From d51546ca2a318efa5a2817d69853c948645b312b Mon Sep 17 00:00:00 2001 From: alanbjohnston Date: Wed, 2 Jun 2021 13:08:41 -0400 Subject: [PATCH 1/3] replaced rpitx with touch ready to signal rpitx.py --- afsk/main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/afsk/main.c b/afsk/main.c index ae573d4b..913e9899 100644 --- a/afsk/main.c +++ b/afsk/main.c @@ -869,7 +869,8 @@ void get_tlm(void) { char header_long[10]; char header_str4[] = "hi hi "; char footer_str1[] = "\' > t.txt && echo \'"; - char footer_str[] = ">CQ:010101/hi hi ' >> t.txt && gen_packets -o telem.wav t.txt -r 48000 > /dev/null 2>&1 && cat telem.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1"; +// char footer_str[] = ">CQ:010101/hi hi ' >> t.txt && gen_packets -o telem.wav t.txt -r 48000 > /dev/null 2>&1 && cat telem.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1"; + char footer_str[] = ">CQ:010101/hi hi ' >> t.txt && touch ready"; // transmit is done by rpitx.py if (ax5043) { strcpy(str, header_str); From 91a09ab758c81ce7f519d77ff0bf66e0264b0fd0 Mon Sep 17 00:00:00 2001 From: alanbjohnston Date: Wed, 2 Jun 2021 13:12:00 -0400 Subject: [PATCH 2/3] added APRS rpitx based on file ready --- rpitx.py | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) diff --git a/rpitx.py b/rpitx.py index 1db4dbb2..86a628e7 100644 --- a/rpitx.py +++ b/rpitx.py @@ -48,7 +48,13 @@ if __name__ == "__main__": if (('a' == sys.argv[1]) or ('afsk' in sys.argv[1])): print("AFSK") while True: - time.sleep(5) + try: + f = open("ready") + os.system("gen_packets -o telem.wav t.txt -r 48000 > /dev/null 2>&1 && cat telem.wav | csdr convert_i16_f | csdr gain_ff 7000 | csdr convert_f_samplerf 20833 | sudo /home/pi/rpitx/rpitx -i- -m RF -f 434.9e3 > /dev/null 2>&1") + os.system("rm ready") + time.sleep(0.5) + except: + time.sleep(0.5) elif (('s' == sys.argv[1]) or ('sstv' in sys.argv[1])): print("SSTV") GPIO.output(txLed, txLedOn); From 646f0457d7335f6d619c5dba464635a55bc8dea1 Mon Sep 17 00:00:00 2001 From: alanbjohnston Date: Wed, 2 Jun 2021 13:45:42 -0400 Subject: [PATCH 3/3] added sleep(2) in place of rpitx --- afsk/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/afsk/main.c b/afsk/main.c index 913e9899..e9acbc31 100644 --- a/afsk/main.c +++ b/afsk/main.c @@ -1005,6 +1005,7 @@ void get_tlm(void) { if (transmit) { FILE * file2 = popen(str, "r"); pclose(file2); + sleep(2); } else { fprintf(stderr, "\nNo CubeSatSim Band Pass Filter detected. No transmissions after the CW ID.\n"); fprintf(stderr, " See http://cubesatsim.org/wiki for info about building a CubeSatSim\n\n");