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.. _install:
============
Acquisition
============
If you are using the `Raspbian`_ distro, it is best to install picamera using
the system's package manager: apt. This will ensure that picamera is easy to
keep up to date, and easy to remove should you wish to do so. It will also make
picamera available for all users on the system. To install picamera using apt
simply::
Import the librairies needed to execute the script
=======================================================
If you are using the `Raspbian`_ distro, it is best to install picamera using
the system's package manager: apt. This will ensure that picamera is easy to
keep up to date, and easy to remove should you wish to do so. It will also make
picamera available for all users on the system. To install picamera using apt
simply::
from gpiozero import LED
import smbus2 as smbus
from time import sleep
from picamera import PiCamera
from datetime import datetime, timedelta
import os
Define the used pinout
=========================
If you are using the `Raspbian`_ distro, it is best to install picamera using
the system's package manager: apt. This will ensure that picamera is easy to
keep up to date, and easy to remove should you wish to do so. It will also make
picamera available for all users on the system. To install picamera using apt
simply::
GREEN = LED(16)
RED = LED(12)
BLUE = LED(26)
RELAY = LED(14)
Configuration file
=====================
If you are using the `Raspbian`_ distro, it is best to install picamera using
the system's package manager: apt. This will ensure that picamera is easy to
keep up to date, and easy to remove should you wish to do so. It will also make
picamera available for all users on the system. To install picamera using apt
simply::
camera = PiCamera()
camera.resolution = (2592, 1944)
camera.iso = 60
camera.exposure_mode = 'off'
camera.shutter_speed = 100
camera.awb_mode = 'off'
camera.awb_gains = (2,1)
nb_frame=300
duration_loading=120 #(sec)
duration_flushing=20 #(sec)
duration_aeration=30 #(sec)
Define simple sequence for I2C modules (Valves and pump)
===========================================================
If you are using the `Raspbian`_ distro, it is best to install picamera using
the system's package manager: apt. This will ensure that picamera is easy to
keep up to date, and easy to remove should you wish to do so. It will also make
picamera available for all users on the system. To install picamera using apt
simply::
def pump(state, verbose=True):
sleep(0.2)
if state is 'forward':
# Stop pumping
bus.write_byte(0x30, 1)
sleep(1)
feedback=bus.read_byte(0x30)
if feedback == 1:
if verbose is True:
print("Pumping : Forward")
if state is 'backward':
# Stop pumping
bus.write_byte(0x30, 2)
sleep(1)
feedback=bus.read_byte(0x30)
if feedback == 2:
if verbose is True:
print("Pumping : Backward")
if state is 'stop':
# Stop pumping
bus.write_byte(0x30, 0)
sleep(1)
feedback=bus.read_byte(0x30)
if feedback == 0:
if verbose is True:
print("Pumping : Stop")
if state is 'slow':
# Start pumping
bus.write_byte(0x30, 3)
sleep(1)
feedback=bus.read_byte(0x30)
if feedback == 3:
if verbose is True:
print("Pumping : Slow")
if state is 'medium':
# Start pumping
bus.write_byte(0x30, 5)
sleep(1)
feedback=bus.read_byte(0x30)
if feedback == 5:
if verbose is True:
print("Pumping : Medium")
if state is 'fast':
# Start pumping
bus.write_byte(0x30, 9)
sleep(1)
feedback=bus.read_byte(0x30)
if feedback == 9:
if verbose is True:
print("Pumping : Fast")