moved i2c to LLD

1 files changed, 0 insertions, 232 deletions

diff --git a/os/hal/ports/NRF5/NRF51822/hal_i2c_lld.h b/os/hal/ports/NRF5/NRF51822/hal_i2c_lld.h
deleted file mode 100644
index f631368..0000000
--- a/os/hal/ports/NRF5/NRF51822/hal_i2c_lld.h
+++ /dev/null
@@ -1,232 +0,0 @@
-/*

-    Copyright (C) 2015 Stephen Caudle

-

-    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    NRF51822/i2c_lld.h

- * @brief   NRF51822 I2C subsystem low level driver header.

- *

- * @addtogroup I2C

- * @{

- */

-

-#ifndef HAL_I2C_LLD_H

-#define HAL_I2C_LLD_H

-

-#if HAL_USE_I2C || defined(__DOXYGEN__)

-

-/*===========================================================================*/

-/* Driver constants.                                                         */

-/*===========================================================================*/

-

-#define STATE_STOP    0x00

-#define STATE_SEND    0x01

-#define STATE_RECV    0x02

-#define STATE_DUMMY   0x03

-

-/*===========================================================================*/

-/* Driver pre-compile time settings.                                         */

-/*===========================================================================*/

-

-/**

- * @name    Configuration options

- * @{

- */

-/**

- * @brief   I2C0 driver enable switch.

- * @details If set to @p TRUE the support for I2C0 is included.

- * @note    The default is @p FALSE.

- */

-#if !defined(NRF5_I2C_USE_I2C0) || defined(__DOXYGEN__)

-#define NRF5_I2C_USE_I2C0               FALSE

-#endif

-

-/**

- * @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(NRF5_I2C_USE_I2C1) || defined(__DOXYGEN__)

-#define NRF5_I2C_USE_I2C1               FALSE

-#endif

-

-/**

- * @brief   I2C0 interrupt priority level setting.

- */

-#if !defined(NRF5_I2C_I2C0_IRQ_PRIORITY) || defined(__DOXYGEN__)

-#define NRF5_I2C_I2C0_IRQ_PRIORITY         3

-#endif

-

-/**

- * @brief   I2C1 interrupt priority level setting.

- */

-#if !defined(NRF5_I2C_I2C1_IRQ_PRIORITY) || defined(__DOXYGEN__)

-#define NRF5_I2C_I2C1_IRQ_PRIORITY         3

-#endif

-/** @} */

-

-/*===========================================================================*/

-/* Derived constants and error checks.                                       */

-/*===========================================================================*/

-

-#if NRF5_I2C_USE_I2C0 &&						    \

-    !OSAL_IRQ_IS_VALID_PRIORITY(NRF5_I2C_I2C0_IRQ_PRIORITY)

-#error "Invalid IRQ priority assigned to I2C0"

-#endif

-

-#if NRF5_I2C_USE_I2C1 &&						    \

-    !OSAL_IRQ_IS_VALID_PRIORITY(NRF5_I2C_I2C1_IRQ_PRIORITY)

-#error "Invalid IRQ priority assigned to I2C1"

-#endif

-

-/*===========================================================================*/

-/* Driver data structures and types.                                         */

-/*===========================================================================*/

-

-/* @brief Type representing I2C address. */

-typedef uint8_t i2caddr_t;

-

-/* @brief Type of I2C Driver condition flags. */

-typedef uint32_t i2cflags_t;

-

-/* @brief Type used to control the ISR state machine. */

-typedef uint8_t intstate_t;

-

-/**

- * @brief   Driver configuration structure.

- * @note    Implementations may extend this structure to contain more,

- *          architecture dependent, fields.

- */

-

-/**

- * @brief Driver configuration structure.

- */

-typedef struct {

-

-  /* @brief Clock to be used for the I2C bus. */

-  uint32_t             clock;

-  /* @brief Pad number for SCL */

-  uint8_t              scl_pad;

-  /* @brief Pad number for SDA */

-  uint8_t              sda_pad;

-

-} 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_t                   mutex;

-#elif CH_CFG_USE_SEMAPHORES

-  semaphore_t               semaphore;

-#endif

-#endif /* I2C_USE_MUTUAL_EXCLUSION */

-#if defined(I2C_DRIVER_EXT_FIELDS)

-  I2C_DRIVER_EXT_FIELDS

-#endif

-  /* @brief Thread waiting for I/O completion. */

-  thread_reference_t        thread;

-  /* @brief     Current slave address without R/W bit. */

-  i2caddr_t                 addr;

-

-  /* End of the mandatory fields.*/

-

-  /* @brief Pointer to the buffer with data to send. */

-  const uint8_t             *txptr;

-  /* @brief Number of bytes of data to send. */

-  size_t                    txbytes;

-  /* @brief Pointer to the buffer to put received data. */

-  uint8_t                   *rxptr;

-  /* @brief Number of bytes of data to receive. */

-  size_t                    rxbytes;

-  /* @brief Tracks current ISR state. */

-  intstate_t                intstate;

-  /* @brief Low-level register access. */

-  NRF_TWI_Type              *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__)

-

-#if NRF5_I2C_USE_I2C0

-extern I2CDriver I2CD1;

-#endif

-

-#if NRF5_I2C_USE_I2C1

-extern I2CDriver I2CD2;

-#endif

-

-#endif

-

-#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 /* HAL_I2C_LLD_H */

-

-/** @} */