AMiRo-OS

/*

AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.

Copyright (C) 2016..2018  Thomas Schöpping et al.

This program is free software: you can redistribute it and/or modify

it under the terms of the GNU Lesser General Public License as published by

the Free Software Foundation, either version 3 of the License, or

(at your option) any later version.

This program is distributed in the hope that it will be useful,

but WITHOUT ANY WARRANTY; without even the implied warranty of

MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License

along with this program.  If not, see <http://www.gnu.org/licenses/>.

*/

/**

 * @file    alld_ltc4412.c

 * @brief   PowerPath Controller function implementations

 *

 * @addtogroup lld_powerpath

 * @{

 */

#include <alld_ltc4412.h>

#if defined(AMIROLLD_CFG_USE_LTC4412) || defined(__DOXYGEN__)

/**

 * @brief Read the value of the PATH_DCEN Gpio pin.

 * @param[in]   tpsd        ltc4412 drivers

 * @param[out]  pinstate    current value of the gpio pin

 * @return                  An indicator whether the call was successfull

 */

inline apalExitStatus_t

ltc4412_lld_get_ctrl(const LTC4412Driver* const ltc4412, ltc4412_lld_ctrl_t* const ctrl)

{

  apalDbgAssert(ltc4412 != NULL);

  apalDbgAssert(ctrl != NULL);

  apalControlGpioState_t gpio_state;

  apalExitStatus_t status = apalControlGpioGet(ltc4412->gpio_ctrl, &gpio_state);

  *ctrl = gpio_state == APAL_GPIO_ON ? LTC4412_LLD_CTRL_ACTIVE : LTC4412_LLD_CTRL_INACTIVE;

  return status;

}

/**

 * @brief Set the value of the PATH_DCEN Gpio pin.

 * @param[in]   tpsd        ltc4412 drivers

 * @param[in]   ctrl        new value of the gpio pin

 * @return                  An indicator whether the call was successfull

 */

inline apalExitStatus_t

ltc4412_lld_set_ctrl(const LTC4412Driver* const ltc4412, const ltc4412_lld_ctrl_t ctrl)

{

  apalDbgAssert(ltc4412 != NULL);

  return apalControlGpioSet(ltc4412->gpio_ctrl, ctrl == LTC4412_LLD_CTRL_ACTIVE ? APAL_GPIO_ON : APAL_GPIO_OFF);

}

/**

 * @brief Read the value of the PATH_DCSTAT Gpio pin.

 * @param[in]   tpsd        ltc4412 drivers

 * @param[out]  pinstate    current value of the gpio pin

 * @return                  An indicator whether the call was successfull

 */

inline apalExitStatus_t

ltc4412_lld_get_stat(const LTC4412Driver* const ltc4412, ltc4412_lld_stat_t* const stat)

{

  apalDbgAssert(ltc4412 != NULL);

  apalDbgAssert(stat != NULL);

  apalControlGpioState_t gpio_state;

  apalExitStatus_t status = apalControlGpioGet(ltc4412->gpio_stat, &gpio_state);

  *stat = gpio_state == APAL_GPIO_ON ? LTC4412_LLD_STAT_ACTIVE : LTC4412_LLD_STAT_INACTIVE;

  return status;

}

#endif /* defined(AMIROLLD_CFG_USE_LTC4412) */

/** @} */