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-rw-r--r--os/hal/platforms/STM32/i2s_lld.h317
1 files changed, 0 insertions, 317 deletions
diff --git a/os/hal/platforms/STM32/i2s_lld.h b/os/hal/platforms/STM32/i2s_lld.h
deleted file mode 100644
index 3f9c640b3..000000000
--- a/os/hal/platforms/STM32/i2s_lld.h
+++ /dev/null
@@ -1,317 +0,0 @@
-/*
- ChibiOS/RT - Copyright (C) 2006-2013 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 STM32/i2s_lld.h
- * @brief I2S Driver subsystem low level driver header template.
- *
- * @addtogroup I2S
- * @{
- */
-
-#ifndef _I2S_LLD_H_
-#define _I2S_LLD_H_
-
-#if HAL_USE_I2S || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief I2S2 driver enable switch.
- * @details If set to @p TRUE the support for I2S2 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(STM32_I2S_USE_I2S2) || defined(__DOXYGEN__)
-#define STM32_I2S_USE_I2S2 FALSE
-#endif
-
-/**
- * @brief I2S3 driver enable switch.
- * @details If set to @p TRUE the support for I2S3 is included.
- * @note The default is @p TRUE.
- */
-#if !defined(STM32_I2S_USE_I2S3) || defined(__DOXYGEN__)
-#define STM32_I2S_USE_I2S3 FALSE
-#endif
-
-/**
- * @brief I2S2 interrupt priority level setting.
- */
-#if !defined(STM32_I2S_I2S2_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_I2S_I2S2_IRQ_PRIORITY 10
-#endif
-
-/**
- * @brief I2S3 interrupt priority level setting.
- */
-#if !defined(STM32_I2S_I2S3_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_I2S_I2S3_IRQ_PRIORITY 10
-#endif
-
-/**
- * @brief I2S2 DMA priority (0..3|lowest..highest).
- */
-#if !defined(STM32_I2S_I2S2_DMA_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_I2S_I2S2_DMA_PRIORITY 1
-#endif
-
-/**
- * @brief I2S3 DMA priority (0..3|lowest..highest).
- */
-#if !defined(STM32_I2S_I2S2_DMA_PRIORITY) || defined(__DOXYGEN__)
-#define STM32_I2S_I2S2_DMA_PRIORITY 1
-#endif
-
-/**
- * @brief I2S DMA error hook.
- */
-#if !defined(STM32_I2S_DMA_ERROR_HOOK) || defined(__DOXYGEN__)
-#define STM32_I2S_DMA_ERROR_HOOK(i2sp) chSysHalt()
-#endif
-
-#if STM32_ADVANCED_DMA || defined(__DOXYGEN__)
-
-/**
- * @brief DMA stream used for I2S2 RX operations.
- * @note This option is only available on platforms with enhanced DMA.
- */
-#if !defined(STM32_I2S_I2S2_RX_DMA_STREAM) || defined(__DOXYGEN__)
-#define STM32_I2S_I2S2_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 0)
-#endif
-
-/**
- * @brief DMA stream used for I2S2 TX operations.
- * @note This option is only available on platforms with enhanced DMA.
- */
-#if !defined(STM32_I2S_I2S2_TX_DMA_STREAM) || defined(__DOXYGEN__)
-#define STM32_I2S_I2S2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
-#endif
-
-/**
- * @brief DMA stream used for I2S3 RX operations.
- * @note This option is only available on platforms with enhanced DMA.
- */
-#if !defined(STM32_I2S_I2S3_RX_DMA_STREAM) || defined(__DOXYGEN__)
-#define STM32_I2S_I2S3_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 0)
-#endif
-
-/**
- * @brief DMA stream used for I2S3 TX operations.
- * @note This option is only available on platforms with enhanced DMA.
