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amiro-lld / source / alld_led.c @ cf1f756b

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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..2018  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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#include <alld_led.h>
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#if defined(AMIROLLD_CFG_USE_LED) || defined(__DOXYGEN__)
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/**
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 * @brief Set the LED to a specific state.
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 * @param[in]   ledp        The LED driver object.
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 * @param[in]   led_state   The state to set the LED to.
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 * @return                  An indicator whether the call was successful.
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 */
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inline apalExitStatus_t
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led_lld_set(const LEDDriver* const led, const led_lld_state_t state)
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{
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  apalDbgAssert(led != NULL);
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  return apalControlGpioSet(led->gpio, (state == LED_LLD_STATE_ON) ? APAL_GPIO_ON : APAL_GPIO_OFF);
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}
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/**
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 * @brief Get the current status of the LED.
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 * @param[in]   ledp        The LED driver object.
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 * @param[out]  led_state   The state object to fill.
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 * @return                  An indicator whether the call was successful.
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 */
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inline apalExitStatus_t
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led_lld_get(const LEDDriver* const led, led_lld_state_t* const state)
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{
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  apalDbgAssert(led != NULL);
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  apalDbgAssert(state != NULL);
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  apalControlGpioState_t gpio_state;
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  apalExitStatus_t status = apalControlGpioGet(led->gpio, &gpio_state);
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  *state = gpio_state == APAL_GPIO_ON ? LED_LLD_STATE_ON : LED_LLD_STATE_OFF;
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  return status;
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}
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/**
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 * @brief Toggle the LED.
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 * @param[in]   ledp        The LED driver object.
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 * @return                  An indicator whether the call was successful.
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 */
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inline apalExitStatus_t
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led_lld_toggle(const LEDDriver* const led)
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{
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  apalDbgAssert(led != NULL);
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  return apalGpioToggle(led->gpio->gpio);
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}
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#endif /* defined(AMIROLLD_CFG_USE_LED) */