FreeDATA/helpers.py
2021-02-19 09:50:04 +01:00

98 lines
3 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
import crcengine
import pyaudio
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
static.TNC_STATE = b'IDLE'
def setup_logging():
logging.basicConfig(format='%(asctime)s.%(msecs)03d %(levelname)s:\t%(message)s', datefmt='%H:%M:%S', level=logging.INFO)
logging.addLevelName( logging.DEBUG, "\033[1;36m%s\033[1;0m" % logging.getLevelName(logging.DEBUG))
logging.addLevelName( logging.INFO, "\033[1;37m%s\033[1;0m" % logging.getLevelName(logging.INFO))
logging.addLevelName( logging.WARNING, "\033[1;33m%s\033[1;0m" % logging.getLevelName(logging.WARNING))
logging.addLevelName( logging.ERROR, "\033[1;31m%s\033[1;0m" % "FAILED")
#logging.addLevelName( logging.ERROR, "\033[1;31m%s\033[1;0m" % logging.getLevelName(logging.ERROR))
logging.addLevelName( logging.CRITICAL, "\033[1;41m%s\033[1;0m" % logging.getLevelName(logging.CRITICAL))
logging.addLevelName( 25, "\033[1;32m%s\033[1;0m" % "SUCCESS")
logging.addLevelName( 24, "\033[1;34m%s\033[1;0m" % "DATA")
# https://stackoverflow.com/questions/384076/how-can-i-color-python-logging-output
#'DEBUG' : 37, # white
#'INFO' : 36, # cyan
#'WARNING' : 33, # yellow
#'ERROR' : 31, # red
#'CRITICAL': 41, # white on red bg
def list_audio_devices():
p = pyaudio.PyAudio()
devices = []
for x in range(0, p.get_device_count()):
devices.append(f"{x} - {p.get_device_info_by_index(x)['name']}")
for line in devices:
print(line)