bdca41d0bf
implement a2dp.c and avdtp.c add a2dp related Kconfig: BT_AVDTP_RTP_VERSION, BT_A2DP_SOURCE and BT_A2DP_SINK a2dp_codec_sbc.c/h are used to provide some APIs to get A2DP SBC codec information. (like: channel num). Signed-off-by: Mark Wang <yichang.wang@nxp.com>
52 lines
1.2 KiB
C
52 lines
1.2 KiB
C
/*
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* Copyright 2024 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/kernel.h>
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#include <string.h>
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#include <errno.h>
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#include <zephyr/sys/atomic.h>
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#include <zephyr/sys/byteorder.h>
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#include <zephyr/sys/util.h>
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#include <zephyr/sys/printk.h>
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#include <zephyr/bluetooth/classic/a2dp_codec_sbc.h>
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#include <zephyr/bluetooth/classic/a2dp.h>
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uint8_t bt_a2dp_sbc_get_channel_num(struct bt_a2dp_codec_sbc_params *sbc_codec)
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{
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__ASSERT_NO_MSG(sbc_codec != NULL);
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if (sbc_codec->config[0] & A2DP_SBC_CH_MODE_MONO) {
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return 1U;
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} else if (sbc_codec->config[0] & A2DP_SBC_CH_MODE_DUAL) {
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return 2U;
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} else if (sbc_codec->config[0] & A2DP_SBC_CH_MODE_STREO) {
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return 2U;
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} else if (sbc_codec->config[0] & A2DP_SBC_CH_MODE_JOINT) {
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return 2U;
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} else {
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return 0U;
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}
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}
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uint32_t bt_a2dp_sbc_get_sampling_frequency(struct bt_a2dp_codec_sbc_params *sbc_codec)
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{
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__ASSERT_NO_MSG(sbc_codec != NULL);
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if (sbc_codec->config[0] & A2DP_SBC_SAMP_FREQ_16000) {
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return 16000U;
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} else if (sbc_codec->config[0] & A2DP_SBC_SAMP_FREQ_32000) {
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return 32000U;
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} else if (sbc_codec->config[0] & A2DP_SBC_SAMP_FREQ_44100) {
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return 44100U;
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} else if (sbc_codec->config[0] & A2DP_SBC_SAMP_FREQ_48000) {
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return 48000U;
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} else {
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return 0U;
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}
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}
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