?? smartclock.lst
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C51 COMPILER V8.17 SMARTCLOCK 03/26/2009 14:31:59 PAGE 1
C51 COMPILER V8.17, COMPILATION OF MODULE SMARTCLOCK
OBJECT MODULE PLACED IN .\out-files\smaRTClock.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE smaRTC\smaRTClock.c LARGE BROWSE INCDIR(.\smaRTC;.\SMBus) DEBUG OBJECTEXTEN
-D PRINT(.\list-files\smaRTClock.lst) TABS(2) OBJECT(.\out-files\smaRTClock.obj)
line level source
1
2 #include "..\header files\includes.H"
3 #include "smaRTClock.h"
4
5 //-----------------------------------------------------------------------------
6 // Global Constants and Variables
7 //-----------------------------------------------------------------------------
8
9 #define SYSCLK 24500000 // SYSCLK frequency in Hz
10
11 #define BAUDRATE 115200 // Baud rate of UART in bps
12
13 #define RTCCLK 32768 // SmaRTClock frequency in Hz
14
15 #define RTC_DAY 2831155200 // Number of RTC counts in a day
16 #define RTC_HOUR 117964800 // Number of RTC counts in an hour
17 #define RTC_MINUTE 1966080 // Number of RTC counts in a minute
18 #define RTC_SECOND 32768 // Number of RTC counts in a second
19 #define RTC_HUNDRETH 328 // Number of RTC counts in a hundreth
20 // of a second (rounded up)
21
22 #define SUSPEND 0x40 // Value to write to PMU0CF to place
23 // the device in Suspend mode
24
25 #define SLEEP 0x80 // Value to write to PMU0CF to place
26 // the device in Sleep Mode
27
28 #define POWER_MODE SUSPEND // Select between Suspend and Sleep mode.
-
29
30 #define SWITCH_PRESSED 0 // Macros to determine switch state
31 #define SWITCH_NOT_PRESSED 1
32
33 #define FIVE_MS 5*(SYSCLK/12/1000) // 5 ms delay constant
34 #define US_DELAY (SYSCLK/12/1000)/10 // 500 us delay constant
35
36 // Used in debounce section of code
37 #define DEBOUNCE_INTERVAL 10 // Debounce interval in milliseconds
38 #define T3_DEBOUNCE_TICKS DEBOUNCE_INTERVAL*(SYSCLK/12/1000)
39
40
41
42
43 //-------------------------------------------------------------------------------
44
45
46
47 DATE_INFO event1; // This will keep the runnnig date information
48
49
50
51 void Init_DateINFO(void)
52 {
53 1 // Initialize DATE_INFO struct
C51 COMPILER V8.17 SMARTCLOCK 03/26/2009 14:31:59 PAGE 2
54 1 event1.seconds = SECOND_INIT;
55 1 event1.minutes = MINUTE_INIT;
56 1 event1.hours = HOUR_INIT;
57 1 event1.days = DAY_INIT;
58 1 event1.years = (2000+YEAR_INIT);
59 1
60 1 }
61
62 //-----------------------------------------------------------------------------
63 // Leap_Year
64 //-----------------------------------------------------------------------------
65 // Return Value : '1' if a leap year, '0' if not a leap year
66 // Parameters : U16 year - the current year in the counter
67 //-----------------------------------------------------------------------------
68
69 U8 Leap_Year (U16 year)
70 {
71 1 if ((((year%4)==0) && ((year%100)!=0)) || ((year%400)==0))
72 1 {
73 2 return 1;
74 2 }
75 1 else
76 1 {
77 2 return 0;
78 2 }
79 1 }
80
81 //-----------------------------------------------------------------------------
82 // Compute_Month
83 //-----------------------------------------------------------------------------
84 // Return Value : none
85 // Parameters : 1) U16* month - pointer to month number variable (1-12)
86 // 2) U16* days - pointer to number of days variable (1-31)
87 // 3) U16 total - total number of days to compute
88 // month and days from
89 // 4) U16 total - current year (in 20xx format)
90 //-----------------------------------------------------------------------------
91
92 void Compute_Month (U16* month, U16* days, U16 total, U16 year)
93 {
94 1 if (total < 32) // First month does not depend on
95 1 { // leap year
96 2 (*month) = 1; // January
97 2 (*days) = total;
98 2 }
99 1 else if (Leap_Year(year))
100 1 {
101 2 // Calculate month based on leap year
102 2 if (total < 61)
103 2 {
104 3 (*month) = 2; // February
105 3 (*days) = total-31;
106 3 }
107 2 else if (total < 92)
108 2 {
109 3 (*month) = 3; // March
110 3 (*days) = total-60;
111 3 }
112 2 else if (total < 122)
113 2 {
114 3 (*month) = 4; // April
115 3 (*days) = total - 91;
C51 COMPILER V8.17 SMARTCLOCK 03/26/2009 14:31:59 PAGE 3
116 3 }
117 2 else if (total < 153)
118 2 {
119 3 (*month) = 5; // May
120 3 (*days) = total - 121;
121 3 }
122 2 else if (total < 183)
123 2 {
124 3 (*month) = 6; // June
125 3 (*days) = total-152;
126 3 }
127 2 else if (total < 214)
128 2 {
129 3 (*month) = 7; // July
130 3 (*days) = total - 182;
131 3 }
132 2 else if (total < 245)
133 2 {
134 3 (*month) = 8; // August
135 3 (*days) = total - 213;
136 3 }
137 2 else if (total < 275)
138 2 {
139 3 (*month) = 9; // September
140 3 (*days) = total - 244;
141 3 }
142 2 else if (total < 306)
143 2 {
144 3 (*month) = 10; // October
145 3 (*days) = total-274;
146 3 }
147 2 else if (total < 336)
148 2 {
149 3 (*month) = 11; // November
150 3 (*days) = total - 305;
151 3 }
152 2 else
153 2 {
154 3 (*month) = 12; // December
155 3 (*days) = total - 335;
156 3 }
157 2
158 2 }
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