Shao Rui / Joint_control_2AS5147_DRV8323RH_HKC_FOC_2020_9_17

1

Dependencies:   mbed-dev-f303 FastPWM3

main.cpp@55:489f01927025, 2021-05-12 (annotated)

Committer:
shaorui
Date:
Wed May 12 12:41:39 2021 +0000
Revision:
55:489f01927025
Parent:
54:4c9415402628 
1

Who changed what in which revision?

UserRevisionLine numberNew contents of line
benkatz 22:60276ba87ac6 1 /// high-bandwidth 3-phase motor control, for robots
benkatz 22:60276ba87ac6 2 /// Written by benkatz, with much inspiration from bayleyw, nkirkby, scolton, David Otten, and others
benkatz 22:60276ba87ac6 3 /// Hardware documentation can be found at build-its.blogspot.com
benkatz 22:60276ba87ac6 4 /// Written for the STM32F446, but can be implemented on other STM32 MCU's with some further register-diddling
benkatz 22:60276ba87ac6 5
benkatz 23:2adf23ee0305 6 #define REST_MODE 0
benkatz 23:2adf23ee0305 7 #define CALIBRATION_MODE 1
benkatz 26:2b865c00d7e9 8 #define MOTOR_MODE 2
benkatz 23:2adf23ee0305 9 #define SETUP_MODE 4
benkatz 23:2adf23ee0305 10 #define ENCODER_MODE 5
Rushu 49:7eac11914980 11 #define TEST_TRAJECTORY_MODE 6
shaorui 48:1b51771c3647 12 #define J_CALIBRATION_MODE 7
benkatz 44:efcde0af8390 13 #define VERSION_NUM "1.6"
benkatz 26:2b865c00d7e9 14
benkatz 18:f1d56f4acb39 15
benkatz 26:2b865c00d7e9 16 float __float_reg[64]; // Floats stored in flash
shaorui 48:1b51771c3647 17 //int __int_reg[256]; // Ints stored in flash. Includes position sensor calibration lookup table
shaorui 48:1b51771c3647 18 int __int_reg[300];
shaorui 48:1b51771c3647 19 int test1;
Rushu 49:7eac11914980 20 int test_jointround_flag=0;
shaorui 48:1b51771c3647 21 int stop_sign=0;
benkatz 0:4e1c4df6aabd 22 #include "mbed.h"
benkatz 0:4e1c4df6aabd 23 #include "PositionSensor.h"
benkatz 20:bf9ea5125d52 24 #include "structs.h"
benkatz 20:bf9ea5125d52 25 #include "foc.h"
benkatz 22:60276ba87ac6 26 #include "calibration.h"
benkatz 20:bf9ea5125d52 27 #include "hw_setup.h"
benkatz 23:2adf23ee0305 28 #include "math_ops.h"
benkatz 20:bf9ea5125d52 29 #include "current_controller_config.h"
benkatz 20:bf9ea5125d52 30 #include "hw_config.h"
benkatz 20:bf9ea5125d52 31 #include "motor_config.h"
benkatz 23:2adf23ee0305 32 #include "stm32f4xx_flash.h"
benkatz 23:2adf23ee0305 33 #include "FlashWriter.h"
benkatz 23:2adf23ee0305 34 #include "user_config.h"
benkatz 23:2adf23ee0305 35 #include "PreferenceWriter.h"
benkatz 42:738fa01b0346 36 #include "CAN_com.h"
shaorui 48:1b51771c3647 37 #include "math.h"
shaorui 48:1b51771c3647 38 #include "MA700Sensor.h"
shaorui 48:1b51771c3647 39 #include "joint_calibration.h"
shaorui 53:32218a36df05 40 PreferenceWriter prefs(7);
shaorui 48:1b51771c3647 41 //PreferenceWriter prefs(7);
benkatz 37:c0f352d6e8e3 42
benkatz 9:d7eb815cb057 43
benkatz 20:bf9ea5125d52 44 GPIOStruct gpio;
benkatz 20:bf9ea5125d52 45 ControllerStruct controller;
benkatz 20:bf9ea5125d52 46 COMStruct com;
benkatz 37:c0f352d6e8e3 47 ObserverStruct observer;
benkatz 43:dfb72608639c 48 Serial pc(PA_2, PA_3);
benkatz 9:d7eb815cb057 49
Rushu 47:55bdc4d5096b 50 CAN can(PB_8, PB_9, 1000000); // CAN Rx pin name, CAN Tx pin name, 1000kbps
benkatz 26:2b865c00d7e9 51 CANMessage rxMsg;
benkatz 26:2b865c00d7e9 52 CANMessage txMsg;
benkatz 23:2adf23ee0305 53
shaorui 48:1b51771c3647 54 int i=1;//shaorui add
shaorui 48:1b51771c3647 55 float wucha=0;
shaorui 48:1b51771c3647 56 float wucha1=0;
Rushu 47:55bdc4d5096b 57 PositionSensorAM5147 spi(16384, 0.0, NPP); //14 bits encoder, 21 NPP
shaorui 48:1b51771c3647 58 PositionSensorMA700 ma700(16384,0.0,NPP); //shaorui add(12/10)
benkatz 20:bf9ea5125d52 59
benkatz 23:2adf23ee0305 60 volatile int count = 0;
benkatz 23:2adf23ee0305 61 volatile int state = REST_MODE;
benkatz 23:2adf23ee0305 62 volatile int state_change;
Rushu 49:7eac11914980 63 volatile float Joint_init =0; //Joint intial angle
Rushu 49:7eac11914980 64 volatile int J_M_flag = 0; // Joint motor angle combine
benkatz 20:bf9ea5125d52 65
benkatz 26:2b865c00d7e9 66 void onMsgReceived() {
benkatz 26:2b865c00d7e9 67 //msgAvailable = true;
benkatz 45:aadebe074af6 68
benkatz 26:2b865c00d7e9 69 can.read(rxMsg);
benkatz 28:8c7e29f719c5 70 if((rxMsg.id == CAN_ID)){
benkatz 28:8c7e29f719c5 71 controller.timeout = 0;
benkatz 28:8c7e29f719c5 72 if(((rxMsg.data[0]==0xFF) & (rxMsg.data[1]==0xFF) & (rxMsg.data[2]==0xFF) & (rxMsg.data[3]==0xFF) & (rxMsg.data[4]==0xFF) & (rxMsg.data[5]==0xFF) & (rxMsg.data[6]==0xFF) & (rxMsg.data[7]==0xFC))){
benkatz 28:8c7e29f719c5 73 state = MOTOR_MODE;
benkatz 28:8c7e29f719c5 74 state_change = 1;
benkatz 28:8c7e29f719c5 75 }
benkatz 28:8c7e29f719c5 76 else if(((rxMsg.data[0]==0xFF) & (rxMsg.data[1]==0xFF) & (rxMsg.data[2]==0xFF) & (rxMsg.data[3]==0xFF) * (rxMsg.data[4]==0xFF) & (rxMsg.data[5]==0xFF) & (rxMsg.data[6]==0xFF) & (rxMsg.data[7]==0xFD))){
benkatz 28:8c7e29f719c5 77 state = REST_MODE;
benkatz 28:8c7e29f719c5 78 state_change = 1;
benkatz 37:c0f352d6e8e3 79 gpio.led->write(0);;
benkatz 28:8c7e29f719c5 80 }
benkatz 28:8c7e29f719c5 81 else if(((rxMsg.data[0]==0xFF) & (rxMsg.data[1]==0xFF) & (rxMsg.data[2]==0xFF) & (rxMsg.data[3]==0xFF) * (rxMsg.data[4]==0xFF) & (rxMsg.data[5]==0xFF) & (rxMsg.data[6]==0xFF) & (rxMsg.data[7]==0xFE))){
