Diff: targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/rtc_api.c

Revision:

181:57724642e740

Parent:

175:af195413fb11

Child:

186:707f6e361f3e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/targets/TARGET_NXP/TARGET_MCUXpresso_MCUS/TARGET_LPC/rtc_api.c	Fri Feb 16 16:09:33 2018 +0000
@@ -0,0 +1,62 @@
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2013 ARM Limited
+ *
+ * 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.
+ */
+#include "rtc_api.h"
+
+#if DEVICE_RTC
+
+#include "pinmap.h"
+#include "fsl_rtc.h"
+#include "PeripheralPins.h"
+
+extern void rtc_setup_oscillator(void);
+
+void rtc_init(void)
+{
+    rtc_setup_oscillator();
+
+    RTC_Init(RTC);
+
+    RTC_StartTimer(RTC);
+}
+
+void rtc_free(void)
+{
+    RTC_Deinit(RTC);
+}
+
+/*
+ * Little check routine to see if the RTC has been enabled
+ * 0 = Disabled, 1 = Enabled
+ */
+int rtc_isenabled(void)
+{
+    CLOCK_EnableClock(kCLOCK_Rtc);
+    return (int)((RTC->CTRL & RTC_CTRL_RTC_EN_MASK) >> RTC_CTRL_RTC_EN_SHIFT);
+}
+
+time_t rtc_read(void)
+{
+    return (time_t)RTC->COUNT;
+}
+
+void rtc_write(time_t t)
+{
+    RTC_StopTimer(RTC);
+    RTC->COUNT = t;
+    RTC_StartTimer(RTC);
+}
+
+#endif