Paul Clarke
/
TextLCD_HelloWorld
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Dependencies: TextLCD mbed TMP102
main.cpp@0:1e8d2aa42655, 2011-02-06 (annotated)
- Committer:
- monpjc
- Date:
- Sun Feb 06 17:37:24 2011 +0000
- Revision:
- 0:1e8d2aa42655
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| monpjc | 0:1e8d2aa42655 | 1 | // Hello World! for the TextLCD |
| monpjc | 0:1e8d2aa42655 | 2 | |
| monpjc | 0:1e8d2aa42655 | 3 | #include "mbed.h" |
| monpjc | 0:1e8d2aa42655 | 4 | #include "TextLCD.h" |
| monpjc | 0:1e8d2aa42655 | 5 | #include "TMP102.h" |
| monpjc | 0:1e8d2aa42655 | 6 | |
| monpjc | 0:1e8d2aa42655 | 7 | DigitalOut blue_led(LED1); |
| monpjc | 0:1e8d2aa42655 | 8 | DigitalOut speaker(p21); |
| monpjc | 0:1e8d2aa42655 | 9 | |
| monpjc | 0:1e8d2aa42655 | 10 | TMP102 temperature(p9, p10, 0x92); //A0 pin is connected to ground |
| monpjc | 0:1e8d2aa42655 | 11 | TextLCD lcd(p15, p16, p17, p18, p19, p20); // rs, e, d4-d7 |
| monpjc | 0:1e8d2aa42655 | 12 | |
| monpjc | 0:1e8d2aa42655 | 13 | int main() { |
| monpjc | 0:1e8d2aa42655 | 14 | |
| monpjc | 0:1e8d2aa42655 | 15 | char buffer[32]; |
| monpjc | 0:1e8d2aa42655 | 16 | time_t seconds = time(NULL); |
| monpjc | 0:1e8d2aa42655 | 17 | |
| monpjc | 0:1e8d2aa42655 | 18 | set_time(1256729737); |
| monpjc | 0:1e8d2aa42655 | 19 | printf("%s\n", buffer); |
| monpjc | 0:1e8d2aa42655 | 20 | lcd.cls(); |
| monpjc | 0:1e8d2aa42655 | 21 | for (int i = 0 ; i <= 100 ; i += 1 ) |
| monpjc | 0:1e8d2aa42655 | 22 | { |
| monpjc | 0:1e8d2aa42655 | 23 | speaker = !speaker; |
| monpjc | 0:1e8d2aa42655 | 24 | wait (0.001); // 5kHz, with 10 steps |
| monpjc | 0:1e8d2aa42655 | 25 | } |
| monpjc | 0:1e8d2aa42655 | 26 | for (int i = 0 ; i <= 50 ; i += 1 ) |
| monpjc | 0:1e8d2aa42655 | 27 | { |
| monpjc | 0:1e8d2aa42655 | 28 | speaker = !speaker; |
| monpjc | 0:1e8d2aa42655 | 29 | wait (0.002); // 5kHz, with 10 steps |
| monpjc | 0:1e8d2aa42655 | 30 | } |
| monpjc | 0:1e8d2aa42655 | 31 | |
| monpjc | 0:1e8d2aa42655 | 32 | |
| monpjc | 0:1e8d2aa42655 | 33 | while(1) |
| monpjc | 0:1e8d2aa42655 | 34 | { |
| monpjc | 0:1e8d2aa42655 | 35 | lcd.cls(); |
| monpjc | 0:1e8d2aa42655 | 36 | seconds = time(NULL); |
| monpjc | 0:1e8d2aa42655 | 37 | strftime(buffer, 32, "%X", localtime(&seconds)); |
| monpjc | 0:1e8d2aa42655 | 38 | lcd.printf("%s\n", buffer); |
| monpjc | 0:1e8d2aa42655 | 39 | //printf("%s\n", buffer); |
| monpjc | 0:1e8d2aa42655 | 40 | lcd.printf("Temp: %f\n", temperature.read()); |
| monpjc | 0:1e8d2aa42655 | 41 | blue_led = 1; |
| monpjc | 0:1e8d2aa42655 | 42 | wait(0.5); |
| monpjc | 0:1e8d2aa42655 | 43 | blue_led = 0; |
| monpjc | 0:1e8d2aa42655 | 44 | wait(0.5); |
| monpjc | 0:1e8d2aa42655 | 45 | } |
| monpjc | 0:1e8d2aa42655 | 46 | |
| monpjc | 0:1e8d2aa42655 | 47 | //while (1) |
| monpjc | 0:1e8d2aa42655 | 48 | //{ |
| monpjc | 0:1e8d2aa42655 | 49 | // speaker = !speaker; |
| monpjc | 0:1e8d2aa42655 | 50 | // wait (0.001); // 5kHz |
| monpjc | 0:1e8d2aa42655 | 51 | //} |
| monpjc | 0:1e8d2aa42655 | 52 | |
| monpjc | 0:1e8d2aa42655 | 53 | |
| monpjc | 0:1e8d2aa42655 | 54 | } |