2011

Dependencies:   mbed FastPWM

Committer:
Lightvalve
Date:
Thu Sep 26 06:08:32 2019 +0000
Revision:
24:ef6e1092e9e6
Parent:
23:59218d4a256d
Child:
25:3e6b574cab5c
190926

Who changed what in which revision?

UserRevisionLine numberNew contents of line
GiJeongKim 0:51c43836c1d7 1 #include "mbed.h"
GiJeongKim 0:51c43836c1d7 2 #include "FastPWM.h"
GiJeongKim 0:51c43836c1d7 3 #include "INIT_HW.h"
jobuuu 2:a1c0a37df760 4 #include "function_CAN.h"
GiJeongKim 0:51c43836c1d7 5 #include "SPI_EEP_ENC.h"
GiJeongKim 0:51c43836c1d7 6 #include "I2C_AS5510.h"
GiJeongKim 0:51c43836c1d7 7 #include "setting.h"
Lightvalve 11:82d8768d7351 8 #include "function_utilities.h"
Lightvalve 16:903b5a4433b4 9 #include "stm32f4xx_flash.h"
Lightvalve 16:903b5a4433b4 10 #include "FlashWriter.h"
GiJeongKim 0:51c43836c1d7 11
jobuuu 7:e9086c72bb22 12 // dac & check ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 13 DigitalOut check(PC_2);
GiJeongKim 0:51c43836c1d7 14 DigitalOut check_2(PC_3);
GiJeongKim 0:51c43836c1d7 15 AnalogOut dac_1(PA_4);
GiJeongKim 0:51c43836c1d7 16 AnalogOut dac_2(PA_5);
Lightvalve 14:8e7590227d22 17 AnalogIn adc1(PC_4); //pressure_1
Lightvalve 14:8e7590227d22 18 AnalogIn adc2(PB_0); //pressure_2
Lightvalve 14:8e7590227d22 19 AnalogIn adc3(PC_1); //current
GiJeongKim 0:51c43836c1d7 20
Lightvalve 24:ef6e1092e9e6 21
jobuuu 7:e9086c72bb22 22 // PWM ///////////////////////////////////////////
jobuuu 2:a1c0a37df760 23 double dtc_v=0.0;
jobuuu 2:a1c0a37df760 24 double dtc_w=0.0;
GiJeongKim 0:51c43836c1d7 25
jobuuu 7:e9086c72bb22 26 // I2C ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 27 I2C i2c(PC_9,PA_8); // SDA, SCL (for K22F)
GiJeongKim 0:51c43836c1d7 28 const int i2c_slave_addr1 = 0x56;
GiJeongKim 0:51c43836c1d7 29 unsigned int value; // 10bit output of reading sensor AS5510
GiJeongKim 0:51c43836c1d7 30
jobuuu 7:e9086c72bb22 31 // SPI ///////////////////////////////////////////
Lightvalve 16:903b5a4433b4 32 //SPI eeprom(PB_15, PB_14, PB_13); // EEPROM //(SPI_MOSI, SPI_MISO, SPI_SCK);
Lightvalve 16:903b5a4433b4 33 //DigitalOut eeprom_cs(PB_12);
Lightvalve 16:903b5a4433b4 34 //FlashWriter writer(6);//2부터 7까지 되는듯 아마 sector
GiJeongKim 0:51c43836c1d7 35 SPI enc(PC_12,PC_11,PC_10);
GiJeongKim 0:51c43836c1d7 36 DigitalOut enc_cs(PD_2);
Lightvalve 11:82d8768d7351 37 DigitalOut LED(PA_15);
GiJeongKim 0:51c43836c1d7 38
jobuuu 7:e9086c72bb22 39 // UART ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 40 Serial pc(PA_9,PA_10); // _ UART
GiJeongKim 0:51c43836c1d7 41
jobuuu 7:e9086c72bb22 42 // CAN ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 43 CAN can(PB_8, PB_9, 1000000);
GiJeongKim 0:51c43836c1d7 44 CANMessage msg;
Lightvalve 11:82d8768d7351 45 void onMsgReceived()
Lightvalve 11:82d8768d7351 46 {
Lightvalve 11:82d8768d7351 47 CAN_RX_HANDLER();
Lightvalve 11:82d8768d7351 48 }
jobuuu 2:a1c0a37df760 49
jobuuu 7:e9086c72bb22 50 // Variables ///////////////////////////////////////////
jobuuu 7:e9086c72bb22 51 State pos;
jobuuu 7:e9086c72bb22 52 State vel;
jobuuu 7:e9086c72bb22 53 State Vout;
jobuuu 7:e9086c72bb22 54 State torq;
jobuuu 7:e9086c72bb22 55 State pres_A;
jobuuu 7:e9086c72bb22 56 State pres_B;
jobuuu 7:e9086c72bb22 57 State cur;
Lightvalve 14:8e7590227d22 58 State valve_pos;
Lightvalve 14:8e7590227d22 59
Lightvalve 14:8e7590227d22 60 State INIT_Vout;
Lightvalve 14:8e7590227d22 61 State INIT_Valve_Pos;
Lightvalve 14:8e7590227d22 62 State INIT_Pos;
Lightvalve 14:8e7590227d22 63 State INIT_torq;
jobuuu 5:a4319f79457b 64
jobuuu 5:a4319f79457b 65 double V_out=0.0;
jobuuu 5:a4319f79457b 66 double V_rem=0.0; // for anti-windup
jobuuu 5:a4319f79457b 67 double V_MAX = 12000.0; // Maximum Voltage : 12V = 12000mV
jobuuu 5:a4319f79457b 68
jobuuu 5:a4319f79457b 69 double PWM_out=0.0;
Lightvalve 12:6f2531038ea4 70
Lightvalve 17:1865016ca2e7 71 int timer_while = 0;
Lightvalve 17:1865016ca2e7 72 int while_index = 0;
Lightvalve 17:1865016ca2e7 73
Lightvalve 19:23b7c1ad8683 74
Lightvalve 19:23b7c1ad8683 75 extern int CID_RX_CMD;
Lightvalve 19:23b7c1ad8683 76 extern int CID_RX_REF_POSITION;
Lightvalve 19:23b7c1ad8683 77 extern int CID_RX_REF_TORQUE;
Lightvalve 19:23b7c1ad8683 78 extern int CID_RX_REF_PRES_DIFF;
Lightvalve 19:23b7c1ad8683 79 extern int CID_RX_REF_VOUT;
Lightvalve 19:23b7c1ad8683 80 extern int CID_RX_REF_VALVE_POSITION;
Lightvalve 19:23b7c1ad8683 81 extern int CID_RX_REF_CURRENT;
Lightvalve 19:23b7c1ad8683 82
Lightvalve 19:23b7c1ad8683 83 extern int CID_TX_INFO;
Lightvalve 19:23b7c1ad8683 84 extern int CID_TX_POSITION;
Lightvalve 19:23b7c1ad8683 85 extern int CID_TX_TORQUE;
Lightvalve 19:23b7c1ad8683 86 extern int CID_TX_PRES;
Lightvalve 19:23b7c1ad8683 87 extern int CID_TX_VOUT;
Lightvalve 19:23b7c1ad8683 88 extern int CID_TX_VALVE_POSITION;
Lightvalve 19:23b7c1ad8683 89
jobuuu 7:e9086c72bb22 90 // =============================================================================
jobuuu 7:e9086c72bb22 91 // =============================================================================
jobuuu 7:e9086c72bb22 92 // =============================================================================
jobuuu 7:e9086c72bb22 93
Lightvalve 12:6f2531038ea4 94 /*******************************************************************************
Lightvalve 12:6f2531038ea4 95 * REFERENCE MODE
Lightvalve 12:6f2531038ea4 96 ******************************************************************************/
Lightvalve 13:747daba9cf59 97 enum _REFERENCE_MODE {
Lightvalve 13:747daba9cf59 98 MODE_REF_NO_ACT = 0, //0
Lightvalve 12:6f2531038ea4 99 MODE_REF_DIRECT, //1
Lightvalve 12:6f2531038ea4 100 MODE_REF_COS_INC, //2
Lightvalve 12:6f2531038ea4 101 MODE_REF_LINE_INC, //3
Lightvalve 12:6f2531038ea4 102 MODE_REF_SIN_WAVE, //4
Lightvalve 12:6f2531038ea4 103 MODE_REF_SQUARE_WAVE, //5
Lightvalve 12:6f2531038ea4 104 };
Lightvalve 12:6f2531038ea4 105
Lightvalve 12:6f2531038ea4 106 /*******************************************************************************
Lightvalve 12:6f2531038ea4 107 * CONTROL MODE
Lightvalve 12:6f2531038ea4 108 ******************************************************************************/
Lightvalve 13:747daba9cf59 109 enum _CONTROL_MODE {
Lightvalve 12:6f2531038ea4 110 //control mode
Lightvalve 12:6f2531038ea4 111 MODE_NO_ACT = 0, //0
Lightvalve 12:6f2531038ea4 112 MODE_VALVE_OPEN_LOOP, //1
Lightvalve 12:6f2531038ea4 113 MODE_VALVE_POSITION_CONTROL, //2
Lightvalve 13:747daba9cf59 114
Lightvalve 12:6f2531038ea4 115 MODE_JOINT_POSITION_TORQUE_CONTROL_PWM, //3
Lightvalve 12:6f2531038ea4 116 MODE_JOINT_POSITION_TORQUE_CONTROL_VALVE_POSITION, //4
Lightvalve 12:6f2531038ea4 117 MODE_VALVE_POSITION_TORQUE_CONTROL_LEARNING, //5
Lightvalve 13:747daba9cf59 118
Lightvalve 12:6f2531038ea4 119 MODE_JOINT_POSITION_PRES_CONTROL_PWM, //6
Lightvalve 12:6f2531038ea4 120 MODE_JOINT_POSITION_PRES_CONTROL_VALVE_POSITION, //7
Lightvalve 12:6f2531038ea4 121 MODE_VALVE_POSITION_PRES_CONTROL_LEARNING, //8
Lightvalve 13:747daba9cf59 122
Lightvalve 12:6f2531038ea4 123 MODE_TEST_CURRENT_CONTROL, //9
Lightvalve 12:6f2531038ea4 124 MODE_TEST_PWM_CONTROL, //10
Lightvalve 21:e5f1a43ea6f9 125
Lightvalve 14:8e7590227d22 126 MODE_CURRENT_CONTROL, //11
Lightvalve 14:8e7590227d22 127 MODE_JOINT_POSITION_TORQUE_CONTROL_CURRENT, //12
Lightvalve 14:8e7590227d22 128 MODE_JOINT_POSITION_PRES_CONTROL_CURRENT, //13
Lightvalve 13:747daba9cf59 129
Lightvalve 12:6f2531038ea4 130 //utility
Lightvalve 12:6f2531038ea4 131 MODE_TORQUE_SENSOR_NULLING = 20, //20
Lightvalve 12:6f2531038ea4 132 MODE_VALVE_NULLING_AND_DEADZONE_SETTING, //21
Lightvalve 12:6f2531038ea4 133 MODE_FIND_HOME, //22
Lightvalve 12:6f2531038ea4 134 MODE_VALVE_GAIN_SETTING, //23
Lightvalve 12:6f2531038ea4 135 MODE_PRESSURE_SENSOR_NULLING, //24
Lightvalve 12:6f2531038ea4 136 MODE_PRESSURE_SENSOR_CALIB, //25
Lightvalve 12:6f2531038ea4 137 MODE_ROTARY_FRICTION_TUNING, //26
Lightvalve 13:747daba9cf59 138
Lightvalve 12:6f2531038ea4 139 MODE_DDV_POS_VS_PWM_ID = 30, //30
Lightvalve 12:6f2531038ea4 140 MODE_DDV_DEADZONE_AND_CENTER, //31
Lightvalve 12:6f2531038ea4 141 MODE_DDV_POS_VS_FLOWRATE, //32
Lightvalve 12:6f2531038ea4 142 };
Lightvalve 12:6f2531038ea4 143
GiJeongKim 0:51c43836c1d7 144 int main()
GiJeongKim 0:51c43836c1d7 145 {
jobuuu 6:df07d3491e3a 146 /*********************************
jobuuu 1:e04e563be5ce 147 *** Initialization
jobuuu 6:df07d3491e3a 148 *********************************/
Lightvalve 19:23b7c1ad8683 149 //LED = 1;
Lightvalve 19:23b7c1ad8683 150 //pc.baud(9600);
Lightvalve 21:e5f1a43ea6f9 151
GiJeongKim 0:51c43836c1d7 152 // i2c init
Lightvalve 8:5d2eebdad025 153 i2c.frequency(400 * 1000); // 0.4 mHz
Lightvalve 8:5d2eebdad025 154 wait_ms(2); // Power Up wait
Lightvalve 8:5d2eebdad025 155 look_for_hardware_i2c(); // Hardware present
Lightvalve 8:5d2eebdad025 156 init_as5510(i2c_slave_addr1);
Lightvalve 11:82d8768d7351 157 make_delay();
jobuuu 2:a1c0a37df760 158
GiJeongKim 0:51c43836c1d7 159 // // spi init
Lightvalve 16:903b5a4433b4 160 //eeprom.format(8,3);
Lightvalve 16:903b5a4433b4 161 //eeprom.frequency(5000000); //5M
GiJeongKim 0:51c43836c1d7 162 enc.format(8,0);
GiJeongKim 0:51c43836c1d7 163 enc.frequency(5000000); //5M
Lightvalve 11:82d8768d7351 164 make_delay();
Lightvalve 21:e5f1a43ea6f9 165
Lightvalve 16:903b5a4433b4 166 //rom
Lightvalve 19:23b7c1ad8683 167 ROM_CALL_DATA();
Lightvalve 16:903b5a4433b4 168 make_delay();
Lightvalve 13:747daba9cf59 169
GiJeongKim 0:51c43836c1d7 170 // ADC init
jobuuu 5:a4319f79457b 171 Init_ADC();
Lightvalve 11:82d8768d7351 172 make_delay();
jobuuu 2:a1c0a37df760 173
GiJeongKim 0:51c43836c1d7 174 // Pwm init
GiJeongKim 0:51c43836c1d7 175 Init_PWM();
GiJeongKim 0:51c43836c1d7 176 TIM4->CR1 ^= TIM_CR1_UDIS;
Lightvalve 11:82d8768d7351 177 make_delay();
Lightvalve 13:747daba9cf59 178
Lightvalve 11:82d8768d7351 179 // TMR3 init
Lightvalve 11:82d8768d7351 180 Init_TMR3();
Lightvalve 11:82d8768d7351 181 TIM3->CR1 ^= TIM_CR1_UDIS;
Lightvalve 11:82d8768d7351 182 make_delay();
Lightvalve 21:e5f1a43ea6f9 183
Lightvalve 20:806196fda269 184 // TMR5 init
Lightvalve 23:59218d4a256d 185 Init_TMR2();
Lightvalve 23:59218d4a256d 186 TIM2->CR1 ^= TIM_CR1_UDIS;
Lightvalve 20:806196fda269 187 make_delay();
Lightvalve 21:e5f1a43ea6f9 188
GiJeongKim 0:51c43836c1d7 189 // CAN
jobuuu 2:a1c0a37df760 190 can.attach(&CAN_RX_HANDLER);
Lightvalve 11:82d8768d7351 191 CAN_ID_INIT();
Lightvalve 11:82d8768d7351 192 make_delay();
Lightvalve 23:59218d4a256d 193
Lightvalve 23:59218d4a256d 194 //Timer priority
Lightvalve 23:59218d4a256d 195 NVIC_SetPriority(TIM3_IRQn, 2);
Lightvalve 23:59218d4a256d 196 NVIC_SetPriority(TIM2_IRQn, 3);
Lightvalve 23:59218d4a256d 197 NVIC_SetPriority(TIM4_IRQn, 4);
Lightvalve 23:59218d4a256d 198
Lightvalve 23:59218d4a256d 199 //can.reset();
Lightvalve 19:23b7c1ad8683 200 can.filter(msg.id, 0xFFFFF000, CANStandard);
Lightvalve 23:59218d4a256d 201
GiJeongKim 0:51c43836c1d7 202 // spi _ enc
GiJeongKim 0:51c43836c1d7 203 spi_enc_set_init();
Lightvalve 11:82d8768d7351 204 make_delay();
Lightvalve 13:747daba9cf59 205
Lightvalve 11:82d8768d7351 206 //DAC init
Lightvalve 16:903b5a4433b4 207 dac_1 = PRES_A_VREF / 3.3;
Lightvalve 16:903b5a4433b4 208 dac_2 = PRES_B_VREF / 3.3;
Lightvalve 11:82d8768d7351 209 make_delay();
Lightvalve 13:747daba9cf59 210
Lightvalve 19:23b7c1ad8683 211 for (int i=0; i<50; i++) {
Lightvalve 11:82d8768d7351 212 if(i%2==0)
Lightvalve 11:82d8768d7351 213 ID_index_array[i] = - i * 0.5;
Lightvalve 11:82d8768d7351 214 else
Lightvalve 11:82d8768d7351 215 ID_index_array[i] = (i+1) * 0.5;
Lightvalve 11:82d8768d7351 216 }
Lightvalve 13:747daba9cf59 217
jobuuu 6:df07d3491e3a 218 /************************************
jobuuu 1:e04e563be5ce 219 *** Program is operating!
