def main(block_name, input_device, output_device, block_size, sample_rate):
# Initialise ConnectSDK
sdk = ChirpConnect(block=block_name)
print(str(sdk))
print('Protocol: {protocol} [v{version}]'.format(
protocol=sdk.protocol_name, version=sdk.protocol_version))
print(sdk.audio.query_devices())
# Configure audio
sdk.audio.input_device = input_device
sdk.audio.output_device = output_device
sdk.audio.block_size = block_size
sdk.input_sample_rate = sample_rate
sdk.output_sample_rate = sample_rate
# Set callback functions
sdk.set_callbacks(Callbacks())
# Generate random payload and send
payload = sdk.random_payload()
sdk.start(send=True, receive=True)
sdk.send(payload)
try:
# Process audio streams
while True:
time.sleep(0.1)
sys.stdout.write('.')
sys.stdout.flush()
except KeyboardInterrupt:
print('Exiting')
sdk.stop()
def main(args):
# ------------------------------------------------------------------------
# Initialise the Connect SDK.
# ------------------------------------------------------------------------
sdk = ChirpConnect()
print(str(sdk))
if args.network_config:
sdk.set_config_from_network()
print('Protocol: {protocol} [v{version}]'.format(
protocol=sdk.protocol_name,
version=sdk.protocol_version))
# ------------------------------------------------------------------------
# Disable audio playback.
# ------------------------------------------------------------------------
sdk.audio = None
sdk.set_callbacks(Callbacks(args))
sdk.start(send=False, receive=True)
w = wave.open(args.infile, 'r')
data = w.readframes(w.getnframes())
sdk.input_sample_rate = w.getframerate()
for f in range(0, len(data), CHIRP_SDK_BUFFER_SIZE):
if w.getsampwidth() == 2:
sdk.process_shorts_input(data[f: f + CHIRP_SDK_BUFFER_SIZE])
elif w.getsampwidth() == 4:
sdk.process_input(data[f: f + CHIRP_SDK_BUFFER_SIZE])
sdk.stop()
def main(args):
# ------------------------------------------------------------------------
# Initialise the Connect SDK.
# ------------------------------------------------------------------------
sdk = ChirpConnect()
print(sdk.audio.query_devices())
print(str(sdk))
sdk.audio.output_device = args.o
if args.network_config:
sdk.set_config_from_network()
if sdk.protocol_name != '16khz-mono':
raise RuntimeError('Must use the 16khz-mono protocol ' +
'to be compatible with other Chirp Messenger apps.')
# ------------------------------------------------------------------------
# Parse unicode and send as a chirp payload
# ------------------------------------------------------------------------
message = args.message.encode('utf-8')
payload = sdk.new_payload(message)
sdk.volume = args.volume
sdk.set_callbacks(Callbacks())
sdk.start()
sdk.send(payload)
try:
# Process audio streams
while True:
time.sleep(0.1)
except KeyboardInterrupt:
print('Exiting')
sdk.stop()
sdk.close()
def main(input_device):
# Initialise Connect SDK
sdk = ChirpConnect()
print(str(sdk))
print(sdk.audio.query_devices())
if sdk.protocol_name != 'standard':
raise RuntimeError('Must use the standard protocol ' +
'to be compatible with other Chirp Messenger apps.')
# Configure audio
sdk.audio.frame_size = 4096
sdk.audio.input_device = input_device
# Set callbacks and start SDK
sdk.set_callbacks(Callbacks())
sdk.start(send=False, receive=True)
try:
# Process audio streams
while True:
time.sleep(1)
except KeyboardInterrupt:
print('Exiting')
sdk.stop()
sdk.close()
class Grillo:
"""
Tool to send data to a different computer or receive it, just using audio and mic.
"""
HEADER_SEPARATOR = b"|"
FILE_NAME_SEPARATOR = b"<NAME>"
def __init__(self, send=False, receive=False):
"""
Return an instance of a chirp thingymagic ready to be used.
"""
self.chirp = ChirpConnect(
key=config.CHIRP_APP_KEY,
secret=config.CHIRP_APP_SECRET,
config=config.CHIRP_APP_CONFIG,
)
self.chirp.set_callbacks(ChirpCallbacks(self))
self.listening = receive
self.chirp.start(send=send, receive=receive)
def send_message(self, kind, payload):
"""
Build a serialized message to send over audio.
"""
message = kind.value.encode(
"utf-8") + Grillo.HEADER_SEPARATOR + payload
if len(message) > 32:
raise MessageTooLongException()
self.chirp.send(message, blocking=True)
def read_message(self, message):
"""
Read a serialized message received over audio.
"""
parts = message.split(Grillo.HEADER_SEPARATOR)
kind = MessageKind(parts[0].decode("utf-8"))
payload = Grillo.HEADER_SEPARATOR.join(parts[1:])
return kind, payload
def send_text(self, text):
"""
Send text via audio.
"""
self.send_message(MessageKind.TEXT, text.encode("utf-8"))
def send_clipboard(self):
"""
Send clipboard contents via audio.
"""
self.send_message(MessageKind.CLIPBOARD,
pyperclip.paste().encode("utf-8"))
def send_file(self, file_path):
"""
Send file contents via audio.
