more data will publish after one month
reference –
program
#define hall_blue 5 //hall sensor not used
#define hall_yellow 7
#define hall_green 6
#define timout_bemf 5000
//order G Y B
#define bemf_blue 8
#define bemf_yellow 9
#define bemf_green 10
#define blue_high A1
#define blue_low A0
#define yellow_high A3
#define yellow_low A2
#define green_high A5
#define green_low A4
int blue, green, yellow;
int count;
int state;
void setup()
{
Serial.begin(115200);
pinMode(bemf_blue, INPUT);
pinMode(bemf_yellow, INPUT);
pinMode(bemf_green, INPUT);
hall_sensor_init();
motor_pin_init();
off_all();
on_low_side_mosfet_and_charge_bootstrap();
Serial.println(“haiu”);
off_all();
count = 0;
while (count < 2)
{
run_motor_without_sensor_anti_clock ();
count++;
}
off_all(); delay(1);
}
void loop()
{
motor_run_clockwise_using_back_emf();
}
void run_motor_without_sensor_anti_clock(void)
{
off_all();
digitalWrite(yellow_high, HIGH);
digitalWrite(green_low, HIGH);
off_all_delay();
digitalWrite(yellow_high, HIGH);
digitalWrite(blue_low, HIGH);
off_all_delay();
digitalWrite(green_high, HIGH);
digitalWrite(blue_low, HIGH);
off_all_delay();
digitalWrite(green_high, HIGH);
digitalWrite(yellow_low, HIGH);
off_all_delay();
digitalWrite(blue_high, HIGH);
digitalWrite(yellow_low, HIGH);
off_all_delay();
digitalWrite(blue_high, HIGH);
digitalWrite(green_low, HIGH);
off_all_delay();
//
}
void run_motor_without_sensor (void)
{
off_all_delay();
digitalWrite(blue_high, HIGH);
digitalWrite(yellow_low, HIGH);
// off_all_delay();
///digitalWrite(blue_high, HIGH);
// digitalWrite(green_low, HIGH);
off_all_delay();
digitalWrite(yellow_high, HIGH);
digitalWrite(green_low, HIGH);
// off_all_delay();
// digitalWrite(yellow_high, HIGH);
// digitalWrite(blue_low, HIGH);
read_hall_sensors();
off_all_delay();
digitalWrite(green_high, HIGH);
digitalWrite(blue_low, HIGH);
off_all_delay();
// digitalWrite(green_high, HIGH);
// digitalWrite(yellow_low, HIGH);
off_all();
}
void motor_run_clockwise_using_back_emf(void)
{
read_bemf_sensors(); off_all();
count = 0;
while (blue == 1 && yellow == 0 && green == 1 && count < timout_bemf) //101
{
digitalWrite(blue_high, HIGH);
digitalWrite(yellow_low, HIGH);
read_bemf_sensors(); count++;
}
off_all(); count = 0;
while (blue == 1 && yellow == 0 && green == 0 && count < timout_bemf) //100 -byg
{
digitalWrite(blue_high, HIGH);
digitalWrite(green_low, HIGH);
read_bemf_sensors(); count++;
}
off_all(); count = 0;
while (blue == 1 && yellow == 1 && green == 0 && count < timout_bemf) //110
{
digitalWrite(yellow_high, HIGH);
digitalWrite(green_low, HIGH);
read_bemf_sensors(); count++;
}
off_all(); count = 0;
while (blue == 0 && yellow == 1 && green == 0 && count < timout_bemf) //010
{
digitalWrite(yellow_high, HIGH);
digitalWrite(blue_low, HIGH);
read_bemf_sensors(); count++;
}
off_all(); count = 0;
while (blue == 0 && yellow == 1 && green == 1 && count < timout_bemf) //011
{
digitalWrite(green_high, HIGH);
digitalWrite(blue_low, HIGH);
read_bemf_sensors(); count++;
}
off_all(); count = 0;
while (blue == 0 && yellow == 0 && green == 1 && count < timout_bemf) //001
{
digitalWrite(green_high, HIGH);
digitalWrite(yellow_low, HIGH);
read_bemf_sensors(); count++;
}
}
void off_all_delay(void)
{
delayMicroseconds(2000); PORTC = 0;
/*
digitalWrite(blue_low, LOW);
digitalWrite(blue_high, LOW);
digitalWrite(yellow_low, LOW);
digitalWrite(yellow_high, LOW);
digitalWrite(green_low, LOW);
