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pegasusOS-main.py
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# smolOS by Krzysztof Krystian Jankowski
# pegasusOS by Tanishq Agarwal @047pegasus
# Homepage: http://github.com/047pegasus/pegasusOS
# Source version: 0.4.1d modified at 2023.07.16
import machine
import uos
import gc
import network
import usocket
import utime
class pegasusOS:
def __init__(self):
self.name="pegasusOS"
self.version = "0.4.1d"
self.turbo = False
self.files = uos.listdir()
self.protected_files = { "boot.py", "main.py" }
self.user_commands = {
"banner": self.banner,
"help": self.help,
"ls": self.ls,
"cat": self.cat,
"rm": self.rm,
"cls": self.cls,
"stats": self.stats,
"mhz": self.set_cpu_mhz,
"turbo": self.toggle_turbo,
"ed": self.ed,
"info": self.info,
"py": self.py,
"ifconfig" : self.ifconfig,
"ping" : self.ping
}
self.boot()
def boot(self):
self.set_cpu_mhz(80)
self.cls()
self.welcome()
while True:
user_input = input("\npegasus $: ")
parts = user_input.split()
if len(parts) > 0:
command = parts[0]
if command in self.user_commands:
if len(parts) > 1:
arguments = parts[1:]
self.user_commands[command](*arguments)
else:
self.user_commands[command]()
else:
self.unknown_function()
def banner(self):
print("_____________________________________________________")
print(''' ____ _____
/ __ \ / ____|
_ __ ___ __ _ __ _ ___ _ _ ___| | | | (___
| '_ \ / _ \/ _` |/ _` / __| | | / __| | | |\___ \
| |_) | __/ (_| | (_| \__ \ |_| \__ \ |__| |____) |
| .__/ \___|\__, |\__,_|___/\__,_|___/\____/|_____/
| | __/ |
|_| |___/
''')
print("=====================================================")
def welcome(self):
print("\n\n\n\n")
self.banner()
print("\n")
self.stats()
print("\n\n\n\n")
self.print_msg("Type 'help' for the pegasus manual.")
print("\n")
def help(self):
print(self.name+ " Version "+self.version+" user commands:\n")
print("\t`ls` - list files\n\t`cat filename` - print file\n\t`info filename` - info about selected file\n\t`rm filename` - remove file\n\t`ed filename` - text editor\n\t`banner` - system banner\n\t`cls` - clear screen\n\t`mhz` 160 - set CPU speed (80-160) in MHz\n\t`stats` - hardware and software information")
print("\nSystem modified by 047pegasus")
print("Code available at Github 047pegasus/pegasusOS.")
def print_err(self, error):
print("\n\t<!>",error,"<!>")
def print_msg(self, message):
print("\n\t->",message)
def unknown_function(self):
self.print_err("unknown function. Try 'help'.")
def set_cpu_mhz(self,freq="80"):
freq = int(freq)
if freq >= 80 and freq <= 160:
machine.freq(freq * 1000000)
self.print_msg("CPU frequency set to "+str(freq))
else:
self.print_err("wrong CPU frequency. Use between 80 and 160 MHz.")
def toggle_turbo(self):
if self.turbo:
self.set_cpu_mhz("80")
else:
self.set_cpu_mhz("160")
self.turbo = not self.turbo
def stats(self):
print("Board:",machine.unique_id())
print("MicroPython:",uos.uname().release)
print(self.name + ":",self.version,"(size:",uos.stat("main.py")[6],"bytes)")
print("Firmware:",uos.uname().version)
print("CPU Speed:",machine.freq()*0.000001,"MHz")
print("Free/All memory:",gc.mem_free(),"bytes","/", uos.statvfs("/")[1] * uos.statvfs("/")[2], "bytes")
print("Free space:",uos.statvfs("/")[0] * uos.statvfs("/")[2],"bytes")
def cls(self):
print("\033[2J")
def ls(self):
for file in uos.listdir():
file_size = uos.stat(file)[6]
additional = ""
if file in self.protected_files: info = "protected system file"
print(file,"\t", file_size, "bytes", "\t"+additional)
def info(self,filename=""):
if filename == "":
self.print_err("No file")
return
additional = ""
file_size = uos.stat(filename)[6]
if filename in self.protected_files: additional = "protected system file"
print(filename,"\t",file_size,"bytes","\t"+additional)
def cat(self,filename=""):
if filename == "":
self.print_err("Failed to open the file.")
return
with open(filename,'r') as file:
content = file.read()
print(content)
def rm(self,filename=""):
if filename == "":
self.print_err("Failed to remove the file.")
