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39 lines
925 B
39 lines
925 B
#pragma once |
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#include <stdint.h> |
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#include <stddef.h> |
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#include <stdbool.h> |
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#include "rom/lldesc.h" |
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#include "esp_err.h" |
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#include "esp_intr_alloc.h" |
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#include "freertos/FreeRTOS.h" |
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#include "freertos/semphr.h" |
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#include "freertos/task.h" |
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#include "esp_camera.h" |
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#include "sensor.h" |
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typedef union { |
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struct { |
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uint8_t sample2; |
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uint8_t unused2; |
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uint8_t sample1; |
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uint8_t unused1; |
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}; |
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uint32_t val; |
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} dma_elem_t; |
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typedef enum { |
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/* camera sends byte sequence: s1, s2, s3, s4, ... |
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* fifo receives: 00 s1 00 s2, 00 s2 00 s3, 00 s3 00 s4, ... |
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*/ |
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SM_0A0B_0B0C = 0, |
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/* camera sends byte sequence: s1, s2, s3, s4, ... |
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* fifo receives: 00 s1 00 s2, 00 s3 00 s4, ... |
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*/ |
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SM_0A0B_0C0D = 1, |
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/* camera sends byte sequence: s1, s2, s3, s4, ... |
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* fifo receives: 00 s1 00 00, 00 s2 00 00, 00 s3 00 00, ... |
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*/ |
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SM_0A00_0B00 = 3, |
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} i2s_sampling_mode_t; |
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