Diff: utility/BlynkDateTime.h

Revision:

8:a34aa310ec48

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/utility/BlynkDateTime.h	Wed Oct 12 10:38:37 2016 +0300
@@ -0,0 +1,173 @@
+/**
+ * @file       BlynkDateTime.h
+ * @author     Volodymyr Shymanskyy
+ * @license    This project is released under the MIT License (MIT)
+ * @copyright  Copyright (c) 2016 Volodymyr Shymanskyy
+ * @date       Aug 2016
+ * @brief      DateTime implementation
+ *
+ */
+
+#ifndef BlynkDateTime_h
+#define BlynkDateTime_h
+
+typedef long blynk_time_t;
+
+struct blynk_tm *blynk_gmtime_r(const blynk_time_t *time, struct blynk_tm *tm);
+blynk_time_t blynk_mk_gmtime(struct blynk_tm *tm);
+
+struct blynk_tm {
+    int8_t          tm_sec;
+    int8_t          tm_min;
+    int8_t          tm_hour;
+    int8_t          tm_mday;
+    int8_t          tm_wday;
+    int8_t          tm_mon;
+    int16_t         tm_year;
+    int16_t         tm_yday;
+    int16_t         tm_isdst;
+};
+
+class BlynkTime {
+
+public:
+    static const uint32_t MAX_TIME = 86400L;
+
+    BlynkTime() : mTime(-1) {}
+
+    BlynkTime(const BlynkTime& t) : mTime(t.mTime) {}
+
+    BlynkTime(long seconds) : mTime(seconds % MAX_TIME) {}
+
+    BlynkTime(int hour, int minute, int second)
+    {
+        mTime = (hour * 3600 + minute * 60 + second) % MAX_TIME;
+    }
+
+    int second() const { return mTime % 60; }
+    int minute() const { return (mTime / 60) % 60; }
+    int hour()   const { return mTime / 3600; }
+
+    int hour12() const {
+        int h = hour();
+        if (h == 0)
+            return 12; // 12 midnight
+        else if (h > 12)
+            return h - 12;
+        return h;
+    }
+
+    bool isAM() const { return !isPM(); }
+    bool isPM() const { return (hour() >= 12); }
+
+    void adjustSeconds(int sec) {
+        if (isValid()) {
+            mTime = (mTime + sec) % MAX_TIME;
+        }
+    }
+
+    blynk_time_t getUnixOffset() const { return mTime; }
+
+    bool isValid()  const { return mTime < MAX_TIME; }
+    operator bool() const { return isValid(); }
+
+    bool operator == (const BlynkTime& t) const { return mTime == t.mTime; }
+    bool operator >= (const BlynkTime& t) const { return mTime >= t.mTime; }
+    bool operator <= (const BlynkTime& t) const { return mTime <= t.mTime; }
+    bool operator >  (const BlynkTime& t) const { return mTime >  t.mTime; }
+    bool operator <  (const BlynkTime& t) const { return mTime <  t.mTime; }
+
+private:
+    uint32_t mTime;
+};
+
+class BlynkDateTime {
+
+public:
+    BlynkDateTime() : mTime(0) {}
+
+    BlynkDateTime(const BlynkDateTime& t)
+    {
+        mTime = t.mTime;
+        blynk_gmtime_r(&mTime, &mTm);
+    }
+
+    BlynkDateTime(blynk_time_t t)
+    {
+        mTime = t;
+        blynk_gmtime_r(&mTime, &mTm);
+    }
+
+    BlynkDateTime(int hour, int minute, int second, int day, int month, int year)
+    {
+        mTm.tm_hour = hour;
+        mTm.tm_min  = minute;
+        mTm.tm_sec  = second;
+
+        mTm.tm_mday = day;
+        mTm.tm_mon  = month - 1;
+        mTm.tm_year = year - 1900;
+
+        mTm.tm_isdst = 0;
+
+        mTime = blynk_mk_gmtime(&mTm);
+    }
+
+    int second() const { return mTm.tm_sec; }
+    int minute() const { return mTm.tm_min; }
+    int hour()   const { return mTm.tm_hour; }
+    int day()    const { return mTm.tm_mday; }
+    int month()  const { return 1 + mTm.tm_mon; }
+    int year()   const { return 1900 + mTm.tm_year; }
+
+    int day_of_year() const { return 1 + mTm.tm_yday; }
+    int day_of_week() const { return mTm.tm_wday == 0 ? 7 : mTm.tm_wday; }
+
+    /*int weak_of_year() const {
+        int julian = day_of_year();
+        int dow = day_of_week();
+        int dowJan1 = BlynkDateTime(0,0,0, 1,1,year()).day_of_week();
+        int weekNum = ((julian + 6) / 7);
+        if (dow < dowJan1)
+            ++weekNum;
+        return (weekNum);
+    }*/
+
+    int hour12() const {
+        int h = hour();
+        if (h == 0)
+            return 12; // 12 midnight
+        else if (h > 12)
+            return h - 12;
+        return h;
+    }
+
+    bool isAM() const { return !isPM(); }
+    bool isPM() const { return (hour() >= 12); }
+
+    void adjustSeconds(int sec) {
+        if (isValid()) {
+            mTime += sec;
+            blynk_gmtime_r(&mTime, &mTm);
+        }
+    }
+
+    //tm& getTm() { return mTm; }
+    blynk_time_t getUnix() const { return mTime; }
+
+    bool isValid()  const { return mTime != 0; }
+    operator bool() const { return isValid(); }
+
+    bool operator == (const BlynkDateTime& t) const { return mTime == t.mTime; }
+    bool operator >= (const BlynkDateTime& t) const { return mTime >= t.mTime; }
+    bool operator <= (const BlynkDateTime& t) const { return mTime <= t.mTime; }
+    bool operator >  (const BlynkDateTime& t) const { return mTime >  t.mTime; }
+    bool operator <  (const BlynkDateTime& t) const { return mTime <  t.mTime; }
+
+private:
+    blynk_tm mTm;
+    blynk_time_t mTime;
+};
+
+
+#endif