digitalWrite(green_high, LOW);
//delayMicroseconds(1);
*/
}
void read_bemf_sensors(void)
{
blue = digitalRead(bemf_blue);
yellow = digitalRead(bemf_yellow);
green = digitalRead(bemf_green);
//display_sensor_data();
//Serial.println(PINB & 7);
}
void motor_run_clockwise(void)
{
off_all(); read_hall_sensors();
while (blue == 1 && yellow == 0 && green == 1)//101
{
digitalWrite(blue_high, HIGH);
digitalWrite(yellow_low, HIGH);
read_hall_sensors();
}
off_all();
while (blue == 1 && yellow == 0 && green == 0) //100 -byg
{
digitalWrite(blue_high, HIGH);
digitalWrite(green_low, HIGH);
read_hall_sensors();
}
off_all();
while (blue == 1 && yellow == 1 && green == 0) //110
{
digitalWrite(yellow_high, HIGH);
digitalWrite(green_low, HIGH);
read_hall_sensors();
}
off_all();
while (blue == 0 && yellow == 1 && green == 0) //010
{
digitalWrite(yellow_high, HIGH);
digitalWrite(blue_low, HIGH);
read_hall_sensors();
}
off_all();
while (blue == 0 && yellow == 1 && green == 1)//011
{
digitalWrite(green_high, HIGH);
digitalWrite(blue_low, HIGH);
read_hall_sensors();
}
off_all();
while (blue == 0 && yellow == 0 && green == 1)//001
{
digitalWrite(green_high, HIGH);
digitalWrite(yellow_low, HIGH);
read_hall_sensors();
}
off_all();
}
void fault(void)
{
//—————————fault————————————-
if (blue == 1 && yellow == 1 && green == 1) //000
{
off_all();
do
{
Serial.println(“fault!!!!!”);
read_hall_sensors(); display_sensor_data();
} while (blue == 1 && yellow == 1 && green == 1);
}
else if (blue == 0 && yellow == 0 && green == 0) //111
{
off_all();
do
{
Serial.println(“fault!!!!!”);
read_hall_sensors(); display_sensor_data();
} while (blue == 0 && yellow == 0 && green == 0);
}
//—————————fault————————————-
}
void off_all(void)
{
PORTC = 0;
/*
digitalWrite(blue_low, LOW);
digitalWrite(blue_high, LOW);
digitalWrite(yellow_low, LOW);
digitalWrite(yellow_high, LOW);
digitalWrite(green_low, LOW);
digitalWrite(green_high, LOW);
//delayMicroseconds(1);
*/
}
void read_hall_sensors(void)
{
blue = !digitalRead(hall_blue);
yellow = !digitalRead(hall_yellow);
green = !digitalRead(hall_green);
// recharge_boot();
//display_sensor_data();
}
void delay_for_phase(void)
{
// Serial.write(‘a’);
// delayMicroseconds(10);
}
void recharge_boot(void)
{ delayMicroseconds(10);
PORTC = 0;
delayMicroseconds(1);
digitalWrite(blue_low, HIGH);
digitalWrite(yellow_low, HIGH);
digitalWrite(green_low, HIGH);
delayMicroseconds(1);
PORTC = 0;
}
void on_low_side_mosfet_and_charge_bootstrap(void)
{
digitalWrite(blue_low, HIGH);
digitalWrite(yellow_low, HIGH);
digitalWrite(green_low, HIGH);
delay(1000); off_all(); delay(1);
}
void motor_pin_init(void)
{
pinMode(blue_high, OUTPUT);
pinMode(blue_low, OUTPUT);
pinMode(yellow_high, OUTPUT);
pinMode(yellow_low, OUTPUT);
pinMode(green_high, OUTPUT);
pinMode(green_low, OUTPUT);
}
void display_sensor_data(void)
{
//Serial.print(“b-“);
Serial.print(blue);
//Serial.print(“-y=”);
Serial.print(yellow);
//Serial.print(“-g=”);
Serial.println(green);
}
void hall_sensor_init(void)
{
pinMode(hall_blue, INPUT_PULLUP);
pinMode(hall_yellow, INPUT_PULLUP);
pinMode(hall_green, INPUT_PULLUP);
}
void test_fan_driver(void)
{
off_all();
digitalWrite(blue_low, HIGH);
digitalWrite(yellow_low, HIGH);
digitalWrite(green_low, HIGH);
delayMicroseconds(1000); off_all();
digitalWrite(blue_high, HIGH);
digitalWrite(yellow_high, HIGH);
digitalWrite(green_high, HIGH);
delayMicroseconds(1000);
}