benkatz 28:8c7e29f719c5 82 spi.ZeroPosition();
benkatz 28:8c7e29f719c5 83 }
benkatz 28:8c7e29f719c5 84 else if(state == MOTOR_MODE){
benkatz 28:8c7e29f719c5 85 unpack_cmd(rxMsg, &controller);
shaorui 48:1b51771c3647 86 /*
shaorui 48:1b51771c3647 87 if(controller.sidebct1!=controller.sidebct)
shaorui 48:1b51771c3647 88 {
shaorui 48:1b51771c3647 89 controller.sidebct1=controller.sidebct;
shaorui 48:1b51771c3647 90 ma700.WriteRegister(&controller);
shaorui 48:1b51771c3647 91 }
shaorui 48:1b51771c3647 92 */
benkatz 28:8c7e29f719c5 93 }
shaorui 48:1b51771c3647 94
benkatz 37:c0f352d6e8e3 95 pack_reply(&txMsg, controller.theta_mech, controller.dtheta_mech, controller.i_q_filt*KT_OUT);
benkatz 37:c0f352d6e8e3 96 can.write(txMsg);
benkatz 28:8c7e29f719c5 97 }
benkatz 26:2b865c00d7e9 98
benkatz 26:2b865c00d7e9 99 }
benkatz 26:2b865c00d7e9 100
benkatz 23:2adf23ee0305 101 void enter_menu_state(void){
benkatz 23:2adf23ee0305 102 printf("\n\r\n\r\n\r");
benkatz 23:2adf23ee0305 103 printf(" Commands:\n\r");
benkatz 44:efcde0af8390 104 wait_us(10);
benkatz 26:2b865c00d7e9 105 printf(" m - Motor Mode\n\r");
benkatz 44:efcde0af8390 106 wait_us(10);
benkatz 23:2adf23ee0305 107 printf(" c - Calibrate Encoder\n\r");
benkatz 44:efcde0af8390 108 wait_us(10);
shaorui 48:1b51771c3647 109 printf(" j - Joint Calibrate Encoder\n\r");
shaorui 48:1b51771c3647 110 wait_us(10);
shaorui 48:1b51771c3647 111 printf(" t - Joint test Encoder\n\r");
shaorui 48:1b51771c3647 112 wait_us(10);
benkatz 23:2adf23ee0305 113 printf(" s - Setup\n\r");
benkatz 44:efcde0af8390 114 wait_us(10);
benkatz 23:2adf23ee0305 115 printf(" e - Display Encoder\n\r");
benkatz 44:efcde0af8390 116 wait_us(10);
benkatz 37:c0f352d6e8e3 117 printf(" z - Set Zero Position\n\r");
benkatz 44:efcde0af8390 118 wait_us(10);
benkatz 23:2adf23ee0305 119 printf(" esc - Exit to Menu\n\r");
benkatz 44:efcde0af8390 120 wait_us(10);
benkatz 23:2adf23ee0305 121 state_change = 0;
benkatz 25:f5741040c4bb 122 gpio.enable->write(0);
benkatz 37:c0f352d6e8e3 123 gpio.led->write(0);
benkatz 23:2adf23ee0305 124 }
benkatz 24:58c2d7571207 125
benkatz 24:58c2d7571207 126 void enter_setup_state(void){
benkatz 24:58c2d7571207 127 printf("\n\r\n\r Configuration Options \n\r\n\n");
benkatz 44:efcde0af8390 128 wait_us(10);
benkatz 28:8c7e29f719c5 129 printf(" %-4s %-31s %-5s %-6s %-5s\n\r\n\r", "prefix", "parameter", "min", "max", "current value");
benkatz 44:efcde0af8390 130 wait_us(10);
benkatz 28:8c7e29f719c5 131 printf(" %-4s %-31s %-5s %-6s %.1f\n\r", "b", "Current Bandwidth (Hz)", "100", "2000", I_BW);
benkatz 44:efcde0af8390 132 wait_us(10);
benkatz 28:8c7e29f719c5 133 printf(" %-4s %-31s %-5s %-6s %-5i\n\r", "i", "CAN ID", "0", "127", CAN_ID);
benkatz 44:efcde0af8390 134 wait_us(10);
benkatz 28:8c7e29f719c5 135 printf(" %-4s %-31s %-5s %-6s %-5i\n\r", "m", "CAN Master ID", "0", "127", CAN_MASTER);
benkatz 44:efcde0af8390 136 wait_us(10);
benkatz 28:8c7e29f719c5 137 printf(" %-4s %-31s %-5s %-6s %.1f\n\r", "l", "Torque Limit (N-m)", "0.0", "18.0", TORQUE_LIMIT);
benkatz 44:efcde0af8390 138 wait_us(10);
benkatz 28:8c7e29f719c5 139 printf(" %-4s %-31s %-5s %-6s %d\n\r", "t", "CAN Timeout (cycles)(0 = none)", "0", "100000", CAN_TIMEOUT);
benkatz 44:efcde0af8390 140 wait_us(10);
benkatz 24:58c2d7571207 141 printf("\n\r To change a value, type 'prefix''value''ENTER'\n\r i.e. 'b1000''ENTER'\n\r\n\r");
benkatz 44:efcde0af8390 142 wait_us(10);
benkatz 24:58c2d7571207 143 state_change = 0;
benkatz 24:58c2d7571207 144 }
benkatz 22:60276ba87ac6 145
benkatz 23:2adf23ee0305 146 void enter_torque_mode(void){
benkatz 37:c0f352d6e8e3 147 controller.ovp_flag = 0;
benkatz 28:8c7e29f719c5 148 gpio.enable->write(1); // Enable gate drive
benkatz 28:8c7e29f719c5 149 reset_foc(&controller); // Tesets integrators, and other control loop parameters
benkatz 28:8c7e29f719c5 150 wait(.001);
benkatz 23:2adf23ee0305 151 controller.i_d_ref = 0;
benkatz 28:8c7e29f719c5 152 controller.i_q_ref = 0; // Current Setpoints
benkatz 37:c0f352d6e8e3 153 gpio.led->write(1); // Turn on status LED
benkatz 25:f5741040c4bb 154 state_change = 0;
benkatz 28:8c7e29f719c5 155 printf("\n\r Entering Motor Mode \n\r");
benkatz 23:2adf23ee0305 156 }
benkatz 22:60276ba87ac6 157
benkatz 23:2adf23ee0305 158 void calibrate(void){
benkatz 25:f5741040c4bb 159 gpio.enable->write(1); // Enable gate drive
benkatz 37:c0f352d6e8e3 160 gpio.led->write(1); // Turn on status LED
shaorui 53:32218a36df05 161 order_phases(&spi, &gpio, &controller, &prefs); // Check phase ordering
benkatz 25:f5741040c4bb 162 calibrate(&spi, &gpio, &controller, &prefs); // Perform calibration procedure
shaorui 48:1b51771c3647 163 //j_calibrate(&ma700,&spi, &gpio, &controller, &prefs);
shaorui 48:1b51771c3647 164 //j_calibrate(&ma700,&gpio, &controller, &prefs);
benkatz 37:c0f352d6e8e3 165 gpio.led->write(0);; // Turn off status LED
benkatz 23:2adf23ee0305 166 wait(.2);
benkatz 25:f5741040c4bb 167 gpio.enable->write(0); // Turn off gate drive
benkatz 23:2adf23ee0305 168 printf("\n\r Calibration complete. Press 'esc' to return to menu\n\r");
