AVR based brushless motor controller
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#ifndef _BLMC_H_
#define _BLMC_H_
#include <avr/io.h>
#define PHASE_A_H (1<<PORTB1)
#define PHASE_B_H (1<<PORTB2)
#define PHASE_C_H (1<<PORTB3)
#define PHASE_H_MASK (PHASE_A_H | PHASE_B_H | PHASE_C_H)
#define PHASE_A_L (1<<PORTD4)
#define PHASE_B_L (1<<PORTD3)
#define PHASE_C_L (1<<PORTD2)
#define PHASE_L_MASK (PHASE_A_L | PHASE_B_L | PHASE_C_L)
#define SENSE_A 0
#define SENSE_B 1
#define SENSE_C 2
#define SENSE_VOLTAGE 3
#define SENSE_CURRENT 6
#define FLAG_PWM_SPINUP 0x01
#define FLAG_PWM_NORMAL 0x02
#define FLAG_COM_SPINUP 0x10
#define FLAG_COM_NORMAL 0x20
struct blmc_ {
uint8_t flags;
uint8_t pwm; // pwm setpoint
uint8_t pwm_limit; // increased by current-limit
uint16_t rpm;
uint16_t rpm_tmp;
uint16_t rpm_tmp2;
uint16_t current;
uint16_t voltage;
};
void trigger_adc(uint8_t channel);
void setpwm(uint8_t pwm);
void spinup(void);
#endif