openmv/ports/qemu/omv_csi.c
iabdalkader 9d0e012b1c ports/qemu: Add qemu port.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
2025-10-18 16:12:19 +02:00

86 lines
2.9 KiB
C

/*
* Copyright (C) 2023-2025 OpenMV, LLC.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Any redistribution, use, or modification in source or binary form
* is done solely for personal benefit and not for any commercial
* purpose or for monetary gain. For commercial licensing options,
* please contact openmv@openmv.io
*
* THIS SOFTWARE IS PROVIDED BY THE LICENSOR AND COPYRIGHT OWNER "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE LICENSOR OR COPYRIGHT
* OWNER BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* QEMU dummy CSI driver.
*/
#if MICROPY_PY_CSI
#include <string.h>
#include <stdint.h>
#include <stdbool.h>
#include <stdio.h>
#include "py/mphal.h"
#include "py/runtime.h"
#include "omv_boardconfig.h"
#include "omv_i2c.h"
#include "omv_csi.h"
static int qemu_csi_config(omv_csi_t *csi, omv_csi_config_t config) {
// Dummy implementation - accept all configurations
return 0;
}
static int qemu_csi_abort(omv_csi_t *csi, bool fifo_flush, bool in_irq) {
// Dummy implementation
return 0;
}
static uint32_t qemu_clk_get_frequency(omv_clk_t *clk) {
// Dummy implementation - return nominal frequency
return clk->freq;
}
static int qemu_clk_set_frequency(omv_clk_t *clk, uint32_t frequency) {
// Dummy implementation - accept any frequency
clk->freq = frequency;
return 0;
}
static int qemu_csi_snapshot(omv_csi_t *csi, image_t *dst_image, uint32_t flags) {
// Dummy implementation - return timeout error since there's no camera
return OMV_CSI_ERROR_CAPTURE_TIMEOUT;
}
int omv_csi_ops_init(omv_csi_t *csi) {
// Set CSI ops to dummy implementations
csi->abort = qemu_csi_abort;
csi->config = qemu_csi_config;
csi->snapshot = qemu_csi_snapshot;
// Set CSI clock ops
csi->clk->freq = OMV_CSI_CLK_FREQUENCY;
csi->clk->set_freq = qemu_clk_set_frequency;
csi->clk->get_freq = qemu_clk_get_frequency;
return 0;
}
#endif // MICROPY_PY_CSI