NXP fan (in Japan)
TextLCD_clock using internal realtime clock function (to check VB functionality)
main.cpp@1:c782bfadd12d, 2010-07-02 (annotated)
- Committer:
- nxpfan
- Date:
- Fri Jul 02 07:35:05 2010 +0000
- Revision:
- 1:c782bfadd12d
- Parent:
- 0:94bb7dad733c
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| nxpfan | 0:94bb7dad733c | 1 | // This code based on |
| nxpfan | 0:94bb7dad733c | 2 | // http://mbed.org/users/okano/notebook/nxp_pcf2127a-demo-code/ |
| nxpfan | 0:94bb7dad733c | 3 | // http://mbed.org/users/roen/notebook/real-time/ |
| nxpfan | 0:94bb7dad733c | 4 | // |
| nxpfan | 0:94bb7dad733c | 5 | // 2010-07-02 @nxpfan |
| nxpfan | 0:94bb7dad733c | 6 | // Released under the MIT License: http://mbed.org/license/mit |
| nxpfan | 0:94bb7dad733c | 7 | |
| nxpfan | 0:94bb7dad733c | 8 | #include "mbed.h" |
| nxpfan | 0:94bb7dad733c | 9 | #include "TextLCD.h" |
| nxpfan | 0:94bb7dad733c | 10 | |
| nxpfan | 0:94bb7dad733c | 11 | TextLCD lcd(p24, p25, p26, p27, p28, p29, p30); // rs, rw, e, d0, d1, d2, d3 |
| nxpfan | 0:94bb7dad733c | 12 | Ticker updater; |
| nxpfan | 0:94bb7dad733c | 13 | |
| nxpfan | 0:94bb7dad733c | 14 | void lcd_update() |
| nxpfan | 0:94bb7dad733c | 15 | { |
| nxpfan | 0:94bb7dad733c | 16 | struct tm dt, *dtp; |
| nxpfan | 0:94bb7dad733c | 17 | time_t t; |
| nxpfan | 0:94bb7dad733c | 18 | char s[ 30 ]; |
| nxpfan | 0:94bb7dad733c | 19 | dtp = &dt; |
| nxpfan | 0:94bb7dad733c | 20 | |
| nxpfan | 0:94bb7dad733c | 21 | t = time( NULL ); |
| nxpfan | 0:94bb7dad733c | 22 | dtp = localtime( &t ); |
| nxpfan | 0:94bb7dad733c | 23 | |
| nxpfan | 0:94bb7dad733c | 24 | strftime( s, 20, "%H:%M:%S", dtp ); |
| nxpfan | 0:94bb7dad733c | 25 | lcd.locate( 0, 0 ); |
| nxpfan | 0:94bb7dad733c | 26 | lcd.printf( "%s", s ); |
| nxpfan | 0:94bb7dad733c | 27 | |
| nxpfan | 0:94bb7dad733c | 28 | strftime( s, 20, "%Y/%b/%d(%a)", dtp ); |
| nxpfan | 0:94bb7dad733c | 29 | lcd.locate( 0, 1 ); |
| nxpfan | 0:94bb7dad733c | 30 | lcd.printf( "%s", s ); |
| nxpfan | 0:94bb7dad733c | 31 | } |
| nxpfan | 0:94bb7dad733c | 32 | |
| nxpfan | 0:94bb7dad733c | 33 | int main() { |
| nxpfan | 0:94bb7dad733c | 34 | |
| nxpfan | 0:94bb7dad733c | 35 | // get the current time from the terminal |
| nxpfan | 0:94bb7dad733c | 36 | struct tm t; |
| nxpfan | 0:94bb7dad733c | 37 | |
| nxpfan | 1:c782bfadd12d | 38 | if ( 0 == time( NULL ) ) { // it should return ((time_t)-1) if it is not initialized but... |
| nxpfan | 0:94bb7dad733c | 39 | lcd.locate( 0, 0 ); |
| nxpfan | 0:94bb7dad733c | 40 | lcd.printf( "please set time from terminal" ); |
| nxpfan | 0:94bb7dad733c | 41 | |
| nxpfan | 0:94bb7dad733c | 42 | printf("Enter current date and time:\n"); |
| nxpfan | 0:94bb7dad733c | 43 | printf("YYYY MM DD HH MM SS[enter]\n"); |
| nxpfan | 0:94bb7dad733c | 44 | scanf("%d %d %d %d %d %d", &t.tm_year, &t.tm_mon, &t.tm_mday |
| nxpfan | 0:94bb7dad733c | 45 | , &t.tm_hour, &t.tm_min, &t.tm_sec); |
| nxpfan | 0:94bb7dad733c | 46 | |
| nxpfan | 0:94bb7dad733c | 47 | // adjust for tm structure required values |
| nxpfan | 0:94bb7dad733c | 48 | t.tm_year = t.tm_year - 1900; |
| nxpfan | 0:94bb7dad733c | 49 | t.tm_mon = t.tm_mon - 1; |
| nxpfan | 0:94bb7dad733c | 50 | |
| nxpfan | 0:94bb7dad733c | 51 | // set the time |
| nxpfan | 0:94bb7dad733c | 52 | set_time(mktime(&t)); |
| nxpfan | 0:94bb7dad733c | 53 | } |
| nxpfan | 0:94bb7dad733c | 54 | |
| nxpfan | 0:94bb7dad733c | 55 | updater.attach(&lcd_update, 1.0); |
| nxpfan | 0:94bb7dad733c | 56 | |
| nxpfan | 0:94bb7dad733c | 57 | while (1) |
| nxpfan | 0:94bb7dad733c | 58 | ; |
| nxpfan | 0:94bb7dad733c | 59 | } |