hobbyking_cheetah source code modified 2020/12/15
Dependencies: mbed-dev-f303 FastPWM3
Diff: main.cpp
- Revision:
- 47:e1196a851f76
- Parent:
- 46:2d4b1dafcfe3
- Child:
- 48:74a40481740c
--- a/main.cpp Thu Jul 12 02:50:34 2018 +0000 +++ b/main.cpp Wed Dec 05 04:07:46 2018 +0000 @@ -2,6 +2,7 @@ /// Written by benkatz, with much inspiration from Bayley Wang, Nick Kirkby, Shane Colton, David Otten, and others /// Hardware documentation can be found at build-its.blogspot.com /// Written for the STM32F446, but can be implemented on other STM32 MCU's with some further register-diddling +/// Version for the TI DRV8323 Everything Chip #define REST_MODE 0 #define CALIBRATION_MODE 1 @@ -37,7 +38,6 @@ GPIOStruct gpio; ControllerStruct controller; COMStruct com; -ObserverStruct observer; Serial pc(PA_2, PA_3); @@ -59,7 +59,7 @@ void onMsgReceived() { //msgAvailable = true; - //printf("%.3f %.3f %.3f\n\r", controller.theta_mech, controller.dtheta_mech, controller.i_q); + printf("%df\n\r", rxMsg.id); can.read(rxMsg); if((rxMsg.id == CAN_ID)){ controller.timeout = 0; @@ -86,6 +86,7 @@ void enter_menu_state(void){ drv.disable_gd(); + //gpio.enable->write(0); printf("\n\r\n\r\n\r"); printf(" Commands:\n\r"); wait_us(10); @@ -102,7 +103,6 @@ printf(" esc - Exit to Menu\n\r"); wait_us(10); state_change = 0; - //gpio.enable->write(0); gpio.led->write(0); } @@ -128,6 +128,7 @@ void enter_torque_mode(void){ drv.enable_gd(); + //gpio.enable->write(1); controller.ovp_flag = 0; reset_foc(&controller); // Tesets integrators, and other control loop parameters wait(.001); @@ -140,6 +141,7 @@ void calibrate(void){ drv.enable_gd(); + //gpio.enable->write(1); gpio.led->write(1); // Turn on status LED order_phases(&spi, &gpio, &controller, &prefs); // Check phase ordering calibrate(&spi, &gpio, &controller, &prefs); // Perform calibration procedure @@ -147,12 +149,14 @@ wait(.2); printf("\n\r Calibration complete. Press 'esc' to return to menu\n\r"); drv.disable_gd(); + //gpio.enable->write(0); state_change = 0; } void print_encoder(void){ - printf(" Mechanical Angle: %f Electrical Angle: %f Raw: %d\n\r", spi.GetMechPosition(), spi.GetElecPosition(), spi.GetRawPosition()); - wait(.05); + //printf(" Mechanical Angle: %f Electrical Angle: %f Raw: %d\n\r", spi.GetMechPosition(), spi.GetElecPosition(), spi.GetRawPosition()); + printf("%d\n\r", spi.GetRawPosition()); + wait(.001); } /// Current Sampling Interrupt /// @@ -165,7 +169,7 @@ //volatile int delay; //for (delay = 0; delay < 55; delay++); - spi.Sample(); // sample position sensor + spi.Sample(DT); // sample position sensor controller.adc2_raw = ADC2->DR; // Read ADC Data Registers controller.adc1_raw = ADC1->DR; controller.adc3_raw = ADC3->DR; @@ -173,7 +177,7 @@ controller.theta_mech = (1.0f/GR)*spi.GetMechPosition(); controller.dtheta_mech = (1.0f/GR)*spi.GetMechVelocity(); controller.dtheta_elec = spi.GetElecVelocity(); - controller.v_bus = 24.0f;//0.95f*controller.v_bus + 0.05f*((float)controller.adc3_raw)*V_SCALE; + controller.v_bus = V_BUS;//b0.95f*controller.v_bus + 