Differences

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--- odroid_go_advance:application_note:sdio_wifi [2020/05/21 11:45] – [How to configure built-in WIFI module] joy.cho
+++ odroid_go_advance:application_note:sdio_wifi [2020/09/03 17:09] (current) – [Configuring WIFI AP mode] joy.cho
@@ Line 1: / Line 1: @@
 ====== How to configure built-in WIFI module ======
-<WRAP info round>
-**This wiki page will be updated soon!!!** (2020.05.21)
-</WRAP>
 <WRAP info round>
@@ Line 8: / Line 5: @@
 </WRAP>
-  - WIFI KEY Features
+  - Module Key Features
   - Configuring WIFI station mode (1) - using [Configuration] Menu
   - Configuring WIFI station mode (2) - using command line
   - Configuring WIFI AP mode
-  - Checking basic connection
+  - Checking basic connection of wlan0
-  - Configuring Suspend/Resume
+  - Workaround to support Suspend/Resume with esp8089 module
-===== WIFI Key Features =====
+===== Module Key Features =====
-  * ESP-WROOM-S2 that integrates ESP8266EX
-  * WIFI Protocol : 802.11 b/g/n
+^ Items            ^ Specifications                              ^
-  * Frequency Range : 2.4 GHz ~ 2.5 GHz (2400 MHz ~ 2483.5 MHz)
+| Module           | ESP-WROOM-S2                                |
-  * SDIO interface up to 50 MHz, SDIO v2.0
+| MCU              | ESP8266EX                                   |
+| WIFI Protocol    | 802.11 b/g/n, up to 72.2 Mbps of data rate  |
+| Frequency Range  | 2.4 GHz ~ 2.5 GHz (2400 MHz ~ 2483.5 MHz)   |
+| Interface        | SDIO interface up to 50MHz, SDIO v2.0       |
@@ Line 27: / Line 27: @@
 ===== Configuring WIFI station mode (2) - using command line =====
-Turn on radio.
+Or you can establish WIFI network using the following instuctions.\\
+\\
+First, check **esp8089** module is loaded normally.
+<code bash target>
+$ lsmod
+Module                  Size  Used by
+esp8089               266240  0
+sch_fq_codel           20480  5
+ip_tables              24576  0
+x_tables               32768  1 ip_tables
+ipv6                  372736  24
+</code>
+Turn on wifi radio.
 <code bash target>
 # nmcli radio wifi on
 </code>
-Check wifi list.
+You can get all available WIFI list as following.
 <code bash target>
 $ nmcli dev wifi list
@@ Line 39: / Line 51: @@
         SSID_3          Infra  11    130 Mbit/s  92      ▂▄▆█  WPA2
 </code>
-Add connection.
+Enter SSID and password data.
 <code bash target>
 $ nmcli dev wifi con 'SSID_1' password 'password_of_ssid1'
 </code>
-Check ip configuration.
+If there is no issue during network establishment, you will get IP information.
 <code bash target>
 $ ip addr
@@ Line 65: / Line 77: @@
 ===== Configuring WIFI AP mode =====
+There is no GUI menu to configure WIFI AP mode for now.\\
+Please use the following instruction via command line.
 === 1. Update & Upgrade ===
 <code bash target>
@@ Line 81: / Line 94: @@
 $ sudo systemctl disable dnsmasq
 </code>
-=== 3. Setup (1) - Configuration a static IP ===
+=== 3. Setup (1) - Configuring a static IP ===
 To configure the static IP address, please edit a dhcpcd configuration file, /etc/dhcpcd.conf.\\
 Go to the end fo this file and add the following lines.\\
@@ Line 94: / Line 107: @@
 </code>
-=== 4. Setup (2) : Configuring the access point host software - 'hostapd' ===
+=== 4. Setup (2) - Configuring the access point host software - 'hostapd' ===
 (1) You need to edit the hostapd configuration file in /etc/hostapd.\\
 <code bash target>
@@ Line 126: / Line 139: @@
 </code>
 <code bash target>
-# DAEMON_CONF=""
 DAEMON_CONF="/etc/hostapd/hostapd.conf"
 </code>
-=== 5. Setup (3) : Configuring DHCP server - 'dnsmasq' ===
+=== 5. Setup (3) - Configuring DHCP server - 'dnsmasq' ===
 Add the following information in the dnsmasq configuration file, /etc/dnsmasq.conf.\\
 <code bash target>
-#stop DNSmasq from using resolv.conf
+$ vi /etc/dnsmasq.conf
+</code>
+<code bash target>
+# If you don't want dnsmasq to read /etc/resolv.conf or any other
+# file, getting its servers from this file instead (see below), then
+# uncomment this.
 no-resolv
-#Interface to use
+# If you want dnsmasq to listen for DHCP and DNS requests only on
+# specified interfaces (and the loopback) give the name of the
+# interface (eg eth0) here.
+# Repeat the line for more than one interface.
 interface=wlan0
+# On systems which support it, dnsmasq binds the wildcard address,
+# even when it is listening on only some interfaces. It then discards
+# requests that it shouldn't reply to. This has the advantage of
+# working even when interfaces come and go and change address. If you
+# want dnsmasq to really bind only the interfaces it is listening on,
+# uncomment this option. About the only time you may need this is when
+# running another nameserver on the same machine.
 bind-interfaces
+# Uncomment this to enable the integrated DHCP server, you need
+# to supply the range of addresses available for lease and optionally
+# a lease time. If you have more than one network, you will need to
+# repeat this for each network on which you want to supply DHCP
+# service.
 dhcp-range=192.168.4.3,192.168.4.20,12h
 </code>
-=== 6. Setup (4) : Configuring network ===
+=== 6. Setup (4) - Configuring Network ===
 Create /etc/network/interfaces. \\
 Make sure that 3rd line is blocked using "#".\\
@@ Line 152: / Line 187: @@
 === 7. Start services ===
 <code bash target>
-$ service dnsmasq start
+$ sudo systemctl enable dnsmasq
-$ service hostapd start
+$ sudo systemctl start dnsmasq
-</code>
+$ sudo systemctl enable hostapd
+$ sudo systemctl start hostapd
+</code>
+<code bash target>
+$ ip addr
+: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1
+    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
+    inet 127.0.0.1/8 scope host lo
+       valid_lft forever preferred_lft forever
+    inet6 ::1/128 scope host
+       valid_lft forever preferred_lft forever
+: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
+    link/ether ab:cd:ef:12:34:56 brd ff:ff:ff:ff:ff:ff
+    inet 192.168.4.1/24 brd 192.168.4.255 scope global noprefixroute wlan0
+       valid_lft forever preferred_lft forever
+    inet6 fe80::1234:1234:1234:1234/64 scope link
+       valid_lft forever preferred_lft forever
+</code>
 ===== Checking basic connection =====
+If you get fails during network setup, please check the followings using ssh with a USB-to-Ethernet adapter or UART console.
 === mmc1 node ===
 <code bash target>
@@ Line 186: / Line 240: @@
 </code>
-===== Configuring Suspend/Resume =====
+===== Workaround to support Suspend/Resume with esp8089 module =====
 **/lib/systemd/system-sleep/sleep**\\