FreeCalypso > hg > fc-magnetite
view src/g23m-fad/rlp/rlp_rbm.c @ 362:4c3d05866531
FCHG: beginning of the new version
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 29 Dec 2017 07:06:06 +0000 |
parents | 90eb61ecd093 |
children |
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/* +----------------------------------------------------------------------------- | Project : CSD (8411) | Modul : Rlp_rbm.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 : This Modul defines the receive buffer manager for | the component Radio Link Protocol of the base station +----------------------------------------------------------------------------- */ #ifndef RLP_RBM_C #define RLP_RBM_C #endif #define ENTITY_RLP /*==== INCLUDES ===================================================*/ #include <string.h> #include "typedefs.h" #include "vsi.h" #include "custom.h" #include "gsm.h" #include "cus_rlp.h" #include "prim.h" #include "tok.h" #include "rlp.h" /*==== CONST =======================================================*/ /*==== TYPES =======================================================*/ /*==== VAR EXPORT ==================================================*/ /*==== VAR LOCAL ===================================================*/ /*==== FUNCTIONS ===================================================*/ /* +------------------------------------------------------------------------------ | Function : rbmi_alloc_curr_prim +------------------------------------------------------------------------------ | Description : | | Parameters : - | | | Return : - +------------------------------------------------------------------------------ */ LOCAL void rbmi_alloc_curr_prim ( void ) { USHORT sduSize = rlp_data->rbm.FramesPerPrim * rlp_data->rbm.FrameSize * 8; PALLOC_SDU ( rlp_data_ind, RLP_DATA_IND, sduSize ); TRACE_FUNCTION ("rbmi_alloc_curr_prim()"); rlp_data_ind->sdu.l_buf = rlp_data->rbm.FramesPerPrim * rlp_data->rbm.FrameSize * 8; rlp_data_ind->data_size = rlp_data->rbm.FrameSize - HEADER_LEN - TRAILER_LEN; rlp_data->rbm.CurrPrim = rlp_data_ind; rlp_data->rbm.CurrPrimCou = 0; } /* +------------------------------------------------------------------------------ | Function : rbmi_pq_enq +------------------------------------------------------------------------------ | Description : A primitive is put into the primitive queue. This is done | in rbm_buffer_all_in_sequence_frames when the current | primitive is filled up. | | | Parameters : prim - | | | Return : - +------------------------------------------------------------------------------ */ LOCAL void rbmi_pq_enq ( T_RBM_PRIM *prim ) { TRACE_FUNCTION ("rbmi_pq_enq()"); rlp_data->rbm.PQ_Array[rlp_data->rbm.PQ_Write] = prim; rlp_data->rbm.PQ_Write = (rlp_data->rbm.PQ_Write+1) % RBM_PQ_SIZE; } /* +------------------------------------------------------------------------------ | Function : rbmi_copy_frame_to_sdu +------------------------------------------------------------------------------ | Description : | | Parameters : frame - | sdu - | | | Return : - +------------------------------------------------------------------------------ */ LOCAL void rbmi_copy_frame_to_sdu(T_RBM_FRAMEPTR frame, T_sdu *sdu) { TRACE_FUNCTION ("rbmi_copy_frame_to_sdu()"); memcpy(sdu->buf+(sdu->o_buf>>3), frame, rlp_data->rbm.FrameSize); sdu->o_buf += rlp_data->rbm.FrameSize * 8; } /* +------------------------------------------------------------------------------ | Function : rbmi_buffer_frame +------------------------------------------------------------------------------ | Description : | | Parameters : fromSlot - | primIsReady - | | Return : - +------------------------------------------------------------------------------ */ LOCAL void rbmi_buffer_frame ( T_RBM_BUFFER_EXTIDX fromSlot, BOOL *primIsReady ) { TRACE_FUNCTION ("rbmi_buffer_frame()"); rbmi_copy_frame_to_sdu ( rlp_data->rbm.Slot[fromSlot].Frame, &rlp_data->rbm.CurrPrim->sdu ); if (++rlp_data->rbm.CurrPrimCou EQ rlp_data->rbm.FramesPerPrim) { rlp_data->rbm.CurrPrim->sdu.o_buf = 0; rbmi_pq_enq (rlp_data->rbm.CurrPrim); rbmi_alloc_curr_prim (); *primIsReady = TRUE; } } /* +------------------------------------------------------------------------------ | Function : rbmi_pq_deq +------------------------------------------------------------------------------ | Description : A rlp_data_ind primitive is taken from the queue. This | is done when the queue is not empty and a RLP_GETDATA_REQ | is executed. Of after storing a primitive in the queue, | when the upper layer is waiting for data. | | Parameters : prim - | | | Return : TRUE - | FALSE - +------------------------------------------------------------------------------ */ LOCAL BOOL rbmi_pq_deq ( T_RBM_PRIM **prim ) { TRACE_FUNCTION ("rbmi_pq_deq()"); if (rlp_data->rbm.PQ_Read NEQ rlp_data->rbm.PQ_Write) { *prim = rlp_data->rbm.PQ_Array[rlp_data->rbm.PQ_Read]; rlp_data->rbm.PQ_Array[rlp_data->rbm.PQ_Read] = (T_RBM_PRIM *) NULL; rlp_data->rbm.PQ_Read = (rlp_data->rbm.PQ_Read+1) % RBM_PQ_SIZE; return TRUE; } else { /* * prim buffer is empty */ return FALSE; } } /* +------------------------------------------------------------------------------ | Function : rbmi_pq_check +------------------------------------------------------------------------------ | Description : The prim queue is checked. | rcvReady indicates that there is still more than the | minimum space in the queue. | rcvFull indicates that the queue is completeley full. | | | Parameters : rcvReady - | rcvFull - | | Return : - +------------------------------------------------------------------------------ */ LOCAL void rbmi_pq_check ( BOOL *rcvReady, BOOL *rcvFull ) { T_RBM_PQ_INDEX writeMax, writeThresh; TRACE_FUNCTION ("rbmi_pq_check()"); writeMax = (rlp_data->rbm.PQ_Read + RBM_PQ_MAX_PRIM) % RBM_PQ_SIZE; writeThresh = (rlp_data->rbm.PQ_Read + RBM_PQ_THRE_RNR) % RBM_PQ_SIZE; /* * prim queue filled upto threshold? */ if (!(XOR ( XOR ( writeThresh > rlp_data->rbm.PQ_Write, rlp_data->rbm.PQ_Write > writeMax ), writeThresh > writeMax ) ) ) { *rcvReady = FALSE; *rcvFull = (rlp_data->rbm.PQ_Write EQ writeMax); } else { *rcvFull = FALSE; *rcvReady = TRUE; } } /* +------------------------------------------------------------------------------ | Function : rbm_set_wind_size +------------------------------------------------------------------------------ | Description : | | Parameters : windSize - | | | Return : TRUE - | FALSE - +------------------------------------------------------------------------------ */ GLOBAL BOOL rbm_set_wind_size ( T_RBM_BUFFER_INDEX windSize ) { BOOL resetTimers; T_RBM_BUFFER_INDEX n; T_RBM_BUFFER_INDEX nEnd; T_RBM_BUFFER_INDEX oldSize; TRACE_FUNCTION ("rbm_set_wind_size()"); resetTimers = FALSE; oldSize = rlp_data->rbm.K; rlp_data->rbm.K = windSize; if (windSize < oldSize) { n = rlp_data->rbm.VR + windSize; if (n >= RBM_BUF_SIZE) { n -= RBM_BUF_SIZE; } nEnd = rlp_data->rbm.VR + oldSize; if (nEnd >= RBM_BUF_SIZE) { nEnd -= RBM_BUF_SIZE; } do { switch (rlp_data->rbm.Slot[n].R_State) { case RBM_SREJ: case RBM_WAIT: resetTimers = TRUE; rlp_data->rbm.Slot[n].R_State = RBM_IDLE; break; default: break; } n += 1; if (n >= RBM_BUF_SIZE) { n = 0; } } while (n NEQ nEnd); } return (resetTimers); } /* +------------------------------------------------------------------------------ | Function : rbm_init +------------------------------------------------------------------------------ | Description : | | Parameters : windSize - | frameSize - | framesPerPrim - | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_init ( T_RBM_BUFFER_INDEX windSize, USHORT frameSize, USHORT framesPerPrim ) { USHORT n; TRACE_FUNCTION ("rbm_init()"); n = 0; rlp_data->rbm.FramesPerPrim = framesPerPrim; rlp_data->rbm.FrameSize = frameSize; for (n = 0; n < RBM_BUF_SIZE; n++) { rlp_data->rbm.Slot[n].R_State = RBM_IDLE; memset ( rlp_data->rbm.Slot[n].Frame, 0, rlp_data->rbm.FrameSize ); } rlp_data->rbm.VR = 0; rlp_data->rbm.FrameInRiBu = FALSE; memset ( rlp_data->rbm.Frame, 0, rlp_data->rbm.FrameSize ); for (n = 0; n < RBM_PQ_SIZE; n++) rlp_data->rbm.PQ_Array[n] = (T_RBM_PRIM *) NULL; rlp_data->rbm.PQ_Read = 0; rlp_data->rbm.PQ_Write = 0; rbmi_alloc_curr_prim (); rlp_data->rbm.K = windSize; rlp_data->rbm.Initialised = TRUE; } /* +------------------------------------------------------------------------------ | Function : rbm_deinit +------------------------------------------------------------------------------ | Description : This function frees all allocated T_RBM_PRIM primitives | of the receive buffer manager. | | Parameters : | | | Return : +------------------------------------------------------------------------------ */ GLOBAL void rbm_deinit ( void ) { TRACE_FUNCTION ("rbm_deinit()"); rlp_data->rbm.Initialised = FALSE; if (rlp_data->rbm.CurrPrim NEQ (T_RBM_PRIM *) NULL) { PFREE (rlp_data->rbm.CurrPrim) rlp_data->rbm.CurrPrim = (T_RBM_PRIM *) NULL; } while (rlp_data->rbm.PQ_Read NEQ rlp_data->rbm.PQ_Write) { if (rlp_data->rbm.PQ_Array[rlp_data->rbm.PQ_Read] NEQ (T_RBM_PRIM *) NULL) { PFREE (rlp_data->rbm.PQ_Array[rlp_data->rbm.PQ_Read]) rlp_data->rbm.PQ_Array[rlp_data->rbm.PQ_Read] = (T_RBM_PRIM *) NULL; } rlp_data->rbm.PQ_Read = (rlp_data->rbm.PQ_Read+1) % RBM_PQ_SIZE; } } /* +------------------------------------------------------------------------------ | Function : rbm_reset +------------------------------------------------------------------------------ | Description : This function must be called once at startup before any | other procedures of the RBM is invoked. (Coldstart) | | | Parameters : rlp_data_ptr - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_reset(T_RBM *rbm) { TRACE_FUNCTION ("rbm_reset()"); rbm->CurrPrim = (T_RBM_PRIM *) NULL; rbm->CurrPrimCou = 0; rbm->K = 0; rbm->FrameInRiBu = FALSE; rbm->FrameSize = FRAME_SIZE_SHORT; rbm->PQ_Read = 0; rbm->PQ_Write = 0; rbm->Initialised = FALSE; } /* +------------------------------------------------------------------------------ | Function : rbm_reset_srej_slots +------------------------------------------------------------------------------ | Description : | | Parameters : - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_reset_srej_slots ( void ) { T_RBM_BUFFER_INDEX n; TRACE_FUNCTION ("rbm_reset_srej_slots()"); for (n = 0; n < RBM_BUF_SIZE; n++) { switch (rlp_data->rbm.Slot[n].R_State) { case RBM_WAIT: case RBM_SREJ: rlp_data->rbm.Slot[n].R_State = RBM_IDLE; return; default: break; } } } /* +------------------------------------------------------------------------------ | Function : rbm_reset_all_r_states +------------------------------------------------------------------------------ | Description : | | Parameters : - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_reset_all_r_states ( void ) { T_RBM_BUFFER_INDEX n; TRACE_FUNCTION ("rbm_reset_all_r_states()"); for (n = 0; n < RBM_BUF_SIZE; n++) rlp_data->rbm.Slot[n].R_State = RBM_IDLE; } /* +------------------------------------------------------------------------------ | Function : rbm_check_slots_srej +------------------------------------------------------------------------------ | Description : Checks wheter a received slot is to be SREJted. | Returns RBM_INVALID: IDX if No SREJ pending | 0..n : Slot num to be SREJted | | Parameters : - | | | Return : n - | RBM_INVALID_IDX - +------------------------------------------------------------------------------ */ GLOBAL T_RBM_BUFFER_EXTIDX rbm_check_slots_srej(void) { T_RBM_BUFFER_INDEX n; TRACE_FUNCTION ("rbm_check_slots_srej()"); n = rlp_data->rbm.VR; do { switch (rlp_data->rbm.Slot[n].R_State) { case RBM_IDLE: return