diff options
Diffstat (limited to 'os/hal/platforms/LPC11xx/i2c_lld.h')
| -rw-r--r-- | os/hal/platforms/LPC11xx/i2c_lld.h | 225 |
1 files changed, 0 insertions, 225 deletions
diff --git a/os/hal/platforms/LPC11xx/i2c_lld.h b/os/hal/platforms/LPC11xx/i2c_lld.h deleted file mode 100644 index b33dfe235..000000000 --- a/os/hal/platforms/LPC11xx/i2c_lld.h +++ /dev/null @@ -1,225 +0,0 @@ -/*
- ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
- LPC11xx I2C driver - Copyright (C) 2013 Marcin Jokel
-
- 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 LPC11xx/i2c_lld.h
- * @brief LPC11xx I2C subsystem low level driver header.
- *
- * @addtogroup I2C
- * @{
- */
-
-#ifndef _I2C_LLD_H_
-#define _I2C_LLD_H_
-
-#if HAL_USE_I2C || defined(__DOXYGEN__)
-
-/*===========================================================================*/
-/* Driver constants. */
-/*===========================================================================*/
-
-#define I2C_CONSET_AA 0x04 /* Assert acknowledge flag. */
-#define I2C_CONSET_SI 0x08 /* I2C interrupt flag. */
-#define I2C_CONSET_STO 0x10 /* STOP flag. */
-#define I2C_CONSET_STA 0x20 /* START flag. */
-#define I2C_CONSET_EN 0x40 /* I2C interface enable. */
-
-#define I2C_CONCLR_AAC 0x04 /* Assert acknowledge Clear bit. */
-#define I2C_CONCLR_SIC 0x08 /* I2C interrupt Clear bit. */
-#define I2C_CONCLR_STAC 0x20 /* START flag Clear bit. */
-#define I2C_CONCLR_ENC 0x40 /* I2C interface Disable bit. */
-
-#define I2C_WR_BIT 0x00
-#define I2C_RD_BIT 0x01
-
-#define I2C_STATE_MS_START 0x08
-#define I2C_STATE_MS_RSTART 0x10
-#define I2C_STATE_MS_SLAW_ACK 0x18
-#define I2C_STATE_MS_SLAW_NACK 0x20
-#define I2C_STATE_MS_TDAT_ACK 0x28
-#define I2C_STATE_MS_TDAT_NACK 0x30
-#define I2C_STATE_ARB_LOST 0x38
-
-#define I2C_STATE_MS_SLAR_ACK 0x40
-#define I2C_STATE_MS_SLAR_NACK 0x48
-#define I2C_STATE_MS_RDAT_ACK 0x50
-#define I2C_STATE_MS_RDAT_NACK 0x58
-
-#define I2C_STATE_BUS_ERROR 0x00
-
-/*===========================================================================*/
-/* Driver pre-compile time settings. */
-/*===========================================================================*/
-/**
- * @name Configuration options
- * @{
- */
-
-/**
- * @brief I2C1 interrupt priority level setting.
- */
-#if !defined(LPC11xx_I2C_IRQ_PRIORITY) || defined(__DOXYGEN__)
-#define LPC11xx_I2C_IRQ_PRIORITY 3
-#endif
-
-/** @} */
-
-/*===========================================================================*/
-/* Derived constants and error checks. */
-/*===========================================================================*/
-
-/*===========================================================================*/
-/* 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 Supported modes for the I2C bus.
- */
-typedef enum {
- I2C_STANDARD_MODE = 1,
- I2C_FAST_MODE = 2,
- I2C_FAST_MODE_PLUS = 3,
-} i2cmode_t;
-
-/**
- * @brief Driver configuration structure.
- */
-typedef struct {
- i2cmode_t mode; /**< @brief Specifies the I2C mode. */
- uint32_t clock_timing; /**< @brief Specifies the clock timing */
-} 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;
-#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;
- /**
- * @brief Current slave address without R/W bit.
- */
- i2caddr_t addr;
- /**
- * @brief Pointer to the transmit buffer.
- */
- const uint8_t *txbuf;
- /**
- * @brief Number of bytes to transmit.
- */
- size_t txbytes;
- /**
- * @brief Pointer to the receive buffer.
- */
- uint8_t *rxbuf;
- /**
- * @brief Number of bytes to receive.
- */
- size_t rxbytes;
- /**
- * @brief Pointer to the I2C registers block.
- */
- LPC_I2C_TypeDef *i2c;
-};
-
-/*===========================================================================*/
-/* 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__)
-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 /* _I2C_LLD_H_ */
-
-/** @} */
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