servom
Dependents: servomotore progetto8 progetto9 progetto10 ... more
Revision 1:de53826667ce, committed 2019-03-28
- Comitter:
- faraonemena
- Date:
- Thu Mar 28 15:52:51 2019 +0000
- Parent:
- 0:a62b163b1dbb
- Commit message:
- servom
Changed in this revision
diff -r a62b163b1dbb -r de53826667ce SG90.cpp --- a/SG90.cpp Sat Apr 05 07:56:43 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,114 +0,0 @@ -#include "mbed.h" -#include "SG90.h" - - -//Initialize the position variables to neutral - -servo::servo() : pwm1(PTA5), pwm2(PTA12), pwm3(PTA4), pwm4(PTA5) - { - - init(); - } - - - -void servo::init() //Initialize all servo pwm's to a periode of 20ms - { - s1=s2=s3=s4=1400; //Initialize the position variables to neutral - pwm1.period_ms(20); - pwm1.pulsewidth_us(s1); - pwm2.period_ms(20); - pwm2.pulsewidth_us(s2); - pwm3.period_ms(20); - pwm3.pulsewidth_us(s3); - pwm4.period_ms(20); - pwm4.pulsewidth_us(s4); - } - -void servo::right(int a) //Lower the pulsewidth to make the servo turn clockwise - { - switch (a) - { - case 1: - if (s1 >= 540) s1 = (s1 - 20); - pwm1.pulsewidth_us(s1); - break; - - case 2: - if (s2 >= 540)s2 =s2 -20; - pwm2.pulsewidth_us(s2); - break; - - case 3: - if (s3 >= 540)s3 = s3 -20; - pwm3.pulsewidth_us(s3); - break; - - case 4: - if (s4 >= 540)s4 = s4 -20; - pwm4.pulsewidth_us(s4); - break; - - default : - break; - } - } - -void servo::left(int a) //Raise the pulsewidth to make the servo turn counter clockwise - { - switch (a) - { - case 1: - if (s1 <=2300) s1 = s1 + 20; - pwm1.pulsewidth_us(s1); - break; - - case 2: - if (s2 <=2300)s2 =s2 +20; - pwm2.pulsewidth_us(s2); - break; - - case 3: - if (s2 <=2300)s3 = s3 +20; - pwm3.pulsewidth_us(s3); - break; - - case 4: - if (s2 <=2300)s4 = s4 +20; - pwm4.pulsewidth_us(s4); - break; - - default : - break; - } - } -void servo::position(int a, int p) //Position control of the servor, a is the servo and p is the position in degrees - { - int pw; - pw = 500 + (p*10); - switch (a) - { - case 1: - pwm1.pulsewidth_us(pw); - break; - - case 2: - - pwm2.pulsewidth_us(pw); - break; - - case 3: - - pwm3.pulsewidth_us(pw); - break; - - case 4: - - pwm4.pulsewidth_us(pw); - break; - - default : - break; - } - - }
diff -r a62b163b1dbb -r de53826667ce SG90.h --- a/SG90.h Sat Apr 05 07:56:43 2014 +0000 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,24 +0,0 @@ -#ifndef SG90_H -#define SG90_H -#include "mbed.h" -#include "PwmOut.h" - -class servo { - -public: - -PwmOut pwm1, pwm2, pwm3, pwm4; -servo(); - - -void init(); -void right(int); -void left(int); -void position(int, int); - -int s1, s2, s3, s4; - - - -}; -#endif \ No newline at end of file
diff -r a62b163b1dbb -r de53826667ce Servo.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Servo.cpp Thu Mar 28 15:52:51 2019 +0000 @@ -0,0 +1,42 @@ +/* + +Copyright (c) 2012-2014 RedBearLab + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software +and associated documentation files (the "Software"), to deal in the Software without restriction, +including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, +and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, +INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE +FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +#include "../Servo/Servo.h" + +Servo::Servo(PinName pin) : _servo(pin) +{ + _servo.period_ms(20); +} + +Servo::~Servo(void) +{ + +} + +void Servo::write(unsigned char degree) +{ + convert(degree); + _servo.pulsewidth_us(pulse); +} + +void Servo::convert(unsigned char degree) +{ + // 0~180 degree correspond to 500~2500 + pulse = degree * 11 + 500; +} \ No newline at end of file
diff -r a62b163b1dbb -r de53826667ce Servo.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Servo.h Thu Mar 28 15:52:51 2019 +0000 @@ -0,0 +1,40 @@ +/* + +Copyright (c) 2012-2014 RedBearLab + +Permission is hereby granted, free of charge, to any person obtaining a copy of this software +and associated documentation files (the "Software"), to deal in the Software without restriction, +including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, +and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, +subject to the following conditions: +The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, +INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR +PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE +FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +*/ + +#ifndef _SERVO_H +#define _SERVO_H + +#include "mbed.h" + +class Servo +{ +public: + Servo(PinName pin); + ~Servo(void); + + void write(unsigned char degree); + +private: + void convert(unsigned char degree); + + PwmOut _servo; + unsigned int pulse; +}; + +#endif \ No newline at end of file