diff options
Diffstat (limited to 'inc/int/dcf77.h')
-rwxr-xr-x | inc/int/dcf77.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/inc/int/dcf77.h b/inc/int/dcf77.h new file mode 100755 index 0000000..e47ca4e --- /dev/null +++ b/inc/int/dcf77.h | |||
@@ -0,0 +1,69 @@ | |||
1 | #ifndef CLOCK_H | ||
2 | #define CLOCK_H | ||
3 | /* this dcf77-module relies on a accuarate clock (crystal) for receiving | ||
4 | * the dcf-signal. therefor the clock is going to work as expected, | ||
5 | * even with no dcf77-signal available. | ||
6 | * receivement is automatically turned on, if the avr is connected to the | ||
7 | * signal via INT0. if there is no signal the clock will not be set (K.I.S.S.) | ||
8 | * | ||
9 | */ | ||
10 | #include <avr/io.h> | ||
11 | #include <avr/interrupt.h> | ||
12 | |||
13 | #include <stdint.h> | ||
14 | |||
15 | #define INT0_CONTROL MCUCR | ||
16 | // #define INT0_FALLING_EDGE 0x02 | ||
17 | // #define INT0_RISING_EDGE 0x03 | ||
18 | #define INT0_FALLING_EDGE (1<<ISC01) | ||
19 | #define INT0_RISING_EDGE (1<<ISC01 | 1<<ISC00) | ||
20 | #define INT0_EDGE_ANY (1<<ISC00) | ||
21 | |||
22 | typedef struct | ||
23 | { | ||
24 | volatile unsigned char bit : 1; | ||
25 | } Bit; | ||
26 | |||
27 | typedef struct | ||
28 | { | ||
29 | uint16_t h ; // hour | ||
30 | uint16_t m ; // minute | ||
31 | uint16_t s ; // second | ||
32 | uint16_t ms; // milli second | ||
33 | uint8_t yy; // year | ||
34 | uint8_t mm; // month | ||
35 | uint8_t dd; // day | ||
36 | uint8_t wd; // weekday | ||
37 | } Time; | ||
38 | |||
39 | typedef enum | ||
40 | { | ||
41 | DCF_FIRST = 0, // start of a new minute (note: always 0) | ||
42 | DCF_WEATHER = 14, // proprietary :-( | ||
43 | DCF_ANTENNA = 15, // 0: normal, 1: replacement | ||
44 | DCF_DST = 16, // daylight saving time: this hour new time... | ||
45 | DCF_MEZ = 17, // 'summer-time' | ||
46 | DCF_MESZ = 18, // 'winter-time' | ||
47 | DCF_DBLSEC = 19, // one extra second gonna be inserted | ||
48 | DCF_START = 20, // begin of time-info (note: always 1) | ||
49 | DCF_MIN = 21, // 7 bit | ||
50 | DCF_MINP = 28, // parity bit for minutes | ||
51 | DCF_HOUR = 29, // 6 bit | ||
52 | DCF_HOURP = 35, // parity bit for hours | ||
53 | DCF_DAY = 36, // 6 bit | ||
54 | DCF_WEEKDAY = 42, // 3 bit | ||
55 | DCF_MONTH = 45, // 5 bit | ||
56 | DCF_YEAR = 50, // 8 bit | ||
57 | DCF_DATEP = 58 // parity bit for date | ||
58 | } DCF; | ||
59 | |||
60 | volatile Bit dcf77[60]; | ||
61 | volatile uint8_t dcf77_bit; | ||
62 | volatile Time t_current; | ||
63 | volatile uint16_t interval; | ||
64 | |||
65 | /// void getBits(volatile unsigned char* target, const DCF start, const char len, const DCF parity); | ||
66 | /// void set_dcf_value(); | ||
67 | /// void interrupts_init(); | ||
68 | |||
69 | #endif | ||