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tx_HDLC_doppler_simplified.grc
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tx_HDLC_doppler_simplified.grc
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<?xml version='1.0' encoding='utf-8'?>
<?grc format='1' created='3.7.14'?>
<flow_graph>
<timestamp>Mon May 13 07:48:09 2019</timestamp>
<block>
<key>options</key>
<param>
<key>author</key>
<value>Dan Álvarez</value>
</param>
<param>
<key>window_size</key>
<value>(2000,2000)</value>
</param>
<param>
<key>category</key>
<value>[GRC Hier Blocks]</value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>description</key>
<value>This block transmits CSP commands in HDLC encoding and GMSK modulation.</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(8, 8)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>generate_options</key>
<value>qt_gui</value>
</param>
<param>
<key>hier_block_src_path</key>
<value>.:</value>
</param>
<param>
<key>id</key>
<value>tx_HDLC_doppler_simplified</value>
</param>
<param>
<key>max_nouts</key>
<value>0</value>
</param>
<param>
<key>qt_qss_theme</key>
<value></value>
</param>
<param>
<key>realtime_scheduling</key>
<value></value>
</param>
<param>
<key>run_command</key>
<value>{python} -u {filename}</value>
</param>
<param>
<key>run_options</key>
<value>run</value>
</param>
<param>
<key>run</key>
<value>True</value>
</param>
<param>
<key>sizing_mode</key>
<value>fixed</value>
</param>
<param>
<key>thread_safe_setters</key>
<value></value>
</param>
<param>
<key>title</key>
<value>Quetzal-1 Simplified Transmitter (w/ doppler)</value>
</param>
<param>
<key>placement</key>
<value>(0,0)</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(840, 12)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>bit_rate</value>
</param>
<param>
<key>value</key>
<value>4800</value>
</param>
</block>
<block>
<key>variable_qtgui_chooser</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>value</key>
<value>4</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(1120, 12)</value>
</param>
<param>
<key>gui_hint</key>
<value>0,0,1,3</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>choose_photo_cmd</value>
</param>
<param>
<key>label0</key>
<value>HTR CYCLE TIME 30</value>
</param>
<param>
<key>label1</key>
<value>HTR CYCLE TIME 240</value>
</param>
<param>
<key>label2</key>
<value></value>
</param>
<param>
<key>label3</key>
<value></value>
</param>
<param>
<key>label4</key>
<value></value>
</param>
<param>
<key>label</key>
<value>PHOTO COMMAND OPTIONS</value>
</param>
<param>
<key>labels</key>
<value>["HTR CYCLE TIME 30", "HTR CYCLE TIME 240", "CDHS CYCLE TIME 10", "CDHS CYCLE TIME 255", "PLD DISABLE", "PLD ENABLE", "PLD DOWNLOAD IMAGE", "PLD TAKE IMAGE", "PLD FULL OP"]</value>
</param>
<param>
<key>num_opts</key>
<value>0</value>
</param>
<param>
<key>option0</key>
<value>30</value>
</param>
<param>
<key>option1</key>
<value>240</value>
</param>
<param>
<key>option2</key>
<value>2</value>
</param>
<param>
<key>option3</key>
<value>3</value>
</param>
<param>
<key>option4</key>
<value>4</value>
</param>
<param>
<key>options</key>
<value>[0, 1, 2, 3, 4, 5, 6, 7, 8]</value>
</param>
<param>
<key>orient</key>
<value>Qt.QVBoxLayout</value>
</param>
<param>
<key>type</key>
<value>int</value>
</param>
<param>
<key>widget</key>
<value>radio_buttons</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(472, 12)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>freq</value>
</param>
<param>
<key>value</key>
<value>437200000</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(1016, 12)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>log</value>
</param>
<param>
<key>value</key>
<value>0</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(736, 12)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>mod_index</value>
</param>
<param>
<key>value</key>
<value>0.66667</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(920, 12)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>packet_len</value>
</param>
<param>
<key>value</key>
<value>0</value>
</param>
</block>
<block>
<key>variable_qtgui_push_button</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>value</key>
<value>0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(1320, 12)</value>
</param>
<param>
<key>gui_hint</key>
<value>7,0,1,3</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>ptt</value>
</param>
<param>
<key>label</key>
<value>Push To Talk</value>
</param>
<param>
<key>pressed</key>
<value>1</value>
</param>
<param>
<key>released</key>
<value>0</value>
</param>
<param>
<key>type</key>
<value>int</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(568, 12)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>samp_rate</value>
</param>
<param>
<key>value</key>
<value>4000000</value>
</param>
</block>
<block>
<key>variable</key>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(664, 12)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>sps</value>
</param>
<param>
<key>value</key>
<value>4</value>
</param>
</block>
<block>
<key>analog_sig_source_x</key>
<param>
<key>amp</key>
<value>1</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value>Used to shift
the DC peak
500 kHz away
