diff options
Diffstat (limited to 'os/hal/src/rtc.c')
| -rw-r--r-- | os/hal/src/rtc.c | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/os/hal/src/rtc.c b/os/hal/src/rtc.c new file mode 100644 index 000000000..a05291528 --- /dev/null +++ b/os/hal/src/rtc.c @@ -0,0 +1,186 @@ +/*
+ ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
+ 2011,2012,2013 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/>.
+*/
+/*
+ Concepts and parts of this file have been contributed by Uladzimir Pylinsky
+ aka barthess.
+ */
+
+/**
+ * @file rtc.c
+ * @brief RTC Driver code.
+ *
+ * @addtogroup RTC
+ * @{
+ */
+
+#include "hal.h"
+
+#if HAL_USE_RTC || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief RTC Driver initialization.
+ * @note This function is implicitly invoked by @p halInit(), there is
+ * no need to explicitly initialize the driver.
+ *
+ * @init
+ */
+void rtcInit(void) {
+
+ rtc_lld_init();
+}
+
+/**
+ * @brief Set current time.
+ *
+ * @param[in] rtcp pointer to RTC driver structure
+ * @param[in] timespec pointer to a @p RTCDateTime structure
+ *
+ * @api
+ */
+void rtcSetTime(RTCDriver *rtcp, const RTCDateTime *timespec) {
+
+ osalDbgCheck((rtcp != NULL) && (timespec != NULL));
+
+ osalSysLock();
+ rtcSetTimeI(rtcp, timespec);
+ osalSysUnlock();
+}
+
+/**
+ * @brief Get current time.
+ *
+ * @param[in] rtcp pointer to RTC driver structure
+ * @param[out] timespec pointer to a @p RTCDateTime structure
+ *
+ * @api
+ */
+void rtcGetTime(RTCDriver *rtcp, RTCDateTime *timespec) {
+
+ osalDbgCheck((rtcp != NULL) && (timespec != NULL));
+
+ osalSysLock();
+ rtcGetTimeI(rtcp, timespec);
+ osalSysUnlock();
+}
+
+#if (RTC_ALARMS > 0) || defined(__DOXYGEN__)
+/**
+ * @brief Set alarm time.
+ *
+ * @param[in] rtcp pointer to RTC driver structure
+ * @param[in] alarm alarm identifier
+ * @param[in] alarmspec pointer to a @p RTCAlarm structure or @p NULL
+ *
+ * @api
+ */
+void rtcSetAlarm(RTCDriver *rtcp,
+ rtcalarm_t alarm,
+ const RTCAlarm *alarmspec) {
+
+ osalDbgCheck((rtcp != NULL) && (alarm < RTC_ALARMS));
+
+ osalSysLock();
+ rtcSetAlarmI(rtcp, alarm, alarmspec);
+ osalSysUnlock();
+}
+
+/**
+ * @brief Get current alarm.
+ * @note If an alarm has not been set then the returned alarm specification
+ * is not meaningful.
+ *
+ * @param[in] rtcp pointer to RTC driver structure
+ * @param[in] alarm alarm identifier
+ * @param[out] alarmspec pointer to a @p RTCAlarm structure
+ *
+ * @api
+ */
+void rtcGetAlarm(RTCDriver *rtcp,
+ rtcalarm_t alarm,
+ RTCAlarm *alarmspec) {
+
+ osalDbgCheck((rtcp != NULL) && (alarm < RTC_ALARMS) && (alarmspec != NULL));
+
+ osalSysLock();
+ rtcGetAlarmI(rtcp, alarm, alarmspec);
+ osalSysUnlock();
+}
+#endif /* RTC_ALARMS > 0 */
+
+#if RTC_SUPPORTS_CALLBACKS || defined(__DOXYGEN__)
+/**
+ * @brief Enables or disables RTC callbacks.
+ * @details This function enables or disables the callback, use a @p NULL
+ * pointer in order to disable it.
+ *
+ * @param[in] rtcp pointer to RTC driver structure
+ * @param[in] callback callback function pointer or @p NULL
+ *
+ * @api
+ */
+void rtcSetCallback(RTCDriver *rtcp, rtccb_t callback) {
+
+ osalDbgCheck(rtcp != NULL);
+
+ osalSysLock();
+ rtcSetCallbackI(rtcp, callback);
+ osalSysUnlock();
+}
+#endif /* RTC_SUPPORTS_CALLBACKS */
+
+/**
+ * @brief Get current time in format suitable for usage in FAT file system.
+ *
+ * @param[out] timespec pointer to a @p RTCDateTime structure
+ * @return FAT date/time value.
+ *
+ * @api
+ */
+uint32_t rtcConvertDateTimeToFAT(RTCDateTime *timespec) {
+
+ osalDbgCheck(timespec != NULL);
+
+ /* TODO: Implement.*/
+ return 0;
+}
+
+#endif /* HAL_USE_RTC */
+
+/** @} */
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