Halfway RTC driver refactoring

lib/RTC/WS_PCF85063.h

@@ -1,6 +1,7 @@
 #pragma once
 
 #include "I2C_Driver.h"
+#include <string>
 
 // PCF85063_ADDRESS
 #define PCF85063_ADDRESS (0x51)
@@ -90,3 +91,48 @@ void PCF85063_Set_Alarm(datetime_t time);
 void PCF85063_Read_Alarm(datetime_t *time);
 
 void datetime_to_str(char *datetime_str, datetime_t time);
+
+namespace drivers
+{
+
+  class PCF85063
+  {
+    I2C &m_i2c;
+    uint8_t m_address;
+
+    typedef struct
+    {
+      uint16_t year;
+      uint8_t month;
+      uint8_t day;
+      uint8_t dotw;
+      uint8_t hour;
+      uint8_t minute;
+      uint8_t second;
+    } datetime_t;
+
+  public:
+    PCF85063(I2C &i2c, const uint8_t address, const uint8_t ctrl1, const uint8_t ctrl2);
+
+    const bool reset(void);
+
+    const bool setTime(datetime_t time);
+    const bool setDate(datetime_t date);
+    const bool setDatetime(datetime_t datetime);
+
+    const bool readDate(datetime_t &datetime);
+    const bool readTime(datetime_t &datetime);
+    const bool readDatetime(datetime_t &datetime);
+    
+    const bool enableAlarm(const bool enable);
+    const bool setAlarm(datetime_t time);
+    const bool readAlarm(datetime_t &time);
+    const bool getAlarmFlafs(uint8_t& flags);
+
+  private:
+    const std::string datetime2str(datetime_t &time);
+    const uint8_t decToBcd(int val);
+    const int bcdToDec(uint8_t val);
+  };
+
+}