diff --git a/test/README.md b/test/README.md deleted file mode 100644 index 4339c265..00000000 --- a/test/README.md +++ /dev/null @@ -1,64 +0,0 @@ -# TESTS - -### TEST_RX.py - -Receive string "HALLO" with a lot of debugging output -``` -./TEST_TX.py | ./TEST_RX.py -``` -Output should be: -``` -SYNC -INPUT PARSER: 1760 -INPUT LENGTH: 1760 -BUFFER LENGTH: 1848 -MODULATION LENGTH: 924 -SYNC -b'HALLO\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x15S' -INPUT PARSER: 1760 -INPUT LENGTH: 1760 -BUFFER LENGTH: 1848 -MODULATION LENGTH: 924 -SYNC -INPUT PARSER: 1760 -``` - -### TEST_TX.py - -Send string "HALLO" -``` -./TEST_TX.py | ./freedv_data_raw_rx DATAC3 - - | hexdump -C -``` -Output should be: -``` -payload bytes_per_modem_frame: 30 -00000000 54 45 53 54 00 00 00 00 00 00 00 00 00 00 00 00 |TEST............| -modem bufs processed: 22 output bytes: 30 output_frames: 1 -00000010 00 00 00 00 00 00 00 00 00 00 00 00 00 00 |..............| -0000001e -``` - - -### Checksum comparison FREEDV vs CRCENGINE -``` - - ###################### CHECKSUM COMPARISON FREEDV VS CRCENGINE ######## - #https://crccalc.com - - teststring = b'TEST' - - - - # freedv crc16 checksum - crctest2 = c_ushort(self.c_lib.freedv_gen_crc16(teststring, len(teststring))) - print("FREEDV2: " + str(crctest2.value) + " = " + hex(crctest2.value)) - - - #Python crc16 checksum - crc_algorithm = crcengine.new('crc16-ccitt-false') #load crc16 library - crctest3 = crc_algorithm(teststring) - print("CRCENGINE: " + str(crctest3) + " = " + hex(crctest3)) - - - ####################################################################### -``` diff --git a/test/TEST_RX.py b/test/TEST_RX.py deleted file mode 100644 index b13b4f94..00000000 --- a/test/TEST_RX.py +++ /dev/null @@ -1,111 +0,0 @@ -#!/usr/bin/env python3 -# -*- coding: utf-8 -*- -""" -Created on Tue Dec 15 18:29:22 2020 - -@author: DJ2LS -""" - - -import ctypes -from ctypes import * -import pathlib - -import binascii #required for string.to_bytes() function -import sys - - -def main(): - - modem = FreeDV() #Load FreeDV Class as "modem" - - modem.Demodulate() - -class FreeDV(): - - def __init__(self): - - self.mode = 12 # define mode - - libname = pathlib.Path().absolute() / "libcodec2.so" - self.c_lib = ctypes.CDLL(libname) # Load FreeDV shared libary - - self.freedv = self.c_lib.freedv_open(self.mode) #Set FreeDV waveform ( 10,11,12 --> DATA1-3 ) - - self.bytes_per_frame = int(self.c_lib.freedv_get_bits_per_modem_frame(self.freedv)/8) #get bytes per frame from selected waveform - self.payload_per_frame = self.bytes_per_frame -2 #get frame payload because of 2byte CRC16 checksum - self.n_max_modem_samples = self.c_lib.freedv_get_n_max_modem_samples(self.freedv) - self.nin = self.c_lib.freedv_nin(self.freedv) - - print("N MAX MODEM SAMPLES: " + str(self.n_max_modem_samples)) - print("NIN: " + str(self.nin)) - print("BYTES PER FRAME: " + str(self.bytes_per_frame)) - print("---------------------------------") - - # MODULATION-IN OBJECT - def ModulationIn(self): - return (c_short * (self.n_max_modem_samples)) ## - - - # Pointer for changing buffer data type - def FrameBytes(self): - return (c_ubyte * self.bytes_per_frame) - - - # Modulate function which returns modulated data - def Demodulate(self): - - - nin = self.c_lib.freedv_nin(self.freedv) - #while (self.c_lib.freedv_nin(self.freedv) == nin): - #while sys.stdin.buffer != 0: - while True: - - samples = self.c_lib.freedv_nin(self.freedv)*2 ### MIT DER *2 funktioniert das irgendwie recht zuverlässig bei mode 5! Bei Mode 12 auch - data_in = sys.stdin.buffer.read(samples) - - - #buffer = bytearray(len(self.ModulationIn()())*sizeof(c_short)) # create empty byte array - #buffer = bytearray(len(self.ModulationIn()())*self.n_max_modem_samples) # create empty byte array - buffer = bytearray(self.n_max_modem_samples*2) # N MAX SAMPLES * 2 - buffer[:len(data_in)] = data_in # copy across what we have - - self.ModulationIn()() #Create new ModulationIn Object - modulation = self.ModulationIn()# get an empty modulation array - modulation = modulation.from_buffer_copy(buffer) # copy buffer across and get a pointer to it. - bytes_out = self.FrameBytes()() # initilize a pointer to where bytes will be outputed - - nbytes = self.c_lib.freedv_rawdatarx(self.freedv, bytes_out, data_in) # Demodulated data and get number of demodulated bytes - #self.nin = self.c_lib.freedv_nin(self.freedv) - - - # ------------- SOME DEBUGGING OUTPUT - #print("INPUT PARSER: " + str(samples)) - #print("INPUT LENGTH: " + str(len(data_in))) - #print("BUFFER LENGTH: " + str(len(buffer))) - #print("MODULATION LENGTH: " + str(len(modulation))) - - #sync_state = self.c_lib.freedv_get_sync(self.freedv) - #if sync_state > 0: - # print("SYNC") - #else: - # print("NO SYNC") - # ------------- - - - - # print data to terminal if nbytes == bytes_per_frame for selected mode - if nbytes == self.bytes_per_frame: - print(bytes(bytes_out)) - self.c_lib.freedv_set_sync(self.freedv, 0) - - - #Stop loop until data input is empty - #if len(data_in) == 0: - # False - - - - - -main() diff --git a/test/TEST_TX.py b/test/TEST_TX.py deleted file mode 100644 index 9a6ce03b..00000000 --- a/test/TEST_TX.py +++ /dev/null @@ -1,81 +0,0 @@ -#!/usr/bin/env python3 -# -*- coding: utf-8 -*- -""" -Created on Sun Dec 13 13:45:58 2020 -@author: DJ2LS -""" - -import ctypes -from ctypes import * -import pathlib - -import binascii #required for string.to_bytes() function -import sys - - - -def main(): - - modem = FreeDV() #Load FreeDV Class as "modem" - - data = b'HALLO' #byte string which will be send - - modem.Modulate(data) #Call Modulate function, which modulates data and prints it to the terminal - - -class FreeDV(): - - def __init__(self): - - self.mode = 12 # define mode - - libname = pathlib.Path().absolute() / "libcodec2.so" - self.c_lib = ctypes.CDLL(libname) # Load FreeDV shared libary - - self.freedv = self.c_lib.freedv_open(self.mode) #Set FreeDV waveform ( 10,11,12 --> DATAC1-3 ) - - self.bytes_per_frame = int(self.c_lib.freedv_get_bits_per_modem_frame(self.freedv)/8) #get bytes per frame from selected waveform - self.payload_per_frame = self.bytes_per_frame -2 #get frame payload because of 2byte CRC16 checksum - self.n_tx_modem_samples = self.c_lib.freedv_get_n_tx_modem_samples(self.freedv)*2 #get n_tx_modem_samples which defines the size of the modulation object - - # MODULATION-OUT OBJECT - def ModulationOut(self): - return (c_short * self.n_tx_modem_samples) ## - - # Pointer for changing buffer data type - def FrameBytes(self): - return (c_ubyte * self.bytes_per_frame) - - # Modulate function which returns modulated data - def Modulate(self,data_out): - - mod_out = self.ModulationOut()() # new modulation object and get pointer to it - - data_list = [data_out[i:i+self.payload_per_frame] for i in range(0, len(data_out), self.payload_per_frame)] # split incomming bytes to size of 30bytes, create a list and loop through it - data_list_length = len(data_list) - for i in range(data_list_length): # LOOP THROUGH DATA LIST - - if self.mode < 10: # don't generate CRC16 for modes 0 - 9 - - buffer = bytearray(self.bytes_per_frame) # use this if no CRC16 checksum is required - buffer[:len(data_list[i])] = data_list[i] # set buffersize to length of data which will be send - - if self.mode >= 10: #generate CRC16 for modes 10-12.. - - buffer = bytearray(self.payload_per_frame) # use this if CRC16 checksum is required ( DATA1-3) - buffer[:len(data_list[i])] = data_list[i] # set buffersize to length of data which will be send - - crc = c_ushort(self.c_lib.freedv_gen_crc16(bytes(buffer), self.payload_per_frame)) # generate CRC16 - crc = crc.value.to_bytes(2, byteorder='big') # convert crc to 2 byte hex string - buffer += crc # append crc16 to buffer - - - data = self.FrameBytes().from_buffer_copy(buffer) #change data format from bytearray to ctypes.u_byte and copy from buffer to data - - self.c_lib.freedv_rawdatatx(self.freedv,mod_out,data) # modulate DATA and safe it into mod_out pointer - - sys.stdout.buffer.write(mod_out) # print data to terminal for piping the output to other programs - sys.stdout.flush() # flushing stdout - - -main() \ No newline at end of file diff --git a/test/libcodec2.so b/test/libcodec2.so deleted file mode 100644 index 2a0b1961..00000000 Binary files a/test/libcodec2.so and /dev/null differ diff --git a/test/liblpcnetfreedv.so b/test/liblpcnetfreedv.so deleted file mode 100644 index 343b94ef..00000000 Binary files a/test/liblpcnetfreedv.so and /dev/null differ