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Wiki source code of Control Gateway GPIOs & LEDs

Version 15.1 by Edwin Chen on 2022/05/07 16:34
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1 {{box cssClass="floatinginfobox" title="**Contents**"}}
2 {{toc/}}
3 {{/box}}
4
5 = Products LEDs Mapping =
6
7 {{velocity}}
8 $xwiki.ssfx.use("js/xwiki/table/table.css")
9 $xwiki.jsfx.use("js/xwiki/table/tablefilterNsort.js", true)
10 {{/velocity}}
11
12 (% class="doOddEven filterable grid sortable" id="tableid" %)
13 (% class="sortHeader" %)|=Model|=Global LED|=(% style="width: 66px;" %)PWR LED|=(% style="width: 66px;" %)LAN LED|=WAn LED|=WIFI LED|=SENSOR LED|=4G control (Second +3.3v)|=USB POWER(+5v) Control
14 |**LPS8**|(((
15 GPIO28(BLUE),
16
17 GPIO21(RED),
18
19 GPIO22(GREEN)
20 )))|(% style="width:66px" %)(((
21
22
23 +3.3v
24
25
26 )))|(% style="width:80px" %) |GPIO17(RED)| | | |
27 |**LPS8N**|(((
28 GPIO28(BLUE),
29
30 GPIO21(RED),
31
32 GPIO22(GREEN)
33 )))|(% style="width:66px" %)(((
34
35
36 +3.3v
37 )))|(% style="width:80px" %) |GPIO17(RED)|(((
38 GPIO16(BLUE),
39
40 GPIO26(RED),
41
42 GPIO27(GREEN)
43 )))| |GPIO15|
44 |**LG308**|GPIO28(RED)|(% style="width:66px" %)+3.3v|(% style="width:80px" %)GPIO13(RED) |GPIO17(RED)| GPIO0(RED)| |GPIO15 |GPIO1
45 |**DLOS8**|GPIO28(GREEN)|(% style="width:66px" %)+3.3v|(% style="width:80px" %) |GPIO17(GREEN)| GPIO0(GREEN)| |GPIO15 |GPIO1
46 |**HP0C**|PA8(GREEN),PA9(RED)|(% style="width:66px" %)+3.3v|(% style="width:80px" %)EPHY-LINK-LED(GREEN),PA17(BLUE)| |PA7(RED)| | |
47 |**HP0A**|PA8(GREEN)|(% style="width:66px" %)+3.3v|(% style="width:80px" %)EPHY-LINK-LED|PA9(RED)|PA7(RED)| |PA17|
48 |**IBB**|GPIO28(GREEN)|(% style="width:66px" %)+3.3v|(% style="width:80px" %)GPIO13(GREEN)|GPIO17(GREEN)|GPIO0(GREEN)|SENSOR_LED| |GPIO1
49 |**LIG16**|GPIO28(RED)|(% style="width:66px" %)+3.3v|(% style="width:80px" %)GPIO22(GREEN)|GPIO17(GREEN)|GPIO0(GREEN)|GPIO21(GREEN)| |
50 |**MS14N**|GPIO28(GREEN)|(% style="width:66px" %)+3.3v|(% style="width:80px" %)GPIO13(GREEN)|GPIO17(GREEN)|GPIO0(GREEN)|SENSOR_LED| |GPIO1
51
52 (% class="mark" %)Notice: GPIO28 is exposed as dragino2:red:system in firmware by default.
53
54
55
56 = Control LEDs & GPIOs =
57
58 == OpenWrt Base OS ==
59
60 (% class="box infomessage" id="HControlanGeneralGPIO:" %)
61 (((
62 **Control a General GPIO:**
63
64 **echo 18 > /sys/class/gpio/export**     ~/~/ Export gpio 18 so we can use it
65 **echo "high" > /sys/class/gpio/gpio18/direction**   ~/~/  Set direction to out and
66 set level to high. Use "low" to set direction to output and level to low
67
68 **echo 0 > /sys/class/gpio/gpio18/value**    ~/~/ Set output to 0 or 1
69 **echo "in" > /sys/class/gpio/gpio18/direction**  ~/~/ Set GPIO18 as input
70
71 **cat  /sys/class/gpio/gpio18/value**  ~/~/ Get GPIO18 value if set input
72 )))
73
74 (% class="box infomessage" %)
75 (((
76 **Control a GPIO already exported as SYSTEM LEDs .**
77 **echo 1 > /sys/class/leds/dragino2\:red\:system/brightness**  ~/~/ Turn On LED dragino2:red:system
78 **echo 0 > /sys/class/leds/dragino2\:red\:system/brightness**  ~/~/ Turn off LED dragino2:red:system
79 )))
80
81
82 Reference: [[http:~~/~~/www.avrfreaks.net/wiki/index.php/Documentation:Linux/GPIO#gpio-sysfs>>url:http://www.avrfreaks.net/wiki/index.php/Documentation:Linux/GPIO#gpio-sysfs]]