mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 08:04:33 +00:00
65 lines
1.6 KiB
Python
65 lines
1.6 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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"""
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Created on Fri Dec 25 21:25:14 2020
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@author: DJ2LS
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"""
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import time
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import threading
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import logging
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from colorlog import ColoredFormatter
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import crcengine
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import static
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def get_crc_8(data):
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crc_algorithm = crcengine.new('crc8-ccitt') #load crc8 library
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crc_data = crc_algorithm(data)
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crc_data = crc_data.to_bytes(1, byteorder='big')
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return crc_data
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def get_crc_16(data):
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crc_algorithm = crcengine.new('crc16-ccitt-false') #load crc16 library
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crc_data = crc_algorithm(data)
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crc_data = crc_data.to_bytes(2, byteorder='big')
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return crc_data
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def arq_ack_timeout():
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if static.ARQ_STATE == 'RECEIVING_SIGNALLING':
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static.ARQ_RX_ACK_TIMEOUT = True
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logging.debug("ARQ_RX_ACK_TIMEOUT")
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def arq_rpt_timeout():
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if static.ARQ_STATE == 'RECEIVING_SIGNALLING':
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static.ARQ_RX_RPT_TIMEOUT = True
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logging.debug("ARQ_RX_RPT_TIMEOUT")
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def arq_frame_timeout():
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if static.ARQ_STATE == 'RECEIVING_SIGNALLING':
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static.ARQ_RX_FRAME_TIMEOUT = True
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logging.debug("ARQ_RX_FRAME_TIMEOUT")
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def arq_reset_timeout(state):
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static.ARQ_RX_ACK_TIMEOUT = state
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static.ARQ_RX_FRAME_TIMEOUT = state
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static.ARQ_RX_RPT_TIMEOUT = state
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def arq_reset_ack(state):
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static.ARQ_ACK_RECEIVED = state
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static.ARQ_RPT_RECEIVED = state
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static.ARQ_FRAME_ACK_RECEIVED = state
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def arq_reset_frame_machine():
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arq_reset_timeout(False)
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arq_reset_ack(False)
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static.TX_N_RETRIES = 0
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static.ARQ_N_SENT_FRAMES = 0
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static.ARQ_TX_N_FRAMES_PER_BURST = 0
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