STM32 ISL1208编程

1. //ISL1208.h
2. #ifndef_ISL1208_H_
3. #define_ISL1208_H_
4. #include"stm32f10x.h"
6. typedefstructMy_Time
7. {
8. u8_year;
9. u8_month;
10. u8_day;
11. u8_hour;
12. u8_min;
13. u8_sec;
14. u8_week;
15. }MY_TIME,*pMY_TIME;
17. externMY_TIMEsMyTime;
18. voidISL128Init(void);
19. voidSetTime(pMY_TIME_mytime);
20. voidGetTime(pMY_TIME_mytime);
21. voidAuto_Time_Set(void);
22. #endif//_ISL1208_H_

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1. //ISL128.C
2. #include"isl1208.h"
3. #include"i2c_ee.h"
5. constu8*COMPILED_DATE=__DATE__;//获得编译日期
6. constu8*COMPILED_TIME=__TIME__;//获得编译时间
7. constu8Month_Tab[12][3]={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"};
8. u8consttable_week[12]={0,3,3,6,1,4,6,2,5,0,3,5};//月修正数据表
10. MY_TIMEsMyTime={0x13,0x04,0x13,0x14,0x10,0x05,0x03};
11. staticintIntToBCD(inti);//十进制转BCD
12. staticintBCDToInt(intbcd);//BCD转十进制
13. staticu8RTC_Get_Week(u16year,u8month,u8day);
15. intIntToBCD(inti)//十进制转BCD
16. {
17. return(((i/10)<4)+((i%10)&0x0f));
18. }
20. intBCDToInt(intbcd)//BCD转十进制
21. {
22. return(0xff&(bcd>>4))*10+(0xf&bcd);
23. }
25. //比较两个字符串指定长度的内容是否相等
26. //参数:s1,s2要比较的两个字符串;len,比较长度
27. //返回值:1,相等;0,不相等
28. u8my_strcmp(u8*s1,u8*s2,u8len)
29. {
30. u8i;
31. for(i=0;i
32. return1;
33. }
35. voidISL128Init()
36. {
37. u8SR_REG_DATA=0x91;
38. u8INT_REG_DATA=0xca;
39. EEPROM_ADDRESS=ISL1208_ADDRESS;
40. I2C_EE_ByteWrite(&SR_REG_DATA,0x07);
41. I2C_EE_ByteWrite(&INT_REG_DATA,0x08);
42. }
43. voidSetTime(pMY_TIME_mytime)
44. {
45. EEPROM_ADDRESS=ISL1208_ADDRESS;
46. I2C_EE_ByteWrite(&_mytime->_sec,0x00);
47. I2C_EE_ByteWrite(&_mytime->_min,0x01);
48. I2C_EE_ByteWrite(&_mytime->_hour,0x02);
49. I2C_EE_ByteWrite(&_mytime->_day,0x03);
50. I2C_EE_ByteWrite(&_mytime->_month,0x04);
51. I2C_EE_ByteWrite(&_mytime->_year,0x05);
52. I2C_EE_ByteWrite(&_mytime->_week,0x06);
53. }
54. voidGetTime(pMY_TIME_mytime)
55. {
56. EEPROM_ADDRESS=ISL1208_ADDRESS;
57. I2C_EE_BufferRead(&_mytime->_sec,0x00,1);
58. I2C_EE_BufferRead(&_mytime->_min,0x01,1);
59. I2C_EE_BufferRead(&_mytime->_hour,0x02,1);
60. I2C_EE_BufferRead(&_mytime->_day,0x03,1);
61. I2C_EE_BufferRead(&_mytime->_month,0x04,1);
62. I2C_EE_BufferRead(&_mytime->_year,0x05,1);
63. I2C_EE_BufferRead(&_mytime->_week,0x06,1);
65. _mytime->_sec=BCDToInt(_mytime->_sec);
66. _mytime->_min=BCDToInt(_mytime->_min);
67. _mytime->_hour=BCDToInt(_mytime->_hour);
68. _mytime->_day=BCDToInt(_mytime->_day);
69. _mytime->_month=BCDToInt(_mytime->_month);
70. _mytime->_year=BCDToInt(_mytime->_year);
71. _mytime->_week=BCDToInt(_mytime->_week);
72. }
74. voidAuto_Time_Set()
75. {
76. u8temp[3];
77. u8i;
78. u8mon,date,week;
79. u16year;
80. u8sec,min,hour;
81. for(i=0;i<3;i++)temp[i]=COMPILED_DATE[i];
82. for(i=0;i<12;i++)if(my_strcmp((u8*)Month_Tab[i],temp,3))break;
83. mon=i+1;//得到月份
84. if(COMPILED_DATE[4]==)date=COMPILED_DATE[5]-0;
85. elsedate=10*(COMPILED_DATE[4]-0)+COMPILED_DATE[5]-0;
86. year=10*(COMPILED_DATE[9]-0)+COMPILED_DATE[10]-0;
87. hour=10*(COMPILED_TIME[0]-0)+COMPILED_TIME[1]-0;
88. min=10*(COMPILED_TIME[3]-0)+COMPILED_TIME[4]-0;
89. sec=10*(COMPILED_TIME[6]-0)+COMPILED_TIME[7]-0;
90. week=RTC_Get_Week(year+2000,mon,date);
91. sMyTime._day=IntToBCD(date);
92. sMyTime._hour=IntToBCD(hour);
93. sMyTime._min=IntToBCD(min);
94. sMyTime._month=IntToBCD(mon);
95. sMyTime._sec=IntToBCD(sec);
96. sMyTime._year=IntToBCD(year);
97. sMyTime._week=IntToBCD(week);
99. SetTime(&sMyTime);
100. }
103. u8RTC_Get_Week(u16year,u8month,u8day)
104. {
105. u16temp2;
106. u8yearH,yearL;
108. yearH=year/100;yearL=year%100;
109. //如果为21世纪,年份数加100
110. if(yearH>19)yearL+=100;
111. //所过闰年数只算1900年之后的
112. temp2=yearL+yearL/4;
113. temp2=temp2%7;
114. temp2=temp2+day+table_week[month-1];
115. if(yearL%4==0&&month<3)temp2--;
116. return(temp2%7);
117. }