FreeCalypso > hg > fc-magnetite
view src/gpf3/ccd/gsm5_v.c @ 670:def882d1b354
AT+IOR and AT+IOW GPIO commands implemented in aci3
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Thu, 28 May 2020 03:15:43 +0000 |
parents | c41a534f33c6 |
children |
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/* +----------------------------------------------------------------------------- | Project : | Modul : gsm5_v.c +----------------------------------------------------------------------------- | 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 : Definition of encoding and decoding functions for GSM5_V elements +----------------------------------------------------------------------------- */ /* * standard definitions like GLOBAL, UCHAR, ERROR etc. */ #include "typedefs.h" #include "header.h" /* * Prototypes of ccd (USE_DRIVER EQ undef) for prototypes only * look at ccdapi.h */ #undef USE_DRIVER #include "ccdapi.h" /* * Types and functions for bit access and manipulation */ #include "ccd_globs.h" #include "bitfun.h" /* * Prototypes of ccd internal functions */ #include "ccd.h" /* * Declaration of coder/decoder tables */ #include "ccdtable.h" #include "ccddata.h" #ifndef RUN_INT_RAM /* +--------------------------------------------------------------------+ | PROJECT : CCD (6144) MODULE : CDC_GSM | | STATE : code ROUTINE : cdc_gsm5v_decode | +--------------------------------------------------------------------+ PURPOSE : Decoding of the GSM Type 5V element. This element consists of the not decoded bits of the bitstream. In the target C-structure this element is a bitbuffer (T_xxx_BUF) in wich the bitstream content are written. */ SHORT cdc_gsm5v_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) { #ifdef DEBUG_CCD #ifndef CCD_SYMBOLS TRACE_CCD (globs, "cdc_gsm5v_decode()"); #else TRACE_CCD (globs, "cdc_gsm5v_decode() %s", ccddata_get_alias((USHORT) e_ref, 1)); #endif #endif if (globs->bitpos >= globs->buflen) { return 1; } else { ULONG cix_ref; cix_ref = melem[e_ref].calcIdxRef; /* * if this element is conditional, check the condition */ if (calcidx[cix_ref].numCondCalcs NEQ 0 AND ! ccd_conditionOK (e_ref, globs)) { return 1; } else { ULONG bits_to_read; ULONG num_prolog_steps, prolog_step_ref; num_prolog_steps = calcidx[cix_ref].numPrologSteps; prolog_step_ref = calcidx[cix_ref].prologStepRef; /* If there is a prologue given for this element, process it. */ if (num_prolog_steps) { ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); } /* * Setup the offset into the C-structure for this element */ globs->pstructOffs = melem[e_ref].structOffs; if (melem[e_ref].optional) { /* * for optional elements set the valid-flag in the C-struct. */ globs->pstruct[globs->pstructOffs++] = TRUE; } if (globs->maxBitpos < globs->buflen - 16*globs->numEOCPending) { ccd_recordFault (globs, ERR_LEN_MISMATCH, CONTINUE, (USHORT) e_ref, globs->pstruct + globs->pstructOffs); } bits_to_read = (ULONG)(globs->buflen - globs->bitpos - 16*globs->numEOCPending); bf_readBitChunk (bits_to_read, globs); } } return 1; } #endif /* !RUN_INT_RAM */ #ifndef RUN_INT_RAM /* +--------------------------------------------------------------------+ | PROJECT : CCD (6144) MODULE : CDC_GSM | | STATE : code ROUTINE : cdc_gsm5v_encode | +--------------------------------------------------------------------+ PURPOSE : Encoding of the GSM Type 5V element. This element consists of the not decoded bits of the bitstream. In the target C-structure this element is a bitbuffer (T_xxx_BUF) from wich the bitstream content is read. */ SHORT cdc_gsm5v_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) { ULONG cix_ref, num_prolog_steps, prolog_step_ref; #ifdef DEBUG_CCD #ifndef CCD_SYMBOLS TRACE_CCD (globs, "cdc_gsm5v_encode()"); #else TRACE_CCD (globs, "cdc_gsm5v_encode() %s", ccddata_get_alias((USHORT) e_ref, 1)); #endif #endif cix_ref = melem[e_ref].calcIdxRef; num_prolog_steps = calcidx[cix_ref].numPrologSteps; prolog_step_ref = calcidx[cix_ref].prologStepRef; /* * if this element is conditional, check the condition */ if (calcidx[cix_ref].numCondCalcs NEQ 0 AND ! ccd_conditionOK (e_ref, globs)) return 1; /* * if this element have a defined Prolog * we have to process it before decoding the bitstream */ if (num_prolog_steps) { ccd_performOperations (num_prolog_steps, prolog_step_ref, globs); } /* * Setup the offset into the C-structure for this element */ globs->pstructOffs = melem[e_ref].structOffs; if (melem[e_ref].optional) { /* * for optional elements check the valid-flag in the C-struct. * Spare elements does not have a corresponding valid flag. */ if (globs->pstruct[globs->pstructOffs++] == FALSE) { return 1; } #ifdef DEBUG_CCD else if (globs->pstruct [melem[e_ref].structOffs] != TRUE) { TRACE_CCD (globs, "Ambiguous value for valid flag!\n...assumed 1 for ccdID=%d", e_ref); } #endif } bf_writeBitChunk (mvar[melem[e_ref].elemRef].bSize, globs); return 1; } #endif /* !RUN_INT_RAM */