RBM_INVALID_IDX; case RBM_SREJ: return n; default: n = (n+1) % RBM_BUF_SIZE; break; } } while (n NEQ rlp_data->rbm.VR); return RBM_INVALID_IDX; } /* +------------------------------------------------------------------------------ | Function : rbm_set_rslot_wait +------------------------------------------------------------------------------ | Description : | | Parameters : slot - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_set_rslot_wait ( T_RBM_BUFFER_INDEX slot ) { TRACE_FUNCTION ("rbm_set_rslot_wait()"); rlp_data->rbm.Slot[slot].R_State = RBM_WAIT; } /* +------------------------------------------------------------------------------ | Function : rbm_set_rslot_wait2srej +------------------------------------------------------------------------------ | Description : | | Parameters : slot - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_set_rslot_wait2srej ( T_RBM_BUFFER_INDEX slot ) { TRACE_FUNCTION ("rbm_set_rslot_wait2srej()"); rlp_data->rbm.Slot[slot].R_State = RBM_SREJ; } /* +------------------------------------------------------------------------------ | Function : rbm_set_rslot_rcvd +------------------------------------------------------------------------------ | Description : | | Parameters : slot - | resetTimer - | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_set_rslot_rcvd ( T_RBM_BUFFER_EXTIDX slot, BOOL *resetTimer ) { TRACE_FUNCTION ("rbm_set_rslot_rcvd()"); if(slot EQ RBM_INVALID_IDX) slot = rlp_data->rbm.LastVR; switch (rlp_data->rbm.Slot[slot].R_State) { case RBM_WAIT: *resetTimer = TRUE; break; default: *resetTimer = FALSE; break; } rlp_data->rbm.Slot[slot].R_State = RBM_RCVD; } /* +------------------------------------------------------------------------------ | Function : rbm_get_current_frame +------------------------------------------------------------------------------ | Description : This function returns the current - i.e. last stored - | frame of the receive buffer. The frame may be in the ring | buffer or in the static buffer. | | Parameters : - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL T_RBM_FRAMEPTR rbm_get_current_frame ( void ) { T_RBM_FRAMEPTR frame; TRACE_FUNCTION ("rbm_get_current_frame()"); if (rlp_data->rbm.FrameInRiBu) frame = rlp_data->rbm.Slot[rlp_data->rbm.VR].Frame; else frame = rlp_data->rbm.Frame; return frame; } /* +------------------------------------------------------------------------------ | Function : rbm_accept_current_frame +------------------------------------------------------------------------------ | Description : This function advances VR to make sure, that the next | frame is stored in the next free slot. | | Parameters : - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_accept_current_frame ( void ) { TRACE_FUNCTION ("rbm_accept_current_frame()"); rlp_data->rbm.LastVR = rlp_data->rbm.VR; do { rlp_data->rbm.VR = (rlp_data->rbm.VR +1) % RBM_BUF_SIZE; } while (rlp_data->rbm.Slot[rlp_data->rbm.VR].R_State EQ RBM_RCVD); } /* +------------------------------------------------------------------------------ | Function : rbm_mark_missing_i_frames_srej +------------------------------------------------------------------------------ | Description : | | Parameters : ns - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_mark_missing_i_frames_srej ( T_RBM_BUFFER_INDEX ns ) { T_RBM_BUFFER_INDEX n; TRACE_FUNCTION ("rbm_mark_missing_i_frames_srej()"); n = rlp_data->rbm.VR; do { switch (rlp_data->rbm.Slot[n].R_State) { case RBM_IDLE: rlp_data->rbm.Slot[n].R_State = RBM_SREJ; break; default: break; } n = (n+1) % RBM_BUF_SIZE; } while (n NEQ ns); } /* +------------------------------------------------------------------------------ | Function : rbm_count_missing_i_frames +------------------------------------------------------------------------------ | Description : Counts all slots in R buffer, which will be