from the signal.</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>freq</key>
<value>-100e3</value>
</param>
<param>
<key>_coordinate</key>
<value>(824, 616)</value>
</param>
<param>
<key>_rotation</key>
<value>180</value>
</param>
<param>
<key>id</key>
<value>analog_sig_source_x_0</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>offset</key>
<value>0</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>samp_rate</key>
<value>samp_rate</value>
</param>
<param>
<key>waveform</key>
<value>analog.GR_COS_WAVE</value>
</param>
</block>
<block>
<key>blocks_multiply_const_vxx</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>const</key>
<value>1</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(832, 812)</value>
</param>
<param>
<key>_rotation</key>
<value>180</value>
</param>
<param>
<key>id</key>
<value>blocks_multiply_const_vxx_0</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>blocks_multiply_xx</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value></value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(656, 712)</value>
</param>
<param>
<key>_rotation</key>
<value>180</value>
</param>
<param>
<key>id</key>
<value>blocks_multiply_xx_0</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>num_inputs</key>
<value>2</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>blocks_null_sink</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>bus_conns</key>
<value>[[0,],]</value>
</param>
<param>
<key>comment</key>
<value>Uncomment this
in case you don't
want to transmit
anything.</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(352, 936)</value>
</param>
<param>
<key>_rotation</key>
<value>180</value>
</param>
<param>
<key>id</key>
<value>blocks_null_sink_0</value>
</param>
<param>
<key>type</key>
<value>complex</value>
</param>
<param>
<key>num_inputs</key>
<value>1</value>
</param>
<param>
<key>vlen</key>
<value>1</value>
</param>
</block>
<block>
<key>blocks_pack_k_bits_bb</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value>Packs the bytes
for the GFSK Mod.</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(824, 492)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_pack_k_bits_bb_0</value>
</param>
<param>
<key>k</key>
<value>8</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
</block>
<block>
<key>blocks_pdu_to_tagged_stream</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value>Converts the message
data into a stream
of unpacked bytes.</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
<key>_coordinate</key>
<value>(184, 492)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>blocks_pdu_to_tagged_stream_0</value>
</param>
<param>
<key>type</key>
<value>byte</value>
</param>
<param>
<key>tag</key>
<value>packet_len</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
</block>
<block>
<key>digital_gfsk_mod</key>
<param>
<key>bt</key>
<value>0.5</value>
</param>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value>samples/symbol was
set to 4 because we
observed it worked.</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(1040, 476)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>digital_gfsk_mod_0</value>
</param>
<param>
<key>log</key>
<value>False</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>samples_per_symbol</key>
<value>sps</value>
</param>
<param>
<key>sensitivity</key>
<value>3.14159265*mod_index/sps</value>
</param>
<param>
<key>verbose</key>
<value>False</value>
</param>
</block>
<block>
<key>digital_scrambler_bb</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>comment</key>
<value>This corresponds to
a G3RUH scrambler
according to Estevez, D.</value>
</param>
<param>
<key>affinity</key>
<value></value>
</param>
<param>
<key>_enabled</key>
<value>1</value>
</param>
<param>
<key>_coordinate</key>
<value>(464, 476)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
<param>
<key>id</key>
<value>digital_scrambler_bb_0</value>
</param>
<param>
<key>len</key>
<value>16</value>
</param>
<param>
<key>mask</key>
<value>0x21</value>
</param>
<param>
<key>maxoutbuf</key>
<value>0</value>
</param>
<param>
<key>minoutbuf</key>
<value>0</value>
</param>
<param>
<key>seed</key>
<value>0</value>
</param>
</block>
<block>
<key>epy_block</key>
<param>
<key>alias</key>
<value></value>
</param>
<param>
<key>_io_cache</key>
<value>('Generate Command', 'msg_block', [('ptt', '0'), ('choose_photo_cmd', '4')], [('msg_in', 'message', 1)], [('msg_out', 'message', 1)], '\n\tThis block sends commands within a CSP frame when a message is received on the input.\n\tThis is a simplified version of the transmitter, optimized for photo downloads.\n\t\n\tInputs:\n\t- ptt: when 0, tx is off; when 1, tx is on.\n\t- choose_photo_cmd: contains the commands necessary to download a photo\n\n\tOutputs:\n\t- PMT type message containing a uint8 vector that contains the command encapsulated in the CSP frame.\n\t', ['choose_photo_cmd', 'ptt'])</value>
</param>
<param>
<key>choose_photo_cmd</key>
<value>choose_photo_cmd</value>
</param>
<param>
<key>_source_code</key>
<value>"""
Embedded Python Blocks:
Each time this file is saved, GRC will instantiate the first class it finds
to get ports and parameters of your block. The arguments to __init__ will
be the parameters. All of them are required to have default values!
