YACWC
This commit is contained in:
Executable
BIN
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@@ -0,0 +1,71 @@
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SENT: (28, 2, 15, 27, 1, 25, 1)
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====================================
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||||
RECEIVED: (62, 98, 1, 1, 79, 122, 122, 105, 101, 44, 53, 53, 48, 109, 109, 109)
|
||||
FLAG: 1
|
||||
SENT: (33, 2, 15, 27, 1, 25, 1)
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
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||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
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||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
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||||
FLAG: 31
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||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
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||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 2, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 45, 9, 218)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 3, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 32, 232)
|
||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 3, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 32, 232)
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||||
FLAG: 31
|
||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 3, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 32, 232)
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||||
FLAG: 31
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||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 3, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 32, 232)
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||||
FLAG: 31
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||||
====================================
|
||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 3, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 32, 232)
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||||
FLAG: 31
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||||
====================================
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||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 3, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 32, 232)
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||||
FLAG: 31
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||||
====================================
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||||
RECEIVED: (255, 19, 2, 31, 79, 122, 122, 105, 101, 32, 32, 32, 32, 32, 44, 53, 53, 48, 109, 109, 32, 32, 32, 32, 3, 1, 3, 15, 27, 1, 25, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 174, 32, 232)
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FLAG: 31
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@@ -0,0 +1,43 @@
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import os
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import pickle
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import struct
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with open('packet_dump','rb') as ff:
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packet = pickle.load(ff)
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def get_3byte_hash(packet):
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hashed = 0;
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for x in packet:
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hashed = (hashed*31 + x) % 0xFFFFFF
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return hashed
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def get_bytes(value):
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return list(value.to_bytes(4, byteorder='little'))
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to_id = packet[0]
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from_id = packet[1]
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msg_format = packet[2]
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msg_type = packet[3]
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name = packet[4:14]
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wheel_diameter = packet[14:24]
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battery_reading = struct.unpack('<' + 'H', packet[24:26])[0]
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time_reading = struct.unpack('<'+'B'*5, packet[26:31])
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wheel_counts = struct.unpack('<'+'H'*15, packet[31:61])
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b1, b2, b3 = struct.unpack('<BBB',packet[61:64])
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hash_from_msg = b1 | b2<<8 | b3<<16
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hash_calculated = get_hash(packet[4:61])
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if hash_calculated == hash_from_msg:
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print('Hashes match!')
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else:
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print("Hashes do not match")
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Binary file not shown.
@@ -0,0 +1,111 @@
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# SPDX-FileCopyrightText: 2018 Brent Rubell for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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"""
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Example for using the RFM69HCW Radio with Raspberry Pi.
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Learn Guide: https://learn.adafruit.com/lora-and-lorawan-for-raspberry-pi
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Author: Brent Rubell for Adafruit Industries
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"""
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from datetime import datetime
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# Import Python System Libraries
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import time
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from datetime import datetime
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# Import Blinka Libraries
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import busio
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from digitalio import DigitalInOut, Direction, Pull
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import board
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# Import the SSD1306 module.
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# import adafruit_ssd1306
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# Import the RFM69 radio module.
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import adafruit_rfm69
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# import numpy as np
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import ctypes
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import struct
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import pickle
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import os
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# # Button A
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# btnA = DigitalInOut(board.D5)
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# btnA.direction = Direction.INPUT
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# btnA.pull = Pull.UP
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# # Button B
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# btnB = DigitalInOut(board.D6)
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# btnB.direction = Direction.INPUT
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# btnB.pull = Pull.UP
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# # Button C
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# btnC = DigitalInOut(board.D12)
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# btnC.direction = Direction.INPUT
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# btnC.pull = Pull.UP
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# # Create the I2C interface.
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# i2c = busio.I2C(board.SCL, board.SDA)
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# # 128x32 OLED Display
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# reset_pin = DigitalInOut(board.D4)
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# display = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c, reset=reset_pin)
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# # Clear the display.
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# display.fill(0)
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# display.show()
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# width = display.width
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# height = display.height
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# Configure Packet Radio
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CS = DigitalInOut(board.CE1)
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RESET = DigitalInOut(board.D25)
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spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
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rfm69 = adafruit_rfm69.RFM69(spi, CS, RESET, 434.0, high_power=True)
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prev_packet = None
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# Optionally set an encryption key (16 byte AES key). MUST match both
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# on the transmitter and receiver (or be set to None to disable/the default).
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# rfm69.encryption_key = b'\x01\x02\x03\x04\x05\x06\x07\x08\x01\x02\x03\x04\x05\x06\x07\x08'
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rfm69.encryption_key = None;
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rfm69.tx_power=20;
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def unpack_uint8(m):
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return struct.unpack('B'*len(m), m)
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def send_now():
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rfm69.idle()
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n = datetime.now()
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add_this = [n.second,n.minute,n.hour,n.day,n.month,n.year-2000,n.isoweekday()]
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b_ar = bytearray();
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for x in add_this:
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b_ar += ctypes.c_uint8(x)
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msg_send = b_ar;
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for i in range(3):
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rfm69.send(msg_send, flags=2, keep_listening = True); # Date time return request
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time.sleep(0.05);
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print('SENT:\t\t',unpack_uint8(msg_send))
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# print("Sent!", add_this);
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send_now();
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while True:
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# send_now();
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packet = None
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packet = rfm69.receive(with_header = True)
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if packet is not None:
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# = packet
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print('====================================')
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print('RECEIVED:\t',unpack_uint8(packet))
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packet_flag = packet[3]
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print('FLAG:\t',packet_flag)
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if packet_flag == 1:
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send_now();
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if packet_flag == 31:
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if not os.path.exists('packet_dump'):
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pickle.dump(packet, open('packet_dump','wb'));
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# print(packet_flag, prev_packet);
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# packet_text = str(prev_packet[4:], "utf-8")
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# print(packet_text)
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# time.sleep(0.01)
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@@ -0,0 +1,99 @@
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# SPDX-FileCopyrightText: 2018 Brent Rubell for Adafruit Industries
|
||||
#
|
||||
# SPDX-License-Identifier: MIT
|
||||
|
||||
"""
|
||||
Example for using the RFM69HCW Radio with Raspberry Pi.
