mirror of https://github.com/ARMmbed/mbed-os.git
105 lines
2.5 KiB
C
105 lines
2.5 KiB
C
/* mbed Microcontroller Library
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* Copyright (c) 2018 ARM Limited
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "hal/sai_api.h"
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#if DEVICE_SAI
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#include "platform/mbed_toolchain.h"
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#include <string.h>
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const sai_format_t sai_mode_i2s16 = {
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.bclk_polarity = true,
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.wclk_polarity = true,
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.ws_delay = true,
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.ws_length = 16,
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.frame_length = 1,
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.word_mask = 0,
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.word_length = 16,
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.data_length = 16,
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.lsb_first = false,
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.aligned_left = true,
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.bit_shift = 0
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};
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const sai_format_t sai_mode_i2s16w32 = {
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.bclk_polarity = true,
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.wclk_polarity = true,
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.ws_delay = true,
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.ws_length = 32,
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.frame_length = 1,
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.word_mask = 0,
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.word_length = 32,
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.data_length = 16,
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.lsb_first = false,
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.aligned_left = true,
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.bit_shift = 0
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};
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const sai_format_t sai_mode_i2s32 = {
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.bclk_polarity = true,
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.wclk_polarity = true,
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.ws_delay = true,
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.ws_length = 32,
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.frame_length = 1,
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.word_mask = 0,
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.word_length = 32,
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.data_length = 32,
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.lsb_first = false,
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.aligned_left = true,
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.bit_shift = 0
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};
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const sai_format_t sai_mode_pcm16l = {
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.bclk_polarity = true,
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.wclk_polarity = true,
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.ws_delay = true,
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.ws_length = 13,
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.frame_length = 1,
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.word_mask = 0,
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.word_length = 16,
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.data_length = 16,
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.lsb_first = false,
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.aligned_left = true,
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.bit_shift = 0
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};
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const sai_format_t sai_mode_pcm16s = {
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.bclk_polarity = true,
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.wclk_polarity = true,
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.ws_delay = true,
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.ws_length = 1,
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.frame_length = 1,
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.word_mask = 0,
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.word_length = 16,
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.data_length = 16,
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.lsb_first = false,
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.aligned_left = true,
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.bit_shift = 0
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};
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bool sai_check_sanity(sai_init_t *init)
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{
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return (init != NULL) &&
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(init->sample_rate != 0) &&
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(init->format.ws_length <= init->format.word_length) &&
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(init->format.bit_shift <= (init->format.word_length - init->format.data_length)) &&
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(init->format.data_length <= init->format.word_length);
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}
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#endif // DEVICE_SAI
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