Tutorial for power button Odroid N2?

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Tutorial for power button Odroid N2?

Unread post by satzuke » Fri Nov 29, 2019 12:12 am

Hello I wish to put a power button on the odroid n2 I buy the power button and the 40pin to bend following the link that was in the tutorial and I connect the cable in the same way as the example of the photo on the wiki.
Image

I wanted to follow the tutorial I saw on the forum odroid but I do not understand the rest of what to do thank you for being enlightened.

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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Fri Nov 29, 2019 12:25 am

IMO, it would be a bit easier to help you if how much you are done and what are the rest.

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Fri Nov 29, 2019 1:16 am

the thing that I do not understand is the manipulation of the file boot.ini how to enter the line of code which and indicate to do in the tutorial?

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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Fri Nov 29, 2019 2:52 am

satzuke wrote:
Fri Nov 29, 2019 1:16 am
the thing that I do not understand is the manipulation of the file boot.ini how to enter the line of code which and indicate to do in the tutorial?
Which OS do you use?
You must be having a file boot.ini in the first partition of your memory card. In the file, just enter the two lines after the line which starts with setenv bootargs that is in the tutorial. If you are not sure if your change can work or not, please post yours here.

Code: Select all

### in case of GPIOX.3 (Pin 11) of 2x20 pins connector
setenv gpiopower "479"
setenv bootargs ${bootargs} gpiopower=${gpiopower}
If your change is correct, after boot you should be able to find the line from OS.

Code: Select all

$ cat /proc/cmdline
....snipped...gpiopower=479...snipped...
The number 479 is GPIO dedicated to GPIO pin header #11, your switch must be connected to.

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Fri Nov 29, 2019 3:42 am

thank you for your answer I use ubuntu-18.04.3-4.9 I do not know where the boot.ini file is, I must modify it on windows or on ubuntu thank you.

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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Fri Nov 29, 2019 4:32 am

satzuke wrote:
Fri Nov 29, 2019 3:42 am
thank you for your answer I use ubuntu-18.04.3-4.9 I do not know where the boot.ini file is, I must modify it on windows or on ubuntu thank you.
It must be in /media/boot.

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Fri Nov 29, 2019 6:22 am

it's good I've done it how I put the line of code I did well or I have to make changes?

ODROIDN2-UBOOT-CONFIG

# Default Console Device Setting
setenv condev "console=ttyS0,115200n8" # on both

# Auto Detection of Monitor settings based on your Screen information
setenv display_autodetect "true"

# HDMI Mode
# Resolution Configuration
# Symbol | Resolution
# ----------------------+-------------
# "480x272p60hz" | 480x272 Progressive 60Hz
# "480x320p60hz" | 480x320 Progressive 60Hz
# "480p60hz" | 720x480 Progressive 60Hz
# "576p50hz" | 720x576 Progressive 50Hz
# "720p60hz" | 1280x720 Progressive 60Hz
# "720p50hz" | 1280x720 Progressive 50Hz
# "1080p60hz" | 1920x1080 Progressive 60Hz
# "1080p50hz" | 1920x1080 Progressive 50Hz
# "1080p30hz" | 1920x1080 Progressive 30Hz
# "1080p24hz" | 1920x1080 Progressive 24Hz
# "1080i60hz" | 1920x1080 Interlaced 60Hz
# "1080i50hz" | 1920x1080 Interlaced 50Hz
# "2160p60hz" | 3840x2160 Progressive 60Hz
# "2160p50hz" | 3840x2160 Progressive 50Hz
# "2160p30hz" | 3840x2160 Progressive 30Hz
# "2160p25hz" | 3840x2160 Progressive 25Hz
# "2160p24hz" | 3840x2160 Progressive 24Hz
# "smpte24hz" | 3840x2160 Progressive 24Hz SMPTE
# "2160p60hz420" | 3840x2160 Progressive 60Hz YCbCr 4:2:0
# "2160p50hz420" | 3840x2160 Progressive 50Hz YCbCr 4:2:0
# "640x480p60hz" | 640x480 Progressive 60Hz
# "800x480p60hz" | 800x480 Progressive 60Hz
# "800x600p60hz" | 800x600 Progressive 60Hz
# "1024x600p60hz" | 1024x600 Progressive 60Hz
# "1024x768p60hz" | 1024x768 Progressive 60Hz
# "1280x800p60hz" | 1280x800 Progressive 60Hz
# "1280x1024p60hz" | 1280x1024 Progressive 60Hz
# "1360x768p60hz" | 1360x768 Progressive 60Hz
# "1440x900p60hz" | 1440x900 Progressive 60Hz
# "1600x900p60hz" | 1600x900 Progressive 60Hz
# "1600x1200p60hz" | 1600x1200 Progressive 60Hz
# "1680x1050p60hz" | 1680x1050 Progressive 60Hz
# "1920x1200p60hz" | 1920x1200 Progressive 60Hz
# "2560x1080p60hz" | 2560x1080 Progressive 60Hz
# "2560x1440p60hz" | 2560x1440 Progressive 60Hz
# "2560x1600p60hz" | 2560x1600 Progressive 60Hz
# "3440x1440p60hz" | 3440x1440 Progressive 60Hz
setenv hdmimode "1080p60hz"