benkatz 23:2adf23ee0305 169 state_change = 0;
benkatz 23:2adf23ee0305 170 }
benkatz 23:2adf23ee0305 171
shaorui 48:1b51771c3647 172 void jocalibrate(void){
shaorui 48:1b51771c3647 173 gpio.enable->write(1); // Enable gate drive
shaorui 48:1b51771c3647 174 gpio.led->write(1); // Turn on status LED
Rushu 49:7eac11914980 175
Rushu 49:7eac11914980 176 //order_phases(&spi, &gpio, &controller, &prefs); // Check phase ordering
shaorui 48:1b51771c3647 177 //calibrate(&spi, &gpio, &controller, &prefs); // Perform calibration procedure
shaorui 48:1b51771c3647 178 //j_calibrate(&ma700,&spi, &gpio, &controller, &prefs);
shaorui 48:1b51771c3647 179 j_calibrate(&ma700,&gpio, &controller, &prefs);
Rushu 49:7eac11914980 180
Rushu 49:7eac11914980 181 /*************同时设置转子和关节零位置同步****************///暂时不需要,标定结束,按z归零
Rushu 49:7eac11914980 182 /*
Rushu 49:7eac11914980 183 spi.SetMechOffset(0);
Rushu 49:7eac11914980 184 ma700.SetMechOffset(0);
Rushu 49:7eac11914980 185 spi.Sample(DT);
Rushu 49:7eac11914980 186 ma700.Sample(DT);
Rushu 49:7eac11914980 187 wait_us(20);
Rushu 49:7eac11914980 188 M_OFFSET = spi.GetMechPosition();
Rushu 49:7eac11914980 189 JOINT_M_OFFSET =ma700.GetMechPosition();
Rushu 49:7eac11914980 190 if (!prefs.ready()) prefs.open();
Rushu 49:7eac11914980 191 prefs.flush(); // Write new prefs to flash
Rushu 49:7eac11914980 192 prefs.close();
Rushu 49:7eac11914980 193 prefs.load();
Rushu 49:7eac11914980 194 spi.SetMechOffset(M_OFFSET);
Rushu 49:7eac11914980 195 ma700.SetMechOffset(JOINT_M_OFFSET);
Rushu 49:7eac11914980 196 printf("\n\r Saved new zero position: %.4f\n\r\n\r", M_OFFSET);
Rushu 49:7eac11914980 197 printf("\n\r Saved new zero position1: %.4f\n\r\n\r", JOINT_M_OFFSET);
Rushu 49:7eac11914980 198 */
Rushu 49:7eac11914980 199 /*************同时设置转子和关节零位置同步****************/
Rushu 49:7eac11914980 200 gpio.led->write(0); // Turn off status LED
shaorui 48:1b51771c3647 201 wait(.2);
shaorui 48:1b51771c3647 202 gpio.enable->write(0); // Turn off gate drive
shaorui 48:1b51771c3647 203 printf("\n\r Calibration complete. Press 'esc' to return to menu\n\r");
shaorui 48:1b51771c3647 204 state_change = 0;
shaorui 48:1b51771c3647 205 }
shaorui 48:1b51771c3647 206
shaorui 48:1b51771c3647 207 void jointcalibrate(void){
shaorui 48:1b51771c3647 208 gpio.enable->write(1); // Enable gate drive
shaorui 48:1b51771c3647 209 gpio.led->write(1); // Turn on status LED
shaorui 48:1b51771c3647 210 //joint_calibrate (&ma700,&spi,&gpio,&controller,&prefs); // Perform calibration procedure
shaorui 48:1b51771c3647 211 gpio.led->write(0); // Turn off status LED
shaorui 48:1b51771c3647 212 wait(.2);
shaorui 48:1b51771c3647 213 gpio.enable->write(0);
shaorui 48:1b51771c3647 214
shaorui 48:1b51771c3647 215
shaorui 48:1b51771c3647 216
shaorui 48:1b51771c3647 217 /************Trajectory Planning******************************/
shaorui 48:1b51771c3647 218
shaorui 48:1b51771c3647 219
shaorui 48:1b51771c3647 220 // enter_torque_mode();
shaorui 48:1b51771c3647 221 state=MOTOR_MODE;
shaorui 48:1b51771c3647 222 state_change=1;
shaorui 48:1b51771c3647 223 //enter_torque_mode();
shaorui 48:1b51771c3647 224 count = 0;
shaorui 48:1b51771c3647 225 printf("test\n\r");
Rushu 49:7eac11914980 226 controller.p_des=0;
Rushu 49:7eac11914980 227 controller.v_des = 1.5f;
Rushu 49:7eac11914980 228 controller.kp = 0;
Rushu 49:7eac11914980 229 controller.kd = 5.0f;
Rushu 49:7eac11914980 230 controller.t_ff = 0;
shaorui 48:1b51771c3647 231 /*
shaorui 48:1b51771c3647 232 if((1.0f/GR)* spi.GetMechPosition()<=(2*PI))
shaorui 48:1b51771c3647 233 {
shaorui 48:1b51771c3647 234 controller.p_des=0;
shaorui 48:1b51771c3647 235 controller.v_des = 2.0f;
shaorui 48:1b51771c3647 236 controller.kp = 0;
shaorui 48:1b51771c3647 237 controller.kd = 5.0f;
shaorui 48:1b51771c3647 238 controller.t_ff = 0;
shaorui 48:1b51771c3647 239 wait(.5);
shaorui 48:1b51771c3647 240 *
shaorui 48:1b51771c3647 241 }
shaorui 48:1b51771c3647 242
shaorui 48:1b51771c3647 243
shaorui 48:1b51771c3647 244 ************Trajectory Planning*****************************/
shaorui 48:1b51771c3647 245
shaorui 48:1b51771c3647 246 // Turn off gate drive
shaorui 48:1b51771c3647 247 printf("\n\r Joint_Calibration complete. Press 'esc' to return to menu\n\r");
shaorui 48:1b51771c3647 248 //state_change = 0;
shaorui 48:1b51771c3647 249 }
shaorui 48:1b51771c3647 250
shaorui 48:1b51771c3647 251
shaorui 48:1b51771c3647 252
benkatz 23:2adf23ee0305 253 void print_encoder(void){
Rushu 52:d4d5e3414865 254 printf(" AS5147Mechanical Angle: %f Electrical Angle: %f Raw: %d\n\r", spi.GetMechPosition()*57.2957795, spi.GetElecPosition()*57.2957795, spi.GetRawPosition());
Rushu 52:d4d5e3414865 255 printf(" MA700:Mechanical Angle: %f Electrical Angle: %f Raw: %d\n\r", ma700.GetMechPosition()*57.2957795, ma700.GetElecPosition()*57.2957795, ma700.GetRawPosition());
Rushu 52:d4d5e3414865 256 printf(" Joint raw: %f Joint: %f Mech: %f\n\r", controller.theta_joint_raw*57.2957795, controller.theta_joint*57.2957795, controller.theta_mech*57.2957795);
Rushu 49:7eac11914980 257
