Diff: rtc_time.h

Revision:

44:24d45a770a51

Parent:

43:e2ed12d17f06

Child:

54:71b101360fb9

diff -r e2ed12d17f06 -r 24d45a770a51 rtc_time.h
--- a/rtc_time.h	Fri Oct 26 17:40:46 2012 +0100
+++ b/rtc_time.h	Wed Nov 21 10:49:56 2012 +0000
@@ -1,211 +1,80 @@
-/** Implementation of the C time.h functions
- *
- * Provides mechanisms to set and read the current time, based
- * on the microcontroller Real-Time Clock (RTC), plus some 
- * standard C manipulation and formating functions. 
- *
- * Example:
- * @code
- * #include "mbed.h"
- *
- * int main() {
- *     set_time(1256729737);  // Set RTC time to Wed, 28 Oct 2009 11:35:37
- *      
- *     while(1) {    
- *         time_t seconds = time(NULL);
- *         
- *         printf("Time as seconds since January 1, 1970 = %d\n", seconds);
- *  
- *         printf("Time as a basic string = %s", ctime(&seconds));
- *
- *         char buffer[32];
- *         strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
- *         printf("Time as a custom formatted string = %s", buffer);
- *    
- *         wait(1);
- *     }
- * }
- * @endcode
- */
- 
-/* mbed Microcontroller Library - rtc_time
- * Copyright (c) 2009 ARM Limited. All rights reserved.
- */
-
-#include <time.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#if 0 // for documentation only
-/** Get the current time
- *
- *  Returns the current timestamp as the number of seconds since January 1, 1970
- *  (the UNIX timestamp). The value is based on the current value of the 
- *  microcontroller Real-Time Clock (RTC), which can be set using <set_time>.
- *
- * @param t Pointer to a time_t to be set, or NULL if not used
- *
- * @returns
- *   Number of seconds since January 1, 1970 (the UNIX timestamp)
- *
- * Example:
- * @code
- * #include "mbed.h"
- * 
- * int main() {
- *     time_t seconds = time(NULL);
- *     printf("It is %d seconds since January 1, 1970\n", seconds);
- * }
- * @endcode
- */
-time_t time(time_t *t);
-#endif
-
-/** Set the current time
- *
- * Initialises and sets the time of the microcontroller Real-Time Clock (RTC)
- * to the time represented by the number of seconds since January 1, 1970 
- * (the UNIX timestamp). 
- * 
- * @param t Number of seconds since January 1, 1970 (the UNIX timestamp) 
- *
- * Example:
- * @code
- * #include "mbed.h"
- *
- * int main() {
- *     set_time(1256729737); // Set time to Wed, 28 Oct 2009 11:35:37
- * }
- * @endcode
- */ 
-void set_time(time_t t);
-
-#if 0 // for documentation only
-/** Converts the tm structure in to a timestamp in seconds since January 1, 1970
- *  (the UNIX timestamp). The values of tm_wday and tm_yday of the tm structure 
- *  are also updated to their appropriate values.
- *
- * @param t The tm structure to convert
- *
- * @returns
- *   The converted timestamp
- *
- * Example:
- * @code
- * #include "mbed.h"
- *
- * int main() {
- *     // setup time structure for Wed, 28 Oct 2009 11:35:37
- *     struct tm t;
- *     t.tm_sec = 37;    // 0-59
- *     t.tm_min = 35;    // 0-59
- *     t.tm_hour = 11;   // 0-23
- *     t.tm_mday = 28;   // 1-31
- *     t.tm_mon = 9;     // 0-11
- *     t.tm_year = 109;  // year since 1900
- * 
- *     // convert to timestamp and display (1256729737)
- *     time_t seconds = mktime(&t);
- *     printf("Time as seconds since January 1, 1970 = %d\n", seconds);
- * }
- * @endcode
- */
-time_t mktime(struct tm *t);
-#endif
-
-#if 0 // for documentation only
-/** Converts the timestamp pointed to by t to a (statically allocated) 
- *  tm structure. 
- * 
- * @param t Pointer to the timestamp
- *
- * @returns
- *   Pointer to the (statically allocated) tm structure
- *
- * Example:
- * @code
- * #include "mbed.h"
- *
