Tony Lin / Mbed 2 deprecated BX-car_s

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Dependencies:   mbed-rtos mbed

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Show/hide line numbers servo_api.cpp Source File

servo_api.cpp

00001 // 0~180 angle    1~2ms
00002 #include "mbed.h"
00003 #include "servo_api.h"
00004 #define right_end 0.093  //90
00005 #define left_end 0.061   //-90
00006 
00007 //memory opt
00008 // 5 degree seperate
00009 BX_servo::BX_servo(void)
00010 {
00011     angle = 0;
00012     servo_in= new  PwmOut(PTB0);
00013     servo_in->period_ms(20);
00014 }
00015 
00016 float BX_servo::set_angle(float a)
00017 {
00018 
00019     if( a<left_end )
00020         a=left_end;
00021     else if(a>right_end)
00022         a=right_end;
00023     angle=a;
00024     *servo_in=angle;
00025 
00026     return angle;
00027 }
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