amiro-lld / source / alld_led.c @ 5e2f673b
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| 1 | d6728c5b | Thomas Schöpping | /*
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| 2 | AMiRo-LLD is a compilation of low-level hardware drivers for the Autonomous Mini Robot (AMiRo) platform.
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| 3 | Copyright (C) 2016..2018 Thomas Schöpping et al.
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| 4 | |||
| 5 | This program is free software: you can redistribute it and/or modify
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| 6 | f0ca400f | Thomas Schöpping | it under the terms of the GNU Lesser General Public License as published by
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| 7 | d6728c5b | Thomas Schöpping | the Free Software Foundation, either version 3 of the License, or
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| 8 | (at your option) any later version.
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| 9 | |||
| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | f0ca400f | Thomas Schöpping | GNU Lesser General Public License for more details.
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| 14 | d6728c5b | Thomas Schöpping | |
| 15 | f0ca400f | Thomas Schöpping | You should have received a copy of the GNU Lesser General Public License
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| 16 | d6728c5b | Thomas Schöpping | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 17 | */
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| 18 | |||
| 19 | 5e2f673b | Marc Rothmann | /**
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| 20 | * @file alld_led.c
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| 21 | * @brief Led function implementations.
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| 22 | *
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| 23 | * @addtogroup lld_led
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| 24 | * @{
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| 25 | */
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| 26 | |||
| 27 | d6728c5b | Thomas Schöpping | #include <alld_led.h> |
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| 29 | #if defined(AMIROLLD_CFG_USE_LED) || defined(__DOXYGEN__)
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| 30 | |||
| 31 | /**
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| 32 | * @brief Set the LED to a specific state.
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| 33 | * @param[in] ledp The LED driver object.
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| 34 | * @param[in] led_state The state to set the LED to.
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| 35 | * @return An indicator whether the call was successful.
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| 36 | */
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| 37 | inline apalExitStatus_t
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| 38 | led_lld_set(const LEDDriver* const led, const led_lld_state_t state) |
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| 39 | {
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| 40 | apalDbgAssert(led != NULL);
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| 41 | |||
| 42 | return apalControlGpioSet(&(led->gpio), (state == LED_LLD_STATE_ON) ? APAL_GPIO_ON : APAL_GPIO_OFF);
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| 43 | } |
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| 44 | |||
| 45 | /**
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| 46 | * @brief Get the current status of the LED.
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| 47 | * @param[in] ledp The LED driver object.
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| 48 | * @param[out] led_state The state object to fill.
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| 49 | * @return An indicator whether the call was successful.
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| 50 | */
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| 51 | inline apalExitStatus_t
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| 52 | led_lld_get(const LEDDriver* const led, led_lld_state_t* const state) |
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| 53 | {
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| 54 | apalDbgAssert(led != NULL);
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| 55 | apalDbgAssert(state != NULL);
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| 56 | |||
| 57 | apalControlGpioState_t gpio_state; |
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| 58 | apalExitStatus_t status = apalControlGpioGet(&led->gpio, &gpio_state); |
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| 59 | *state = gpio_state == APAL_GPIO_ON ? LED_LLD_STATE_ON : LED_LLD_STATE_OFF; |
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| 60 | return status;
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| 61 | } |
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| 62 | |||
| 63 | /**
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| 64 | * @brief Toggle the LED.
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| 65 | * @param[in] ledp The LED driver object.
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| 66 | * @return An indicator whether the call was successful.
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| 67 | */
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| 68 | inline apalExitStatus_t
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| 69 | led_lld_toggle(const LEDDriver* const led) |
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| 70 | {
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| 71 | apalDbgAssert(led != NULL);
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| 72 | |||
| 73 | return apalGpioToggle(led->gpio.gpio);
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| 74 | } |
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| 75 | |||
| 76 | #endif /* defined(AMIROLLD_CFG_USE_LED) */ |
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| 77 | 5e2f673b | Marc Rothmann | |
| 78 | /** @} */ |