mirror of
https://github.com/DJ2LS/FreeDATA
synced 2024-05-14 08:04:33 +00:00
105 lines
2.6 KiB
Python
105 lines
2.6 KiB
Python
#!/usr/bin/env python3
|
|
# -*- coding: utf-8 -*-
|
|
|
|
import ctypes
|
|
from ctypes import *
|
|
import sys
|
|
import pathlib
|
|
from enum import Enum
|
|
|
|
print("loading codec2 module", file=sys.stderr)
|
|
|
|
|
|
# Enum for codec2 modes
|
|
class FREEDV_MODE(Enum):
|
|
datac0 = 14
|
|
datac1 = 10
|
|
datac3 = 12
|
|
|
|
def FREEDV_GET_MODE(mode):
|
|
return FREEDV_MODE[mode].value
|
|
|
|
# LOAD FREEDV
|
|
libname = "libcodec2.so"
|
|
api = ctypes.CDLL(libname)
|
|
|
|
|
|
# ctypes function init
|
|
|
|
api.freedv_open.argype = [c_int]
|
|
api.freedv_open.restype = c_void_p
|
|
|
|
api.freedv_get_bits_per_modem_frame.argtype = [c_void_p]
|
|
api.freedv_get_bits_per_modem_frame.restype = c_int
|
|
|
|
api.freedv_nin.argtype = [c_void_p]
|
|
api.freedv_nin.restype = c_int
|
|
|
|
api.freedv_rawdatarx.argtype = [c_void_p, c_char_p, c_char_p]
|
|
api.freedv_rawdatarx.restype = c_int
|
|
|
|
api.freedv_rawdatatx.argtype = [c_void_p, c_char_p, c_char_p]
|
|
api.freedv_rawdatatx.restype = c_int
|
|
|
|
api.freedv_rawdatapostambletx.argtype = [c_void_p, c_char_p, c_char_p]
|
|
api.freedv_rawdatapostambletx.restype = c_int
|
|
|
|
api.freedv_rawdatapreambletx.argtype = [c_void_p, c_char_p, c_char_p]
|
|
api.freedv_rawdatapreambletx.restype = c_int
|
|
|
|
api.freedv_get_n_max_modem_samples.argtype = [c_void_p]
|
|
api.freedv_get_n_max_modem_samples.restype = c_int
|
|
|
|
api.freedv_set_frames_per_burst.argtype = [c_void_p, c_int]
|
|
api.freedv_set_frames_per_burst.restype = c_void_p
|
|
|
|
api.freedv_get_rx_status.argtype = [c_void_p]
|
|
api.freedv_get_rx_status.restype = c_int
|
|
|
|
api.freedv_get_modem_stats.argtype = [c_void_p, c_void_p, c_void_p]
|
|
api.freedv_get_modem_stats.restype = c_int
|
|
|
|
api.freedv_get_n_tx_postamble_modem_samples.argtype = [c_void_p]
|
|
api.freedv_get_n_tx_postamble_modem_samples.restype = c_int
|
|
|
|
api.freedv_get_n_tx_preamble_modem_samples.argtype = [c_void_p]
|
|
api.freedv_get_n_tx_preamble_modem_samples.restype = c_int
|
|
|
|
api.freedv_get_n_tx_modem_samples.argtype = [c_void_p]
|
|
api.freedv_get_n_tx_modem_samples.restype = c_int
|
|
|
|
|
|
api.FREEDV_FS_8000 = 8000
|
|
api.FREEDV_MODE_DATAC1 = 10
|
|
api.FREEDV_MODE_DATAC3 = 12
|
|
api.FREEDV_MODE_DATAC0 = 14
|
|
|
|
# Return code flags for freedv_get_rx_status() function
|
|
api.FREEDV_RX_TRIAL_SYNC = 0x1 # demodulator has trial sync
|
|
api.FREEDV_RX_SYNC = 0x2 # demodulator has sync
|
|
api.FREEDV_RX_BITS = 0x4 # data bits have been returned
|
|
api.FREEDV_RX_BIT_ERRORS = 0x8 # FEC may not have corrected all bit errors (not all parity checks OK)
|
|
|
|
api.rx_sync_flags_to_text = [
|
|
"----",
|
|
"---T",
|
|
"--S-",
|
|
"--ST",
|
|
"-B--",
|
|
"-B-T",
|
|
"-BS-",
|
|
"-BST",
|
|
"E---",
|
|
"E--T",
|
|
"E-S-",
|
|
"E-ST",
|
|
"EB--",
|
|
"EB-T",
|
|
"EBS-",
|
|
"EBST"]
|
|
|
|
|
|
|
|
|
|
|
|
|