diff options
Diffstat (limited to 'os/hal/ports/KINETIS/K20x/hal_spi_lld.h')
| -rw-r--r-- | os/hal/ports/KINETIS/K20x/hal_spi_lld.h | 261 |
1 files changed, 0 insertions, 261 deletions
diff --git a/os/hal/ports/KINETIS/K20x/hal_spi_lld.h b/os/hal/ports/KINETIS/K20x/hal_spi_lld.h deleted file mode 100644 index 0cf108e..0000000 --- a/os/hal/ports/KINETIS/K20x/hal_spi_lld.h +++ /dev/null @@ -1,261 +0,0 @@ -/*
- ChibiOS - Copyright (C) 2014-2015 Fabio Utzig
-
- 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 KINETIS/spi_lld.h
- * @brief KINETIS SPI subsystem low level driver header.
- *
- * @addtogroup SPI
- * @{
- */
-
-#ifndef HAL_SPI_LLD_H_
-#define HAL_SPI_LLD_H_
-
-#if HAL_USE_SPI || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief SPI0 driver enable switch.
- * @details If set to @p TRUE the support for SPI0 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(KINETIS_SPI_USE_SPI0) || defined(__DOXYGEN__)
-#define KINETIS_SPI_USE_SPI0 FALSE
-#endif
-
-/**
- * @brief SPI0 interrupt priority level setting.
- */
-#if !defined(KINETIS_SPI_SPI0_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define KINETIS_SPI_SPI0_IRQ_PRIORITY 10
-#endif
-
-/**
- * @brief SPI1 driver enable switch.
- * @details If set to @p TRUE the support for SPI0 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(KINETIS_SPI_USE_SPI1) || defined(__DOXYGEN__)
-#define KINETIS_SPI_USE_SPI1 FALSE
-#endif
-
-/**
- * @brief SPI1 interrupt priority level setting.
- */
-#if !defined(KINETIS_SPI_SPI1_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define KINETIS_SPI_SPI1_IRQ_PRIORITY 10
-#endif
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-#if KINETIS_SPI_USE_SPI0 && !KINETIS_HAS_SPI0
-#error "SPI0 not present in the selected device"
-#endif
-
-#if KINETIS_SPI_USE_SPI1 && !KINETIS_HAS_SPI1
-#error "SPI1 not present in the selected device"
-#endif
-
-#if KINETIS_SPI_USE_SPI0 && KINETIS_SPI_USE_SPI1
-#error "Only one SPI peripheral can be enabled"
-#endif
-
-#if !(KINETIS_SPI_USE_SPI0 || KINETIS_SPI_USE_SPI1)
-#error "SPI driver activated but no SPI peripheral assigned"
-#endif
-
-#if KINETIS_SPI_USE_SPI0 && \
- !OSAL_IRQ_IS_VALID_PRIORITY(KINETIS_SPI_SPI0_IRQ_PRIORITY)
-#error "Invalid IRQ priority assigned to SPI0"
-#endif
-
-#if KINETIS_SPI_USE_SPI1 && \
- !OSAL_IRQ_IS_VALID_PRIORITY(KINETIS_SPI_SPI1_IRQ_PRIORITY)
-#error "Invalid IRQ priority assigned to SPI1"
-#endif
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief Type of a structure representing an SPI driver.
- */
-typedef struct SPIDriver SPIDriver;
-
-/**
- * @brief SPI notification callback type.
- *
- * @param[in] spip pointer to the @p SPIDriver object triggering the
- * callback
- */
-typedef void (*spicallback_t)(SPIDriver *spip);
-
-/**
- * @brief Driver configuration structure.
- */
-typedef struct {
- /**
- * @brief Operation complete callback or @p NULL.
- */
- spicallback_t end_cb;
- /* End of the mandatory fields.*/
- /**
- * @brief The chip select line port - when not using pcs.
- */
- ioportid_t ssport;
- /**
- * @brief The chip select line pad number - when not using pcs.
- */
- uint16_t sspad;
- /**
- * @brief SPI initialization data.
