Lei Lei / Mbed 2 deprecated AUP_Lab4_LCD

AUP_Lab4_LCD

Dependencies:   C12832 mbed

Fork of AUP_Lab2_PWM_UART by Lei Lei

main.cpp@1:08431d9e3d95, 2015-07-07 (annotated)

Committer:
BrentLei
Date:
Tue Jul 07 23:27:48 2015 +0000
Revision:
1:08431d9e3d95
Parent:
0:65e58765adf7
Child:
2:eac7cbeb9da0
AUP_Lab4_LCD

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gyth 0:65e58765adf7 1 #include "mbed.h"
BrentLei 1:08431d9e3d95 2 #include "C12832.h"
gyth 0:65e58765adf7 3
gyth 0:65e58765adf7 4 PwmOut led(D5);
gyth 0:65e58765adf7 5 DigitalIn button_up(A2);
gyth 0:65e58765adf7 6 DigitalIn button_center(D4);
gyth 0:65e58765adf7 7 DigitalIn button_down(A3);
BrentLei 1:08431d9e3d95 8 C12832 lcd(D11, D13, D12, D7, D10);
gyth 0:65e58765adf7 9
gyth 0:65e58765adf7 10 double brightness = 1.0;
gyth 0:65e58765adf7 11 double brightness_inc = 0.1;
gyth 0:65e58765adf7 12
gyth 0:65e58765adf7 13 int main()
gyth 0:65e58765adf7 14 {
gyth 0:65e58765adf7 15 int bt_flag = 0;
BrentLei 1:08431d9e3d95 16 lcd.cls();
BrentLei 1:08431d9e3d95 17 lcd.locate(0,0);
BrentLei 1:08431d9e3d95 18 lcd.printf("Hello PWM!\r\n");
gyth 0:65e58765adf7 19 // Set PWM
gyth 0:65e58765adf7 20 led.write(brightness);
gyth 0:65e58765adf7 21
gyth 0:65e58765adf7 22 while (1) {
gyth 0:65e58765adf7 23 bt_flag = 1;
gyth 0:65e58765adf7 24 if(button_up==1)
gyth 0:65e58765adf7 25 brightness -= brightness_inc;
gyth 0:65e58765adf7 26 else if(button_down==1)
gyth 0:65e58765adf7 27 brightness += brightness_inc;
gyth 0:65e58765adf7 28 else if(button_center==1)
gyth 0:65e58765adf7 29 brightness = (brightness>0.5)?1.0:0.0;
gyth 0:65e58765adf7 30 else
gyth 0:65e58765adf7 31 bt_flag = 0;
gyth 0:65e58765adf7 32 if(bt_flag==1)
gyth 0:65e58765adf7 33 {
gyth 0:65e58765adf7 34 brightness = (brightness>1.0)?0.0:brightness;
gyth 0:65e58765adf7 35 brightness = (brightness<0.0)?1.0:brightness;
gyth 0:65e58765adf7 36 led.write(brightness);
BrentLei 1:08431d9e3d95 37 lcd.locate(0,0);
BrentLei 1:08431d9e3d95 38 lcd.printf("Brightness = %.1f\r\n", 1.0-brightness);
gyth 0:65e58765adf7 39 }
gyth 0:65e58765adf7 40 wait(0.2); // 200 ms
gyth 0:65e58765adf7 41 }
gyth 0:65e58765adf7 42 }