1 /****************************************************************************** 2 * 3 * Copyright (C) 2006-2013 Broadcom Corporation 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 #include <string.h> 19 20 #include "gki.h" 21 #include "avrc_api.h" 22 #include "avrc_defs.h" 23 #include "avrc_int.h" 24 25 /***************************************************************************** 26 ** Global data 27 *****************************************************************************/ 28 29 #if (AVRC_METADATA_INCLUDED == TRUE) 30 31 /******************************************************************************* 32 ** 33 ** Function avrc_pars_vendor_rsp 34 ** 35 ** Description This function parses the vendor specific commands defined by 36 ** Bluetooth SIG 37 ** 38 ** Returns AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. 39 ** Otherwise, the error code defined by AVRCP 1.4 40 ** 41 *******************************************************************************/ 42 static tAVRC_STS avrc_pars_vendor_rsp(tAVRC_MSG_VENDOR *p_msg, tAVRC_RESPONSE *p_result, UINT8 *p_buf, UINT16 buf_len) 43 { 44 tAVRC_STS status = AVRC_STS_NO_ERROR; 45 UINT8 *p = p_msg->p_vendor_data; 46 UINT16 len; 47 UINT8 xx, yy; 48 tAVRC_NOTIF_RSP_PARAM *p_param; 49 tAVRC_APP_SETTING *p_app_set; 50 tAVRC_APP_SETTING_TEXT *p_app_txt; 51 tAVRC_ATTR_ENTRY *p_entry; 52 UINT32 *p_u32; 53 UINT8 *p_u8; 54 UINT16 size_needed; 55 UINT8 eventid=0; 56 57 BE_STREAM_TO_UINT8 (p_result->pdu, p); 58 p++; /* skip the reserved/packe_type byte */ 59 BE_STREAM_TO_UINT16 (len, p); 60 AVRC_TRACE_DEBUG4("avrc_pars_vendor_rsp() ctype:0x%x pdu:0x%x, len:%d/0x%x", p_msg->hdr.ctype, p_result->pdu, len, len); 61 if (p_msg->hdr.ctype == AVRC_RSP_REJ) 62 { 63 p_result->rsp.status = *p; 64 return p_result->rsp.status; 65 } 66 67 switch (p_result->pdu) 68 { 69 /* case AVRC_PDU_REQUEST_CONTINUATION_RSP: 0x40 */ 70 /* case AVRC_PDU_ABORT_CONTINUATION_RSP: 0x41 */ 71 72 #if (AVRC_ADV_CTRL_INCLUDED == TRUE) 73 case AVRC_PDU_SET_ABSOLUTE_VOLUME: /* 0x50 */ 74 if (len != 1) 75 status = AVRC_STS_INTERNAL_ERR; 76 else 77 { 78 BE_STREAM_TO_UINT8 (p_result->volume.volume, p); 79 } 80 break; 81 #endif /* (AVRC_ADV_CTRL_INCLUDED == TRUE) */ 82 83 case AVRC_PDU_REGISTER_NOTIFICATION: /* 0x31 */ 84 #if (AVRC_ADV_CTRL_INCLUDED == TRUE) 85 BE_STREAM_TO_UINT8 (eventid, p); 86 if(AVRC_EVT_VOLUME_CHANGE==eventid 87 && (AVRC_RSP_CHANGED==p_msg->hdr.ctype || AVRC_RSP_INTERIM==p_msg->hdr.ctype 88 || AVRC_RSP_REJ==p_msg->hdr.ctype || AVRC_RSP_NOT_IMPL==p_msg->hdr.ctype)) 89 { 90 p_result->reg_notif.status=p_msg->hdr.ctype; 91 p_result->reg_notif.event_id=eventid; 92 BE_STREAM_TO_UINT8 (p_result->reg_notif.param.volume, p); 93 } 94 AVRC_TRACE_DEBUG2("avrc_pars_vendor_rsp PDU reg notif response:event %x, volume %x",eventid, 95 p_result->reg_notif.param.volume); 96 #endif /* (AVRC_ADV_CTRL_INCLUDED == TRUE) */ 97 break; 98 default: 99 status = AVRC_STS_BAD_CMD; 100 break; 101 } 102 103 return status; 104 } 105 106 /******************************************************************************* 107 ** 108 ** Function AVRC_ParsResponse 109 ** 110 ** Description This function is a superset of AVRC_ParsMetadata to parse the response. 111 ** 112 ** Returns AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. 113 ** Otherwise, the error code defined by AVRCP 1.4 114 ** 115 *******************************************************************************/ 116 tAVRC_STS AVRC_ParsResponse (tAVRC_MSG *p_msg, tAVRC_RESPONSE *p_result, UINT8 *p_buf, UINT16 buf_len) 117 { 118 tAVRC_STS status = AVRC_STS_INTERNAL_ERR; 119 UINT16 id; 120 121 if (p_msg && p_result) 122 { 123 switch (p_msg->hdr.opcode) 124 { 125 case AVRC_OP_VENDOR: /* 0x00 Vendor-dependent commands */ 126 status = avrc_pars_vendor_rsp(&p_msg->vendor, p_result, p_buf, buf_len); 127 break; 128 129 case AVRC_OP_PASS_THRU: /* 0x7C panel subunit opcode */ 130 status = avrc_pars_pass_thru(&p_msg->pass, &id); 131 if (status == AVRC_STS_NO_ERROR) 132 { 133 p_result->pdu = (UINT8)id; 134 } 135 break; 136 137 default: 138 AVRC_TRACE_ERROR1("AVRC_ParsResponse() unknown opcode:0x%x", p_msg->hdr.opcode); 139 break; 140 } 141 p_result->rsp.opcode = p_msg->hdr.opcode; 142 p_result->rsp.status = status; 143 } 144 return status; 145 } 146 147 148 #endif /* (AVRC_METADATA_INCLUDED == TRUE) */ 149
