mirror of
https://github.com/tinygo-org/drivers.git
synced 2026-08-09 17:33:43 +00:00
Yurii Soldak
131 lines
2.5 KiB
Go
131 lines
2.5 KiB
Go
// This example connects to Access Point and prints some info
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package main
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import (
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"encoding/binary"
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"fmt"
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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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// access point info
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const ssid = ""
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const pass = ""
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// these are the default pins for the Arduino Nano33 IoT.
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// change these to connect to a different UART or pins for the ESP8266/ESP32
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var (
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// these are the default pins for the Arduino Nano33 IoT.
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spi = machine.NINA_SPI
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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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func setup() {
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// Configure SPI for 8Mhz, Mode 0, MSB First
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spi.Configure(machine.SPIConfig{
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Frequency: 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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})
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adaptor = wifinina.New(spi,
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machine.NINA_CS,
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machine.NINA_ACK,
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machine.NINA_GPIO0,
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machine.NINA_RESETN)
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adaptor.Configure()
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}
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func main() {
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setup()
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waitSerial()
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connectToAP()
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for {
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println("---------------------------------")
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printIPs()
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printTime()
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printMacAddress()
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time.Sleep(10 * time.Second)
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}
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}
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func printIPs() {
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ip, subnet, gateway, err := adaptor.GetIP()
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if err != nil {
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println("IP: Unknown (error: ", err.Error(), ")")
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return
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}
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println("IP: ", ip.String())
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println("Subnet: ", subnet.String())
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println("Gateway IP: ", gateway.String())
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}
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func printTime() {
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print("Time: ")
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t, err := adaptor.GetTime()
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if err != nil {
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println("Unknown (error: ", err.Error(), ")")
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}
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println(time.Unix(int64(t), 0).String())
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}
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func printMacAddress() {
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print("MAC Address: ")
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b := make([]byte, 8)
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mac, err := adaptor.GetMACAddress()
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if err != nil {
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println("Unknown (", err.Error(), ")")
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}
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binary.LittleEndian.PutUint64(b, uint64(mac))
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macAddress := ""
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for i := 5; i >= 0; i-- {
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macAddress += fmt.Sprintf("%0X", b[i])
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if i != 0 {
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macAddress += ":"
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}
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}
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println(macAddress)
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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.UART0.DTR() {
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time.Sleep(100 * time.Millisecond)
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}
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}
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// connect to access point
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func connectToAP() {
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if len(ssid) == 0 || len(pass) == 0 {
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for {
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println("Connection failed: Either ssid or password not set")
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time.Sleep(10 * time.Second)
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}
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}
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time.Sleep(2 * time.Second)
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message("Connecting to " + ssid)
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adaptor.SetPassphrase(ssid, pass)
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for st, _ := adaptor.GetConnectionStatus(); st != wifinina.StatusConnected; {
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message("Connection status: " + st.String())
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time.Sleep(1 * time.Second)
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st, _ = adaptor.GetConnectionStatus()
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}
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message("Connected.")
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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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