jobuuu 6:df07d3491e3a 220 *************************************/
GiJeongKim 0:51c43836c1d7 221 while(1) {
Lightvalve 21:e5f1a43ea6f9 222 if(timer_while==1000) {
Lightvalve 17:1865016ca2e7 223 //i2c
Lightvalve 17:1865016ca2e7 224 read_field(i2c_slave_addr1);
Lightvalve 17:1865016ca2e7 225 if(DIR_VALVE_ENC < 0) value = 1023 - value;
Lightvalve 21:e5f1a43ea6f9 226
Lightvalve 19:23b7c1ad8683 227 // if(LED==1) {
Lightvalve 19:23b7c1ad8683 228 // LED=0;
Lightvalve 19:23b7c1ad8683 229 // } else
Lightvalve 19:23b7c1ad8683 230 // LED = 1;
Lightvalve 17:1865016ca2e7 231 timer_while = 0;
Lightvalve 21:e5f1a43ea6f9 232
Lightvalve 17:1865016ca2e7 233 }
Lightvalve 17:1865016ca2e7 234 timer_while ++;
GiJeongKim 0:51c43836c1d7 235 }
jobuuu 1:e04e563be5ce 236 }
jobuuu 1:e04e563be5ce 237
Lightvalve 14:8e7590227d22 238 int DDV_JOINT_POS_FF(double REF_JOINT_VEL)
Lightvalve 14:8e7590227d22 239 {
Lightvalve 14:8e7590227d22 240
Lightvalve 13:747daba9cf59 241 int i = 0;
Lightvalve 13:747daba9cf59 242 int Ref_Valve_Pos_FF = DDV_CENTER;
Lightvalve 14:8e7590227d22 243 for(i=0; i<VALVE_POS_NUM; i++) {
Lightvalve 14:8e7590227d22 244 if(REF_JOINT_VEL >= min(JOINT_VEL[i],JOINT_VEL[i+1]) && REF_JOINT_VEL <= max(JOINT_VEL[i],JOINT_VEL[i+1])) {
Lightvalve 14:8e7590227d22 245 if(i==0) {
Lightvalve 19:23b7c1ad8683 246 Ref_Valve_Pos_FF = ((int) 10.0/(JOINT_VEL[i+1] - JOINT_VEL[i]) * (REF_JOINT_VEL - JOINT_VEL[i])) + DDV_CENTER;
Lightvalve 14:8e7590227d22 247 } else {
Lightvalve 19:23b7c1ad8683 248 Ref_Valve_Pos_FF = ((int) 10.0*(ID_index_array[i+1] - ID_index_array[i-1])/(JOINT_VEL[i+1] - JOINT_VEL[i-1]) * (REF_JOINT_VEL - JOINT_VEL[i-1])) + DDV_CENTER + 10*ID_index_array[i-1];
Lightvalve 13:747daba9cf59 249 }
Lightvalve 13:747daba9cf59 250 break;
Lightvalve 13:747daba9cf59 251 }
Lightvalve 13:747daba9cf59 252 }
Lightvalve 14:8e7590227d22 253 if(REF_JOINT_VEL > max(JOINT_VEL[VALVE_POS_NUM-1], JOINT_VEL[VALVE_POS_NUM-2])) {
Lightvalve 13:747daba9cf59 254 Ref_Valve_Pos_FF = VALVE_MAX_POS;
Lightvalve 14:8e7590227d22 255 } else if(REF_JOINT_VEL < min(JOINT_VEL[VALVE_POS_NUM-1], JOINT_VEL[VALVE_POS_NUM-2])) {
Lightvalve 13:747daba9cf59 256 Ref_Valve_Pos_FF = VALVE_MIN_POS;
Lightvalve 13:747daba9cf59 257 }
Lightvalve 19:23b7c1ad8683 258 Ref_Valve_Pos_FF_CAN = Ref_Valve_Pos_FF;
Lightvalve 13:747daba9cf59 259 return Ref_Valve_Pos_FF;
Lightvalve 13:747daba9cf59 260 }
jobuuu 6:df07d3491e3a 261
jobuuu 6:df07d3491e3a 262
Lightvalve 14:8e7590227d22 263 void VALVE_POS_CONTROL(double REF_VALVE_POS)
Lightvalve 14:8e7590227d22 264 {
Lightvalve 13:747daba9cf59 265 int i = 0;
Lightvalve 13:747daba9cf59 266
Lightvalve 13:747daba9cf59 267 valve_pos_err = REF_VALVE_POS - value;
Lightvalve 13:747daba9cf59 268 valve_pos_err_diff = valve_pos_err - valve_pos_err_old;
Lightvalve 13:747daba9cf59 269 valve_pos_err_old = valve_pos_err;
Lightvalve 13:747daba9cf59 270 valve_pos_err_sum += valve_pos_err;
Lightvalve 13:747daba9cf59 271 if (valve_pos_err_sum > 1000) valve_pos_err_sum = 1000;
Lightvalve 13:747daba9cf59 272 if (valve_pos_err_sum<-1000) valve_pos_err_sum = -1000;
Lightvalve 13:747daba9cf59 273
Lightvalve 13:747daba9cf59 274 VALVE_PWM_RAW_FB = P_GAIN_VALVE_POSITION * valve_pos_err + I_GAIN_VALVE_POSITION * valve_pos_err_sum + D_GAIN_VALVE_POSITION * valve_pos_err_diff;
Lightvalve 14:8e7590227d22 275
Lightvalve 14:8e7590227d22 276 if(REF_VALVE_POS > VALVE_MAX_POS) {
Lightvalve 13:747daba9cf59 277 REF_VALVE_POS = VALVE_MAX_POS;
Lightvalve 14:8e7590227d22 278 } else if(REF_VALVE_POS < VALVE_MIN_POS) {
Lightvalve 13:747daba9cf59 279 REF_VALVE_POS = VALVE_MIN_POS;
Lightvalve 13:747daba9cf59 280 }
Lightvalve 23:59218d4a256d 281
Lightvalve 23:59218d4a256d 282
Lightvalve 23:59218d4a256d 283 // if(REF_VALVE_POS >= VALVE_POS_VS_PWM[0])
Lightvalve 23:59218d4a256d 284 // {
Lightvalve 23:59218d4a256d 285 // if(REF_VALVE_POS <= VALVE_POS_VS_PWM[1]) {
Lightvalve 23:59218d4a256d 286 // VALVE_PWM_RAW_FF = (double) 3000.0 / (double) (VALVE_POS_VS_PWM[1] - VALVE_POS_VS_PWM[0]) * ((double) REF_VALVE_POS - VALVE_POS_VS_PWM[0]);
Lightvalve 23:59218d4a256d 287 // }else if(REF_VALVE_POS <= VALVE_POS_VS_PWM[3]) {
Lightvalve 23:59218d4a256d 288 // VALVE_PWM_RAW_FF = (double) 3000.0 / (double) (VALVE_POS_VS_PWM[3] - VALVE_POS_VS_PWM[1]) * ((double) REF_VALVE_POS - VALVE_POS_VS_PWM[1]) + 3000.0* (double) ID_index_array[1];
Lightvalve 23:59218d4a256d 289 // }else if(REF_VALVE_POS <= VALVE_POS_VS_PWM[5]) {
Lightvalve 23:59218d4a256d 290 // VALVE_PWM_RAW_FF = (double) 3000.0 / (double) (VALVE_POS_VS_PWM[5] - VALVE_POS_VS_PWM[3]) * ((double) REF_VALVE_POS - VALVE_POS_VS_PWM[3]) + 3000.0* (double) ID_index_array[3];
Lightvalve 23:59218d4a256d 291 // }else if(REF_VALVE_POS <= VALVE_POS_VS_PWM[7]) {
Lightvalve 23:59218d4a256d 292 // VALVE_PWM_RAW_FF = (double) 3000.0 / (double) (VALVE_POS_VS_PWM[7] - VALVE_POS_VS_PWM[5]) * ((double) REF_VALVE_POS - VALVE_POS_VS_PWM[5]) + 3000.0* (double) ID_index_array[5];
Lightvalve 23:59218d4a256d 293 // }else
Lightvalve 23:59218d4a256d 294 // VALVE_PWM_RAW_FF = 12000.0;
Lightvalve 23:59218d4a256d 295 // }
Lightvalve 23:59218d4a256d 296 // else
Lightvalve 23:59218d4a256d 297 // {
Lightvalve 23:59218d4a256d 298 // if(REF_VALVE_POS >= VALVE_POS_VS_PWM[2]) {
Lightvalve 23:59218d4a256d 299 // VALVE_PWM_RAW_FF = (double) 3000.0 / (double) (VALVE_POS_VS_PWM[0] - VALVE_POS_VS_PWM[2]) * ((double) REF_VALVE_POS - VALVE_POS_VS_PWM[2]) + 3000.0* (double) ID_index_array[2];
Lightvalve 23:59218d4a256d 300 // }else if(REF_VALVE_POS >= VALVE_POS_VS_PWM[4]) {
Lightvalve 23:59218d4a256d 301 // VALVE_PWM_RAW_FF = (double) 3000.0 / (double) (VALVE_POS_VS_PWM[2] - VALVE_POS_VS_PWM[4]) * ((double) REF_VALVE_POS - VALVE_POS_VS_PWM[4]) + 3000.0* (double) ID_index_array[4];
Lightvalve 23:59218d4a256d 302 // }else if(REF_VALVE_POS >= VALVE_POS_VS_PWM[6]) {
Lightvalve 23:59218d4a256d 303 // VALVE_PWM_RAW_FF = (double) 3000.0 / (double) (VALVE_POS_VS_PWM[4] - VALVE_POS_VS_PWM[6]) * ((double) REF_VALVE_POS - VALVE_POS_VS_PWM[6]) + 3000.0* (double) ID_index_array[6];
Lightvalve 23:59218d4a256d 304 // }else if(REF_VALVE_POS >= VALVE_POS_VS_PWM[8]) {
Lightvalve 23:59218d4a256d 305 // VALVE_PWM_RAW_FF = (double) 3000.0 / (double) (VALVE_POS_VS_PWM[6] - VALVE_POS_VS_PWM[8]) * ((double) REF_VALVE_POS - VALVE_POS_VS_PWM[8]) + 3000.0* (double) ID_index_array[8];
Lightvalve 23:59218d4a256d 306 // }else
Lightvalve 23:59218d4a256d 307 // VALVE_PWM_RAW_FF = -12000.0;
Lightvalve 23:59218d4a256d 308 // }
Lightvalve 14:8e7590227d22 309
Lightvalve 18:b8adf1582ea3 310 for(i=0; i<24; i++) {
Lightvalve 14:8e7590227d22 311 if(REF_VALVE_POS >= min(VALVE_POS_VS_PWM[i],VALVE_POS_VS_PWM[i+1]) && REF_VALVE_POS <= max(VALVE_POS_VS_PWM[i],VALVE_POS_VS_PWM[i+1])) {
Lightvalve 14:8e7590227d22 312 if(i==0) {
Lightvalve 18:b8adf1582ea3 313 VALVE_PWM_RAW_FF = (double) 1000.0 / (double) (VALVE_POS_VS_PWM[i+1] - VALVE_POS_VS_PWM[i]) * ((double) REF_VALVE_POS - VALVE_POS_VS_PWM[i]);
Lightvalve 14:8e7590227d22 314 } else {
Lightvalve 18:b8adf1582ea3 315 VALVE_PWM_RAW_FF = (double) 1000.0* (double) (ID_index_array[i+1] - ID_index_array[i-1])/(VALVE_POS_VS_PWM[i+1] - VALVE_POS_VS_PWM[i-1]) * ((double) REF_VALVE_POS - VALVE_POS_VS_PWM[i-1]) + 1000.0* (double) ID_index_array[i-1];
Lightvalve 13:747daba9cf59 316 }
Lightvalve 13:747daba9cf59 317 break;
Lightvalve 13:747daba9cf59 318 }
Lightvalve 13:747daba9cf59 319 }
Lightvalve 19:23b7c1ad8683 320
Lightvalve 14:8e7590227d22 321 V_out = VALVE_PWM_RAW_FF + VALVE_PWM_RAW_FB;
Lightvalve 13:747daba9cf59 322 }
Lightvalve 13:747daba9cf59 323
Lightvalve 14:8e7590227d22 324 #define LT_MAX_IDX 57
Lightvalve 14:8e7590227d22 325 double LT_PWM_duty[LT_MAX_IDX] = {-100.0, -80.0, -60.0, -50.0, -40.0, -35.0, -30.0, -25.0, -20.0,
Lightvalve 14:8e7590227d22 326 -19.0, -18.0, -17.0, -16.0, -15.0, -14.0, -13.0, -12.0, -11.0, -10.0,
Lightvalve 14:8e7590227d22 327 -9.0, -8.0, -7.0, -6.0, -5.0, -4.0, -3.0, -2.0, -1.0, 0.0,
Lightvalve 14:8e7590227d22 328 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10.0,
Lightvalve 14:8e7590227d22 329 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0, 20.0,
Lightvalve 14:8e7590227d22 330 25.0, 30.0, 35.0, 40.0, 50.0, 60.0, 80.0, 100.0
Lightvalve 14:8e7590227d22 331 }; // duty
Lightvalve 14:8e7590227d22 332 double LT_Voltage_Output[LT_MAX_IDX] = {-321.4, -291.3, -261.5, -246.8, -231.7, -223.9, -216.1, -207.9, -198.8,
Lightvalve 14:8e7590227d22 333 -196.9, -195.0, -192.5, -188.8, -184.5, -180.2, -175.9, -171.5, -166.3, -161.0,
Lightvalve 14:8e7590227d22 334 -156.0, -149.5, -139.0, -126.0, -107.0, -87.5, -64.0, -38.5, -9.4, 0.0,
Lightvalve 14:8e7590227d22 335 12.0, 43.5, 69.0, 94.0, 114.0, 132.0, 146.0, 155.5, 162.3, 168.2,
Lightvalve 14:8e7590227d22 336 173.1, 178.2, 182.8, 187.4, 191.8, 196.0, 199.7, 201.9, 203.8, 205.6,
Lightvalve 14:8e7590227d22 337 214.6, 222.5, 230.4, 238.2, 253.3, 268.0, 297.6, 327.7
Lightvalve 14:8e7590227d22 338 }; // mV
Lightvalve 13:747daba9cf59 339
Lightvalve 14:8e7590227d22 340 double PWM_duty_byLT(double Ref_V)
Lightvalve 14:8e7590227d22 341 {
Lightvalve 13:747daba9cf59 342 double PWM_duty = 0.0;
Lightvalve 13:747daba9cf59 343 if(Ref_V<LT_Voltage_Output[0]) {
Lightvalve 13:747daba9cf59 344 PWM_duty = (Ref_V-LT_Voltage_Output[0])/1.5+LT_PWM_duty[0];
Lightvalve 13:747daba9cf59 345 } else if (Ref_V>=LT_Voltage_Output[LT_MAX_IDX-1]) {
Lightvalve 13:747daba9cf59 346 PWM_duty = (Ref_V-LT_Voltage_Output[LT_MAX_IDX-1])/1.5+LT_PWM_duty[LT_MAX_IDX-1];
Lightvalve 13:747daba9cf59 347 } else {
Lightvalve 13:747daba9cf59 348 int idx = 0;
Lightvalve 13:747daba9cf59 349 for(idx=0; idx<LT_MAX_IDX-1; idx++) {
Lightvalve 13:747daba9cf59 350 double ini_x = LT_Voltage_Output[idx];
Lightvalve 13:747daba9cf59 351 double fin_x = LT_Voltage_Output[idx+1];
Lightvalve 13:747daba9cf59 352 double ini_y = LT_PWM_duty[idx];
Lightvalve 13:747daba9cf59 353 double fin_y = LT_PWM_duty[idx+1];
Lightvalve 13:747daba9cf59 354 if(Ref_V>=ini_x && Ref_V<fin_x) {
Lightvalve 13:747daba9cf59 355 PWM_duty = (fin_y-ini_y)/(fin_x-ini_x)*(Ref_V-ini_x) + ini_y;
Lightvalve 13:747daba9cf59 356 break;
Lightvalve 13:747daba9cf59 357 }
Lightvalve 13:747daba9cf59 358 }
Lightvalve 13:747daba9cf59 359 }
Lightvalve 14:8e7590227d22 360