# Monitor output
# Controls if HDMI PHY should output anything to the monitor
setenv monitor_onoff "false" # true or false

# Overscan percentage
# This value scales down the actual screen size by the percentage below
# valid range is 80 to 100
setenv overscan "100"

### voutmode : hdmi or dvi
setenv voutmode "hdmi"
# setenv voutmode "dvi"

# HPD enable/disable option
setenv disablehpd "false"

# Enable/Disable CEC
setenv cec "true"

# Hardkernel ODROID-VU7 support
# By default VU7 support is disabled
setenv disable_vu7 "true"
# setenv disable_vu7 "false"

# max cpu frequency for big core, A73 in MHz unit
# setenv max_freq_a73 "2004" # 2.004 GHz
# setenv max_freq_a73 "1992" # 1.992 GHz
# setenv max_freq_a73 "1908" # 1.908 GHz
setenv max_freq_a73 "1800" # 1.8 GHz, default value
# setenv max_freq_a73 "1704" # 1.704 GHz

# max cpu frequency for little core, A53 in MHz unit
# setenv max_freq_a53 "1992" # 1.992 GHz
setenv max_freq_a53 "1896" # 1.896 GHz, default value
# setenv max_freq_a53 "1704" # 1.704 GHz


# max cpu-cores
# Note:
# CPU's 0 and 1 are the A53 (small cores)
# CPU's 2 to 5 are the A73 (big cores)
# Lowering this value disables only the bigger cores (the last cores).
# setenv maxcpus "4"
# setenv maxcpus "5"
setenv maxcpus "6"

### Normal HDMI Monitors
if test "${display_autodetect}" = "true"; then hdmitx edid; fi
if test "${hdmimode}" = "custombuilt"; then setenv cmode "modeline=${modeline}"; fi
if test "${cec}" = "true"; then setenv cec_enable "hdmitx=cec3f"; fi

# VU7 Settings
if test "${disable_vu7}" = "false"; then setenv hid_quirks "usbhid.quirks=0x0eef:0x0005:0x0004"; fi

# Boot Args
setenv bootargs "root=UUID=e139ce78-9841-40fe-8823-96a304a09859 rootwait rw ${condev} ${amlogic} no_console_suspend fsck.repair=yes net.ifnames=0 elevator=noop hdmimode=${hdmimode} cvbsmode=576cvbs max_freq_a53=${max_freq_a53} max_freq_a73=${max_freq_a73} maxcpus=${maxcpus} voutmode=${voutmode} ${cmode} disablehpd=${disablehpd} cvbscable=${cvbscable} overscan=${overscan} ${hid_quirks} monitor_onoff=${monitor_onoff} logo=osd0,loaded ${cec_enable}"

### in case of GPIOX.3 (Pin 11) of 2x20 pins connector
setenv gpiopower "479"
setenv bootargs ${bootargs} gpiopower=${gpiopower}

# Set load addresses
setenv dtb_loadaddr "0x1000000"
setenv k_addr "0x1100000"
setenv loadaddr "0x1B00000"
setenv initrd_loadaddr "0x3700000"

# Load kernel, dtb and initrd
fatload mmc ${devno}:1 ${k_addr} Image.gz
fatload mmc ${devno}:1 ${dtb_loadaddr} meson64_odroidn2.dtb
fatload mmc ${devno}:1 ${initrd_loadaddr} uInitrd
fdt addr ${dtb_loadaddr}
# unzip the kernel
unzip ${k_addr} ${loadaddr}

# boot
booti ${loadaddr} ${initrd_loadaddr} ${dtb_loadaddr}

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Re: Tutorial for power button Odroid N2?

Unread post by odroidn2user » Fri Nov 29, 2019 5:59 pm

If HardKernel is reading this: +1 for a power button on the Odroid N2.
Please, for the Odroid N2.1 or N3, please add a power button. And: One that doesn't require a lot of DIY.

