BLDC motor driver
Dependencies: mbed-dev-f303 FastPWM3
main.cpp
- Committer:
- benkatz
- Date:
- 2016-12-10
- Revision:
- 17:3c5df2982199
- Parent:
- 15:ef00814e38e2
- Child:
- 18:f1d56f4acb39
File content as of revision 17:3c5df2982199:
const unsigned int BOARDNUM = 0x2; //const unsigned int a_id = const unsigned int TX_ID = 0x0100; const unsigned int a_ID = (BOARDNUM<<8) + 0x7; const unsigned int b_ID = (BOARDNUM<<8) + 0x8; const unsigned int c_ID = (BOARDNUM<<8) + 0x9; #include "CANnucleo.h" #include "mbed.h" #include "PositionSensor.h" #include "Inverter.h" #include "SVM.h" #include "FastMath.h" #include "Transforms.h" #include "CurrentRegulator.h" #include "TorqueController.h" #include "ImpedanceController.h" using namespace FastMath; using namespace Transforms; CANnucleo::CAN can(PB_8, PB_9); // CAN Rx pin name, CAN Tx pin name CANnucleo::CANMessage rxMsg; CANnucleo::CANMessage txMsg; int ledState; Timer timer; Ticker sendCAN; int counter = 0; volatile bool msgAvailable = false; int a1, b1, c1; /** * @brief 'CAN receive-complete' interrup handler. * @note Called on arrival of new CAN message. * Keep it as short as possible. * @param * @retval */ void onMsgReceived() { msgAvailable = true; //printf("ping\n\r"); } void sendCMD(int TX_addr, int val){ txMsg.clear(); //clear Tx message storage txMsg.id = TX_addr; txMsg << val; can.write(txMsg); //wait(.1); } void comLoop(void){ sendCMD(TX_ID, a1); printf("%d %d %d \n\r", a1, b1, c1); //sendCMD(TX_ID+b_ID, b1); //sendCMD(TX_ID+c_ID, c1); } int id[3] = {0}; float cmd_float[3] = {0.0f}; int raw[3] = {0}; float val_max[3] = {18.0f, 1.0f, 0.1f}; //max angle in radians, stiffness in N-m/rad, damping in N-m*s/rad int buff[8]; Serial pc(PA_2, PA_3); Inverter inverter(PA_10, PA_9, PA_8, PA_11, 0.02014160156, 0.00005); //hall motor PositionSensorAM5147 spi(16384, 1.65f, 21); ///1 I really need an eeprom or something to store this.... //PositionSensorSPI spi(2048, 1.34f, 7); ///2 PositionSensorEncoder encoder(4096, 0, 21); CurrentRegulator foc(&inverter, &spi, &encoder, 0.000033, .005, .55); TorqueController torqueController(.031f, &foc); ImpedanceController impedanceController(&torqueController, &spi, &encoder); Ticker testing; // Current Sampling IRQ extern "C" void TIM1_UP_TIM10_IRQHandler(void) { if (TIM1->SR & TIM_SR_UIF ) { inverter.SampleCurrent(); //foc.Commutate(); ///Putting the loop here doesn't work for some reason. Need to figure out why } TIM1->SR = 0x0; // reset the status register } int count = 0; void Loop(void){ count++; //impedanceController.SetImpedance(cmd_float[1], cmd_float[2], cmd_float[0]); //impedanceController.SetImpedance(.1, -0.01, 0); torqueController.SetTorque(.1); //foc.Commutate(); //voltage_foc(); if(count>2000){ //float e = spi.GetElecPosition(); //float v = encoder.GetMechVelocity(); //printf("%f\n\r", v); //printf("IA: %f IB: %f IC: %f\n\r", inverter.I_A, inverter.I_B, inverter.I_C); count = 0; } } void PrintStuff(void){ //inverter.SetDTC(0.03, 0.0, 0.0); //float v = encoder.GetMechVelocity(); //float position = encoder.GetElecPosition(); int position = spi.GetRawPosition(); //float m = spi.GetMechPosition(); float e = spi.GetElecPosition(); foc.Commutate(); float q = foc.GetQ(); printf("position: %d angle: %f q current: %f\n\r", position, e, q); //inverter.getCurrent() //printf("%f %f %f %f \n\r", m, cmd_float[0], cmd_float[1], cmd_float[2]); //printf("%d %d %d\n\r", raw[0], raw[1], raw[2]); //printf("IA: %f IB: %f IC: %f\n\r", inverter.I_A, inverter.I_B, inverter.I_C); } /* ////Throw some sines on the phases. useful to make sure the hardware works. 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() { inverter.DisableInverter(); spi.ZeroPosition(); wait(.1); inverter.SetDTC(0.03, 0.0, 0.0); inverter.EnableInverter(); foc.Reset(); testing.attach(&Loop, .000025); //testing.attach(&PrintStuff, .05); NVIC_SetPriority(TIM5_IRQn, 2); pc.baud(921600); pc.printf("HobbyKing Cheeta v1.1\n\r"); wait(.1); while(1) { } }