1 files changed, 130 insertions, 0 deletions
diff --git a/os/hal/platforms/STM32/rtc_lld.h b/os/hal/platforms/STM32/rtc_lld.h
new file mode 100644
index 000000000..3b4f69665
--- /dev/null
+++ b/os/hal/platforms/STM32/rtc_lld.h
@@ -0,0 +1,130 @@
+/*
+    ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+                 2011 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    STM32/rtc_lld.h
+ * @brief   STM32 RTC subsystem low level driver header.
+ *
+ * @addtogroup RTC
+ * @{
+ */
+
+#ifndef _RTC_LLD_H_
+#define _RTC_LLD_H_
+
+#if HAL_USE_RTC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+/**
+ * @brief   Switch to TRUE if you need callbacks from RTC. Switch to FALSE
+ *          if you need only time keeping.
+ * @note    Default is true.
+ */
+#if !defined(RTC_SUPPORTS_CALLBACKS) || defined(__DOXYGEN__)
+#define RTC_SUPPORTS_CALLBACKS              TRUE
+#endif
+
+/**
+ * @brief   Clock source selecting. LSE by default.
+ */
+#if !defined(RTC_CLOCK_SOURCE) || defined(__DOXYGEN__)
+#define RTC_CLOCK_SOURCE                    RCC_BDCR_RTCSEL_LSE
+#endif
+
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+#if HAL_USE_RTC && !STM32_HAS_RTC
+#error "RTC not present in the selected device"
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+/**
+ * @brief Structure representing an RTC driver config.
+ */
+typedef struct {
+  /**
+   * @brief Overflow callback. Set it to NULL if not used.
+   */
+  rtccb_t           overflow_cb;
+
+  /**
+   * @brief Every second callback. Set it to NULL if not used.
+   */
+  rtccb_t           second_cb;
+
+  /**
+   * @brief Alarm callback. Set it to NULL if not used.
+   */
+  rtccb_t           alarm_cb;
+}RTCConfig;
+
+
+/**
+ * @brief Structure representing an RTC driver.
+ */
+struct RTCDriver{
+  /**
+   * @brief Pointer to RCT config.
+   */
+  const RTCConfig       *config;
+};
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+extern RTCDriver RTCD;
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void rtc_lld_init(void);
+  void rtc_lld_start(RTCDriver *rtcp, const RTCConfig *rtccfgp);
+  void rtc_lld_stop(void);
+  void rtc_lld_set_time(uint32_t tv_sec);
+  uint32_t rtc_lld_get_sec(void);
+  uint16_t rtc_lld_get_msec(void);
+  uint32_t rtc_lld_get_alarm(void);
+  void rtc_lld_set_alarm(uint32_t);
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* HAL_USE_RTC */
+#endif /* _RTC_LLD_H_ */
+
+/** @} */