FreeCalypso > hg > fc-tourmaline
view src/g23m-fad/fad/fad_rcvf.c @ 267:10b3a6876273
fc-target.h preprocessor symbols: introduce CONFIG_TARGET_LEO_RFFE
Out of our currently existing supported targets, Leonardo and Tango
use TI's classic Leonardo RFFE wiring. However, we would like to
use the same quadband RFFE with the same classic wiring on our
FreeCalypso Libre Dumbphone handset, and also on the planned
development board that will serve as a stepping stone toward that
goal. Therefore, we introduce the new CONFIG_TARGET_LEO_RFFE
preprocessor symbol, and conditionalize on this symbol in tpudrv12.h,
instead of a growing || of different targets.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Wed, 09 Jun 2021 07:26:51 +0000 |
parents | fa8dc04885d8 |
children |
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/* +----------------------------------------------------------------------------- | Project : GSM-F&D (8411) | Modul : FAD_RCVF +----------------------------------------------------------------------------- | Copyright 2002 Texas Instruments Berlin, AG | All rights reserved. | | This file is confidential and a trade secret of Texas | Instruments Berlin, AG | The receipt of or possession of this file does not convey | any rights to reproduce or disclose its contents or to | manufacture, use, or sell anything it may describe, in | whole, or in part, without the specific written consent of | Texas Instruments Berlin, AG. +----------------------------------------------------------------------------- | Purpose : This Modul defines the procedures and functions for | the component Fax Adaptation 3.45 of the mobile station +----------------------------------------------------------------------------- */ #ifndef FAD_RCVF_C #define FAD_RCVF_C #endif #define ENTITY_FAD /*==== INCLUDES ===================================================*/ #include <string.h> #include "typedefs.h" #include "vsi.h" #include "macdef.h" #include "pconst.cdg" #include "custom.h" #include "gsm.h" #include "cnf_fad.h" #include "mon_fad.h" #include "prim.h" #include "pei.h" #include "tok.h" #include "ccdapi.h" #include "fad.h" /*==== CONST =======================================================*/ /*==== TYPES =======================================================*/ /*==== VAR EXPORT ==================================================*/ /*==== VAR LOCAL ===================================================*/ /*==== FUNCTIONS ===================================================*/ /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : FAD_RCVF | | STATE : code ROUTINE : rcv_init | +--------------------------------------------------------------------+ PURPOSE : initialise the fad data for the rcv formatter process */ GLOBAL void rcv_init (void) { T_RCV *rcv = &fad_data->rcv; TRACE_FUNCTION ("rcv_init()"); INIT_STATE (RCV, SYNC_RCV); INIT_STATE (RCVSUB, SUB_IDLE); rcv->data_in_rbm = FALSE; rcv->preamble_pending = FALSE; rcv->bcs_pending = TRUE; rcv->FlagFound = 0; rcv->train_flg = FALSE; /*???*/ rcv_ResetFormatter (); } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : FAD_RCVF | | STATE : code ROUTINE : rcv_ResetFormatter | +--------------------------------------------------------------------+ PURPOSE : */ GLOBAL void rcv_ResetFormatter (void) { T_RCV *rcv = &fad_data->rcv; TRACE_FUNCTION ("rcv_ResetFormatter()"); SET_STATE (RCVSUB, SUB_IDLE); rcv->bytes_good = 0; rcv->bytes_expect = 0; rcv->bytes_rcvd = 0; rcv->prim_ready = FALSE; rcv->hdlc_len = 0; rcv->bcs_data_len = 0; rcv->data_bufpos = 0; } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : FAD_RCVF | | STATE : code ROUTINE : CheckBcsFrame | +--------------------------------------------------------------------+ PURPOSE : get number of correct IDENT and data bytes (BCS data) */ LOCAL void CheckBcsFrame (UBYTE *ident_ratio, UBYTE *info_ratio, UBYTE *bcs_data, UBYTE ident, UBYTE info, USHORT bcs_len) { UBYTE i, pream_good = 0, ident_good = 0; TRACE_FUNCTION ("CheckBcsFrame()"); if (!bcs_len) return; for (i = 0; i < bcs_len; bcs_data++, i++) { if (i & 0x01) { if (*bcs_data EQ info) pream_good++; } else { if (*bcs_data EQ ident) ident_good++; } } bcs_len >>= 1; if (bcs_len) { *ident_ratio = (ident_good * 100) / bcs_len; *info_ratio = (pream_good * 100) / bcs_len; } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : FAD_RCVF | | STATE : code ROUTINE : rcv_FrameType | +--------------------------------------------------------------------+ PURPOSE : */ GLOBAL UBYTE rcv_FrameType(T_FD *pFD) { UBYTE *bcs_data, fr_type, len, ident_ratio, info_ratio; #ifdef _SIMULATION_ TRACE_FUNCTION ("rcv_FrameType()"); #endif fr_type = pFD->type; len = pFD->len; bcs_data = pFD->buf; switch (GET_STATE (RCV)) { case SYNC_RCV: switch (fr_type) { case FR_STATUS: CheckBcsFrame(&ident_ratio, &info_ratio, bcs_data, IDENT_BCS_REC, HDLC_FLAG, len); if (ident_ratio < BCS_TOLERANCE) return (FT_NONE); /* not a BCS frame */ if (info_ratio >= BCS_TOLERANCE) return (FT_PREAMBLE); break; case FR_TRAIN: CheckBcsFrame(&ident_ratio, &info_ratio, bcs_data, IDENT_MSG_REC, VAL_TRAIN, len); if (ident_ratio >= TRAIN_TOLERANCE) break; /* STATUS-TRAIN frame */ CheckBcsFrame(&ident_ratio, &info_ratio, bcs_data, IDENT_MSG_TRA, VAL_TRAIN, len); if (ident_ratio >= TRAIN_TOLERANCE) return (FT_TRAIN_RESPONSE); /* response to TRAINING */ return (FT_NONE); } break; case PREAM_RCV: switch (fr_type) { case FR_STATUS: CheckBcsFrame(&ident_ratio, &info_ratio, bcs_data, IDENT_BCS_REC, VAL_TCF, len); if (ident_ratio < BCS_TOLERANCE) return (FT_NONE); /* not a BCS frame */ if (info_ratio >= BCS_TOLERANCE) return (FT_PREAMBLE); break; default: return (FT_NONE); } break; case BCS_RCV: if (fr_type EQ FR_STATUS) { CheckBcsFrame(&ident_ratio, &info_ratio, bcs_data, IDENT_BCS_REC, HDLC_FLAG, len); if (ident_ratio < BCS_TOLERANCE) return (FT_NONE); /* not a BCS frame */ if (GET_STATE (RCVSUB) EQ SUB_PREAMBLE) { if (info_ratio EQ 100) return (FT_NONE); /* still receiving PREAMBLE */ SET_STATE (RCVSUB, SUB_DATA); } } break; default: break; } return (fr_type); } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : FAD_RCVF | | STATE : code ROUTINE : rcv_SetHdlcFrame | +--------------------------------------------------------------------+ PURPOSE : set BCS data as HDLC frame for T30/ACI */ GLOBAL void rcv_SetHdlcFrame (T_FD *pFD, UBYTE *hdlc_data, USHORT *hdlc_len) { UBYTE *bcs_data = pFD->buf; USHORT flag_found = 0, i, k; #define HDLC_MAX 2 #ifdef _SIMULATION_ TRACE_FUNCTION ("rcv_SetHdlcFrame()"); #endif for (i = 0; i < pFD->len; i++, bcs_data++) { if (i & 0x0001) { *hdlc_data++ = *bcs_data; (*hdlc_len)++; /* * if preamble is disturbed * discard erroneous HDLC data */ if (*hdlc_len > HDLC_MAX) { /* * check last HDLC data; allow trailing HDLC flags */ for (k = *hdlc_len - HDLC_MAX; k < *hdlc_len; k++) { if (fad_data->rcv.hdlc[k] EQ HDLC_FLAG) { flag_found++; TRACE_EVENT("HDLC flags during SUB_DATA found"); } if (flag_found EQ HDLC_MAX) { TRACE_EVENT("HDLC buffer cleared again"); hdlc_data = fad_data->rcv.hdlc; *hdlc_len = 0; } } } } } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : FAD_RCVF | | STATE : code ROUTINE : rcv_SetErrorRatio | +--------------------------------------------------------------------+ PURPOSE : calculate no. of correctly received TCF bytes */ GLOBAL void rcv_SetErrorRatio(T_FD *pFD) { void t30_ker_debug(CHAR *header, UBYTE *buf, USHORT len); UBYTE *buf = pFD->buf, i; TRACE_FUNCTION ("rcv_SetErrorRatio()"); #if defined TRACE_FAD_DL_TCF || defined _SIMULATION_ t30_ker_debug("TCF", buf, pFD->len); #endif for (i = 0; i < pFD->len; i++, buf++) { if (*buf EQ VAL_TCF) { fad_data->rcv.bytes_good++; } } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : FAD_RCVF | | STATE : code ROUTINE : rcv_StoreMsgData | +--------------------------------------------------------------------+ PURPOSE : pass SDU to Receive Buffer Manager (RBM) */ GLOBAL BOOL rcv_StoreMsgData (T_FD *pFD, BOOL *primAvail) { TRACE_FUNCTION ("rcv_StoreMsgData()"); return rbm_store_frames(pFD, primAvail); } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : FAD_RCVF | | STATE : code ROUTINE : rcv_SetFinalBuffer | +--------------------------------------------------------------------+ PURPOSE : set RBM for final MSG data */ GLOBAL void rcv_SetFinalBuffer (void) { T_FAD_DATA_IND *fad_data_ind; TRACE_FUNCTION ("rcv_SetFinalBuffer()"); rcv_GetMsgData (&fad_data_ind, FALSE); sig_rcv_ker_msg_ind (fad_data_ind); fad_data->rcv.t30_req_frames = FALSE; } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : FAD_RCVF | | STATE : code ROUTINE : rcv_GetMsgData | +--------------------------------------------------------------------+ PURPOSE : */ GLOBAL BOOL rcv_GetMsgData (T_FAD_DATA_IND **fad_data_ind, BOOL data_incoming) { TRACE_FUNCTION ("rcv_GetMsgData()"); *fad_data_ind = rbm_get_prim (); if (data_incoming) { /* MSG data still being received */ if (*fad_data_ind EQ NULL) return FALSE; (*fad_data_ind)->final = FALSE; } else { /* MSG data no longer being received - SYNC detected */ if (*fad_data_ind NEQ NULL) (*fad_data_ind)->final = FALSE; else { *fad_data_ind = rbm_get_curr_prim (); /* buffer empty - end of MSG phase */ fad_data->rcv.data_in_rbm = FALSE; if (*fad_data_ind EQ NULL) return FALSE; (*fad_data_ind)->final = TRUE; } } return (TRUE); }