Thomas Deixelbeger
.
Fork of
rtc_func
by 
HIMBED_3AHELI
RTC8563.cpp@4:357c5386a78c, 2015-04-22 (annotated)
- Committer:
- Deixi
- Date:
- Wed Apr 22 19:31:07 2015 +0000
- Revision:
- 4:357c5386a78c
- Parent:
- 3:f75062350241
..; ;
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| bulmecisco | 3:f75062350241 | 1 | // |
| bulmecisco | 3:f75062350241 | 2 | // @ Project : RTC Date Time Clock |
| bulmecisco | 3:f75062350241 | 3 | // @ File Name : RTC8563.cpp |
| bulmecisco | 3:f75062350241 | 4 | // @ Date : 06.04.2015 |
| bulmecisco | 3:f75062350241 | 5 | // @ Author : Franz Pucher |
| bulmecisco | 3:f75062350241 | 6 | // @ Copyright : pe@bulme.at |
| bulmecisco | 3:f75062350241 | 7 | // |
| bulmecisco | 3:f75062350241 | 8 | |
| bulmecisco | 3:f75062350241 | 9 | #include "mbed.h" |
| bulmecisco | 3:f75062350241 | 10 | #include "const.h" |
| bulmecisco | 3:f75062350241 | 11 | |
| bulmecisco | 3:f75062350241 | 12 | #include "RTC8563.h" |
| bulmecisco | 3:f75062350241 | 13 | |
| bulmecisco | 3:f75062350241 | 14 | RTC8563::RTC8563() : i2c(p28, p27) // delete void and add call to base constructor |
| bulmecisco | 3:f75062350241 | 15 | { |
| bulmecisco | 3:f75062350241 | 16 | // Initialise I2C |
| bulmecisco | 3:f75062350241 | 17 | i2c.frequency(40000); |
| bulmecisco | 3:f75062350241 | 18 | char init1[2] = {0x6, 0x00}; |
| bulmecisco | 3:f75062350241 | 19 | char init2[2] = {0x7, 0xff}; |
| bulmecisco | 3:f75062350241 | 20 | i2c.write(0x40, init1, 2); |
| bulmecisco | 3:f75062350241 | 21 | i2c.write(0x40, init2, 2); |
| bulmecisco | 3:f75062350241 | 22 | } |
| bulmecisco | 3:f75062350241 | 23 | |
| bulmecisco | 3:f75062350241 | 24 | RTC8563::RTC8563(PinName sda, PinName scl) : i2c(sda, scl) |
| bulmecisco | 3:f75062350241 | 25 | { |
| bulmecisco | 3:f75062350241 | 26 | // Initialise I2C |
| bulmecisco | 3:f75062350241 | 27 | i2c.frequency(40000); |
| bulmecisco | 3:f75062350241 | 28 | char init1[2] = {0x6, 0x00}; |
| bulmecisco | 3:f75062350241 | 29 | char init2[2] = {0x7, 0xff}; |
| bulmecisco | 3:f75062350241 | 30 | i2c.write(0x40, init1, 2); |
| bulmecisco | 3:f75062350241 | 31 | i2c.write(0x40, init2, 2); |
| bulmecisco | 3:f75062350241 | 32 | } |
| bulmecisco | 3:f75062350241 | 33 | |
| bulmecisco | 3:f75062350241 | 34 | char RTC8563::rtc_read(char address) |
| bulmecisco | 3:f75062350241 | 35 | { |
| bulmecisco | 3:f75062350241 | 36 | char value; |
| bulmecisco | 3:f75062350241 | 37 | i2c.start(); |
| bulmecisco | 3:f75062350241 | 38 | i2c.write(RTC8563_ADR); |
| bulmecisco | 3:f75062350241 | 39 | i2c.write(address); |
| bulmecisco | 3:f75062350241 | 40 | i2c.start(); |
| bulmecisco | 3:f75062350241 | 41 | i2c.write(RTC8563_ADR | _READ); |
| bulmecisco | 3:f75062350241 | 42 | value = i2c.read(0); |
| bulmecisco | 3:f75062350241 | 43 | i2c.stop(); |
| bulmecisco | 3:f75062350241 | 44 | |
| bulmecisco | 3:f75062350241 | 45 | return value; |
| bulmecisco | 3:f75062350241 | 46 | } |
| bulmecisco | 3:f75062350241 | 47 | |
| bulmecisco | 3:f75062350241 | 48 | void RTC8563::rtc_write(char address, char value) |
| bulmecisco | 3:f75062350241 | 49 | { |
| bulmecisco | 3:f75062350241 | 50 | i2c.start(); |
| bulmecisco | 3:f75062350241 | 51 | i2c.write(RTC8563_ADR); |
| bulmecisco | 3:f75062350241 | 52 | i2c.write(address); |
| bulmecisco | 3:f75062350241 | 53 | i2c.write(value); |
| bulmecisco | 3:f75062350241 | 54 | i2c.stop(); |
| bulmecisco | 3:f75062350241 | 55 | } |
| bulmecisco | 3:f75062350241 | 56 | |
| bulmecisco | 3:f75062350241 | 57 | void RTC8563::rtc_init() |
| bulmecisco | 3:f75062350241 | 58 | { |
| bulmecisco | 3:f75062350241 | 59 | } |
| bulmecisco | 3:f75062350241 | 60 | |
| bulmecisco | 3:f75062350241 | 61 | void RTC8563::rtc_alarm() |
| bulmecisco | 3:f75062350241 | 62 | { |
| bulmecisco | 3:f75062350241 | 63 | } |