- * int main() {
- *     time_t seconds = 1256729737;
- *     struct tm *t = localtime(&seconds);
- * }
- * @endcode
- */
-struct tm *localtime(const time_t *t);
-#endif
-
-#if 0 // for documentation only
-/** Converts a timestamp to a human-readable string
- *  
- * Converts a time_t timestamp in seconds since January 1, 1970 (the UNIX
- * timestamp) to a human readable string format. The result is of the 
- * format: "Wed Oct 28 11:35:37 2009\n"
- *
- * Example:
- * @code
- * #include "mbed.h"
- *
- * int main() {
- *     time_t seconds = time(NULL);
- *     printf("Time as a string = %s", ctime(&seconds));
- * }
- * @endcode
- * 
- * @param t The timestamp to convert
- *
- * @returns Pointer to a (statically allocated) string containing the
- *            human readable representation, including a '\n' character
- */
-char *ctime(const time_t *t);
-#endif
- 
-#if 0 // for documentation only
-/** Converts a tm structure to a custom format human-readable string
- *  
- * Creates a formated string from a tm structure, based on a string format 
- * specifier provided.
- *
- * Format Specifiers: 
- * - %S - Second (00-59)
- * - %M - Minute (00-59)
- * - %H - Hour (00-23)
- * - %d - Day (01-31)
- * - %m - Month (01-12)
- * - %Y/%y - Year (2009/09)
- * - %A/%a - Weekday Name (Monday/Mon)
- * - %B/%b - Month Name (January/Jan)
- * - %I - 12 Hour Format (01-12)
- * - %p - "AM" or "PM"
- * - %X - Time (14:55:02)
- * - %x - Date (08/23/01)
- *
- * @param buffer String buffer to store the result
- * @param max Maximum number of characters to store in the buffer
- * @param format Format specifier string
- * @param t Pointer to the tm structure to convert
- *
- * @returns
- *   Number of characters copied
- * 
- * Example:
- * @code
- * #include "mbed.h"
- * 
- * int main() {
- *     time_t seconds = time(NULL);
- *  
- *     char buffer[32];
- *     strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
- *     printf("Time as a formatted string = %s", buffer);
- * }   
- * @endcode
- */
-size_t strftime(char *buffer, size_t max, const char *format, const struct tm *t);
-#endif
-
-#ifdef __cplusplus
-}
-#endif 
+/* mbed Microcontroller Library
+ * Copyright (c) 2006-2012 ARM Limited
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#include <time.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** Implementation of the C time.h functions
+ *
+ * Provides mechanisms to set and read the current time, based
+ * on the microcontroller Real-Time Clock (RTC), plus some 
+ * standard C manipulation and formating functions. 
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ *
+ * int main() {
+ *     set_time(1256729737);  // Set RTC time to Wed, 28 Oct 2009 11:35:37
+ *      
+ *     while(1) {    
+ *         time_t seconds = time(NULL);
+ *         
+ *         printf("Time as seconds since January 1, 1970 = %d\n", seconds);
+ *  
+ *         printf("Time as a basic string = %s", ctime(&seconds));
+ *
+ *         char buffer[32];
+ *         strftime(buffer, 32, "%I:%M %p\n", localtime(&seconds));
+ *         printf("Time as a custom formatted string = %s", buffer);
+ *    
+ *         wait(1);
+ *     }
+ * }
+ * @endcode
+ */
+
+/** Set the current time
+ *
+ * Initialises and sets the time of the microcontroller Real-Time Clock (RTC)
+ * to the time represented by the number of seconds since January 1, 1970 
+ * (the UNIX timestamp). 
+ * 
+ * @param t Number of seconds since January 1, 1970 (the UNIX timestamp) 
+ *
+ * Example:
+ * @code
+ * #include "mbed.h"
+ *
+ * int main() {
+ *     set_time(1256729737); // Set time to Wed, 28 Oct 2009 11:35:37
+ * }
+ * @endcode
+ */ 
+void set_time(time_t t);
+
+#ifdef __cplusplus
+}
+#endif