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view src/g23m-fad/t30/t30_bcsf.c @ 67:c7af699af1c4
dl1_com.c: section name for API_HISR_stack should be .API_HISR_stack
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 20 Jul 2018 00:30:34 +0000 |
parents | d393cd9bb723 |
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/* +----------------------------------------------------------------------------- | Project : GSM-F&D (8411) | Modul : t30_bcsf +----------------------------------------------------------------------------- | 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 T30 of the mobile station +----------------------------------------------------------------------------- */ #ifndef T30_BCSF_C #define T30_BCSF_C #endif #define ENTITY_T30 /*==== INCLUDES ===================================================*/ #include <string.h> #include <stdlib.h> #include <stddef.h> #include "typedefs.h" #include "pcm.h" #include "vsi.h" #include "macdef.h" #include "pconst.cdg" #include "mconst.cdg" #include "message.h" #include "ccdapi.h" #include "custom.h" #include "gsm.h" #include "prim.h" #include "cnf_t30.h" #include "mon_t30.h" #include "pei.h" #include "tok.h" #include "dti.h" /* functionality of the dti library */ #include "t30.h" /*==== CONST =======================================================*/ /*==== TYPES =======================================================*/ /*==== VAR EXPORT ==================================================*/ /*==== VAR LOCAL ===================================================*/ LOCAL const USHORT crctab[256] = { 0x0000, 0x1021, 0x2042, 0x3063, 0x4084, 0x50A5, 0x60C6, 0x70E7, 0x8108, 0x9129, 0xA14A, 0xB16B, 0xC18C, 0xD1AD, 0xE1CE, 0xF1EF, 0x1231, 0x0210, 0x3273, 0x2252, 0x52B5, 0x4294, 0x72F7, 0x62D6, 0x9339, 0x8318, 0xB37B, 0xA35A, 0xD3BD, 0xC39C, 0xF3FF, 0xE3DE, 0x2462, 0x3443, 0x0420, 0x1401, 0x64E6, 0x74C7, 0x44A4, 0x5485, 0xA56A, 0xB54B, 0x8528, 0x9509, 0xE5EE, 0xF5CF, 0xC5AC, 0xD58D, 0x3653, 0x2672, 0x1611, 0x0630, 0x76D7, 0x66F6, 0x5695, 0x46B4, 0xB75B, 0xA77A, 0x9719, 0x8738, 0xF7DF, 0xE7FE, 0xD79D, 0xC7BC, 0x48C4, 0x58E5, 0x6886, 0x78A7, 0x0840, 0x1861, 0x2802, 0x3823, 0xC9CC, 0xD9ED, 0xE98E, 0xF9AF, 0x8948, 0x9969, 0xA90A, 0xB92B, 0x5AF5, 0x4AD4, 0x7AB7, 0x6A96, 0x1A71, 0x0A50, 0x3A33, 0x2A12, 0xDBFD, 0xCBDC, 0xFBBF, 0xEB9E, 0x9B79, 0x8B58, 0xBB3B, 0xAB1A, 0x6CA6, 0x7C87, 0x4CE4, 0x5CC5, 0x2C22, 0x3C03, 0x0C60, 0x1C41, 0xEDAE, 0xFD8F, 0xCDEC, 0xDDCD, 0xAD2A, 0xBD0B, 0x8D68, 0x9D49, 0x7E97, 0x6EB6, 0x5ED5, 0x4EF4, 0x3E13, 0x2E32, 0x1E51, 0x0E70, 0xFF9F, 0xEFBE, 0xDFDD, 0xCFFC, 0xBF1B, 0xAF3A, 0x9F59, 0x8F78, 0x9188, 0x81A9, 0xB1CA, 0xA1EB, 0xD10C, 0xC12D, 0xF14E, 0xE16F, 0x1080, 0x00A1, 0x30C2, 0x20E3, 0x5004, 0x4025, 0x7046, 0x6067, 0x83B9, 0x9398, 0xA3FB, 0xB3DA, 0xC33D, 0xD31C, 0xE37F, 0xF35E, 0x02B1, 0x1290, 0x22F3, 0x32D2, 0x4235, 0x5214, 0x6277, 0x7256, 0xB5EA, 0xA5CB, 0x95A8, 0x8589, 0xF56E, 0xE54F, 0xD52C, 0xC50D, 0x34E2, 0x24C3, 0x14A0, 0x0481, 0x7466, 0x6447, 0x5424, 0x4405, 0xA7DB, 0xB7FA, 0x8799, 0x97B8, 0xE75F, 0xF77E, 0xC71D, 0xD73C, 0x26D3, 0x36F2, 0x0691, 0x16B0, 0x6657, 