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@2:eac7cbeb9da0, 2015-07-08 (annotated)

Committer:
BrentLei
Date:
Wed Jul 08 00:04:40 2015 +0000
Revision:
2:eac7cbeb9da0
Parent:
1:08431d9e3d95 
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gyth 0:65e58765adf7 1 #include "mbed.h"
BrentLei 2:eac7cbeb9da0 2
BrentLei 2:eac7cbeb9da0 3 // 添加液晶屏类库
BrentLei 1:08431d9e3d95 4 #include "C12832.h"
gyth 0:65e58765adf7 5
gyth 0:65e58765adf7 6 PwmOut led(D5);
gyth 0:65e58765adf7 7 DigitalIn button_up(A2);
gyth 0:65e58765adf7 8 DigitalIn button_center(D4);
gyth 0:65e58765adf7 9 DigitalIn button_down(A3);
BrentLei 2:eac7cbeb9da0 10
BrentLei 2:eac7cbeb9da0 11 // 初始化液晶屏
BrentLei 1:08431d9e3d95 12 C12832 lcd(D11, D13, D12, D7, D10);
gyth 0:65e58765adf7 13
gyth 0:65e58765adf7 14 double brightness = 1.0;
gyth 0:65e58765adf7 15 double brightness_inc = 0.1;
gyth 0:65e58765adf7 16
gyth 0:65e58765adf7 17 int main()
gyth 0:65e58765adf7 18 {
gyth 0:65e58765adf7 19 int bt_flag = 0;
BrentLei 2:eac7cbeb9da0 20
BrentLei 2:eac7cbeb9da0 21 // 液晶屏清屏
BrentLei 1:08431d9e3d95 22 lcd.cls();
BrentLei 2:eac7cbeb9da0 23 lcd.locate(0, 0);
BrentLei 2:eac7cbeb9da0 24 lcd.printf("Hello LCD!");
BrentLei 2:eac7cbeb9da0 25
gyth 0:65e58765adf7 26 led.write(brightness);
gyth 0:65e58765adf7 27
gyth 0:65e58765adf7 28 while (1) {
gyth 0:65e58765adf7 29 bt_flag = 1;
gyth 0:65e58765adf7 30 if(button_up==1)
gyth 0:65e58765adf7 31 brightness -= brightness_inc;
gyth 0:65e58765adf7 32 else if(button_down==1)
gyth 0:65e58765adf7 33 brightness += brightness_inc;
gyth 0:65e58765adf7 34 else if(button_center==1)
gyth 0:65e58765adf7 35 brightness = (brightness>0.5)?1.0:0.0;
gyth 0:65e58765adf7 36 else
gyth 0:65e58765adf7 37 bt_flag = 0;
gyth 0:65e58765adf7 38 if(bt_flag==1)
gyth 0:65e58765adf7 39 {
gyth 0:65e58765adf7 40 brightness = (brightness>1.0)?0.0:brightness;
gyth 0:65e58765adf7 41 brightness = (brightness<0.0)?1.0:brightness;
gyth 0:65e58765adf7 42 led.write(brightness);
BrentLei 2:eac7cbeb9da0 43
BrentLei 2:eac7cbeb9da0 44 // 在液晶屏上显示LED的亮度值
BrentLei 1:08431d9e3d95 45 lcd.locate(0,0);
BrentLei 1:08431d9e3d95 46 lcd.printf("Brightness = %.1f\r\n", 1.0-brightness);
gyth 0:65e58765adf7 47 }
gyth 0:65e58765adf7 48 wait(0.2); // 200 ms
gyth 0:65e58765adf7 49 }
gyth 0:65e58765adf7 50 }