http://wiki.lang.idv.tw/ 2026-06-05T20:35:25+00:00 http://wiki.lang.idv.tw/ http://wiki.lang.idv.tw/_media/wiki/dokuwiki.svg text/html 2019-11-16T08:12:44+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.lang.idv.tw/other/workspace/mt7620/mt7620_3g_dongle_%E8%A8%AD%E5%AE%9A?rev=1573891964&do=diff MT7620 3G Dongle 設定 Ralink 3G dongle 設定 1. SDK enable 3G, please refer SDK(SDK4100) (11.40) p.141~p.145 2. 3G 功能在 WAN 中, 即 Static IP, DHCP, PPPoE, L2TP, PPTP, 3G 同時僅能選一項功能 3. 選 3G 時, 有指定 dongle 型號及自動偵測 text/html 2019-11-16T08:12:44+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.lang.idv.tw/other/workspace/mt7620/mt7620_%E5%BE%9E_0_%E9%96%8B%E5%A7%8B?rev=1573891964&do=diff MT7620 從 0 開始 (已知問題, make samba 3.0.2 會有 change_oem_password 問題, 目前先把 samba disable)(但若使用 ubuntu 10.04 則不會有問題) Install Ubuntu 12.04 1. 建議安裝 Ubuntu xx.04 LTS 版本, 官方為長期支援 ( LTS = Long Term Support ) text/html 2019-11-16T08:12:44+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.lang.idv.tw/other/workspace/mt7620/mt7620_command_line?rev=1573891964&do=diff 顯示所有設定 # ralink_init show 2860|grep SSID 顯示 ra0 狀態 # iwconfig ra0 顯示 apcli0 狀態 # iwconfig apcli0 設定 SSID (立即) # iwpriv ra0 set SSID=PA21-1870 (寫入 config) # nvram_set SSID1 PA21-1870 啟動 AP-Client Mode # iwpriv apcli0 set ApCliEnable=1 # ... text/html 2019-11-16T08:12:44+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.lang.idv.tw/other/workspace/mt7620/mt7620_gpio_%E8%A8%AD%E5%AE%9A?rev=1573891964&do=diff MT7620 GPIO 設定 (以 GPIO#40為例) 1. refer MT7620_ProgrammingGuide_E1_20120522.pdf 2. 查系統 address base (p19, 2.1.4 Register Descriptions (base: 0x1000_0000)), 這是physical address, 我們須要用virtual address, 所以請使用: # reg s 0 switch register base addr to system register 0xb0000000 (可以看出為 0xB0000000) text/html 2019-11-16T08:12:44+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.lang.idv.tw/other/workspace/mt7620/mt7620_i2s_%E8%A8%AD%E5%AE%9A?rev=1573891964&do=diff How to enable I2S: [Kernel] Device Drivers ---> Character devices ---> <*> Ralink I2S Support [*] Ralink SoC as I2S Master Device [User] Ralink Proprietary Application ---> [*] I2S Command I2S MCLK 如何打出 12MHz text/html 2019-11-16T08:12:44+00:00 Anonymous (anonymous@undisclosed.example.com) http://wiki.lang.idv.tw/other/workspace/mt7620/mt7620_source_code_%E4%BF%AE%E6%94%B9?rev=1573891964&do=diff 取得 Ethernet 是否有連線的function /TRUNK/SDK4120/source/linux-2.6.36.x/drivers/net/raeth/raether.c GPIO 定義 linux-2.6.36.x/drivers/char/ralink_gpio.c GPIO 預設值 linux-2.6.36.x/drivers/char/ralink_gpio.c void ralink_gpio_led_init_timer(void) { ... }