bRitch022

debian@beaglebone:/tmp/tmux-1000$ cat /tmp/strace.log
15577 execve("/usr/bin/python", ["python", "/var/lib/cloud9/test-spi.py"], [/* 15 vars */]) = 0
15577 brk(NULL)                         = 0x239e000
15577 uname({sysname="Linux", nodename="beaglebone", ...}) = 0
15577 access("/etc/ld.so.nohwcap", F_OK) = -1 ENOENT (No such file or directory)
15577 mmap2(NULL, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb6f07000
15577 access("/etc/ld.so.preload", R_OK) = -1 ENOENT (No such file or directory)
15577 open("/etc/ld.so.cache", O_RDONLY|O_CLOEXEC) = 3
15577 fstat64(3, {st_mode=S_IFREG|0644, st_size=27732, ...}) = 0
15577 mmap2(NULL, 27732, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb6f00000

bRitch022

debian@beaglebone:/var/lib/cloud9/Adafruit_Python_PCA9685/examples$ strace -f -o strace.log python simpletest.py
Traceback (most recent call last):
  File "simpletest.py", line 21, in <module>
    pwm = Adafruit_PCA9685.PCA9685()
  File "/usr/local/lib/python2.7/dist-packages/Adafruit_PCA9685-1.0.1-py2.7.egg/Adafruit_PCA9685/PCA9685.py", line 75, in __init__
    self.set_all_pwm(0, 0)
  File "/usr/local/lib/python2.7/dist-packages/Adafruit_PCA9685-1.0.1-py2.7.egg/Adafruit_PCA9685/PCA9685.py", line 111, in set_all_pwm
    self._device.write8(ALL_LED_ON_L, on & 0xFF)
  File "build/bdist.linux-armv7l/egg/Adafruit_GPIO/I2C.py", line 116, in write8
  File "build/bdist.linux-armv7l/egg/Adafruit_PureIO/smbus.py", line 256, in write_byte_data