DESKTOP-PUHFO60\dsx2016
ddff48d05b
Record 16 kHz mono PCM to microSD /rec, with level meter and DAC2 playback. Co-authored-by: Cursor <cursoragent@cursor.com>
18 lines
546 B
C
18 lines
546 B
C
#pragma once
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#include <stdint.h>
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#define REC_SAMPLE_RATE 16000
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#define REC_MAX_SECONDS 120
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bool recorder_mic_init(void);
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bool recorder_start(void);
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void recorder_stop(void);
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bool recorder_is_active(void);
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float recorder_level_db(void); /* smoothed approx dBFS+offset, or NAN */
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uint32_t recorder_elapsed_ms(void);
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uint32_t recorder_bytes_written(void);
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const char *recorder_last_path(void); /* e.g. /rec/R0003.WAV */
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const char *recorder_status(void);
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void recorder_tick(void); /* call from loop; drains I2S → SD */
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