482 lines
17 KiB
Python
482 lines
17 KiB
Python
#!/usr/bin/env python3
|
|
"""
|
|
Glory MACH6 Device Simulator
|
|
Simulates a Glory MACH6 coin/currency counter for development/testing purposes.
|
|
Implements the Enhanced Serial Port Mode with full command support.
|
|
"""
|
|
|
|
import argparse
|
|
import logging
|
|
import random
|
|
import time
|
|
from typing import Optional
|
|
from datetime import datetime
|
|
|
|
import serial
|
|
|
|
# Protocol constants
|
|
STX = 0x02
|
|
ETX = 0x03
|
|
ACK = 0x06
|
|
NAK = 0x15
|
|
|
|
# Machine states
|
|
STATE_IDLE = "OK "
|
|
STATE_ERROR = "E"
|
|
STATE_BAG_STOP = "BAG"
|
|
STATE_RUNNING = "RUN"
|
|
STATE_MESSAGE_PENDING = "PRN"
|
|
|
|
|
|
class GlorySimulator:
|
|
def __init__(self, port: str, baudrate: int = 9600):
|
|
self.port = port
|
|
self.baudrate = baudrate
|
|
self.serial_conn: Optional[serial.Serial] = None
|
|
|
|
# Device state
|
|
self.motor_running = False
|
|
self.display_locked = False
|
|
self.keyboard_locked = False
|
|
self.motor_has_run = False
|
|
|
|
# Count mode: "$0" for dollars, "U0" for units
|
|
self.count_mode = "$0"
|
|
|
|
# Coin/currency counters
|
|
self.partial_counts = {} # denomination -> count
|
|
self.batch_counts = {}
|
|
self.sub_counts = {}
|
|
self.grand_counts = {}
|
|
|
|
# ID numbers
|
|
self.batch_id = ""
|
|
self.sub_id = ""
|
|
self.grand_id = ""
|
|
|
|
# Bag stops
|
|
self.bag_stops = {} # denomination -> stop value
|
|
self.bag_stop_counts = {} # denomination -> number of stops
|
|
|
|
# Station/denomination values (coin types)
|
|
self.station_values = {
|
|
1: 0.11,
|
|
2: 0.10,
|
|
3: 0.01,
|
|
4: 0.05,
|
|
5: 0.25,
|
|
6: 1.00,
|
|
7: 0.50,
|
|
8: 0.08,
|
|
9: 0.00,
|
|
}
|
|
|
|
# Error state
|
|
self.error_code = None
|
|
|
|
# Message buffer
|
|
self.pending_message = None
|
|
|
|
logging.basicConfig(
|
|
level=logging.INFO, format="%(asctime)s - %(levelname)s - %(message)s"
|
|
)
|
|
self.logger = logging.getLogger(__name__)
|
|
|
|
def get_status(self) -> str:
|
|
"""Get current machine status"""
|
|
if self.pending_message:
|
|
return STATE_MESSAGE_PENDING
|
|
|
|
if self.error_code:
|
|
return f"{STATE_ERROR}{self.error_code:02d}"
|
|
|
|
if self.motor_running:
|
|
return STATE_RUNNING
|
|
|
|
# Check for bag stops
|
|
for denom, stop_value in self.bag_stops.items():
|
|
if denom in self.batch_counts:
|
|
if self.batch_counts[denom] >= stop_value:
|
|
return f"{STATE_BAG_STOP}{denom:03d}"
|
|
|
|
# Keys locked/unlocked status
|
|
if self.keyboard_locked:
|
|
motor_flag = "1" if self.motor_has_run else "0"
|
|
return f"OU{motor_flag}"
|
|
else:
|
|
motor_flag = "1" if self.motor_has_run else "0"
|
|
return f"OK{motor_flag}"
|
|
|
|
def handle_status_command(self, data: bytes) -> bytes:
|
|
"""Handle SS - Status command"""
|
|
status = self.get_status()
|
|
response = f"ST{self.count_mode}{status}"
|
|
self.logger.info(f"Status request - Response: {response}")
|
|
return self.create_message(response)
|
|
|
|
def handle_clear_command(self, data: bytes) -> bytes:
|
|
"""Handle clear commands (CC, CB, CS, CG)"""
|
|
cmd = data.decode('ascii', errors='ignore').strip()
|
|
|
|
if cmd == "CB":
|
|
# Clear batch
|
|
self.batch_counts = {}
|
|
self.batch_id = ""
|
|
self.logger.info("Batch counts cleared")
|
|
elif cmd == "CS":
|
|
# Clear subtotal
|
|
self.sub_counts = {}
|
|
self.sub_id = ""
|
|
self.logger.info("Subtotal counts cleared")
|
|
elif cmd == "CG":
|
|
# Clear grand total
|
|
self.grand_counts = {}
|
|
self.grand_id = ""
|
|
self.logger.info("Grand total counts cleared")
|
|
elif cmd.startswith("CC"):
|
|
