FreeCalypso > hg > fc-magnetite
view src/g23m-fad/t30/t30.h @ 521:f9125919bbe4
README: update for Selenite
| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Sun, 22 Jul 2018 19:10:47 +0000 |
| parents | 90eb61ecd093 |
| children |
line wrap: on
line source
/* +----------------------------------------------------------------------------- | Project : GSM-F&D (8411) | Modul : T30 +----------------------------------------------------------------------------- | 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 : Definitions for the Protocol Stack Entity T30 +----------------------------------------------------------------------------- */ #ifndef T30_H #define T30_H #define SHARED_FAX_DATA_RAM #define KER_DEBUG_BCS #undef KER_DEBUG_MSG #undef SW_FLOW_CTRL /* * instance management */ #define GET_INSTANCE(p) &t30_data_base[0] #define T30_INSTANCES 1 /* * Constants */ #define HDLC_FLAG 0x7E /* * number of HDLC_FLAGs between HDLC fields */ #ifdef _SIMULATION_ #define HDLC_FLAGS 1 #else #define HDLC_FLAGS 3 #endif #define HDLC_ADDR 0xFF /****** Transparent Data Commands T.32 ******/ /* DLE transparency */ #define TDC_DLE 0x10 /* substitute one 0x10 pattern */ #define TDC_SUB 0x1a /* substitute two 0x10 patterns */ /* transmitter commands */ #define TDC_ETX 0x03 /* acknowledge <CAN> */ #define TDC_PRI 0x21 /* request Procedure Interrupt */ #define TDC_MPS 0x2c /* end of page, more to follow */ #define TDC_EOP 0x2e /* end of document and session */ #define TDC_EOM 0x3b /* end of document */ #define TDC_BCR 0x3f /* check Buffer Credit */ /* receiver commands */ #define TDC_SOH 0x41 /* <SOH> in packet data */ #define TDC_ETB 0x57 /* <ETB> in packet data */ #define TDC_OVR 0x4f /* overrun error marker */ #ifdef SW_FLOW_CTRL #define TDC_DC1 0x11 /* XON */ #endif #define TDC_DC2 0x12 /* receive buffer status: buffer is empty */ #ifdef SW_FLOW_CTRL #define TDC_DC3 0x13 /* XOFF */ #endif #define TDC_CAN 0x18 /* Requests DCE/DTE to stop delivering Phase C data */ #define MSG_SIZE_BITS 2880 /* value taken from former psa_t30.h */ /* * information for dti library */ #define T30_DTI_UP_INTERFACE 0 #define T30_DTI_UP_CHANNEL 0 #define T30_DTI_UP_DEF_INSTANCE 0 #define T30_DTI_UPLINK_QUEUE_SIZE 0 #define READY_UPLI_PAGE 1 #define READY_UPLI_SDU 2 #define BCS_FRM_FILLED 0 #define BCS_FRM_FILLING 1 #define BCS_FRM_FULL 2 #define BCS_FRM_SIZE 300 #define BCS_FRM_SIZE_BITS (BCS_FRM_SIZE << 3) #define CCD_OK 0 #define CCD_ERR 1 #define CHK_OK 0 #define CHK_FCS_ERR 1 #define CHK_FIN_ERR 2 #define CTL_C0 0xC0 #define CTL_C8 0xC8 #define ERR_BUF_FULL 1 #define ERR_CCD_DEC 2 /* #define ERR_CCD_ENC 3 */ #define ERR_FCS 4 #define ERR_FINAL 5 #define ERR_FRAME_NO_FLAG 6 #define ERR_FRAME_TOO_MANY_FRAMES 