![](/media/cache/profiles/marcelo.png.50x50_q85.png)
Configurable countdown timer
Dependencies: mbed PinDetect TextLCD
main.cpp
- Committer:
- MarceloSalazar
- Date:
- 2020-05-24
- Revision:
- 1:0ed57c2fd528
- Parent:
- 0:95d8c08cb5d4
- Child:
- 2:ecbc6a14824c
File content as of revision 1:0ed57c2fd528:
#include "mbed.h" #include "TextLCD.h" DigitalOut myled(LED1); //TextLCD(PinName rs, PinName e, PinName d4, PinName d5, PinName d6, PinName d7, LCDType type = LCD16x2); // Note: VCC=5V, V0=0V, via 330 resistor) TextLCD lcd(p15, p16, p17, p18, p19, p20); DigitalOut VO(p21); // pin put low DigitalOut RW(p22); // pin put low int i = 0; void count() { lcd.locate (0,1); lcd.printf("%d",i); i++; } int main () { VO = 0; RW = 0; // Clean screen lcd.cls(); lcd.printf("Hello World!"); while(1) { myled = 1; wait(0.5); myled = 0; wait(0.5); count(); } }