp://%s:%s", os.Getenv("MQTTBROKER"), os.Getenv("MQTTPORT")))
opts.SetUsername(os.Getenv("MQTTUSER"))
opts.SetPassword(os.Getenv("MQTTPASSWORD"))
opts.SetClientID("rgbboard")
opts.SetAutoReconnect(true)
opts.SetConnectionLostHandler(onConnectionLostHandler)
return opts
}