keyboard/qmk/lib/chibios/os/hal/templates/hal_i2s_lld.h

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/*
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
/**
* @file hal_i2s_lld.h
* @brief PLATFORM I2S subsystem low level driver header.
*
* @addtogroup I2S
* @{
*/
#ifndef HAL_I2S_LLD_H
#define HAL_I2S_LLD_H
#if (HAL_USE_I2S == TRUE) || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name PLATFORM configuration options
* @{
*/
/**
* @brief I2SD1 driver enable switch.
* @details If set to @p TRUE the support for I2S1 is included.
* @note The default is @p FALSE.
*/
#if !defined(PLATFORM_I2S_USE_I2S1) || defined(__DOXYGEN__)
#define PLATFORM_I2S_USE_I2S1 FALSE
#endif
/** @} */
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @brief Low level fields of the I2S driver structure.
*/
#define i2s_lld_driver_fields \
/* Dummy field, it is not needed.*/ \
uint32_t dummy
/**
* @brief Low level fields of the I2S configuration structure.
*/
#define i2s_lld_config_fields \
/* Dummy configuration, it is not needed.*/ \
uint32_t dummy
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if (PLATFORM_I2S_USE_I2S1 == TRUE) && !defined(__DOXYGEN__)
extern I2SDriver I2SD1;
#endif
#ifdef __cplusplus
extern "C" {
#endif
void i2s_lld_init(void);
void i2s_lld_start(I2SDriver *i2sp);
void i2s_lld_stop(I2SDriver *i2sp);
void i2s_lld_start_exchange(I2SDriver *i2sp);
void i2s_lld_stop_exchange(I2SDriver *i2sp);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_I2S == TRUE */
#endif /* HAL_I2S_LLD_H */
/** @} */