xiuos3/resources/rtc/bus_rtc.c

118 lines
3.2 KiB
C

/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file bus_rtc.c
* @brief register rtc bus function using bus driver framework
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-04-24
*/
#include <bus_rtc.h>
#include <dev_rtc.h>
int RtcBusInit(struct RtcBus *rtc_bus, const char *bus_name)
{
NULL_PARAM_CHECK(rtc_bus);
NULL_PARAM_CHECK(bus_name);
x_err_t ret = EOK;
if (BUS_INSTALL != rtc_bus->bus.bus_state) {
strncpy(rtc_bus->bus.bus_name, bus_name, NAME_NUM_MAX);
rtc_bus->bus.bus_type = TYPE_RTC_BUS;
rtc_bus->bus.bus_state = BUS_INSTALL;
rtc_bus->bus.private_data = rtc_bus->private_data;
ret = BusRegister(&rtc_bus->bus);
if (EOK != ret) {
KPrintf("RtcBusInit BusRegister error %u\n", ret);
return ret;
}
} else {
KPrintf("RtcBusInit BusRegister bus has been register state%u\n", rtc_bus->bus.bus_state);
}
return ret;
}
int RtcDriverInit(struct RtcDriver *rtc_driver, const char *driver_name)
{
NULL_PARAM_CHECK(rtc_driver);
NULL_PARAM_CHECK(driver_name);
x_err_t ret = EOK;
if (DRV_INSTALL != rtc_driver->driver.driver_state) {
rtc_driver->driver.driver_type = TYPE_RTC_DRV;
rtc_driver->driver.driver_state = DRV_INSTALL;
strncpy(rtc_driver->driver.drv_name, driver_name, NAME_NUM_MAX);
rtc_driver->driver.configure = rtc_driver->configure;
ret = RtcDriverRegister(&rtc_driver->driver);
if (EOK != ret) {
KPrintf("RtcDriverInit DriverRegister error %u\n", ret);
return ret;
}
} else {
KPrintf("RtcDriverInit DriverRegister driver has been register state%u\n", rtc_driver->driver.driver_state);
}
return ret;
}
int RtcReleaseBus(struct RtcBus *rtc_bus)
{
NULL_PARAM_CHECK(rtc_bus);
return BusRelease(&rtc_bus->bus);
}
int RtcDriverAttachToBus(const char *drv_name, const char *bus_name)
{
NULL_PARAM_CHECK(drv_name);
NULL_PARAM_CHECK(bus_name);
x_err_t ret = EOK;
struct Bus *bus;
struct Driver *driver;
bus = BusFind(bus_name);
if (NONE == bus) {
KPrintf("RtcDriverAttachToBus find rtc bus error!name %s\n", bus_name);
return ERROR;
}
if (TYPE_RTC_BUS == bus->bus_type) {
driver = RtcDriverFind(drv_name, TYPE_RTC_DRV);
if (NONE == driver) {
KPrintf("RtcDriverAttachToBus find rtc driver error!name %s\n", drv_name);
return ERROR;
}
if (TYPE_RTC_DRV == driver->driver_type) {
ret = DriverRegisterToBus(bus, driver);
if (EOK != ret) {
KPrintf("RtcDriverAttachToBus DriverRegisterToBus error %u\n", ret);
return ERROR;
}
}
}
return ret;
}