# Clear partial count
|
|
denom_str = cmd[2:]
|
|
if denom_str in self.partial_counts:
|
|
del self.partial_counts[denom_str]
|
|
self.logger.info(f"Partial count for {denom_str} cleared")
|
|
|
|
status = self.get_status()
|
|
response = f"ST{self.count_mode}{status}"
|
|
return self.create_message(response)
|
|
|
|
def handle_get_data_command(self, data: bytes) -> bytes:
|
|
"""Handle get data commands (GD, GT, GS, GG, GI, GV)"""
|
|
cmd = data.decode('ascii', errors='ignore').strip()
|
|
|
|
if cmd == "GT":
|
|
# Get batch total
|
|
total = sum(self.batch_counts.values())
|
|
response = f"BT{total:08d}"
|
|
self.logger.info(f"Get batch total: {total}")
|
|
return self.create_message(response)
|
|
|
|
elif cmd == "GS":
|
|
# Get subtotal
|
|
total = sum(self.sub_counts.values())
|
|
response = f"BS{total:08d}"
|
|
self.logger.info(f"Get subtotal: {total}")
|
|
return self.create_message(response)
|
|
|
|
elif cmd == "GG":
|
|
# Get grand total
|
|
total = sum(self.grand_counts.values())
|
|
response = f"BG{total:08d}"
|
|
self.logger.info(f"Get grand total: {total}")
|
|
return self.create_message(response)
|
|
|
|
elif cmd.startswith("GD"):
|
|
# Get partial count data
|
|
denom_str = cmd[2:]
|
|
count = self.partial_counts.get(denom_str, 0)
|
|
response = f"BD{count:08d}"
|
|
self.logger.info(f"Get partial count for {denom_str}: {count}")
|
|
return self.create_message(response)
|
|
|
|
elif cmd.startswith("GT") and len(cmd) > 2:
|
|
# Get batch counts of denomination
|
|
denom_str = cmd[2:]
|
|
count = self.batch_counts.get(denom_str, 0)
|
|
response = f"BT{count:08d}"
|
|
self.logger.info(f"Get batch count for {denom_str}: {count}")
|
|
return self.create_message(response)
|
|
|
|
elif cmd == "GI":
|
|
# Get product totals (ID totals)
|
|
response = ""
|
|
# Return empty if no totals
|
|
self.logger.info("Get product totals (empty)")
|
|
return self.create_message(response)
|
|
|
|
elif cmd == "GV":
|
|
# Get station value table
|
|
response = ""
|
|
for station, value in sorted(self.station_values.items()):
|
|
active = "i" if value == 0 else str(station)
|
|
response += f"{active} {value:.2f} \r"
|
|
self.logger.info("Get station values")
|
|
return self.create_message(response)
|
|
|
|
return self.create_message("")
|
|
|
|
def handle_bag_stop_command(self, data: bytes) -> bytes:
|
|
"""Handle SV - Set bag stop command"""
|
|
cmd = data.decode('ascii', errors='ignore').strip()
|
|
|
|
if len(cmd) >= 13 and cmd.startswith("SV"):
|
|
denom_str = cmd[2:5]
|
|
value_str = cmd[5:13]
|
|
|
|
try:
|
|
value = int(value_str)
|
|
self.bag_stops[denom_str] = value
|
|
self.logger.info(f"Bag stop set for {denom_str}: {value}")
|
|
except ValueError:
|
|
self.logger.error(f"Invalid bag stop value: {value_str}")
|
|
|
|
status = self.get_status()
|
|
response = f"ST{self.count_mode}{status}"
|
|
return self.create_message(response)
|
|
|
|
def handle_motor_command(self, data: bytes) -> bytes:
|
|
"""Handle MG/MS - Motor control commands"""
|
|
cmd = data.decode('ascii', errors='ignore').strip()
|
|
|
|
if cmd == "MG":
|
|
# Start motor
|
|
self.motor_running = True
|
|
self.motor_has_run = True
|
|
self.logger.info("Motor started")
|
|
# Simulate coin counting
|
|
self._simulate_counting()
|
|
elif cmd == "MS":
|
|
# Stop motor
|
|
self.motor_running = False
|
|
self.logger.info("Motor stopped")
|
|
|
|
status = self.get_status()
|
|
response = f"ST{self.count_mode}{status}"
|
|
return self.create_message(response)
|
|
|
|
def handle_beep_command(self, data: bytes) -> bytes:
|
|
"""Handle BB - Beep command"""
|
|
self.logger.info("Beep!")
