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 #include "bt_utils.h" 25 26 /***************************************************************************** 27 ** Global data 28 *****************************************************************************/ 29 30 #if (AVRC_METADATA_INCLUDED == TRUE) 31 32 /******************************************************************************* 33 ** 34 ** Function avrc_pars_vendor_rsp 35 ** 36 ** Description This function parses the vendor specific commands defined by 37 ** Bluetooth SIG 38 ** 39 ** Returns AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. 40 ** Otherwise, the error code defined by AVRCP 1.4 41 ** 42 *******************************************************************************/ 43 static tAVRC_STS avrc_pars_vendor_rsp(tAVRC_MSG_VENDOR *p_msg, tAVRC_RESPONSE *p_result) 44 { 45 tAVRC_STS status = AVRC_STS_NO_ERROR; 46 UINT8 *p = p_msg->p_vendor_data; 47 UINT16 len; 48 UINT8 xx, yy; 49 tAVRC_NOTIF_RSP_PARAM *p_param; 50 tAVRC_APP_SETTING *p_app_set; 51 tAVRC_APP_SETTING_TEXT *p_app_txt; 52 tAVRC_ATTR_ENTRY *p_entry; 53 UINT32 *p_u32; 54 UINT8 *p_u8; 55 UINT16 size_needed; 56 UINT8 eventid=0; 57 58 BE_STREAM_TO_UINT8 (p_result->pdu, p); 59 p++; /* skip the reserved/packe_type byte */ 60 BE_STREAM_TO_UINT16 (len, p); 61 AVRC_TRACE_DEBUG("avrc_pars_vendor_rsp() ctype:0x%x pdu:0x%x, len:%d/0x%x", p_msg->hdr.ctype, p_result->pdu, len, len); 62 if (p_msg->hdr.ctype == AVRC_RSP_REJ) 63 { 64 p_result->rsp.status = *p; 65 return p_result->rsp.status; 66 } 67 68 switch (p_result->pdu) 69 { 70 /* case AVRC_PDU_REQUEST_CONTINUATION_RSP: 0x40 */ 71 /* case AVRC_PDU_ABORT_CONTINUATION_RSP: 0x41 */ 72 73 #if (AVRC_ADV_CTRL_INCLUDED == TRUE) 74 case AVRC_PDU_SET_ABSOLUTE_VOLUME: /* 0x50 */ 75 if (len != 1) 76 status = AVRC_STS_INTERNAL_ERR; 77 else 78 { 79 BE_STREAM_TO_UINT8 (p_result->volume.volume, p); 80 } 81 break; 82 #endif /* (AVRC_ADV_CTRL_INCLUDED == TRUE) */ 83 84 case AVRC_PDU_REGISTER_NOTIFICATION: /* 0x31 */ 85 #if (AVRC_ADV_CTRL_INCLUDED == TRUE) 86 BE_STREAM_TO_UINT8 (eventid, p); 87 if(AVRC_EVT_VOLUME_CHANGE==eventid 88 && (AVRC_RSP_CHANGED==p_msg->hdr.ctype || AVRC_RSP_INTERIM==p_msg->hdr.ctype 89 || AVRC_RSP_REJ==p_msg->hdr.ctype || AVRC_RSP_NOT_IMPL==p_msg->hdr.ctype)) 90 { 91 p_result->reg_notif.status=p_msg->hdr.ctype; 92 p_result->reg_notif.event_id=eventid; 93 BE_STREAM_TO_UINT8 (p_result->reg_notif.param.volume, p); 94 } 95 AVRC_TRACE_DEBUG("avrc_pars_vendor_rsp PDU reg notif response:event %x, volume %x",eventid, 96 p_result->reg_notif.param.volume); 97 #endif /* (AVRC_ADV_CTRL_INCLUDED == TRUE) */ 98 break; 99 default: 100 status = AVRC_STS_BAD_CMD; 101 break; 102 } 103 104 return status; 105 } 106 107 /******************************************************************************* 108 ** 109 ** Function AVRC_ParsResponse 110 ** 111 ** Description This function is a superset of AVRC_ParsMetadata to parse the response. 112 ** 113 ** Returns AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. 114 ** Otherwise, the error code defined by AVRCP 1.4 115 ** 116 *******************************************************************************/ 117 tAVRC_STS AVRC_ParsResponse (tAVRC_MSG *p_msg, tAVRC_RESPONSE *p_result, UINT8 *p_buf, UINT16 buf_len) 118 { 119 tAVRC_STS status = AVRC_STS_INTERNAL_ERR; 120 UINT16 id; 121 UNUSED(p_buf); 122 UNUSED(buf_len); 123 124 if (p_msg && p_result) 125 { 126 switch (p_msg->hdr.opcode) 127 { 128 case AVRC_OP_VENDOR: /* 0x00 Vendor-dependent commands */ 129 status = avrc_pars_vendor_rsp(&p_msg->vendor, p_result); 130 break; 131 132 case AVRC_OP_PASS_THRU: /* 0x7C panel subunit opcode */ 133 status = avrc_pars_pass_thru(&p_msg->pass, &id); 134 if (status == AVRC_STS_NO_ERROR) 135 { 136 p_result->pdu = (UINT8)id; 137 } 138 break; 139 140 default: 141 AVRC_TRACE_ERROR("AVRC_ParsResponse() unknown opcode:0x%x", p_msg->hdr.opcode); 142 break; 143 } 144 p_result->rsp.opcode = p_msg->hdr.opcode; 145 p_result->rsp.status = status; 146 } 147 return status; 148 } 149 150 151 #endif /* (AVRC_METADATA_INCLUDED == TRUE) */ 152
