# HG changeset patch
# User drewp@bigasterisk.com
# Date 1405189900 25200
# Node ID cc04b6af047753a531656b0629a7f5aa6cc16cd5
# Parent 1952788e5299002694b0f474c28e43b2abc7047d
start pilight server in go
Ignore-this: f10b5ce373b929bcedbe18b315f0abb9
diff -r 1952788e5299 -r cc04b6af0477 service/pilight/pilight.go
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/service/pilight/pilight.go Sat Jul 12 11:31:40 2014 -0700
@@ -0,0 +1,118 @@
+package main
+
+import "github.com/go-martini/martini"
+import "github.com/tarm/goserial"
+import "log"
+import "io"
+import "net/http"
+import "image/color"
+import "color/hex"
+import "strconv"
+import "time"
+
+const ledCount = 3
+
+type Board struct {
+ ser io.ReadWriteCloser
+ LedColors [ledCount]color.Color
+}
+
+func OpenBoard(dev string) (*Board, error) {
+ c := &serial.Config{Name: dev, Baud: 115200}
+ ser, err := serial.OpenPort(c)
+ if err != nil {
+ return nil, err
+ }
+ log.Printf("wait for arduino to start up")
+ time.Sleep(2 * time.Second)
+ b := &Board{ser: ser}
+ for i := 0; i < ledCount; i++ {
+ b.LedColors[i] = color.RGBA{}
+ }
+ return b, err
+}
+
+func (b *Board) Write(cmd byte, msg []byte) error {
+ head := make([]byte, 2)
+ head[0] = 0x60
+ head[1] = cmd
+ _, err := b.ser.Write(head)
+ if err != nil {
+ return err
+ }
+ _, err = b.ser.Write(msg)
+ if err != nil {
+ return err
+ }
+ return err
+}
+
+func (b *Board) UpdateLeds() error {
+ bytes := make([]byte, 9)
+
+ for i := 0; i < ledCount; i++ {
+ r, g, b, _ := b.LedColors[i].RGBA()
+ bytes[i*3+0] = uint8(r)
+ bytes[i*3+1] = uint8(g)
+ bytes[i*3+2] = uint8(b)
+ }
+ return b.Write(0, bytes)
+}
+
+func getBodyStringColor(req *http.Request) (c color.Color, err error) {
+ bytes := make([]byte, 1024)
+ n, err := req.Body.Read(bytes)
+ body := hex.Hex(string(bytes[:n]))
+ if err != nil {
+ return
+ }
+ r, g, b := hex.HexToRGB(body)
+ return color.RGBA{r, g, b, 0}, nil
+}
+
+func main() {
+ board, err := OpenBoard("/dev/serial/by-id/usb-FTDI_FT232R_USB_UART_A9YLHR7R-if00-port0")
+ if err != nil {
+ log.Fatal(err)
+ }
+
+ m := martini.Classic()
+ m.Martini.Use(martini.Static("static"))
+ m.Get("/", martini.Static("static", martini.StaticOptions{}))
+ m.Put("/led/:id", func(req *http.Request, params martini.Params) (int, string) {
+ color, err := getBodyStringColor(req)
+ if err != nil {
+ return 400, ""
+ }
+ which, err := strconv.Atoi(params["id"])
+ if err != nil {
+ return 400, ""
+ }
+
+ board.LedColors[which] = color
+ err = board.UpdateLeds()
+ if err != nil {
+ return 500, ""
+ }
+
+ return 200, "ok"
+ })
+ m.Get("/led", func() string {
+ return "['#ff0000', '#ff0000']"
+ })
+ m.Put("/led", func(req *http.Request) (int, string) {
+ color, err := getBodyStringColor(req)
+ if err != nil {
+ return 400, ""
+ }
+
+ for i := 0; i < ledCount; i++ {
+ board.LedColors[i] = color
+ }
+ err = board.UpdateLeds()
+
+ return 200, "ok"
+ })
+ log.Printf("serving")
+ m.Run()
+}
diff -r 1952788e5299 -r cc04b6af0477 service/pilight/readme
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/service/pilight/readme Sat Jul 12 11:31:40 2014 -0700
@@ -0,0 +1,18 @@
+
+GET /
+ info
+
+PUT /led/0 <- '#ff0000'
+
+PUT /led <- '#ff0000' sets all
+
+GET /led/0 -> '#ff0000'
+GET /led -> ['#ff0000', '#ff0000'] json
+
+POST /image <- png; -> Location: /image/1
+PUT /image/1 <- new png
+GET /image/1 -> png
+PUT /animationMode <- {mode: 'continuous', image: '/image/1', pxPerSec: 30}
+PUT /animationMode <- {mode: 'none'}
+GET /animationMode -> last input json
+
diff -r 1952788e5299 -r cc04b6af0477 service/pilight/static/index.html
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/service/pilight/static/index.html Sat Jul 12 11:31:40 2014 -0700
@@ -0,0 +1,81 @@
+
+
+
+ pilight
+
+
+
+
+
+
+
+
+
+
+
+ {{status}}
+
+
+
+
+
+
+
+ LED0 color:
+
+
+
+
+
+
+
+
+
+