Lightvalve 13:747daba9cf59 361 return PWM_duty;
Lightvalve 13:747daba9cf59 362 }
jobuuu 6:df07d3491e3a 363
jobuuu 2:a1c0a37df760 364 /*******************************************************************************
jobuuu 2:a1c0a37df760 365 TIMER INTERRUPT
jobuuu 2:a1c0a37df760 366 *******************************************************************************/
jobuuu 2:a1c0a37df760 367
Lightvalve 19:23b7c1ad8683 368 //unsigned long CNT_TMR4 = 0;
Lightvalve 17:1865016ca2e7 369 double FREQ_TMR4 = (double)FREQ_10k;
Lightvalve 17:1865016ca2e7 370 double DT_TMR4 = (double)DT_10k;
jobuuu 1:e04e563be5ce 371 extern "C" void TIM4_IRQHandler(void)
jobuuu 1:e04e563be5ce 372 {
Lightvalve 23:59218d4a256d 373
Lightvalve 19:23b7c1ad8683 374 if (TIM4->SR & TIM_SR_UIF ) {
Lightvalve 21:e5f1a43ea6f9 375
Lightvalve 21:e5f1a43ea6f9 376 /*******************************************************
Lightvalve 21:e5f1a43ea6f9 377 *** Sensor Read & Data Handling
Lightvalve 21:e5f1a43ea6f9 378 ********************************************************/
Lightvalve 13:747daba9cf59 379
Lightvalve 19:23b7c1ad8683 380
Lightvalve 21:e5f1a43ea6f9 381 //Using LoadCell
Lightvalve 15:bd0d12728506 382 // ADC1->CR2 |= 0x40000000; // adc _ 12bit
Lightvalve 15:bd0d12728506 383 // //while((ADC1->SR & 0b10));
Lightvalve 15:bd0d12728506 384 // double alpha_update_torque = 1.0/(1.0+(FREQ_TMR4/2.0)/(2.0*3.14*1000.0));
Lightvalve 15:bd0d12728506 385 // double torque_new = ((double)ADC1->DR - PRES_A_NULL) / TORQUE_SENSOR_PULSE_PER_TORQUE + 1.0;
Lightvalve 15:bd0d12728506 386 // torq.sen = torq.sen*(1.0-alpha_update_torque)+torque_new*(alpha_update_torque);
Lightvalve 17:1865016ca2e7 387
Lightvalve 19:23b7c1ad8683 388
Lightvalve 17:1865016ca2e7 389
Lightvalve 21:e5f1a43ea6f9 390 //Pressure sensor A
Lightvalve 21:e5f1a43ea6f9 391 ADC1->CR2 |= 0x40000000; // adc _ 12bit
Lightvalve 21:e5f1a43ea6f9 392 //while((ADC1->SR & 0b10));
Lightvalve 21:e5f1a43ea6f9 393 double alpha_update_pres_A = 1.0/(1.0+(FREQ_TMR4/2.0)/(2.0*3.14*1000.0));
Lightvalve 21:e5f1a43ea6f9 394 double pres_A_new = ((double)ADC1->DR - PRES_A_NULL) / PRES_SENSOR_A_PULSE_PER_BAR;
Lightvalve 21:e5f1a43ea6f9 395 pres_A.sen = pres_A.sen*(1.0-alpha_update_pres_A)+pres_A_new*(alpha_update_pres_A);
Lightvalve 19:23b7c1ad8683 396
Lightvalve 21:e5f1a43ea6f9 397 //Pressure sensor 1B
Lightvalve 21:e5f1a43ea6f9 398 //ADC2->CR2 |= 0x40000000; // adc _ 12bit
Lightvalve 21:e5f1a43ea6f9 399 //while((ADC2->SR & 0b10));
Lightvalve 21:e5f1a43ea6f9 400 double alpha_update_pres_B = 1.0/(1.0+(FREQ_TMR4/2.0)/(2.0*3.14*1000.0));
Lightvalve 21:e5f1a43ea6f9 401 double pres_B_new = ((double)ADC2->DR - PRES_B_NULL) / PRES_SENSOR_B_PULSE_PER_BAR;
Lightvalve 21:e5f1a43ea6f9 402 pres_B.sen = pres_B.sen*(1.0-alpha_update_pres_B)+pres_B_new*(alpha_update_pres_B);
Lightvalve 21:e5f1a43ea6f9 403 torq.sen = pres_A.sen * (double) PISTON_AREA_A - pres_B.sen * (double) PISTON_AREA_B;
Lightvalve 17:1865016ca2e7 404
Lightvalve 17:1865016ca2e7 405
Lightvalve 17:1865016ca2e7 406
Lightvalve 21:e5f1a43ea6f9 407 //Current
Lightvalve 21:e5f1a43ea6f9 408 //ADC3->CR2 |= 0x40000000; // adc _ 12bit
Lightvalve 11:82d8768d7351 409 // a1=ADC2->DR;
Lightvalve 21:e5f1a43ea6f9 410 int raw_cur = ADC3->DR;
Lightvalve 21:e5f1a43ea6f9 411 //while((ADC3->SR & 0b10));
Lightvalve 21:e5f1a43ea6f9 412 double alpha_update_cur = 1.0/(1.0+(FREQ_TMR4/2.0)/(2.0*3.14*1000.0)); // f_cutoff : 500Hz
Lightvalve 21:e5f1a43ea6f9 413 double cur_new = ((double)ADC3->DR-2048.0)*20.0/4096.0; // unit : mA
Lightvalve 21:e5f1a43ea6f9 414 cur.sen=cur.sen*(1.0-alpha_update_cur)+cur_new*(alpha_update_cur);
Lightvalve 21:e5f1a43ea6f9 415 cur.sen = raw_cur;
Lightvalve 17:1865016ca2e7 416
Lightvalve 21:e5f1a43ea6f9 417 /*******************************************************
Lightvalve 21:e5f1a43ea6f9 418 *** Timer Counting & etc.
Lightvalve 21:e5f1a43ea6f9 419 ********************************************************/
Lightvalve 21:e5f1a43ea6f9 420 //CNT_TMR4++;
Lightvalve 21:e5f1a43ea6f9 421 }
Lightvalve 11:82d8768d7351 422 TIM4->SR = 0x0; // reset the status register
Lightvalve 11:82d8768d7351 423 }
Lightvalve 19:23b7c1ad8683 424
Lightvalve 19:23b7c1ad8683 425
Lightvalve 18:b8adf1582ea3 426 int j =0;
Lightvalve 19:23b7c1ad8683 427 //unsigned long CNT_TMR3 = 0;
Lightvalve 23:59218d4a256d 428 //double FREQ_TMR3 = (double)FREQ_5k;
Lightvalve 23:59218d4a256d 429 double FREQ_TMR3 = (double)FREQ_1k;
Lightvalve 23:59218d4a256d 430 //double DT_TMR3 = (double)DT_5k;
Lightvalve 23:59218d4a256d 431 double DT_TMR3 = (double)DT_1k;
Lightvalve 11:82d8768d7351 432 extern "C" void TIM3_IRQHandler(void)
Lightvalve 21:e5f1a43ea6f9 433 {
Lightvalve 19:23b7c1ad8683 434 if (TIM3->SR & TIM_SR_UIF ) {
Lightvalve 12:6f2531038ea4 435 ENC_UPDATE();
Lightvalve 13:747daba9cf59 436
Lightvalve 19:23b7c1ad8683 437 // CONTROL LOOP ------------------------------------------------------------
Lightvalve 13:747daba9cf59 438
Lightvalve 14:8e7590227d22 439 switch (CONTROL_MODE) {
Lightvalve 14:8e7590227d22 440 case MODE_NO_ACT: {
Lightvalve 14:8e7590227d22 441 V_out = 0;
Lightvalve 13:747daba9cf59 442 break;
Lightvalve 13:747daba9cf59 443 }
Lightvalve 14:8e7590227d22 444
Lightvalve 14:8e7590227d22 445 case MODE_VALVE_OPEN_LOOP: {
Lightvalve 18:b8adf1582ea3 446 V_out = (double) Vout.ref;
Lightvalve 14:8e7590227d22 447 break;
Lightvalve 14:8e7590227d22 448 }
Lightvalve 14:8e7590227d22 449
Lightvalve 14:8e7590227d22 450 case MODE_VALVE_POSITION_CONTROL: {
Lightvalve 14:8e7590227d22 451 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 14:8e7590227d22 452 break;
Lightvalve 14:8e7590227d22 453 }
Lightvalve 14:8e7590227d22 454
Lightvalve 14:8e7590227d22 455 case MODE_JOINT_POSITION_TORQUE_CONTROL_PWM: {
Lightvalve 13:747daba9cf59 456 double PWM_RAW_POS_FB = 0.0; // PWM by Position Feedback
Lightvalve 13:747daba9cf59 457 double PWM_RAW_POS_FF = 0.0; // PWM by Position Feedforward
Lightvalve 13:747daba9cf59 458 double PWM_RAW_FORCE_FB = 0.0; // PWM by Force Feedback
Lightvalve 14:8e7590227d22 459
Lightvalve 13:747daba9cf59 460 // feedback input for position control
Lightvalve 14:8e7590227d22 461 pos.err = pos.ref - (double) pos.sen;
Lightvalve 14:8e7590227d22 462 pos.err_diff = pos.err - pos.err_old;
Lightvalve 14:8e7590227d22 463 pos.err_old = pos.err;
Lightvalve 14:8e7590227d22 464 pos.err_sum += pos.err;
Lightvalve 14:8e7590227d22 465 if (pos.err_sum > 1000) pos.err_sum = 1000;
Lightvalve 14:8e7590227d22 466 if (pos.err_sum<-1000) pos.err_sum = -1000;
Lightvalve 14:8e7590227d22 467 // PWM_RAW_POS_FB = (double) P_GAIN_JOINT_POSITION * pos.err + (double) I_GAIN_JOINT_POSITION * pos.err_sum + (double) D_GAIN_JOINT_POSITION * pos.err_diff;
Lightvalve 14:8e7590227d22 468 PWM_RAW_POS_FB = (double) P_GAIN_JOINT_POSITION * pos.err;
Lightvalve 13:747daba9cf59 469 PWM_RAW_POS_FB = PWM_RAW_POS_FB * 0.01;
Lightvalve 14:8e7590227d22 470
Lightvalve 13:747daba9cf59 471 // feedforward input for position control
Lightvalve 14:8e7590227d22 472 double Ref_Vel_Act = vel.ref/(double)ENC_PULSE_PER_POSITION; // [pulse/s] >> [deg/s]
Lightvalve 13:747daba9cf59 473 double K_ff = 0.9;
Lightvalve 14:8e7590227d22 474 if(Ref_Vel_Act > 0) K_ff = 0.90; // open
Lightvalve 14:8e7590227d22 475 if(Ref_Vel_Act > 0) K_ff = 0.75; // close
Lightvalve 14:8e7590227d22 476 PWM_RAW_POS_FF = K_ff*Ref_Vel_Act/0.50;
Lightvalve 14:8e7590227d22 477
Lightvalve 13:747daba9cf59 478 // torque feedback
Lightvalve 15:bd0d12728506 479 // torq.err = torq.ref - torq.sen;
Lightvalve 14:8e7590227d22 480 // torq.err_diff = torq.err - torq.err_old;
Lightvalve 14:8e7590227d22 481 // torq.err_old = torq.err;
Lightvalve 14:8e7590227d22 482 // torq.err_sum += torq.err;
Lightvalve 14:8e7590227d22 483 // if (torq.err_sum > 1000) torq.err_sum = 1000;
Lightvalve 14:8e7590227d22 484 // if (torq.err_sum<-1000) torq.err_sum = -1000;
Lightvalve 14:8e7590227d22 485 // VALVE_PWM_RAW_TORQ = (double) P_GAIN_JOINT_TORQUE * torq.err + (double) I_GAIN_JOINT_TORQUE * torq.err_sum + (double) D_GAIN_JOINT_TORQUE * torq.err_diff;
Lightvalve 13:747daba9cf59 486 // VALVE_PWM_RAW_TORQ = VALVE_PWM_RAW_TORQ * 0.01;
Lightvalve 19:23b7c1ad8683 487
Lightvalve 13:747daba9cf59 488 PWM_RAW_FORCE_FB = 0.0;
Lightvalve 14:8e7590227d22 489
Lightvalve 14:8e7590227d22 490 V_out = PWM_RAW_POS_FF + PWM_RAW_POS_FB + PWM_RAW_FORCE_FB;
Lightvalve 14:8e7590227d22 491
Lightvalve 13:747daba9cf59 492 break;
Lightvalve 13:747daba9cf59 493 }
Lightvalve 14:8e7590227d22 494
Lightvalve 14:8e7590227d22 495 case MODE_JOINT_POSITION_TORQUE_CONTROL_VALVE_POSITION: {
Lightvalve 23:59218d4a256d 496
Lightvalve 23:59218d4a256d 497
Lightvalve 13:747daba9cf59 498 double VALVE_POS_RAW_POS_FB = 0.0; // Valve Position by Position Feedback
Lightvalve 19:23b7c1ad8683 499 //double VALVE_POS_RAW_POS_FF = 0.0; // Valve Position by Position Feedforward
Lightvalve 13:747daba9cf59 500 double VALVE_POS_RAW_FORCE_FB = 0.0; // Valve Position by Force Feedback
Lightvalve 19:23b7c1ad8683 501 //int DDV_JOINT_CAN = 0;
Lightvalve 13:747daba9cf59 502 // feedback input for position control
Lightvalve 14:8e7590227d22 503 pos.err = pos.ref - (double) pos.sen;
Lightvalve 14:8e7590227d22 504 pos.err_diff = pos.err - pos.err_old;
Lightvalve 14:8e7590227d22 505 pos.err_old = pos.err;
Lightvalve 14:8e7590227d22 506 pos.err_sum += pos.err;
Lightvalve 14:8e7590227d22 507 if (pos.err_sum > 1000) pos.err_sum = 1000;
Lightvalve 14:8e7590227d22 508 if (pos.err_sum<-1000) pos.err_sum = -1000;
Lightvalve 14:8e7590227d22 509 VALVE_POS_RAW_POS_FB = (double) P_GAIN_JOINT_POSITION * 0.01 * pos.err + (double) I_GAIN_JOINT_POSITION * pos.err_sum + (double) D_GAIN_JOINT_POSITION * pos.err_diff;
Lightvalve 13:747daba9cf59 510 VALVE_POS_RAW_POS_FB = VALVE_POS_RAW_POS_FB * 0.01;
Lightvalve 14:8e7590227d22 511
Lightvalve 14:8e7590227d22 512
Lightvalve 13:747daba9cf59 513 //Ref_Joint_Vel = Ref_Vel_Test;
Lightvalve 13:747daba9cf59 514 // feedforward input for position control
Lightvalve 14:8e7590227d22 515 // double Ref_Joint_Vel_Act = Ref_Joint_Vel/(double)ENC_PULSE_PER_POSITION; // [pulse/s] >> [deg/s]
Lightvalve 14:8e7590227d22 516 // double K_ff = 0.9;
Lightvalve 14:8e7590227d22 517 // if(Ref_Joint_Vel_Act > 0) K_ff = 0.90; // open
