test
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test [2021/03/31 18:26] – [Encoders] ursgraf | test [2021/03/31 18:27] – [LEDs and buttons] ursgraf | ||
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Next we want to check if all leds and buttons work as desired. Change to root mode | Next we want to check if all leds and buttons work as desired. Change to root mode | ||
< | < | ||
- | debian@beaglebone:$ su | + | ost@bblue:$ su |
</ | </ | ||
The password is " | The password is " | ||
< | < | ||
- | root@beaglebone:$ cd / | + | root@bblue:$ cd / |
</ | </ | ||
and add the pins involved to the gpio array with | and add the pins involved to the gpio array with | ||
< | < | ||
- | root@beaglebone:$ echo 49 > export | + | root@bblue:$ echo 49 > export |
- | root@beaglebone:$ echo 57 > export | + | root@bblue:$ echo 57 > export |
- | root@beaglebone:$ echo 97 > export | + | root@bblue:$ echo 97 > export |
- | root@beaglebone:$ echo 98 > export | + | root@bblue:$ echo 98 > export |
- | root@beaglebone:$ echo 113 > export | + | root@bblue:$ echo 113 > export |
- | root@beaglebone:$ echo 116 > export | + | root@bblue:$ echo 116 > export |
</ | </ | ||
The blue led should light up with | The blue led should light up with | ||
< | < | ||
- | root@beaglebone:$ echo out > gpio98/ | + | root@bblue:$ echo out > gpio98/ |
- | root@beaglebone:$ echo 1 > gpio98/ | + | root@bblue:$ echo 1 > gpio98/ |
</ | </ | ||
and stop lighting with | and stop lighting with | ||
< | < | ||
- | root@beaglebone:$ echo 0 > gpio98/ | + | root@bblue:$ echo 0 > gpio98/ |
</ | </ | ||
Do the same with the red led | Do the same with the red led | ||
< | < | ||
- | root@beaglebone:$ echo out > gpio49/ | + | root@bblue:$ echo out > gpio49/ |
- | root@beaglebone:$ echo 1 > gpio49/ | + | root@bblue:$ echo 1 > gpio49/ |
- | root@beaglebone:$ echo 0 > gpio49/ | + | root@bblue:$ echo 0 > gpio49/ |
</ | </ | ||
And the green led | And the green led | ||
< | < | ||
- | root@beaglebone:$ echo out > gpio116/ | + | root@bblue:$ echo out > gpio116/ |
- | root@beaglebone:$ echo 1 > gpio116/ | + | root@bblue:$ echo 1 > gpio116/ |
- | root@beaglebone:$ echo 0 > gpio116/ | + | root@bblue:$ echo 0 > gpio116/ |
</ | </ | ||
Read the state of the blue button with | Read the state of the blue button with | ||
< | < | ||
- | root@beaglebone:$ echo in > gpio97/ | + | root@bblue:$ echo in > gpio97/ |
- | root@beaglebone:$ cat gpio97/ | + | root@bblue:$ cat gpio97/ |
</ | </ | ||
Repeat the last command with the button pressed. Do the same with the red button | Repeat the last command with the button pressed. Do the same with the red button | ||
< | < | ||
- | root@beaglebone:$ echo in > gpio57/ | + | root@bblue:$ echo in > gpio57/ |
- | root@beaglebone:$ cat gpio57/ | + | root@bblue:$ cat gpio57/ |
</ | </ | ||
And the green button | And the green button | ||
< | < | ||
- | root@beaglebone:$ echo in > gpio113/ | + | root@bblue:$ echo in > gpio113/ |
- | root@beaglebone:$ cat gpio113/ | + | root@bblue:$ cat gpio113/ |
</ | </ | ||
Exit root mode with | Exit root mode with | ||
< | < | ||
- | root@beaglebone:$ exit | + | root@bblue:$ exit |
</ | </ | ||
test.txt · Last modified: 2021/10/06 11:15 by ursgraf