Added missing file.

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1011 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 188 insertions, 0 deletions

diff --git a/ports/ARMCM3-STM32F103/ioports_lld.h b/ports/ARMCM3-STM32F103/ioports_lld.h
new file mode 100644
index 000000000..05d71831d
--- /dev/null
+++ b/ports/ARMCM3-STM32F103/ioports_lld.h
@@ -0,0 +1,188 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006-2007 Giovanni Di Sirio.

+

+    This file is part of ChibiOS/RT.

+

+    ChibiOS/RT is free software; you can redistribute it and/or modify

+    it under the terms of the GNU General Public License as published by

+    the Free Software Foundation; either version 3 of the License, or

+    (at your option) any later version.

+

+    ChibiOS/RT is distributed in the hope that it will be useful,

+    but WITHOUT ANY WARRANTY; without even the implied warranty of

+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

+    GNU General Public License for more details.

+

+    You should have received a copy of the GNU General Public License

+    along with this program.  If not, see <http://www.gnu.org/licenses/>.

+*/

+

+/**

+ * @file ports/ARMCM3-STM32F103/ioports_lld.h

+ * @brief STM32 GPIO low level driver

+ * @addtogroup STM32F103_IOPORTS

+ * @{

+ */

+

+#ifndef _IOPORTS_LLD_H_

+#define _IOPORTS_LLD_H_

+

+#ifndef __STM32F10x_MAP_H

+#include "stm32f10x_map.h"

+#endif

+

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

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

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

+

+/**

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

+#define IOPORTS_WIDTH 16

+

+/**

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

+typedef uint32_t ioportmask_t;

+

+/**

+ * @brief Port Identifier.

+ * @details This type can be a scalar or some kind of pointer, do not make

+ *          any assumption about it, use the provided macros when populating

+ *          variables of this type.
+ */

+typedef GPIO_TypeDef * ioportid_t;

+

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

+/* I/O Ports Identifiers.                                                    */

+/* The low level driver wraps the definitions already present in the STM32   */

+/* firmware library.                                                         */

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

+

+/**

+ * @brief GPIO port A identifier.

+ */

+#if defined(_GPIOA) || defined(__DOXYGEN__)

+#define IOPORT_A        GPIOA

+#endif

+

+/**

+ * @brief GPIO port A identifier.

+ */

+#if defined(_GPIOB) || defined(__DOXYGEN__)

+#define IOPORT_B        GPIOB

+#endif

+

+/**

+ * @brief GPIO port A identifier.

+ */

+#if defined(_GPIOC) || defined(__DOXYGEN__)

+#define IOPORT_C        GPIOC

+#endif

+

+/**

+ * @brief GPIO port A identifier.

+ */

+#if defined(_GPIOD) || defined(__DOXYGEN__)

+#define IOPORT_D        GPIOD

+#endif

+

+/**

+ * @brief GPIO port A identifier.

+ */

+#if defined(_GPIOE) || defined(__DOXYGEN__)

+#define IOPORT_E        GPIOE

+#endif

+

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

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

+/* functions, please put them in a file named ioports_lld.c if so.           */

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

+

+/**

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

+ *

+ * @param[in] port the port identifier

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

+ *

+ * @note This function is not meant to be invoked directly by the application

+ *       code.

+ */

+#define ioport_write_lld(port, bits) ((port)->ODR = (bits))

+

+/**

+ * @brief Reads an I/O port.

+ *

+ * @param[in] port the port identifier

+ * @return the port bits

+ *

+ * @note This function is not meant to be invoked directly by the application

+ *       code.

+ */

+#define ioport_read_lld(port) ((port)->IDR)

+

+/**

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

+ *

+ * @param[in] port the port identifier

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

+ *

+ * @note This function is not meant to be invoked directly by the application

+ *       code.

+ */

+#define ioport_set_lld(port, bits) ((port)->BSRR = (bits))

+

+/**

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

+ *

+ * @param[in] port the port identifier

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

+ *

+ * @note This function is not meant to be invoked directly by the application

+ *       code.

+ */

+#define ioport_clear_lld(port, bits) ((port)->BRR = (bits))

+

+/**

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

+ *

+ * @param[in] port the port identifier

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

+ *

+ * @note This function is not meant to be invoked directly by the application

+ *       code.

+ */

+#define ioport_toggle_lld(port, bits) ((port)->ODR ^= (bits))

+

+/**

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

+ *

+ * @param[in] bus the I/O bus, pointer to a @p IOBus structure

+ * @param[in] bits the bits to be written on the I/O bus. Values exceeding

+ *            the bus width are masked so most significant bits are lost.

+ *

+ * @note This function is not meant to be invoked directly by the application

+ *       code.

+ */

+#define ioport_writebus_lld(bus, bits) {                                \

+  (bus)->bus_portid->BSRR = ((((~(bits)) << (bus)->bus_offset) &        \

+                             (bus)->bus_mask) << 16) |                  \

+                            (((bits) << (bus)->bus_offset) &            \

+                             (bus)->bus_mask);                          \

+}

+

+/**

+ * @brief Reads a value from an I/O bus.

+ *

+ * @param[in] bus the I/O bus, pointer to a @p IOBus structure

+ * @return the bus bits

+ *

+ * @note This function is not meant to be invoked directly by the application

+ *       code.

+ */

+#define ioport_readbus_lld(bus) \

+  (((bus)->bus_portid->IDR & (bus)->bus_mask) >> (bus)->bus_offset)

+

+#endif /* _IOPORTS_LLD_H_ */

+

+/** @} */