FreeCalypso > hg > fc-magnetite
annotate src/cs/layer1/include/l1_ctl.h @ 516:1ed9de6c90bd
src/g23m-gsm/sms/sms_for.c: bogus malloc removed
The new error handling code that was not present in TCS211 blob version
contains a malloc call that is bogus for 3 reasons:
1) The memory allocation in question is not needed in the first place;
2) libc malloc is used instead of one of the firmware's proper ways;
3) The memory allocation is made inside a function and then never freed,
i.e., a memory leak.
This bug was caught in gcc-built FreeCalypso fw projects (Citrine
and Selenite) because our gcc environment does not allow any use of
libc malloc (any reference to malloc produces a link failure),
but this code from TCS3.2 is wrong even for Magnetite: if this code
path is executed repeatedly over a long time, the many small allocations
made by this malloc call without a subsequent free will eventually
exhaust the malloc heap provided by the TMS470 environment, malloc will
start returning NULL, and the bogus code will treat it as an error.
Because the memory allocation in question is not needed at all,
the fix entails simply removing it.
| author | Mychaela Falconia <falcon@freecalypso.org> |
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| date | Sun, 22 Jul 2018 06:04:49 +0000 |
| parents | 50a15a54801e |
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| rev | line source |
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1 /************* Revision Controle System Header ************* |
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2 * GSM Layer 1 software |
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3 * L1_CTL.H |
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4 * |
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5 * Filename l1_ctl.h |
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6 * Copyright 2003 (C) Texas Instruments |
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7 * |
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8 ************* Revision Controle System Header *************/ |
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9 |
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10 /************************************/ |
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11 /* Automatic timing control (TOA) */ |
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12 /************************************/ |
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13 #define C_RED 1 // Factor used to reduce the maximum accumulated values. |
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14 // Default : 1/2 |
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15 #define C_GEW 1 // Weighting factor. Default : 1/2 |
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16 |
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17 #define C_SNRGR 2560 // 2.5 F6.10 |
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18 #define C_SNR_THR 8192 // 8 F6.10 |
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19 #define TOA_HISTO_LEN 11 // Histogram length |
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20 |
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21 /* |
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22 * FreeCalypso Frankenstein: the following definition has been added |
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23 * from LoCosto version of this file, as it is used by l1_cmplx.c |
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24 * fairly extensively. |
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25 * |
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26 * Disassembly-matching reconstruction has revealed that the constant |
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27 * in question was originally 210 in the TCS211 version, and then |
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28 * increased to 220 in the LoCosto source. We currently seek to match |
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29 * TCS211 without any changes, hence we are setting it back to 210. |
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30 */ |
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31 #define IL_FOR_RXLEV_SNR 210 // RX POWER LEVEL |
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32 |
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33 /************************************/ |
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34 /* Automatic Gain Control (AGC) */ |
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35 /************************************/ |
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36 |
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37 #define INDEX_MIN 0 |
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38 #define INDEX_MAX 240 // 120 |
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39 |
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40 /************************************/ |
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41 /* Automatic frequency compensation */ |
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42 /************************************/ |
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43 #define C_thr_snr 2560 // 1/0.4 * 2**10 |
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44 #define C_thr_P 524288L // 0.5 * 2**20 |
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45 #define C_cov_start 838861L // 0.8 * 2**20 |
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46 #define C_a0_kalman 10486L // 0.01 * 2**20 |
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47 #define C_g_kalman 53687091L// 0.05 * 2**30 |
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48 #define C_N_del 2 // delay of frequency control loop |
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49 // due to C W R pipeline |
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50 #define C_Q 3L // 0.000003 * 2**20 |
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51 #define C_thr_K 209715L // 0.2 * 2**20 |
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52 #define C_thr_phi 328 // 0.01 * 2**15 |
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53 |
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54 #if (VCXO_ALGO == 1) |
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55 #define C_WIN_AVG_SIZE_M 64 // average size M |
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56 #define C_PSI_AVG_SIZE_D 32 // distance size D |
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57 #define C_MSIZE (C_WIN_AVG_SIZE_M * C_PSI_AVG_SIZE_D) // Data history for predictor |
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58 #define C_RGAP_BAD_SNR_COUNT_B 32 // bad SNR count B |
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59 #define ALGO_AFC_RXGAP 1 // reception gap algo |
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60 #define ALGO_AFC_KALMAN 1 // Kalman filter |
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61 #define ALGO_AFC_LQG_PREDICTOR 2 // LQG filter + rgap predictor |
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62 #define ALGO_AFC_KALMAN_PREDICTOR 3 // Kalman filter + rgap predictor |
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63 #endif |
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64 |
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65 #if ((ANLG_FAM == 1) || (ANLG_FAM == 2) || (ANLG_FAM == 3)) |
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66 // clipping related to AFC DAC linearity range |
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67 #define C_max_step 32000 // 4000 * 2**3 |
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68 #define C_min_step -32000 // -4000 * 2**3 |
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69 #endif |
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70 |
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