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amiro-lld / source / alld_ltc4412.c @ ef078306

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/*
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AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
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Copyright (C) 2016..2019  Thomas Schöpping et al.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program.  If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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 * @file    alld_ltc4412.c
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 * @brief   PowerPath Controller function implementations
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 *
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 * @addtogroup lld_powerpath
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 * @{
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 */
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#include <alld_ltc4412.h>
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#if defined(AMIROLLD_CFG_USE_LTC4412) || defined(__DOXYGEN__)
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/******************************************************************************/
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/* LOCAL DEFINITIONS                                                          */
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/******************************************************************************/
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/******************************************************************************/
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/* EXPORTED VARIABLES                                                         */
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/******************************************************************************/
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/******************************************************************************/
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/* LOCAL TYPES                                                                */
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/******************************************************************************/
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/******************************************************************************/
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/* LOCAL VARIABLES                                                            */
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/******************************************************************************/
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/******************************************************************************/
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/* LOCAL FUNCTIONS                                                            */
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/******************************************************************************/
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/******************************************************************************/
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/* EXPORTED FUNCTIONS                                                         */
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/******************************************************************************/
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/**
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 * @brief Read the value of the PATH_DCEN Gpio pin.
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 * @param[in]   tpsd        ltc4412 drivers
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 * @param[out]  pinstate    current value of the gpio pin
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 * @return                  An indicator whether the call was successfull
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 */
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inline apalExitStatus_t
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ltc4412_lld_get_ctrl(const LTC4412Driver* const ltc4412, ltc4412_lld_ctrl_t* const ctrl)
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{
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  apalDbgAssert(ltc4412 != NULL);
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  apalDbgAssert(ctrl != NULL);
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  apalControlGpioState_t gpio_state;
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  apalExitStatus_t status = apalControlGpioGet(ltc4412->gpio_ctrl, &gpio_state);
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  *ctrl = gpio_state == APAL_GPIO_ON ? LTC4412_LLD_CTRL_ACTIVE : LTC4412_LLD_CTRL_INACTIVE;
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  return status;
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}
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/**
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 * @brief Set the value of the PATH_DCEN Gpio pin.
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 * @param[in]   tpsd        ltc4412 drivers
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 * @param[in]   ctrl        new value of the gpio pin
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 * @return                  An indicator whether the call was successfull
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 */
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inline apalExitStatus_t
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ltc4412_lld_set_ctrl(const LTC4412Driver* const ltc4412, const ltc4412_lld_ctrl_t ctrl)
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{
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  apalDbgAssert(ltc4412 != NULL);
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  return apalControlGpioSet(ltc4412->gpio_ctrl, ctrl == LTC4412_LLD_CTRL_ACTIVE ? APAL_GPIO_ON : APAL_GPIO_OFF);
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}
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/**
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 * @brief Read the value of the PATH_DCSTAT Gpio pin.
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 * @param[in]   tpsd        ltc4412 drivers
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 * @param[out]  pinstate    current value of the gpio pin
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 * @return                  An indicator whether the call was successfull
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 */
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inline apalExitStatus_t
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ltc4412_lld_get_stat(const LTC4412Driver* const ltc4412, ltc4412_lld_stat_t* const stat)
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{
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  apalDbgAssert(ltc4412 != NULL);
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  apalDbgAssert(stat != NULL);
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  apalControlGpioState_t gpio_state;
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  apalExitStatus_t status = apalControlGpioGet(ltc4412->gpio_stat, &gpio_state);
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  *stat = gpio_state == APAL_GPIO_ON ? LTC4412_LLD_STAT_ACTIVE : LTC4412_LLD_STAT_INACTIVE;
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  return status;
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}
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#endif /* defined(AMIROLLD_CFG_USE_LTC4412) */
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/** @} */