Rushu 49:7eac11914980 258 // float m_position=controller.theta_mech*57.2957795;
Rushu 49:7eac11914980 259 // float j_position=-controller.theta_mech1*360/(2.0f*PI)-controller.theta_mech*360/(2.0f*PI)*GR;
Rushu 49:7eac11914980 260 // float j_position=-(controller.theta_mech1+controller.theta_mech)*2807.49319614;
Rushu 49:7eac11914980 261 wait(.5);
benkatz 22:60276ba87ac6 262 }
benkatz 20:bf9ea5125d52 263
benkatz 23:2adf23ee0305 264 /// Current Sampling Interrupt ///
benkatz 23:2adf23ee0305 265 /// This runs at 40 kHz, regardless of of the mode the controller is in ///
benkatz 2:8724412ad628 266 extern "C" void TIM1_UP_TIM10_IRQHandler(void) {
benkatz 2:8724412ad628 267 if (TIM1->SR & TIM_SR_UIF ) {
benkatz 23:2adf23ee0305 268
benkatz 23:2adf23ee0305 269 ///Sample current always ///
benkatz 25:f5741040c4bb 270 ADC1->CR2 |= 0x40000000; // Begin sample and conversion
benkatz 22:60276ba87ac6 271 //volatile int delay;
benkatz 20:bf9ea5125d52 272 //for (delay = 0; delay < 55; delay++);
Rushu 52:d4d5e3414865 273 spi.Sample(DT);
Rushu 52:d4d5e3414865 274 ma700.Sample(DT);
Rushu 52:d4d5e3414865 275
benkatz 37:c0f352d6e8e3 276 controller.adc2_raw = ADC2->DR; // Read ADC Data Registers
benkatz 23:2adf23ee0305 277 controller.adc1_raw = ADC1->DR;
benkatz 37:c0f352d6e8e3 278 controller.adc3_raw = ADC3->DR;
Rushu 52:d4d5e3414865 279 // sample position sensor
benkatz 37:c0f352d6e8e3 280 controller.theta_elec = spi.GetElecPosition();
Rushu 49:7eac11914980 281 // controller.theta_mech = (1.0f/GR)*spi.GetMechPosition();
benkatz 37:c0f352d6e8e3 282 controller.dtheta_mech = (1.0f/GR)*spi.GetMechVelocity();
benkatz 37:c0f352d6e8e3 283 controller.dtheta_elec = spi.GetElecVelocity();
benkatz 37:c0f352d6e8e3 284 controller.v_bus = 0.95f*controller.v_bus + 0.05f*((float)controller.adc3_raw)*V_SCALE;
shaorui 48:1b51771c3647 285
benkatz 20:bf9ea5125d52 286
shaorui 48:1b51771c3647 287 //////shaorui add for obtaining joint real position
shaorui 48:1b51771c3647 288 controller.theta_elec1 = ma700.GetElecPosition();
Rushu 49:7eac11914980 289 controller.theta_mech1 = (1.0f/GR)*ma700.GetMechPosition();
shaorui 55:489f01927025 290 controller.dtheta_mech1 =-(ma700.GetMechVelocity()+spi.GetMechVelocity());
shaorui 48:1b51771c3647 291 controller.dtheta_elec1 = ma700.GetElecVelocity();
Rushu 49:7eac11914980 292
Rushu 49:7eac11914980 293 ///hjb add joint angle
Rushu 49:7eac11914980 294 controller.theta_joint_raw= -(ma700.GetMechPosition()+spi.GetMechPosition());
Rushu 51:29e1686e8b3e 295 //if(controller.dtheta_mech>0) {controller.theta_joint_raw += PI/180.0f;} //compensate
Rushu 51:29e1686e8b3e 296 // else if(controller.dtheta_mech<0) {controller.theta_joint_raw -= PI/180.0f;}
Rushu 49:7eac11914980 297 if(controller.theta_joint_raw<0){controller.theta_joint_raw += 2.0f*PI;}
Rushu 52:d4d5e3414865 298 else if(controller.theta_joint_raw>=2.0f*PI){controller.theta_joint_raw -= 2.0f*PI;}
Rushu 52:d4d5e3414865 299
Rushu 52:d4d5e3414865 300 if(controller.theta_joint_raw<0){controller.theta_joint_raw += 2.0f*PI;} //may be still below 0
Rushu 52:d4d5e3414865 301 else if(controller.theta_joint_raw>=2.0f*PI){controller.theta_joint_raw -= 2.0f*PI;}
Rushu 49:7eac11914980 302
Rushu 49:7eac11914980 303 controller.theta_joint_raw_fil =0.99f*controller.theta_joint_raw_pre + 0.01f*controller.theta_joint_raw ;//filter
Rushu 49:7eac11914980 304 controller.theta_joint_raw_pre =controller.theta_joint_raw_fil;
Rushu 49:7eac11914980 305
Rushu 49:7eac11914980 306 //"rad 0~2pi" ("deg" =-(controller.theta_mech1+controller.theta_mech)*2807.49319614;
Rushu 49:7eac11914980 307 //int Ncycle=0;
Rushu 49:7eac11914980 308 //float Ncycle_mod = 0.0f;
Rushu 49:7eac11914980 309 //float Mech_mod = 0.0f;
Rushu 49:7eac11914980 310 controller.Ncycle = controller.theta_joint_raw/(2.0f*PI/GR);
Rushu 49:7eac11914980 311 controller.Ncycle_mod = fmod(controller.theta_joint_raw,2.0f*PI/GR);
Rushu 49:7eac11914980 312 controller.Mech_mod = fmod(spi.GetMechPosition(),2.0f*PI);
Rushu 52:d4d5e3414865 313
Rushu 52:d4d5e3414865 314 if(controller.Mech_mod<0){controller.Mech_mod += 2.0f*PI;}
Rushu 52:d4d5e3414865 315 else if(controller.Mech_mod>=2.0f*PI){controller.Mech_mod -= 2.0f*PI;}
Rushu 52:d4d5e3414865 316
Rushu 49:7eac11914980 317 controller.theta_joint= controller.Ncycle*(2.0f*PI/GR)+controller.Mech_mod/GR; //In the real use, should turn to the theta_mech
Rushu 52:d4d5e3414865 318 if(controller.theta_joint<0){controller.theta_joint += 2.0f*PI;}
Rushu 52:d4d5e3414865 319 else if(controller.theta_joint>=2.0f*PI){controller.theta_joint -= 2.0f*PI;}
Rushu 49:7eac11914980 320 if(J_M_flag == 0)
Rushu 49:7eac11914980 321 {
Rushu 51:29e1686e8b3e 322 if(0<abs(controller.Ncycle_mod*57.2957795-controller.Mech_mod*57.2957795/GR)<2)
Rushu 51:29e1686e8b3e 323 {
Rushu 51:29e1686e8b3e 324 if(0<abs((controller.theta_joint- controller.theta_joint_raw)*57.2957795)<2)
Rushu 51:29e1686e8b3e 325 {
Rushu 51:29e1686e8b3e 326 Joint_init = controller.theta_joint- (1.0f/GR)*spi.GetMechPosition();
Rushu 51:29e1686e8b3e 327 controller.theta_mech = controller.theta_joint;////controller.theta_joint; // easy way to use, whether available in the shock?