Lightvalve 14:8e7590227d22 518 // if(Ref_Joint_Vel_Act > 0) K_ff = 0.75; // close
Lightvalve 14:8e7590227d22 519 // VALVE_POS_RAW_POS_FF = K_ff*Ref_Joint_Vel_Act/0.50;
Lightvalve 14:8e7590227d22 520
Lightvalve 13:747daba9cf59 521 // torque feedback
Lightvalve 15:bd0d12728506 522 // torq.err = torq.ref - torq.sen;
Lightvalve 14:8e7590227d22 523 // torq.err_diff = torq.err - torq.err_old;
Lightvalve 14:8e7590227d22 524 // torq.err_old = torq.err;
Lightvalve 14:8e7590227d22 525 // torq.err_sum += torq.err;
Lightvalve 14:8e7590227d22 526 // if (torq.err_sum > 1000) torq.err_sum = 1000;
Lightvalve 14:8e7590227d22 527 // if (torq.err_sum<-1000) torq.err_sum = -1000;
Lightvalve 14:8e7590227d22 528 // VALVE_PWM_RAW_TORQ = (double) P_GAIN_JOINT_TORQUE * torq.err + (double) I_GAIN_JOINT_TORQUE * torq.err_sum + (double) D_GAIN_JOINT_TORQUE * torq.err_diff;
Lightvalve 13:747daba9cf59 529 // VALVE_PWM_RAW_TORQ = VALVE_PWM_RAW_TORQ * 0.01;
Lightvalve 13:747daba9cf59 530 VALVE_POS_RAW_FORCE_FB = 0.0;
Lightvalve 14:8e7590227d22 531
Lightvalve 23:59218d4a256d 532 valve_pos.ref = VALVE_POS_RAW_POS_FB + DDV_JOINT_POS_FF(vel.ref) + VALVE_POS_RAW_FORCE_FB;
Lightvalve 23:59218d4a256d 533 //valve_pos.ref = VALVE_POS_RAW_POS_FB + DDV_CENTER;
Lightvalve 14:8e7590227d22 534 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 23:59218d4a256d 535
Lightvalve 23:59218d4a256d 536
Lightvalve 13:747daba9cf59 537 break;
Lightvalve 13:747daba9cf59 538 }
Lightvalve 14:8e7590227d22 539
Lightvalve 14:8e7590227d22 540 case MODE_VALVE_POSITION_TORQUE_CONTROL_LEARNING: {
Lightvalve 14:8e7590227d22 541
Lightvalve 13:747daba9cf59 542 break;
Lightvalve 13:747daba9cf59 543 }
Lightvalve 14:8e7590227d22 544
Lightvalve 14:8e7590227d22 545 case MODE_JOINT_POSITION_PRES_CONTROL_PWM: {
Lightvalve 14:8e7590227d22 546 pos.err = pos.ref - (double) pos.sen;
Lightvalve 14:8e7590227d22 547 pos.err_diff = pos.err - pos.err_old;
Lightvalve 14:8e7590227d22 548 pos.err_old = pos.err;
Lightvalve 14:8e7590227d22 549 pos.err_sum += pos.err;
Lightvalve 14:8e7590227d22 550 if (pos.err_sum > 1000) pos.err_sum = 1000;
Lightvalve 14:8e7590227d22 551 if (pos.err_sum<-1000) pos.err_sum = -1000;
Lightvalve 14:8e7590227d22 552 VALVE_PWM_RAW_POS = ((double) P_GAIN_JOINT_POSITION * pos.err + (double) I_GAIN_JOINT_POSITION * pos.err_sum + (double) D_GAIN_JOINT_POSITION * pos.err_diff) * 0.01;
Lightvalve 14:8e7590227d22 553
Lightvalve 14:8e7590227d22 554 torq.err = torq.ref - torq.sen;
Lightvalve 14:8e7590227d22 555 torq.err_diff = torq.err - torq.err_old;
Lightvalve 14:8e7590227d22 556 torq.err_old = torq.err;
Lightvalve 14:8e7590227d22 557 torq.err_sum += torq.err;
Lightvalve 14:8e7590227d22 558 if (torq.err_sum > 1000) torq.err_sum = 1000;
Lightvalve 14:8e7590227d22 559 if (torq.err_sum<-1000) torq.err_sum = -1000;
Lightvalve 14:8e7590227d22 560 VALVE_PWM_RAW_TORQ = (double) P_GAIN_JOINT_TORQUE * torq.err + (double) I_GAIN_JOINT_TORQUE * torq.err_sum + (double) D_GAIN_JOINT_TORQUE * torq.err_diff;
Lightvalve 14:8e7590227d22 561
Lightvalve 13:747daba9cf59 562 VALVE_PWM_RAW_TORQ = VALVE_PWM_RAW_TORQ * 0.01;
Lightvalve 14:8e7590227d22 563
Lightvalve 14:8e7590227d22 564 V_out = VALVE_PWM_RAW_POS + (double) COMPLIANCE_GAIN * 0.01 * VALVE_PWM_RAW_TORQ;
Lightvalve 14:8e7590227d22 565
Lightvalve 13:747daba9cf59 566 CUR_FLOWRATE = (double) CUR_VELOCITY * 0.00009587;
Lightvalve 13:747daba9cf59 567 CUR_FLOWRATE = CUR_FLOWRATE * 0.5757; // 0.4791=2*pi/65536*5000(pulse/tic to rad/s) 0.5757=0.02525*0.02*0.0095*2*60*1000 (radius * area * 2 * 60(sec --> min) * 1000(m^3 --> L))
Lightvalve 13:747daba9cf59 568 if (DIR_VALVE > 0) {
Lightvalve 13:747daba9cf59 569 if (CUR_FLOWRATE >= 0 && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[0]*1.0)) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - 0.0) / (VALVE_GAIN_LPM_PER_V[0]*1.0 - 0.0) + 0.0;
Lightvalve 13:747daba9cf59 570 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[0]*1.0) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[2]*2.)) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[0]*1.0) / (VALVE_GAIN_LPM_PER_V[2]*2.0 - VALVE_GAIN_LPM_PER_V[0]*1.) + 1.0;
Lightvalve 13:747daba9cf59 571 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[2]*2.0) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[4]*3.)) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[2]*2.0) / (VALVE_GAIN_LPM_PER_V[4]*3.0 - VALVE_GAIN_LPM_PER_V[2]*2.) + 2.0;
Lightvalve 13:747daba9cf59 572 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[4]*3.0) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[6]*4.)) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[4]*3.0) / (VALVE_GAIN_LPM_PER_V[6]*4.0 - VALVE_GAIN_LPM_PER_V[4]*3.) + 3.0;
Lightvalve 13:747daba9cf59 573 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[6]*4.0) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[8]*5.)) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[6]*4.0) / (VALVE_GAIN_LPM_PER_V[8]*5.0 - VALVE_GAIN_LPM_PER_V[6]*4.) + 4.0;
Lightvalve 13:747daba9cf59 574 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[8]*5.0)) VALVE_FF_VOLTAGE = 5.0;
Lightvalve 13:747daba9cf59 575 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[1]*(-1.0)) && CUR_FLOWRATE < 0.0) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[1]*(-1.0)) / (0.0 - VALVE_GAIN_LPM_PER_V[1]*(-1.)) - 1.0;
Lightvalve 13:747daba9cf59 576 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[3]*(-2.0)) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[1]*(-1.0))) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[3]*(-2.0)) / ((VALVE_GAIN_LPM_PER_V[1]*(-1.0)) - VALVE_GAIN_LPM_PER_V[3]*(-2.)) - 2.0;
Lightvalve 13:747daba9cf59 577 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[5]*(-3.0)) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[3]*(-2.0))) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[5]*(-3.0)) / ((VALVE_GAIN_LPM_PER_V[3]*(-2.0)) - VALVE_GAIN_LPM_PER_V[5]*(-3.)) - 3.0;
Lightvalve 13:747daba9cf59 578 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[7]*(-4.0)) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[5]*(-3.0))) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[7]*(-4.0)) / ((VALVE_GAIN_LPM_PER_V[5]*(-3.0)) - VALVE_GAIN_LPM_PER_V[7]*(-4.)) - 4.0;
Lightvalve 13:747daba9cf59 579 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[9]*(-5.0)) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[7]*(-4.0))) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[9]*(-5.0)) / ((VALVE_GAIN_LPM_PER_V[7]*(-4.0)) - VALVE_GAIN_LPM_PER_V[9]*(-5.)) - 5.0;
Lightvalve 13:747daba9cf59 580 else if (CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[9]*(-5.0))) VALVE_FF_VOLTAGE = -5;
Lightvalve 13:747daba9cf59 581 else VALVE_FF_VOLTAGE = 0;
Lightvalve 13:747daba9cf59 582 } else {
Lightvalve 13:747daba9cf59 583 if (CUR_FLOWRATE >= 0 && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[0]*1.0)) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - 0.0) / (VALVE_GAIN_LPM_PER_V[0]*1.0 - 0.0) + 0.0;
Lightvalve 13:747daba9cf59 584 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[1]*1.0) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[2]*2.0)) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[0]*1.0) / (VALVE_GAIN_LPM_PER_V[2]*2.0 - VALVE_GAIN_LPM_PER_V[0]*1.) + 1.0;
Lightvalve 13:747daba9cf59 585 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[3]*2.0) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[4]*3.0)) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[2]*2.0) / (VALVE_GAIN_LPM_PER_V[4]*3.0 - VALVE_GAIN_LPM_PER_V[2]*2.) + 2.0;
Lightvalve 13:747daba9cf59 586 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[5]*3.0) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[6]*4.0)) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[4]*3.0) / (VALVE_GAIN_LPM_PER_V[6]*4.0 - VALVE_GAIN_LPM_PER_V[4]*3.) + 3.0;
Lightvalve 13:747daba9cf59 587 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[7]*4.0) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[8]*5.0)) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[6]*4.0) / (VALVE_GAIN_LPM_PER_V[8]*5.0 - VALVE_GAIN_LPM_PER_V[6]*4.) + 4.0;
Lightvalve 13:747daba9cf59 588 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[9]*5.0)) VALVE_FF_VOLTAGE = 5.0;
Lightvalve 13:747daba9cf59 589 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[0]*(-1.0)) && CUR_FLOWRATE < 0.0) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[1]*(-1.0)) / (0.0 - VALVE_GAIN_LPM_PER_V[1]*(-1.0)) - 1.0;
Lightvalve 13:747daba9cf59 590 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[2]*(-2.0)) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[1]*(-1.0))) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[3]*(-2.0)) / ((VALVE_GAIN_LPM_PER_V[1]*(-1.0)) - VALVE_GAIN_LPM_PER_V[3]*(-2.0)) - 2.0;
Lightvalve 13:747daba9cf59 591 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[4]*(-3.0)) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[3]*(-2.0))) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[5]*(-3.0)) / ((VALVE_GAIN_LPM_PER_V[3]*(-2.0)) - VALVE_GAIN_LPM_PER_V[5]*(-3.0)) - 3.0;
Lightvalve 13:747daba9cf59 592 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[6]*(-4.0)) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[5]*(-3.0))) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[7]*(-4.0)) / ((VALVE_GAIN_LPM_PER_V[5]*(-3.0)) - VALVE_GAIN_LPM_PER_V[7]*(-4.0)) - 4.0;
Lightvalve 13:747daba9cf59 593 else if (CUR_FLOWRATE >= (VALVE_GAIN_LPM_PER_V[8]*(-5.0)) && CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[7]*(-4.0))) VALVE_FF_VOLTAGE = (CUR_FLOWRATE - VALVE_GAIN_LPM_PER_V[9]*(-5.0)) / ((VALVE_GAIN_LPM_PER_V[7]*(-4.0)) - VALVE_GAIN_LPM_PER_V[9]*(-5.0)) - 5.0;
Lightvalve 13:747daba9cf59 594 else if (CUR_FLOWRATE < (VALVE_GAIN_LPM_PER_V[8]*(-5.0))) VALVE_FF_VOLTAGE = -5;
Lightvalve 13:747daba9cf59 595 else VALVE_FF_VOLTAGE = 0;
Lightvalve 13:747daba9cf59 596 }
Lightvalve 13:747daba9cf59 597 // VALVE_FF_VOLTAGE = CUR_FLOWRATE * 0.5;
Lightvalve 14:8e7590227d22 598
Lightvalve 13:747daba9cf59 599 if (CUR_FLOWRATE >= 0) VALVE_FF_VOLTAGE = (double) VELOCITY_COMP_GAIN * 0.001 * VALVE_FF_VOLTAGE * sqrt((double) PRES_SUPPLY - CUR_PRES_A_BAR) * 0.0707; // 0.0707 = 1/sqrt(200.))
