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Optimizing LabSat Source

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This commit is contained in:
Javier Arribas 2019-05-06 12:55:32 +02:00
parent c3840ce75f
commit f2baf32e3f
1 changed files with 15 additions and 5 deletions
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20
src/algorithms/signal_source/gnuradio_blocks/labsat23_source.cc
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@ -147,24 +147,28 @@ void labsat23_source::decode_samples_one_channel(int16_t input_short, gr_complex
// bits per sample, 4 samples per int16 // bits per sample, 4 samples per int16
for (int i = 0; i < 4; i++) for (int i = 0; i < 4; i++)
{ {
out[i] = gr_complex(0.0, 0.0); //out[i] = gr_complex(0.0, 0.0);
// In-Phase // In-Phase
if (bs[15 - 4 * i]) if (bs[15 - 4 * i])
{ {
if (bs[13 - 4 * i]) // 11 if (bs[13 - 4 * i]) // 11
{ {
out[i] += gr_complex(-1, 0); out[i] = gr_complex(-1, 0);
} }
else // 10 else // 10
{ {
out[i] += gr_complex(-2, 0); out[i] = gr_complex(-2, 0);
} }
} }
else else
{ {
if (bs[13 - 4 * i]) // 01 if (bs[13 - 4 * i]) // 01
{ {
out[i] += gr_complex(1, 0); out[i] = gr_complex(2, 0);
}
else
{
out[i] = gr_complex(1, 0);
} }
} }
@ -183,11 +187,15 @@ void labsat23_source::decode_samples_one_channel(int16_t input_short, gr_complex
else else
{ {
if (bs[12 - 4 * i]) // 01 if (bs[12 - 4 * i]) // 01
{
out[i] += gr_complex(0, 2);
}
else
{ {
out[i] += gr_complex(0, 1); out[i] += gr_complex(0, 1);
} }
} }
out[i] += gr_complex(0.5, 0.5); //out[i] += gr_complex(0.5, 0.5);
} }
break; break;
} }
@ -412,6 +420,7 @@ int labsat23_source::general_work(int noutput_items,
{ {
case 0: case 0:
// dual channel 2 bits per complex sample // dual channel 2 bits per complex sample
//todo: implement dual channel reader
break; break;
default: default:
// single channel 2 bits per complex sample (1 bit I + 1 bit Q, 8 samples per int16) // single channel 2 bits per complex sample (1 bit I + 1 bit Q, 8 samples per int16)
@ -473,6 +482,7 @@ int labsat23_source::general_work(int noutput_items,
{ {
case 0: case 0:
// dual channel // dual channel
//todo: implement dual channel reader
break; break;
default: default:
// single channel 4 bits per complex sample (2 bit I + 2 bit Q, 4 samples per int16) // single channel 4 bits per complex sample (2 bit I + 2 bit Q, 4 samples per int16)