inital version

ds1302.h

@@ -0,0 +1,47 @@
+#pragma once
+#include <stdint.h>
+
+class DS1302
+{
+public:
+    typedef struct Timeval
+    {
+        uint8_t sec;
+        uint8_t min;
+        uint8_t hour;
+        uint8_t day;
+        uint8_t month;
+        uint16_t year;
+    } Timeval;
+    
+private:
+    
+    static constexpr uint16_t EPOCH = 2000;
+    
+    static constexpr uint8_t REG_SEC  = 0x80;
+    static constexpr uint8_t REG_MIN  = 0x82;
+    static constexpr uint8_t REG_HOUR = 0x84;
+    static constexpr uint8_t REG_DAY  = 0x86;
+    static constexpr uint8_t REG_MONTH= 0x88;
+    static constexpr uint8_t REG_YEAR = 0x8C;
+    static constexpr uint8_t REG_WP   = 0x8E;
+    
+    static constexpr int8_t writeRegisterOffset = -1;
+    
+    volatile unsigned char *_port;
+    volatile unsigned char *_pinReg;
+    volatile unsigned char *_ddrReg;
+    const unsigned char _pinIO;
+    const unsigned char _pinCE;
+    const unsigned char _pinSCLK;
+    
+    
+public:
+    DS1302(volatile unsigned char *port, volatile unsigned char *pinReg, volatile unsigned char *ddrReg, const unsigned char pinIO, const unsigned char pinCE, const unsigned char pinSCLK);
+    
+    void write(const uint8_t addr,const uint8_t value);
+    uint8_t read(const uint8_t addr);
+    
+    Timeval getTime();
+    void setTime(const Timeval& in);
+};