mbed official / mbed-src

mbed library sources

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Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

Diff: common/rtc_time.c

Revision:
489:119543c9f674
Parent:
221:8276e3a4886f
--- a/common/rtc_time.c	Thu Mar 05 13:15:07 2015 +0000
+++ b/common/rtc_time.c	Thu Mar 12 14:30:49 2015 +0000
@@ -19,6 +19,18 @@
 #include "rtc_time.h"
 #include "us_ticker_api.h"
 
+#if DEVICE_RTC
+static void (*_rtc_init)(void) = rtc_init;
+static int (*_rtc_isenabled)(void) = rtc_isenabled;
+static time_t (*_rtc_read)(void) = rtc_read;
+static void (*_rtc_write)(time_t t) = rtc_write;
+#else
+static void (*_rtc_init)(void) = NULL;
+static int (*_rtc_isenabled)(void) = NULL;
+static time_t (*_rtc_read)(void) = NULL;
+static void (*_rtc_write)(time_t t) = NULL;
+#endif
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -29,15 +41,16 @@
 #endif
 
 {
-#if DEVICE_RTC
-    if (!(rtc_isenabled())) {
-        set_time(0);
+    if (_rtc_isenabled != NULL) {
+        if (!(_rtc_isenabled())) {
+            set_time(0);
+        }
     }
-    time_t t = rtc_read();
-
-#else
+    
     time_t t = 0;
-#endif
+    if (_rtc_read != NULL) {
+        t = _rtc_read();
+    }
 
     if (timer != NULL) {
         *timer = t;
@@ -46,10 +59,12 @@
 }
 
 void set_time(time_t t) {
-#if DEVICE_RTC
-    rtc_init();
-    rtc_write(t);
-#endif
+    if (_rtc_init != NULL) {
+        _rtc_init();
+    }
+    if (_rtc_write != NULL) {
+        _rtc_write(t);
+    }
 }
 
 clock_t clock() {
@@ -58,6 +73,17 @@
     return t;
 }
 
+void attach_rtc(time_t (*read_rtc)(void), void (*write_rtc)(time_t), void (*init_rtc)(void), int (*isenabled_rtc)(void)) {
+    __disable_irq();
+    _rtc_read = read_rtc;
+    _rtc_write = write_rtc;
+    _rtc_init = init_rtc;
+    _rtc_isenabled = isenabled_rtc;
+    __enable_irq();
+}
+
+
+
 #ifdef __cplusplus
 }
 #endif