"""
if isinstance(file_path, str):
file_path = Path(file_path)
with file_path.open('rb') as file:
file_contents = file.read()
payload = (file_path.name.encode("utf-8") +
Grillo.FILE_NAME_SEPARATOR + file_contents)
self.send_message(MessageKind.FILE, payload)
def listen(self, forever=False):
"""
Receive whatever data is being sent from the source computer.
"""
while self.listening or forever:
time.sleep(1)
def receive_message(self, message):
"""
Process an incoming message.
"""
kind, payload = self.read_message(message)
if kind == MessageKind.TEXT:
self.receive_text(payload)
elif kind == MessageKind.CLIPBOARD:
self.receive_clipboard(payload)
elif kind == MessageKind.FILE:
self.receive_file(payload)
self.listening = False
def receive_text(self, payload):
"""
Receive text via audio.
"""
text = payload.decode("utf-8")
print("Received text:")
print(text)
def receive_clipboard(self, payload):
"""
Receive clipboard contents via audio.
"""
clipboard_contents = payload.decode("utf-8")
pyperclip.copy(clipboard_contents)
print("Received clipboard contents, copied to your own clipboard :)")
def receive_file(self, payload):
"""
Receive file contents via audio.
"""
parts = payload.split(Grillo.FILE_NAME_SEPARATOR)
name = parts[0].decode("utf-8")
file_contents = Grillo.FILE_NAME_SEPARATOR.join(parts[1:])
file_path = Path(".") / name
copy_counter = 0
while file_path.exists():
copy_counter += 1
file_path = Path(".") / str(copy_counter) + "_" + name
with file_path.open('wb') as file:
file.write(file_contents)
print("Received a file, saved to", str(file_path))
import sys
import time
import json
from chirpsdk import ChirpConnect, CallbackSet
class Callbacks(CallbackSet):
def on_received(self, payload, channel):
if payload is not None:
hex = payload.decode('utf-8')
print(json.dumps({"data": hex, "type": "hex"}))
else:
print(json.dumps({"data": "Decode Failed", "type": "error"}))
def on_receiving(self, channel):
print(json.dumps({"data": "Listening...", "type": "listening"}))
return super().on_receiving(channel)
chirp = ChirpConnect(block='ultrasonic-multi-channel')
chirp.start(receive=True)
chirp.set_callbacks(Callbacks())
try:
while True:
time.sleep(0.1)
sys.stdout.flush()
except KeyboardInterrupt:
print('Exiting')
def main(block_name, input_device, output_device, block_size, sample_rate,
string):
# Initialise ConnectSDK
sdk = ChirpConnect(block=block_name)
print(str(sdk))
print('Protocol: {protocol} [v{version}]'.format(
protocol=sdk.protocol_name, version=sdk.protocol_version))
print(sdk.audio.query_devices())
# Configure audio
sdk.audio.input_device = input_device
sdk.audio.output_device = output_device
sdk.audio.block_size = block_size
sdk.input_sample_rate = sample_rate
sdk.output_sample_rate = 44100
# Set callback functions
sdk.set_callbacks(Callbacks())
# print("type your message")
#msg = ""
print(string)
divideMsg8(string)
#print(divMsg)
# window = Tk()
# messages = Text(window)
# messages.pack()
# # input_user = StringVar()
# # input_field = Entry(window, text=input_user)
# input_field.pack(side=BOTTOM, fill=X)
# def Enter_pressed(event):
# input_get = input_field.get()
# global msg, divMsg
# msg = input_get
# divMsg = divideMsg8(string)
# #print(input_get)
# messages.insert(INSERT, '%s\n' % input_get)
# # label = Label(window, text=input_get)
# input_user.set('')
# # label.pack()
# return "break"
# frame = Frame(window) # , width=300, height=300)
# input_field.bind("<Return>", Enter_pressed)
# frame.pack()
# window.mainloop()
#initialize SDK to SEND ONLY
sdk.start(send=True, receive=True)
timeLapse = 0
# numMsgSent = 0;
try:
# Process audio streams
while True:
if string != "xS$9!a6@":
time.sleep(0.1)
# sys.stdout.write('.')
sys.stdout.flush()
timeLapse += 1
if timeLapse % 50 == 0:
timeLapse = 0
# if numMsgSent <= len(divMsg):
if len(divMsg) > 0:
# identifier = divMsg[numMsgSent]
identifier = divMsg[0]
payload = bytearray([ord(ch) for ch in identifier])
sdk.send(payload)
divMsg.pop(0)
# numMsgSent += 1
else:
identifier = "@6a!9$Sx"
payload = bytearray([ord(ch) for ch in identifier])
sdk.send(payload)
time.sleep(5)
break
else:
time.sleep(0.1)
# sys.stdout.write('.')
sys.stdout.flush()
break
except KeyboardInterrupt:
print('Exiting')
sdk.stop()
class Modem:
"""
An audio modem able to encode and decode data from/to audio. Internally uses chirp for
the modulation/demodulation and error correction, but adding a layer that allows for messages
longer than 32 bytes (sending multiple chirp messages for every grillo message).