Rushu 51:29e1686e8b3e 328 J_M_flag = 1;
Rushu 51:29e1686e8b3e 329 }
Rushu 51:29e1686e8b3e 330 }
Rushu 49:7eac11914980 331 controller.theta_mech = controller.theta_joint_raw;
shaorui 55:489f01927025 332
Rushu 49:7eac11914980 333 }
Rushu 49:7eac11914980 334 else if(J_M_flag == 1)
Rushu 49:7eac11914980 335 {
Rushu 49:7eac11914980 336 controller.theta_mech = Joint_init + (1.0f/GR)*spi.GetMechPosition();
shaorui 55:489f01927025 337
shaorui 53:32218a36df05 338
Rushu 49:7eac11914980 339 }
Rushu 49:7eac11914980 340
Rushu 49:7eac11914980 341
shaorui 48:1b51771c3647 342 /////shaorui end//////////////////
shaorui 48:1b51771c3647 343 /*
shaorui 48:1b51771c3647 344 controller.c++;
shaorui 48:1b51771c3647 345 if(controller.c>=20000)
shaorui 48:1b51771c3647 346 {
shaorui 48:1b51771c3647 347 controller.cha=controller.init2-controller.init1;
shaorui 48:1b51771c3647 348 controller.init1=controller.init2;
shaorui 48:1b51771c3647 349 controller.c=0;
shaorui 48:1b51771c3647 350 printf("position: %.3f \n\r", controller.cha*360/(2.0f*PI));
shaorui 48:1b51771c3647 351 }
shaorui 48:1b51771c3647 352 */
benkatz 23:2adf23ee0305 353 /// Check state machine state, and run the appropriate function ///
benkatz 23:2adf23ee0305 354 switch(state){
benkatz 37:c0f352d6e8e3 355 case REST_MODE: // Do nothing
benkatz 23:2adf23ee0305 356 if(state_change){
benkatz 23:2adf23ee0305 357 enter_menu_state();
shaorui 48:1b51771c3647 358 wucha=0 ; //shaorui add
shaorui 53:32218a36df05 359 test_jointround_flag=0;
benkatz 23:2adf23ee0305 360 }
benkatz 23:2adf23ee0305 361 break;
benkatz 22:60276ba87ac6 362
benkatz 23:2adf23ee0305 363 case CALIBRATION_MODE: // Run encoder calibration procedure
benkatz 23:2adf23ee0305 364 if(state_change){
benkatz 23:2adf23ee0305 365 calibrate();
benkatz 23:2adf23ee0305 366 }
benkatz 23:2adf23ee0305 367 break;
benkatz 23:2adf23ee0305 368
shaorui 48:1b51771c3647 369 case J_CALIBRATION_MODE: // Run encoder calibration procedure
shaorui 48:1b51771c3647 370 if(state_change){
shaorui 48:1b51771c3647 371 jocalibrate();
shaorui 48:1b51771c3647 372
shaorui 48:1b51771c3647 373 }
shaorui 48:1b51771c3647 374 break;
shaorui 48:1b51771c3647 375
Rushu 49:7eac11914980 376 case TEST_TRAJECTORY_MODE: // Run encoder calibration procedure
shaorui 48:1b51771c3647 377 if(state_change){
Rushu 49:7eac11914980 378 test_jointround_flag=1;
shaorui 55:489f01927025 379 //J_M_flag = 0;
shaorui 48:1b51771c3647 380 stop_sign=0;
shaorui 48:1b51771c3647 381 jointcalibrate();
shaorui 48:1b51771c3647 382
shaorui 48:1b51771c3647 383 }
shaorui 48:1b51771c3647 384 break;
shaorui 48:1b51771c3647 385
shaorui 48:1b51771c3647 386
benkatz 26:2b865c00d7e9 387 case MOTOR_MODE: // Run torque control
benkatz 25:f5741040c4bb 388 if(state_change){
benkatz 25:f5741040c4bb 389 enter_torque_mode();
benkatz 28:8c7e29f719c5 390 count = 0;
benkatz 25:f5741040c4bb 391 }
benkatz 28:8c7e29f719c5 392 else{
benkatz 37:c0f352d6e8e3 393 /*
benkatz 37:c0f352d6e8e3 394 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
benkatz 37:c0f352d6e8e3 395 gpio.enable->write(0);
benkatz 37:c0f352d6e8e3 396 controller.ovp_flag = 1;
benkatz 37:c0f352d6e8e3 397 state = REST_MODE;
benkatz 37:c0f352d6e8e3 398 state_change = 1;
benkatz 37:c0f352d6e8e3 399 printf("OVP Triggered!\n\r");
benkatz 37:c0f352d6e8e3 400 }
benkatz 37:c0f352d6e8e3 401 */
benkatz 37:c0f352d6e8e3 402
shaorui 48:1b51771c3647 403 torque_control(&controller);
shaorui 55:489f01927025 404
benkatz 28:8c7e29f719c5 405 if((controller.timeout > CAN_TIMEOUT) && (CAN_TIMEOUT > 0)){
benkatz 28:8c7e29f719c5 406 controller.i_d_ref = 0;
benkatz 28:8c7e29f719c5 407 controller.i_q_ref = 0;
benkatz 37:c0f352d6e8e3 408 controller.kp = 0;
benkatz 37:c0f352d6e8e3 409 controller.kd = 0;
benkatz 37:c0f352d6e8e3 410 controller.t_ff = 0;
benkatz 28:8c7e29f719c5 411 }
shaorui 55:489f01927025 412
benkatz 37:c0f352d6e8e3 413 commutate(&controller, &observer, &gpio, controller.theta_elec); // Run current loop
benkatz 28:8c7e29f719c5 414 controller.timeout += 1;
benkatz 38:67e4e1453a4b 415
Rushu 49:7eac11914980 416
Rushu 49:7eac11914980 417 count++;
benkatz 39:3580a907ef93 418 /*
benkatz 40:cd7e837b2b93 419 if(count == 4000){
benkatz 40:cd7e837b2b93 420 printf("%.4f\n\r", controller.dtheta_mech);
benkatz 32:ccac5da77844 421 count = 0;
benkatz 23:2adf23ee0305 422 }
benkatz 39:3580a907ef93 423 */
benkatz 38:67e4e1453a4b 424
benkatz 37:c0f352d6e8e3 425
benkatz 37:c0f352d6e8e3 426 }
benkatz 23:2adf23ee0305 427 break;
benkatz 23:2adf23ee0305 428 case SETUP_MODE:
benkatz 23:2adf23ee0305 429 if(state_change){
benkatz 24:58c2d7571207 430 enter_setup_state();
benkatz 23:2adf23ee0305 431 }
benkatz 23:2adf23ee0305 432 break;
benkatz 23:2adf23ee0305 433 case ENCODER_MODE:
benkatz 23:2adf23ee0305 434 print_encoder();