7 #define FINAL_NO 0 #define FINAL_YES 1 #define FMOD_IDLE 0 #define FMOD_SND 1 #define FMOD_RCV 2 #define FMOD_POLL 3 #define FRAMES_MAX 10 #define FRM_OK 0 #define FRM_ERR_NO_FLAG 1 #define FRM_ERR_TOO_MANY_FRAMES 2 #define REPORT_SIZE 128 #define REPORT_SIZE_BITS (REPORT_SIZE << 3) #define RTC_NO 0 #define RTC_YES 1 /* * Bitoffset for encoding/decoding */ #define ENCODE_OFFSET 0 #define T30_HEADER_LEN_BYT 2 /* Address byte and control byte */ #define T30_TRAILER_LEN_BYT 2 /* FCS */ #define BIT_STREAM_LEN_BYT ((MAX_BITSTREAM_LEN_T30 + 7) / 8) /* No. of bytes, rounded to byte boundary */ #define HDLC_BUF_SIZE (2 * sizeof(USHORT) + T30_HEADER_LEN_BYT + BIT_STREAM_LEN_BYT + T30_TRAILER_LEN_BYT) /* SDU header + T30 Header + HDLC Info + Trailer*/ #define HDLC_BUF_SIZE_LNG ((HDLC_BUF_SIZE + sizeof (ULONG) - 1) / sizeof (ULONG)) /* No. of ULONGs, rounded to long boundary */ /* * Timer */ #define T1 0 /* Timer T1 */ #define T2 1 /* Timer T2 */ #define T4 2 /* Timer T4 */ /* * Dynamic Configuration Numbers */ #define TIMER_SET 1 #define TIMER_RESET 2 #define TIMER_SPEED_UP 3 #define TIMER_SLOW_DOWN 4 #define TIMER_SUPPRESS 5 /* * State index for the entity processes */ #define KER ker. #define MUX mux. /* * States of the entity processes * * Process KER */ enum { T30_NULL, T30_DCN, T30_IDLE, T30_RCV_CFR, T30_RCV_DAT, T30_RCV_DATW, T30_RCV_DCN, T30_RCV_DCS, T30_RCV_DIS, T30_RCV_MCF, T30_RCV_MSG, T30_RCV_MSGW, T30_RCV_PI, T30_RCV_PST, T30_RCV_PSTW, T30_RCV_RDY, T30_RCV_RDYF, T30_RCV_RDYW, T30_RCV_RT, T30_RCV_RT2, T30_RCV_T2, T30_RCV_TCF, T30_SND_CAP, T30_SND_CFR, T30_SND_DAT, T30_SND_DATF, T30_SND_DCN, T30_SND_DCN1, T30_SND_DCS, T30_SND_DTC, T30_SND_MCF, T30_SND_MSG, T30_SND_PI, T30_SND_PRI, T30_SND_PST, T30_SND_PSTW, T30_SND_RDY, T30_SND_RDYW, T30_SND_SGN, T30_SND_TCF, T30_ACTIVATE, T30_DEACTIVATE }; /* * Process MUX */ #define T30_MUX_OFF 0 #define T30_MUX_BCS 1 #define T30_MUX_MSG 2 /*==== TYPES ======================================================*/ /* * entity global data */ typedef struct { UBYTE state; #ifndef NTRACE char *state_name; #endif } T_STATE; typedef struct { UBYTE state; #ifndef NTRACE char *state_name; #endif UBYTE mode; } T_MUX; typedef struct { USHORT beg, end, len; } T_T30_FRAME; typedef struct { T_STATE ker; T_MUX mux; UBYTE dti_state; /* state variable for DTI library */ UBYTE threshold; BOOL rate_modified; UBYTE repeat; UBYTE sgn_ind; UBYTE sgn_req; UBYTE res; UBYTE prev; UBYTE fmod; UBYTE hdlc_report; UBYTE dir; UBYTE data_cnf; UBYTE preamble_ind; UBYTE bitorder; UBYTE stuff_bits; UBYTE stuff_ones; BOOL TDC_doli_pending; BOOL TDC_upli_pending; BOOL dti_data_ind_final; USHORT rtc_zero; USHORT rtc_eol; USHORT eol; USHORT trans_rate; USHORT