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Fri Nov 29, 2019 9:16 pm

Hello for the power button I have 2 jumpers one with the red and black wires the other with the green and blue wires, the red wire and connect to GPIO#481 pin 33 the black wire and connect to GPIO#482 pin 35 but it is gray, the green wire and plug on GPIO#490 pin 30, the blue wire and plug into GPIO#491 pin 32

for modifying the boot.ini file I did that:
# Boot Args
setenv bootargs "root=UUID=e139ce78-9841-40fe-8823-96a304a09859 rootwait rw ${condev} ${amlogic} no_console_suspend fsck.repair=yes net.ifnames=0 elevator=noop hdmimode=${hdmimode} cvbsmode=576cvbs max_freq_a53=${max_freq_a53} max_freq_a73=${max_freq_a73} maxcpus=${maxcpus} voutmode=${voutmode} ${cmode} disablehpd=${disablehpd} cvbscable=${cvbscable} overscan=${overscan} ${hid_quirks} monitor_onoff=${monitor_onoff} logo=osd0,loaded ${cec_enable}"

### in case of GPIOX.3 (Pin 33) of 2x20 pins connector
setenv gpiopower "481"
setenv bootargs ${bootargs} gpiopower=${gpiopower}

excuse me if it's badly translated I use google translation

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Fri Nov 29, 2019 9:39 pm

if someone wants to do a full tutorial I tell him a grans thanks in advance because the tutorial of the wiki and not very clear

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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Fri Nov 29, 2019 9:46 pm

satzuke wrote:if someone wants to do a full tutorial I tell him a grans thanks in advance because the tutorial of the wiki and not very clear
GPIO button does not work?
Can you paste the output of the command "cat /proc/cmdline" ?

"Tapatalk wishes you to have fun with ODROID"


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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Fri Nov 29, 2019 10:00 pm

"cat /proc/cmdline" this command I use it or and how? excuse me if I do not know how to do it

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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Fri Nov 29, 2019 10:47 pm

satzuke wrote:
Fri Nov 29, 2019 10:00 pm
"cat /proc/cmdline" this command I use it or and how? excuse me if I do not know how to do it
After booting an OS, get a shell command line and run the command.

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Sat Nov 30, 2019 12:00 am

Thank you after me what I want to do is be able to turn on the odroid n2 by pressing the button, the odroid n2 starts directly when I plug the power cable I can not get it started with the button the only thing I want to know is how to connect the 2 jumper son red and black, son green and blue and if possible without touching the boot.ini file

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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Sat Nov 30, 2019 12:26 am

satzuke wrote:
Sat Nov 30, 2019 12:00 am
Thank you after me what I want to do is be able to turn on the odroid n2 by pressing the button, the odroid n2 starts directly when I plug the power cable I can not get it started with the button the only thing I want to know is how to connect the 2 jumper son red and black, son green and blue and if possible without touching the boot.ini file
In order to make the switch work from GPIO, you must edit the file boot.ini.
Since ODROID-N2 is designed to start as soon as DC adapter is plugged, the only thing you can do is to start ODROID-N2 once by DC adapter and make it suspend from Linux. Then you can start ODROID-N2 with the switch which is connected. This is only possible when you success to make the switch work.
The Wiki page might not be enough to understand, there is table which wire has to be connected on 40-pin GPIO header that you have to wire up.
The wire color is not the matter at all, wiring is depended on your switch.

The Wiki page explains with the switch that has 4 pins, 2 for LED and another 2 for the momentary switch. If you don't use the switch without LED, you can ignore the first two-wire and only cares of the rest two wires. This 2 wire does not care of the polarity, so the color of wire is not at the matter but just connect one to any GND pin on 40-pin header and another one to GPIO479 which is #11 of 40-pin header. If you have a switch with LED in order to turn it on when ODROID-N2 is running, you have to check out the polarity - anode and cathod - this solely depends on your switch. Try to connect two wires - one to +5V and another one to GND to turn on LED when ODROID-N2 is running. If LED is not on, then swap the wire. If LED is on, keep the wires as connected. LED will be off when ODROID-N2 is off or suspend.

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Sat Nov 30, 2019 12:55 am

should I branch like this or not?

Image

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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Sat Nov 30, 2019 1:04 am

satzuke wrote:
Sat Nov 30, 2019 12:55 am
should I branch like this or not?

Image
1. "GPIOX_4(#) 13" is wrong, as I mentioned two wires for switch must be connected to #11 and GND. #13 is not GND so it has to be moved #9.
2. I have no idea what switch you are using, please check the specification of your switch what voltage it requires. If it requires +5V, it's ok to connect to #4. But it requires 3.3V, then wire at #4 must be moved to #1.

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Sat Nov 30, 2019 1:17 am


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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Sat Nov 30, 2019 1:21 am

Since it uses +5V, just fix the wire at #13 to move to #9. But please make sure that the power line is correctly wired not to burn your ODROID-N2.

