add stuff

Not_working_with_v2/setTime.py

@@ -0,0 +1,190 @@
+#!/usr/bin/env python
+# encoding: utf-8
+
+"""
+inspired by https://github.com/CodingGhost/DCF77-Transmitter
+
+reference
+https://en.wikipedia.org/wiki/DCF77
+
+"""
+import argparse
+from ctypes import *
+import datetime
+import logging
+import os
+import struct
+from subprocess import call
+import tempfile
+
+logging.basicConfig()
+logger = logging.getLogger(__name__)
+
+
+class Sample(Structure):
+    '''
+    Helper for writing binary data to RFA file
+    '''
+    _fields_ = [("amplitude", c_double), ("timing", c_uint)]
+
+    def __init__(self, amplitude, timing):
+        self.amplitude = amplitude
+        self.timing = timing
+
+
+class Dcf77(object):
+    '''
+    Utility for working dcf77 standard
+    https://en.wikipedia.org/wiki/DCF77
+    '''
+
+    BASE = [1, 2, 4, 8, 10, 20, 40, 80]
+
+    @staticmethod
+    def int_to_bcd(value, num_bits):
+        """
+
+        """
+        bits = []
+        for base in reversed(Dcf77.BASE[:num_bits]):
+            if value >= base:
+                bits.append("1")
+                value -= base
+            else:
+                bits.append("0")
+        return "".join(reversed(bits))
+
+    @staticmethod
+    def add_crc(value, odd=True):
+        num = value.count("1")
+        p = num % 2
+        if((p == 1) and odd) or (p == 0 and not odd):
+            return "%s1" % value
+        else:
+            return "%s0" % value
+
+    @classmethod
+    def to_dcf77(cls, data):
+        '''
+        Convert datetime to list of bit in dcf77 encoding
+        see https://en.wikipedia.org/wiki/DCF77
+
+        :param data: datetime.datetime 
+        '''
+        time_code = ["0",  # start of minute
+                     "11111111100000",  # wheather, warnngs or other data
+                     "1",  # Abnormal transmitter / backup antenna
+                     "0",  # Summer time announcement
+                     ]
+
+        time_code.append("00")  # cest and cet bit
+        time_code.append("0")  # leap second
+        time_code.append("1")  # start encoding time
+
+        time_code.append(cls.add_crc(cls.int_to_bcd(data.minute, 7)))
+        time_code.append(cls.add_crc(cls.int_to_bcd(data.hour, 6)))
+        date = [cls.int_to_bcd(data.day, 6), ]
+        date.append(cls.int_to_bcd(data.weekday() + 1, 3))
+        date.append(cls.int_to_bcd(data.month, 5))
+        date.append(cls.int_to_bcd(data.year - 2000, 8))
+        time_code.append(cls.add_crc("".join(date)))
+
+        return "".join(time_code)
+
+    @staticmethod
+    def modulate(encoded, UP=32767, DOWN=0):
+        '''
+        dcf77 modulation
+        1 bit per second
+        0.1 sec down = 0
+        0.2 sec down = 1
+        1 sec up = end of second
+
+        return generator of tuple returning (value, time in milliseconds)
+
+        :param encoded: sequence of 01 representing message
+        :param UP:  value for 100% modulation
+        :param DOWN: value for 15% modulation
+                     I do not know why, but 0 seems to work
+        '''
+
+        for value in encoded:
+
+            if value in ("0", 0):
+                yield (DOWN, 100000000)
+                yield (UP, 900000000)
+            elif value in ("1", 1):
+                yield (DOWN, 200000000)
+                yield (UP, 800000000)
+            else:
+                raise ValueError("Only 0|1")
+        # last second no modulation
+        yield (UP, 1000000000)
+
+
+if __name__ == "__main__":
+
+    parser = argparse.ArgumentParser(
+        description="Call rpitx to set dcf77 clock",
+        epilog="default wire on GPIO 18 ( pin 12) and 5 minutes of transmission")
+    parser.add_argument("-v", "--verbose", help="increase output verbosity",
+                        action="store_true")
+    parser.add_argument("-4", "--gpio4", help="wire on GPIO 4 ( pin 7)",
+                        action="store_true")
+    parser.add_argument("-n", "--nums", help="number of minutes  of transmission",
+                        type=int,
+                        default=5)
+    args = parser.parse_args()
+
+    if args.verbose:
+        logger.setLevel(logging.DEBUG)
+
+    NUMS = args.nums  # transmit for NUMS minutes
+    now = datetime.datetime.now()
+    # tolgo secondi per arrivare a inizio minuto
+    # aggiungo 1 per arrivare a prossimo minuto
+    # aggiungo 1 perchè ad ogni minuto, comunico il minuto dopo
+    start = now - datetime.timedelta(microseconds=now.microsecond,  # start of current minute
+                                     seconds=now.second) + \
+        datetime.timedelta(minutes=1)  # start of next minute
+
+    if now.second >= 58:
+        # not enougth time, add one more minute
+        start = start + datetime.timedelta(minutes=1)
+
+    filename = None
+    with tempfile.NamedTemporaryFile("wb", delete=False) as f:
+        filename = f.name
+
+        for i in range(1, NUMS + 1):
+            # i start with 1 because now whi transmit next minute ( now+1
+            # minute)
+            data = start + datetime.timedelta(minutes=i)
+            encoded = Dcf77.to_dcf77(data)
+
+            logger.debug("%s -> %s", data, encoded)
+
+            for amplitude, timing in Dcf77.modulate(encoded):
+                sample = Sample(amplitude, timing)
+                f.write(sample)
+                logger.debug("%s, %s", amplitude, timing)
+
+    print "waiting %s for syncronization..." % start
+    while True:
+        # whaiting for start of minute
+        if datetime.datetime.now() >= start:
+            break
+    cmd = ["sudo", "./rpitx", "-m", "RFA", "-i",
+           filename, "-f", "77.500"]
+    if args.gpio4:
+        cmd.extend(["-c", "1"])
+    logger.debug(cmd)
+
+    ret = call(cmd)
+    logger.debug("ret = %s", ret)
+    if ret == 0:
+        print "End of transmission, hope your clock is set."
+    else:
+        print "Something got wrong, check for errors"
+    if filename is not None:
+        os.remove(filename)

