raspi-blinka.py

@@ -0,0 +1,155 @@
+"""
+Adafruit Raspberry Pi Blinka Setup Script
+(C) Adafruit Industries, Creative Commons 3.0 - Attribution Share Alike
+
+Written by Melissa LeBlanc-Williams for Adafruit Industries
+"""
+
+import os
+import sys
+
+try:
+    from adafruit_shell import Shell
+except ImportError:
+    raise RuntimeError("The library 'adafruit_shell' was not found. To install, try typing: sudo pip3 install adafruit-python-shell")
+
+shell = Shell()
+shell.group="Blinka"
+default_python = 3
+blinka_minimum_python_version = 3.7
+
+def default_python_version(numeric=True):
+    version = shell.run_command("python -c 'import platform; print(platform.python_version())'", suppress_message=True, return_output=True)
+    if numeric:
+        try:
+            return float(version[0:version.rfind(".")])
+        except ValueError:
+            return None
+    return version
+
+def get_python3_version(numeric=True):
+    version = shell.run_command("python3 -c 'import platform; print(platform.python_version())'", suppress_message=True, return_output=True)
+    if numeric:
+        return float(version[0:version.rfind(".")])
+    return version
+
+def check_blinka_python_version():
+    """
+    Check the Python 3 version for Blinka (which may be a later version than we're running this script with)
+    """
+    print("Making sure the required version of Python is installed")
+    current = get_python3_version(False)
+    current_major, current_minor = current.split(".")[0:2]
+    required_major, required_minor = str(blinka_minimum_python_version).split(".")[0:2]
+
+    if int(current_major) >= int(required_major) and int(current_minor) >= int(required_minor):
+        return
+
+    shell.bail("Blinka requires a minimum of Python version {} to install, current one is {}. Please update your OS!".format(blinka_minimum_python_version, current))
+
+def sys_update():
+    print("Updating System Packages")
+    if not shell.run_command("sudo apt-get update --allow-releaseinfo-change"):
+        shell.bail("Apt failed to update indexes!")
+    print("Upgrading packages...")
+    if not shell.run_command("sudo apt-get -y upgrade"):
+        shell.bail("Apt failed to install software!")
+
+def set_raspiconfig():
+    """
+    Enable various Raspberry Pi interfaces
+    """
+    print("Enabling I2C")
+    shell.run_command("sudo raspi-config nonint do_i2c 0")
+    print("Enabling SPI")
+    shell.run_command("sudo raspi-config nonint do_spi 0")
+    print("Enabling Serial")
+    if not shell.run_command("sudo raspi-config nonint do_serial_hw 0", suppress_message=True):
+        shell.run_command("sudo raspi-config nonint do_serial 0")
+    print("Enabling SSH")
+    shell.run_command("sudo raspi-config nonint do_ssh 0")
+    print("Enabling Camera")
+    shell.run_command("sudo raspi-config nonint do_camera 0")
+    print("Disable raspi-config at Boot")
+    shell.run_command("sudo raspi-config nonint disable_raspi_config_at_boot 0")
+
+def update_python():
+    print("Making sure Python 3 is the default")
+    if default_python < 3:
+        shell.run_command("sudo apt-get install -y python3 git python3-pip")
+        shell.run_command("sudo update-alternatives --install /usr/bin/python python $(which python2) 1")
+        shell.run_command("sudo update-alternatives --install /usr/bin/python python $(which python3) 2")
+        shell.run_command("sudo update-alternatives --skip-auto --config python")
+
+def update_pip():
+    print("Making sure PIP and setuptools is installed")
+    shell.run_command("sudo apt-get install --upgrade -y python3-pip python3-setuptools")
+
+def install_blinka(user=False):
+    print("Installing latest version of Blinka locally")
+    shell.run_command("sudo apt-get install -y i2c-tools libgpiod-dev python3-libgpiod")
+    pip_command = "pip3 install --upgrade"
+    username = None
+    if user:
+        username = os.environ["SUDO_USER"]
+    shell.run_command(f"{pip_command} RPi.GPIO", run_as_user=username)
+    shell.run_command(f"{pip_command} adafruit-blinka", run_as_user=username)
+
+# Custom function to run additional commands for Pi 5
+def check_and_install_for_pi5(pi_model):
+    if pi_model.startswith("RASPBERRY_PI_5"):
+        print("Detected Raspberry Pi 5, applying additional fixes...")
+        os.system("sudo apt remove python3-rpi.gpio")
+        os.system("pip3 install rpi-lgpio")
+    else:
+        print(f"Detected {pi_model}, no additional fixes needed.")
+
+def main():
+    global default_python
+    shell.clear()
+    # Check Raspberry Pi and Bail
+    pi_model = shell.get_board_model()
+    print("""This script configures your
+Raspberry Pi and installs Blinka
+""")
+    print("{} detected.\n".format(pi_model))
+    if not shell.is_raspberry_pi():
+        shell.bail("Non-Raspberry Pi board detected. This must be run on a Raspberry Pi")
+    os_identifier = shell.get_os()
+    if os_identifier != "Raspbian":
+        shell.bail("Sorry, the OS detected was {}. This script currently only runs on Raspberry Pi OS.".format(os_identifier))
+    if not shell.is_python3():
+        shell.bail("You must be running Python 3. Older versions have now been deprecated.")
+    shell.check_kernel_update_reboot_required()
+    python_version = default_python_version()
+    if not python_version:
+        shell.warn("WARNING No Default System python tied to the `python` command. It will be set to Version 3.")
+        default_python = 0
+        if not shell.prompt("Continue?"):
+            shell.exit()
+    elif int(default_python_version()) < 3:
+        shell.warn("WARNING Default System python version is {}. It will be updated to Version 3.".format(default_python_version(False)))
+        default_python = 2
+        if not shell.prompt("Continue?"):
+            shell.exit()
+    sys_update()
+    check_blinka_python_version()
+    set_raspiconfig()
+    update_python()
+    update_pip()
+    install_blinka(True)
+
+    # Check and install for Pi 5 if detected
+    check_and_install_for_pi5(pi_model)
+
+    # Done
+    print("""DONE.
+
+Settings take effect on next boot.
+""")
+    shell.prompt_reboot()
+
+# Main function
+if __name__ == "__main__":
+    shell.require_root()
+    main()