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Sat Nov 30, 2019 1:45 am

the green wire and connect to ground # pin 9 and the blue wire and connect to PWM_B / GPIOX_4 (*) pin 11

the red wire and on 5.0v power # pin 4 the black wire and plug on ground pin # 7

for the connections I am good or not?
Image

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Sat Nov 30, 2019 1:52 am

really sorry if I have trouble understanding I do my best thank you for your patience if I deserve pies I understand lol

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Sat Nov 30, 2019 2:00 am

here is what the cables look like:
Image

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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Sat Nov 30, 2019 2:10 am

satzuke wrote:
Sat Nov 30, 2019 2:00 am
here is what the cables look like:
Image
The drawing of pinmap looks ok, but I cannot sure if the color of the wires is matching with your switch. I suppose at least red and black wires are for power in common sense. For sure, you should check which is the wires for a switch and which are wires for LED power with a multimeter.

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Sat Nov 30, 2019 2:15 am

I do not have a multimeter

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Sat Nov 30, 2019 7:08 am

good I do not know who it is but the odroid no longer lights when I change the button on spi the led blue lights and nothing happens when I remove spi no led lights can you me to say that it happens thank you

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Sat Nov 30, 2019 10:30 am

satzuke wrote:
Sat Nov 30, 2019 7:08 am
good I do not know who it is but the odroid no longer lights when I change the button on spi the led blue lights and nothing happens when I remove spi no led lights can you me to say that it happens thank you
I think I made a false contact with the 5V is there a solution or is it broken?

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Sun Dec 01, 2019 3:19 am

I buy a multimeter but the problem is that I do not know how to serve me

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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Sun Dec 01, 2019 3:31 pm

satzuke wrote:
Sun Dec 01, 2019 3:19 am
I buy a multimeter but the problem is that I do not know how to serve me
Check the voltage between pin #2 and #6 for +5V and #6 and #1 for +3.3V when your ODROID-N2 is powered on.

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Sun Dec 01, 2019 11:25 pm

on the multimeter I put it on voltages continuous V 20
pin 2 # and pin 6 # = 0.02 pin 6 # and pin 1 # = 3.28

pin 6 # and pin 1 #
Image

pin 2 # and pin 6 #
Image
Last edited by satzuke on Mon Dec 02, 2019 12:27 am, edited 1 time in total.

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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Sun Dec 01, 2019 11:41 pm

You are not measuring the pins #35, #39 and #40. Did you check the pin number index on the PCB?

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Mon Dec 02, 2019 12:23 am

what a big moron that I am I just come to tell tale I am completely to send I will redo my post really sorry

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Mon Dec 02, 2019 12:54 am

by doing his I have the blue led that appears but weakly as on the image and on the file boot.ini I modify it as his.

Image

Image

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Re: Tutorial for power button Odroid N2?

Unread post by tobetter » Mon Dec 02, 2019 1:03 am

satzuke wrote:
Mon Dec 02, 2019 12:54 am
by doing his I have the blue led that appears but weakly as on the image and on the file boot.ini I modify it as his.

Image

Image
Check out the red and black wire again, looks like you connected the red wire to pin #8, not pin #2 or pin #4 if the black wire is connected pin #6.

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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Mon Dec 02, 2019 1:09 am

I connect the red wire in the pin 2 the black wire and necessarily plug in the pin 4 and if I connect the red wire on the pin 4 the black and connect necessarily on the pin 6

when the red wire and plug on the pin 6 and the black wire on the pin 8 the blue led and light but weakly but if I put the red wire on the pin 4 and black on the pin 6 the led blue and off

satzuke
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ODROIDs: odroid N2
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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Mon Dec 02, 2019 1:16 am

I made the same connection as on the tutorial the son black and red on the pin 6 and pin 8 the blue and green pin 10 and pin 11 and with its blue led and light but weakly

satzuke
Posts: 28
Joined: Thu Nov 28, 2019 11:58 pm
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ODROIDs: odroid N2
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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Mon Dec 02, 2019 1:42 am

here is the button that I took on aliexpress it is not the same button as on the wiki and for the cables I did not do the welding

https://fr.aliexpress.com/item/32909714 ... 6c37vnEg2h

red and black lines is a switch LED light

blue-green line is the switch function line

satzuke
Posts: 28
Joined: Thu Nov 28, 2019 11:58 pm
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Re: Tutorial for power button Odroid N2?

Unread post by satzuke » Mon Dec 02, 2019 2:14 am

I can do anything like the tutorial or with your advice I can not get anything the odroid does not launch anymore at all when I plug it on the sector the blue led sys flashes if I put on spi on mmc nothing at all I do not understand what happens if the odroid n2 and break his will go directly trash and I will not buy it I thought it was easy to configure I'm wrong I contact the support by mail I will wait their answer thank you for your advice and your patience I also notice the button that I buy the son is not solder same as the button we see on the wiki I do not know if it has a good importance evening

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