Not_working_with_v2/setup.py

@@ -0,0 +1,32 @@
+"""Setup for rpitx."""
+
+from setuptools import setup, Extension
+
+setup(
+    name='rpitx',
+    version='0.2',
+    description='Raspyberry Pi radio transmitter',
+    author='Brandon Skari',
+    author_email='[email protected]',
+    url='https://github.com/F5OEO/rpitx',
+    ext_modules=[
+        Extension(
+            '_rpitx',
+            [
+                'src/RpiDma.c',
+                'src/RpiGpio.c',
+                'src/RpiTx.c',
+                'src/mailbox.c',
+                'src/python/_rpitxmodule.c',
+                'src/raspberry_pi_revision.c',
+                ],
+            extra_link_args=['-lrt', '-lsndfile'],
+            ),
+        ],
+    packages=['rpitx'],
+    package_dir={'': 'src/python'},
+    install_requires=[
+        'ffmpegwrapper==0.1-dev',
+        'pypi-libavwrapper',
+        ],
+    )

easytest.sh

@@ -0,0 +1,119 @@
+#!/bin/sh
+
+status="0"
+OUTPUT_FREQ=434.0
+LAST_ITEM="0 Tune"
+do_freq_setup()
+{
+
+if FREQ=$(whiptail --inputbox "Choose output Frequency (in MHz) Default is 434 MHz" 8 78 $OUTPUT_FREQ --title "Rpitx transmit Frequency" 3>&1 1>&2 2>&3); then
+    OUTPUT_FREQ=$FREQ
+fi
+
+}
+
+do_stop_transmit()
+{
+	sudo killall tune 2>/dev/null
+	sudo killall pichirp 2>/dev/null
+	sudo killall spectrumpaint 2>/dev/null
+	sudo killall pifmrds 2>/dev/null
+	sudo killall sendiq 2>/dev/null
+	sudo killall pocsag 2>/dev/null
+	sudo killall piopera 2>/dev/null
+	sudo killall rpitx 2>/dev/null
+	sudo killall freedv 2>/dev/null
+	sudo killall pisstv 2>/dev/null
+	sudo killall csdr 2>/dev/null
+	sudo killall pirtty 2>/dev/null
+
+	case "$menuchoice" in
+
+			0\ *) sudo killall testvfo.sh >/dev/null 2>/dev/null ;;
+			1\ *) sudo killall testvfo.sh >/dev/null 2>/dev/null ;;
+			2\ *) sudo killall testspectrum.sh >/dev/null 2>/dev/null ;; 
+			3\ *) sudo killall snap2spectrum.sh >/dev/null 2>/dev/null ;;
+			4\ *) sudo killall  testfmrds.sh >/dev/null 2>/dev/null ;;
+			5\ *) sudo killall testnfm.sh >/dev/null 2>/dev/null ;;
+			6\ *) sudo killall testssb.sh >/dev/null 2>/dev/null ;;
+			7\ *) sudo killall testam.sh >/dev/null 2>/dev/null ;;
+			8\ *) sudo killall testfreedv.sh >/dev/null 2>/dev/null ;;
+			9\ *) sudo killall testsstv.sh >/dev/null 2>/dev/null ;;
+			10\ *) sudo killall testpocsag.sh >/dev/null 2>/dev/null ;;
+			11\ *) sudo killall testopera.sh >/dev/null 2>/dev/null ;;
+			12\ *) sudo killall testrtty.sh >/dev/null 2>/dev/null ;;
+
+	esac		
+}
+
+do_status()
+{
+	 LAST_ITEM="$menuchoice"
+	whiptail --title "Transmit ""$LAST_ITEM"" on ""$OUTPUT_FREQ"" MHz" --msgbox "Transmitting" 8 78
+	do_stop_transmit
+}
+
+
+do_freq_setup
+
+ while [ "$status" -eq 0 ]
+    do
+
+ menuchoice=$(whiptail --default-item "$LAST_ITEM" --title "Rpitx on ""$OUTPUT_FREQ"" MHz" --menu "Range frequency : 50kHz-1GHz. Choose your test" 20 82 12 \
+ 	"F Set frequency" "Modify frequency (actual $OUTPUT_FREQ MHz)" \
+	"0 Tune" "Carrier" \
+    "1 Chirp" "Moving carrier" \
+	"2 Spectrum" "Spectrum painting" \
+	"3 RfMyFace" "Snap with Raspicam and RF paint" \
+	"4 FmRds" "Broadcast modulation with RDS" \
+	"5 NFM" "Narrow band FM" \
