From 5afd99de17e294d130b426aff43aeef962233415 Mon Sep 17 00:00:00 2001
From: Fabio Utzig <utzig@utzig.org>
Date: Tue, 12 May 2015 22:06:28 -0300
Subject: Add basic HAL/ST drivers

---
 os/hal/ports/NRF51/NRF51822/st_lld.h | 141 +++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 os/hal/ports/NRF51/NRF51822/st_lld.h

(limited to 'os/hal/ports/NRF51/NRF51822/st_lld.h')

diff --git a/os/hal/ports/NRF51/NRF51822/st_lld.h b/os/hal/ports/NRF51/NRF51822/st_lld.h
new file mode 100644
index 0000000..2e0672e
--- /dev/null
+++ b/os/hal/ports/NRF51/NRF51822/st_lld.h
@@ -0,0 +1,141 @@
+/*
+    ChibiOS - Copyright (C) 2015 Fabio Utzig
+
+    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    st_lld.h
+ * @brief   NRF51822 ST subsystem low level driver header.
+ * @details This header is designed to be include-able without having to
+ *          include other files from the HAL.
+ *
+ * @addtogroup ST
+ * @{
+ */
+
+#ifndef _ST_LLD_H_
+#define _ST_LLD_H_
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void st_lld_init(void);
+#ifdef __cplusplus
+}
+#endif
+
+/*===========================================================================*/
+/* Driver inline functions.                                                  */
+/*===========================================================================*/
+
+/**
+ * @brief   Returns the time counter value.
+ *
+ * @return              The counter value.
+ *
+ * @notapi
+ */
+static inline systime_t st_lld_get_counter(void) {
+
+  return (systime_t)0;
+}
+
+/**
+ * @brief   Starts the alarm.
+ * @note    Makes sure that no spurious alarms are triggered after
+ *          this call.
+ *
+ * @param[in] abstime   the time to be set for the first alarm
+ *
+ * @notapi
+ */
+static inline void st_lld_start_alarm(systime_t abstime) {
+
+  (void)abstime;
+}
+
+/**
+ * @brief   Stops the alarm interrupt.
+ *
+ * @notapi
+ */
+static inline void st_lld_stop_alarm(void) {
+
+}
+
+/**
+ * @brief   Sets the alarm time.
+ *
+ * @param[in] abstime   the time to be set for the next alarm
+ *
+ * @notapi
+ */
+static inline void st_lld_set_alarm(systime_t abstime) {
+
+  (void)abstime;
+}
+
+/**
+ * @brief   Returns the current alarm time.
+ *
+ * @return              The currently set alarm time.
+ *
+ * @notapi
+ */
+static inline systime_t st_lld_get_alarm(void) {
+
+  return (systime_t)0;
+}
+
+/**
+ * @brief   Determines if the alarm is active.
+ *
+ * @return              The alarm status.
+ * @retval false        if the alarm is not active.
+ * @retval true         is the alarm is active
+ *
+ * @notapi
+ */
+static inline bool st_lld_is_alarm_active(void) {
+
+  return false;
+}
+
+#endif /* _ST_LLD_H_ */
+
+/** @} */
-- 
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