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Updating the readme to add Python3 installation process

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This commit is contained in:
Robert Wolterman
2016-09-18 19:15:44 -05:00
committed by GitHub
parent fcd5afcdc8
commit a9902d1267
1 changed files with 25 additions and 10 deletions
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35
README.rst
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@ -6,6 +6,8 @@ NOTE: Now requires the custom DTC to install the library
Manual::
For Python2.7:
sudo apt-get update
sudo apt-get install git build-essential python-dev python-pip flex bison -y
git clone https://github.com/atenart/dtc
@ -19,6 +21,21 @@ Manual::
cd ..
sudo rm -rf CHIP_IO
For Python3:
sudo apt-get update
sudo apt-get install git build-essential python3-dev python3-pip flex bison -y
git clone https://github.com/atenart/dtc
cd dtc
make
sudo make install PREFIX=/usr
cd ..
git clone git://github.com/xtacocorex/CHIP_IO.git
cd CHIP_IO
sudo python3 setup.py install
cd ..
sudo rm -rf CHIP_IO
**Usage**
Using the library is very similar to the excellent RPi.GPIO library used on the Raspberry Pi. Below are some examples.
@ -170,9 +187,9 @@ Inputs work similarly to outputs.::
Polling inputs::
if GPIO.input("CSID0"):
print("HIGH")
print("HIGH")
else:
print("LOW")
print("LOW")
Waiting for an edge (GPIO.RISING, GPIO.FALLING, or GPIO.BOTH::
@ -187,7 +204,7 @@ Detecting events::
#your amazing code here
#detect wherever:
if GPIO.event_detected("XIO-P0"):
print "event detected!"
print "event detected!"
**GPIO Cleanup**
@ -205,11 +222,10 @@ Hardware PWM requires a DTB Overlay loaded on the CHIP to allow the kernel to kn
PWM.start("PWM0", 50)
PWM.set_duty_cycle("PWM0", 25.5)
PWM.set_frequency("PWM0", 10)
# To stop PWM
PWM.stop("PWM0")
PWM.cleanup()
#set polarity to 1 on start:
#For specific polarity: this example sets polarity to 1 on start:
PWM.start("PWM0", 50, 2000, 1)
**SOFTPWM**::
@ -221,11 +237,10 @@ Hardware PWM requires a DTB Overlay loaded on the CHIP to allow the kernel to kn
SPWM.start("XIO-P7", 50)
SPWM.set_duty_cycle("XIO-P7", 25.5)
SPWM.set_frequency("XIO-P7", 10)
# To Stop SPWM
SPWM.stop("XIO-P7")
SPWM.cleanup()
#set polarity to 1 on start:
#For specific polarity: this example sets polarity to 1 on start:
SPWM.start("XIO-P7", 50, 2000, 1)
Use SOFTPWM at low speeds (hundreds of Hz) for the best results. Do not use for anything that needs high precision or reliability.
@ -270,7 +285,7 @@ There is no verification that the Custom Overlay is setup properly, it's fire an
# To unload, just call unload()
OM.unload("CUST")
Note that this requires the 4.4 kernel with the CONFIG_OF_CONFIGFS option enabled in the kernel config.
**OverlayManager requires a 4.4 kernel with the CONFIG_OF_CONFIGFS option enabled in the kernel config.**
**Running tests**