FreeCalypso > hg > fc-magnetite
view src/gpf3/ccd/t30_ident.c @ 170:0d6201c64829
TCS3.2 version of atiext.lib compiles
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Tue, 11 Oct 2016 07:10:53 +0000 |
parents | c41a534f33c6 |
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/* +----------------------------------------------------------------------------- | Project : | Modul : t30_ident.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 T30_IDENT 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 : CCD | | STATE : code ROUTINE : cdc_t30_ident_decode | +--------------------------------------------------------------------+ PURPOSE : */ SHORT cdc_t30_ident_decode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) { ULONG max_rep; BOOL is_variable; UBYTE digBuffer[30], bit, digT30, digASCII; UBYTE *addr_c_xxx; int i, repeat; ULONG cix_ref, num_prolog_steps, prolog_step_ref; register UBYTE *ident; #ifdef DEBUG_CCD #ifndef CCD_SYMBOLS TRACE_CCD (globs, "cdc_t30_ident_decode()"); #else TRACE_CCD (globs, "cdc_t30_ident_decode() %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); } /* * if this element is repeatable, and the number of * repeats depends on another element, calculate the repeater */ if (melem[e_ref].repType NEQ ' ') { ULONG rep; is_variable = ccd_calculateRep (e_ref, &rep, &max_rep, globs); repeat = rep; } else { repeat = 1; is_variable = FALSE; } /* * 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 */ globs->pstruct[globs->pstructOffs++] = (UBYTE) TRUE; } if (is_variable) { /* * for variable sized elements store the min-value * as counter into the C-Structure (c_xxx). */ addr_c_xxx = (UBYTE *) (globs->pstruct + globs->pstructOffs++); if (max_rep > 255) globs->pstructOffs++; } else addr_c_xxx = NULL; /* * calculate the address of the Most Significant Digit * of the T30_IDENT element in the C-struct */ ident = (UBYTE *) (globs->pstruct + globs->pstructOffs); /* * now read 'repeat' T30_IDENT digits and convert them * into ASCII. */ i=0; while (!bf_endOfBitstream(globs) AND i<repeat) { digT30 = bf_decodeByteNumber (8, globs); #ifdef DEBUG_CCD TRACE_CCD (globs, "T30 digit (%X) read", digT30); #endif /* * conversion T30->ASCII * reverse the bitorder of each byte */ digASCII = 0; for (bit = 0; bit < 8; bit++) { digASCII <<= 1; digASCII |= (digT30 & 0x01); digT30 >>= 1; } digBuffer[i] = digASCII; #ifdef DEBUG_CCD TRACE_CCD (globs, " converted to %X = %c", digBuffer[i], digBuffer[i]); #endif i++; } /* * eleminate leading spaces */ while (i > 0 AND digBuffer[i-1] EQ ' ') { #ifdef DEBUG_CCD TRACE_CCD (globs, "eliminating leading space"); #endif i--; } repeat = i; if (addr_c_xxx NEQ NULL) { /* * store the number of digits into the * c_xxx variable if there is one. */ if (max_rep > 65535) { ULONG *addr_c_xxx_u32; addr_c_xxx_u32 = (ULONG *)addr_c_xxx; *addr_c_xxx_u32 = (ULONG) repeat; #ifdef DEBUG_CCD TRACE_CCD (globs, "storing %d into counter var at (%lx)", repeat, addr_c_xxx_u32); #endif } else if (max_rep > 255) { USHORT *addr_c_xxx_u16; addr_c_xxx_u16 = (USHORT *)addr_c_xxx; *addr_c_xxx_u16 = (USHORT) repeat; #ifdef DEBUG_CCD TRACE_CCD (globs, "storing %d into counter var at (%lx)", repeat, addr_c_xxx_u16); #endif } else { *addr_c_xxx = (UBYTE) repeat; #ifdef DEBUG_CCD TRACE_CCD (globs, "storing %d into counter