/****************************************************************************** * * This is the AVRC call-out function implementation for BTC. * ******************************************************************************/ // Copyright 2015-2018 Espressif Systems (Shanghai) PTE LTD // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. /***************************************************************************** * * Filename: bta_avrc_co.c * * Description: Bluetooth AVRC implementation * *****************************************************************************/ #include #include "common/bt_target.h" #include "bta/bta_sys.h" #include "bta/bta_av_api.h" #include "btc_avrc.h" #if BTC_AV_INCLUDED /******************************************************************************* ** ** Function bta_avrc_co_cmd_allowed ** ** Description Check if local AVRCP TG configuration supports a specific ** PASSTHROUGH command with the given operation_id ** ** Returns TRUE if operation_id is supported, FALSE otherwise ** *******************************************************************************/ BOOLEAN bta_avrc_co_cmd_allowed(tBTA_AV_RC rc_id) { if (rc_id >= BTA_AV_VENDOR) { return FALSE; } const uint16_t *rc_cmd = btc_avrc_tg_get_supported_command(); if (rc_cmd[rc_id >> 4] & ((uint16_t)1 << (rc_id & 0x0F))) { return TRUE; } else { return FALSE; } } /******************************************************************************* ** ** Function bta_avrc_co_rn_evt_cap ** ** Description get the event notifcation capabilities on AVRCP target ** ** Returns number of event_ids supported ** *******************************************************************************/ UINT8 bta_avrc_co_rn_evt_cap(UINT8 *event_ids) { if (event_ids == 0) { return 0; } UINT16 event_bits = btc_avrc_tg_get_rn_supported_evt(); UINT8 count = 0; for (UINT8 i = 0; i < 16; ++i, event_bits >>= 1) { if (event_bits & 0x01) { event_ids[count++] = i; } } return count; } /******************************************************************************* ** ** Function bta_avrc_co_evt_supported ** ** Description Check if local AVRCP TG configuration supports the given ** event_id ** ** Returns TRUE if operation_id is supported, FALSE otherwise ** *******************************************************************************/ BOOLEAN bta_avrc_co_rn_evt_supported(UINT8 event_id) { return btc_avrc_tg_rn_evt_supported(event_id) ? TRUE : FALSE; } /* the call out functions for AVRC */ tBTA_AVRC_CO_FUNCTS bta_avrc_cos = { bta_avrc_co_cmd_allowed, bta_avrc_co_rn_evt_cap, bta_avrc_co_rn_evt_supported, }; #endif /* #if BTC_AV_INCLUDED */