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