var at (%lx)", repeat, addr_c_xxx); #endif } } /* * store the digits in reverse order * into the C-Structure variable */ #ifdef DEBUG_CCD TRACE_CCD (globs, "storing %d digits into cstruct at (%lx)", repeat, ident); #endif for (i=0; i<repeat; i++) ident[i] = digBuffer[(repeat-1)-i]; return 1; } #endif /* !RUN_INT_RAM */ #ifndef RUN_INT_RAM /* +--------------------------------------------------------------------+ | PROJECT : CCD (6144) MODULE : CCD | | STATE : code ROUTINE : cdc_t30_ident_encode | +--------------------------------------------------------------------+ PURPOSE : */ SHORT cdc_t30_ident_encode (const ULONG c_ref, const ULONG e_ref, T_CCD_Globs *globs) { ULONG repeat, max_rep; UBYTE digBuffer[30], bit, digT30, digASCII; ULONG i; ULONG cix_ref, num_prolog_steps, prolog_step_ref; register UBYTE *ident; #ifdef DEBUG_CCD #ifndef CCD_SYMBOLS TRACE_CCD (globs, "cdc_t30_ident_encode()"); #else TRACE_CCD (globs, "cdc_t30_ident_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 encoding */ 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 */ 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 } /* * if this element is repeatable, and the number of * repeats depends on another element, calculate the repeater */ if (melem[e_ref].repType EQ 'v' OR melem[e_ref].repType EQ 'i') { /* * for variable sized elements read the amount * of repeats out of the C-Structure (c_xxx). * If the number of repeats given by the C-Structure * exceeds the allowed value (maxRepeat) CCD gives a warning! */ if (melem[e_ref].maxRepeat > 255) { ULONG count = (ULONG) (* (USHORT *)(globs->pstruct + globs->pstructOffs++)); repeat = MINIMUM (count, (ULONG) melem[e_ref].maxRepeat); if (repeat < count) ccd_recordFault (globs, ERR_MAX_REPEAT, CONTINUE, (USHORT) e_ref, globs->pstruct + globs->pstructOffs); } else { repeat = (ULONG) MINIMUM (globs->pstruct[globs->pstructOffs], melem[e_ref].maxRepeat); if ( repeat < (ULONG) (globs->pstruct[globs->pstructOffs]) ) ccd_recordFault (globs, ERR_MAX_REPEAT, CONTINUE, (USHORT) e_ref, globs->pstruct + globs->pstructOffs); } globs->pstructOffs++; max_rep = (ULONG) melem[e_ref].maxRepeat; } else if (melem[e_ref].repType EQ 'c') { repeat = (ULONG) melem[e_ref].maxRepeat; max_rep = (ULONG) melem[e_ref].maxRepeat; } else { repeat = 1; max_rep = 1; } /* * setup the read pointer to the byte array that contain * the ident number. */ ident = (UBYTE *) (globs->pstruct + globs->pstructOffs); /* * read the digits in reverse order out of the C-Structure variable. * (filled up with blanks to the maxRepeat) */ i=0; while (i < max_rep) { if (i < repeat) digBuffer[i] = ident[(repeat-1)-i]; else { #ifdef DEBUG_CCD TRACE_CCD (globs, "appending space char"); #endif digBuffer[i] = ' '; } i++; } /* * now read 'repeat' T30_IDENT digits and convert them * into ASCII. */ i=0; while (i < max_rep) { digASCII = digBuffer[i]; #ifdef DEBUG_CCD TRACE_CCD (globs, "ASCII digit (%X) = %c ", (USHORT) digASCII, digASCII); #endif /* * conversion ASCII->T30 * reverse the bitorder of each byte */ digT30 = 0; for (bit = 0; bit < 8; bit++) { digT30 <<= 1; digT30 |= (digASCII & 0x01); digASCII >>= 1; } #ifdef DEBUG_CCD TRACE_CCD (globs, " converted to %X", (USHORT) digT30); #endif bf_codeByteNumber (8, digT30, globs); i++; } return 1; } #endif /* !RUN_INT_RAM */