0.05f*((float)controller.adc3_raw)*V_SCALE; /// /// Check state machine state, and run the appropriate function /// @@ -198,7 +202,8 @@ else{ /* if(controller.v_bus>28.0f){ //Turn of gate drive if bus voltage is too high, to prevent FETsplosion if the bus is cut during regen - gpio.enable->write(0); + gpio. + ->write(0); controller.ovp_flag = 1; state = REST_MODE; state_change = 1; @@ -206,7 +211,7 @@ } */ - torque_control(&controller); + //torque_control(&controller); if((controller.timeout > CAN_TIMEOUT) && (CAN_TIMEOUT > 0)){ controller.i_d_ref = 0; controller.i_q_ref = 0; @@ -214,24 +219,46 @@ controller.kd = 0; controller.t_ff = 0; } + //controller.i_q_ref = 0.0f; + //controller.i_d_ref = 0.0f; + //controller.i_q_ref = 2.0f; - //controller.i_d_ref = 30.0f; - commutate(&controller, &observer, &gpio, controller.theta_elec); // Run current loop + //controller.i_d_ref = -30.0f; + //controller.kd = .1; + //controller.v_des = 25; + torque_control(&controller); + //controller.i_q_ref = 2.0f; + //controller.i_d_ref = -20.0f; + commutate(&controller, &gpio, controller.theta_elec); // Run current loop //TIM1->CCR3 = (PWM_ARR)*(0.5f); // Write duty cycles //TIM1->CCR2 = (PWM_ARR)*(0.5f); //TIM1->CCR1 = (PWM_ARR)*(0.5f); controller.timeout += 1; + + //pc.putc(iq); + //pc.putc(id); + //pc.putc(ang); + //pc.printf("\n\r"); count++; + /* - if(count == 4000){ + if(count == 400){ //printf("%d %d %.4f %.4f %.4f\n\r", controller.adc1_raw, controller.adc2_raw, controller.i_a, controller.i_b, controller.i_c); - printf("%.3f\n\r", controller.dtheta_mech); + printf("%.2f\n\r", 1000.0f*controller.h1_iq_afc_int1); + //pc.putc(id); + //pc.putc(iq); + //pc.putc(ang); + //pc.putc('\n'); + //pc.putc('\r'); + //printf("%.1f\n", controller.k_q*controller.ki_q*controller.q_int); count = 0; } */ + + @@ -288,7 +315,7 @@ break; case 'z': spi.SetMechOffset(0); - spi.Sample(); + spi.Sample(DT); wait_us(20); M_OFFSET = spi.GetMechPosition(); if (!prefs.ready()) prefs.open(); @@ -370,11 +397,11 @@ wait_us(100); drv.write_CSACR(0x0, 0x1, 0x0, CSA_GAIN_40, 0x0, 0x0, 0x0, 0x0, SEN_LVL_1_0); wait_us(100); - drv.write_OCPCR(TRETRY_4MS, DEADTIME_100NS, OCP_RETRY, OCP_DEG_4US, VDS_LVL_0_75); + drv.write_OCPCR(TRETRY_4MS, DEADTIME_200NS, OCP_RETRY, OCP_DEG_4US, VDS_LVL_1_5); //drv.enable_gd(); zero_current(&controller.adc1_offset, &controller.adc2_offset); // Measure current sensor zero-offset - //drv.disable_gd(); + drv.disable_gd(); @@ -426,12 +453,12 @@ - printf(" %d\n\r", drv.read_register(DCR)); - wait_us(100); - printf(" %d\n\r", drv.read_register(CSACR)); - wait_us(100); - printf(" %d\n\r", drv.read_register(OCPCR)); - drv.disable_gd(); + //printf(" %d\n\r", drv.read_register(DCR)); + //wait_us(100); + //printf(" %d\n\r", drv.read_register(CSACR)); + //wait_us(100); + //printf(" %d\n\r", drv.read_register(OCPCR)); + //drv.disable_gd(); pc.attach(&serial_interrupt); // attach serial interrupt @@ -440,5 +467,13 @@ int counter = 0; while(1) { + drv.print_faults(); + wait(.1); + if(state == MOTOR_MODE) + { + //printf("%.3f\n\r", controller.dtheta_mech); + //wait(.001); + } + } }