pp
Dependencies: mbed
DS1307.cpp@5:60262753a05f, 2015-12-09 (annotated)
- Committer:
- Peeraya
- Date:
- Wed Dec 09 02:09:36 2015 +0000
- Revision:
- 5:60262753a05f
- Parent:
- 1:ba7154d2d7ca
Super Cute Alarm Clock
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Peeraya | 0:b2064b3558b6 | 1 | #include "mbed.h" |
Peeraya | 0:b2064b3558b6 | 2 | #include "DS1307.h" |
Peeraya | 0:b2064b3558b6 | 3 | |
NamSom | 1:ba7154d2d7ca | 4 | |
Peeraya | 0:b2064b3558b6 | 5 | DS1307::DS1307(PinName sda,PinName scl):rtc(sda,scl){} |
Peeraya | 0:b2064b3558b6 | 6 | void DS1307::settime(int sec,int min,int hour,int day,int date,int month,int year) |
Peeraya | 0:b2064b3558b6 | 7 | { |
Peeraya | 0:b2064b3558b6 | 8 | char data[7][2] = { {0x00, dectobcd(sec)}, |
Peeraya | 0:b2064b3558b6 | 9 | {0x01, dectobcd(min)}, |
Peeraya | 0:b2064b3558b6 | 10 | {0x02, dectobcd(hour)}, |
Peeraya | 0:b2064b3558b6 | 11 | {0x03, dectobcd(day)}, |
Peeraya | 0:b2064b3558b6 | 12 | {0x04, dectobcd(date)}, |
Peeraya | 0:b2064b3558b6 | 13 | {0x05, dectobcd(month)}, |
Peeraya | 0:b2064b3558b6 | 14 | {0x06, dectobcd(year)} }; |
Peeraya | 0:b2064b3558b6 | 15 | int i; |
Peeraya | 0:b2064b3558b6 | 16 | for(i=0;i<7;i++) |
Peeraya | 0:b2064b3558b6 | 17 | { |
Peeraya | 0:b2064b3558b6 | 18 | rtc.write(DS1307_ADDRESS, data[i], 2); |
Peeraya | 0:b2064b3558b6 | 19 | } |
Peeraya | 0:b2064b3558b6 | 20 | } |
Peeraya | 0:b2064b3558b6 | 21 | void DS1307::gettime(int *sec,int *min,int *hour,int *day,int *date,int *month,int *year) |
Peeraya | 0:b2064b3558b6 | 22 | { |
Peeraya | 0:b2064b3558b6 | 23 | char j = 0; |
Peeraya | 0:b2064b3558b6 | 24 | char data[7]; |
Peeraya | 0:b2064b3558b6 | 25 | int i; |
Peeraya | 0:b2064b3558b6 | 26 | for(i=0;i<7;i++) |
Peeraya | 0:b2064b3558b6 | 27 | { |
Peeraya | 0:b2064b3558b6 | 28 | rtc.write(DS1307_ADDRESS, &j, 1); |
Peeraya | 0:b2064b3558b6 | 29 | rtc.read(DS1307_ADDRESS, &data[i], 1); |
Peeraya | 0:b2064b3558b6 | 30 | j++; |
Peeraya | 0:b2064b3558b6 | 31 | } |
Peeraya | 0:b2064b3558b6 | 32 | *sec=bcdtodec(data[0]); |
Peeraya | 0:b2064b3558b6 | 33 | *min=bcdtodec(data[1]); |
Peeraya | 0:b2064b3558b6 | 34 | *hour=bcdtodec(data[2]); |
Peeraya | 0:b2064b3558b6 | 35 | *day=bcdtodec(data[3]); |
Peeraya | 0:b2064b3558b6 | 36 | *date=bcdtodec(data[4]); |
Peeraya | 0:b2064b3558b6 | 37 | *month=bcdtodec(data[5]); |
Peeraya | 0:b2064b3558b6 | 38 | *year=bcdtodec(data[6]); |
Peeraya | 0:b2064b3558b6 | 39 | } |
Peeraya | 0:b2064b3558b6 | 40 | int DS1307::bcdtodec(int num) |
Peeraya | 0:b2064b3558b6 | 41 | { |
Peeraya | 0:b2064b3558b6 | 42 | return 10*(num/16) + num % 16; |
Peeraya | 0:b2064b3558b6 | 43 | } |
Peeraya | 0:b2064b3558b6 | 44 | int DS1307::dectobcd(int num) |
Peeraya | 0:b2064b3558b6 | 45 | { |
Peeraya | 0:b2064b3558b6 | 46 | return 16*(num/10) + num % 10; |
Peeraya | 0:b2064b3558b6 | 47 | } |