marked by | rbm_mark_missing_i_frames_srej | | Parameters : ns - | count - | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_count_missing_i_frames ( T_RBM_BUFFER_INDEX ns, T_RBM_BUFFER_INDEX *count ) { T_RBM_BUFFER_INDEX n; TRACE_FUNCTION ("rbm_count_missing_i_frames()"); *count = 0; n = rlp_data->rbm.VR; do { switch (rlp_data->rbm.Slot[n].R_State) { case RBM_IDLE: (*count)++; break; default: break; } n = (n+1) % RBM_BUF_SIZE; } while (n NEQ ns); } /* +------------------------------------------------------------------------------ | Function : rbm_buffer_all_in_sequence_frames +------------------------------------------------------------------------------ | Description : | | Parameters : fromSlot - | primIsReady - | rcvReady - | rcvFull - | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_buffer_all_in_sequence_frames ( T_RBM_BUFFER_EXTIDX fromSlot, BOOL *primIsReady, BOOL *rcvReady, BOOL *rcvFull ) { TRACE_FUNCTION ("rbm_buffer_all_in_sequence_frames()"); if(fromSlot EQ RBM_INVALID_IDX) fromSlot = rlp_data->rbm.LastVR; *primIsReady = FALSE; do { rbmi_buffer_frame (fromSlot, primIsReady); rlp_data->rbm.Slot[fromSlot].R_State = RBM_IDLE; fromSlot = (fromSlot + 1) % RBM_BUF_SIZE; } while (rlp_data->rbm.Slot[fromSlot].R_State EQ RBM_RCVD); rbmi_pq_check (rcvReady, rcvFull); } /* +------------------------------------------------------------------------------ | Function : rbm_ns_check +------------------------------------------------------------------------------ | Description : | | Parameters : ns - | valid - | expected - | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_ns_check ( T_RBM_BUFFER_INDEX ns, BOOL *valid, BOOL *expected ) { USHORT max_ns; TRACE_FUNCTION ("rbm_ns_check()"); if(rlp_data->rbm.K EQ 0) { *valid = FALSE; *expected = FALSE; return; } max_ns = (rlp_data->rbm.VR + rlp_data->rbm.K -1) % RBM_BUF_SIZE; /* * ns within Window? */ if (!(XOR ( XOR ( rlp_data->rbm.VR > ns, ns > max_ns ), rlp_data->rbm.VR > max_ns ) ) ) { *valid = TRUE; *expected = (ns EQ rlp_data->rbm.VR); } else { *valid = FALSE; *expected = FALSE; } } /* +------------------------------------------------------------------------------ | Function : rbm_get_vr +------------------------------------------------------------------------------ | Description : | | Parameters : - | | | Return : VR +------------------------------------------------------------------------------ */ GLOBAL T_RBM_BUFFER_INDEX rbm_get_vr ( void ) { TRACE_FUNCTION ("rbm_get_vr()"); return rlp_data->rbm.VR; } /* +------------------------------------------------------------------------------ | Function : rbm_get_prim +------------------------------------------------------------------------------ | Description : This is just a wrapper for rbmi_pq_deq. The queu is an | internal matter of the RBM, therefore the function | rbmi_pq_deq should not be used directly by the user. | | Parameters : prim - | rcvReady - | rcvFull - | | Return : - +------------------------------------------------------------------------------ */ GLOBAL BOOL rbm_get_prim ( T_RBM_PRIM **prim, BOOL *rcvReady, BOOL *rcvFull ) { BOOL primFound; TRACE_FUNCTION ("rbm_get_prim()"); primFound = rbmi_pq_deq (prim); if (primFound) { rbmi_pq_check(rcvReady, rcvFull); } return primFound; } /* +------------------------------------------------------------------------------ | Function : rbm_get_curr_prim +------------------------------------------------------------------------------ | Description : | | Parameters : - | | | Return : prim +------------------------------------------------------------------------------ */ GLOBAL T_RBM_PRIM *rbm_get_curr_prim ( void ) { T_RBM_PRIM *prim; TRACE_FUNCTION ("rbm_get_curr_prim()"); rlp_data->rbm.CurrPrim->sdu.l_buf = rlp_data->rbm.CurrPrimCou * rlp_data->rbm.FrameSize * 8; rlp_data->rbm.CurrPrim->sdu.o_buf = 0; prim = rlp_data->rbm.CurrPrim; rbmi_alloc_curr_prim (); return prim; } /* +------------------------------------------------------------------------------ | Function : rbm_move_current_frame +------------------------------------------------------------------------------ | Description : | | Parameters : | | | Return : +------------------------------------------------------------------------------ */ GLOBAL void rbm_move_current_frame ( T_RBM_BUFFER_INDEX slot ) { TRACE_FUNCTION ("rbm_move_current_frame()"); memcpy ( rlp_data->rbm.Slot[slot].Frame, rlp_data->rbm.Slot[rlp_data->rbm.VR].Frame, rlp_data->rbm.FrameSize ); } /* +------------------------------------------------------------------------------ | Function : rbm_is_state_wait +------------------------------------------------------------------------------ | Description : This function is called from the HISR. It returns the | frame descriptor for the buffer, in which the HISR has to | write the received frame. | | | Parameters : slot - | | | Return : TRUE - | FALSE - +------------------------------------------------------------------------------ */ GLOBAL BOOL rbm_is_state_wait ( T_RBM_BUFFER_INDEX slot ) { TRACE_FUNCTION ("rbm_is_state_wait()"); if (rlp_data->rbm.Slot[slot].R_State EQ RBM_WAIT) return TRUE; else return FALSE; } /* +------------------------------------------------------------------------------ | Function : rbm_prepare_remap +------------------------------------------------------------------------------ | Description : | | Parameters : frameSize - | | | Return : +------------------------------------------------------------------------------ */ GLOBAL T_FRAME_NUM rbm_prepare_remap ( USHORT frameSize ) { T_RBM_PRIM *prim; USHORT oldFrameSize; USHORT currPrimCou; TRACE_FUNCTION ("rbm_prepare_remap()"); oldFrameSize = rlp_data->rbm.FrameSize; currPrimCou = rlp_data->rbm.CurrPrimCou; rlp_data->rbm.FrameSize = frameSize; prim = rbm_get_curr_prim (); prim->sdu.l_buf = currPrimCou * oldFrameSize * 8; rbmi_pq_enq (prim); return (rbm_get_vr()); } #ifdef _SIMULATION_ /* +------------------------------------------------------------------------------ | Function : rbm_store_frame +------------------------------------------------------------------------------ | Description : This procedure is only used in the simulation environment | to store a frame in the receive buffer. | In the implementation the copy is performed | by the RA adaptation layer | which has access to the shared memory area of the DSP. | | Parameters : frame - | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rbm_store_frame(T_RBM_FRAMEPTR frame) { TRACE_FUNCTION ("rbm_store_frame()"); if (rlp_data->rbm.Initialised) { memcpy ( rlp_data->rbm.Slot[rlp_data->rbm.VR].Frame, frame, rlp_data->rbm.FrameSize ); rlp_data->rbm.FrameInRiBu = TRUE; } else { memcpy ( rlp_data->rbm.Frame, frame, rlp_data->rbm.FrameSize ); rlp_data->rbm.FrameInRiBu = FALSE; } } #endif #ifdef _TARGET_ /* +------------------------------------------------------------------------------ | Function : rlp_rbm_get_next_buffer +------------------------------------------------------------------------------ | Description : This function is called from the HISR. It returns the | frame descriptor for the buffer, in which the HISR has to | write the received frame. | | | Parameters : frameDesc - | | | Return : - +------------------------------------------------------------------------------ */ GLOBAL void rlp_rbm_get_next_buffer(T_FRAME_DESC *frameDesc) { TRACE_FUNCTION ("rbm_get_next_buffer()"); if (rlp_data->rbm.Initialised) { frameDesc->Adr[0] = rlp_data->rbm.Slot[rlp_data->rbm.VR].Frame; rlp_data->rbm.FrameInRiBu = TRUE; } else { frameDesc->Adr[0] = rlp_data->rbm.Frame; rlp_data->rbm.FrameInRiBu = FALSE; } frameDesc->Len[0] = rlp_data->rbm.FrameSize; frameDesc->Adr[1] = (UBYTE *) NULL; frameDesc->Len[1] = 0; } #endif