git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2380 35acf78f-673a-0410-8e92-d51de3d6d3f4

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diff --git a/os/hal/platforms/STM8S/serial_lld.h b/os/hal/platforms/STM8S/serial_lld.h
new file mode 100644
index 000000000..fe6b9bcaa
--- /dev/null
+++ b/os/hal/platforms/STM8S/serial_lld.h
@@ -0,0 +1,173 @@
+/*

+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010 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    STM8/serial_lld.h

+ * @brief   STM8 low level serial driver header.

+ *

+ * @addtogroup SERIAL

+ * @{

+ */

+

+#ifndef _SERIAL_LLD_H_

+#define _SERIAL_LLD_H_

+

+#if HAL_USE_SERIAL || defined(__DOXYGEN__)

+

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

+/* Driver constants.                                                         */

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

+

+#define SD_MODE_PARITY          0x07        /**< @brief Parity field mask.  */

+#define SD_MODE_PARITY_NONE     0x00        /**< @brief No parity.          */

+#define SD_MODE_PARITY_EVEN     0x05        /**< @brief Even parity.        */

+#define SD_MODE_PARITY_ODD      0x07        /**< @brief Odd parity.         */

+

+#define SD_MODE_STOP            0x30        /**< @brief Stop bits mask.     */

+#define SD_MODE_STOP_1          0x00        /**< @brief One stop bit.       */

+#define SD_MODE_STOP_2          0x20        /**< @brief Two stop bits.      */

+#define SD_MODE_STOP_1P5        0x30        /**< @brief 1.5 stop bits.      */

+

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

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

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

+

+/**

+ * @brief   UART1 driver enable switch.

+ * @details If set to @p TRUE the support for UART1 is included.

+ * @note    The default is @p TRUE.

+ */

+#if !defined(STM8_SERIAL_USE_UART1) || defined(__DOXYGEN__)

+#define STM8_SERIAL_USE_UART1           TRUE

+#endif

+

+/**

+ * @brief   UART2 driver enable switch.

+ * @details If set to @p TRUE the support for UART3 is included.

+ * @note    The default is @p TRUE.

+ */

+#if !defined(STM8_SERIAL_USE_UART2) || defined(__DOXYGEN__)

+#define STM8_SERIAL_USE_UART2           TRUE

+#endif

+

+/**

+ * @brief   UART3 driver enable switch.

+ * @details If set to @p TRUE the support for UART3 is included.

+ * @note    The default is @p TRUE.

+ */

+#if !defined(STM8_SERIAL_USE_UART3) || defined(__DOXYGEN__)

+#define STM8_SERIAL_USE_UART3           TRUE

+#endif

+

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

+/* Derived constants and error checks.                                       */

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

+

+#if STM8_SERIAL_USE_UART2 && STM8_SERIAL_USE_UART3

+#error "STM8 UART2 and UART3 cannot be used together"

+#endif

+

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

+/* Driver data structures and types.                                         */

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

+

+/**

+ * @brief   Serial Driver condition flags type.

+ */

+typedef uint8_t sdflags_t;

+

+/**

+ * @brief   Generic Serial Driver configuration structure.

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

+ *          in order to configure and start a serial driver operations.

+ * @note    This structure content is architecture dependent, each driver

+ *          implementation defines its own version and the custom static

+ *          initializers.

+ */

+typedef struct {

+  /**

+   * @brief Bit rate register.

+   */

+  uint16_t                  sc_brr;

+  /**

+   * @brief Mode flags.

+   */

+  uint8_t                   sc_mode;

+} SerialConfig;

+

+/**

+ * @brief   @p SerialDriver specific data.

+ */

+#define _serial_driver_data                                                 \

+  _base_asynchronous_channel_data                                           \

+  /* Driver state.*/                                                        \

+  sdstate_t                 state;                                          \

+  /* Input queue.*/                                                         \

+  InputQueue                iqueue;                                         \

+  /* Output queue.*/                                                        \

+  OutputQueue               oqueue;                                         \

+  /* Status Change @p EventSource.*/                                        \

+  EventSource               sevent;                                         \

+  /* I/O driver status flags.*/                                             \

+  sdflags_t                 flags;                                          \

+  /* Input circular buffer.*/                                               \

+  uint8_t                   ib[SERIAL_BUFFERS_SIZE];                        \

+  /* Output circular buffer.*/                                              \

+  uint8_t                   ob[SERIAL_BUFFERS_SIZE];                        \

+  /* End of the mandatory fields.*/

+

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

+/* Driver macros.                                                            */

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

+

+/**

+ * @brief   Macro for baud rate computation.

+ * @note    Make sure the final baud rate is within tolerance.

+ */

+#define BBR(b) (SYSCLK / (b))

+

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

+/* External declarations.                                                    */

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

+

+#if STM8_SERIAL_USE_UART1 && !defined(__DOXYGEN__)

+extern SerialDriver SD1;

+#endif

+#if STM8_SERIAL_USE_UART2 && !defined(__DOXYGEN__)

+extern SerialDriver SD2;

+#endif

+#if STM8_SERIAL_USE_UART3 && !defined(__DOXYGEN__)

+extern SerialDriver SD3;

+#endif

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+  void sd_lld_init(void);

+  void sd_lld_start(SerialDriver *sdp, const SerialConfig *config);

+  void sd_lld_stop(SerialDriver *sdp);

+#ifdef __cplusplus

+}

+#endif

+

+#endif /* HAL_USE_SERIAL */

+

+#endif /* _SERIAL_LLD_H_ */

+

+/** @} */