/* * 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 #include #include #include #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