- */
- uint32_t tar0;
-} SPIConfig;
-
-/**
- * @brief Structure representing a SPI driver.
- */
-struct SPIDriver {
- /**
- * @brief Driver state.
- */
- spistate_t state;
- /**
- * @brief Current configuration data.
- */
- const SPIConfig *config;
-#if SPI_USE_WAIT || defined(__DOXYGEN__)
- /**
- * @brief Waiting thread.
- */
- thread_reference_t thread;
-#endif /* SPI_USE_WAIT */
-#if SPI_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
- /**
- * @brief Mutex protecting the bus.
- */
- mutex_t mutex;
-#endif /* SPI_USE_MUTUAL_EXCLUSION */
-#if defined(SPI_DRIVER_EXT_FIELDS)
- SPI_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
- /**
- * @brief Pointer to the SPIx registers block.
- */
- SPI_TypeDef *spi;
- /**
- * @brief Number of bytes/words of data to transfer.
- */
- size_t count;
- /**
- * @brief Word size in bytes.
- */
- size_t word_size;
- /**
- * @brief Pointer to the buffer with data to send.
- */
- const uint8_t *txbuf;
- /**
- * @brief Pointer to the buffer to put received data.
- */
- uint8_t *rxbuf;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/* TAR settings for n bits at SYSCLK / 2 */
-#define KINETIS_SPI_TAR_SYSCLK_DIV_2(n)\
- SPIx_CTARn_FMSZ((n) - 1) | \
- SPIx_CTARn_CPOL | \
- SPIx_CTARn_CPHA | \
- SPIx_CTARn_DBR | \
- SPIx_CTARn_PBR(0) | \
- SPIx_CTARn_BR(0) | \
- SPIx_CTARn_CSSCK(0) | \
- SPIx_CTARn_ASC(0) | \
- SPIx_CTARn_DT(0)
-
-/* TAR settings for n bits at SYSCLK / 4096 for debugging */
-#define KINETIS_SPI_TAR_SYSCLK_DIV_4096(n) \
- SPIx_CTARn_FMSZ(((n) - 1)) | \
- SPIx_CTARn_CPOL | \
- SPIx_CTARn_CPHA | \
- SPIx_CTARn_PBR(0) | \
- SPIx_CTARn_BR(0xB) | \
- SPIx_CTARn_CSSCK(0xB) | \
- SPIx_CTARn_ASC(0x7) | \
- SPIx_CTARn_DT(0xB)
-
-#define KINETIS_SPI_TAR_8BIT_FAST KINETIS_SPI_TAR_SYSCLK_DIV_2(8)
-#define KINETIS_SPI_TAR_8BIT_SLOW KINETIS_SPI_TAR_SYSCLK_DIV_4096(8)
-
-#define KINETIS_SPI_TAR0_DEFAULT KINETIS_SPI_TAR_SYSCLK_DIV_2(8)
-#define KINETIS_SPI_TAR1_DEFAULT KINETIS_SPI_TAR_SYSCLK_DIV_2(8)
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if KINETIS_SPI_USE_SPI0 && !defined(__DOXYGEN__)
-extern SPIDriver SPID1;
-#endif
-
-#if KINETIS_SPI_USE_SPI1 && !defined(__DOXYGEN__)
-extern SPIDriver SPID2;
-#endif
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void spi_lld_init(void);
- void spi_lld_start(SPIDriver *spip);
- void spi_lld_stop(SPIDriver *spip);
- void spi_lld_select(SPIDriver *spip);
- void spi_lld_unselect(SPIDriver *spip);
- void spi_lld_ignore(SPIDriver *spip, size_t n);
- void spi_lld_exchange(SPIDriver *spip, size_t n,
- const void *txbuf, void *rxbuf);
- void spi_lld_send(SPIDriver *spip, size_t n, const void *txbuf);
- void spi_lld_receive(SPIDriver *spip, size_t n, void *rxbuf);
- uint16_t spi_lld_polled_exchange(SPIDriver *spip, uint16_t frame);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_SPI */
-
-#endif /* HAL_SPI_LLD_H_ */
-
-/** @} */
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