openmv/ports/qemu/omv_i2c.c
iabdalkader 9d0e012b1c ports/qemu: Add qemu port.
Signed-off-by: iabdalkader <i.abdalkader@gmail.com>
2025-10-18 16:12:19 +02:00

69 lines
2.3 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 I2C driver.
*/
#include <stdio.h>
#include <stdbool.h>
#include <string.h>
#include "py/mphal.h"
#include "py/runtime.h"
#include "omv_portconfig.h"
#include "omv_i2c.h"
int omv_i2c_init(omv_i2c_t *i2c, uint32_t bus_id, uint32_t speed) {
i2c->id = bus_id;
i2c->speed = speed;
i2c->initialized = true;
i2c->scl_pin = NULL;
i2c->sda_pin = NULL;
i2c->inst = NULL;
return 0;
}
int omv_i2c_deinit(omv_i2c_t *i2c) {
if (i2c->initialized) {
i2c->initialized = false;
}
return 0;
}
int omv_i2c_scan(omv_i2c_t *i2c, uint8_t *list, uint8_t size) {
// Dummy implementation - no devices found
return 0;
}
int omv_i2c_enable(omv_i2c_t *i2c, bool enable) {
// Dummy implementation
return 0;
}