Updated method to run shell script

GUIDES.md

@@ -4,6 +4,7 @@ This file contains guides that were used for making the script and other referen
 
 ---
 
+- [Main doc](https://learn.adafruit.com/dht-humidity-sensing-on-raspberry-pi-with-gdocs-logging/python-setup)
 - [Setting up Pi for CircuitPython Libraries](https://learn.adafruit.com/circuitpython-on-raspberrypi-linux/installing-circuitpython-on-raspberry-pi)
 - [AdaFruit CircuitPython Bundles](https://github.com/adafruit/Adafruit_CircuitPython_Bundle)
 - [AdaFruit CircutPython](https://github.com/adafruit/circuitpython)

LICENSE.txt

@@ -0,0 +1,22 @@
+MIT License
+
+Copyright (c) [2024] [Kshitij]
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

README.md

@@ -4,14 +4,18 @@ This project is a uses the AdaFruit libraries for sensing temperature using DHT1
 
 ---
 
+> [!IMPORTANT]
+> Check the [requirements](https://git.kska.io/notkshitij/DHT11/src/branch/main/REQUIREMENTS.md) first.
+
 ## Main method
 
-> [!NOTE] This is the main method, using AdaFruit library. For an easier method, checkout [## Alternative method](https://git.kska.io/notkshitij/DHT11#alternative-method)
+> [!NOTE]
+> This is the main method, using AdaFruit library. For an easier method, checkout [## Alternative method](https://git.kska.io/notkshitij/DHT11#alternative-method)
 
 1. Install some prerequisite packages:
 ```shell
 sudo apt update &&\
-sudo apt install git
+sudo apt install git -y
 
 ```
 
@@ -29,7 +33,7 @@ cd ./DHT11
 
 4. Run the `setup.sh` script:
 ```shell
-./setup.sh
+source setup.sh
 ```
 
 > [!IMPORTANT]
@@ -67,3 +71,9 @@ pip install dht11 setuptools RPi.GPIO
 > After running the code, and completing the execution, run `deactivate` in the terminal to exit the virtual environment.
 
 ---
+
+### License
+
+This project is licensed under the terms of the MIT license. Read the license [here](https://git.kska.io/notkshitij/DHT11/src/branch/main/LICENSE).
+
+---

REQUIREMENTS.md

@@ -0,0 +1,8 @@
+# Requirements
+
+This file specifies the requirements for this project.
+
+---
+
+- Raspberry Pi OS Bullseye or higher
+- Python 3.7 or higher

blinka-test.py

@@ -0,0 +1,19 @@
+import board
+import digitalio
+import busio
+
+print("Hello, blinka!")
+
+# Try to create a Digital input
+pin = digitalio.DigitalInOut(board.D4)
+print("Digital IO ok!")
+
+# Try to create an I2C device
+i2c = busio.I2C(board.SCL, board.SDA)
+print("I2C ok!")
+
+# Try to create an SPI device
+spi = busio.SPI(board.SCLK, board.MOSI, board.MISO)
+print("SPI ok!")
+
+print("done!")

raspi-blinka.py

@@ -1,155 +0,0 @@
-"""
-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

@@ -64,6 +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/"
   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..."
@@ -71,18 +72,26 @@ else
 fi
 
 # Create and activate Python virtual environment
-cd "$PROJECT_DIR"
+cd "$PROJECT_DIR/"
+chmod 775 ./temp-calc.py ./blinka-test.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 bin/activate
+source $PROJECT_DIR/bin/activate
 
 echo -e "$line\nInstalling dependencies...\n$line\n"
-pip3 install --upgrade setuptools click adafruit-python-shell adafruit-circuitpython-dht
+pip3 install --upgrade setuptools click adafruit-python-shell adafruit-circuitpython-dht RPi.GPIO adafruit-blinka board
 
-echo -e "$line\nSetting up raspi-blinka...\n$line\n"
+echo -e "$line\nSetting up raspiberry pi...\n$line\n"
-python3 raspi-blinka.py
+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
+sudo apt install -y i2c-tools libgpiod-dev python3-libgpiod
 
-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"
+python3 blinka-test.py
+echo -e "$line\nBlinka works!\n$line\n"
 
-exit 1
+echo -e "\n\n\n$line$line$line\nSetup completed.\nExecute the command 'python3 temp-calc.py' to calculate the temperature.\n# DESIGNED AND ENGINEERED BY KSHITIJ.\n# END OF SCRIPT\n$line$line$line\n\n\n"

temp-calc.py

@@ -0,0 +1,35 @@
+import time
+import board
+import adafruit_dht
+
+# Initial the dht device, with data pin connected to:
+dhtDevice = adafruit_dht.DHT11(board.D16) # by default I'm using GPIO PIN 16 for data/signal transmission of DHT11
+
+# you can pass DHT22 use_pulseio=False if you wouldn't like to use pulseio.
+# This may be necessary on a Linux single board computer like the Raspberry Pi,
+# but it will not work in CircuitPython.
+# dhtDevice = adafruit_dht.DHT22(board.D18, use_pulseio=False)
+
+while True:
+    try:
+        # Print the values to the serial port
+        temperature_c = dhtDevice.temperature # Celsius
+        temperature_f = temperature_c * (9 / 5) + 32 # Fahrenheit
+        humidity = dhtDevice.humidity
+        print(
+            "Temp: {:.1f} F / {:.1f} C    Humidity: {}% ".format(
+                temperature_f, temperature_c, humidity
+            )
+        )
+
+    except RuntimeError as error:
+        # Errors happen fairly often, DHT's are hard to read, just keep going
+        print(error.args[0])
+        time.sleep(2.0)
+        continue
+    except Exception as error:
+        dhtDevice.exit()
+        raise error
+
+    time.sleep(2.0)
+