1 files changed, 115 insertions, 0 deletions
diff --git a/os/hal/platforms/MSP430/hal_lld.h b/os/hal/platforms/MSP430/hal_lld.h
new file mode 100644
index 000000000..80ee0d14b
--- /dev/null
+++ b/os/hal/platforms/MSP430/hal_lld.h
@@ -0,0 +1,115 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006-2013 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    MSP430/hal_lld.h
+ * @brief   MSP430 HAL subsystem low level driver header.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _HAL_LLD_H_
+#define _HAL_LLD_H_
+
+#include "msp430.h"
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   Defines the support for realtime counters in the HAL.
+ */
+#define HAL_IMPLEMENTS_COUNTERS FALSE
+
+/**
+ * @brief   Platform name.
+ */
+#define PLATFORM_NAME   "MSP430"
+
+#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_ */
+
+/** @} */