BLDC motor driver
Dependencies: mbed-dev-f303 FastPWM3
main.cpp@6:4ee1cdc43aa8, 2016-03-12 (annotated)
- Committer:
- benkatz
- Date:
- Sat Mar 12 19:55:52 2016 +0000
- Revision:
- 6:4ee1cdc43aa8
- Parent:
- 4:c023f7b6f462
- Child:
- 7:dc5f27756e02
Switched from sinusoidal pwm to svm
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
benkatz | 0:4e1c4df6aabd | 1 | #include "mbed.h" |
benkatz | 0:4e1c4df6aabd | 2 | #include "PositionSensor.h" |
benkatz | 0:4e1c4df6aabd | 3 | #include "Inverter.h" |
benkatz | 0:4e1c4df6aabd | 4 | #include "SVM.h" |
benkatz | 0:4e1c4df6aabd | 5 | #include "FastMath.h" |
benkatz | 0:4e1c4df6aabd | 6 | #include "Transforms.h" |
benkatz | 0:4e1c4df6aabd | 7 | #include "CurrentRegulator.h" |
benkatz | 0:4e1c4df6aabd | 8 | |
benkatz | 0:4e1c4df6aabd | 9 | PositionSensorEncoder encoder(8192,0); |
benkatz | 2:8724412ad628 | 10 | //Inverter inverter(PA_5, PB_10, PB_3, PB_7, 0.02014160156, 0.00005); |
benkatz | 2:8724412ad628 | 11 | Inverter inverter(PA_8, PA_9, PA_10, PB_7, 0.02014160156, 0.00005); |
benkatz | 0:4e1c4df6aabd | 12 | CurrentRegulator foc(&inverter, &encoder, .005, .5); |
benkatz | 0:4e1c4df6aabd | 13 | |
benkatz | 0:4e1c4df6aabd | 14 | Ticker testing; |
benkatz | 0:4e1c4df6aabd | 15 | |
benkatz | 2:8724412ad628 | 16 | |
benkatz | 4:c023f7b6f462 | 17 | |
benkatz | 4:c023f7b6f462 | 18 | //SPI spi(PB_15, PB_14, PB_13); |
benkatz | 4:c023f7b6f462 | 19 | //GPIOB->MODER = (1 << 8); // set pin 4 to be general purpose output |
benkatz | 4:c023f7b6f462 | 20 | |
benkatz | 4:c023f7b6f462 | 21 | //DigitalOut chipselect(PB_12); |
benkatz | 4:c023f7b6f462 | 22 | |
benkatz | 0:4e1c4df6aabd | 23 | using namespace FastMath; |
benkatz | 0:4e1c4df6aabd | 24 | using namespace Transforms; |
benkatz | 0:4e1c4df6aabd | 25 | |
benkatz | 0:4e1c4df6aabd | 26 | |
benkatz | 1:b8bceb4daed5 | 27 | // Current Sampling IRQ |
benkatz | 2:8724412ad628 | 28 | /* |
benkatz | 0:4e1c4df6aabd | 29 | extern "C" void TIM2_IRQHandler(void) { |
benkatz | 0:4e1c4df6aabd | 30 | // flash on update event |
benkatz | 0:4e1c4df6aabd | 31 | if (TIM2->SR & TIM_SR_UIF & TIM2->CNT>0x465) { |
benkatz | 0:4e1c4df6aabd | 32 | inverter.SampleCurrent(); |
benkatz | 0:4e1c4df6aabd | 33 | } |
benkatz | 0:4e1c4df6aabd | 34 | TIM2->SR = 0x0; // reset the status register |
benkatz | 0:4e1c4df6aabd | 35 | } |
benkatz | 2:8724412ad628 | 36 | */ |
benkatz | 2:8724412ad628 | 37 | extern "C" void TIM1_UP_TIM10_IRQHandler(void) { |
benkatz | 2:8724412ad628 | 38 | // toggle on update event |
benkatz | 2:8724412ad628 | 39 | if (TIM1->SR & TIM_SR_UIF ) { |
benkatz | 2:8724412ad628 | 40 | inverter.SampleCurrent(); |
benkatz | 2:8724412ad628 | 41 | } |
benkatz | 2:8724412ad628 | 42 | TIM1->SR = 0x0; // reset the status register |
benkatz | 2:8724412ad628 | 43 | //GPIOC->ODR ^= (1 << 4); //Toggle pin for debugging |
benkatz | 2:8724412ad628 | 44 | } |
benkatz | 0:4e1c4df6aabd | 45 | |
benkatz | 0:4e1c4df6aabd | 46 | |
benkatz | 0:4e1c4df6aabd | 47 | void Loop(void){ |
benkatz | 0:4e1c4df6aabd | 48 | foc.Commutate(); |
benkatz | 0:4e1c4df6aabd | 49 | } |
benkatz | 3:6a0015d88d06 | 50 | |
benkatz | 3:6a0015d88d06 | 51 | void PrintStuff(void){ |
benkatz | 3:6a0015d88d06 | 52 | float velocity = encoder.GetMechVelocity(); |
benkatz | 3:6a0015d88d06 | 53 | float position = encoder.GetMechPosition(); |
benkatz | 3:6a0015d88d06 | 54 | printf("%f, %f;\n\r", position, velocity); |
benkatz | 3:6a0015d88d06 | 55 | } |
benkatz | 0:4e1c4df6aabd | 56 | /* |
benkatz | 0:4e1c4df6aabd | 57 | void voltage_foc(void){ |
benkatz | 0:4e1c4df6aabd | 58 | theta = encoder.GetElecPosition() + offset; |
benkatz | 0:4e1c4df6aabd | 59 | InvPark(v_d, v_q, theta, &v_alpha, &v_beta); |
benkatz | 0:4e1c4df6aabd | 60 | spwm.Update_DTC(v_alpha, v_beta); |
benkatz | 0:4e1c4df6aabd | 61 | //output.write(theta/6.28318530718f); |
benkatz | 0:4e1c4df6aabd | 62 | } |
benkatz | 0:4e1c4df6aabd | 63 | */ |
benkatz | 1:b8bceb4daed5 | 64 | |
benkatz | 0:4e1c4df6aabd | 65 | |
benkatz | 0:4e1c4df6aabd | 66 | int main() { |
benkatz | 0:4e1c4df6aabd | 67 | wait(1); |
benkatz | 0:4e1c4df6aabd | 68 | testing.attach(&Loop, .0001); |
benkatz | 3:6a0015d88d06 | 69 | //testing.attach(&PrintStuff, .05); |
benkatz | 3:6a0015d88d06 | 70 | //inverter.SetDTC(.1, 0, 0); |
benkatz | 0:4e1c4df6aabd | 71 | //inverter.EnableInverter(); |
benkatz | 0:4e1c4df6aabd | 72 | while(1) { |
benkatz | 3:6a0015d88d06 | 73 | //printf("%f\n\r", encoder.GetElecPosition()); |
benkatz | 3:6a0015d88d06 | 74 | //wait(.1); |
benkatz | 0:4e1c4df6aabd | 75 | } |
benkatz | 0:4e1c4df6aabd | 76 | } |