git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9214 35acf78f-673a-0410-8e92-d51de3d6d3f4

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diff --git a/os/hal/ports/LPC/LPC214x/hal_pal_lld.h b/os/hal/ports/LPC/LPC214x/hal_pal_lld.h
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+++ b/os/hal/ports/LPC/LPC214x/hal_pal_lld.h
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+/*

+    ChibiOS - Copyright (C) 2006..2016 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    LPC214x/pal_lld.h

+ * @brief   LPC214x FIO low level driver header.

+ *

+ * @addtogroup PAL

+ * @{

+ */

+

+#ifndef HAL_PAL_LLD_H

+#define HAL_PAL_LLD_H

+

+#if HAL_USE_PAL || defined(__DOXYGEN__)

+

+/*===========================================================================*/

+/* Unsupported modes and specific modes                                      */

+/*===========================================================================*/

+

+#undef PAL_MODE_INPUT_PULLUP

+#undef PAL_MODE_INPUT_PULLDOWN

+#undef PAL_MODE_OUTPUT_OPENDRAIN

+

+/*===========================================================================*/

+/* I/O Ports Types and constants.                                            */

+/*===========================================================================*/

+

+/**

+ * @brief   FIO port setup info.

+ */

+typedef struct {

+  /** Initial value for FIO_PIN register.*/

+  uint32_t      pin;

+  /** Initial value for FIO_DIR register.*/

+  uint32_t      dir;

+} lpc214x_fio_setup_t;

+

+/**

+ * @brief   LPC214x FIO static initializer.

+ * @details An instance of this structure must be passed to @p palInit() at

+ *          system startup time in order to initialize the digital I/O

+ *          subsystem. This represents only the initial setup, specific pads

+ *          or whole ports can be reprogrammed at later time.

+ */

+typedef struct {

+  /** @brief PINSEL0 initial value.*/

+  uint32_t              pinsel0;

+  /** @brief PINSEL1 initial value.*/

+  uint32_t              pinsel1;

+  /** @brief PINSEL2 initial value.*/

+  uint32_t              pinsel2;

+  /** @brief Port 0 setup data.*/

+  lpc214x_fio_setup_t   P0Data;

+  /** @brief Port 1 setup data.*/

+  lpc214x_fio_setup_t   P1Data;

+} PALConfig;

+

+/**

+ * @brief   Width, in bits, of an I/O port.

+ */

+#define PAL_IOPORTS_WIDTH 32

+

+/**

+ * @brief   Whole port mask.

+ * @details This macro specifies all the valid bits into a port.

+ */

+#define PAL_WHOLE_PORT ((ioportmask_t)0xFFFFFFFF)

+

+/**

+ * @brief   Digital I/O port sized unsigned type.

+ */

+typedef uint32_t ioportmask_t;

+

+/**

+ * @brief   Digital I/O modes.

+ */

+typedef uint32_t iomode_t;

+

+/**

+ * @brief   Port Identifier.

+ */

+typedef FIO * ioportid_t;

+

+/*===========================================================================*/

+/* I/O Ports Identifiers.                                                    */

+/*===========================================================================*/

+

+/**

+ * @brief   FIO port 0 identifier.

+ */

+#define IOPORT1        FIO0Base

+

+/**

+ * @brief   FIO port 1 identifier.

+ */

+#define IOPORT2        FIO1Base

+

+/*===========================================================================*/

+/* Implementation, some of the following macros could be implemented as      */

+/* functions, if so please put them in pal_lld.c.                            */

+/*===========================================================================*/

+

+/**

+ * @brief   FIO subsystem initialization.

+ * @details Enables the access through the fast registers.

+ *

+ * @notapi

+ */

+#define pal_lld_init(config) _pal_lld_init(config)

+

+/**

+ * @brief   Reads an I/O port.

+ * @details This function is implemented by reading the FIO PIN register, the

+ *          implementation has no side effects.

+ *

+ * @param[in] port      port identifier

+ * @return              The port bits.

+ *

+ * @notapi

+ */

+#define pal_lld_readport(port) ((port)->FIO_PIN)

+

+/**

+ * @brief   Reads the output latch.