|
|
status = self.get_status()
|
|
response = f"ST{self.count_mode}{status}"
|
|
return self.create_message(response)
|
|
|
|
def handle_accept_command(self, data: bytes) -> bytes:
|
|
"""Handle AB/AS/AG - Accept commands"""
|
|
cmd = data.decode('ascii', errors='ignore').strip()
|
|
|
|
if cmd == "AB" or cmd == "Ab":
|
|
# Accept batch
|
|
total = sum(self.batch_counts.values())
|
|
response = f"BT{total:08d}"
|
|
self.logger.info(f"Accept batch: {total}")
|
|
self.pending_message = response
|
|
return self.create_message(response)
|
|
|
|
elif cmd == "AS" or cmd == "As":
|
|
# Accept subtotal
|
|
total = sum(self.sub_counts.values())
|
|
response = f"BS{total:08d}"
|
|
self.logger.info(f"Accept subtotal: {total}")
|
|
self.pending_message = response
|
|
return self.create_message(response)
|
|
|
|
elif cmd == "AG" or cmd == "Ag":
|
|
# Accept grand total
|
|
total = sum(self.grand_counts.values())
|
|
response = f"BG{total:08d}"
|
|
self.logger.info(f"Accept grand total: {total}")
|
|
self.pending_message = response
|
|
return self.create_message(response)
|
|
|
|
return self.create_message("")
|
|
|
|
def handle_partial_count_command(self, data: bytes) -> bytes:
|
|
"""Handle PC - Set partial count command"""
|
|
cmd = data.decode('ascii', errors='ignore').strip()
|
|
|
|
if len(cmd) >= 13 and cmd.startswith("PC"):
|
|
denom_str = cmd[2:5]
|
|
value_str = cmd[5:13]
|
|
|
|
try:
|
|
value = int(value_str)
|
|
self.partial_counts[denom_str] = value
|
|
self.logger.info(f"Partial count set for {denom_str}: {value}")
|
|
except ValueError:
|
|
self.logger.error(f"Invalid partial count value: {value_str}")
|
|
|
|
status = self.get_status()
|
|
response = f"ST{self.count_mode}{status}"
|
|
return self.create_message(response)
|
|
|
|
def handle_id_command(self, data: bytes) -> bytes:
|
|
"""Handle ID/IS/IG - Set ID number commands"""
|
|
cmd = data.decode('ascii', errors='ignore').strip()
|
|
|
|
if cmd.startswith("ID"):
|
|
self.batch_id = cmd[2:14] if len(cmd) >= 14 else cmd[2:]
|
|
self.logger.info(f"Batch ID set: {self.batch_id}")
|
|
elif cmd.startswith("IS"):
|
|
self.sub_id = cmd[2:14] if len(cmd) >= 14 else cmd[2:]
|
|
self.logger.info(f"Sub ID set: {self.sub_id}")
|
|
elif cmd.startswith("IG"):
|
|
self.grand_id = cmd[2:14] if len(cmd) >= 14 else cmd[2:]
|
|
self.logger.info(f"Grand ID set: {self.grand_id}")
|
|
|
|
status = self.get_status()
|
|
response = f"ST{self.count_mode}{status}"
|
|
return self.create_message(response)
|
|
|
|
def _simulate_counting(self):
|
|
"""Simulate coin counting when motor runs"""
|
|
# Generate random counts for simulation
|
|
denominations = ["005", "010", "025", "050", "100"]
|
|
for denom in denominations:
|
|
count = random.randint(10, 100)
|
|
self.batch_counts[denom] = self.batch_counts.get(denom, 0) + count
|
|
self.partial_counts[denom] = self.partial_counts.get(denom, 0) + count
|
|
|
|
def create_message(self, data: str) -> bytes:
|
|
"""Create a message with STX and ETX"""
|
|
return bytes([STX]) + data.encode('ascii') + bytes([ETX])
|
|
|
|
def parse_message(self, message: bytes) -> Optional[bytes]:
|
|
"""Parse and validate a received message"""
|
|
if len(message) < 3:
|
|
self.logger.error("Message too short")
|
|
return None
|
|
|
|
if message[0] != STX:
|
|
self.logger.error("Invalid STX")
|
|
return None
|
|
|
|
if message[-1] != ETX:
|
|
self.logger.error("Invalid ETX")
|
|
return None
|
|
|
|
data = message[1:-1]
|
|
return data
|
|
|
|
def handle_command(self, data: bytes) -> Optional[bytes]:
|
|
"""Route command to appropriate handler"""
|
|
if len(data) < 2:
|
|
return None
|
|
|
|
try:
|
|
cmd_str = data.decode('ascii', errors='ignore').strip()
|
|
cmd = cmd_str[:2]
|
|
|
|
