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https://github.com/tinygo-org/drivers.git
synced 2026-08-13 03:13:41 +00:00
Add network device driver model, netdev
This commit is contained in:
Scott Feldman
Ron Evans
@@ -0,0 +1,213 @@
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// This example listens on port :80 serving a web page. Multiple clients
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// may connect and be serviced at the same time. IPv4 only. HTTP only.
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//
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// $ curl http://10.0.0.2
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//
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// Note: It may be necessary to increase the stack size when using "net/http".
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// Use the -stack-size=4KB command line option.
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package main
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import (
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"fmt"
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"log"
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"machine"
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"net/http"
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"strconv"
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"time"
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)
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var (
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ssid string
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pass string
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port string = ":80"
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)
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var (
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// this is the ESP chip that has the WIFININA firmware flashed on it
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adaptor *wifinina.Device
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)
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var led = machine.LED
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func main() {
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// wait a bit for serial
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time.Sleep(2 * time.Second)
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led.Configure(machine.PinConfig{Mode: machine.PinOutput})
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if err := netdev.NetConnect(); err != nil {
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log.Fatal(err)
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}
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http.HandleFunc("/", root)
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http.HandleFunc("/hello", hello)
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http.HandleFunc("/cnt", cnt)
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http.HandleFunc("/6", sixlines)
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http.HandleFunc("/off", LED_OFF)
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http.HandleFunc("/on", LED_ON)
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err := http.ListenAndServe(port, nil)
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for err != nil {
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fmt.Printf("error: %s\r\n", err.Error())
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time.Sleep(5 * time.Second)
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}
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}
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func root(w http.ResponseWriter, r *http.Request) {
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access := 1
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cookie, err := r.Cookie("access")
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if err != nil {
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if err == http.ErrNoCookie {
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cookie = &http.Cookie{
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Name: "access",
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Value: "1",
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}
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} else {
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http.Error(w, fmt.Sprintf("%s", err.Error()), http.StatusBadRequest)
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return
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}
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} else {
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v, err := strconv.ParseInt(cookie.Value, 10, 0)
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if err != nil {
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http.Error(w, fmt.Sprintf("invalid cookie.Value : %s", cookie.Value), http.StatusBadRequest)
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return
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}
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cookie.Value = fmt.Sprintf("%d", v+1)
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access = int(v) + 1
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}
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http.SetCookie(w, cookie)
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w.WriteHeader(http.StatusOK)
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fmt.Fprintf(w, `
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<html>
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<head>
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<title>TinyGo HTTP Server</title>
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<script language="javascript" type="text/javascript">
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var counter = 0
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function ledOn() { fetch("/on"); }
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function ledOff() { fetch("/off"); }
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function fetchCnt() { fetch("/cnt").then(response => response.json()).then(json => { counter = json.cnt; cnt.innerHTML = counter; }); }
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function incrCnt() { counter = counter + 1; fetch("/cnt?cnt=" + counter, { method: 'POST' }).then(response => response.json()).then(json => { counter = json.cnt; cnt.innerHTML = counter; }); }
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function setCnt() { fetch("/cnt", {
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method: "POST",
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body: "cnt=" + document.getElementsByName("cnt")[0].value,
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headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
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}).then(response => response.json()).then(json => { counter = json.cnt; cnt.innerHTML = counter; }); return false; }
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function onLoad() { fetchCnt(); }
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</script>
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</head>
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<body onLoad="onLoad()">
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<h5>TinyGo HTTP Server</h5>
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<p>
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access: %d
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</p>
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<a href="/hello">/hello</a><br>
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<a href="/6">/6</a><br>
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<p>
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LED<br>
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<a href="javascript:ledOn();">/on</a><br>
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<a href="javascript:ledOff();">/off</a><br>
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</p>
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<p>
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<a href="/cnt">/cnt</a><br>
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cnt: <span id="cnt"></span><br>
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<a href="javascript:incrCnt()">incrCnt()</a><br>
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<form id="form1" style="display: inline" onSubmit="return setCnt()">
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<input type="text" name="cnt">
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<input type="button" value="set cnt", onClick="setCnt()">
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</form>
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</p>
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</body>
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</html>
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`, access)
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}
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func sixlines(w http.ResponseWriter, r *http.Request) {
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// https://fukuno.jig.jp/3267