- */
-#if !defined(STM32_I2S_I2S3_TX_DMA_STREAM) || defined(__DOXYGEN__)
-#define STM32_I2S_I2S3_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 7)
-#endif
-
-#else /* !STM32_ADVANCED_DMA */
-
-/* Fixed streams for platforms using the old DMA peripheral, the values are
- valid for both STM32F1xx and STM32L1xx.*/
-#define STM32_I2S_I2S2_RX_DMA_STREAM STM32_DMA_STREAM_ID(1, 4)
-#define STM32_I2S_I2S2_TX_DMA_STREAM STM32_DMA_STREAM_ID(1, 5)
-#define STM32_I2S_I2S3_RX_DMA_STREAM STM32_DMA_STREAM_ID(2, 1)
-#define STM32_I2S_I2S3_TX_DMA_STREAM STM32_DMA_STREAM_ID(2, 2)
-
-#endif /* !STM32_ADVANCED_DMA */
-/** @} */
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-#if STM32_I2S_USE_I2S2 && !STM32_HAS_SPI2
-#error "SPI2 not present in the selected device"
-#endif
-
-#if STM32_I2S_USE_I2S3 && !STM32_HAS_SPI3
-#error "SPI3 not present in the selected device"
-#endif
-
-#if !STM32_I2S_USE_I2S2 && !STM32_I2S_USE_I2S3
-#error "I2S driver activated but no I2S peripheral assigned"
-#endif
-
-#if STM32_I2S_USE_I2S2 && \
- !STM32_DMA_IS_VALID_ID(STM32_I2S_I2S2_RX_DMA_STREAM, STM32_SPI2_RX_DMA_MSK)
-#error "invalid DMA stream associated to I2S2 RX"
-#endif
-
-#if STM32_I2S_USE_I2S2 && \
- !STM32_DMA_IS_VALID_ID(STM32_I2S_I2S2_TX_DMA_STREAM, STM32_SPI2_TX_DMA_MSK)
-#error "invalid DMA stream associated to I2S2 TX"
-#endif
-
-#if STM32_I2S_USE_I2S3 && \
- !STM32_DMA_IS_VALID_ID(STM32_I2S_I2S3_RX_DMA_STREAM, STM32_SPI3_RX_DMA_MSK)
-#error "invalid DMA stream associated to I2S3 RX"
-#endif
-
-#if STM32_I2S_USE_I2S3 && \
- !STM32_DMA_IS_VALID_ID(STM32_I2S_I2S3_TX_DMA_STREAM, STM32_SPI3_TX_DMA_MSK)
-#error "invalid DMA stream associated to I2S3 TX"
-#endif
-
-#if !defined(STM32_DMA_REQUIRED)
-#define STM32_DMA_REQUIRED
-#endif
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief I2S mode type.
- */
-typedef uint32_t i2smode_t;
-
-/**
- * @brief Type of a structure representing an I2S driver.
- */
-typedef struct I2SDriver I2SDriver;
-
-/**
- * @brief I2S notification callback type.
- *
- * @param[in] i2sp pointer to the @p I2SDriver object
- * @param[in] buffer pointer to the buffer
- * @param[in] n number of sample positions starting from @p buffer
- */
-typedef void (*i2scallback_t)(I2SDriver *i2sp, void *buffer, size_t n);
-
-/**
- * @brief Driver configuration structure.
- * @note It could be empty on some architectures.
- */
-typedef struct {
- /**
- * @brief I2S mode selection.
- */
- i2smode_t mode;
- /**
- * @brief Transmission buffer pointer.
- */
- const void *tx_buffer;
- /**
- * @brief Transmission buffer size in number of samples.
- */
- size_t tx_size;
- /**
- * @brief Callback function associated to the transmission or @p NULL.
- */
- i2scallback_t tx_cb;
- /**
- * @brief Receive buffer pointer.
- */
- void *rx_buffer;
- /**
- * @brief Receive buffer size in number of samples.
- */
- size_t rx_size;
- /**
- * @brief Callback function associated to the reception or @p NULL.
- */
- i2scallback_t rx_cb;;
- /* End of the mandatory fields.*/
- /**
- * @brief Configuration of the I2SCFGR register.
- * @details See the STM32 reference manual, this register is used for
- * the I2S configuration, the following bits must not be
- * specified because handled directly by the driver:
- * - I2SMOD
- * - I2SE
- * - I2SCFG
- * .
- */
- int16_t i2scfgr;
- /**
- * @brief Configuration of the I2SPR register.
- * @details See the STM32 reference manual, this register is used for
- * the I2S clock setup.
- */
- int16_t i2spr;
-} I2SConfig;
-
-/**
- * @brief Structure representing an I2S driver.
- */
-struct I2SDriver {
- /**
- * @brief Driver state.
- */
- i2sstate_t state;
- /**
- * @brief Current configuration data.
- */
- const I2SConfig *config;
- /* End of the mandatory fields.*/
- /**
- * @brief Pointer to the SPIx registers block.
- */
- SPI_TypeDef *spi;
- /**
- * @brief DMA stream.
- */
- const stm32_dma_stream_t *dma;
- /**
- * @brief DMA mode bit mask.
- */
- uint32_t dmamode;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if STM32_I2S_USE_I2S2 && !defined(__DOXYGEN__)
-extern I2SDriver I2SD2;
-#endif
-
-#if STM32_I2S_USE_I2S3 && !defined(__DOXYGEN__)
-extern I2SDriver I2SD3;
-#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_start_exchange_continuous(I2SDriver *i2sp);
- void i2s_lld_stop_exchange(I2SDriver *i2sp);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_I2S */
-
-#endif /* _I2S_LLD_H_ */
-
-/** @} */
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