PTT is working now, added fmrds modulation

kill.sh

@@ -1,2 +1,2 @@
 #!/bin/bash
-killall ssh.sh
+sudo killall rpitx pifmrds

main.py

@@ -5,7 +5,12 @@ import datetime
 import asyncio
 import os
 
-PTT_IS_ON = 0
+PTT_IS_ON = False
+modulations = {
+    "ssb":"./modulations/ssb.sh",
+    "fmrds":"./modulations/fmrds.sh"    
+}
+
 
 # init GPIO
 pi = pigpio.pi()
@@ -13,62 +18,36 @@ pi = pigpio.pi()
 pi.set_mode(10, pigpio.INPUT)
 
 async def run_command(*args):
-    """Run command in subprocess.
-
-    Example from:
-        http://asyncio.readthedocs.io/en/latest/subprocess.html
-    """
-    # Create subprocess
-    process = await asyncio.create_subprocess_exec(
-        *args, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE
-    )
-
-    # Status
+    process = await asyncio.create_subprocess_exec(*args, stdout=asyncio.subprocess.PIPE, stderr=asyncio.subprocess.PIPE)
     print("Started: %s, pid=%s" % (args, process.pid), flush=True)
 
-    # Wait for the subprocess to finish
-    stdout, stderr = asyncio.get_event_loop().create_task(process.communicate())
-
-    # Progress
-    if process.returncode == 0:
-        print(
-            "Done: %s, pid=%s, result: %s"
-            % (args, process.pid, stdout.decode().strip()),
-            flush=True,
-        )
-    else:
-        print(
-            "Failed: %s, pid=%s, result: %s"
-            % (args, process.pid, stderr.decode().strip()),
-            flush=True,
-        )
-
-    # Result
-    result = stdout.decode().strip()
-    asyncio.sleep(5)
-    
-    # Return stdout
-    return result
 
 async def button_press(gpio:int, level) -> bool:
     global PTT_IS_ON
     while True:
         if(pi.read(gpio)!=0):
-            PTT_IS_ON = 1
+            PTT_IS_ON = True
         if(pi.read(gpio)==0):
-            PTT_IS_ON = 0
+            PTT_IS_ON = False
         await asyncio.sleep(.5)
 
-async def main():
+async def main(mod, freq:float):
     asyncio.create_task(button_press(10, pigpio.EITHER_EDGE))
     global PTT_IS_ON
+    task_created = False 
+    print("Ready")
     while True:
-        if PTT_IS_ON == 1:
-            while PTT_IS_ON == 1:
-                await run_command("./ssb.sh")
-        else:
-            await run_command("./kill.sh")
+        if (PTT_IS_ON and not task_created):
+                asyncio.create_task(run_command(modulations[mod], str(freq)))
+                task_created = True
+        elif (task_created and not PTT_IS_ON):
+            await asyncio.sleep(1)
+            asyncio.create_task(run_command("./kill.sh"))
+            task_created = False
         await asyncio.sleep(.5)
 
 if __name__ == "__main__":
-    asyncio.run(main())
+    try:
+        asyncio.run(main("fmrds", 430))
+    except KeyboardInterrupt:
+        print("\n")

modulations/fmrds.sh

@@ -0,0 +1,2 @@
+#!/bin/sh
+arecord -q -c2 -t wav -f cd | sudo ./modulations/pifmrds -freq "$1" -audio -

modulations/ssb.sh

@@ -1,37 +1,11 @@
-#!/bin/sh
+#!/bin/bash
+echo $1
+echo $2
+#arecord -q -c2 -t wav -f dat | sudo rpitx -f $1 -i-  - -m $2 -s 48000
   
-# Pin logic
-#selecting pin
-
-GPIO=19
-
-# "Prepare" it, whatever that means, I just copied it from SO
-if [ ! -d /sys/class/gpio/gpio${GPIO} ]; then
-  echo "${GPIO}" > /sys/class/gpio/export
-fi
-echo "in" > /sys/class/gpio/gpio"${GPIO}"/direction
+arecord -q -c2 -t wav -f dat | sudo rpitx -i - -m RF -f "$1" -s 48000
 
 
 
-# old line
-#(while true; do cat sampleaudio.wav; done)
+# | 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 \  | sudo sendiq -i /dev/stdin -s 96000 -f 430000000 -t float e6  -l
 
-while true; do
-  	if  1 == "$(</sys/class/gpio/gpio"${GPIO}"/value)" ]; then
-		arecord -q -f cd -r 44100 -c2 -D hw:0,7 -t raw | 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 \  | sudo sendiq -i /dev/stdin -s 96000 -f "$1" -t float
-
-		# REMOVE THIS
-
-  	else
-		echo "Not pressed"
-
-# do arecord -l or arecord -L to find your audio card and change hw:0,7 to the corresponding value
-# maybe i just need to extract this command and put it in a subprocess... 🤔
-
-	fi
-	sleep .5
-done
-
-# this should work
-# screen will probably be operated using python, so all we need to do there is to killall ssb.sh, then run a new one with new freq async subproc
-# usage: bash ssb.sh "freq"