dune-weaver/dune_weaver_flask/modules/firmware/firmware_manager.py

import os
import subprocess
from ..serial import serial_manager

# Global state
MOTOR_TYPE_MAPPING = {
    "TMC2209": "./firmware/arduino_code_TMC2209/arduino_code_TMC2209.ino",
    "DRV8825": "./firmware/arduino_code/arduino_code.ino",
    "esp32": "./firmware/esp32/esp32.ino",
    "esp32_TMC2209": "./firmware/esp32_TMC2209/esp32_TMC2209.ino"
}

def get_ino_firmware_details(ino_file_path):
    """Extract firmware details from the given .ino file."""
    try:
        if not ino_file_path:
            raise ValueError("Invalid path: ino_file_path is None or empty.")

        firmware_details = {"version": None, "motorType": None}

        with open(ino_file_path, "r") as file:
            for line in file:
                if "firmwareVersion" in line:
                    start = line.find('"') + 1
                    end = line.rfind('"')
                    if start != -1 and end != -1 and start < end:
                        firmware_details["version"] = line[start:end]

                if "motorType" in line:
                    start = line.find('"') + 1
                    end = line.rfind('"')
                    if start != -1 and end != -1 and start < end:
                        firmware_details["motorType"] = line[start:end]

        if not firmware_details["version"]:
            print(f"Firmware version not found in file: {ino_file_path}")
        if not firmware_details["motorType"]:
            print(f"Motor type not found in file: {ino_file_path}")

        return firmware_details if any(firmware_details.values()) else None

    except FileNotFoundError:
        print(f"File not found: {ino_file_path}")
        return None
    except Exception as e:
        print(f"Error reading .ino file: {str(e)}")
        return None

def check_git_updates():
    """Check for available Git updates."""
    try:
        subprocess.run(["git", "fetch", "--tags", "--force"], check=True)
        latest_remote_tag = subprocess.check_output(
            ["git", "describe", "--tags", "--abbrev=0", "origin/main"]
        ).strip().decode()
        latest_local_tag = subprocess.check_output(
            ["git", "describe", "--tags", "--abbrev=0"]
        ).strip().decode()

        tag_behind_count = 0
        if latest_local_tag != latest_remote_tag:
            tags = subprocess.check_output(
                ["git", "tag", "--merged", "origin/main"], text=True
            ).splitlines()

            found_local = False
            for tag in tags:
                if tag == latest_local_tag:
                    found_local = True
                elif found_local:
                    tag_behind_count += 1
                    if tag == latest_remote_tag:
                        break

        updates_available = latest_remote_tag != latest_local_tag

        return {
            "updates_available": updates_available,
            "tag_behind_count": tag_behind_count,
            "latest_remote_tag": latest_remote_tag,
            "latest_local_tag": latest_local_tag,
        }
    except subprocess.CalledProcessError as e:
        print(f"Error checking Git updates: {e}")
        return {
            "updates_available": False,
            "tag_behind_count": 0,
            "latest_remote_tag": None,
            "latest_local_tag": None,
        }

def update_software():
    """Update the software to the latest version."""
    error_log = []

    def run_command(command, error_message):
        try:
            subprocess.run(command, check=True)
        except subprocess.CalledProcessError as e:
            print(f"{error_message}: {e}")
            error_log.append(error_message)

    try:
        subprocess.run(["git", "fetch", "--tags"], check=True)
        latest_remote_tag = subprocess.check_output(
            ["git", "describe", "--tags", "--abbrev=0", "origin/main"]
        ).strip().decode()
    except subprocess.CalledProcessError as e:
        error_log.append(f"Failed to fetch tags or get latest remote tag: {e}")
        return False, "Failed to fetch tags or determine the latest version.", error_log

    run_command(["git", "checkout", latest_remote_tag, '--force'], f"Failed to checkout version {latest_remote_tag}")
    run_command(["docker", "compose", "pull"], "Failed to fetch Docker containers")
    run_command(["docker", "compose", "up", "-d"], "Failed to restart Docker containers")

    update_status = check_git_updates()

    if (
        update_status["updates_available"] is False
        and update_status["latest_local_tag"] == update_status["latest_remote_tag"]
    ):
        return True, None, None
    else:
        return False, "Update incomplete", error_log

def get_firmware_info(motor_type=None):
    """Get firmware information for the current or specified motor type."""
    if motor_type and motor_type not in MOTOR_TYPE_MAPPING:
        return False, "Invalid motor type"

    installed_version = serial_manager.firmware_version
    installed_type = serial_manager.arduino_driver_type

    if motor_type:
        # POST request with specified motor type
        ino_path = MOTOR_TYPE_MAPPING[motor_type]
        firmware_details = get_ino_firmware_details(ino_path)

        if not firmware_details:
            return False, "Failed to retrieve .ino firmware details"

        return True, {
            "installedVersion": 'Unknown',
            "installedType": motor_type,
            "inoVersion": firmware_details["version"],
            "inoType": firmware_details["motorType"],
            "updateAvailable": True
        }
    else:
        # GET request for current firmware info
        if installed_version != 'Unknown' and installed_type != 'Unknown':
            ino_path = MOTOR_TYPE_MAPPING.get(installed_type)
            firmware_details = get_ino_firmware_details(ino_path)

            if not firmware_details or not firmware_details.get("version") or not firmware_details.get("motorType"):
                return False, "Failed to retrieve .ino firmware details"

            update_available = (
                installed_version != firmware_details["version"] or
                installed_type != firmware_details["motorType"]
            )

            return True, {
                "installedVersion": installed_version,
                "installedType": installed_type,
                "inoVersion": firmware_details["version"],
                "inoType": firmware_details["motorType"],
                "updateAvailable": update_available
            }

        return True, {
            "installedVersion": installed_version,
            "installedType": installed_type,
            "updateAvailable": False
        }

def flash_firmware(motor_type):
    """Flash firmware for the specified motor type."""
    if not motor_type or motor_type not in MOTOR_TYPE_MAPPING:
        return False, "Invalid or missing motor type"

    if not serial_manager.is_connected():
        return False, "No device connected or connection lost"

    try:
        ino_file_path = MOTOR_TYPE_MAPPING[motor_type]
        hex_file_path = f"{ino_file_path}.hex"
        bin_file_path = f"{ino_file_path}.bin"

        if motor_type.lower() in ["esp32", "esp32_tmc2209"]:
            if not os.path.exists(bin_file_path):
                return False, f"Firmware binary not found: {bin_file_path}"

            flash_command = [
                "esptool.py",
                "--chip", "esp32",
                "--port", serial_manager.get_port(),
                "--baud", "115200",
                "write_flash", "-z", "0x1000", bin_file_path
            ]
        else:
            if not os.path.exists(hex_file_path):
                return False, f"Hex file not found: {hex_file_path}"

            flash_command = [
                "avrdude",
                "-v",
                "-c", "arduino",
                "-p", "atmega328p",
                "-P", serial_manager.get_port(),
                "-b", "115200",
                "-D",
                "-U", f"flash:w:{hex_file_path}:i"
            ]

        flash_process = subprocess.run(flash_command, capture_output=True, text=True)
        if flash_process.returncode != 0:
            return False, flash_process.stderr

        return True, "Firmware flashed successfully"
    except Exception as e:
        return False, str(e)