SSSUP / Mbed 2 deprecated sample_servo-motor_sg-90

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Dependencies:   mbed

main.cpp

Committer:
usshi
Date:
2018-05-29
Revision:
0:19d128ee3b65
Child:
1:0e1cdc344b27

File content as of revision 0:19d128ee3b65:

#include "mbed.h"

PwmOut servo(p21);
Serial pc(USBTX,USBRX);

float calc(float);
int main()
{
    float a,b;
    servo.period_ms(20);
    wait_ms(100);
    pc.printf("\r\n---servo test---\n\r");
    while(1) {
        pc.printf("degree(-90~90) : ");
        scanf("%f",&a);
        if(-90<=a&&a<=90) {
            b=calc(a);
            printf("%f PWM:%f\r\n",a,b);
            servo.pulsewidth(b);
        } else {
            break;
        }
    }
    return 0;
}

float calc(float x)
{
    return (1.45+(2.4-0.5)/180*x)/1000;
}