benkatz 23:2adf23ee0305 435 break;
benkatz 37:c0f352d6e8e3 436 }
benkatz 2:8724412ad628 437 }
benkatz 23:2adf23ee0305 438 TIM1->SR = 0x0; // reset the status register
benkatz 2:8724412ad628 439 }
benkatz 0:4e1c4df6aabd 440
benkatz 25:f5741040c4bb 441
benkatz 24:58c2d7571207 442 char cmd_val[8] = {0};
benkatz 24:58c2d7571207 443 char cmd_id = 0;
benkatz 25:f5741040c4bb 444 char char_count = 0;
benkatz 24:58c2d7571207 445
benkatz 25:f5741040c4bb 446 /// Manage state machine with commands from serial terminal or configurator gui ///
benkatz 25:f5741040c4bb 447 /// Called when data received over serial ///
benkatz 23:2adf23ee0305 448 void serial_interrupt(void){
benkatz 23:2adf23ee0305 449 while(pc.readable()){
benkatz 23:2adf23ee0305 450 char c = pc.getc();
benkatz 25:f5741040c4bb 451 if(c == 27){
benkatz 25:f5741040c4bb 452 state = REST_MODE;
benkatz 25:f5741040c4bb 453 state_change = 1;
shaorui 53:32218a36df05 454 test_jointround_flag=0;
benkatz 25:f5741040c4bb 455 char_count = 0;
benkatz 25:f5741040c4bb 456 cmd_id = 0;
benkatz 37:c0f352d6e8e3 457 gpio.led->write(0);;
benkatz 25:f5741040c4bb 458 for(int i = 0; i<8; i++){cmd_val[i] = 0;}
benkatz 25:f5741040c4bb 459 }
benkatz 24:58c2d7571207 460 if(state == REST_MODE){
benkatz 23:2adf23ee0305 461 switch (c){
benkatz 23:2adf23ee0305 462 case 'c':
benkatz 23:2adf23ee0305 463 state = CALIBRATION_MODE;
benkatz 23:2adf23ee0305 464 state_change = 1;
benkatz 23:2adf23ee0305 465 break;
shaorui 48:1b51771c3647 466
shaorui 48:1b51771c3647 467 case 't':
Rushu 49:7eac11914980 468 state = TEST_TRAJECTORY_MODE;
shaorui 48:1b51771c3647 469 state_change = 1;
shaorui 48:1b51771c3647 470 break;
shaorui 48:1b51771c3647 471 case 'j':
shaorui 48:1b51771c3647 472 state = J_CALIBRATION_MODE;
shaorui 48:1b51771c3647 473 state_change = 1;
shaorui 48:1b51771c3647 474 break;
shaorui 48:1b51771c3647 475
benkatz 26:2b865c00d7e9 476 case 'm':
benkatz 26:2b865c00d7e9 477 state = MOTOR_MODE;
benkatz 23:2adf23ee0305 478 state_change = 1;
benkatz 23:2adf23ee0305 479 break;
benkatz 23:2adf23ee0305 480 case 'e':
benkatz 23:2adf23ee0305 481 state = ENCODER_MODE;
benkatz 23:2adf23ee0305 482 state_change = 1;
benkatz 23:2adf23ee0305 483 break;
benkatz 23:2adf23ee0305 484 case 's':
benkatz 23:2adf23ee0305 485 state = SETUP_MODE;
benkatz 23:2adf23ee0305 486 state_change = 1;
benkatz 23:2adf23ee0305 487 break;
shaorui 48:1b51771c3647 488
benkatz 37:c0f352d6e8e3 489 case 'z':
benkatz 37:c0f352d6e8e3 490 spi.SetMechOffset(0);
shaorui 48:1b51771c3647 491 ma700.SetMechOffset(0);
benkatz 45:aadebe074af6 492 spi.Sample(DT);
shaorui 48:1b51771c3647 493 ma700.Sample(DT);
benkatz 37:c0f352d6e8e3 494 wait_us(20);
benkatz 37:c0f352d6e8e3 495 M_OFFSET = spi.GetMechPosition();
shaorui 48:1b51771c3647 496 JOINT_M_OFFSET = ma700.GetMechPosition();
benkatz 37:c0f352d6e8e3 497 if (!prefs.ready()) prefs.open();
benkatz 37:c0f352d6e8e3 498 prefs.flush(); // Write new prefs to flash
benkatz 37:c0f352d6e8e3 499 prefs.close();
benkatz 37:c0f352d6e8e3 500 prefs.load();
benkatz 37:c0f352d6e8e3 501 spi.SetMechOffset(M_OFFSET);
shaorui 48:1b51771c3647 502 ma700.SetMechOffset(JOINT_M_OFFSET);
shaorui 53:32218a36df05 503 J_M_flag=0;
Rushu 49:7eac11914980 504 printf("\n\r Saved new M-J J-J zero position: %.4f %.4f\n\r\n\r", M_OFFSET, JOINT_M_OFFSET);
Rushu 49:7eac11914980 505 /*
shaorui 48:1b51771c3647 506 for(int i=0;i<300;i++)
shaorui 48:1b51771c3647 507 {
shaorui 48:1b51771c3647 508 printf("%.3d %.3d\n\r",i,__int_reg[i] );
shaorui 48:1b51771c3647 509 }
shaorui 48:1b51771c3647 510 for(int j=0;j<64;j++)
shaorui 48:1b51771c3647 511 {
shaorui 48:1b51771c3647 512 printf("%.3d %.3f\n\r",j,__float_reg[j] );
shaorui 48:1b51771c3647 513 }
Rushu 49:7eac11914980 514 */
benkatz 37:c0f352d6e8e3 515 break;
benkatz 37:c0f352d6e8e3 516 }
benkatz 37:c0f352d6e8e3 517
benkatz 24:58c2d7571207 518 }
benkatz 24:58c2d7571207 519 else if(state == SETUP_MODE){
benkatz 25:f5741040c4bb 520 if(c == 13){
benkatz 24:58c2d7571207 521 switch (cmd_id){
benkatz 24:58c2d7571207 522 case 'b':
benkatz 24:58c2d7571207 523 I_BW = fmaxf(fminf(atof(cmd_val), 2000.0f), 100.0f);
benkatz 24:58c2d7571207 524 break;
benkatz 24:58c2d7571207 525 case 'i':
benkatz 24:58c2d7571207 526 CAN_ID = atoi(cmd_val);
benkatz 24:58c2d7571207 527 break;
benkatz 26:2b865c00d7e9 528 case 'm':
benkatz 26:2b865c00d7e9 529 CAN_MASTER = atoi(cmd_val);
benkatz 26:2b865c00d7e9 530 break;
benkatz 24:58c2d7571207 531 case 'l':
benkatz 24:58c2d7571207 532 TORQUE_LIMIT = fmaxf(fminf(atof(cmd_val), 18.0f), 0.0f);
benkatz 24:58c2d7571207 533 break;
benkatz 28:8c7e29f719c5 534 case 't':
benkatz 28:8c7e29f719c5 535 CAN_TIMEOUT = atoi(cmd_val);
benkatz 28:8c7e29f719c5 536 break;
benkatz 24:58c2d7571207 537 default:
benkatz 24:58c2d7571207 538 printf("\n\r '%c' Not a valid command prefix\n\r\n\r", cmd_id);
