forked from xuos/xiuos
118 lines
3.4 KiB
C
118 lines
3.4 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_serial.c
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* @brief register serial 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_serial.h>
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#include <dev_serial.h>
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int SerialBusInit(struct SerialBus *serial_bus, const char *bus_name)
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{
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NULL_PARAM_CHECK(serial_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 != serial_bus->bus.bus_state) {
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strncpy(serial_bus->bus.bus_name, bus_name, NAME_NUM_MAX);
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serial_bus->bus.bus_type = TYPE_SERIAL_BUS;
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serial_bus->bus.bus_state = BUS_INSTALL;
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serial_bus->bus.private_data = serial_bus->private_data;
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ret = BusRegister(&serial_bus->bus);
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if (EOK != ret) {
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KPrintf("serial BusInit 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("SerialBusInit BusRegister bus has been register state%u\n", serial_bus->bus.bus_state);
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}
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return ret;
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}
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int SerialDriverInit(struct SerialDriver *serial_driver, const char *driver_name)
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{
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NULL_PARAM_CHECK(serial_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 != serial_driver->driver.driver_state) {
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serial_driver->driver.driver_type = TYPE_SERIAL_DRV;
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serial_driver->driver.driver_state = DRV_INSTALL;
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strncpy(serial_driver->driver.drv_name, driver_name, NAME_NUM_MAX);
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serial_driver->driver.configure = serial_driver->configure;
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ret = SerialDriverRegister(&serial_driver->driver);
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if (EOK != ret) {
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KPrintf("SerialDriverInit 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("SerialDriverInit DriverRegister driver has been register state%u\n", serial_driver->driver.driver_state);
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}
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return ret;
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}
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int SerialReleaseBus(struct SerialBus *serial_bus)
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{
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NULL_PARAM_CHECK(serial_bus);
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return BusRelease(&serial_bus->bus);
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}
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int SerialDriverAttachToBus(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("SerialDriverAttachToBus find serial bus error!name %s\n", bus_name);
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return ERROR;
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}
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if (TYPE_SERIAL_BUS == bus->bus_type) {
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driver = SerialDriverFind(drv_name, TYPE_SERIAL_DRV);
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if (NONE == driver) {
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KPrintf("SerialDriverAttachToBus find serial driver error!name %s\n", drv_name);
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return ERROR;
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}
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if (TYPE_SERIAL_DRV == driver->driver_type) {
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ret = DriverRegisterToBus(bus, driver);
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if (EOK != ret) {
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KPrintf("SerialDriverAttachToBus 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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