return
if filename in self.protected_files:
self.print_err("Can not remove system file!")
else:
uos.remove(filename)
self.print_msg("File '{}' removed successfully.".format(filename))
def py(self,filename=""):
if filename == "":
self.print_err("Specify a file name to run.")
return
exec(open(filename).read())
def ifconfig(self):
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
def scan_wifi_stations():
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
scan_results = wlan.scan()
return scan_results
def connect_to_wifi_station(ssid, password):
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.disconnect()
wlan.connect(ssid, password)
while not wlan.isconnected():
pass
return wlan.isconnected()
while True:
# Scan for available Wi-Fi stations
scan_results = scan_wifi_stations()
# Display the available stations
print("Available Wi-Fi Stations:")
for i, station in enumerate(scan_results):
print(f"{i+1}. {station[0].decode()}")
# Prompt the user to select a station
selected_station = input("Enter the number of the station you want to connect to (or 'q' to quit): ")
# Exit the loop if the user wants to quit
if selected_station == 'q':
break
# Validate the user's selection
if not selected_station.isdigit() or int(selected_station) < 1 or int(selected_station) > len(scan_results):
print("Invalid selection. Please try again.")
continue
selected_station_ssid = scan_results[int(selected_station) - 1][0].decode()
# Prompt the user to enter the password
password = input("Enter the password for the selected station: ")
# Connect to the selected station
connection_status = connect_to_wifi_station(selected_station_ssid, password)
# Check if the connection was successful
if connection_status:
print("Connection successful!")
print("Network configuration:")
print("IP address:", wlan.ifconfig()[0])
print("Subnet mask:", wlan.ifconfig()[1])
print("Gateway address:", wlan.ifconfig()[2])
print("DNS server:", usocket.getaddrinfo("micropython.org", 80)[0][-1][0])
break
else:
print("Connection failed. Please try again.")
def ping(self, host, count=4, timeout=1):
addr = usocket.getaddrinfo(host, 0)[0][-1][0]
print(f"Pinging {host} [{addr}] with {count} packets:")
for i in range(count):
sock = usocket.socket()
start_time = utime.ticks_ms()
try:
sock.connect((addr, 80)) # Attempt to establish a TCP connection to port 80
end_time = utime.ticks_ms()
elapsed_time = utime.ticks_diff(end_time, start_time)
print(f"Reply from {addr}: bytes=0 time={elapsed_time}ms")
except OSError:
print("Request timed out.")
sock.close()
# txtEDitor
# Minimum viable text editor
def ed(self, filename=""):
self.page_size = 10
self.cls()
print("Welcome to smolEDitor\nA smol text editor for smol operating system\n\nWrite h for help\nq to quit\n\n")
try:
with open(filename,'r+') as file:
print("\nEditing "+filename+" file\n")
lines = file.readlines()
line_count = len(lines)
start_index = 0
message,error = "",""
while True:
if start_index < line_count:
end_index = min(start_index + self.page_size,line_count)
print_lines = lines[start_index:end_index]
print("-> Page:",start_index % self.page_size,"Lines:",line_count)
for line_num,line in enumerate(print_lines,start=start_index + 1):
print("{}: {}".format(line_num,line.strip()))
if line_count > self.page_size:
message = "`b` back,`n` next page\n" + message
if not message == "":
print("-> ",message)
if not error == "":
self.print_err(error)
message,error = "",""
user_ed_input = input("\ned $: ")
if user_ed_input in ("q","quit"):
break
if user_ed_input in ("h","help"):
message = "txtEDitor minimum viable text editor\n\n`n` - next",self.page_size,"lines\n`b` - back",self.page_size,"lines\n`n text` - replacing n line with a text\n`a`,`add` - add new line\n`w`,`write`,'save' - write to file\n`h` - this help\n`q` - quit\n"
if user_ed_input in ("a","add"):
line_count += 1
lines.append("")
if user_ed_input == "n":
if start_index+self.page_size < line_count:
start_index += self.page_size
else:
error = "out of lines in this file."
if user_ed_input == "b":
if start_index-self.page_size >= 0:
start_index -= self.page_size
else:
error = "out of lines in this file."
if user_ed_input in ("w","write","save"):
error = "Saving implemented yet"
parts = user_ed_input.split(" ",1)
if len(parts) == 2:
line_number = int(parts[0])
new_content = parts[1]
if line_number > 0 and line_number < line_count:
lines[line_number - 1] = new_content + "\n"
else:
error = "Invalid line number."
except OSError:
if filename == "":
self.print_err("Provide an existing file name after the `ed` command.")
else:
self.print_err("Failed to open the file.")
pegasus = pegasusOS()