BLDC motor driver
Dependencies: mbed-dev-f303 FastPWM3
Diff: main.cpp
- Revision:
- 7:dc5f27756e02
- Parent:
- 6:4ee1cdc43aa8
- Child:
- 8:10ae7bc88d6e
diff -r 4ee1cdc43aa8 -r dc5f27756e02 main.cpp --- a/main.cpp Sat Mar 12 19:55:52 2016 +0000 +++ b/main.cpp Tue Mar 29 01:05:46 2016 +0000 @@ -5,15 +5,23 @@ #include "FastMath.h" #include "Transforms.h" #include "CurrentRegulator.h" - +//#include "TorqueController.h" +//#include "ImpedanceController.h" PositionSensorEncoder encoder(8192,0); //Inverter inverter(PA_5, PB_10, PB_3, PB_7, 0.02014160156, 0.00005); -Inverter inverter(PA_8, PA_9, PA_10, PB_7, 0.02014160156, 0.00005); +Inverter inverter(PA_10, PA_9, PA_8, PA_11, 0.01007080078, 0.00005); CurrentRegulator foc(&inverter, &encoder, .005, .5); +SVPWM svpwm(&inverter, 2.0f); +Ticker testing; +//Timer t; -Ticker testing; - - +float v_d = 0; +float v_q = .1; +float v_alpha = 0; +float v_beta = 0; +float v_a = 0; +float v_b = 0; +float v_c = 0; //SPI spi(PB_15, PB_14, PB_13); //GPIOB->MODER = (1 << 8); // set pin 4 to be general purpose output @@ -38,37 +46,57 @@ // toggle on update event if (TIM1->SR & TIM_SR_UIF ) { inverter.SampleCurrent(); + //wait(.00002); + //foc.Commutate(); } TIM1->SR = 0x0; // reset the status register //GPIOC->ODR ^= (1 << 4); //Toggle pin for debugging } - +void voltage_foc(void){ + float theta = encoder.GetElecPosition(); + InvPark(v_d, v_q, theta, &v_alpha, &v_beta); + InvClarke(v_alpha, v_beta, &v_a, &v_b, &v_c); + svpwm.Update_DTC(v_a, v_b, v_c); + //output.write(theta/6.28318530718f); + } + void Loop(void){ foc.Commutate(); + //voltage_foc(); } void PrintStuff(void){ float velocity = encoder.GetMechVelocity(); float position = encoder.GetMechPosition(); - printf("%f, %f;\n\r", position, velocity); + //printf("%f, %f;\n\r", position, velocity); + printf("%f %d %d\n\r", position, TIM3->CNT-0x8000, -2*((int)((TIM3->CR1)>>4)&1)+1); } -/* -void voltage_foc(void){ - theta = encoder.GetElecPosition() + offset; - InvPark(v_d, v_q, theta, &v_alpha, &v_beta); - spwm.Update_DTC(v_alpha, v_beta); - //output.write(theta/6.28318530718f); - } - */ + + + + /* + void gen_sine(void){ + float f = 1.0f; + float time = t.read(); + float a = .45f*sin(6.28318530718f*f*time) + .5f; + float b = .45f*sin(6.28318530718f*f*time + 2.09439510239f) + .5f; + float c = .45f*sin(6.28318530718f*f*time + 4.18879020479f) + .5f; + inverter.SetDTC(a, b, c); + } +*/ int main() { + //t.start(); wait(1); testing.attach(&Loop, .0001); - //testing.attach(&PrintStuff, .05); + NVIC_SetPriority(TIM5_IRQn, 1); + //testing.attach(&gen_sine, .01); + //testing.attach(&PrintStuff, .1); //inverter.SetDTC(.1, 0, 0); - //inverter.EnableInverter(); + inverter.EnableInverter(); + //foc.Commutate(); while(1) { //printf("%f\n\r", encoder.GetElecPosition()); //wait(.1);