Add network device driver model, netdev

2026-08-08 08:53:40 +00:00 · 2023-03-28 12:18:59 -07:00
parent 00b1b4fbfb
commit 276feecc20
128 changed files with 6389 additions and 15539 deletions
@@ -0,0 +1,141 @@
+// This example runs on wioterminal.  It gets an URL using http.Get() and
+// displays the output on the wioterminal LCD screen.
+//
+// Note: It may be necessary to increase the stack size when using "net/http".
+// Use the -stack-size=4KB command line option.
+
+//go:build wioterminal
+
+// +build: wioterminal
+
+package main
+
+import (
+	"fmt"
+	"image/color"
+	"io"
+	"log"
+	"machine"
+	"net/http"
+	"net/url"
+	"strings"
+	"time"
+
+	"tinygo.org/x/drivers"
+	"tinygo.org/x/drivers/ili9341"
+	"tinygo.org/x/drivers/rtl8720dn"
+	"tinygo.org/x/tinyfont/proggy"
+	"tinygo.org/x/tinyterm"
+)
+
+var (
+	ssid string
+	pass string
+)
+
+var (
+	netcfg = rtl8720dn.Config{
+		Ssid:       ssid,
+		Passphrase: pass,
+		En:         machine.RTL8720D_CHIP_PU,
+		Uart:       machine.UART3,
+		Tx:         machine.PB24,
+		Rx:         machine.PC24,
+		Baudrate:   614400,
+	}
+
+	netdev = rtl8720dn.New(&netcfg)
+
+	display = ili9341.NewSPI(
+		machine.SPI3,
+		machine.LCD_DC,
+		machine.LCD_SS_PIN,
+		machine.LCD_RESET,
+	)
+
+	backlight = machine.LCD_BACKLIGHT
+
+	terminal = tinyterm.NewTerminal(display)
+
+	black = color.RGBA{0, 0, 0, 255}
+	white = color.RGBA{255, 255, 255, 255}
+	red   = color.RGBA{255, 0, 0, 255}
+	blue  = color.RGBA{0, 0, 255, 255}
+	green = color.RGBA{0, 255, 0, 255}
+
+	font = &proggy.TinySZ8pt7b
+)
+
+func notify(e drivers.NetlinkEvent) {
+	switch e {
+	case drivers.NetlinkEventNetUp:
+		fmt.Println("Wifi connection UP")
+		fmt.Fprintf(terminal, "Wifi connection UP")
+	case drivers.NetlinkEventNetDown:
+		fmt.Println("Wifi connection DOWN")
+		fmt.Fprintf(terminal, "Wifi connection DOWN")
+	}
+}
+
+func main() {
+
+	machine.SPI3.Configure(machine.SPIConfig{
+		SCK:       machine.LCD_SCK_PIN,
+		SDO:       machine.LCD_SDO_PIN,
+		SDI:       machine.LCD_SDI_PIN,
+		Frequency: 40000000,
+	})
+
+	display.Configure(ili9341.Config{})
+	display.FillScreen(black)
+
+	backlight.Configure(machine.PinConfig{machine.PinOutput})
+	backlight.High()
+
+	terminal.Configure(&tinyterm.Config{
+		Font:       font,
+		FontHeight: 10,
+		FontOffset: 6,
+	})
+
+	fmt.Fprintf(terminal, "Connecting to %s...\r\n", ssid)
+
+	netdev.NetNotify(notify)
+
+	if err := netdev.NetConnect(); err != nil {
+		log.Fatal(err)
+	}
+
+	name := "John Doe"
+	occupation := "gardener"
+
+	params := "name=" + url.QueryEscape(name) + "&" +
+		"occupation=" + url.QueryEscape(occupation)
+
+	path := fmt.Sprintf("https://httpbin.org/get?%s", params)
+
+	cnt := 0
+	for {
+		fmt.Fprintf(terminal, "Getting %s\r\n\r\n", path)
+		resp, err := http.Get(path)
+		if err != nil {
+			fmt.Fprintf(terminal, "%s\r\n", err.Error())
+			time.Sleep(10 * time.Second)
+			continue
+		}
+
+		fmt.Fprintf(terminal, "%s %s\r\n", resp.Proto, resp.Status)
+		for k, v := range resp.Header {
+			fmt.Fprintf(terminal, "%s: %s\r\n", k, strings.Join(v, " "))
+		}
+		fmt.Fprintf(terminal, "\r\n")
+
+		body, err := io.ReadAll(resp.Body)
+		fmt.Fprintf(terminal, string(body))
+		resp.Body.Close()
+
+		cnt++
+		fmt.Fprintf(terminal, "-------- %d --------\r\n", cnt)
+		time.Sleep(10 * time.Second)
+	}
+}