0x7676, 0x4615, 0x5634, 0xD94C, 0xC96D, 0xF90E, 0xE92F, 0x99C8, 0x89E9, 0xB98A, 0xA9AB, 0x5844, 0x4865, 0x7806, 0x6827, 0x18C0, 0x08E1, 0x3882, 0x28A3, 0xCB7D, 0xDB5C, 0xEB3F, 0xFB1E, 0x8BF9, 0x9BD8, 0xABBB, 0xBB9A, 0x4A75, 0x5A54, 0x6A37, 0x7A16, 0x0AF1, 0x1AD0, 0x2AB3, 0x3A92, 0xFD2E, 0xED0F, 0xDD6C, 0xCD4D, 0xBDAA, 0xAD8B, 0x9DE8, 0x8DC9, 0x7C26, 0x6C07, 0x5C64, 0x4C45, 0x3CA2, 0x2C83, 0x1CE0, 0x0CC1, 0xEF1F, 0xFF3E, 0xCF5D, 0xDF7C, 0xAF9B, 0xBFBA, 0x8FD9, 0x9FF8, 0x6E17, 0x7E36, 0x4E55, 0x5E74, 0x2E93, 0x3EB2, 0x0ED1, 0x1EF0 }; /*==== FUNCTIONS ===================================================*/ /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_build_report | +--------------------------------------------------------------------+ PURPOSE : build the T30_REPORT_IND primitive out of a send/rec. frame */ LOCAL void bcs_build_report(UBYTE *frame, USHORT len, T_T30_REPORT_IND *t30_report_ind) { if (t30_data->bitorder & FBO_REV_STATUS) /* reverse the bitorder of each byte */ { memcpy(t30_report_ind->sdu.buf, frame, len); } else { USHORT i; for (i=0; i<len; i++) t30_report_ind->sdu.buf[i] = BIT_MIRROR[frame[i]]; } t30_report_ind->sdu.l_buf = (len << 3); t30_report_ind->sdu.o_buf = 0; } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_init | +--------------------------------------------------------------------+ PURPOSE : initialize BCS formatter */ GLOBAL void bcs_init(T_T30_DATA *pt30_data) { TRACE_FUNCTION ("bcs_init()"); memset (pt30_data->bcs_frm, 0, BCS_FRM_SIZE); } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_check_frames | +--------------------------------------------------------------------+ PURPOSE : This function checks the final flag and the frame checking sequence. */ LOCAL UBYTE bcs_check_frames(UBYTE *idx_max) { T_sdu *sdu = (T_sdu*)t30_data->bcs_frm; UBYTE idx; for (idx = 0; idx < *idx_max; idx++) { #ifdef _SIMULATION_ /* FCS generating/checking off */ if (t30_data->test_mode & TST_FCS) { } else #endif { USHORT crctt = 0xffff; /* initialize crc */ /* shift each bit through polynomial */ USHORT pos; for (pos = t30_data->frm[idx].beg; pos <= t30_data->frm[idx].end; pos++) { SHORT tmp = (crctt >> 8) ^ sdu->buf[pos]; crctt = ((crctt << 8) ^ crctab[tmp & 0xff]) & 0xffff; } if (crctt NEQ 0x1D0F) /* check remainder */ return CHK_FCS_ERR; } #if defined _SIMULATION_ || defined KER_DEBUG_BCS ker_debug ("BCS_DATA_IND", (UBYTE*)&sdu->buf[t30_data->frm[idx].beg], (USHORT)(t30_data->frm[idx].end-t30_data->frm[idx].beg)); #endif /* count final flags */ if (sdu->buf[t30_data->frm[idx].beg + 1] & 0x08) { *idx_max = (UBYTE)idx + 1; return CHK_OK; } } #ifdef _SIMULATION_ /* Control checking OFF */ if (t30_data->test_mode & TST_CTRL) return CHK_OK; #endif return CHK_FIN_ERR; } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_frame_pos | +--------------------------------------------------------------------+ PURPOSE : This function extracts the beginning, the end and the length of each frame. */ LOCAL UBYTE bcs_frame_pos(UBYTE *flag_vector, UBYTE *idx_max) { USHORT idx = 0; T_sdu *sdu = (T_sdu*)t30_data->bcs_frm; *idx_max = 