+	"6 SSB" "Upper Side Band modulation" \
+	"7 AM" "Amplitude Modulation (Poor quality)" \
+	"8 FreeDV" "Digital voice mode 800XA" \
+	"9 SSTV" "Pattern picture" \
+	"10 Pocsag" "Pager message" \
+    "11 Opera" "Like morse but need Opera decoder" \
+    "12 RTTY" "Radioteletype" \
+ 	3>&2 2>&1 1>&3)
+		RET=$?
+		if [ $RET -eq 1 ]; then
+    		exit 0
+		elif [ $RET -eq 0 ]; then
+			case "$menuchoice" in
+			F\ *) do_freq_setup ;;
+			0\ *) "./testvfo.sh" "$OUTPUT_FREQ""e6" >/dev/null 2>/dev/null &
+			do_status;;
+			1\ *) "./testchirp.sh" "$OUTPUT_FREQ""e6" >/dev/null 2>/dev/null &
+			do_status;;
+			2\ *) "./testspectrum.sh" "$OUTPUT_FREQ""e6" >/dev/null 2>/dev/null &
+			do_status;;
+			3\ *) "./snap2spectrum.sh" "$OUTPUT_FREQ""e6" >/dev/null 2>/dev/null &
+			do_status;;
+			4\ *) "./testfmrds.sh" "$OUTPUT_FREQ" >/dev/null 2>/dev/null &
+			do_status;;
+			5\ *) "./testnfm.sh" "$OUTPUT_FREQ""e3" >/dev/null 2>/dev/null &
+			do_status;;
+			6\ *) "./testssb.sh" "$OUTPUT_FREQ""e6" >/dev/null 2>/dev/null &
+			do_status;;
+			7\ *) "./testam.sh" "$OUTPUT_FREQ""e3" >/dev/null 2>/dev/null &
+			do_status;;
+			8\ *) "./testfreedv.sh" "$OUTPUT_FREQ""e6" >/dev/null 2>/dev/null &
+			do_status;;
+			9\ *) "./testsstv.sh" "$OUTPUT_FREQ""e6">/dev/null 2>/dev/null &
+			do_status;;
+			10\ *) "./testpocsag.sh" "$OUTPUT_FREQ""e6">/dev/null 2>/dev/null &
+			do_status;;
+			11\ *) "./testopera.sh" "$OUTPUT_FREQ""e6">/dev/null 2>/dev/null &
+			do_status;;
+			12\ *) "./testrtty.sh" "$OUTPUT_FREQ""e6">/dev/null 2>/dev/null &
+			do_status;;
+			*)	 status=1
+			whiptail --title "Bye bye" --msgbox "Thx for using rpitx" 8 78
+			;;
+			esac
+		else
+			exit 1
+		fi
+    done
+	exit 0
+

fifohost.py

@@ -0,0 +1,26 @@
+import socket
+import os
+fifo_path = "rds_ctl"
+if not os.path.exists(fifo_path): os.mkfifo(fifo_path)
+server_ip = "0.0.0.0"  # Change this to the appropriate IP address
+server_port = 9997     # Change this to the appropriate port
+server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+server.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
+server.bind((server_ip, server_port))
+server.listen(1)
+print("R27 NRDSOS 1.1 (THIS IS A INTERNAL APP USED IN R27'S INTERNAL RDS SERVICE)")
+print("Listening for incoming connections...")
+while True:
+    client, client_address = server.accept()
+    print(f"Connection from {client_address}")
+    while True:
+        try:
+            # Read data from the client
+            data = client.recv(1024).decode('utf-8')
+            if data:
+                print(f"Received: {data}")
+                with open(fifo_path, "w") as fifo: fifo.write(data)
+        except Exception as e:
+            print(f"Error: {e}")
+            break
+server.close()

fm2ssb.sh

@@ -0,0 +1,8 @@
+#!/bin/sh
+
+echo "FREQ_IN=value-in_MHz GAIN=value-0_to_45 FREQ_OUT=value-in_MHz fm2ssb"
+rtl_fm -f "$FREQ_IN" -s 250k -r 48k -g "$GAIN" - | csdr convert_i16_f \
+  | csdr fir_interpolate_cc 2 | csdr dsb_fc \
+  | csdr bandpass_fir_fft_cc 0.002 0.06 0.01 | csdr fastagc_ff | buffer \
+  | sudo ./sendiq -i /dev/stdin -s 96000 -f "$FREQ_OUT" -t float
+# | sox -traw -r48k -es -b16 - -c1 -r 48k -traw -