Diff: RTC2.cpp

Revision:

0:f309f06aeec7

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/RTC2.cpp	Thu May 10 21:14:34 2012 +0000
@@ -0,0 +1,53 @@
+#include "mbed.h"
+
+void printTime(int n) {
+    printf("\n");
+
+    time_t prev = time(NULL);
+    while (n > 0) {
+        time_t seconds = time(NULL);
+        if (prev != seconds) {
+            char buf[32];
+            strftime(buf, sizeof(buf), "%x %X", localtime(&seconds));
+            printf("%s\n", buf);
+            prev = seconds;
+            n--;
+        }
+    }
+}
+
+void adjustTime() {
+    int n1, n2, n3, n4, n5, n6;
+    struct tm t;
+
+    printf("\nEnter current time (yy/mm/dd hh:mm:ss)\n");
+
+    scanf("%d / %d / %d %d : %d : %d", &n1, &n2, &n3, &n4, &n5, &n6);
+    t.tm_sec = n6;
+    t.tm_min = n5;
+    t.tm_hour = n4;
+    t.tm_mday = n3;
+    t.tm_mon = n2 - 1;
+    t.tm_year = n1 + 100;
+
+    set_time(mktime(&t));
+}
+
+int main() {
+    if (time(NULL) == (time_t) -1) {
+        set_time(0);
+    }
+
+    printf("Adjust RTC - Enter t or T\n");
+
+    while (true) {
+        switch (getchar()) {
+            case 'T':
+                adjustTime();
+                break;
+            case 't':
+                printTime(5);
+                break;
+        }
+    }
+}
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