import ChibiOS 2.0.8

ChibiOS_2.0.8/os/hal/platforms/MSP430/hal_lld.h

@@ -0,0 +1,119 @@
+/*
+    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/>.
+
+                                      ---
+
+    A special exception to the GPL can be applied should you wish to distribute
+    a combined work that includes ChibiOS/RT, without being obliged to provide
+    the source code for any proprietary components. See the file exception.txt
+    for full details of how and when the exception can be applied.
+*/
+
+/**
+ * @file MSP430/hal_lld.h
+ * @brief MSP430 HAL subsystem low level driver header.
+ * @addtogroup MSP430_HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_H_
+#define _HAL_LLD_H_
+
+#include "msp430x16x.h"
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   Platform name.
+ */
+#define PLATFORM_NAME   "MSP430x16x"
+
+#define MSP430_CLOCK_SOURCE_XT2CLK  0   /** @brief XT2CLK clock selector.   */
+#define MSP430_CLOCK_SOURCE_DCOCLK  1   /** @brief DCOCLK clock selector.   */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/**
+ * @brief Clock source.
+ * @details The clock source can be selected from:
+ * - @p MSP430_CLOCK_SOURCE_XT2CLK.
+ * - @p MSP430_CLOCK_SOURCE_DCOCLK.
+ * .
+ */
+#if !defined(MSP430_USE_CLOCK) || defined(__DOXYGEN__)
+#define MSP430_USE_CLOCK            MSP430_CLOCK_SOURCE_XT2CLK
+#endif
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*
+ * Calculating the derived clock constants.
+ */
+#define ACLK                        LFXT1CLK
+#if MSP430_USE_CLOCK == MSP430_CLOCK_SOURCE_XT2CLK
+#define MCLK                        XT2CLK
+#define SMCLK                       (XT2CLK / 8)
+#elif MSP430_USE_CLOCK == MSP430_CLOCK_SOURCE_DCOCLK
+#define MCLK                        DCOCLK
+#define SMCLK                       DCOCLK
+#else
+#error "unknown clock source specified"
+#endif
+
+/*
+ * Calculating the initialization values.
+ */
+#define VAL_DCOCTL                  (DCO0 | DCO1)
+#if MSP430_USE_CLOCK == MSP430_CLOCK_SOURCE_XT2CLK
+#define VAL_BCSCTL1                 (RSEL2)
+#define VAL_BCSCTL2                 (SELM_2 | DIVM_0 | DIVS_3 | SELS)
+#endif
+#if MSP430_USE_CLOCK == MSP430_CLOCK_SOURCE_DCOCLK
+#define VAL_BCSCTL1                 (XT2OFF | RSEL2)
+#define VAL_BCSCTL2                 (SELM_0 | DIVM_0 | DIVS_0)
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void hal_lld_init(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _HAL_LLD_H_ */
+
+/** @} */