wifi/espat, rtl8720dn, wifinina: move towards standard common interface for wifi adaptors

Signed-off-by: deadprogram <ron@hybridgroup.com>

wifinina/wifidriver.go

@@ -0,0 +1,26 @@
+package wifinina
+
+import (
+	"time"
+
+	"tinygo.org/x/drivers"
+)
+
+func (d *Device) ConnectToAccessPoint(ssid, pass string, timeout time.Duration) error {
+	if len(ssid) == 0 {
+		return drivers.ErrWiFiMissingSSID
+	}
+
+	start := time.Now()
+	d.SetPassphrase(ssid, pass)
+
+	for time.Since(start) < timeout {
+		st, _ := d.GetConnectionStatus()
+		if st == StatusConnected {
+			return nil
+		}
+		time.Sleep(100 * time.Millisecond)
+	}
+
+	return drivers.ErrWiFiConnectTimeout
+}