benkatz 24:58c2d7571207 539 break;
benkatz 24:58c2d7571207 540 }
benkatz 24:58c2d7571207 541
benkatz 24:58c2d7571207 542 if (!prefs.ready()) prefs.open();
benkatz 24:58c2d7571207 543 prefs.flush(); // Write new prefs to flash
benkatz 24:58c2d7571207 544 prefs.close();
benkatz 24:58c2d7571207 545 prefs.load();
benkatz 24:58c2d7571207 546 state_change = 1;
benkatz 24:58c2d7571207 547 char_count = 0;
benkatz 24:58c2d7571207 548 cmd_id = 0;
benkatz 24:58c2d7571207 549 for(int i = 0; i<8; i++){cmd_val[i] = 0;}
benkatz 24:58c2d7571207 550 }
benkatz 24:58c2d7571207 551 else{
benkatz 24:58c2d7571207 552 if(char_count == 0){cmd_id = c;}
benkatz 24:58c2d7571207 553 else{
benkatz 24:58c2d7571207 554 cmd_val[char_count-1] = c;
benkatz 24:58c2d7571207 555
benkatz 24:58c2d7571207 556 }
benkatz 24:58c2d7571207 557 pc.putc(c);
benkatz 24:58c2d7571207 558 char_count++;
benkatz 23:2adf23ee0305 559 }
benkatz 23:2adf23ee0305 560 }
benkatz 24:58c2d7571207 561 else if (state == ENCODER_MODE){
benkatz 24:58c2d7571207 562 switch (c){
benkatz 24:58c2d7571207 563 case 27:
benkatz 24:58c2d7571207 564 state = REST_MODE;
benkatz 24:58c2d7571207 565 state_change = 1;
benkatz 24:58c2d7571207 566 break;
benkatz 24:58c2d7571207 567 }
benkatz 24:58c2d7571207 568 }
benkatz 24:58c2d7571207 569
benkatz 24:58c2d7571207 570 }
benkatz 22:60276ba87ac6 571 }
benkatz 0:4e1c4df6aabd 572
benkatz 0:4e1c4df6aabd 573 int main() {
benkatz 45:aadebe074af6 574
benkatz 20:bf9ea5125d52 575 controller.v_bus = V_BUS;
benkatz 22:60276ba87ac6 576 controller.mode = 0;
shaorui 48:1b51771c3647 577 controller.sidebct1=0;
benkatz 23:2adf23ee0305 578 Init_All_HW(&gpio); // Setup PWM, ADC, GPIO
benkatz 20:bf9ea5125d52 579
benkatz 9:d7eb815cb057 580 wait(.1);
benkatz 26:2b865c00d7e9 581 gpio.enable->write(1);
benkatz 45:aadebe074af6 582 TIM1->CCR3 = PWM_ARR*(1.0f); // Write duty cycles
benkatz 45:aadebe074af6 583 TIM1->CCR2 = PWM_ARR*(1.0f);
benkatz 45:aadebe074af6 584 TIM1->CCR1 = PWM_ARR*(1.0f);
benkatz 23:2adf23ee0305 585 zero_current(&controller.adc1_offset, &controller.adc2_offset); // Measure current sensor zero-offset
benkatz 26:2b865c00d7e9 586 gpio.enable->write(0);
benkatz 23:2adf23ee0305 587 reset_foc(&controller); // Reset current controller
benkatz 26:2b865c00d7e9 588 TIM1->CR1 ^= TIM_CR1_UDIS;
benkatz 26:2b865c00d7e9 589 //TIM1->CR1 |= TIM_CR1_UDIS; //enable interrupt
Rushu 54:4c9415402628 590 reset_foc(&controller); // Reset current controller
Rushu 54:4c9415402628 591 reset_observer(&observer); // Reset observer
benkatz 20:bf9ea5125d52 592 wait(.1);
shaorui 48:1b51771c3647 593 NVIC_SetPriority(TIM1_UP_TIM10_IRQn, 0); // commutation > communication
benkatz 43:dfb72608639c 594
benkatz 37:c0f352d6e8e3 595 NVIC_SetPriority(CAN1_RX0_IRQn, 3);
Rushu 52:d4d5e3414865 596 // If preferences haven't been user configured yet, set defaults
Rushu 52:d4d5e3414865 597 prefs.load(); // Read flash
Rushu 52:d4d5e3414865 598 can.filter(CAN_ID , 0xFFF, CANStandard, 0);
benkatz 28:8c7e29f719c5 599 txMsg.id = CAN_MASTER;
benkatz 28:8c7e29f719c5 600 txMsg.len = 6;
benkatz 26:2b865c00d7e9 601 rxMsg.len = 8;
Rushu 52:d4d5e3414865 602 can.attach(&onMsgReceived);
Rushu 52:d4d5e3414865 603
benkatz 37:c0f352d6e8e3 604 if(isnan(E_OFFSET)){E_OFFSET = 0.0f;}
benkatz 37:c0f352d6e8e3 605 if(isnan(M_OFFSET)){M_OFFSET = 0.0f;}
benkatz 25:f5741040c4bb 606 spi.SetElecOffset(E_OFFSET); // Set position sensor offset
benkatz 37:c0f352d6e8e3 607 spi.SetMechOffset(M_OFFSET);
Rushu 52:d4d5e3414865 608
Rushu 54:4c9415402628 609 // Set potision sensor nonlinearity lookup table
Rushu 54:4c9415402628 610 init_controller_params(&controller);
shaorui 53:32218a36df05 611 //pc.baud(460800);//pc.baud(921600);
shaorui 53:32218a36df05 612 pc.baud(115000);
Rushu 52:d4d5e3414865 613 //=====benk 2020 last version===//
Rushu 52:d4d5e3414865 614
Rushu 52:d4d5e3414865 615 spi.Sample(1.0f);
Rushu 52:d4d5e3414865 616 printf("MP: %.3f\n\r",spi.GetMechPosition());
Rushu 52:d4d5e3414865 617 if(spi.GetMechPosition() > 2.0f*PI){spi.SetMechOffset(M_OFFSET+2.0f*PI);} // now zeroes to +- 30 degrees about nominal, independent of rollover point
Rushu 52:d4d5e3414865 618 else if (spi.GetMechPosition() < 0){spi.SetMechOffset(M_OFFSET-2.0f*PI);}
Rushu 52:d4d5e3414865 619 //=====benk 2020 last version===//
Rushu 52:d4d5e3414865 620
Rushu 49:7eac11914980 621 if(isnan(JOINT_E_OFFSET)){JOINT_E_OFFSET = 0.0f;}
Rushu 49:7eac11914980 622 if(isnan(JOINT_M_OFFSET)){JOINT_M_OFFSET = 0.0f;}
Rushu 49:7eac11914980 623 ma700.SetElecOffset(JOINT_E_OFFSET); // Set position sensor offset
Rushu 49:7eac11914980 624 ma700.SetMechOffset(JOINT_M_OFFSET);
Rushu 52:d4d5e3414865 625 //=====benk 2020 last version===//
Rushu 52:d4d5e3414865 626 ma700.Sample(1.0f);
