David's dead reckoning code for the LVBots competition on March 6th. Uses the mbed LPC1768, DRV8835, QTR-3RC, and two DC motors with encoders.
Dependencies: PololuEncoder Pacer mbed GeneralDebouncer
Revision 6:89a39870e23d, committed 2014-02-20
- Comitter:
- DavidEGrayson
- Date:
- Thu Feb 20 23:33:45 2014 +0000
- Parent:
- 5:01ad080dc4fa
- Child:
- 7:85b8b5acfb22
- Commit message:
- Got high-resolution 20 kHz PWM.
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
motors.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Thu Feb 20 23:30:53 2014 +0000 +++ b/main.cpp Thu Feb 20 23:33:45 2014 +0000 @@ -34,7 +34,7 @@ motors_init(); - motors_speed_set(5, 45); + motors_speed_set(600, 5); Pacer reportPacer(500000); Pacer blinkPacer(200000);
--- a/motors.cpp Thu Feb 20 23:30:53 2014 +0000 +++ b/motors.cpp Thu Feb 20 23:33:45 2014 +0000 @@ -6,7 +6,6 @@ static PwmOut motor2Pwm(p24); DigitalOut motor2Dir(p23); - void motors_init() { motor1Pwm.period_us(50); @@ -16,12 +15,10 @@ LPC_PWM1->MR0 = 1200; // Set the period LPC_PWM1->MCR = (1 << 1); // Reset PWMTC when it is equal to MR0. - LPC_PWM1->MR1 = 10; - LPC_PWM1->MR3 = 600; } void motors_speed_set(int16_t motor1_speed, int16_t motor2_speed) { - //LPC_PWM1->MR0 = motor1_speed; - //LPC_PWM1->MR2 = motor2_speed; + LPC_PWM1->MR1 = motor1_speed; + LPC_PWM1->MR3 = motor2_speed; }