Motor Shield Example code for 2.74 Class @ MIT
Dependents: experiment_example motor_shield_example Lab3_experiment_example jumping_leg_clicky
Diff: MotorShield.h
- Revision:
- 0:f2ede00aed8a
- Child:
- 1:4c3c2b7337a6
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MotorShield.h Mon Aug 24 20:19:03 2020 +0000 @@ -0,0 +1,33 @@ +/* Library to interface with 2.74 Motor Shield +** Uses a modified version of FastPWM library to improve PWM accuracy +*/ + +#include "FastPWM.h" + +class MotorShield { + + public: + + /** Receives two PinName variables. + * @param echoPin mbed pin to which the echo signal is connected to + * @param triggerPin mbed pin to which the trigger signal is connected to + */ + MotorShield(PinName forwardPin, PinName reversePin); + + /** Calculates the distance in cm, with the calculation time of 25 ms. + * @returns distance of the measuring object in cm. + */ + void write(double duty_cycle); + void period(double period); + void direction(int direction); + + private: + + int direction_val; + double duty_cycle_val; + double period_val; + + void init(); + void writePWM(); +}; +