Lightvalve 13:747daba9cf59 600 else if (CUR_FLOWRATE < 0) VALVE_FF_VOLTAGE = (double) VELOCITY_COMP_GAIN * 0.001 * VALVE_FF_VOLTAGE * sqrt((double) PRES_SUPPLY - CUR_PRES_B_BAR) * 0.0707;
Lightvalve 14:8e7590227d22 601
Lightvalve 18:b8adf1582ea3 602 V_out = V_out + VALVE_FF_VOLTAGE;
Lightvalve 14:8e7590227d22 603 break;
Lightvalve 14:8e7590227d22 604 }
Lightvalve 14:8e7590227d22 605
Lightvalve 14:8e7590227d22 606 case MODE_JOINT_POSITION_PRES_CONTROL_VALVE_POSITION: {
Lightvalve 14:8e7590227d22 607 pos.err = pos.ref - (double) pos.sen;
Lightvalve 14:8e7590227d22 608 pos.err_diff = pos.err - pos.err_old;
Lightvalve 14:8e7590227d22 609 pos.err_old = pos.err;
Lightvalve 14:8e7590227d22 610 pos.err_sum += pos.err;
Lightvalve 14:8e7590227d22 611 if (pos.err_sum > 1000) pos.err_sum = 1000;
Lightvalve 14:8e7590227d22 612 if (pos.err_sum<-1000) pos.err_sum = -1000;
Lightvalve 14:8e7590227d22 613 VALVE_PWM_RAW_POS = ((double) P_GAIN_JOINT_POSITION * pos.err + (double) I_GAIN_JOINT_POSITION * pos.err_sum + (double) D_GAIN_JOINT_POSITION * pos.err_diff) * 0.01;
Lightvalve 14:8e7590227d22 614
Lightvalve 15:bd0d12728506 615 torq.err = torq.ref - torq.sen;
Lightvalve 14:8e7590227d22 616 torq.err_diff = torq.err - torq.err_old;
Lightvalve 14:8e7590227d22 617 torq.err_old = torq.err;
Lightvalve 14:8e7590227d22 618 torq.err_sum += torq.err;
Lightvalve 14:8e7590227d22 619 if (torq.err_sum > 1000) torq.err_sum = 1000;
Lightvalve 14:8e7590227d22 620 if (torq.err_sum<-1000) torq.err_sum = -1000;
Lightvalve 14:8e7590227d22 621 VALVE_PWM_RAW_TORQ = (double) P_GAIN_JOINT_TORQUE * torq.err + (double) I_GAIN_JOINT_TORQUE * torq.err_sum + (double) D_GAIN_JOINT_TORQUE * torq.err_diff;
Lightvalve 14:8e7590227d22 622
Lightvalve 14:8e7590227d22 623 valve_pos.ref = VALVE_PWM_RAW_POS + VALVE_PWM_RAW_TORQ;
Lightvalve 14:8e7590227d22 624 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 19:23b7c1ad8683 625
Lightvalve 14:8e7590227d22 626 break;
Lightvalve 14:8e7590227d22 627 }
Lightvalve 14:8e7590227d22 628
Lightvalve 14:8e7590227d22 629 case MODE_VALVE_POSITION_PRES_CONTROL_LEARNING: {
Lightvalve 14:8e7590227d22 630
Lightvalve 14:8e7590227d22 631 break;
Lightvalve 14:8e7590227d22 632 }
Lightvalve 14:8e7590227d22 633
Lightvalve 19:23b7c1ad8683 634
Lightvalve 19:23b7c1ad8683 635 case MODE_TEST_CURRENT_CONTROL: {
Lightvalve 14:8e7590227d22 636 if (TMR3_COUNT_IREF == TMR_FREQ_5k) {
Lightvalve 14:8e7590227d22 637 TMR3_COUNT_IREF = 0;
Lightvalve 19:23b7c1ad8683 638 }
Lightvalve 19:23b7c1ad8683 639 TMR3_COUNT_IREF++;
Lightvalve 19:23b7c1ad8683 640
Lightvalve 19:23b7c1ad8683 641 // Set Current Reference
Lightvalve 14:8e7590227d22 642 double TMR3_CNT_MAX = (double)TMR_FREQ_5k/2.0;
Lightvalve 14:8e7590227d22 643 double I_REF_MID = 0.0;
Lightvalve 14:8e7590227d22 644 if (TMR3_COUNT_IREF < TMR3_CNT_MAX) {
Lightvalve 14:8e7590227d22 645 I_REF = I_REF_MID + 1.0;
Lightvalve 14:8e7590227d22 646 } else {
Lightvalve 14:8e7590227d22 647 I_REF = I_REF_MID - 1.0;
Lightvalve 19:23b7c1ad8683 648 }
Lightvalve 14:8e7590227d22 649 // double T = 1.0; // wave period
Lightvalve 14:8e7590227d22 650 // I_REF = (5. * sin(2. * 3.1415 * (double) TMR3_COUNT_IREF / (double)TMR_FREQ_5k/ T));
Lightvalve 14:8e7590227d22 651 // I_REF = (2.0 * sin(2. * 2. * 3.14 * (double) TMR3_COUNT_IREF / 5000.)+(2.0 * sin(2. * 1. * 3.14 * (double)TMR3_COUNT_IREF/ 5000.))+(2.0 * sin(2. * 5. * 3.14 * (double)TMR3_COUNT_IREF/ 5000.))+(2.0 * sin(2. * 10. * 3.14 * (double)TMR3_COUNT_IREF/ 5000.)));
Lightvalve 19:23b7c1ad8683 652
Lightvalve 14:8e7590227d22 653 if (TMR3_COUNT_IREF % (int) (TMR_FREQ_5k / CAN_FREQ) == 0) {
Lightvalve 23:59218d4a256d 654 //CAN_TX_PRES((int16_t)(I_REF*1000.0), (int16_t) (CUR_CURRENT*1000.0)); // to check the datas
Lightvalve 14:8e7590227d22 655 }
Lightvalve 14:8e7590227d22 656 break;
Lightvalve 14:8e7590227d22 657 }
Lightvalve 19:23b7c1ad8683 658
Lightvalve 19:23b7c1ad8683 659 case MODE_TEST_PWM_CONTROL: {
Lightvalve 14:8e7590227d22 660 if (TMR3_COUNT_IREF == TMR_FREQ_5k) {
Lightvalve 14:8e7590227d22 661 TMR3_COUNT_IREF = 0;
Lightvalve 19:23b7c1ad8683 662 }
Lightvalve 19:23b7c1ad8683 663 TMR3_COUNT_IREF++;
Lightvalve 19:23b7c1ad8683 664
Lightvalve 14:8e7590227d22 665 // Set PWM reference
Lightvalve 14:8e7590227d22 666 double TMR3_CNT_MAX = (double)TMR_FREQ_5k/2.0;
Lightvalve 19:23b7c1ad8683 667 //double I_REF_MID = 0.0;
Lightvalve 14:8e7590227d22 668 if (TMR3_COUNT_IREF < TMR3_CNT_MAX) {
Lightvalve 14:8e7590227d22 669 CUR_PWM = 1000;
Lightvalve 14:8e7590227d22 670 } else {
Lightvalve 14:8e7590227d22 671 CUR_PWM = -1000;
Lightvalve 19:23b7c1ad8683 672 }
Lightvalve 19:23b7c1ad8683 673
Lightvalve 14:8e7590227d22 674 if (TMR3_COUNT_IREF % (int) (TMR_FREQ_5k / CAN_FREQ) == 0) {
Lightvalve 23:59218d4a256d 675 //CAN_TX_PRES((int16_t)(u_CUR[0]*1000.0), (int16_t) (CUR_CURRENT*1000.0)); // to check the datas
Lightvalve 14:8e7590227d22 676 }
Lightvalve 13:747daba9cf59 677 break;
Lightvalve 13:747daba9cf59 678 }
Lightvalve 19:23b7c1ad8683 679
Lightvalve 19:23b7c1ad8683 680
Lightvalve 14:8e7590227d22 681 case MODE_CURRENT_CONTROL: {
Lightvalve 14:8e7590227d22 682
Lightvalve 14:8e7590227d22 683 cur.ref = cur.ref; // Unit : mA
Lightvalve 14:8e7590227d22 684 CurrentControl();
Lightvalve 14:8e7590227d22 685 break;
Lightvalve 14:8e7590227d22 686 }
Lightvalve 19:23b7c1ad8683 687
Lightvalve 14:8e7590227d22 688 case MODE_JOINT_POSITION_TORQUE_CONTROL_CURRENT: {
Lightvalve 14:8e7590227d22 689 double I_REF_POS_FB = 0.0; // I_REF by Position Feedback
Lightvalve 14:8e7590227d22 690 double I_REF_POS_FF = 0.0; // I_REF by Position Feedforward
Lightvalve 14:8e7590227d22 691 double I_REF_FORCE_FB = 0.0; // I_REF by Force Feedback
Lightvalve 14:8e7590227d22 692 double I_REF_FORCE_FF = 0.0; // I_REF by Force Feedforward
Lightvalve 19:23b7c1ad8683 693
Lightvalve 14:8e7590227d22 694 // feedback input for position control
Lightvalve 14:8e7590227d22 695 pos.err = pos.ref - pos.sen;
Lightvalve 14:8e7590227d22 696 double alpha_update_vel = 1.0/(1.0+(double)FREQ_TMR4/(2.0*3.1415*50.0)); // f_cutoff : 50Hz
Lightvalve 14:8e7590227d22 697 double err_diff = (pos.err - pos.err_old)*(double)FREQ_5k;
Lightvalve 14:8e7590227d22 698 pos.err_diff = (1.0-alpha_update_vel)*pos.err_diff + alpha_update_vel*err_diff;
Lightvalve 14:8e7590227d22 699 pos.err_old = pos.err;
Lightvalve 14:8e7590227d22 700 I_REF_POS_FB = 0.001*((double)P_GAIN_JOINT_POSITION * pos.err + (double)D_GAIN_JOINT_POSITION * pos.err_diff * 0.1);
Lightvalve 19:23b7c1ad8683 701
Lightvalve 14:8e7590227d22 702 // feedforward input for position control
Lightvalve 14:8e7590227d22 703 double Vel_Act_Ref = vel.ref; // [pulse/s] >> [deg/s]
Lightvalve 14:8e7590227d22 704 double K_ff = 1.3;
Lightvalve 14:8e7590227d22 705 double K_v = 0.0;
Lightvalve 14:8e7590227d22 706 if(Vel_Act_Ref > 0) K_v = 1.0/100.0; // open, tuning. (deg/s >> mA)
Lightvalve 14:8e7590227d22 707 if(Vel_Act_Ref < 0) K_v = 1.0/100.0; // close, tuning. (deg/s >> mA)
Lightvalve 14:8e7590227d22 708 I_REF_POS_FF = K_ff*K_v*Vel_Act_Ref;
Lightvalve 19:23b7c1ad8683 709
Lightvalve 14:8e7590227d22 710 // feedback input for position control
Lightvalve 14:8e7590227d22 711 I_REF_FORCE_FB = 0.0;
Lightvalve 19:23b7c1ad8683 712
Lightvalve 14:8e7590227d22 713 // feedforward input for position control
Lightvalve 14:8e7590227d22 714 I_REF_FORCE_FF = 0.0;
Lightvalve 19:23b7c1ad8683 715
Lightvalve 14:8e7590227d22 716 cur.ref = I_REF_POS_FF + I_REF_POS_FB + I_REF_FORCE_FB + I_REF_FORCE_FF;
Lightvalve 19:23b7c1ad8683 717
Lightvalve 14:8e7590227d22 718 CurrentControl();
Lightvalve 19:23b7c1ad8683 719
Lightvalve 13:747daba9cf59 720 break;
Lightvalve 13:747daba9cf59 721 }
Lightvalve 19:23b7c1ad8683 722
Lightvalve 14:8e7590227d22 723 case MODE_JOINT_POSITION_PRES_CONTROL_CURRENT: {
Lightvalve 19:23b7c1ad8683 724 //double T_REF = 0.0; // Torque Reference
Lightvalve 14:8e7590227d22 725 double I_REF_FORCE_FB = 0.; // I_REF by Force Feedback
Lightvalve 14:8e7590227d22 726 double I_REF_VC = 0.; // I_REF for velocity compensation
Lightvalve 19:23b7c1ad8683 727
Lightvalve 14:8e7590227d22 728 // feedback input for position control
Lightvalve 19:23b7c1ad8683 729 //double Joint_Pos_Err = 34.0-(double) pos.sen/(double)ENC_PULSE_PER_POSITION; // [pulse/s] >> [deg/s]
Lightvalve 19:23b7c1ad8683 730 //double Joint_Vel_Err = 0.0-(double) vel.sen/(double)ENC_PULSE_PER_POSITION; // [pulse/s] >> [deg/s]
Lightvalve 19:23b7c1ad8683 731 //double K_spring = 0.7;
Lightvalve 19:23b7c1ad8683 732 //double D_damper = 0.02;
Lightvalve 14:8e7590227d22 733 // T_REF = K_spring * pos.err + D_damper * Joint_Vel_Err; // unit : Nm
Lightvalve 19:23b7c1ad8683 734
Lightvalve 14:8e7590227d22 735 // torque feedback
Lightvalve 15:bd0d12728506 736 torq.err = torq.ref - torq.sen;
Lightvalve 14:8e7590227d22 737 // torq.err_diff = torq.err - torq.err_old;
Lightvalve 14:8e7590227d22 738 // torq.err_old = torq.err;
Lightvalve 14:8e7590227d22 739 torq.err_sum = torq.err_sum + torq.err/(double)TMR_FREQ_5k;
Lightvalve 19:23b7c1ad8683 740 I_REF_FORCE_FB = 0.001*((double)P_GAIN_JOINT_TORQUE * torq.err + (double)I_GAIN_JOINT_TORQUE * torq.err_sum);
Lightvalve 19:23b7c1ad8683 741
Lightvalve 14:8e7590227d22 742 // velocity compensation for torque control
Lightvalve 19:23b7c1ad8683 743 double Joint_Vel_Act = vel.sen/(double)ENC_PULSE_PER_POSITION; // [pulse/s] >> [deg/s]
