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Added S-meter

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This commit is contained in:
ha7ilm 2016-03-20 16:06:10 +01:00
parent 06bd8b92aa
commit 34bd5cceab
5 changed files with 183 additions and 73 deletions
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7
htdocs/index.wrx
View File

@ -108,8 +108,13 @@
<div class="openwebrx-button openwebrx-square-button" onclick="zoomOutOneStep();" title="Zoom out one step"> <img src="gfx/openwebrx-zoom-out.png" /></div>
<div class="openwebrx-button openwebrx-square-button" onclick="zoomInTotal();" title="Zoom in totally"><img src="gfx/openwebrx-zoom-in-total.png" /></div>
<div class="openwebrx-button openwebrx-square-button" onclick="zoomOutTotal();" title="Zoom out totally"><img src="gfx/openwebrx-zoom-out-total.png" /></div>
<div id="openwebrx-smeter-db">0 dB</div>
</div>
<div class="openwebrx-panel-line">
<div id="openwebrx-smeter-outer">
<div id="openwebrx-smeter-bar"></div>
</div>
</div>
</div>
<div class="openwebrx-panel" id="openwebrx-panel-log" data-panel-name="debug" data-panel-pos="left" data-panel-order="1" data-panel-size="619,142">

35
htdocs/openwebrx.css
View File

@ -36,7 +36,7 @@ input
input[type=range]
{
-webkit-appearance: none;
margin: 10px 0;
margin: 0 0;
}
input[type=range]:focus
{
@ -745,3 +745,36 @@ img.openwebrx-mirror-img
{
padding-top: 5px;
}
#openwebrx-smeter-outer
{
border-color: #888;
border-style: solid;
border-width: 0px;
width: 255px;
height: 7px;
background-color: #373737;
border-radius: 3px;
position: relative;
}
#openwebrx-smeter-bar
{
transition: all 0.2s linear;
width: 0px;
height: 7px;
background: linear-gradient(to top, #ff5939 , #961700);
position: absolute;
margin: 0; padding: 0; left: 0;
border-radius: 3px;
}
#openwebrx-smeter-db
{
color: #aaa;
display: inline-block;
font-size: 10pt;
float: right;
margin-right: 5px;
margin-top: 29px;
font-family: 'expletus-sans-medium';
}

34
htdocs/openwebrx.js
View File

@ -178,6 +178,36 @@ function waterfallColorsAuto()
updateWaterfallColors(0);
}
function setSmeterRelativeValue(value)
{
if(value<0) value=0;
if(value>1.0) value=1.0;
var bar=e("openwebrx-smeter-bar");
var outer=e("openwebrx-smeter-outer");
bar.style.width=(outer.offsetWidth*value).toString()+"px";
bgRed="linear-gradient(to top, #ff5939 , #961700)";
bgGreen="linear-gradient(to top, #22ff2f , #008908)";
bgYellow="linear-gradient(to top, #fff720 , #a49f00)";
bar.style.background=(value>0.9)?bgRed:((value>0.7)?bgYellow:bgGreen);
//bar.style.backgroundColor=(value>0.9)?"#ff5939":((value>0.7)?"#fff720":"#22ff2f");
}
function getLogSmeterValue(value)
{
return 10*Math.log10(value);
}
function setSmeterAbsoluteValue(value) //the value that comes from `csdr squelch_and_smeter_cc`
{
var logValue=getLogSmeterValue(value);
var lowLevel=waterfall_min_level-20;
var highLevel=waterfall_max_level+20;
var percent=(logValue-lowLevel)/(highLevel-lowLevel);
setSmeterRelativeValue(percent);
e("openwebrx-smeter-db").innerHTML=logValue.toFixed(1)+" dB";
}
// ========================================================
// ================= ANIMATION ROUTINES =================
// ========================================================
@ -1145,6 +1175,10 @@ function on_ws_recv(evt)
case "max_clients":
max_clients_num=parseInt(param[1]);
break;
case "s":
smeter_level=parseFloat(param[1]);
setSmeterAbsoluteValue(smeter_level);
break;
}
}
/*}

13
openwebrx.py
View File

@ -460,6 +460,16 @@ class WebRXHandler(BaseHTTPRequestHandler):
# (it seems GNU Radio exchanges the first and second part of the FFT output, we correct it)
rxws.send(self, spectrum_data[0],"FFT ")
# ========= send smeter_level =========
smeter_level=None
while True:
try:
smeter_level=dsp.get_smeter_level()
if smeter_level == None: break
except:
break
if smeter_level!=None: rxws.send(self, "MSG s={0}".format(smeter_level))
# ========= send bcastmsg =========
if myclient.bcastmsg!="":
rxws.send(self,myclient.bcastmsg)
@ -486,6 +496,8 @@ class WebRXHandler(BaseHTTPRequestHandler):
new_bpf[1]=int(param_value)
elif param_name == "offset_freq" and -cfg.samp_rate/2 <= float(param_value) <= cfg.samp_rate/2:
dsp.set_offset_freq(int(param_value))
elif param_name == "squelch_level" and float(param_value) >= 0:
dsp.set_squelch_level(float(param_value))
elif param_name=="mod":
if (dsp.get_demodulator()!=param_value):
if dsp_initialized: dsp.stop()
@ -622,4 +634,3 @@ def get_cpu_usage():
if __name__=="__main__":
main()

