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

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