frames_per_prim; T_T30_FRAME frm[FRAMES_MAX]; ULONG bcs_frm[(BCS_FRM_SIZE / sizeof (ULONG)) + 1]; ULONG BCI_stream[HDLC_BUF_SIZE_LNG]; ULONG link_id; T_hdlc_info hdlc_rcv; T_hdlc_info hdlc_snd; T_FAD_DATA_REQ *fad_data_req; T_DTI2_DATA_IND *dti_data_ind; T_DTI2_DATA_IND *dti_data_ind_empty; UBYTE *dti_data_req_ptr; T_desc2 *dti_data_req_desc; #ifdef _SIMULATION_ /* test_mode */ USHORT test_mode; #endif } T_T30_DATA; /*==== EXPORT =====================================================*/ #define T1_INDEX 0 #define T2_INDEX 1 #define T4_INDEX 2 /* * instance data base */ #ifdef T30_PEI_C GLOBAL T_T30_DATA *t30_data; #else EXTERN T_T30_DATA *t30_data; #endif #ifdef SHARED_FAX_DATA_RAM /*lint -e526 : not defined */ EXTERN UBYTE rlp_data_base[]; #define t30_data_base ((T_T30_DATA*)rlp_data_base) EXTERN ULONG rlp_data_magic_num; #define t30_data_magic_num rlp_data_magic_num #else #ifdef T30_PEI_C GLOBAL T_T30_DATA t30_data_base[T30_INSTANCES]; GLOBAL ULONG t30_data_magic_num; #else EXTERN T_T30_DATA t30_data_base[]; EXTERN ULONG t30_data_magic_num; #endif #endif /* !SHARED_FAX_DATA_RAM */ #define T30_DATA_MAGIC_NUM (('T'<<24) + ('3'<<16) + ('0'<<8)) /* "T30",NUL */ #define ENTITY_DATA t30_data /*--------------------------------------------------------------------- * Prototypes * * T30 KERNEL * * KERNEL primitive processing */ EXTERN void ker_fad_activate_cnf (T_FAD_ACTIVATE_CNF *fad_activate_cnf ); EXTERN void ker_fad_data_cnf (T_FAD_DATA_CNF *fad_data_cnf ); EXTERN void ker_fad_deactivate_cnf (T_FAD_DEACTIVATE_CNF *fad_deactivate_cnf); EXTERN void ker_fad_error_ind (T_FAD_ERROR_IND *fad_error_ind ); EXTERN void ker_fad_rcv_tcf_cnf (T_FAD_RCV_TCF_CNF *fad_rcv_tcf_cnf ); EXTERN void ker_fad_ready_ind (T_FAD_READY_IND *fad_ready_ind ); EXTERN void ker_fad_snd_tcf_cnf (T_FAD_SND_TCF_CNF *fad_snd_tcf_cnf ); EXTERN void ker_t30_activate_req (T_T30_ACTIVATE_REQ *t30_activate_req ); EXTERN void ker_t30_cap_req (T_T30_CAP_REQ *t30_cap_req ); EXTERN void ker_t30_config_req (T_T30_CONFIG_REQ *t30_config_req ); EXTERN void ker_t30_deactivate_req (T_T30_DEACTIVATE_REQ *t30_deactivate_req); EXTERN void ker_t30_modify_req (T_T30_MODIFY_REQ *t30_modify_req ); EXTERN void ker_t30_sgn_req (T_T30_SGN_REQ *t30_sgn_req ); EXTERN void ker_t30_dti_req (T_T30_DTI_REQ *t30_dti_req ); #ifdef OPTION_MULTITHREAD #define act_on_sgn_req _ENTITY_PREFIXED(act_on_sgn_req) #define sig_bcs_ker_bdat_ind _ENTITY_PREFIXED(sig_bcs_ker_bdat_ind) #define sig_bcs_ker_err_ind _ENTITY_PREFIXED(sig_bcs_ker_err_ind ) #define sig_msg_ker_mdat_ind _ENTITY_PREFIXED(sig_msg_ker_mdat_ind) #endif /* OPTION_MULTITHREAD */ EXTERN void act_on_sgn_req(void); EXTERN void sig_bcs_ker_bdat_ind(void); EXTERN void sig_bcs_ker_err_ind (UBYTE cause); EXTERN