FreeCalypso > hg > fc-selenite
view src/g23m-aci/gdd_dio/gdd_dio_if.c @ 9:6da1d56a96a3
cdg-hybrid: import from Magnetite
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 15 Jul 2018 21:08:11 +0000 |
parents | d393cd9bb723 |
children |
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/* +----------------------------------------------------------------------------- | Project : | Modul : +----------------------------------------------------------------------------- | Copyright 2004 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 : Implementation of the GDD interface with DIOv4 +----------------------------------------------------------------------------- */ #define GDD_DIO_IF_C /*==== INCLUDES =============================================================*/ #include <string.h> #include <stdlib.h> #include <stddef.h> #include "typedefs.h" #include "pcm.h" #include "vsi.h" #include "custom.h" #include "gsm.h" #include "pei.h" #include "gdd.h" #include "gdd_dio_data.h" #include "gdd_dio.h" #include "gdd_dio_con_mgr.h" #include "gdd_dio_queue.h" #include "gdd_dio_dtxf.h" #include "gdd_dio_drxf.h" /*==== CONSTANTS ============================================================*/ /*==== TYPES ================================================================*/ /*==== PROTOTYPES ===========================================================*/ /*==== GLOBAL VARS ==========================================================*/ /*==== LOCAL VARS ===========================================================*/ /*==== LOCAL FUNCTIONS=======================================================*/ /*==== EXPORTED FUNCTIONS====================================================*/ /** gdd_init_dio - see header "gdd.h" for comment and description */ GDD_RESULT gdd_init_dio ( T_GDD_INST_ID inst, void * mem, U16 num_con ) { T_GDD_DIO_DATA * gdd_dio_data; TRACE_FUNCTION("[GDD] gdd_init_dio()"); /* Check params */ if(inst < GDD_INST_BAT || inst >= GDD_NUM_INSTS) { TRACE_ERROR("[GDD] Instance id out of bounds"); return GDD_INVALID_PARAMS; } gdd_dio_data = &gdd_dio_data_base[inst]; if(gdd_dio_init_flag[inst]) { TRACE_ERROR("[GDD] Attempted to call gdd_init_dio() twice for same instance"); return GDD_ALREADY_INITIALIZED; } if(num_con < 1 || num_con > gdd_dio_data->max_con) { TRACE_ERROR("[GDD] Number of connections out of bounds"); return GDD_INVALID_PARAMS; } if(mem) { gdd_dio_data->con_arr = mem; gdd_dio_data->con_arr_mem_allocated = FALSE; } else { gdd_dio_data->con_arr = 0; MALLOC(gdd_dio_data->con_arr, GDD_DIO_SIZEOF_CONDATA * num_con); if(gdd_dio_data->con_arr EQ 0) { TRACE_ERROR("[GDD] memory allocation failed"); return GDD_NO_MEMORY; } gdd_dio_data->con_arr_mem_allocated = TRUE; } gdd_dio_data->max_con = num_con; /* Initialize the connection manager */ gdd_dio_con_mgr_init(gdd_dio_data); gdd_dio_init_flag[inst] = TRUE; return GDD_OK; } /** gdd_deinit - see header "gdd.h" for comment and description*/ GDD_RESULT gdd_deinit_dio ( T_GDD_INST_ID inst ) { T_GDD_DIO_DATA * gdd_dio_data = 0; TRACE_FUNCTION("[GDD] gdd_deinit_dio()"); if(inst < GDD_INST_BAT || inst >= GDD_NUM_INSTS) { TRACE_ERROR("[GDD] instance id out of bounds"); return GDD_INVALID_PARAMS; } gdd_dio_data = &gdd_dio_data_base[inst]; /* If we allocated our own memory, free it. */ if(gdd_dio_data->con_arr_mem_allocated EQ FALSE) { MFREE(gdd_dio_data->con_arr); gdd_dio_data->con_arr = 0; gdd_dio_data->con_arr_mem_allocated = FALSE; } gdd_dio_init_flag[inst] = FALSE; return GDD_OK; } /** gdd_connect - see header "gdd.h" for comment and description */ GDD_RESULT gdd_connect_dio ( T_GDD_INST_ID inst, T_GDD_CON_HANDLE * con_handle, const T_GDD_CAP * cap, T_GDD_RECEIVE_DATA_CB rcv_cb, T_GDD_SIGNAL_CB sig_cb ) { T_GDD_DIO_DATA * gdd_dio_data; TRACE_FUNCTION("[GDD] gdd_connect_dio()"); /** * Do the necessary checks. */ if(inst < GDD_INST_BAT || inst >= GDD_NUM_INSTS) { TRACE_ERROR("[GDD] instance id out of bounds"); return GDD_INVALID_PARAMS; } gdd_dio_data = &gdd_dio_data_base[inst]; if (gdd_dio_data->ker.state NEQ GDD_DIO_KER_READY) { TRACE_ERROR("[GDD] DIO driver not initialized"); return DRV_INTERNAL_ERROR; } /* Check if we are already initialized. If we not, we do it ourselfs! */ /* This is specific to the DIO implementation of GDD */ if(gdd_dio_init_flag[inst] EQ FALSE) { gdd_init_dio(inst, 0, gdd_dio_data->max_con); } if(con_handle EQ 0) { TRACE_ERROR("[GDD] Connection handle pointer cannot be 0"); return