pio_capture.h

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/*
 * This file is part of the PicoCamera project.
 * https://github.com/umeiko/PicoCamera
 *
 * Author: umeko <umeko@stu.xmu.edu.cn>
 * License: MIT
 */

#pragma once
 
#include <stddef.h>
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct {
    int pin_d0;     //< first of 8 consecutive data pins (d0..d0+7)
    int pin_vsync;
    int pin_href;
    int pin_pclk;
} pio_capture_pins_t;

int  pio_capture_init(const pio_capture_pins_t *pins);

void pio_capture_deinit(void);

int  pio_capture_frame(uint8_t *buf, size_t len, uint32_t timeout_ms);

int  pio_capture_frame_variable(uint8_t *buf, size_t capacity, size_t *out_len, uint32_t timeout_ms);
 
#ifdef __cplusplus
}
#endif