mirror of
https://github.com/tinygo-org/drivers.git
synced 2026-08-12 02:43:42 +00:00
rtl8720dn: add examples/rtl8720dn/webserver
This commit is contained in:
sago35
Ron Evans
@@ -0,0 +1,162 @@
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package main
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import (
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"fmt"
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"machine"
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"strconv"
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"time"
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"tinygo.org/x/drivers/net/http"
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)
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// You can override the setting with the init() in another source code.
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// func init() {
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// ssid = "your-ssid"
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// password = "your-password"
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// debug = true
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// }
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var (
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ssid string
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password string
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debug = false
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)
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var led = machine.LED
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var backlight = machine.LCD_BACKLIGHT
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func main() {
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led.Configure(machine.PinConfig{Mode: machine.PinOutput})
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backlight.Configure(machine.PinConfig{Mode: machine.PinOutput})
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err := run()
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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 run() error {
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rtl, err := setupRTL8720DN()
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if err != nil {
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return err
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}
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http.UseDriver(rtl)
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err = rtl.ConnectToAP(ssid, password)
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if err != nil {
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return err
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}
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ip, subnet, gateway, err := rtl.GetIP()
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if err != nil {
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return err
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}
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fmt.Printf("IP Address : %s\r\n", ip)
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fmt.Printf("Mask : %s\r\n", subnet)
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fmt.Printf("Gateway : %s\r\n", gateway)
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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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if err := http.ListenAndServe(":80", nil); err != nil {
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message(err.Error())
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}
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return nil
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}
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func root(w http.ResponseWriter, r *http.Request) {
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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").then(response => response.text()).then(text => { led.innerHTML = "<p>on</p>"; }); }
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function ledOff() { fetch("/off").then(response => response.text()).then(text => { led.innerHTML = "<p>off</p>"; }); }
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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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<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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`)
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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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backlight.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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backlight.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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func message(msg string) {
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println(msg, "\r")
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}
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@@ -0,0 +1,73 @@
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// +build wioterminal
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package main
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import (
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"device/sam"
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"machine"
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"runtime/interrupt"
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"time"
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"tinygo.org/x/drivers/rtl8720dn"
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)
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var (
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uart UARTx
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)
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func handleInterrupt(interrupt.Interrupt) {
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// should reset IRQ
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uart.Receive(byte((uart.Bus.DATA.Get() & 0xFF)))
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uart.Bus.INTFLAG.SetBits(sam.SERCOM_USART_INT_INTFLAG_RXC)
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}
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func setupRTL8720DN() (*rtl8720dn.RTL8720DN, error) {
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machine.RTL8720D_CHIP_PU.Configure(machine.PinConfig{Mode: machine.PinOutput})
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machine.RTL8720D_CHIP_PU.Low()
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time.Sleep(100 * time.Millisecond)
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machine.RTL8720D_CHIP_PU.High()
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time.Sleep(1000 * time.Millisecond)
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if debug {
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waitSerial()
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}
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uart = UARTx{
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UART: &machine.UART{
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Buffer: machine.NewRingBuffer(),
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Bus: sam.SERCOM0_USART_INT,
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SERCOM: 0,
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},
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}
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uart.Interrupt = interrupt.New(sam.IRQ_SERCOM0_2, handleInterrupt)
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uart.Configure(machine.UARTConfig{TX: machine.PB24, RX: machine.PC24, BaudRate: 614400})
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rtl := rtl8720dn.New(uart)
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rtl.Debug(debug)
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_, err := rtl.Rpc_tcpip_adapter_init()
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if err != nil {
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return nil, err
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}
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return rtl, nil
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}
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// Wait for user to open serial console
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func waitSerial() {
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for !machine.Serial.DTR() {
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time.Sleep(100 * time.Millisecond)
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}
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}
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type UARTx struct {
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*machine.UART
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}
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func (u UARTx) Read(p []byte) (n int, err error) {
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if u.Buffered() == 0 {
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time.Sleep(1 * time.Millisecond)
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return 0, nil
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}
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return u.UART.Read(p)
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}
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