GDD_INVALID_PARAMS; } if(cap EQ 0) { TRACE_ERROR("[GDD] Capabilities pointer cannot be 0"); return GDD_INVALID_PARAMS; } if(rcv_cb EQ 0 || sig_cb EQ 0) { TRACE_ERROR("[GDD] Callback function pointer cannot be 0"); return GDD_INVALID_PARAMS; } /** * We are ready to create the DIO connection */ return gdd_dio_con_mgr_new(gdd_dio_data, con_handle, cap, rcv_cb, sig_cb); } /** gdd_disconnect - see header "gdd.h" for comment and description */ GDD_RESULT gdd_disconnect_dio ( T_GDD_CON_HANDLE con_handle ) { if(con_handle EQ 0) { TRACE_ERROR("[GDD] Connection handle cannot be 0"); return GDD_INVALID_PARAMS; } /* * Inform the connection manager */ return gdd_dio_con_mgr_close(con_handle); } /** gdd_get_send_buffer - see header "gdd.h" for comment and description */ GDD_RESULT gdd_get_send_buffer_dio ( T_GDD_CON_HANDLE con_handle, T_GDD_BUF ** buf, U16 data_size ) { TRACE_USER_CLASS(TC_FUNC_DATA_FLOW, "[GDD] gdd_get_send_buffer_dio()"); if(con_handle EQ 0) { TRACE_ERROR("[GDD] Connection handle cannot be 0"); return GDD_INVALID_PARAMS; } if(buf EQ NULL) { TRACE_ERROR("[GDD] buf cannot be NULL"); return GDD_INVALID_PARAMS; } return gdd_dio_dtx_get_send_buffer(con_handle, buf, data_size); } /** gdd_send_data - see header "gdd.h" for comment and description */ GDD_RESULT gdd_send_data_dio ( T_GDD_CON_HANDLE con_handle, T_GDD_BUF * buf ) { TRACE_USER_CLASS(TC_FUNC_DATA_FLOW, "[GDD] gdd_send_data_dio()"); if(con_handle EQ 0) { TRACE_ERROR("[GDD] Connection handle cannot be 0"); return GDD_INVALID_PARAMS; } if(buf EQ NULL) { TRACE_ERROR("[GDD] buf cannot be NULL"); return GDD_INVALID_PARAMS; } return gdd_dio_dtx_send_buffer(con_handle, buf); } /** gdd_signal_ready_rcv - see header "gdd.h" for comment and description */ void gdd_signal_ready_rcv_dio( T_GDD_CON_HANDLE con_handle ) { TRACE_FUNCTION("[GDD] gdd_signal_ready_rcv_dio()"); if(con_handle NEQ 0) { return; } gdd_dio_drx_ready_to_rcv(con_handle); } /** Exported function table for DIO implementation of GDD */ T_GDD_FUNC gdd_func_dio = { gdd_init_dio, gdd_deinit_dio, gdd_connect_dio, gdd_disconnect_dio, gdd_get_send_buffer_dio, gdd_send_data_dio, gdd_signal_ready_rcv_dio }; /*==== EXPORTED HELPER FUNCTIONS=============================================*/ S32 gdd_write_buf_with_pid(const U8 * src_buf, U16 src_size, T_GDD_BUF * dest_buf, U8 protocol_id) { int idx_seg; int remaining; /* Check that we have more than one segment and that the first one is the PID segment which. */ TRACE_ASSERT(dest_buf->c_segment > 1); TRACE_ASSERT(dest_buf->ptr_gdd_segment[0].c_data EQ GDD_DIO_PID_SEG_SIZE); if( dest_buf->c_segment < 2 || dest_buf->ptr_gdd_segment[0].c_data NEQ GDD_DIO_PID_SEG_SIZE ) { return -1; } /* Set the protocol ID, which is carried in the first buffer segment */ /* Note: the DTI2 interface in the stack uses only 8 bits for the p_id. */ dest_buf->ptr_gdd_segment[0].ptr_data[0] = 0x0;/* not used, see note above */ dest_buf->ptr_gdd_segment[0].ptr_data[1] = protocol_id; remaining = src_size; for(idx_seg=1; idx_seg<dest_buf->c_segment; ++idx_seg) { T_GDD_SEGMENT * seg = &(dest_buf->ptr_gdd_segment[idx_seg]); int bytes_to_copy = remaining < seg->c_data ? remaining : seg->c_data; memcpy(seg->ptr_data, src_buf + src_size - remaining, bytes_to_copy); remaining -= bytes_to_copy; if(remaining EQ 0) break; } dest_buf->length = src_size - remaining + GDD_DIO_PID_SEG_SIZE; return remaining; } #define DTI_PID_IP (0x21) /* simple ip packet (IPv4) */ S32 gdd_write_buf(const U8 * src_buf, U16 src_size, T_GDD_BUF * dest_buf) { return gdd_write_buf_with_pid(src_buf, src_size, dest_buf, DTI_PID_IP); } S32 gdd_read_buf(const T_GDD_BUF * src_buf, U8 * dest_buf, U16 dest_size) { int idx_seg; int remaining; /* Check that we have more than one segment and that the first one is the PID segment which. */ TRACE_ASSERT(src_buf->c_segment > 1); TRACE_ASSERT(src_buf->ptr_gdd_segment[0].c_data EQ GDD_DIO_PID_SEG_SIZE); if( src_buf->c_segment < 2 || src_buf->ptr_gdd_segment[0].c_data NEQ GDD_DIO_PID_SEG_SIZE ) { return -1; } remaining = src_buf->length - GDD_DIO_PID_SEG_SIZE; if(remaining > dest_size) { remaining = dest_size; } for(idx_seg=1; idx_seg<src_buf->c_segment; ++idx_seg) { T_GDD_SEGMENT * seg = &(src_buf->ptr_gdd_segment[idx_seg]); int bytes_to_copy = remaining < seg->c_data ? remaining : seg->c_data; memcpy(dest_buf + dest_size - remaining, seg->ptr_data, bytes_to_copy); remaining -= bytes_to_copy; if(remaining EQ 0) break; } return remaining; }