Lightvalve 14:8e7590227d22 744 double K_vc = 1.5; // Velocity comp. gain
Lightvalve 19:23b7c1ad8683 745 double K_v = 0.0; // Valve gain
Lightvalve 14:8e7590227d22 746 if(Joint_Vel_Act > 0) K_v = 1.0/100.0; // open, tuning
Lightvalve 14:8e7590227d22 747 if(Joint_Vel_Act < 0) K_v = 1.0/100.0; // close, tuning
Lightvalve 14:8e7590227d22 748 I_REF_VC = K_vc*K_v*Joint_Vel_Act;
Lightvalve 19:23b7c1ad8683 749
Lightvalve 14:8e7590227d22 750 cur.ref = I_REF_VC + I_REF_FORCE_FB;
Lightvalve 19:23b7c1ad8683 751 // cur.ref = I_REF_FORCE_FB;
Lightvalve 19:23b7c1ad8683 752
Lightvalve 19:23b7c1ad8683 753 double I_MAX = 10.00; // Maximum Current : 10mV
Lightvalve 14:8e7590227d22 754 double Ka = 1.0/I_GAIN_JOINT_TORQUE;
Lightvalve 14:8e7590227d22 755 if(cur.ref > I_MAX) {
Lightvalve 14:8e7590227d22 756 double I_rem = cur.ref-I_MAX;
Lightvalve 14:8e7590227d22 757 I_rem = Ka*I_rem;
Lightvalve 14:8e7590227d22 758 cur.ref = I_MAX;
Lightvalve 14:8e7590227d22 759 torq.err_sum = torq.err_sum - I_rem/(double)TMR_FREQ_5k;
Lightvalve 14:8e7590227d22 760 } else if(cur.ref < -I_MAX) {
Lightvalve 14:8e7590227d22 761 double I_rem = cur.ref-(-I_MAX);
Lightvalve 19:23b7c1ad8683 762 I_rem = Ka*I_rem;
Lightvalve 14:8e7590227d22 763 cur.ref = -I_MAX;
Lightvalve 14:8e7590227d22 764 torq.err_sum = torq.err_sum - I_rem/(double)TMR_FREQ_5k;
Lightvalve 14:8e7590227d22 765 }
Lightvalve 19:23b7c1ad8683 766
Lightvalve 14:8e7590227d22 767 CurrentControl();
Lightvalve 19:23b7c1ad8683 768
Lightvalve 19:23b7c1ad8683 769
Lightvalve 14:8e7590227d22 770 /*
Lightvalve 14:8e7590227d22 771 double I_REF_POS_FB = 0.0; // I_REF by Position Feedback
Lightvalve 14:8e7590227d22 772 double I_REF_POS_FF = 0.0; // I_REF by Position Feedforward
Lightvalve 14:8e7590227d22 773 double I_REF_FORCE_FB = 0.0; // I_REF by Force Feedback
Lightvalve 14:8e7590227d22 774 double I_REF_FORCE_FF = 0.0; // I_REF by Force Feedforward
Lightvalve 19:23b7c1ad8683 775
Lightvalve 14:8e7590227d22 776 // feedback input for position control
Lightvalve 14:8e7590227d22 777 pos.err = pos.ref - pos.sen;
Lightvalve 14:8e7590227d22 778 double alpha_update_vel = 1.0/(1.0+(double)FREQ_TMR4/(2.0*3.1415*50.0)); // f_cutoff : 50Hz
Lightvalve 14:8e7590227d22 779 double err_diff = (pos.err - pos.err_old)*(double)FREQ_5k;
Lightvalve 14:8e7590227d22 780 pos.err_diff = (1.0-alpha_update_vel)*pos.err_diff + alpha_update_vel*err_diff;
Lightvalve 14:8e7590227d22 781 pos.err_old = pos.err;
Lightvalve 14:8e7590227d22 782 I_REF_POS_FB = 0.001*((double)P_GAIN_JOINT_POSITION * pos.err + (double)D_GAIN_JOINT_POSITION * pos.err_diff * 0.1);
Lightvalve 19:23b7c1ad8683 783
Lightvalve 14:8e7590227d22 784 // feedforward input for position control
Lightvalve 14:8e7590227d22 785 double Vel_Act_Ref = vel.ref; // [pulse/s] >> [deg/s]
Lightvalve 14:8e7590227d22 786 double K_ff = 1.3;
Lightvalve 14:8e7590227d22 787 double K_v = 0.0;
Lightvalve 14:8e7590227d22 788 if(Vel_Act_Ref > 0) K_v = 1.0/100.0; // open, tuning. (deg/s >> mA)
Lightvalve 14:8e7590227d22 789 if(Vel_Act_Ref < 0) K_v = 1.0/100.0; // close, tuning. (deg/s >> mA)
Lightvalve 14:8e7590227d22 790 I_REF_POS_FF = K_ff*K_v*Vel_Act_Ref;
Lightvalve 19:23b7c1ad8683 791
Lightvalve 14:8e7590227d22 792 // feedback input for position control
Lightvalve 14:8e7590227d22 793 I_REF_FORCE_FB = 0.0;
Lightvalve 19:23b7c1ad8683 794
Lightvalve 14:8e7590227d22 795 // feedforward input for position control
Lightvalve 14:8e7590227d22 796 I_REF_FORCE_FF = 0.0;
Lightvalve 19:23b7c1ad8683 797
Lightvalve 14:8e7590227d22 798 cur.ref = I_REF_POS_FF + I_REF_POS_FB + I_REF_FORCE_FB + I_REF_FORCE_FF;
Lightvalve 19:23b7c1ad8683 799
Lightvalve 14:8e7590227d22 800 CurrentControl();
Lightvalve 14:8e7590227d22 801 */
Lightvalve 19:23b7c1ad8683 802
Lightvalve 13:747daba9cf59 803 break;
Lightvalve 13:747daba9cf59 804 }
Lightvalve 14:8e7590227d22 805
Lightvalve 14:8e7590227d22 806 case MODE_TORQUE_SENSOR_NULLING: {
Lightvalve 13:747daba9cf59 807 // DAC Voltage reference set
Lightvalve 14:8e7590227d22 808 if (TMR3_COUNT_TORQUE_NULL < TMR_FREQ_5k * 2) {
Lightvalve 15:bd0d12728506 809 CUR_TORQUE_sum += torq.sen;
Lightvalve 19:23b7c1ad8683 810
Lightvalve 14:8e7590227d22 811 if (TMR3_COUNT_TORQUE_NULL % 10 == 0) {
Lightvalve 13:747daba9cf59 812 CUR_TORQUE_mean = CUR_TORQUE_sum / 10.0;
Lightvalve 13:747daba9cf59 813 CUR_TORQUE_sum = 0;
Lightvalve 14:8e7590227d22 814
Lightvalve 13:747daba9cf59 815 TORQUE_VREF += 0.0001 * (TORQUE_NULL - CUR_TORQUE_mean);
Lightvalve 19:23b7c1ad8683 816
Lightvalve 13:747daba9cf59 817 if (TORQUE_VREF > 3.3) TORQUE_VREF = 3.3;
Lightvalve 13:747daba9cf59 818 if (TORQUE_VREF < 0) TORQUE_VREF = 0;
Lightvalve 19:23b7c1ad8683 819
Lightvalve 16:903b5a4433b4 820 ROM_RESET_DATA();
Lightvalve 19:23b7c1ad8683 821
Lightvalve 16:903b5a4433b4 822 //spi_eeprom_write(RID_TORQUE_SENSOR_VREF, (int16_t) (TORQUE_VREF * 1000.0));
Lightvalve 16:903b5a4433b4 823 dac_1 = TORQUE_VREF / 3.3;
Lightvalve 13:747daba9cf59 824 }
Lightvalve 13:747daba9cf59 825 } else {
Lightvalve 13:747daba9cf59 826 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 14:8e7590227d22 827 TMR3_COUNT_TORQUE_NULL = 0;
Lightvalve 13:747daba9cf59 828 CUR_TORQUE_sum = 0;
Lightvalve 13:747daba9cf59 829 CUR_TORQUE_mean = 0;
Lightvalve 19:23b7c1ad8683 830
Lightvalve 16:903b5a4433b4 831 ROM_RESET_DATA();
Lightvalve 19:23b7c1ad8683 832
Lightvalve 16:903b5a4433b4 833 //spi_eeprom_write(RID_TORQUE_SENSOR_VREF, (int16_t) (TORQUE_VREF * 1000.0));
Lightvalve 19:23b7c1ad8683 834
Lightvalve 17:1865016ca2e7 835 //pc.printf("%f\n", TORQUE_VREF);
Lightvalve 16:903b5a4433b4 836 dac_1 = TORQUE_VREF / 3.3;
Lightvalve 14:8e7590227d22 837
Lightvalve 13:747daba9cf59 838 }
Lightvalve 14:8e7590227d22 839 TMR3_COUNT_TORQUE_NULL++;
Lightvalve 13:747daba9cf59 840 break;
Lightvalve 19:23b7c1ad8683 841 }
Lightvalve 14:8e7590227d22 842
Lightvalve 14:8e7590227d22 843 case MODE_VALVE_NULLING_AND_DEADZONE_SETTING: {
Lightvalve 14:8e7590227d22 844 if (TMR3_COUNT_DEADZONE == 0) {
Lightvalve 13:747daba9cf59 845 if (pos_plus_end == pos_minus_end) need_enc_init = true;
Lightvalve 13:747daba9cf59 846 else temp_time = 0;
Lightvalve 13:747daba9cf59 847 }
Lightvalve 13:747daba9cf59 848 if (need_enc_init) {
Lightvalve 14:8e7590227d22 849 if (TMR3_COUNT_DEADZONE < (int) (0.5 * (double) TMR_FREQ_5k)) {
Lightvalve 18:b8adf1582ea3 850 V_out = VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 851 pos_plus_end = pos.sen;
Lightvalve 14:8e7590227d22 852 } else if (TMR3_COUNT_DEADZONE < TMR_FREQ_5k) {
Lightvalve 18:b8adf1582ea3 853 V_out = -VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 854 pos_minus_end = pos.sen;
Lightvalve 14:8e7590227d22 855 } else if (TMR3_COUNT_DEADZONE == TMR_FREQ_5k) need_enc_init = false;
Lightvalve 13:747daba9cf59 856 temp_time = TMR_FREQ_5k;
Lightvalve 13:747daba9cf59 857 }
Lightvalve 14:8e7590227d22 858
Lightvalve 14:8e7590227d22 859 if (temp_time <= TMR3_COUNT_DEADZONE && TMR3_COUNT_DEADZONE < (temp_time + TMR_FREQ_5k)) {
Lightvalve 18:b8adf1582ea3 860 V_out = (double) P_GAIN_JOINT_POSITION * (0.5 * (double) pos_plus_end + 0.5 * (double) pos_minus_end - (double) pos.sen);
Lightvalve 13:747daba9cf59 861 VALVE_CENTER = VALVE_DEADZONE_PLUS = VALVE_DEADZONE_MINUS = 0;
Lightvalve 14:8e7590227d22 862
Lightvalve 14:8e7590227d22 863 } else if (temp_time <= TMR3_COUNT_DEADZONE && TMR3_COUNT_DEADZONE < (temp_time + (int) (1.9 * (double) TMR_FREQ_5k))) {
Lightvalve 18:b8adf1582ea3 864 V_out = 0;
Lightvalve 13:747daba9cf59 865 CUR_VELOCITY_sum += CUR_VELOCITY;
Lightvalve 14:8e7590227d22 866 } else if (TMR3_COUNT_DEADZONE == (temp_time + 2 * TMR_FREQ_5k)) {
Lightvalve 13:747daba9cf59 867 if (CUR_VELOCITY_sum == 0) DZ_dir = 1;
Lightvalve 13:747daba9cf59 868 else if (CUR_VELOCITY_sum > 0) DZ_dir = 1;
Lightvalve 13:747daba9cf59 869 else if (CUR_VELOCITY_sum < 0) DZ_dir = -1;
Lightvalve 13:747daba9cf59 870 else DZ_temp_cnt2 = DZ_end;
Lightvalve 13:747daba9cf59 871 CUR_VELOCITY_sum = 0;
Lightvalve 14:8e7590227d22 872 } else if (TMR3_COUNT_DEADZONE > (temp_time + 2 * TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 873 if (TMR3_COUNT_DEADZONE > (temp_time + 10 * TMR_FREQ_5k)) DZ_temp_cnt2 = DZ_end;
Lightvalve 14:8e7590227d22 874
Lightvalve 13:747daba9cf59 875 // Position of Dead Zone
Lightvalve 13:747daba9cf59 876 // (CUR_VELOCITY < 0) (CUR_VELOCITY == 0) (CUR_VELOCITY > 0)
Lightvalve 14:8e7590227d22 877 // | / | / |/
Lightvalve 13:747daba9cf59 878 // | ______/ ___|___/ ______/|
Lightvalve 13:747daba9cf59 879 // |/ / | / |
Lightvalve 13:747daba9cf59 880 // /| / | / |
Lightvalve 13:747daba9cf59 881 // 0V 0V 0V
Lightvalve 14:8e7590227d22 882
Lightvalve 13:747daba9cf59 883 if (DZ_temp_cnt2 < DZ_end) {
Lightvalve 14:8e7590227d22 884 if (TMR3_COUNT_DEADZONE % 20 != 0) {
Lightvalve 13:747daba9cf59 885 CUR_VELOCITY_sum += CUR_VELOCITY;
Lightvalve 13:747daba9cf59 886 } else {
Lightvalve 18:b8adf1582ea3 887 V_out -= DZ_dir;
Lightvalve 13:747daba9cf59 888 if (CUR_VELOCITY_sum * DZ_dir < 0) DZ_temp_cnt++;
Lightvalve 13:747daba9cf59 889 CUR_VELOCITY_sum = 0;
Lightvalve 13:747daba9cf59 890 }
Lightvalve 13:747daba9cf59 891 if (DZ_temp_cnt == 5) {
Lightvalve 18:b8adf1582ea3 892 if (DZ_dir >= 0) VALVE_DEADZONE_MINUS = (int16_t) V_out;
Lightvalve 18:b8adf1582ea3 893 else VALVE_DEADZONE_PLUS = (int16_t) V_out;
