Ken Van Hoeylandt 399dca5e14
Partial reimplementation of TactilityC GPIO (#469)
* **New Features**
  * Added a GPIO hardware abstraction layer for reading pin levels from applications.
  * Applications can now query the number of available GPIO pins so they can adapt to different devices.
* **Chores**
  * Integrations updated so GPIO capabilities are discoverable and exported to running applications.
2026-01-31 12:34:45 +01:00

117 lines
3.9 KiB
C

// SPDX-License-Identifier: Apache-2.0
#pragma once
#ifdef __cplusplus
extern "C" {
#endif
#include "gpio.h"
#include <tactility/error.h>
struct GpioControllerApi {
/**
* @brief Sets the logical level of a GPIO pin.
* @param[in] device the GPIO controller device
* @param[in] pin the pin index
* @param[in] high true to set the pin high, false to set it low
* @return ERROR_NONE if successful
*/
error_t (*set_level)(struct Device* device, gpio_pin_t pin, bool high);
/**
* @brief Gets the logical level of a GPIO pin.
* @param[in] device the GPIO controller device
* @param[in] pin the pin index
* @param[out] high pointer to store the pin level
* @return ERROR_NONE if successful
*/
error_t (*get_level)(struct Device* device, gpio_pin_t pin, bool* high);
/**
* @brief Configures the options for a GPIO pin.
* @param[in] device the GPIO controller device
* @param[in] pin the pin index
* @param[in] options configuration flags (direction, pull-up/down, etc.)
* @return ERROR_NONE if successful
*/
error_t (*set_options)(struct Device* device, gpio_pin_t pin, gpio_flags_t options);
/**
* @brief Gets the configuration options for a GPIO pin.
* @param[in] device the GPIO controller device
* @param[in] pin the pin index
* @param[out] options pointer to store the configuration flags
* @return ERROR_NONE if successful
*/
error_t (*get_options)(struct Device* device, gpio_pin_t pin, gpio_flags_t* options);
/**
* @brief Gets the number of pins supported by the controller.
* @param[in] device the GPIO controller device
* @param[out] count pointer to store the number of pins
* @return ERROR_NONE if successful
*/
error_t (*get_pin_count)(struct Device* device, uint32_t* count);
};
/**
* @brief Sets the logical level of a GPIO pin.
* @param[in] device the GPIO controller device
* @param[in] pin the pin index
* @param[in] high true to set the pin high, false to set it low
* @return ERROR_NONE if successful
*/
error_t gpio_controller_set_level(struct Device* device, gpio_pin_t pin, bool high);
/**
* @brief Gets the logical level of a GPIO pin.
* @param[in] device the GPIO controller device
* @param[in] pin the pin index
* @param[out] high pointer to store the pin level
* @return ERROR_NONE if successful
*/
error_t gpio_controller_get_level(struct Device* device, gpio_pin_t pin, bool* high);
/**
* @brief Configures the options for a GPIO pin.
* @param[in] device the GPIO controller device
* @param[in] pin the pin index
* @param[in] options configuration flags (direction, pull-up/down, etc.)
* @return ERROR_NONE if successful
*/
error_t gpio_controller_set_options(struct Device* device, gpio_pin_t pin, gpio_flags_t options);
/**
* @brief Gets the configuration options for a GPIO pin.
* @param[in] device the GPIO controller device
* @param[in] pin the pin index
* @param[out] options pointer to store the configuration flags
* @return ERROR_NONE if successful
*/
error_t gpio_controller_get_options(struct Device* device, gpio_pin_t pin, gpio_flags_t* options);
/**
* @brief Gets the number of pins supported by the controller.
* @param[in] device the GPIO controller device
* @param[out] count pointer to store the number of pins
* @return ERROR_NONE if successful
*/
error_t gpio_controller_get_pin_count(struct Device* device, uint32_t* count);
/**
* @brief Configures the options for a GPIO pin using a pin configuration structure.
* @param[in] device the GPIO controller device
* @param[in] config the pin configuration structure
* @return ERROR_NONE if successful
*/
static inline error_t gpio_set_options_config(struct Device* device, const struct GpioPinConfig* config) {
return gpio_controller_set_options(device, config->pin, config->flags);
}
extern const struct DeviceType GPIO_CONTROLLER_TYPE;
#ifdef __cplusplus
}
#endif