setup.sh

@@ -64,7 +64,7 @@ PROJECT_DIR="/home/$USER/Desktop/temp-sensor"
 if [ ! -d "$PROJECT_DIR" ]; then
   echo -e "$line\nCreating 'temp-sensor' in Desktop directory for current user.\n$line\n"
   mkdir -p "$PROJECT_DIR"
-  cp "./temp-calc.py" "./blinka-test.py" "$PROJECT_DIR/"
+  cp "./raspi-blinka.py" "./temp-calc.py" "$PROJECT_DIR/"
   echo -e "$line\nCreated '$PROJECT_DIR' directory.\n$line\n"
 else
   echo -e "$line\n$PROJECT_DIR already exists. Please delete the folder before running this script.\n$line\n\nExiting..."
@@ -73,37 +73,17 @@ fi
 
 # Create and activate Python virtual environment
 cd "$PROJECT_DIR/"
-chmod 444 ./temp-calc.py ./blinka-test.py
+chmod ugo+x ./raspi-blinka.py ./temp-calc.py
 python3 -m venv . --system-site-packages
 echo -e "$line\nVirtual environment created.\n$line\n"
 echo -e "$line\nActivating virtual environment...\n$line\n"
 source $PROJECT_DIR/bin/activate
 
 echo -e "$line\nInstalling dependencies...\n$line\n"
-pip3 install --upgrade setuptools click adafruit-python-shell adafruit-circuitpython-dht RPi.GPIO adafruit-blinka libgpiod
+pip3 install --upgrade setuptools click adafruit-python-shell adafruit-circuitpython-dht
-
-echo -e "$line\nSetting up raspiberry pi...\n$line\n"
-sudo raspi-config nonint do_i2c 0
-sudo raspi-config nonint do_spi 0
-sudo raspi-config nonint do_serial_hw 0
-sudo raspi-config nonint do_ssh 0
-sudo raspi-config nonint do_camera 0
-sudo raspi-config nonint disable_raspi_config_at_boot 0
-
-if [! dpkg -l | grep -q i2c-tools]; then
-  sudo apt install -y i2c-tools
-fi
-if [! dpkg -l | grep -q libgpiod-dev]; then
-  sudo apt install -y i2c-tools
-fi
-if [! dpkg -l | grep -q python3-libgpiod]; then
-  sudo apt install -y i2c-tools
-fi
-
-python3 ./blinka-test.py
-echo -e "$line\nSetup complete\n$line\n"
-# sudo python3 raspi-blinka.py
 
+echo -e "$line\nSetting up raspi-blinka...\n$line\n"
+sudo python3 raspi-blinka.py
 
 echo -e "\n\n\n$line$line$line\nSetup completed.\nExecute the command 'python3 temp-calc.py' to calculate\nthe temperature.\n# DESIGNED AND ENGINEERED BY KSHITIJ.\n# END OF SCRIPT\n$line$line$line\n\n\n"