1 files changed, 100 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..cf18b664c
--- /dev/null
+++ b/os/hal/platforms/STM32/rtc_lld.h
@@ -0,0 +1,100 @@
+
+/**
+ * @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
+
+/*===========================================================================*/
+/* 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.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void rtc_lld_init(void);
+#if RTC_SUPPORTS_CALLBACKS
+  void rtc_lld_start(RTCDriver *rtcp, RTCConfig *rtccfgp);
+  void rtc_lld_stop(void);
+#endif /* RTC_SUPPORTS_CALLBACKS */
+  void rtc_lld_set_time(uint32_t tv_sec);
+  uint32_t rtc_lld_get_sec(void);
+  uint16_t rtc_lld_get_msec(void);
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* HAL_USE_RTC */
+#endif /* _RTC_LLD_H_ */
+
+/** @} */