forked from xuos/xiuos
124 lines
3.6 KiB
C
124 lines
3.6 KiB
C
/*
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* Copyright (c) 2020 AIIT XUOS Lab
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* XiUOS is licensed under Mulan PSL v2.
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* You can use this software according to the terms and conditions of the Mulan PSL v2.
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* You may obtain a copy of Mulan PSL v2 at:
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* http://license.coscl.org.cn/MulanPSL2
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
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* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
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* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
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* See the Mulan PSL v2 for more details.
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*/
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/**
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* @file bus_camera.c
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* @brief register camera bus function using bus driver framework
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* @version 1.0
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* @author AIIT XUOS Lab
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* @date 2021-04-24
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*/
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#include <bus_camera.h>
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#include <dev_camera.h>
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/*Register the CAMERA BUS*/
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int CameraBusInit(struct CameraBus *camera_bus, const char *bus_name)
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{
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NULL_PARAM_CHECK(camera_bus);
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NULL_PARAM_CHECK(bus_name);
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x_err_t ret = EOK;
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if (BUS_INSTALL != camera_bus->bus.bus_state) {
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strncpy(camera_bus->bus.bus_name, bus_name, NAME_NUM_MAX);
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camera_bus->bus.bus_type = TYPE_CAMERA_BUS;
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camera_bus->bus.bus_state = BUS_INSTALL;
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camera_bus->bus.private_data = camera_bus->private_data;
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ret = BusRegister(&camera_bus->bus);
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if (EOK != ret) {
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KPrintf("CameraBusInit BusRegister error %u\n", ret);
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return ret;
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}
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} else {
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KPrintf("CameraBusInit BusRegister bus has been register state%u\n", camera_bus->bus.bus_state);
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}
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return ret;
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}
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/*Register the CAMERA Driver*/
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int CameraDriverInit(struct CameraDriver *camera_driver, const char *driver_name)
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{
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NULL_PARAM_CHECK(camera_driver);
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NULL_PARAM_CHECK(driver_name);
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x_err_t ret = EOK;
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if (DRV_INSTALL != camera_driver->driver.driver_state) {
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camera_driver->driver.driver_type = TYPE_CAMERA_DRV;
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camera_driver->driver.driver_state = DRV_INSTALL;
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strncpy(camera_driver->driver.drv_name, driver_name, NAME_NUM_MAX);
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camera_driver->driver.private_data = camera_driver->private_data;
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camera_driver->driver.configure = camera_driver->configure;
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ret = CameraDriverRegister(&camera_driver->driver);
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if (EOK != ret) {
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KPrintf("CameraDriverInit DriverRegister error %u\n", ret);
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return ret;
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}
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} else {
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KPrintf("CameraDriverInit DriverRegister driver has been register state%u\n", camera_driver->driver.driver_state);
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}
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return ret;
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}
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/*Release the CAMERA device*/
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int CameraReleaseBus(struct CameraBus *camera_bus)
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{
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NULL_PARAM_CHECK(camera_bus);
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return BusRelease(&camera_bus->bus);
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}
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/*Register the CAMERA Driver to the CAMERA BUS*/
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int CameraDriverAttachToBus(const char *drv_name, const char *bus_name)
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{
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NULL_PARAM_CHECK(drv_name);
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NULL_PARAM_CHECK(bus_name);
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x_err_t ret = EOK;
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struct Bus *bus;
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struct Driver *driver;
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bus = BusFind(bus_name);
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if (NONE == bus) {
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KPrintf("CameraDriverAttachToBus find camera bus error!name %s\n", bus_name);
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return ERROR;
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}
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if (TYPE_CAMERA_BUS == bus->bus_type) {
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driver = CameraDriverFind(drv_name, TYPE_CAMERA_DRV);
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if (NONE == driver) {
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KPrintf("CameraDriverAttachToBus find camera driver error!name %s\n", drv_name);
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return ERROR;
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}
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if (TYPE_CAMERA_DRV == driver->driver_type) {
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ret = DriverRegisterToBus(bus, driver);
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if (EOK != ret) {
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KPrintf("CameraDriverAttachToBus DriverRegisterToBus error %u\n", ret);
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return ERROR;
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}
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}
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}
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return ret;
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}
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