Test code for the LCD display, should output sample date and time.
Fork of TextLCD_HelloWorld2 by
updateDisplay.cpp@9:2bc040a7e842, 2017-05-25 (annotated)
- Committer:
- JHutchinson
- Date:
- Thu May 25 10:04:11 2017 +0000
- Revision:
- 9:2bc040a7e842
- Parent:
- 8:5a3ea713ec88
- Child:
- 10:72aef0816fc1
Full code for testing the LCD display.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
JHutchinson | 8:5a3ea713ec88 | 1 | |
JHutchinson | 8:5a3ea713ec88 | 2 | #include "mbed.h" |
JHutchinson | 8:5a3ea713ec88 | 3 | #include "TextLCD.h" |
JHutchinson | 8:5a3ea713ec88 | 4 | |
JHutchinson | 8:5a3ea713ec88 | 5 | // Host PC Communication channels |
JHutchinson | 9:2bc040a7e842 | 6 | |
JHutchinson | 8:5a3ea713ec88 | 7 | Serial pc(USBTX, USBRX); // tx, rx |
JHutchinson | 8:5a3ea713ec88 | 8 | |
JHutchinson | 9:2bc040a7e842 | 9 | // LCD instantiation |
JHutchinson | 8:5a3ea713ec88 | 10 | |
JHutchinson | 9:2bc040a7e842 | 11 | TextLCD lcd(PTC7, PTC0, PTC3, PTC4, PTC5, PTC6); // 4bit bus: rs, e, d4-d7 |
JHutchinson | 9:2bc040a7e842 | 12 | |
JHutchinson | 9:2bc040a7e842 | 13 | int main() { |
JHutchinson | 9:2bc040a7e842 | 14 | |
JHutchinson | 9:2bc040a7e842 | 15 | // Initialise sample date and time |
JHutchinson | 8:5a3ea713ec88 | 16 | |
JHutchinson | 9:2bc040a7e842 | 17 | int time = 1234; |
JHutchinson | 9:2bc040a7e842 | 18 | int date = 220517; |
JHutchinson | 8:5a3ea713ec88 | 19 | |
JHutchinson | 8:5a3ea713ec88 | 20 | // Adjust format of time to reflect hours and minutes |
JHutchinson | 9:2bc040a7e842 | 21 | |
JHutchinson | 9:2bc040a7e842 | 22 | int hours = time/100; |
JHutchinson | 9:2bc040a7e842 | 23 | int minutes = time - hours*100; |
JHutchinson | 8:5a3ea713ec88 | 24 | |
JHutchinson | 8:5a3ea713ec88 | 25 | // Adjust format of date to reflect days and minutes |
JHutchinson | 9:2bc040a7e842 | 26 | |
JHutchinson | 9:2bc040a7e842 | 27 | int day = date/10000; |
JHutchinson | 9:2bc040a7e842 | 28 | int month = (date - day*10000)/100; |
JHutchinson | 9:2bc040a7e842 | 29 | int year = date - month*100 - day*10000; |
JHutchinson | 8:5a3ea713ec88 | 30 | |
JHutchinson | 8:5a3ea713ec88 | 31 | // Print correctly spaced values on the display |
JHutchinson | 8:5a3ea713ec88 | 32 | |
JHutchinson | 8:5a3ea713ec88 | 33 | lcd.printf("Time %d:%d", hours, minutes); |
JHutchinson | 8:5a3ea713ec88 | 34 | |
JHutchinson | 9:2bc040a7e842 | 35 | // Locate cursor to start of second line |
JHutchinson | 8:5a3ea713ec88 | 36 | |
JHutchinson | 8:5a3ea713ec88 | 37 | lcd.setAddress(0, 1); |
JHutchinson | 8:5a3ea713ec88 | 38 | |
JHutchinson | 8:5a3ea713ec88 | 39 | lcd.printf("Date %d/%d/%d", day, month, year); |
JHutchinson | 8:5a3ea713ec88 | 40 | |
JHutchinson | 9:2bc040a7e842 | 41 | } |
JHutchinson | 8:5a3ea713ec88 | 42 |