Line data    Source code

       1           0 : /*
       2             :  * Copyright (c) 2020 Nordic Semiconductor ASA
       3             :  *
       4             :  * SPDX-License-Identifier: Apache-2.0
       5             :  */
       6             : 
       7             : #ifndef ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_SX1509B_H_
       8             : #define ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_SX1509B_H_
       9             : 
      10             : #include <zephyr/device.h>
      11             : #include <zephyr/drivers/gpio.h>
      12             : 
      13             : #ifdef __cplusplus
      14             : extern "C" {
      15             : #endif
      16             : 
      17             : /**
      18             :  * @brief Configure a pin for LED intensity.
      19             :  *
      20             :  * Configure a pin to be controlled by SX1509B LED driver using
      21             :  * the LED intensity functionality.
      22             :  * To get back normal GPIO functionality, configure the pin using
      23             :  * the standard GPIO API.
      24             :  *
      25             :  * @param dev Pointer to the device structure for the driver instance.
      26             :  * @param pin Pin number.
      27             :  *
      28             :  * @retval 0 If successful.
      29             :  * @retval -EWOULDBLOCK if function is called from an ISR.
      30             :  * @retval -ERANGE if pin number is out of range.
      31             :  * @retval -EIO if I2C fails.
      32             :  */
      33           1 : int sx1509b_led_intensity_pin_configure(const struct device *dev,
      34             :                                         gpio_pin_t pin);
      35             : 
      36             : /**
      37             :  * @brief Set LED intensity of selected pin.
      38             :  *
      39             :  * @param dev Pointer to the device structure for the driver instance.
      40             :  * @param pin Pin number.
      41             :  * @param intensity_val Intensity value.
      42             :  *
      43             :  * @retval 0 If successful.
      44             :  * @retval -EIO if I2C fails.
      45             :  */
      46           1 : int sx1509b_led_intensity_pin_set(const struct device *dev, gpio_pin_t pin,
      47             :                                   uint8_t intensity_val);
      48             : 
      49             : #ifdef __cplusplus
      50             : }
      51             : #endif
      52             : 
      53             : #endif /* ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_SX1509B_H_ */