self.logger.info(f"Received command: {cmd_str}")
|
|
|
|
if cmd == "SS":
|
|
return self.handle_status_command(data)
|
|
elif cmd in ["CB", "CS", "CG"] or cmd_str.startswith("CC"):
|
|
return self.handle_clear_command(data)
|
|
elif cmd in ["GD", "GT", "GS", "GG", "GI", "GV"]:
|
|
return self.handle_get_data_command(data)
|
|
elif cmd == "SV":
|
|
return self.handle_bag_stop_command(data)
|
|
elif cmd in ["MG", "MS"]:
|
|
return self.handle_motor_command(data)
|
|
elif cmd == "BB":
|
|
return self.handle_beep_command(data)
|
|
elif cmd in ["AB", "AS", "AG"] or cmd_str[:2] in ["Ab", "As", "Ag"]:
|
|
return self.handle_accept_command(data)
|
|
elif cmd == "PC":
|
|
return self.handle_partial_count_command(data)
|
|
elif cmd in ["ID", "IS", "IG"]:
|
|
return self.handle_id_command(data)
|
|
else:
|
|
self.logger.warning(f"Unknown command: {cmd}")
|
|
return None
|
|
|
|
except Exception as e:
|
|
self.logger.error(f"Error handling command: {e}", exc_info=True)
|
|
return None
|
|
|
|
def run(self):
|
|
"""Main simulator loop"""
|
|
self.logger.info(
|
|
f"Starting Glory MACH6 simulator on {self.port} at {self.baudrate} baud"
|
|
)
|
|
self.logger.info("Enhanced Serial Port Mode enabled")
|
|
|
|
try:
|
|
self.serial_conn = serial.Serial(
|
|
port=self.port,
|
|
baudrate=self.baudrate,
|
|
bytesize=serial.EIGHTBITS,
|
|
parity=serial.PARITY_NONE,
|
|
stopbits=serial.STOPBITS_ONE,
|
|
timeout=1,
|
|
)
|
|
|
|
self.logger.info("Serial port opened successfully")
|
|
|
|
buffer = bytearray()
|
|
|
|
while True:
|
|
# Handle ACK/NAK for pending messages
|
|
if self.pending_message:
|
|
# Wait for ACK or NAK
|
|
if self.serial_conn.in_waiting > 0:
|
|
byte_data = self.serial_conn.read(1)
|
|
if byte_data[0] == ACK:
|
|
self.logger.info("Received ACK - clearing pending message")
|
|
# Clear batch after ACK
|
|
if "BT" in self.pending_message:
|
|
self.batch_counts = {}
|
|
self.pending_message = None
|
|
elif byte_data[0] == NAK:
|
|
self.logger.info("Received NAK - retransmitting")
|
|
response = self.create_message(self.pending_message)
|
|
self.serial_conn.write(response)
|
|
time.sleep(0.01)
|
|
continue
|
|
|
|
if self.serial_conn.in_waiting > 0:
|
|
data = self.serial_conn.read(self.serial_conn.in_waiting)
|
|
buffer.extend(data)
|
|
|
|
# Look for complete message (STX...ETX)
|
|
if STX in buffer and ETX in buffer:
|
|
stx_idx = buffer.index(STX)
|
|
try:
|
|
etx_idx = buffer.index(ETX, stx_idx)
|
|
message = bytes(buffer[stx_idx : etx_idx + 1])
|
|
buffer = buffer[etx_idx + 1 :]
|
|
|
|
self.logger.debug(f"RX: {message.hex()}")
|
|
|
|
# Parse and handle message
|
|
parsed_data = self.parse_message(message)
|
|
if parsed_data:
|
|
response = self.handle_command(parsed_data)
|
|
if response:
|
|
self.logger.debug(f"TX: {response.hex()}")
|
|
self.serial_conn.write(response)
|
|
except ValueError:
|
|
pass # ETX not found yet
|
|
|
|
time.sleep(0.01)
|
|
|
|
except KeyboardInterrupt:
|
|
self.logger.info("Simulator stopped by user")
|
|
except Exception as e:
|
|
self.logger.error(f"Error: {e}", exc_info=True)
|
|
finally:
|
|
if self.serial_conn and self.serial_conn.is_open:
|
|
self.serial_conn.close()
|
|
self.logger.info("Serial port closed")
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(description="Glory MACH6 Device Simulator")
|
|
parser.add_argument(
|
|
"--port",
|
|
"-p",
|
|
default="/dev/ttyUSB0",
|
|
help="Serial port (default: /dev/ttyUSB0)",
|
|
)
|
|
parser.add_argument(
|
|
"--baudrate", "-b", type=int, default=9600, help="Baud rate (default: 9600)"
|
|
)
|
|
|
|
args = parser.parse_args()
|
|
|
|
simulator = GlorySimulator(args.port, args.baudrate)
|
|
simulator.run()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|