51
plugins/dsp/csdr/plugin.py
View File

@ -25,6 +25,7 @@ import time
import os
import code
import signal
import fcntl
class dsp_plugin:
@ -49,6 +50,7 @@ class dsp_plugin:
self.csdr_dynamic_bufsize = False
self.csdr_print_bufsizes = False
self.csdr_through = False
self.squelch_level = 0
def chain(self,which):
any_chain_base="ncat -v 127.0.0.1 {nc_port} | "
@ -61,7 +63,7 @@ class dsp_plugin:
return fft_chain_base+" | csdr compress_fft_adpcm_f_u8 {fft_size}"
else:
return fft_chain_base
chain_begin=any_chain_base+"csdr shift_addition_cc --fifo {shift_pipe} | csdr fir_decimate_cc {decimation} {ddc_transition_bw} HAMMING | csdr bandpass_fir_fft_cc --fifo {bpf_pipe} {bpf_transition_bw} HAMMING | "
chain_begin=any_chain_base+"csdr shift_addition_cc --fifo {shift_pipe} | csdr fir_decimate_cc {decimation} {ddc_transition_bw} HAMMING | csdr bandpass_fir_fft_cc --fifo {bpf_pipe} {bpf_transition_bw} HAMMING | csdr squelch_and_smeter_cc --fifo {squelch_pipe} --outfifo {smeter_pipe} 5 1 | "
chain_end = ""
if self.audio_compression=="adpcm":
chain_end = " | csdr encode_ima_adpcm_i16_u8"
@ -137,6 +139,17 @@ class dsp_plugin:
def get_bpf(self):
return [self.low_cut, self.high_cut]
def set_squelch_level(self, squelch_level):
self.squelch_level=squelch_level
if self.running:
self.squelch_pipe_file.write( "%g\n"%(float(self.squelch_level)) )
self.squelch_pipe_file.flush()
def get_smeter_level(self):
if self.running:
line=self.smeter_pipe_file.readline()
return float(line[:-1])
def mkfifo(self,path):
try:
os.unlink(path)
@ -152,19 +165,26 @@ class dsp_plugin:
#create control pipes for csdr
pipe_base_path="/tmp/openwebrx_pipe_{myid}_".format(myid=id(self))
self.bpf_pipe = self.shift_pipe = None
self.bpf_pipe = self.shift_pipe = self.squelch_pipe = self.smeter_pipe = None
if "{bpf_pipe}" in command_base:
self.bpf_pipe=pipe_base_path+"bpf"
self.mkfifo(self.bpf_pipe)
if "{shift_pipe}" in command_base:
self.shift_pipe=pipe_base_path+"shift"
self.mkfifo(self.shift_pipe)
if "{squelch_pipe}" in command_base:
self.squelch_pipe=pipe_base_path+"squelch"
self.mkfifo(self.squelch_pipe)
if "{smeter_pipe}" in command_base:
self.smeter_pipe=pipe_base_path+"smeter"
self.mkfifo(self.smeter_pipe)
#run the command
command=command_base.format( bpf_pipe=self.bpf_pipe, shift_pipe=self.shift_pipe, decimation=self.decimation, \
last_decimation=self.last_decimation, fft_size=self.fft_size, fft_block_size=self.fft_block_size(), \
bpf_transition_bw=float(self.bpf_transition_bw)/self.if_samp_rate(), ddc_transition_bw=self.ddc_transition_bw(), \
flowcontrol=int(self.samp_rate*2), start_bufsize=self.base_bufsize*self.decimation, nc_port=self.nc_port)
flowcontrol=int(self.samp_rate*2), start_bufsize=self.base_bufsize*self.decimation, nc_port=self.nc_port, \
squelch_pipe=self.squelch_pipe, smeter_pipe=self.smeter_pipe )
print "[openwebrx-dsp-plugin:csdr] Command =",command
#code.interact(local=locals())
@ -181,6 +201,12 @@ class dsp_plugin:
if self.shift_pipe != None:
self.shift_pipe_file=open(self.shift_pipe,"w")
self.set_offset_freq(self.offset_freq)
if self.squelch_pipe != None:
self.squelch_pipe_file=open(self.squelch_pipe,"w")
self.set_squelch_level(self.squelch_level)
if self.smeter_pipe != None:
self.smeter_pipe_file=open(self.smeter_pipe,"r")
fcntl.fcntl(self.smeter_pipe_file, fcntl.F_SETFL, os.O_NONBLOCK)
def read(self,size):
return self.process.stdout.read(size)
@ -195,15 +221,17 @@ class dsp_plugin:
#
# time.sleep(0.1)
if self.bpf_pipe:
try:
os.unlink(self.bpf_pipe)
except:
print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.bpf_pipe
try: os.unlink(self.bpf_pipe)
except: print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.bpf_pipe
if self.shift_pipe:
try:
os.unlink(self.shift_pipe)
except:
print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.bpf_pipe
try: os.unlink(self.shift_pipe)
except: print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.shift_pipe
if self.squelch_pipe:
try: os.unlink(self.squelch_pipe)
except: print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.squelch_pipe
if self.smeter_pipe:
try: os.unlink(self.smeter_pipe)
except: print "[openwebrx-dsp-plugin:csdr] stop() :: unlink failed: " + self.smeter_pipe
self.running = False
def restart(self):
@ -213,4 +241,3 @@ class dsp_plugin:
def __del__(self):
self.stop()
del(self.process)