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comparison autocal/txbasis.c @ 81:83b24a1dfd4a

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fc-rfcal-txband: implemented the slope computations after basis run
author Mychaela Falconia <falcon@freecalypso.org>
date Sat, 15 Jul 2017 21:34:29 +0000
parents b0da2db4e36b
children b0618796d28d
comparison
equal deleted inserted replaced
80:b0da2db4e36b 81:83b24a1dfd4a
27 27
28 for (n = 0; n < num_basis_points; n++) { 28 for (n = 0; n < num_basis_points; n++) {
29 do_txpw(TX_APC_DAC, tx_basis[n].apc); 29 do_txpw(TX_APC_DAC, tx_basis[n].apc);
30 usleep(20000); 30 usleep(20000);
31 meas = tx_power_meas(); 31 meas = tx_power_meas();
32 printf("APC DAC=%d: %.2f dBm\n", tx_basis[n].apc, meas); 32 printf("APC DAC=%u: %.2f dBm\n", tx_basis[n].apc, meas);
33 tx_basis[n].vout = dbm_to_vout(meas); 33 tx_basis[n].vout = dbm_to_vout(meas);
34 } 34 }
35 35
36 printf("Stopping RF Tx on the DUT\n"); 36 printf("Stopping RF Tx on the DUT\n");
37 do_rfe(STOP_ALL); 37 do_rfe(STOP_ALL);
38 return(0); 38 return(0);
39 } 39 }
40
41 txcal_basis_compute()
42 {
43 unsigned n;
44
45 for (n = 0; n < num_basis_points - 1; n++) {
46 if (tx_basis[n+1].vout <= tx_basis[n].vout) {
47 fprintf(stderr,
48 "error: Vout at APC=%u is not greater than at APC=%u\n",
49 tx_basis[n+1].apc, tx_basis[n].apc);
50 exit(ERROR_RFTEST);
51 }
52 tx_basis[n].slope = (tx_basis[n+1].vout - tx_basis[n].vout) /
53 (tx_basis[n+1].apc - tx_basis[n].apc);
54 }
55 return(0);
56 }