Lightvalve 13:747daba9cf59 894 DZ_dir = -DZ_dir;
Lightvalve 13:747daba9cf59 895 DZ_temp_cnt = 0;
Lightvalve 13:747daba9cf59 896 DZ_temp_cnt2++;
Lightvalve 13:747daba9cf59 897 }
Lightvalve 13:747daba9cf59 898 } else {
Lightvalve 14:8e7590227d22 899 TMR3_COUNT_DEADZONE = -1;
Lightvalve 13:747daba9cf59 900 VALVE_CENTER = VALVE_DEADZONE_PLUS / 2 + VALVE_DEADZONE_MINUS / 2;
Lightvalve 13:747daba9cf59 901 if (VALVE_DEADZONE_PLUS < VALVE_DEADZONE_MINUS) {
Lightvalve 13:747daba9cf59 902 VALVE_DEADZONE_PLUS = VALVE_CENTER;
Lightvalve 13:747daba9cf59 903 VALVE_DEADZONE_MINUS = VALVE_CENTER;
Lightvalve 13:747daba9cf59 904 }
Lightvalve 18:b8adf1582ea3 905 V_out = 0;
Lightvalve 19:23b7c1ad8683 906
Lightvalve 16:903b5a4433b4 907 ROM_RESET_DATA();
Lightvalve 19:23b7c1ad8683 908
Lightvalve 16:903b5a4433b4 909 //spi_eeprom_write(RID_VALVE_DEADZONE_PLUS, VALVE_DEADZONE_PLUS);
Lightvalve 16:903b5a4433b4 910 //spi_eeprom_write(RID_VALVE_DEADZONE_MINUS, VALVE_DEADZONE_MINUS);
Lightvalve 14:8e7590227d22 911
Lightvalve 13:747daba9cf59 912 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 13:747daba9cf59 913 DZ_temp_cnt2 = 0;
Lightvalve 13:747daba9cf59 914 }
Lightvalve 13:747daba9cf59 915 }
Lightvalve 14:8e7590227d22 916 TMR3_COUNT_DEADZONE++;
Lightvalve 13:747daba9cf59 917 break;
Lightvalve 13:747daba9cf59 918 }
Lightvalve 14:8e7590227d22 919
Lightvalve 14:8e7590227d22 920 case MODE_FIND_HOME: {
Lightvalve 19:23b7c1ad8683 921
Lightvalve 19:23b7c1ad8683 922
Lightvalve 14:8e7590227d22 923 ////////////////////////////////////////////FIND_HOME_PWM/////////////////////////////////////////////////////
Lightvalve 14:8e7590227d22 924 if (FLAG_FIND_HOME == true) {
Lightvalve 14:8e7590227d22 925 cnt_findhome = 0;
Lightvalve 14:8e7590227d22 926 cnt_vel_findhome = 0;
Lightvalve 14:8e7590227d22 927 //REFERENCE_MODE = MODE_REF_NO_ACT; // Stop taking reference data from PODO
Lightvalve 14:8e7590227d22 928 pos.ref = pos.sen;
Lightvalve 14:8e7590227d22 929 FLAG_FIND_HOME = false;
Lightvalve 14:8e7590227d22 930 }
Lightvalve 14:8e7590227d22 931
Lightvalve 14:8e7590227d22 932 int check_enc = (TMR_FREQ_5k/10);
Lightvalve 14:8e7590227d22 933 if(cnt_findhome%check_enc == 0) {
Lightvalve 14:8e7590227d22 934 FINDHOME_POSITION = pos.sen;
Lightvalve 14:8e7590227d22 935 FINDHOME_VELOCITY = FINDHOME_POSITION - FINDHOME_POSITION_OLD;
Lightvalve 14:8e7590227d22 936 FINDHOME_POSITION_OLD = FINDHOME_POSITION;
Lightvalve 14:8e7590227d22 937 }
Lightvalve 14:8e7590227d22 938 cnt_findhome++;
Lightvalve 14:8e7590227d22 939 if(cnt_findhome == 10000) cnt_findhome = 0;
Lightvalve 14:8e7590227d22 940
Lightvalve 14:8e7590227d22 941 if (abs(FINDHOME_VELOCITY) <= 1) {
Lightvalve 14:8e7590227d22 942 cnt_vel_findhome = cnt_vel_findhome + 1;
Lightvalve 14:8e7590227d22 943 } else {
Lightvalve 14:8e7590227d22 944 cnt_vel_findhome = 0;
Lightvalve 14:8e7590227d22 945 }
Lightvalve 14:8e7590227d22 946
Lightvalve 14:8e7590227d22 947 if (cnt_vel_findhome < 2*TMR_FREQ_5k) {
Lightvalve 14:8e7590227d22 948 //REFERENCE_MODE = MODE_REF_NO_ACT;
Lightvalve 14:8e7590227d22 949 if (HOMEPOS_OFFSET > 0) pos.ref = pos.ref + 1.0;
Lightvalve 14:8e7590227d22 950 else pos.ref = pos.ref - 1.0;
Lightvalve 14:8e7590227d22 951 pos.err = pos.ref - (double) pos.sen;
Lightvalve 14:8e7590227d22 952 V_out = ((double) P_GAIN_JOINT_POSITION * pos.err) * 0.01;
Lightvalve 18:b8adf1582ea3 953 // if (HOMEPOS_OFFSET > 0) V_out = 100;
Lightvalve 18:b8adf1582ea3 954 // else V_out = -100;
Lightvalve 14:8e7590227d22 955 } else {
Lightvalve 14:8e7590227d22 956 ENC_SET(HOMEPOS_OFFSET);
Lightvalve 14:8e7590227d22 957 FLAG_REFERENCE_JOINT_POSITION = 1;
Lightvalve 14:8e7590227d22 958 INIT_REF_POS = HOMEPOS_OFFSET;
Lightvalve 14:8e7590227d22 959 REF_MOVE_TIME_5k = 2 * TMR_FREQ_5k;
Lightvalve 14:8e7590227d22 960 TMR3_COUNT_REFERENCE = 0;
Lightvalve 14:8e7590227d22 961 vel.ref = 0.0;
Lightvalve 14:8e7590227d22 962 //REFERENCE_MODE = MODE_REF_COS_INC;
Lightvalve 14:8e7590227d22 963 CONTROL_MODE = MODE_JOINT_POSITION_TORQUE_CONTROL_PWM;
Lightvalve 14:8e7590227d22 964
Lightvalve 14:8e7590227d22 965 FINDHOME_POSITION = 0;
Lightvalve 14:8e7590227d22 966 FINDHOME_POSITION_OLD = 0;
Lightvalve 14:8e7590227d22 967 FINDHOME_VELOCITY = 0;
Lightvalve 14:8e7590227d22 968 cnt_findhome = 0;
Lightvalve 14:8e7590227d22 969 cnt_vel_findhome = 0;
Lightvalve 14:8e7590227d22 970 }
Lightvalve 19:23b7c1ad8683 971
Lightvalve 14:8e7590227d22 972 /*
Lightvalve 14:8e7590227d22 973 ////////////////////////////////////////////FIND_HOME_CURRENT/////////////////////////////////////////////////////
Lightvalve 13:747daba9cf59 974 if (FLAG_FIND_HOME == true) {
Lightvalve 13:747daba9cf59 975 cnt_findhome = 0;
Lightvalve 13:747daba9cf59 976 cnt_vel_findhome = 0;
Lightvalve 13:747daba9cf59 977 REFERENCE_MODE = MODE_REF_NO_ACT; // Stop taking reference data from PODO
Lightvalve 14:8e7590227d22 978 Ref_Joint_Pos = pos.sen;
Lightvalve 13:747daba9cf59 979 FLAG_FIND_HOME = false;
Lightvalve 13:747daba9cf59 980 }
Lightvalve 19:23b7c1ad8683 981
Lightvalve 14:8e7590227d22 982 int cnt_check_enc = (TMR_FREQ_5k/500);
Lightvalve 14:8e7590227d22 983 if(cnt_findhome%cnt_check_enc == 0){
Lightvalve 14:8e7590227d22 984 FINDHOME_POSITION = pos.sen;
Lightvalve 13:747daba9cf59 985 FINDHOME_VELOCITY = FINDHOME_POSITION - FINDHOME_POSITION_OLD;
Lightvalve 13:747daba9cf59 986 FINDHOME_POSITION_OLD = FINDHOME_POSITION;
Lightvalve 13:747daba9cf59 987 } cnt_findhome++;
Lightvalve 13:747daba9cf59 988 if(cnt_findhome == 10000) cnt_findhome = 0;
Lightvalve 19:23b7c1ad8683 989
Lightvalve 13:747daba9cf59 990 if (abs(FINDHOME_VELOCITY) <= 1) {
Lightvalve 13:747daba9cf59 991 cnt_vel_findhome = cnt_vel_findhome + 1;
Lightvalve 13:747daba9cf59 992 } else {
Lightvalve 13:747daba9cf59 993 cnt_vel_findhome = 0;
Lightvalve 13:747daba9cf59 994 }
Lightvalve 19:23b7c1ad8683 995
Lightvalve 14:8e7590227d22 996 if (cnt_vel_findhome < 3*TMR_FREQ_5k) { // wait for 3sec
Lightvalve 13:747daba9cf59 997 REFERENCE_MODE = MODE_REF_NO_ACT;
Lightvalve 13:747daba9cf59 998 if (HOMEPOS_OFFSET > 0) Ref_Joint_Pos = Ref_Joint_Pos + 1.0;
Lightvalve 13:747daba9cf59 999 else Ref_Joint_Pos = Ref_Joint_Pos - 1.0;
Lightvalve 14:8e7590227d22 1000 pos.err = Ref_Joint_Pos - pos.sen;
Lightvalve 19:23b7c1ad8683 1001 I_REF = 0.001*((double)pos.err);
Lightvalve 14:8e7590227d22 1002 if(I_REF>5.0) I_REF = 5.0;
Lightvalve 14:8e7590227d22 1003 if(I_REF<-5.0) I_REF = -5.0;
Lightvalve 14:8e7590227d22 1004 cur.ref = I_REF;
Lightvalve 14:8e7590227d22 1005 CurrentControl();
Lightvalve 13:747daba9cf59 1006 } else {
Lightvalve 13:747daba9cf59 1007 ENC_SET(HOMEPOS_OFFSET);
Lightvalve 13:747daba9cf59 1008 FLAG_REFERENCE_JOINT_POSITION = 1;
Lightvalve 13:747daba9cf59 1009 INIT_REF_POS = HOMEPOS_OFFSET;
Lightvalve 13:747daba9cf59 1010 REF_MOVE_TIME_5k = 2 * TMR_FREQ_5k;
Lightvalve 14:8e7590227d22 1011 TMR3_COUNT_REFERENCE = 0;
Lightvalve 13:747daba9cf59 1012 Ref_Joint_Vel = 0.0;
Lightvalve 13:747daba9cf59 1013 REFERENCE_MODE = MODE_REF_COS_INC;
Lightvalve 14:8e7590227d22 1014 CONTROL_MODE = MODE_JOINT_POSITION_TORQUE_CONTROL_VALVE_POSITION;
Lightvalve 19:23b7c1ad8683 1015
Lightvalve 13:747daba9cf59 1016 FINDHOME_POSITION = 0;
Lightvalve 13:747daba9cf59 1017 FINDHOME_POSITION_OLD = 0;
Lightvalve 13:747daba9cf59 1018 FINDHOME_VELOCITY = 0;
Lightvalve 13:747daba9cf59 1019 cnt_findhome = 0;
Lightvalve 13:747daba9cf59 1020 cnt_vel_findhome = 0;
Lightvalve 13:747daba9cf59 1021 }
Lightvalve 14:8e7590227d22 1022 */
Lightvalve 19:23b7c1ad8683 1023
Lightvalve 13:747daba9cf59 1024 break;
Lightvalve 13:747daba9cf59 1025 }
Lightvalve 14:8e7590227d22 1026
Lightvalve 14:8e7590227d22 1027 case MODE_VALVE_GAIN_SETTING: {
Lightvalve 14:8e7590227d22 1028 if (TMR3_COUNT_FLOWRATE == 0) {
Lightvalve 13:747daba9cf59 1029 if (pos_plus_end == pos_minus_end) need_enc_init = true;
Lightvalve 13:747daba9cf59 1030 else {
Lightvalve 18:b8adf1582ea3 1031 V_out = -VALVE_VOLTAGE_LIMIT;
Lightvalve 13:747daba9cf59 1032 temp_time = (int) (0.5 * (double) TMR_FREQ_5k);
Lightvalve 13:747daba9cf59 1033 }
Lightvalve 13:747daba9cf59 1034 }
Lightvalve 13:747daba9cf59 1035 if (need_enc_init) {
Lightvalve 14:8e7590227d22 1036 if (TMR3_COUNT_FLOWRATE < (int) (0.5 * (double) TMR_FREQ_5k)) {
Lightvalve 18:b8adf1582ea3 1037 V_out = VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1038 pos_plus_end = pos.sen;
Lightvalve 14:8e7590227d22 1039 } else if (TMR3_COUNT_FLOWRATE < TMR_FREQ_5k) {
Lightvalve 18:b8adf1582ea3 1040 V_out = -VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1041 pos_minus_end = pos.sen;
Lightvalve 14:8e7590227d22 1042 } else if (TMR3_COUNT_FLOWRATE == TMR_FREQ_5k) {
Lightvalve 13:747daba9cf59 1043 need_enc_init = false;
Lightvalve 13:747daba9cf59 1044 check_vel_pos_init = (int) (0.9 * (double) (pos_plus_end - pos_minus_end));
Lightvalve 13:747daba9cf59 1045 check_vel_pos_fin = (int) (0.95 * (double) (pos_plus_end - pos_minus_end));
Lightvalve 13:747daba9cf59 1046 check_vel_pos_interv = check_vel_pos_fin - check_vel_pos_init;
Lightvalve 13:747daba9cf59 1047 }
Lightvalve 13:747daba9cf59 1048 temp_time = TMR_FREQ_5k;
Lightvalve 13:747daba9cf59 1049 }
Lightvalve 14:8e7590227d22 1050 TMR3_COUNT_FLOWRATE++;
Lightvalve 14:8e7590227d22 1051 if (TMR3_COUNT_FLOWRATE > temp_time) {
Lightvalve 13:747daba9cf59 1052 if (flag_flowrate % 2 == 0) { // (+)