Rushu 52:d4d5e3414865 627 printf("JP: %.3f\n\r",ma700.GetMechPosition());
Rushu 52:d4d5e3414865 628 if(ma700.GetMechPosition() > 2.0f*PI){ma700.SetMechOffset(JOINT_M_OFFSET+2.0f*PI);} // now zeroes to +- 30 degrees about nominal, independent of rollover point
Rushu 52:d4d5e3414865 629 else if (ma700.GetMechPosition() < 0){ma700.SetMechOffset(JOINT_M_OFFSET-2.0f*PI);}
Rushu 52:d4d5e3414865 630
Rushu 52:d4d5e3414865 631 spi.Sample(1.0f);
Rushu 52:d4d5e3414865 632 ma700.Sample(1.0f);
Rushu 52:d4d5e3414865 633 printf("MP: %.3f JP: %.3f\n\r",spi.GetMechPosition(),ma700.GetMechPosition());
Rushu 52:d4d5e3414865 634
Rushu 52:d4d5e3414865 635 //=====benk 2020 last version===//
benkatz 23:2adf23ee0305 636 int lut[128] = {0};
Rushu 49:7eac11914980 637 int joint[128]={0}; //shaorui
benkatz 23:2adf23ee0305 638 memcpy(&lut, &ENCODER_LUT, sizeof(lut));
shaorui 48:1b51771c3647 639 spi.WriteLUT(lut);
shaorui 48:1b51771c3647 640 memcpy(&joint, &ENCODER_JOINT , sizeof(joint));
shaorui 53:32218a36df05 641 ma700.WriteLUT(joint);
Rushu 52:d4d5e3414865 642 // set serial baud rate
benkatz 20:bf9ea5125d52 643 wait(.01);
Rushu 52:d4d5e3414865 644 printf("MP: %.3f JP: %.3f\n\r",spi.GetMechPosition(),ma700.GetMechPosition());
Rushu 52:d4d5e3414865 645
Rushu 49:7eac11914980 646 pc.printf("\n\r\n\r QXSLAB Joint\n\r\n\r");
benkatz 20:bf9ea5125d52 647 wait(.01);
benkatz 23:2adf23ee0305 648 printf("\n\r Debug Info:\n\r");
benkatz 32:ccac5da77844 649 printf(" Firmware Version: %s\n\r", VERSION_NUM);
benkatz 23:2adf23ee0305 650 printf(" ADC1 Offset: %d ADC2 Offset: %d\n\r", controller.adc1_offset, controller.adc2_offset);
Rushu 52:d4d5e3414865 651 printf(" Position Sensor Electrical Offset: %.4f\n\r", E_OFFSET*57.2957795);
Rushu 52:d4d5e3414865 652 printf(" Output Zero Position: %.4f\n\r", M_OFFSET*57.2957795);
benkatz 24:58c2d7571207 653 printf(" CAN ID: %d\n\r", CAN_ID);
Rushu 49:7eac11914980 654
Rushu 49:7eac11914980 655 controller.theta_joint_raw_pre=-(ma700.GetMechPosition()+spi.GetMechPosition()); //hjb added, for joint encoder filter
benkatz 23:2adf23ee0305 656 pc.attach(&serial_interrupt); // attach serial interrupt
Rushu 49:7eac11914980 657 J_M_flag = 0;
shaorui 48:1b51771c3647 658 //state_change = 1;
benkatz 20:bf9ea5125d52 659
benkatz 22:60276ba87ac6 660
shaorui 48:1b51771c3647 661 while(1) {
Rushu 49:7eac11914980 662 // wait(.1);
shaorui 48:1b51771c3647 663 if(state == MOTOR_MODE)
shaorui 48:1b51771c3647 664 {
shaorui 55:489f01927025 665
shaorui 55:489f01927025 666
shaorui 55:489f01927025 667
Rushu 49:7eac11914980 668 if(controller.theta_joint_raw*57.2957795<=1)
shaorui 48:1b51771c3647 669 {
shaorui 55:489f01927025 670
shaorui 48:1b51771c3647 671 controller.v_des = 0;
shaorui 48:1b51771c3647 672 wait(1);
shaorui 48:1b51771c3647 673 controller.p_des=0;
shaorui 55:489f01927025 674 controller.v_des = 1.5f;
shaorui 48:1b51771c3647 675 controller.kp = 0;
shaorui 55:489f01927025 676 controller.kd = 5.0f;
shaorui 48:1b51771c3647 677 controller.t_ff = 0;
shaorui 48:1b51771c3647 678 wait(.5);
shaorui 48:1b51771c3647 679 }
shaorui 55:489f01927025 680
Rushu 49:7eac11914980 681 else if(controller.theta_joint_raw*57.2957795>=(359))
shaorui 48:1b51771c3647 682 {
shaorui 48:1b51771c3647 683 //stop_sign=1;
shaorui 48:1b51771c3647 684 controller.v_des = 0;
shaorui 48:1b51771c3647 685 wait(1);
shaorui 48:1b51771c3647 686 controller.p_des=0;
shaorui 55:489f01927025 687 controller.v_des = -1.5f;
shaorui 48:1b51771c3647 688 controller.kp = 0;
shaorui 55:489f01927025 689 controller.kd = 5.0f;
shaorui 48:1b51771c3647 690 controller.t_ff = 0;
shaorui 48:1b51771c3647 691 wait(.5);
shaorui 48:1b51771c3647 692 printf("test position:%.3f\n\r",(1.0f/GR)* spi.GetMechPosition());
shaorui 48:1b51771c3647 693
shaorui 55:489f01927025 694 }
shaorui 55:489f01927025 695
shaorui 48:1b51771c3647 696
shaorui 55:489f01927025 697 if(count >= 40000){
shaorui 55:489f01927025 698 printf("J_init: %.3f Pref: %.3f preal: %.3f JM: %.3d one: %.3f two: %.3f\n\r",Joint_init*57.2957795,(1.0f/GR)*spi.GetMechPosition()*57.2957795,controller.theta_mech*57.2957795,J_M_flag ,controller.Ncycle_mod*57.2957795-controller.Mech_mod*57.2957795/GR,(controller.theta_joint- controller.theta_joint_raw)*57.2957795);
shaorui 55:489f01927025 699 // printf("Pref: %.3f qian: %.3f hou: %.3f M: %.3d \n\r", (1.0f/GR)*spi.GetMechPosition()*57.2957795,controller.theta_joint_raw*57.2957795,controller.theta_mech*57.2957795,J_M_flag);
shaorui 55:489f01927025 700 // printf("v: %.3f v1: %.3f \n\r",controller.dtheta_mech*57.2957795,controller.dtheta_mech1*57.2957795);
Rushu 49:7eac11914980 701 count = 0;
Rushu 49:7eac11914980 702 }
shaorui 55:489f01927025 703
Rushu 49:7eac11914980 704 i++;
shaorui 48:1b51771c3647 705 }
shaorui 55:489f01927025 706 }
benkatz 0:4e1c4df6aabd 707 }