I2C driver

lib/RTC/WS_PCF85063.h

@@ -0,0 +1,103 @@
+#pragma once
+
+#include "I2C_Driver.h"
+
+//PCF85063_ADDRESS
+#define PCF85063_ADDRESS    (0x51)
+//
+#define YEAR_OFFSET			    (1970)
+// registar overview - crtl & status reg
+#define RTC_CTRL_1_ADDR     (0x00)
+#define RTC_CTRL_2_ADDR     (0x01)
+#define RTC_OFFSET_ADDR     (0x02)
+#define RTC_RAM_by_ADDR     (0x03)
+// registar overview - time & data reg
+#define RTC_SECOND_ADDR		  (0x04)
+#define RTC_MINUTE_ADDR		  (0x05)
+#define RTC_HOUR_ADDR		    (0x06)
+#define RTC_DAY_ADDR		    (0x07)
+#define RTC_WDAY_ADDR		    (0x08)
+#define RTC_MONTH_ADDR		  (0x09)
+#define RTC_YEAR_ADDR		    (0x0A)	// years 0-99; calculate real year = 1970 + RCC reg year
+// registar overview - alarm reg
+#define RTC_SECOND_ALARM	  (0x0B)
+#define RTC_MINUTE_ALARM	  (0x0C)
+#define RTC_HOUR_ALARM		  (0x0D)
+#define RTC_DAY_ALARM		    (0x0E)
+#define RTC_WDAY_ALARM		  (0x0F)
+// registar overview - timer reg
+#define RTC_TIMER_VAL 	    (0x10)
+#define RTC_TIMER_MODE	    (0x11)
+
+//RTC_CTRL_1 registar
+#define RTC_CTRL_1_EXT_TEST (0x80)
+#define RTC_CTRL_1_STOP     (0x20) //0-RTC clock runs 1- RTC clock is stopped
+#define RTC_CTRL_1_SR       (0X10) //0-no software reset 1-initiate software rese
+#define RTC_CTRL_1_CIE      (0X04) //0-no correction interrupt generated 1-interrupt pulses are generated at every correction cycle
+#define RTC_CTRL_1_12_24    (0X02) //0-24H 1-12H
+#define RTC_CTRL_1_CAP_SEL  (0X01) //0-7PF 1-12.5PF
+
+//RTC_CTRL_2 registar
+#define RTC_CTRL_2_AIE      (0X80) //alarm interrupt 0-disalbe 1-enable
+#define RTC_CTRL_2_AF       (0X40) //alarm flag  0-inactive/cleared 1-active/unchanged
+#define RTC_CTRL_2_MI       (0X20) //minute interrupt 0-disalbe 1-enable
+#define RTC_CTRL_2_HMI      (0X10) //half minute interrupt 
+#define RTC_CTRL_2_TF       (0X08)
+
+//
+#define RTC_OFFSET_MODE     (0X80)
+
+//
+#define RTC_TIMER_MODE_TE   (0X04) //timer enable 0-disalbe 1-enable
+#define RTC_TIMER_MODE_TIE  (0X02) //timer interrupt enable 0-disalbe 1-enable
+#define RTC_TIMER_MODE_TI_TP    (0X01) //timer interrupt mode 0-interrupt follows timer flag 1-interrupt generates a pulse
+
+// format 
+#define RTC_ALARM 			    (0x80)	// set AEN_x registers
+#define RTC_CTRL_1_DEFAULT	(0x00)
+#define RTC_CTRL_2_DEFAULT	(0x00)
+
+#define RTC_TIMER_FLAG		  (0x08)
+
+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;
+
+
+const unsigned char MonthStr[12][4] = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov","Dec"};
+const unsigned char Week[7][5] = {"SUN","Mon","Tues","Wed","Thur","Fri","Sat"};
+
+extern datetime_t datetime;
+void PCF85063_Init(void);
+void PCF85063_Reset(void);
+void PCF85063Task(void *parameter);
+
+void PCF85063_Set_Time(datetime_t time);
+void PCF85063_Set_Date(datetime_t date);
+void PCF85063_Set_All(datetime_t time);
+
+void PCF85063_Read_Time(datetime_t *time);
+
+
+void PCF85063_Enable_Alarm(void);
+uint8_t PCF85063_Get_Alarm_Flag();
+void PCF85063_Set_Alarm(datetime_t time);
+void PCF85063_Read_Alarm(datetime_t *time);
+
+void datetime_to_str(char *datetime_str,datetime_t time);
+
+
+// weekday format
+// 0 - sunday
+// 1 - monday
+// 2 - tuesday
+// 3 - wednesday
+// 4 - thursday
+// 5 - friday
+// 6 - saturday