0; while (idx < sdu->l_buf) { /* skip flags */ while (idx < sdu->l_buf AND flag_vector[idx]) idx++; /* ready if last byte is a flag */ if (idx EQ sdu->l_buf) return FRM_OK; /* save begin of frame */ t30_data->frm[*idx_max].beg = idx; /* search flag */ while (idx < sdu->l_buf AND !flag_vector[idx]) idx++; /* error if no flag found */ if (idx EQ sdu->l_buf) { t30_data->frm[*idx_max].beg = 0; return FRM_OK; /* return FRM_ERR_NO_FLAG; ??? */ } /* save end of fame and length of frame */ t30_data->frm[*idx_max].end = idx - 1; t30_data->frm[*idx_max].len = idx - t30_data->frm[*idx_max].beg; /* error if too many frames received */ if (++(*idx_max) EQ FRAMES_MAX) return FRM_ERR_TOO_MANY_FRAMES; /* next frame */ idx++; } return FRM_OK; } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_report_rcv | +--------------------------------------------------------------------+ PURPOSE : This function reports the received HDLC frames to MMI if desired. */ LOCAL void bcs_report_rcv(UBYTE idx_max) { T_sdu *sdu = (T_sdu*)t30_data->bcs_frm; USHORT idx; for (idx = 0 ; idx < idx_max ; idx++) { if (t30_data->frm[idx].len >= 2) { PALLOC_SDU (t30_report_ind, T30_REPORT_IND, REPORT_SIZE_BITS); bcs_build_report (&sdu->buf[t30_data->frm[idx].beg], (USHORT)(t30_data->frm[idx].len - 2), t30_report_ind); t30_report_ind->dir = DIR_RCV; PSENDX (MMI, t30_report_ind); } } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_decode | +--------------------------------------------------------------------+ PURPOSE : This function decodes each hdlc frame and sends the decoded data to the kernel. */ /* this function is only necessary because of an iarm compiler failure */ LOCAL void bcs_clear_flag (UBYTE *ptr) { if (*ptr & 0x70) *ptr &= 0x7F; } LOCAL UBYTE bcs_decode(UBYTE idx_max) { T_sdu *sdu = (T_sdu*)t30_data->bcs_frm; UBYTE idx; for (idx = 0; idx < idx_max; idx++) { USHORT begin = t30_data->frm[idx].beg + 2; /* set direction flag to zero for CCD decoding */ bcs_clear_flag (sdu->buf + begin); /* set offset and length of current frame */ sdu->o_buf = begin << 3; sdu->l_buf = ((USHORT)(t30_data->frm[idx].len - 4) << 3); #ifdef _SIMULATION_ /* show contents of buffer */ if (t30_data->test_mode /* & TST_BUF */) { ker_debug ("ccd_decode", &sdu->buf[begin], (USHORT)(sdu->l_buf >> 3)); } #endif if (ccd_decodeMsg(CCDENT_T30, DOWNLINK, (T_MSGBUF*)sdu, _decodedMsg, HDLC_ADDR) EQ ccdError) { TRACE_EVENT ("ERROR: ccd_decode"); return CCD_ERR; } sig_bcs_ker_bdat_ind(); /* send signal to kernel */ } return CCD_OK; } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_destuff | +--------------------------------------------------------------------+ PURPOSE : This function de-stuffs the received BCS data. */ LOCAL void bcs_destuff(UBYTE *flag_vector) { T_sdu *sdu = (T_sdu*)t30_data->bcs_frm; SHORT bcs_tmp_len = 0; SHORT ones = 0; SHORT bits = 8; UBYTE flag = 0; UBYTE *bcs_tmp; SHORT i; #ifdef _SIMULATION_ /* bit stuffing/destuffing OFF */ if (t30_data->test_mode & TST_STUFF) { for (i = 0; i < sdu->l_buf; i++) { if (sdu->buf[i] EQ HDLC_FLAG) flag_vector[i] = 1; } if (flag_vector[sdu->l_buf-1] NEQ 