+ * @details This function is implemented by reading the FIO SET register, the

+ *          implementation has no side effects.

+ *

+ * @param[in] port      port identifier

+ * @return              The latched logical states.

+ *

+ * @notapi

+ */

+#define pal_lld_readlatch(port) ((port)->FIO_SET)

+

+/**

+ * @brief   Writes a bits mask on a I/O port.

+ * @details This function is implemented by writing the FIO PIN register, the

+ *          implementation has no side effects.

+ *

+ * @param[in] port      port identifier

+ * @param[in] bits      bits to be written on the specified port

+ *

+ * @notapi

+ */

+#define pal_lld_writeport(port, bits) ((port)->FIO_PIN = (bits))

+

+/**

+ * @brief   Sets a bits mask on a I/O port.

+ * @details This function is implemented by writing the FIO SET register, the

+ *          implementation has no side effects.

+ *

+ * @param[in] port      port identifier

+ * @param[in] bits      bits to be ORed on the specified port

+ *

+ * @notapi

+ */

+#define pal_lld_setport(port, bits) ((port)->FIO_SET = (bits))

+

+/**

+ * @brief   Clears a bits mask on a I/O port.

+ * @details This function is implemented by writing the FIO CLR register, the

+ *          implementation has no side effects.

+ *

+ * @param[in] port      port identifier

+ * @param[in] bits      bits to be cleared on the specified port

+ *

+ * @notapi

+ */

+#define pal_lld_clearport(port, bits) ((port)->FIO_CLR = (bits))

+

+/**

+ * @brief   Writes a value on an I/O bus.

+ * @details This function is implemented by writing the FIO PIN and MASK

+ *          registers, the implementation is not atomic because the multiple

+ *          accesses.

+ *

+ * @param[in] port      port identifier

+ * @param[in] mask      group mask, a logical AND is performed on the

+ *                      output data

+ * @param[in] offset    the group bit offset within the port

+ * @param[in] bits      bits to be written. Values exceeding the group

+ *                      width are masked.

+ *

+ * @notapi

+ */

+#define pal_lld_writegroup(port, mask, offset, bits)                    \

+  ((port)->FIO_MASK = ~((mask) << (offset)),                            \

+   (port)->FIO_PIN = (bits) << (offset),                                \

+   (port)->FIO_MASK = 0)

+

+/**

+ * @brief   Pads group mode setup.

+ * @details This function programs a pads group belonging to the same port

+ *          with the specified mode.

+ * @note    @p PAL_MODE_UNCONNECTED is implemented as push pull output with

+ *          high state.

+ * @note    This function does not alter the @p PINSELx registers. Alternate

+ *          functions setup must be handled by device-specific code.

+ *

+ * @param[in] port      port identifier

+ * @param[in] mask      group mask

+ * @param[in] offset    group bit offset within the port

+ * @param[in] mode      group mode

+ *

+ * @notapi

+ */

+#define pal_lld_setgroupmode(port, mask, offset, mode)                      \

+  _pal_lld_setgroupmode(port, mask << offset, mode)

+

+/**

+ * @brief   Writes a logical state on an output pad.

+ *

+ * @param[in] port      port identifier

+ * @param[in] pad       pad number within the port

+ * @param[in] bit       logical value, the value must be @p PAL_LOW or

+ *                      @p PAL_HIGH

+ *

+ * @notapi

+ */

+#define pal_lld_writepad(port, pad, bit) pal_lld_writegroup(port, 1, pad, bit)

+

+/**

+ * @brief   FIO port setup.

+ * @details This function programs the pins direction within a port.

+ *

+ * @notapi

+ */

+#define pal_lld_lpc214x_set_direction(port, dir) ((port)->FIO_DIR = (dir))

+

+extern const PALConfig pal_default_config;

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+  void _pal_lld_init(const PALConfig *config);

+  void _pal_lld_setgroupmode(ioportid_t port,

+                             ioportmask_t mask,

+                             iomode_t mode);

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* HAL_USE_PAL */

+

+#endif /* HAL_PAL_LLD_H */

+

+/** @} */