Daniel Bromand
/
ControlLED_Brightness
Control LED brightness using PmwOut command.
main.cpp@0:a79722dcd2a0, 2011-06-26 (annotated)
- Committer:
- bromand
- Date:
- Sun Jun 26 23:20:35 2011 +0000
- Revision:
- 0:a79722dcd2a0
First revision
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
bromand | 0:a79722dcd2a0 | 1 | //Include mbed header file which contains the definition of DigitalOut class. |
bromand | 0:a79722dcd2a0 | 2 | #include "mbed.h" |
bromand | 0:a79722dcd2a0 | 3 | //Include TextLCD header file which contains the definition of TextLCD class. |
bromand | 0:a79722dcd2a0 | 4 | #include "TextLCD.h" |
bromand | 0:a79722dcd2a0 | 5 | |
bromand | 0:a79722dcd2a0 | 6 | //Initialize PwmOut memebers |
bromand | 0:a79722dcd2a0 | 7 | PwmOut led1(LED1); |
bromand | 0:a79722dcd2a0 | 8 | PwmOut led4(LED4); |
bromand | 0:a79722dcd2a0 | 9 | //Initialize TextLCD with the correct pins |
bromand | 0:a79722dcd2a0 | 10 | TextLCD lcd(p24, p26, p27, p28, p29, p30); |
bromand | 0:a79722dcd2a0 | 11 | |
bromand | 0:a79722dcd2a0 | 12 | //This function will handle the print to LCD |
bromand | 0:a79722dcd2a0 | 13 | void PrintToLCD() |
bromand | 0:a79722dcd2a0 | 14 | { |
bromand | 0:a79722dcd2a0 | 15 | //Clear the LCD display |
bromand | 0:a79722dcd2a0 | 16 | lcd.cls(); |
bromand | 0:a79722dcd2a0 | 17 | //Locate Row 0 Column 0 in the LCD display |
bromand | 0:a79722dcd2a0 | 18 | lcd.locate(0, 0); |
bromand | 0:a79722dcd2a0 | 19 | //Print my name |
bromand | 0:a79722dcd2a0 | 20 | lcd.printf("DANIEL BROMAND"); |
bromand | 0:a79722dcd2a0 | 21 | //Locate Row 1 Column 0 in the LCD display |
bromand | 0:a79722dcd2a0 | 22 | lcd.locate(0, 1); |
bromand | 0:a79722dcd2a0 | 23 | //Print my name |
bromand | 0:a79722dcd2a0 | 24 | lcd.printf("PwmOut Command"); |
bromand | 0:a79722dcd2a0 | 25 | } |
bromand | 0:a79722dcd2a0 | 26 | |
bromand | 0:a79722dcd2a0 | 27 | //Main function |
bromand | 0:a79722dcd2a0 | 28 | int main() |
bromand | 0:a79722dcd2a0 | 29 | { |
bromand | 0:a79722dcd2a0 | 30 | //Call PrintToLCD Command |
bromand | 0:a79722dcd2a0 | 31 | PrintToLCD(); |
bromand | 0:a79722dcd2a0 | 32 | //Loop forever |
bromand | 0:a79722dcd2a0 | 33 | while(true) |
bromand | 0:a79722dcd2a0 | 34 | { |
bromand | 0:a79722dcd2a0 | 35 | //Loop from 0.0 to 1.0 and in each step increment by 0.1. |
bromand | 0:a79722dcd2a0 | 36 | for(float f=0.0f ; f<=1.0f ; f+=0.1f) |
bromand | 0:a79722dcd2a0 | 37 | { |
bromand | 0:a79722dcd2a0 | 38 | //Set led1 to f |
bromand | 0:a79722dcd2a0 | 39 | led1 = f; |
bromand | 0:a79722dcd2a0 | 40 | //Set led 4 to 1-f. |
bromand | 0:a79722dcd2a0 | 41 | led4 = 1.0f-f; |
bromand | 0:a79722dcd2a0 | 42 | wait(0.1); |
bromand | 0:a79722dcd2a0 | 43 | }//End of for loop |
bromand | 0:a79722dcd2a0 | 44 | for(float f=0.0f ; f<=1.0f ; f+=0.1f) |
bromand | 0:a79722dcd2a0 | 45 | { |
bromand | 0:a79722dcd2a0 | 46 | //Set led4 to f |
bromand | 0:a79722dcd2a0 | 47 | led4 = f; |
bromand | 0:a79722dcd2a0 | 48 | //Set led1 to 1-f |
bromand | 0:a79722dcd2a0 | 49 | led1 = 1.0f-f; |
bromand | 0:a79722dcd2a0 | 50 | wait(0.1); |
bromand | 0:a79722dcd2a0 | 51 | }//End of for loop |
bromand | 0:a79722dcd2a0 | 52 | }//End of while loop |
bromand | 0:a79722dcd2a0 | 53 | }//End of Main function |