1) // trailing HDLC_FLAG is missed { sdu->l_buf++; sdu->buf[sdu->l_buf-1] = HDLC_FLAG; flag_vector[sdu->l_buf-1] = 1; } return; } #endif MALLOC(bcs_tmp, sdu->l_buf); for (i = 0 ; i < sdu->l_buf ; i++) { UBYTE bit_ptr = 0x80; /* points initially to MSB */ do /* check each byte for destuffing */ { if (sdu->buf[i] & bit_ptr) /* bit pointed to is 1 */ { ones++; bcs_tmp[bcs_tmp_len] = (bcs_tmp[bcs_tmp_len] << 1) | 1; flag = (flag << 1) | 1; if (! --bits) /* counter of byte's bits*/ { bcs_tmp_len++; bits = 8; } } else /* bit is 0 */ { if (ones != 5) { bcs_tmp[bcs_tmp_len] <<= 1; flag <<= 1; if (ones EQ 6 && flag EQ HDLC_FLAG) flag_vector[bcs_tmp_len] = 1; if (! --bits) /* whole byte is scanned */ { bcs_tmp_len++; bits = 8; } } ones = 0; } bit_ptr >>= 1; } while (bit_ptr); } /* copy destuffed BCS frame back to sdu */ memcpy (sdu->buf, bcs_tmp, bcs_tmp_len); MFREE(bcs_tmp); sdu->l_buf = bcs_tmp_len; /* adjust buffer length */ if (flag_vector[sdu->l_buf-1] NEQ 1) // trailing HDLC_FLAG is missed { sdu->l_buf++; sdu->buf[sdu->l_buf-1] = HDLC_FLAG; flag_vector[sdu->l_buf-1] = 1; } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_bcs_decode | +--------------------------------------------------------------------+ PURPOSE : This function gets the frame positions, checks the frames, reports the contents to MMI if desired, decodes the contents and sends the contents to the kernel. */ GLOBAL void bcs_bcs_decode(void) { UBYTE *flag_vector, idx_max, ret; MALLOC(flag_vector, BCS_FRM_SIZE); memset(flag_vector, 0, BCS_FRM_SIZE); bcs_destuff(flag_vector); ret = bcs_frame_pos(flag_vector, &idx_max); /* determines "idx_max" */ MFREE(flag_vector); switch (ret) { case FRM_OK: ret = bcs_check_frames(&idx_max); if (t30_data->hdlc_report) { bcs_report_rcv(idx_max); } switch (ret) { case CHK_OK: switch (bcs_decode(idx_max)) { case CCD_OK: return; case CCD_ERR: sig_bcs_ker_err_ind(ERR_CCD_DEC); return; } break; /* dummy */ case CHK_FCS_ERR: sig_bcs_ker_err_ind(ERR_FCS); return; case CHK_FIN_ERR: sig_bcs_ker_err_ind(ERR_FINAL); return; } break; case FRM_ERR_NO_FLAG: sig_bcs_ker_err_ind(ERR_FRAME_NO_FLAG); return; case FRM_ERR_TOO_MANY_FRAMES: sig_bcs_ker_err_ind(ERR_FRAME_TOO_MANY_FRAMES); return; } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_report_snd | +--------------------------------------------------------------------+ PURPOSE : This function reports the sent HDLC frames to MMI if desired. */ LOCAL void bcs_report_snd(void) { T_sdu *BCI_stream = (T_sdu*)t30_data->BCI_stream; // Binary Coded Information PALLOC_SDU(t30_report_ind, T30_REPORT_IND, REPORT_SIZE_BITS); bcs_build_report(&BCI_stream->buf[0], (USHORT)((BCI_stream->l_buf >> 3) + 2), t30_report_ind); t30_report_ind->dir = DIR_SND; PSENDX (MMI, t30_report_ind); } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_fcs_gen | +--------------------------------------------------------------------+ PURPOSE : This function generates the frame checking sequence for one HDLC frame. */ LOCAL void bcs_fcs_gen (void) { T_sdu *sdu = (T_sdu*)t30_data->BCI_stream; USHORT end = (sdu->l_buf >> 3) + 2; USHORT