"""
import numpy as np
import pylab
from gnuradio import gr
import pmt
import time
import serial
class msg_block(gr.basic_block): # other base classes are basic_block, decim_block, interp_block
"""
This block sends commands within a CSP frame when a message is received on the input.
This is a simplified version of the transmitter, optimized for photo downloads.
Inputs:
- ptt: when 0, tx is off; when 1, tx is on.
- choose_photo_cmd: contains the commands necessary to download a photo
Outputs:
- PMT type message containing a uint8 vector that contains the command encapsulated in the CSP frame.
"""
def __init__(self, ptt = 0, choose_photo_cmd = 4):
"""arguments to this function show up as parameters in GRC"""
gr.basic_block.__init__(
self,
name='Generate Command', # will show up in GRC
in_sig=None,
out_sig=None
)
#######################
# SERIAL PORT
#######################
# serial port is used to control the USB relay that controles the switch from RX to TX
# if /dev/ttyACM1 throws any errors, check to see if dialout is within your group permissions. Use:
# $ groups ${USER}
# $ sudo gpasswd --add ${USER} dialout
# UNCOMMENT THESE LINES WHEN USING THE RF RELAY IN THE GROUND CONTROL STATION
# SINCE THE RF RELAY IS CONTROLLED BY THE USB RELAY
self.ser = serial.Serial(
port='/dev/ttyUSB0',
baudrate=9600,
parity=serial.PARITY_NONE,
stopbits=serial.STOPBITS_ONE,
bytesize=serial.EIGHTBITS
)
#######################
# GUI VARIABLES
#######################
# if an attribute with the same name as a parameter is found,
# a callback is registered (properties work, too).
self.ptt = ptt
self.choose_photo_cmd = choose_photo_cmd
#######################
# CSP HEADER
#
# priority = 1
# source = 7
# destination = 1
# destination port = 25
# source port = 7
# reserved = 0
# HMAC = 0
# XTEA = 0
# RDP = 0
# CRC = 0
#######################
priority = int('{0:02b}'.format(1), 2)
source = int('{0:05b}'.format(7), 2)
destination = int('{0:05b}'.format(1), 2)
destination_port = int('{0:06b}'.format(25), 2)
source_port = int('{0:06b}'.format(7), 2)
reserved = int('{0:04b}'.format(0), 2)
hmac = int('{0:01b}'.format(0), 2)
xtea = int('{0:01b}'.format(0), 2)
RDP = int('{0:01b}'.format(0), 2)
CRC = int('{0:01b}'.format(0), 2)
CSP_header = (priority << 30) | (source << 25) | (destination << 20) | (destination_port << 14) | \
(source_port << 8) | (reserved << 4) | (hmac << 3) | (xtea << 2) | (RDP << 1) | CRC
self.csp_byte1 = np.array([CSP_header & 0xFF],np.uint8)
self.csp_byte2 = np.array([(CSP_header >> 8) & 0xFF],np.uint8)
self.csp_byte3 = np.array([(CSP_header >> 16) & 0xFF],np.uint8)
self.csp_byte4 = np.array([(CSP_header >> 24) & 0xFF],np.uint8)
#######################
# VERIFICATION CODES
#######################
# verification code is 0x6F, 0x5D
self.verByte1 = np.array([0x6f],np.uint8)
self.verByte2 = np.array([0x5d],np.uint8)
#######################
# SIMPLIFIED PHOTO CMD
# DICTIONARY
#######################
# simplified commands to capture photos
# 0 = HTR CYCLE TIME 30
# 1 = HTR CYCLE TIME 240
# 2 = CDHS CYCLE TIME 10
# 3 = CDHS CYCLE TIME 255
# 4 = PLD DISABLE
# 5 = PLD ENABLE
# 6 = PLD DOWNLOAD IMAGE
# 7 = PLD TAKE IMAGE
# 8 = PLD FULL OP
self.simplified_photo_cmds = {
0: [0xa9,0xaf,30],
1: [0xa9,0xaf,240],
2: [0xa9,0xa9,10],
3: [0xa9,0xa9,255],
4: [0xa9,0xbf,0],
5: [0xa9,0xbf,1],
6: [0xf9,0xa9],
7: [0xf9,0xaa],
8: [0xf9,0xab]
}
#######################
# CONFIG. MESSAGE
# PORT