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86 lines
2.4 KiB
C
86 lines
2.4 KiB
C
// SPDX-License-Identifier: Apache-2.0
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#pragma once
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include <stddef.h>
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#include <tactility/freertos/freertos.h>
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#include <tactility/error.h>
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struct Device;
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/**
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* @brief API for SPI controller drivers.
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*/
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struct SpiControllerApi {
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/**
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* @brief Locks the SPI controller.
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* @param[in] device the SPI controller device
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* @retval ERROR_NONE when the operation was successful
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*/
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error_t (*lock)(struct Device* device);
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/**
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* @brief Tries to lock the SPI controller.
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* @param[in] device the SPI controller device
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* @param[in] timeout the maximum time to wait for the lock
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* @retval ERROR_NONE when the operation was successful
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* @retval ERROR_TIMEOUT when the operation timed out
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*/
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error_t (*try_lock)(struct Device* device, TickType_t timeout);
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/**
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* @brief Unlocks the SPI controller.
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* @param[in] device the SPI controller device
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* @retval ERROR_NONE when the operation was successful
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*/
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error_t (*unlock)(struct Device* device);
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};
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/**
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* @brief Locks the SPI controller using the specified controller.
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* @param[in] device the SPI controller device
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* @retval ERROR_NONE when the operation was successful
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*/
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error_t spi_controller_lock(struct Device* device);
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/**
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* @brief Tries to lock the SPI controller using the specified controller.
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* @param[in] device the SPI controller device
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* @param[in] timeout the maximum ticks to wait for the lock
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* @retval ERROR_NONE when the operation was successful
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* @retval ERROR_TIMEOUT when the operation timed out
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*/
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error_t spi_controller_try_lock(struct Device* device, TickType_t timeout);
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/**
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* @brief Unlocks the SPI controller using the specified controller.
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* @param[in] device the SPI controller device
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* @retval ERROR_NONE when the operation was successful
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*/
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error_t spi_controller_unlock(struct Device* device);
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/**
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* @brief Locks device's parent bus when the parent is a SPI controller.
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* @param[in] device the device whose parent may be a SPI controller
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* @retval ERROR_NONE when the operation was successful, or the parent is not a SPI controller
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*/
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error_t spi_controller_lock_bus_of(struct Device* device);
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/**
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* @brief Unlocks a device's parent bus.
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* @param[in] device the device whose parent may be a SPI controller
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*/
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void spi_controller_unlock_bus_of(struct Device* device);
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extern const struct DeviceType SPI_CONTROLLER_TYPE;
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#ifdef __cplusplus
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}
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#endif
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