pos; UBYTE i; #ifdef _SIMULATION_ /* FCS generating/checking OFF */ if (t30_data->test_mode & TST_FCS) { pos = end; sdu->buf[pos++] = 0x12; sdu->buf[pos++] = 0xEF; } else #endif { USHORT crctt = 0xffff; for (pos = 0; pos < end; pos++) { SHORT tmp = (crctt >> 8) ^ sdu->buf[pos]; crctt = ((crctt << 8) ^ crctab[tmp & 0xff]) & 0xffff; } sdu->buf[pos++] = (~(crctt & 0xffff) & 0xffff) >> 8;/*lint !e661 !e662 (Warning -- Possible access/creation of out-of-bounds pointer)*/ sdu->buf[pos++] = (~(crctt & 0xffff) & 0xff);/*lint !e661 !e662 (Warning -- Possible access/creation of out-of-bounds pointer)*/ } sdu->l_buf += 32; /* 4 bytes more */ for (i = 0; i < HDLC_FLAGS; i++) { sdu->buf[pos++] = HDLC_FLAG;/*lint !e661 !e662 (Warning -- Possible access/creation of out-of-bounds pointer)*/ sdu->l_buf += 8; } sdu->o_buf = 0; } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_stuff | +--------------------------------------------------------------------+ PURPOSE : This function stuffs the BCS data. */ LOCAL void bcs_stuff (UBYTE final) { T_sdu *sdu_inp = (T_sdu*)t30_data->BCI_stream; T_sdu *sdu_out = &t30_data->fad_data_req->sdu; UBYTE *buf_in = sdu_inp->buf; USHORT len_in = sdu_inp->l_buf >> 3; UBYTE *buf_out; USHORT len_out = sdu_out->l_buf >> 3; USHORT i; #ifdef _SIMULATION_ /* bit stuffing/destuffing OFF */ if (t30_data->test_mode & TST_STUFF) { buf_out = &sdu_out->buf[len_out]; memcpy (buf_out, buf_in, len_in); sdu_out->l_buf = (len_out + len_in) << 3; return; } #endif buf_out = sdu_out->buf; for (i = 0; i < len_in; i++) { USHORT bit_ptr = 0x80; UBYTE stuff = 1; /* check HDLC_FLAGS */ if (buf_in[i] EQ HDLC_FLAG) { USHORT k; for (k = 0; k < HDLC_FLAGS; k++) { if (i EQ len_in - k - 1) { stuff = 0; break; } } } do { switch (buf_in[i] & bit_ptr) { default: buf_out[len_out] = (buf_out[len_out] << 1) | 1; if (! --t30_data->stuff_bits) { len_out++; t30_data->stuff_bits = 8; } if (!stuff) { t30_data->stuff_ones = 0; break; } if (++t30_data->stuff_ones != 5) break; /* * otherwise fall through */ case 0: buf_out[len_out] <<= 1; t30_data->stuff_ones = 0; if (! --t30_data->stuff_bits) { len_out++; t30_data->stuff_bits = 8; } break; } bit_ptr >>= 1; } while (bit_ptr); } if (final EQ FINAL_YES AND t30_data->stuff_bits NEQ 8) { buf_out[len_out] <<= t30_data->stuff_bits; len_out++; } sdu_out->l_buf = len_out << 3; if (final EQ FINAL_YES) { t30_data->stuff_ones = 0; t30_data->stuff_bits = 8; } } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_bcs_encode | +--------------------------------------------------------------------+ PURPOSE : This function encodes the HDLC frames, reports the HDLC frames to MMI if desired, generates the frame checking sequence and stuffs the bits. */ GLOBAL void bcs_bcs_encode(UBYTE ctrl, UBYTE final) { T_sdu *sdu = (T_sdu*)t30_data->BCI_stream; switch (sdu->buf[2])/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ { case BCS_DIS: TRACE_EVENT ("Send BCS_DIS"); break; case BCS_CSI: TRACE_EVENT ("Send BCS_CSI"); break; case BCS_NSF: TRACE_EVENT ("Send BCS_NSF"); break; case BCS_DTC: TRACE_EVENT ("Send BCS_DTC"); break; case BCS_CIG: TRACE_EVENT ("Send BCS_CIG"); break; case BCS_NSC: TRACE_EVENT ("Send BCS_NSC"); break; case BCS_PWD_POLL: TRACE_EVENT ("Send BCS_PWD_POLL"); break; case BCS_SEP: TRACE_EVENT ("Send BCS_SEP"); break; case BCS_CFR: TRACE_EVENT ("Send BCS_CFR"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_CRP: TRACE_EVENT ("Send BCS_CRP"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_DCN: TRACE_EVENT ("Send BCS_DCN"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_DCS: TRACE_EVENT ("Send BCS_DCS"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_EOM: TRACE_EVENT ("Send BCS_EOM"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_EOP: TRACE_EVENT ("Send BCS_EOP"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_FTT: TRACE_EVENT ("Send BCS_FTT"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_MCF: TRACE_EVENT ("Send BCS_MCF"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_MPS: TRACE_EVENT ("Send BCS_MPS"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_NSS: TRACE_EVENT ("Send BCS_NSS"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_PIN: TRACE_EVENT ("Send BCS_PIN"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_PIP: TRACE_EVENT ("Send BCS_PIP"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_PRI_EOM: TRACE_EVENT ("Send BCS_PRI_EOM"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_PRI_EOP: TRACE_EVENT ("Send BCS_PRI_EOP"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_PRI_MPS: TRACE_EVENT ("Send BCS_PRI_MPS"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_PWD_SND: TRACE_EVENT ("Send BCS_PWD_SND"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_RTN: TRACE_EVENT ("Send BCS_RTN"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_RTP: TRACE_EVENT ("Send BCS_RTP"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_SUB: TRACE_EVENT ("Send BCS_SUB"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; case BCS_TSI: TRACE_EVENT ("Send BCS_TSI"); sdu->buf[2] |= t30_data->dir;/*lint !e415 !e416 (Warning -- access/creation of out-of-bounds pointer)*/ break; } sdu->buf[0] = HDLC_ADDR; sdu->buf[1] = ctrl;/*lint !e415 (Warning -- access of out-of-bounds pointer)*/ if (t30_data->hdlc_report) { bcs_report_snd(); } bcs_fcs_gen(); bcs_stuff(final); } /* +--------------------------------------------------------------------+ | PROJECT : GSM-F&D (8411) MODULE : T30_BCSF | | STATE : code ROUTINE : bcs_fill_bcs_frm | +--------------------------------------------------------------------+ PURPOSE : This function checks if the BCS frame buffer has enough space to append the received data. If there is enough space the data is appended. If not than BCS_FRM_FULL is returned. */ GLOBAL UBYTE bcs_fill_bcs_frm (T_FAD_DATA_IND *fad_data_ind) { USHORT data_len = fad_data_ind->sdu.l_buf >> 3; T_sdu *sdu = (T_sdu*)t30_data->bcs_frm; TRACE_FUNCTION("bcs_fill_bcs_frm()"); if (sdu->l_buf + data_len < BCS_FRM_SIZE) { memcpy (&sdu->buf[sdu->l_buf], fad_data_ind->sdu.buf, data_len); sdu->l_buf += data_len; return ((fad_data_ind->final) ? BCS_FRM_FILLED : BCS_FRM_FILLING); } else { sdu->l_buf = BCS_FRM_SIZE; return (BCS_FRM_FULL); } }