Aditya Mehrotra / MotorShield

Motor Shield Example code for 2.74 Class @ MIT

Dependents:   experiment_example motor_shield_example Lab3_experiment_example jumping_leg_clicky

MotorShield.h@1:4c3c2b7337a6, 2020-08-25 (annotated)

Committer:
elijahsj
Date:
Tue Aug 25 23:38:26 2020 +0000
Revision:
1:4c3c2b7337a6
Parent:
0:f2ede00aed8a
Child:
3:2f46953e7c8b
Fixed HAL libraries;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elijahsj 0:f2ede00aed8a 1 /* Library to interface with 2.74 Motor Shield
elijahsj 0:f2ede00aed8a 2 ** Uses a modified version of FastPWM library to improve PWM accuracy
elijahsj 0:f2ede00aed8a 3 */
elijahsj 0:f2ede00aed8a 4
elijahsj 1:4c3c2b7337a6 5
elijahsj 0:f2ede00aed8a 6
elijahsj 0:f2ede00aed8a 7 class MotorShield {
elijahsj 0:f2ede00aed8a 8
elijahsj 0:f2ede00aed8a 9 public:
elijahsj 0:f2ede00aed8a 10
elijahsj 0:f2ede00aed8a 11 /** Receives two PinName variables.
elijahsj 0:f2ede00aed8a 12 * @param echoPin mbed pin to which the echo signal is connected to
elijahsj 0:f2ede00aed8a 13 * @param triggerPin mbed pin to which the trigger signal is connected to
elijahsj 0:f2ede00aed8a 14 */
elijahsj 0:f2ede00aed8a 15 MotorShield(PinName forwardPin, PinName reversePin);
elijahsj 0:f2ede00aed8a 16
elijahsj 0:f2ede00aed8a 17 /** Calculates the distance in cm, with the calculation time of 25 ms.
elijahsj 0:f2ede00aed8a 18 * @returns distance of the measuring object in cm.
elijahsj 0:f2ede00aed8a 19 */
elijahsj 0:f2ede00aed8a 20 void write(double duty_cycle);
elijahsj 0:f2ede00aed8a 21 void period(double period);
elijahsj 0:f2ede00aed8a 22 void direction(int direction);
elijahsj 0:f2ede00aed8a 23
elijahsj 0:f2ede00aed8a 24 private:
elijahsj 0:f2ede00aed8a 25
elijahsj 0:f2ede00aed8a 26 int direction_val;
elijahsj 0:f2ede00aed8a 27 double duty_cycle_val;
elijahsj 0:f2ede00aed8a 28 double period_val;
elijahsj 0:f2ede00aed8a 29
elijahsj 0:f2ede00aed8a 30 void init();
elijahsj 0:f2ede00aed8a 31 void writePWM();
elijahsj 0:f2ede00aed8a 32 };
elijahsj 0:f2ede00aed8a 33