|
||||
|
||||
Learn Guide: https://learn.adafruit.com/lora-and-lorawan-for-raspberry-pi
|
||||
Author: Brent Rubell for Adafruit Industries
|
||||
"""
|
||||
# Import Python System Libraries
|
||||
import time
|
||||
# Import Blinka Libraries
|
||||
import busio
|
||||
from digitalio import DigitalInOut, Direction, Pull
|
||||
import board
|
||||
# Import the SSD1306 module.
|
||||
import adafruit_ssd1306
|
||||
# Import the RFM69 radio module.
|
||||
import adafruit_rfm69
|
||||
|
||||
# Button A
|
||||
btnA = DigitalInOut(board.D5)
|
||||
btnA.direction = Direction.INPUT
|
||||
btnA.pull = Pull.UP
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||||
|
||||
# Button B
|
||||
btnB = DigitalInOut(board.D6)
|
||||
btnB.direction = Direction.INPUT
|
||||
btnB.pull = Pull.UP
|
||||
|
||||
# Button C
|
||||
btnC = DigitalInOut(board.D12)
|
||||
btnC.direction = Direction.INPUT
|
||||
btnC.pull = Pull.UP
|
||||
|
||||
# Create the I2C interface.
|
||||
i2c = busio.I2C(board.SCL, board.SDA)
|
||||
|
||||
# 128x32 OLED Display
|
||||
reset_pin = DigitalInOut(board.D4)
|
||||
display = adafruit_ssd1306.SSD1306_I2C(128, 32, i2c, reset=reset_pin)
|
||||
# Clear the display.
|
||||
display.fill(0)
|
||||
display.show()
|
||||
width = display.width
|
||||
height = display.height
|
||||
|
||||
# Configure Packet Radio
|
||||
CS = DigitalInOut(board.CE1)
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||||
RESET = DigitalInOut(board.D25)
|
||||
spi = busio.SPI(board.SCK, MOSI=board.MOSI, MISO=board.MISO)
|
||||
rfm69 = adafruit_rfm69.RFM69(spi, CS, RESET, 915.0)
|
||||
prev_packet = None
|
||||
# Optionally set an encryption key (16 byte AES key). MUST match both
|
||||
# on the transmitter and receiver (or be set to None to disable/the default).
|
||||
rfm69.encryption_key = b'\x01\x02\x03\x04\x05\x06\x07\x08\x01\x02\x03\x04\x05\x06\x07\x08'
|
||||
|
||||
while True:
|
||||
packet = None
|
||||
# draw a box to clear the image
|
||||
display.fill(0)
|
||||
display.text('RasPi Radio', 35, 0, 1)
|
||||
|
||||
# check for packet rx
|
||||
packet = rfm69.receive()
|
||||
if packet is None:
|
||||
display.show()
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||||
display.text('- Waiting for PKT -', 15, 20, 1)
|
||||
else:
|
||||
# Display the packet text and rssi
|
||||
display.fill(0)
|
||||
prev_packet = packet
|
||||
packet_text = str(prev_packet, "utf-8")
|
||||
display.text('RX: ', 0, 0, 1)
|
||||
display.text(packet_text, 25, 0, 1)
|
||||
time.sleep(1)
|
||||
|
||||
if not btnA.value:
|
||||
# Send Button A
|
||||
display.fill(0)
|
||||
button_a_data = bytes("Button A!\r\n","utf-8")
|
||||
rfm69.send(button_a_data)
|
||||
display.text('Sent Button A!', 25, 15, 1)
|
||||
elif not btnB.value:
|
||||
# Send Button B
|
||||
display.fill(0)
|
||||
button_b_data = bytes("Button B!\r\n","utf-8")
|
||||
rfm69.send(button_b_data)
|
||||
display.text('Sent Button B!', 25, 15, 1)
|
||||
elif not btnC.value:
|
||||
# Send Button C
|
||||
display.fill(0)
|
||||
button_c_data = bytes("Button C!\r\n","utf-8")
|
||||
rfm69.send(button_c_data)
|
||||
display.text('Sent Button C!', 25, 15, 1)
|
||||
|
||||
display.show()
|
||||
time.sleep(0.1)
|
||||
@@ -0,0 +1,20 @@
|
||||
#include <stdint.h>
|
||||
#include <inttypes.h>
|
||||
#include <stdio.h>
|
||||
|
||||
uint32_t hash_me(const char* str) {
|
||||
uint32_t hash = 0; // Start with a 32-bit hash (we'll constrain to 24 bits)
|
||||
|
||||
while (*str) {
|
||||
hash = (hash * 31 + (uint8_t)(*str)) % 0xFFFFFF;
|
||||
str++;
|
||||
}
|
||||
return hash;
|
||||
}
|
||||
|
||||
void main()
|
||||
{
|
||||
uint32_t hash_result= hash_me("Hello World");
|
||||
printf("%"PRIu32"\n", hash_result);
|
||||
}
|
||||
|
||||
Binary file not shown.
Reference in New Issue
Block a user