1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
|
/*
Copyright (C) Dean Camera, 2010.
dean [at] fourwalledcubicle [dot] com
www.fourwalledcubicle.com
*/
#include "DS1307.h"
void DS1307_SetDate(uint8_t Day, uint8_t Month, uint8_t Year)
{
#if defined(DUMMY_RTC)
return;
#endif
DS1307_DateRegs_t CurrentRTCDate;
CurrentRTCDate.Byte1.TenDay = (Day / 10);
CurrentRTCDate.Byte1.Day = (Day % 10);
CurrentRTCDate.Byte2.TenMonth = (Month / 10);
CurrentRTCDate.Byte2.Month = (Month % 10);
CurrentRTCDate.Byte3.TenYear = (Year / 10);
CurrentRTCDate.Byte3.Year = (Year % 10);
if (TWI_StartTransmission(DS1307_ADDRESS_WRITE, 10))
{
TWI_SendByte(DS1307_DATEREG_START);
TWI_SendByte(CurrentRTCDate.Byte1.IntVal);
TWI_SendByte(CurrentRTCDate.Byte2.IntVal);
TWI_SendByte(CurrentRTCDate.Byte3.IntVal);
TWI_StopTransmission();
}
}
void DS1307_SetTime(uint8_t Hour, uint8_t Minute, uint8_t Second)
{
#if defined(DUMMY_RTC)
return;
#endif
DS1307_TimeRegs_t CurrentRTCTime;
CurrentRTCTime.Byte1.TenSec = (Second / 10);
CurrentRTCTime.Byte1.Sec = (Second % 10);
CurrentRTCTime.Byte1.CH = false;
CurrentRTCTime.Byte2.TenMin = (Minute / 10);
CurrentRTCTime.Byte2.Min = (Minute % 10);
CurrentRTCTime.Byte3.TenHour = (Hour / 10);
CurrentRTCTime.Byte3.Hour = (Hour % 10);
CurrentRTCTime.Byte3.TwelveHourMode = false;
if (TWI_StartTransmission(DS1307_ADDRESS_WRITE, 10))
{
TWI_SendByte(DS1307_TIMEREG_START);
TWI_SendByte(CurrentRTCTime.Byte1.IntVal);
TWI_SendByte(CurrentRTCTime.Byte2.IntVal);
TWI_SendByte(CurrentRTCTime.Byte3.IntVal);
TWI_StopTransmission();
}
}
void DS1307_GetDate(uint8_t* Day, uint8_t* Month, uint8_t* Year)
{
#if defined(DUMMY_RTC)
*Day = 1;
*Month = 1;
*Year = 1;
return;
#endif
if (TWI_StartTransmission(DS1307_ADDRESS_WRITE, 10))
{
TWI_SendByte(DS1307_DATEREG_START);
TWI_StopTransmission();
}
DS1307_DateRegs_t CurrentRTCDate;
if (TWI_StartTransmission(DS1307_ADDRESS_READ, 10))
{
TWI_ReceiveByte(&CurrentRTCDate.Byte1.IntVal, false);
TWI_ReceiveByte(&CurrentRTCDate.Byte2.IntVal, false);
TWI_ReceiveByte(&CurrentRTCDate.Byte3.IntVal, true);
TWI_StopTransmission();
}
*Day = (CurrentRTCDate.Byte1.TenDay * 10) + CurrentRTCDate.Byte1.Day;
*Month = (CurrentRTCDate.Byte2.TenMonth * 10) + CurrentRTCDate.Byte2.Month;
*Year = (CurrentRTCDate.Byte3.TenYear * 10) + CurrentRTCDate.Byte3.Year;
}
void DS1307_GetTime(uint8_t* Hour, uint8_t* Minute, uint8_t* Second)
{
#if defined(DUMMY_RTC)
*Hour = 1;
*Minute = 1;
*Second = 1;
return;
#endif
if (TWI_StartTransmission(DS1307_ADDRESS_WRITE, 10))
{
TWI_SendByte(DS1307_TIMEREG_START);
TWI_StopTransmission();
}
DS1307_TimeRegs_t CurrentRTCTime;
if (TWI_StartTransmission(DS1307_ADDRESS_READ, 10))
{
TWI_ReceiveByte(&CurrentRTCTime.Byte1.IntVal, false);
TWI_ReceiveByte(&CurrentRTCTime.Byte2.IntVal, false);
TWI_ReceiveByte(&CurrentRTCTime.Byte3.IntVal, true);
TWI_StopTransmission();
}
*Second = (CurrentRTCTime.Byte1.TenSec * 10) + CurrentRTCTime.Byte1.Sec;
*Minute = (CurrentRTCTime.Byte2.TenMin * 10) + CurrentRTCTime.Byte2.Min;
*Hour = (CurrentRTCTime.Byte3.TenHour * 10) + CurrentRTCTime.Byte3.Hour;
}
|
