AECL 601 / Mbed 2 deprecated 3WOK_kb_test_0628

test

Dependencies:   mbed

main.cpp@0:41dfb0b1f108, 2016-09-09 (annotated)

Committer:
xx123456987
Date:
Fri Sep 09 05:40:54 2016 +0000
Revision:
0:41dfb0b1f108
test

Who changed what in which revision?

UserRevisionLine numberNew contents of line
xx123456987 0:41dfb0b1f108 1 #include "mbed.h"
xx123456987 0:41dfb0b1f108 2 #define pwm_period_us 500
xx123456987 0:41dfb0b1f108 3 //#define pwm_pulsewidth_us 400
xx123456987 0:41dfb0b1f108 4 //實驗說明:利用鍵盤+-符號來控制馬達速度
xx123456987 0:41dfb0b1f108 5 PwmOut pwm_1(D9);
xx123456987 0:41dfb0b1f108 6 PwmOut pwm_2(D10);
xx123456987 0:41dfb0b1f108 7 PwmOut pwm_3(D11);
xx123456987 0:41dfb0b1f108 8 float pwm = 0.5;
xx123456987 0:41dfb0b1f108 9 DigitalIn button(USER_BUTTON);
xx123456987 0:41dfb0b1f108 10 int main()
xx123456987 0:41dfb0b1f108 11 {
xx123456987 0:41dfb0b1f108 12 char a;
xx123456987 0:41dfb0b1f108 13 pwm_1.period_us(pwm_period_us);
xx123456987 0:41dfb0b1f108 14 pwm_2.period_us(pwm_period_us);
xx123456987 0:41dfb0b1f108 15 pwm_3.period_us(pwm_period_us);
xx123456987 0:41dfb0b1f108 16
xx123456987 0:41dfb0b1f108 17 pwm_1.write(0.5);
xx123456987 0:41dfb0b1f108 18 pwm_2.write(0.5);
xx123456987 0:41dfb0b1f108 19 pwm_3.write(0.5);
xx123456987 0:41dfb0b1f108 20 printf("PWM all RESET to %.1f %%\n", pwm_1.read() * 100);
xx123456987 0:41dfb0b1f108 21
xx123456987 0:41dfb0b1f108 22 while(1) {
xx123456987 0:41dfb0b1f108 23 scanf("%c",&a);
xx123456987 0:41dfb0b1f108 24 switch (a) {
xx123456987 0:41dfb0b1f108 25 case '+':
xx123456987 0:41dfb0b1f108 26 pwm += 0.05;
xx123456987 0:41dfb0b1f108 27 pwm_1.write(pwm);
xx123456987 0:41dfb0b1f108 28 pwm_2.write(pwm);
xx123456987 0:41dfb0b1f108 29 pwm_3.write(pwm);
xx123456987 0:41dfb0b1f108 30 printf("%c ; PWM all set to %.1f %%\n", a, pwm_1.read() * 100);
xx123456987 0:41dfb0b1f108 31 break;
xx123456987 0:41dfb0b1f108 32 case '-':
xx123456987 0:41dfb0b1f108 33 pwm -= 0.05;
xx123456987 0:41dfb0b1f108 34 pwm_1.write(pwm);
xx123456987 0:41dfb0b1f108 35 pwm_2.write(pwm);
xx123456987 0:41dfb0b1f108 36 pwm_3.write(pwm);
xx123456987 0:41dfb0b1f108 37 printf("%c ; PWM all set to %.1f %%\n", a, pwm_1.read() * 100);
xx123456987 0:41dfb0b1f108 38 break;
xx123456987 0:41dfb0b1f108 39 /*case '3':
xx123456987 0:41dfb0b1f108 40 pwm_3.write(pwm);
xx123456987 0:41dfb0b1f108 41 printf("%c ; pwm_3 set to %.1f %%\n", a, pwm_3.read() * 100);
xx123456987 0:41dfb0b1f108 42 break;
xx123456987 0:41dfb0b1f108 43
xx123456987 0:41dfb0b1f108 44 case '0':
xx123456987 0:41dfb0b1f108 45 pwm_1.write(0.5);
xx123456987 0:41dfb0b1f108 46 pwm_2.write(0.5);
xx123456987 0:41dfb0b1f108 47 pwm_3.write(0.5);
xx123456987 0:41dfb0b1f108 48 printf("%c ; pwm all reset to %.1f %%\n", a, pwm_1.read() * 100);
xx123456987 0:41dfb0b1f108 49 break;
xx123456987 0:41dfb0b1f108 50 */
xx123456987 0:41dfb0b1f108 51 default:
xx123456987 0:41dfb0b1f108 52 pwm_1.write(0.5);
xx123456987 0:41dfb0b1f108 53 pwm_2.write(0.5);
xx123456987 0:41dfb0b1f108 54 pwm_3.write(0.5);
xx123456987 0:41dfb0b1f108 55 printf("PWM all RESET to %.1f %%\n", pwm_1.read() * 100);
xx123456987 0:41dfb0b1f108 56 break;
xx123456987 0:41dfb0b1f108 57 }
xx123456987 0:41dfb0b1f108 58 }
xx123456987 0:41dfb0b1f108 59 }