diff options
Diffstat (limited to 'stack/avrc/avrc_pars_tg.c')
| -rw-r--r-- | stack/avrc/avrc_pars_tg.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/stack/avrc/avrc_pars_tg.c b/stack/avrc/avrc_pars_tg.c index b75ee907c..90bc5b30b 100644 --- a/stack/avrc/avrc_pars_tg.c +++ b/stack/avrc/avrc_pars_tg.c @@ -1,5 +1,7 @@ /****************************************************************************** * + * Copyright (c) 2015, The Linux Foundation. All rights reserved. + * Not a Contribution * Copyright (C) 2003-2013 Broadcom Corporation * * Licensed under the Apache License, Version 2.0 (the "License"); @@ -27,6 +29,67 @@ *****************************************************************************/ #if (AVRC_METADATA_INCLUDED == TRUE) +#if (AVRC_CTLR_INCLUDED == TRUE) +/******************************************************************************* +** +** Function avrc_ctrl_pars_vendor_cmd +** +** Description This function parses the vendor specific commands defined by +** Bluetooth SIG for AVRCP Conroller. +** +** Returns AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. +** Otherwise, the error code defined by AVRCP 1.4 +** +*******************************************************************************/ +static tAVRC_STS avrc_ctrl_pars_vendor_cmd(tAVRC_MSG_VENDOR *p_msg, tAVRC_COMMAND *p_result, + UINT8 *p_buf, UINT16 buf_len) +{ + tAVRC_STS status = AVRC_STS_NO_ERROR; + UINT8 *p = p_msg->p_vendor_data; + UINT16 len; + + p_result->pdu = *p++; + AVRC_TRACE_DEBUG("avrc_ctrl_pars_vendor_cmd() pdu:0x%x", p_result->pdu); + if (!AVRC_IsValidAvcType (p_result->pdu, p_msg->hdr.ctype)) + { + AVRC_TRACE_DEBUG("avrc_ctrl_pars_vendor_cmd() detects wrong AV/C type!"); + status = AVRC_STS_BAD_CMD; + } + + p++; /* skip the reserved byte */ + BE_STREAM_TO_UINT16 (len, p); + if ((len+4) != (p_msg->vendor_len)) + { + status = AVRC_STS_INTERNAL_ERR; + } + + if (status != AVRC_STS_NO_ERROR) + return status; + + switch (p_result->pdu) + { + case AVRC_PDU_SET_ABSOLUTE_VOLUME: + { + if(len!=1) + status = AVRC_STS_INTERNAL_ERR; + else + { + BE_STREAM_TO_UINT8 (p_result->volume.volume, p); + p_result->volume.volume = AVRC_MAX_VOLUME & p_result->volume.volume; + } + break; + } + case AVRC_PDU_REGISTER_NOTIFICATION: /* 0x31 */ + BE_STREAM_TO_UINT8 (p_result->reg_notif.event_id, p); + BE_STREAM_TO_UINT32 (p_result->reg_notif.param, p); + break; + default: + status = AVRC_STS_BAD_CMD; + break; + } + return status; +} +#endif /******************************************************************************* ** ** Function avrc_pars_vendor_cmd @@ -299,7 +362,43 @@ static tAVRC_STS avrc_pars_vendor_cmd(tAVRC_MSG_VENDOR *p_msg, tAVRC_COMMAND *p_ return status; } +#if (AVRC_CTLR_INCLUDED == TRUE) +/******************************************************************************* +** +** Function AVRC_Ctrl_ParsCommand +** +** Description This function is used to parse cmds received for CTRL +** Currently it is for SetAbsVolume and Volume Change Notification.. +** +** Returns AVRC_STS_NO_ERROR, if the message in p_data is parsed successfully. +** Otherwise, the error code defined by AVRCP 1.4 +** +*******************************************************************************/ +tAVRC_STS AVRC_Ctrl_ParsCommand (tAVRC_MSG *p_msg, tAVRC_COMMAND *p_result, UINT8 *p_buf, UINT16 buf_len) +{ + tAVRC_STS status = AVRC_STS_INTERNAL_ERR; + UINT16 id; + + if (p_msg && p_result) + { + switch (p_msg->hdr.opcode) + { + case AVRC_OP_VENDOR: /* 0x00 Vendor-dependent commands */ + status = avrc_ctrl_pars_vendor_cmd(&p_msg->vendor, p_result, p_buf, buf_len); + break; + default: + AVRC_TRACE_ERROR("AVRC_ParsCommand() unknown opcode:0x%x", p_msg->hdr.opcode); + break; + } + p_result->cmd.opcode = p_msg->hdr.opcode; + p_result->cmd.status = status; + } + BTIF_TRACE_IMP("AVRC_Ctrl_ParsCommand() return status:0x%x", + __FUNCTION__, status); + return status; +} +#endif /******************************************************************************* ** ** Function AVRC_ParsCommand |