Files
2025-11-07 10:05:24 +08:00

184 lines
4.0 KiB
C

/*
* Copyright (c) 2022 Semidrive Semiconductor.
* All rights reserved.
*/
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _CONFIG_OS_SAFETY_
#include <kernel/mutex.h>
#include <lib/console.h>
#include <platform.h>
#include <uapi/uapi/err.h>
#include "i2c_hal.h"
#else /* _CONFIG_OS_SSDK_ */
#endif
#include "ex_vCamera.h"
struct vCam_dev {
struct vdev_device vdev;
uint32_t streaming;
int power_count;
};
int vCamera_exit(struct vdev_device *vdev);
static inline struct vCam_dev *to_vCamera(struct vdev_device *vdev)
{
return containerof(vdev, struct vCam_dev, vdev);
}
static int vCam_s_power(struct vdev_device *vdev, int on)
{
int ret = 0;
struct vCam_dev *vCam = to_vCamera(vdev);
vCam->power_count += on ? 1 : -1;
return ret;
}
static int vCam_enum_mbus_fmt(struct vdev_device *vdev,
struct vdev_mbus_framefmt *fme)
{
struct vCam_dev *vCam = to_vCamera(vdev);
if ((vdev == NULL) || (fme == NULL)) {
return -1;
}
if (fme->index > 0) {
fme->index = 0;
return -1;
}
fme->code = vCam->vdev.fmt.code;
fme->field = vCam->vdev.fmt.field;
fme->colorspace = vCam->vdev.fmt.colorspace;
return 0;
}
static int vCam_enum_frame_size(struct vdev_device *vdev,
struct vdev_frame_size_enum *fse)
{
fse->min_width = 320;
fse->max_width = 3840;
fse->min_height = 240;
fse->max_height = 1080;
return 0;
}
static int vCam_enum_frame_interval(struct vdev_device *vdev,
struct vdev_frame_interval_enum *fie)
{
return 0;
}
static int vCam_g_frame_interval(struct vdev_device *vdev,
struct vdev_fract *fi)
{
if (!vdev || !fi) {
return -1;
}
*fi = vdev->frame_interval;
return 0;
}
static int vCam_s_frame_interval(struct vdev_device *vdev,
struct vdev_fract frame_interval)
{
return 0;
}
static int vCam_get_fmt(struct vdev_device *vdev,
struct vdev_mbus_framefmt *fmt)
{
if (!vdev) {
return -1;
}
*fmt = vdev->fmt;
return 0;
;
}
static int vCam_set_fmt(struct vdev_device *vdev,
struct vdev_mbus_framefmt format)
{
struct vCam_dev *vCam = to_vCamera(vdev);
if (vCam->streaming)
return -1;
vdev->fmt = format;
return 0;
}
static int vCam_s_stream(struct vdev_device *vdev, int enable)
{
struct vCam_dev *vCam = to_vCamera(vdev);
if (vCam->streaming == !enable)
vCam->streaming = enable;
return 0;
}
static const struct vdev_dev_ops vCam_vdev_ops = {
.s_power = vCam_s_power,
.enum_mbus_fmt = vCam_enum_mbus_fmt,
.enum_frame_size = vCam_enum_frame_size,
.enum_frame_interval = vCam_enum_frame_interval,
.g_frame_interval = vCam_g_frame_interval,
.s_frame_interval = vCam_s_frame_interval,
.get_fmt = vCam_get_fmt,
.set_fmt = vCam_set_fmt,
.s_stream = vCam_s_stream,
.close = vCamera_exit,
};
struct vdev_device *ex_vCamera_init(void *init_data)
{
struct vCam_dev *vCam;
struct vdev_mbus_framefmt *fmt;
vCam = pvPortMalloc(sizeof(struct vCam_dev));
if (!vCam)
return NULL;
memset(vCam, 0, sizeof(*vCam));
fmt = &vCam->vdev.fmt;
fmt->code = VDEV_MBUS_FMT_UYVY;
fmt->colorspace = VDEV_COLORSPACE_SRGB;
fmt->width = 640;
fmt->height = 480;
fmt->field = VDEV_FIELD_NONE;
vCam->vdev.frame_interval.numerator = 1;
vCam->vdev.frame_interval.denominator = 30;
vCam->vdev.ep.bus_type = VDEV_MBUS_PARALLEL;
vCam->vdev.ops = vCam_vdev_ops;
printf("%s:\n", __func__);
return &vCam->vdev;
}
int vCamera_exit(struct vdev_device *vdev)
{
struct vCam_dev *vCam = to_vCamera(vdev);
vPortFree(vCam);
return 0;
}