Python GPIO Library for the Rock64 (R64.GPIO)
#5
Hi @Leapo

I have this error..running
Code:
R64-GPIO-test.py



Code:
root@rock64:/home/Rock64-R64.GPIO# sudo python R64-GPIO-test.py
Testing R64.GPIO Module...

Module Variables:
Name           Value
----           -----
GPIO.ROCK      ROCK
GPIO.BOARD     BOARD
GPIO.BCM       BCM
GPIO.OUT       out
GPIO.IN        in
GPIO.HIGH      1
GPIO.LOW       0
GPIO.PUD_UP    0
GPIO.PUD_DOWN  1
GPIO.VERSION   0.6.3
GPIO.RPI_INFO  {'P1_REVISION': 3, 'RAM': '1024M', 'REVISION': 'a22082', 'TYPE': 'Pi 3 Model B', 'PROCESSOR': 'BCM2837', 'MANUFACTURER': 'Embest'}
Error: Unable to export GPIO
Error: Unable to set GPIO direction
Error: Unable to export GPIO
Error: Unable to set GPIO direction

Testing GPIO Input/Output:
You must setup() the GPIO channel first
Output State : None
You must setup() the GPIO channel as an output first
You must setup() the GPIO channel first
Input State  : None
You must setup() the GPIO channel as an output first

Testing PWM Output - DutyCycle - High Precision:
60Hz at 50% duty cycle for 1 second
Traceback (most recent call last):
  File "R64-GPIO-test.py", line 58, in <module>
    p.start(50)
  File "/home/Rock64-R64.GPIO/R64/_GPIO.py", line 333, in start
    self.pwm_calc()
  File "/home/Rock64-R64.GPIO/R64/_GPIO.py", line 350, in pwm_calc
    self.sleep_low = (1.0 / self.freq) * ((100 - self.dutycycle) / 100.0)
AttributeError: PWM instance has no attribute 'freq'
root@rock64:/home/Rock64-R64.GPIO# uname -a
Linux rock64 4.4.114-rockchip-ayufan-193 #1 SMP Sun Mar 4 20:24:21 UTC 2018 aarch64 GNU/Linux

@Leapo

I update to 4.4.120, it fixed the issue with IO  error


Code:
Linux rock64 4.4.120-rockchip-ayufan-209 #1 SMP Mon Apr 2 16:05:07 UTC 2018 aarch64 GNU/Linux
  Reply


Messages In This Thread
RE: Python GPIO Library for the Rock64 (R64.GPIO) - by i69fstop - 04-08-2018, 04:11 AM

Possibly Related Threads…
Thread Author Replies Views Last Post
  Disable MicroSD reader for extra GPIO mxruben 0 350 07-27-2024, 10:08 PM
Last Post: mxruben
  Rock64 No Audio @ Debian 12 dmitrymyadzelets 2 1,194 04-08-2024, 06:47 AM
Last Post: dmitrymyadzelets
  OpenWRT on the Rock64 CanadianBacon 14 11,156 04-03-2024, 08:48 AM
Last Post: helpmerock
  Rock64 bricked shawwwn 7 7,177 03-17-2024, 12:22 PM
Last Post: dmitrymyadzelets
  Rock64 won't boot luminosity7 10 6,251 03-16-2024, 08:33 AM
Last Post: dmitrymyadzelets
  Rock64 doesn't boot dstallmo 1 795 03-16-2024, 08:29 AM
Last Post: dmitrymyadzelets
  How well does Rock64 deal with HDR and Atmos on Kodi? drvlikhell 3 2,841 04-29-2023, 04:24 AM
Last Post: newestssd
  Rock64 board not working, no HDMI no Ethernet. EDited 3 4,342 01-17-2023, 02:31 PM
Last Post: Flagtrax
  ROCK64 v3 can it boot from USB? Tsagualsa 4 3,072 11-29-2022, 11:31 AM
Last Post: Macgyver
  rock64 v3 spiflash Macgyver 0 1,092 11-28-2022, 02:18 PM
Last Post: Macgyver

Forum Jump:


Users browsing this thread: 1 Guest(s)