FreeCalypso > hg > fc-rfcal-tools
annotate autocal/vcxomeas.c @ 90:713749548df6
fc-rfcal-tri900 script and fc-rfcal-tee helper implemented
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Mon, 17 Jul 2017 05:51:31 +0000 |
parents | 5226dbaa5333 |
children | b06532c9642f |
rev | line source |
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0b6881281d86
fc-rfcal-vcxo ready for first test
Mychaela Falconia <falcon@freecalypso.org>
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1 /* |
0b6881281d86
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2 * This module contains the frequency measurement code for fc-rfcal-vcxo. |
0b6881281d86
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Mychaela Falconia <falcon@freecalypso.org>
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3 */ |
0b6881281d86
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Mychaela Falconia <falcon@freecalypso.org>
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4 |
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5 #include <stdio.h> |
0b6881281d86
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6 #include <stdlib.h> |
0b6881281d86
fc-rfcal-vcxo ready for first test
Mychaela Falconia <falcon@freecalypso.org>
parents:
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7 #include <unistd.h> |
0b6881281d86
fc-rfcal-vcxo ready for first test
Mychaela Falconia <falcon@freecalypso.org>
parents:
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8 #include <rvinterf/l1tm.h> |
0b6881281d86
fc-rfcal-vcxo ready for first test
Mychaela Falconia <falcon@freecalypso.org>
parents:
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9 #include <rvinterf/exitcodes.h> |
0b6881281d86
fc-rfcal-vcxo ready for first test
Mychaela Falconia <falcon@freecalypso.org>
parents:
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10 |
0b6881281d86
fc-rfcal-vcxo ready for first test
Mychaela Falconia <falcon@freecalypso.org>
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11 extern char tsid_response[]; |
0b6881281d86
fc-rfcal-vcxo ready for first test
Mychaela Falconia <falcon@freecalypso.org>
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12 |
0b6881281d86
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Mychaela Falconia <falcon@freecalypso.org>
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13 float |
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14 vcxo_freq_meas(dac, hint) |
0b6881281d86
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15 int dac; |
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Mychaela Falconia <falcon@freecalypso.org>
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16 char *hint; |
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Mychaela Falconia <falcon@freecalypso.org>
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17 { |
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18 char cmd[80]; |
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19 double meas; |
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Mychaela Falconia <falcon@freecalypso.org>
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20 |
0b6881281d86
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21 printf("Performing frequency measurement at DAC=%d (%s)\n", dac, hint); |
0b6881281d86
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Mychaela Falconia <falcon@freecalypso.org>
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22 do_rfpw(AFC_DAC_VALUE, dac); |
0b6881281d86
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23 usleep(80000); |
0b6881281d86
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24 sprintf(cmd, "freq-meas %s\n", hint); |
0b6881281d86
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Mychaela Falconia <falcon@freecalypso.org>
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25 tsid_command(cmd); |
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5226dbaa5333
autocal/vcxomeas.c: brown paper bag
Mychaela Falconia <falcon@freecalypso.org>
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26 meas = atof(tsid_response + 1); |
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Mychaela Falconia <falcon@freecalypso.org>
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27 printf("Measured frequency offset %.2f Hz\n", meas); |
0b6881281d86
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Mychaela Falconia <falcon@freecalypso.org>
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28 return(meas); |
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Mychaela Falconia <falcon@freecalypso.org>
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29 } |