"""
DATA_LEN = 30
PACKET_DURATION = timedelta(seconds=4.66)
def __init__(self, with_confirmation=False):
self.chirp = ChirpConnect(
key=config.CHIRP_APP_KEY,
secret=config.CHIRP_APP_SECRET,
config=config.CHIRP_APP_CONFIG,
)
self.chirp.start(send=True, receive=True)
self.with_confirmation = with_confirmation
self.reset_chained_status()
def reset_chained_status(self):
"""
Reset the status of the chained message that is being received.
"""
self.chained_total_parts = None
self.chained_parts = {}
def send_message(self, message):
"""
Send a message as multiple packets.
"""
chain_len = self._get_chain_len(len(message))
if chain_len > 255:
raise MessageTooLongException()
packets_to_send = range(chain_len)
while len(packets_to_send) > 0:
self._send_packets(message, packets_to_send, chain_len)
if self.with_confirmation:
packets_to_send = self._get_packets_to_retry()
else:
break
def _get_packets_to_retry(self):
"""
Wait for the other end to inform which parts of a message it didn't receive.
"""
packets_to_retry = []
ack_msg = self.receive_packet(self.PACKET_DURATION * 2)
if ack_msg is None:
return []
header = ack_msg[0]
if header == 0:
packets_to_retry = ack_msg[1:]
return packets_to_retry
else:
raise MessageAckIsBroken()
def _send_packets(self, message, packet_list, chain_len):
"""
Send a message as multiple packets, one after the other.
"""
for i in packet_list:
packet = (bytes([chain_len, i]) +
message[self.DATA_LEN * i:self.DATA_LEN * (i + 1)])
self.send_packet(packet)
def send_packet(self, packet):
"""
Send a single packet.
"""
self.chirp.send(packet, blocking=True)
def send_ack(self, missing_parts=None):
"""
Send a packet informing the missing parts of a chained message.
"""
if missing_parts is None:
missing_parts = []
self.send_packet(bytes([0] + missing_parts))
def _get_chain_len(self, size):
return size // self.DATA_LEN + 1
def receive_packet(self, timeout=None):
"""
Wait (blocking) for a single packet, and return it when received.
"""
receiver = SinglePacketReceiver()
self.chirp.set_callbacks(receiver)
start = datetime.now()
while receiver.packet is None:
time.sleep(0.1)
if timeout:
now = datetime.now()
if now - start > timeout:
break
self.stop_listening()
return receiver.packet
def receive_message(self, timeout=300):
"""
Wait (blocking) for a single message, and return it when received.
"""
self.reset_chained_status()
receiver = SinglePacketReceiver(callback=self.on_chained_part_received)
self.chirp.set_callbacks(receiver)
self.timeout_start = datetime.now()
if timeout:
self.timeout_delta = timedelta(seconds=timeout)
chained_message = None
last_expected_part = None
while chained_message is None:
time.sleep(0.1)
if self.chained_total_parts is not None:
if last_expected_part is None:
last_expected_part = self.chained_total_parts - 1
if last_expected_part in self.chained_parts or self._timeout_expired(
):
# finished receiving all the parts or should have finished and we didn't
missing_parts = self.chained_missing_parts()
if missing_parts:
# we didn't get all the parts, ask for the missing ones
parts_to_resend = missing_parts[:self.DATA_LEN]
last_expected_part = parts_to_resend[-1]
self.send_ack(parts_to_resend)
self._reset_timeout()
else:
# stop the chained building loop, we got all the parts
chained_message = self.chained_combine()
self.send_ack()
break
if timeout and self._timeout_expired():
break
self.stop_listening()
self.reset_chained_status()
return chained_message
def _timeout_expired(self):
now = datetime.now()
return (now - self.timeout_start) > self.timeout_delta
def on_chained_part_received(self, packet):
"""
Executed when chirp receives data that is part of a chained message.
"""
if packet is not None:
total_parts = packet[0]
part_number = packet[1]
message_part = packet[2:]
if self.chained_total_parts is None:
# first part received!
self.chained_total_parts = total_parts
self.chained_parts[part_number] = message_part
self._reset_timeout()
def _reset_timeout(self):
self.timeout_delta = self.PACKET_DURATION * 1.5
self.timeout_start = datetime.now()
def chained_missing_parts(self):
"""
Which parts of the message are missing?
"""
return [
part_number for part_number in range(self.chained_total_parts)
if part_number not in self.chained_parts
]
def chained_combine(self):
"""
Concatenate all the message parts.
"""
return b''.join(self.chained_parts[part_number]
for part_number in range(self.chained_total_parts))
def listen_for_packets(self, callback):
"""
Start listening for packets, calling a callback whenever a packet is received.
"""
receiver = SinglePacketReceiver(callback)
self.chirp.set_callbacks(receiver)
def listen_for_messages(self, callback):
"""
Start listening for messages, calling a callback whenever a packet is received.
"""
while True:
message = self.receive_message()
callback(message)
self.reset_chained_status()
def stop_listening(self):
"""
Stop using chirp to listen for packets.
"""
self.chirp.set_callbacks(NoCallbacks())