void sig_msg_ker_mdat_ind(T_FAD_DATA_IND *fad_data_ind); #define sig_dti_ker_connection_opened_ind \ _ENTITY_PREFIXED(sig_dti_ker_connection_opened_ind) #define sig_dti_ker_connection_closed_ind \ _ENTITY_PREFIXED(sig_dti_ker_connection_closed_ind) #define sig_dti_ker_tx_buffer_full_ind \ _ENTITY_PREFIXED(sig_dti_ker_tx_buffer_full_ind ) #define sig_dti_ker_tx_buffer_ready_ind \ _ENTITY_PREFIXED(sig_dti_ker_tx_buffer_ready_ind ) #define sig_dti_ker_data_received_ind \ _ENTITY_PREFIXED(sig_dti_ker_data_received_ind ) /* * wrapping functions for dtilib primitives */ /* * these functions are called by pei_dti_callback */ EXTERN void sig_dti_ker_connection_opened_ind(void); EXTERN void sig_dti_ker_connection_closed_ind(void); EXTERN void sig_dti_ker_tx_buffer_full_ind(void); EXTERN void sig_dti_ker_tx_buffer_ready_ind(void); EXTERN void sig_dti_ker_data_received_ind(T_DTI2_DATA_REQ *dti_data_req); /* * KERNEL procedures */ #ifdef OPTION_MULTITHREAD #define ker_check_rtc _ENTITY_PREFIXED(ker_check_rtc ) #define ker_check_rtc _ENTITY_PREFIXED(ker_check_rtc ) #define ker_fill_dcs_info _ENTITY_PREFIXED(ker_fill_dcs_info) #define ker_fill_dis_info _ENTITY_PREFIXED(ker_fill_dis_info) #define ker_fill_dtc_info _ENTITY_PREFIXED(ker_fill_dtc_info) #define ker_init _ENTITY_PREFIXED(ker_init ) #define ker_res_sub _ENTITY_PREFIXED(ker_res_sub ) #define ker_send_dcs _ENTITY_PREFIXED(ker_send_dcs ) #define ker_send_dis _ENTITY_PREFIXED(ker_send_dis ) #define ker_send_dtc _ENTITY_PREFIXED(ker_send_dtc ) #define ker_send_err _ENTITY_PREFIXED(ker_send_err ) #define snd_error_ind _ENTITY_PREFIXED(snd_error_ind ) #define snd_t30_sgn_ind _ENTITY_PREFIXED(snd_t30_sgn_ind ) #define snd_t30_sgn_ind _ENTITY_PREFIXED(snd_t30_sgn_ind ) #if defined _SIMULATION_ || defined KER_DEBUG_BCS || defined KER_DEBUG_MSG #define ker_debug _ENTITY_PREFIXED(ker_debug) #endif #define TDCcompress _ENTITY_PREFIXED(TDCcompress) #define prepare_dti_data_ind _ENTITY_PREFIXED(prepare_dti_data_ind) #define snd_dti_data_ind _ENTITY_PREFIXED(snd_dti_data_ind) #define snd_t30_phase_ind _ENTITY_PREFIXED(snd_t30_phase_ind) #define dti_connect_open _ENTITY_PREFIXED(dti_connect_open) #define dti_connect_setup _ENTITY_PREFIXED(dti_connect_setup) #define dti_connect_close _ENTITY_PREFIXED(dti_connect_close) #define dti_disconnect _ENTITY_PREFIXED(dti_disconnect) #define snd_t30_dti_cnf _ENTITY_PREFIXED(snd_t30_dti_cnf) #define snd_dti_ready_ind _ENTITY_PREFIXED(snd_dti_ready_ind) #endif EXTERN UBYTE ker_check_rtc (T_FAD_DATA_IND *fad_data_ind); EXTERN void ker_fill_dcs_info (T_BCS_DCS *bcs_dcs); EXTERN void ker_fill_dis_info (T_BCS_DIS *bcs_dis); EXTERN void ker_fill_dtc_info (T_BCS_DTC *bcs_dtc); EXTERN void ker_init (T_T30_DATA *t30_data); EXTERN void ker_send_dcs (T_T30_CAP_REQ *t30_cap_req); EXTERN void ker_send_dis (void); EXTERN void ker_send_dtc (T_T30_CAP_REQ *t30_cap_req); EXTERN void ker_send_err (USHORT cause); EXTERN void snd_complete_ind (UBYTE cmpl); EXTERN void snd_error_ind (USHORT cause); EXTERN void snd_t30_sgn_ind (UBYTE sgn); #if defined _SIMULATION_ || defined KER_DEBUG_BCS || defined KER_DEBUG_MSG EXTERN void ker_debug(CHAR *header, UBYTE *buf, USHORT len); #endif EXTERN UBYTE TDCcompress(T_desc2 *desc, T_sdu *sdu); EXTERN void prepare_dti_data_ind(T_FAD_DATA_IND *fad_data_ind); EXTERN void snd_dti_data_ind(T_DTI2_DATA_IND **dti_data_ind); EXTERN void snd_t30_phase_ind(UBYTE phase); EXTERN void dti_connect_setup(T_T30_DTI_REQ *t30_dti_req); EXTERN void dti_connect_open(); EXTERN void dti_connect_close(); EXTERN void dti_disconnect(); EXTERN void snd_t30_dti_cnf(UBYTE dti_conn); EXTERN void snd_dti_ready_ind(); /*--------------------------------------------------------------------- * T30 BCS FORMATTER * * BCS primitive processing */ /* * BCS signal processing */ #ifdef OPTION_MULTITHREAD #define sig_ker_bcs_bdat_req _ENTITY_PREFIXED(sig_ker_bcs_bdat_req) #define sig_mux_bcs_bcs_ind _ENTITY_PREFIXED(sig_mux_bcs_bcs_ind ) #endif EXTERN void sig_ker_bcs_bdat_req (UBYTE final); EXTERN void sig_mux_bcs_bcs_ind (T_FAD_DATA_IND *fad_data_ind); /* * BCS procedures */ #ifdef OPTION_MULTITHREAD #define bcs_bcs_decode _ENTITY_PREFIXED(bcs_bcs_decode ) #define bcs_bcs_encode _ENTITY_PREFIXED(bcs_bcs_encode ) #define bcs_fill_bcs_frm _ENTITY_PREFIXED(bcs_fill_bcs_frm) #define bcs_init _ENTITY_PREFIXED(bcs_init ) #endif EXTERN void bcs_bcs_decode (void); EXTERN void bcs_bcs_encode (UBYTE ctl, UBYTE final); EXTERN UBYTE bcs_fill_bcs_frm (T_FAD_DATA_IND *fad_data_ind); EXTERN void bcs_init (T_T30_DATA *); /*--------------------------------------------------------------------- * T30 MSG FORMATTER * * MSG primitive processing */ /* * MSG signal processing */ #ifdef OPTION_MULTITHREAD #define sig_ker_msg_mdat_req _ENTITY_PREFIXED(sig_ker_msg_mdat_req) #define sig_mux_msg_msg_ind _ENTITY_PREFIXED(sig_mux_msg_msg_ind) #endif EXTERN void sig_ker_msg_mdat_req (T_FAD_DATA_REQ *fad_data_req); EXTERN void sig_mux_msg_msg_ind (T_FAD_DATA_IND *fad_data_ind); /*--------------------------------------------------------------------- * T30 MULTIPLEXER * * MUX primitive processing */ EXTERN void mux_fad_data_ind (T_FAD_DATA_IND *fad_data_ind); EXTERN void mux_fad_mux_ind (T_FAD_MUX_IND *fad_mux_ind); /* * MUX signal processing */ #ifdef OPTION_MULTITHREAD #define sig_bcs_mux_bcs_req _ENTITY_PREFIXED(sig_bcs_mux_bcs_req) #define sig_ker_mux_mux_req _ENTITY_PREFIXED(sig_ker_mux_mux_req) #define sig_msg_mux_msg_req _ENTITY_PREFIXED(sig_msg_mux_msg_req) #endif EXTERN void sig_bcs_mux_bcs_req (T_FAD_DATA_REQ *fad_data_req); EXTERN void sig_ker_mux_mux_req (void); EXTERN void sig_msg_mux_msg_req (T_FAD_DATA_REQ *fad_data_req); #define MEMCOPSIZ(d,s) memcpy(d, s, sizeof(s)) /*--------------------------------------------------------------------- * timer */ #define TIMERSTART(i,v) vsi_t_start (VSI_CALLER i,v); #define TIMERSTATUS(i,v) vsi_t_status (VSI_CALLER i,v); #define TIMERSTOP(i) {vsi_t_stop (VSI_CALLER i); \ t30_data->data_cnf = FALSE;}; /* * Communication handles */ #ifdef OPTION_MULTITHREAD #define hCommFAD _ENTITY_PREFIXED(hCommFAD) #define hCommMMI _ENTITY_PREFIXED(hCommMMI) #endif EXTERN DTI_HANDLE t30_hDTI; /* DTI connection handle for DTI library */ #ifdef T30_PEI_C GLOBAL T_HANDLE t30_handle; GLOBAL T_HANDLE hCommFAD = VSI_ERROR; /* FAD Communication */ GLOBAL T_HANDLE hCommMMI = VSI_ERROR; /* MMI Communication */ #else EXTERN T_HANDLE t30_handle; EXTERN T_HANDLE hCommFAD; EXTERN T_HANDLE hCommMMI; #endif GLOBAL void t30_timeout (USHORT index); /* * entity common buffer for the decoded air interface message */ #ifdef OPTION_MULTITHREAD #define _decodedMsg _ENTITY_PREFIXED(_decodedMsg) #endif #ifdef T30_PEI_C GLOBAL const UBYTE BIT_MIRROR[] = { 0x00,0x80,0x40,0xc0,0x20,0xa0,0x60,0xe0, 0x10,0x90,0x50,0xd0,0x30,0xb0,0x70,0xf0, 0x08,0x88,0x48,0xc8,0x28,0xa8,0x68,0xe8, 0x18,0x98,0x58,0xd8,0x38,0xb8,0x78,0xf8, 0x04,0x84,0x44,0xc4,0x24,0xa4,0x64,0xe4, 0x14,0x94,0x54,0xd4,0x34,0xb4,0x74,0xf4, 0x0c,0x8c,0x4c,0xcc,0x2c,0xac,0x6c,0xec, 0x1c,0x9c,0x5c,0xdc,0x3c,0xbc,0x7c,0xfc, 0x02,0x82,0x42,0xc2,0x22,0xa2,0x62,0xe2, 0x12,0x92,0x52,0xd2,0x32,0xb2,0x72,0xf2, 0x0a,0x8a,0x4a,0xca,0x2a,0xaa,0x6a,0xea, 0x1a,0x9a,0x5a,0xda,0x3a,0xba,0x7a,0xfa, 0x06,0x86,0x46,0xc6,0x26,0xa6,0x66,0xe6, 0x16,0x96,0x56,0xd6,0x36,0xb6,0x76,0xf6, 0x0e,0x8e,0x4e,0xce,0x2e,0xae,0x6e,0xee, 0x1e,0x9e,0x5e,0xde,0x3e,0xbe,0x7e,0xfe, 0x01,0x81,0x41,0xc1,0x21,0xa1,0x61,0xe1, 0x11,0x91,0x51,0xd1,0x31,0xb1,0x71,0xf1, 0x09,0x89,0x49,0xc9,0x29,0xa9,0x69,0xe9, 0x19,0x99,0x59,0xd9,0x39,0xb9,0x79,0xf9, 0x05,0x85,0x45,0xc5,0x25,0xa5,0x65,0xe5, 0x15,0x95,0x55,0xd5,0x35,0xb5,0x75,0xf5, 0x0d,0x8d,0x4d,0xcd,0x2d,0xad,0x6d,0xed, 0x1d,0x9d,0x5d,0xdd,0x3d,0xbd,0x7d,0xfd, 0x03,0x83,0x43,0xc3,0x23,0xa3,0x63,0xe3, 0x13,0x93,0x53,0xd3,0x33,0xb3,0x73,0xf3, 0x0b,0x8b,0x4b,0xcb,0x2b,0xab,0x6b,0xeb, 0x1b,0x9b,0x5b,0xdb,0x3b,0xbb,0x7b,0xfb, 0x07,0x87,0x47,0xc7,0x27,0xa7,0x67,0xe7, 0x17,0x97,0x57,0xd7,0x37,0xb7,0x77,0xf7, 0x0f,0x8f,0x4f,0xcf,0x2f,0xaf,0x6f,0xef, 0x1f,0x9f,0x5f,0xdf,0x3f,0xbf,0x7f,0xff }; GLOBAL UBYTE _decodedMsg [MAX_MSTRUCT_LEN_T30]; #else EXTERN const UBYTE BIT_MIRROR[]; EXTERN UBYTE _decodedMsg[]; #endif #endif /* T30_H */