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fmt.Fprint(w, `<body onload='onkeydown=e=>K=parseInt(e.key[5]||6,28)/3-8;Z=X=[B=A=12];Y=_=>`+
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`{for(C=[q=c=i=4];f=i--*K;c-=!Z[h+(K+6?p+K:C[i]=p*A-(p/9|0)*145)])p=B[i];for(c?0:K+6?h+=K:B=C;`+
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`i=K=q--;f+=Z[A+p])X[p=h+B[q]]=1;h+=A;if(f|B)for(Z=X,X=[l=228],B=[[-7,-20,6,h=17,-9,3,3][t=++t%7]-4,0,1,t-6?-A:2];l--;)`+
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`for(l%A?l-=l%A*!Z[l]:(P++,c=l+=A);--c>A;)Z[c]=Z[c-A];for(S="";i<240;S+=X[i]|(X[i]=Z[i]|=++i%A<2|i>228)?i%A?"■":"■<br>":" ");`+
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`D.innerHTML=S+P;setTimeout(Y,i-P)};Y(h=K=t=P=0)'id=D>`)
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}
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func LED_ON(w http.ResponseWriter, r *http.Request) {
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led.High()
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w.Header().Set(`Content-Type`, `text/plain; charset=UTF-8`)
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fmt.Fprintf(w, "led.High()")
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}
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func LED_OFF(w http.ResponseWriter, r *http.Request) {
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led.Low()
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w.Header().Set(`Content-Type`, `text/plain; charset=UTF-8`)
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fmt.Fprintf(w, "led.Low()")
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}
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func hello(w http.ResponseWriter, r *http.Request) {
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w.Header().Set(`Content-Type`, `text/plain; charset=UTF-8`)
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fmt.Fprintf(w, "hello")
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}
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var counter int
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func cnt(w http.ResponseWriter, r *http.Request) {
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r.ParseForm()
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if r.Method == "POST" {
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c := r.Form.Get("cnt")
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if c != "" {
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i64, _ := strconv.ParseInt(c, 0, 0)
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counter = int(i64)
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}
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}
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w.Header().Set(`Content-Type`, `application/json`)
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fmt.Fprintf(w, `{"cnt": %d}`, counter)
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}
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const retriesBeforeFailure = 3
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// connect to access point
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func connectToAP() {
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time.Sleep(2 * time.Second)
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var err error
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for i := 0; i < retriesBeforeFailure; i++ {
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println("Connecting to " + ssid)
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err = adaptor.ConnectToAccessPoint(ssid, pass, 10*time.Second)
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if err == nil {
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println("Connected.")
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return
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}
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}
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// error connecting to AP
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failMessage(err.Error())
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}
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func displayIP() {
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ip, _, _, err := adaptor.GetIP()
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for ; err != nil; ip, _, _, err = adaptor.GetIP() {
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message(err.Error())
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time.Sleep(1 * time.Second)
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}
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message("IP address: " + ip.String())
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}
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func message(msg string) {
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println(msg, "\r")
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}
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func failMessage(msg string) {
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for {
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println(msg)
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time.Sleep(1 * time.Second)
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}
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}
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@@ -0,0 +1,29 @@
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//go:build wioterminal
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// +build: wioterminal
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package main
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import (
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"machine"
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"time"
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"tinygo.org/x/drivers/rtl8720dn"
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)
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var cfg = rtl8720dn.Config{
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// WiFi AP credentials
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Ssid: ssid,
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Passphrase: pass,
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// Device
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En: machine.RTL8720D_CHIP_PU,
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// UART
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Uart: machine.UART3,
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Tx: machine.PB24,
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Rx: machine.PC24,
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Baudrate: 614400,
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// Watchdog (set to 0 to disable)
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WatchdogTimeo: time.Duration(20 * time.Second),
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}
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var netdev = rtl8720dn.New(&cfg)
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@@ -0,0 +1,33 @@
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//go:build pyportal || nano_rp2040 || metro_m4_airlift || arduino_mkrwifi1010 || matrixportal_m4
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// +build: pyportal nano_rp2040 metro_m4_airlift arduino_mkrwifi1010 matrixportal_m4
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package main
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import (
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"machine"
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"time"
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"tinygo.org/x/drivers/wifinina"
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)
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var cfg = wifinina.Config{
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// WiFi AP credentials
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Ssid: ssid,
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Passphrase: pass,
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// Configure SPI for 8Mhz, Mode 0, MSB First
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Spi: machine.NINA_SPI,
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Freq: 8 * 1e6,
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Sdo: machine.NINA_SDO,
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Sdi: machine.NINA_SDI,
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Sck: machine.NINA_SCK,
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// Device pins
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Cs: machine.NINA_CS,
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Ack: machine.NINA_ACK,
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Gpio0: machine.NINA_GPIO0,
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Resetn: machine.NINA_RESETN,
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// Watchdog (set to 0 to disable)
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WatchdogTimeo: time.Duration(20 * time.Second),
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}
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var netdev = wifinina.New(&cfg)
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