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51 lines
1.3 KiB
51 lines
1.3 KiB
/* |
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* Copyright (c) 2018 STMicroelectronics |
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* |
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* SPDX-License-Identifier: Apache-2.0 |
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*/ |
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#ifndef MPXXDTYY_H |
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#define MPXXDTYY_H |
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#include <audio/dmic.h> |
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#include <zephyr.h> |
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#include <device.h> |
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#include "OpenPDMFilter.h" |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#define MPXXDTYY_MIN_PDM_FREQ 1200000 /* 1.2MHz */ |
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#define MPXXDTYY_MAX_PDM_FREQ 3250000 /* 3.25MHz */ |
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#define DEV_CFG(dev) \ |
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((const struct mpxxdtyy_config *const)(dev)->config) |
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#define DEV_DATA(dev) \ |
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((struct mpxxdtyy_data *const)(dev)->data) |
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struct mpxxdtyy_data { |
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const struct device *comm_master; |
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enum dmic_state state; |
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TPDMFilter_InitStruct pdm_filter[2]; |
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size_t pcm_mem_size; |
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struct k_mem_slab *pcm_mem_slab; |
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}; |
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uint16_t sw_filter_lib_init(const struct device *dev, struct dmic_cfg *cfg); |
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int sw_filter_lib_run(TPDMFilter_InitStruct *pdm_filter, |
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void *pdm_block, void *pcm_block, |
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size_t pdm_size, size_t pcm_size); |
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#if DT_ANY_INST_ON_BUS_STATUS_OKAY(i2s) |
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int mpxxdtyy_i2s_read(const struct device *dev, uint8_t stream, void **buffer, |
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size_t *size, int32_t timeout); |
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int mpxxdtyy_i2s_trigger(const struct device *dev, enum dmic_trigger cmd); |
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int mpxxdtyy_i2s_configure(const struct device *dev, struct dmic_cfg *cfg); |
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#endif /* DT_ANY_INST_ON_BUS_STATUS_OKAY(i2s) */ |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* MPXXDTYY_H */
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