diff options
Diffstat (limited to 'os/hal/platforms/AT91SAM7/i2c_lld.h')
| -rw-r--r-- | os/hal/platforms/AT91SAM7/i2c_lld.h | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/os/hal/platforms/AT91SAM7/i2c_lld.h b/os/hal/platforms/AT91SAM7/i2c_lld.h deleted file mode 100644 index be4e2f1be..000000000 --- a/os/hal/platforms/AT91SAM7/i2c_lld.h +++ /dev/null @@ -1,204 +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.
-*/
-/*
- Concepts and parts of this file have been contributed by Uladzimir Pylinsky
- aka barthess.
- */
-
-/**
- * @file AT91SAM7/i2c_lld.h
- * @brief AT91SAM7 I2C subsystem low level driver header.
- *
- * @addtogroup I2C
- * @{
- */
-
-#ifndef _I2C_LLD_H_
-#define _I2C_LLD_H_
-
-#if HAL_USE_I2C || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-/**
- * @brief Peripheral clock frequency.
- */
-#define I2C_CLK_FREQ ((STM32_PCLK1) / 1000000)
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-
-/**
- * @name Configuration options
- * @{
- */
-/**
- * @brief I2C1 driver enable switch.
- * @details If set to @p TRUE the support for I2C1 is included.
- * @note The default is @p FALSE.
- */
-#if !defined(SAM7_I2C_USE_I2C1) || defined(__DOXYGEN__)
-#define SAM7_I2C_USE_I2C1 FALSE
-#endif
-
-/**
- * @brief I2C1 interrupt priority level setting.
- */
-#if !defined(SAM7_I2C_I2C1_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define SAM7_I2C_I2C1_IRQ_PRIORITY (AT91C_AIC_PRIOR_HIGHEST - 2)
-#endif
-
-/** @} */
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-/** @brief error checks */
-#if !SAM7_I2C_USE_I2C1
-#error "I2C driver activated but no I2C peripheral assigned"
-#endif
-
-/*===========================================================================*/
-/* Driver data structures and types. */
-/*===========================================================================*/
-
-/**
- * @brief Type representing I2C address.
- */
-typedef uint16_t i2caddr_t;
-
-/**
- * @brief I2C Driver condition flags type.
- */
-typedef uint32_t i2cflags_t;
-
-/**
- * @brief Driver configuration structure.
- */
-typedef struct {
- /**
- * @brief CWGR regitster content.
- */
- uint32_t cwgr;
-} I2CConfig;
-
-/**
- * @brief Type of a structure representing an I2C driver.
- */
-typedef struct I2CDriver I2CDriver;
-
-/**
- * @brief Structure representing an I2C driver.
- */
-struct I2CDriver{
- /**
- * @brief Driver state.
- */
- i2cstate_t state;
- /**
- * @brief Current configuration data.
- */
- const I2CConfig *config;
- /**
- * @brief Error flags.
- */
- i2cflags_t errors;
- /**
- * @brief Pointer to receive buffer.
- */
- uint8_t *rxbuf;
- /**
- * @brief Pointer to transmit buffer.
- */
- const uint8_t *txbuf;
- /**
- * @brief Bytes count to be received.
- */
- size_t rxbytes;
- /**
- * @brief Bytes count to be transmitted.
- */
- size_t txbytes;
-#if I2C_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__)
-#if CH_CFG_USE_MUTEXES || defined(__DOXYGEN__)
- /**
- * @brief Mutex protecting the bus.
- */
- Mutex mutex;
-#elif CH_CFG_USE_SEMAPHORES
- Semaphore semaphore;
-#endif
-#endif /* I2C_USE_MUTUAL_EXCLUSION */
-#if defined(I2C_DRIVER_EXT_FIELDS)
- I2C_DRIVER_EXT_FIELDS
-#endif
- /* End of the mandatory fields.*/
- /**
- * @brief Thread waiting for I/O completion.
- */
- Thread *thread;
-};
-
-/*===========================================================================*/
-/* Driver macros. */
-/*===========================================================================*/
-
-/**
- * @brief Get errors from I2C driver.
- *
- * @param[in] i2cp pointer to the @p I2CDriver object
- *
- * @notapi
- */
-#define i2c_lld_get_errors(i2cp) ((i2cp)->errors)
-
-/*===========================================================================*/
-/* External declarations. */
-/*===========================================================================*/
-
-#if !defined(__DOXYGEN__)
-#if SAM7_I2C_USE_I2C1
-extern I2CDriver I2CD1;
-#endif
-
-#endif /* !defined(__DOXYGEN__) */
-
-#ifdef __cplusplus
-extern "C" {
-#endif
- void i2c_lld_init(void);
- void i2c_lld_start(I2CDriver *i2cp);
- void i2c_lld_stop(I2CDriver *i2cp);
- msg_t i2c_lld_master_transmit_timeout(I2CDriver *i2cp, i2caddr_t addr,
- const uint8_t *txbuf, size_t txbytes,
- uint8_t *rxbuf, size_t rxbytes,
- systime_t timeout);
- msg_t i2c_lld_master_receive_timeout(I2CDriver *i2cp, i2caddr_t addr,
- uint8_t *rxbuf, size_t rxbytes,
- systime_t timeout);
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* HAL_USE_I2C */
-
-#endif /* _I2C_LLD_H_ */
-
-/** @} */
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