Lightvalve 18:b8adf1582ea3 1053 VALVE_VOLTAGE = 1000.0 * (double) (flag_flowrate / 2 + 1);
Lightvalve 18:b8adf1582ea3 1054 V_out = VALVE_VOLTAGE;
Lightvalve 14:8e7590227d22 1055 if (pos.sen > (pos_minus_end + check_vel_pos_init) && pos.sen < (pos_minus_end + check_vel_pos_fin)) {
Lightvalve 13:747daba9cf59 1056 fl_temp_cnt++;
Lightvalve 14:8e7590227d22 1057 } else if (pos.sen >= (pos_minus_end + check_vel_pos_fin) && CUR_VELOCITY == 0) {
Lightvalve 13:747daba9cf59 1058 VALVE_GAIN_LPM_PER_V[flag_flowrate] = 0.95873 * 0.5757 * (double) TMR_FREQ_5k / 10000.0 * (double) check_vel_pos_interv / (double) fl_temp_cnt / VALVE_VOLTAGE; // 0.9587=6*pi/65536*10000 0.5757=0.02525*0.02*0.0095*2*60*1000
Lightvalve 13:747daba9cf59 1059 // VALVE_GAIN_LPM_PER_V[flag_flowrate] = (double) TMR_FREQ_10k * (double) check_vel_pos_interv / (double) fl_temp_cnt / VALVE_VOLTAGE; // PULSE/sec
Lightvalve 13:747daba9cf59 1060 fl_temp_cnt2++;
Lightvalve 13:747daba9cf59 1061 }
Lightvalve 13:747daba9cf59 1062 } else if (flag_flowrate % 2 == 1) { // (-)
Lightvalve 13:747daba9cf59 1063 VALVE_VOLTAGE = -1. * (double) (flag_flowrate / 2 + 1);
Lightvalve 18:b8adf1582ea3 1064 V_out = VALVE_VOLTAGE;
Lightvalve 14:8e7590227d22 1065 if (pos.sen < (pos_plus_end - check_vel_pos_init) && pos.sen > (pos_plus_end - check_vel_pos_fin)) {
Lightvalve 13:747daba9cf59 1066 fl_temp_cnt++;
Lightvalve 14:8e7590227d22 1067 } else if (pos.sen <= (pos_plus_end - check_vel_pos_fin) && CUR_VELOCITY == 0) {
Lightvalve 13:747daba9cf59 1068 VALVE_GAIN_LPM_PER_V[flag_flowrate] = 0.95873 * 0.5757 * (double) TMR_FREQ_5k / 10000.0 * (double) check_vel_pos_interv / (double) fl_temp_cnt / (-VALVE_VOLTAGE);
Lightvalve 13:747daba9cf59 1069 // VALVE_GAIN_LPM_PER_V[flag_flowrate] = (double) TMR_FREQ_10k * (double) check_vel_pos_interv / (double) fl_temp_cnt / (-VALVE_VOLTAGE); // PULSE/sec
Lightvalve 13:747daba9cf59 1070 fl_temp_cnt2++;
Lightvalve 13:747daba9cf59 1071 }
Lightvalve 13:747daba9cf59 1072 }
Lightvalve 13:747daba9cf59 1073 if (fl_temp_cnt2 == 100) {
Lightvalve 19:23b7c1ad8683 1074
Lightvalve 16:903b5a4433b4 1075 ROM_RESET_DATA();
Lightvalve 19:23b7c1ad8683 1076
Lightvalve 16:903b5a4433b4 1077 //spi_eeprom_write(RID_VALVE_GAIN_PLUS_1 + flag_flowrate, (int16_t) (VALVE_GAIN_LPM_PER_V[flag_flowrate] * 100.0));
Lightvalve 13:747daba9cf59 1078 cur_vel_sum = 0;
Lightvalve 13:747daba9cf59 1079 fl_temp_cnt = 0;
Lightvalve 13:747daba9cf59 1080 fl_temp_cnt2 = 0;
Lightvalve 13:747daba9cf59 1081 flag_flowrate++;
Lightvalve 13:747daba9cf59 1082 }
Lightvalve 13:747daba9cf59 1083 if (flag_flowrate == 10) {
Lightvalve 18:b8adf1582ea3 1084 V_out = 0;
Lightvalve 13:747daba9cf59 1085 flag_flowrate = 0;
Lightvalve 14:8e7590227d22 1086 TMR3_COUNT_FLOWRATE = 0;
Lightvalve 13:747daba9cf59 1087 valve_gain_repeat_cnt++;
Lightvalve 13:747daba9cf59 1088 if (valve_gain_repeat_cnt >= 1) {
Lightvalve 13:747daba9cf59 1089 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 13:747daba9cf59 1090 valve_gain_repeat_cnt = 0;
Lightvalve 13:747daba9cf59 1091 }
Lightvalve 14:8e7590227d22 1092
Lightvalve 13:747daba9cf59 1093 }
Lightvalve 13:747daba9cf59 1094 break;
Lightvalve 13:747daba9cf59 1095 }
Lightvalve 14:8e7590227d22 1096
Lightvalve 13:747daba9cf59 1097 }
Lightvalve 14:8e7590227d22 1098
Lightvalve 14:8e7590227d22 1099 case MODE_PRESSURE_SENSOR_NULLING: {
Lightvalve 13:747daba9cf59 1100 // DAC Voltage reference set
Lightvalve 14:8e7590227d22 1101 if (TMR3_COUNT_PRES_NULL < TMR_FREQ_5k * 2) {
Lightvalve 14:8e7590227d22 1102 CUR_PRES_A_sum += pres_A.sen;
Lightvalve 14:8e7590227d22 1103 CUR_PRES_B_sum += pres_B.sen;
Lightvalve 14:8e7590227d22 1104
Lightvalve 14:8e7590227d22 1105 if (TMR3_COUNT_PRES_NULL % 10 == 0) {
Lightvalve 13:747daba9cf59 1106 CUR_PRES_A_mean = CUR_PRES_A_sum / 10.0;
Lightvalve 13:747daba9cf59 1107 CUR_PRES_B_mean = CUR_PRES_B_sum / 10.0;
Lightvalve 13:747daba9cf59 1108 CUR_PRES_A_sum = 0;
Lightvalve 13:747daba9cf59 1109 CUR_PRES_B_sum = 0;
Lightvalve 14:8e7590227d22 1110
Lightvalve 16:903b5a4433b4 1111 double VREF_NullingGain = 0.003;
Lightvalve 13:747daba9cf59 1112 PRES_A_VREF -= VREF_NullingGain * (PRES_A_NULL - CUR_PRES_A_mean);
Lightvalve 13:747daba9cf59 1113 PRES_B_VREF -= VREF_NullingGain * (PRES_B_NULL - CUR_PRES_B_mean);
Lightvalve 14:8e7590227d22 1114
Lightvalve 13:747daba9cf59 1115 if (PRES_A_VREF > 3.3) PRES_A_VREF = 3.3;
Lightvalve 13:747daba9cf59 1116 if (PRES_A_VREF < 0) PRES_A_VREF = 0;
Lightvalve 13:747daba9cf59 1117 if (PRES_B_VREF > 3.3) PRES_B_VREF = 3.3;
Lightvalve 13:747daba9cf59 1118 if (PRES_B_VREF < 0) PRES_B_VREF = 0;
Lightvalve 19:23b7c1ad8683 1119
Lightvalve 16:903b5a4433b4 1120 dac_1 = PRES_A_VREF / 3.3;
Lightvalve 16:903b5a4433b4 1121 dac_2 = PRES_B_VREF / 3.3;
Lightvalve 13:747daba9cf59 1122 }
Lightvalve 13:747daba9cf59 1123 } else {
Lightvalve 13:747daba9cf59 1124 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 14:8e7590227d22 1125 TMR3_COUNT_PRES_NULL = 0;
Lightvalve 13:747daba9cf59 1126 CUR_PRES_A_sum = 0;
Lightvalve 13:747daba9cf59 1127 CUR_PRES_B_sum = 0;
Lightvalve 13:747daba9cf59 1128 CUR_PRES_A_mean = 0;
Lightvalve 13:747daba9cf59 1129 CUR_PRES_B_mean = 0;
Lightvalve 14:8e7590227d22 1130
Lightvalve 16:903b5a4433b4 1131 ROM_RESET_DATA();
Lightvalve 19:23b7c1ad8683 1132
Lightvalve 15:bd0d12728506 1133 dac_1 = PRES_A_VREF / 3.3;
Lightvalve 15:bd0d12728506 1134 dac_2 = PRES_B_VREF / 3.3;
Lightvalve 17:1865016ca2e7 1135 //pc.printf("nulling end");
Lightvalve 13:747daba9cf59 1136 }
Lightvalve 14:8e7590227d22 1137 TMR3_COUNT_PRES_NULL++;
Lightvalve 13:747daba9cf59 1138 break;
Lightvalve 13:747daba9cf59 1139 }
Lightvalve 14:8e7590227d22 1140
Lightvalve 14:8e7590227d22 1141 case MODE_PRESSURE_SENSOR_CALIB: {
Lightvalve 14:8e7590227d22 1142 if (TMR3_COUNT_PRES_CALIB < 2 * TMR_FREQ_5k) {
Lightvalve 18:b8adf1582ea3 1143 V_out = -VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1144 if (TMR3_COUNT_PRES_CALIB >= TMR_FREQ_5k) {
Lightvalve 13:747daba9cf59 1145 CUR_PRES_A_sum += CUR_PRES_A;
Lightvalve 13:747daba9cf59 1146 }
Lightvalve 14:8e7590227d22 1147 } else if (TMR3_COUNT_PRES_CALIB < 4 * TMR_FREQ_5k) {
Lightvalve 18:b8adf1582ea3 1148 V_out = VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1149 if (TMR3_COUNT_PRES_CALIB >= 3 * TMR_FREQ_5k) {
Lightvalve 13:747daba9cf59 1150 CUR_PRES_B_sum += CUR_PRES_B;
Lightvalve 13:747daba9cf59 1151 }
Lightvalve 13:747daba9cf59 1152 } else {
Lightvalve 13:747daba9cf59 1153 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 14:8e7590227d22 1154 TMR3_COUNT_PRES_CALIB = 0;
Lightvalve 18:b8adf1582ea3 1155 V_out = 0;
Lightvalve 18:b8adf1582ea3 1156 PRES_SENSOR_A_PULSE_PER_BAR = CUR_PRES_A_sum / ((double) TMR_FREQ_5k - 1.0) - PRES_A_NULL;
Lightvalve 18:b8adf1582ea3 1157 PRES_SENSOR_A_PULSE_PER_BAR = PRES_SENSOR_A_PULSE_PER_BAR / ((double) PRES_SUPPLY - 1.0);
Lightvalve 18:b8adf1582ea3 1158 PRES_SENSOR_B_PULSE_PER_BAR = CUR_PRES_B_sum / ((double) TMR_FREQ_5k - 1.0) - PRES_B_NULL;
Lightvalve 18:b8adf1582ea3 1159 PRES_SENSOR_B_PULSE_PER_BAR = PRES_SENSOR_B_PULSE_PER_BAR / ((double) PRES_SUPPLY - 1.0);
Lightvalve 13:747daba9cf59 1160 CUR_PRES_A_sum = 0;
Lightvalve 13:747daba9cf59 1161 CUR_PRES_B_sum = 0;
Lightvalve 13:747daba9cf59 1162 CUR_PRES_A_mean = 0;
Lightvalve 13:747daba9cf59 1163 CUR_PRES_B_mean = 0;
Lightvalve 19:23b7c1ad8683 1164
Lightvalve 16:903b5a4433b4 1165 ROM_RESET_DATA();
Lightvalve 14:8e7590227d22 1166
Lightvalve 16:903b5a4433b4 1167 //spi_eeprom_write(RID_PRES_SENSOR_A_PULSE_PER_BAR, (int16_t) (PRES_SENSOR_A_PULSE_PER_BAR * 100.0));
Lightvalve 16:903b5a4433b4 1168 //spi_eeprom_write(RID_PRES_SENSOR_B_PULSE_PER_BAR, (int16_t) (PRES_SENSOR_B_PULSE_PER_BAR * 100.0));
Lightvalve 13:747daba9cf59 1169 }
Lightvalve 14:8e7590227d22 1170 TMR3_COUNT_PRES_CALIB++;
Lightvalve 13:747daba9cf59 1171 break;
Lightvalve 13:747daba9cf59 1172 }
Lightvalve 14:8e7590227d22 1173
Lightvalve 14:8e7590227d22 1174 case MODE_ROTARY_FRICTION_TUNING: {
Lightvalve 14:8e7590227d22 1175 if (TMR3_COUNT_ROTARY_FRIC_TUNE % (5 * TMR_FREQ_5k) == 0) freq_fric_tune = 4 + 3. * sin(2 * 3.14159 * 0.5 * TMR3_COUNT_ROTARY_FRIC_TUNE * 0.0001 * 0.05);
Lightvalve 18:b8adf1582ea3 1176 V_out = PWM_out * sin(2 * 3.14159 * freq_fric_tune * TMR3_COUNT_ROTARY_FRIC_TUNE * 0.0001);
Lightvalve 18:b8adf1582ea3 1177 if (V_out > 0) V_out = VALVE_VOLTAGE_LIMIT;
Lightvalve 18:b8adf1582ea3 1178 else V_out = -VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1179 TMR3_COUNT_ROTARY_FRIC_TUNE++;
Lightvalve 14:8e7590227d22 1180 if (TMR3_COUNT_ROTARY_FRIC_TUNE > TUNING_TIME * TMR_FREQ_5k) {
Lightvalve 14:8e7590227d22 1181 TMR3_COUNT_ROTARY_FRIC_TUNE = 0;
Lightvalve 17:1865016ca2e7 1182 V_out = 0;
Lightvalve 13:747daba9cf59 1183 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 13:747daba9cf59 1184 }
Lightvalve 13:747daba9cf59 1185 break;
Lightvalve 13:747daba9cf59 1186 }
Lightvalve 14:8e7590227d22 1187
Lightvalve 14:8e7590227d22 1188 case MODE_DDV_POS_VS_PWM_ID: {
Lightvalve 13:747daba9cf59 1189 VALVE_ID_timer = VALVE_ID_timer + 1;
Lightvalve 14:8e7590227d22 1190
Lightvalve 14:8e7590227d22 1191 if(VALVE_ID_timer < TMR_FREQ_5k*1) {
Lightvalve 18:b8adf1582ea3 1192 V_out = 3000.0 * sin(2*3.14*VALVE_ID_timer/TMR_FREQ_5k * 100.0);
Lightvalve 14:8e7590227d22 1193 } else if(VALVE_ID_timer < TMR_FREQ_5k*2) {
Lightvalve 18:b8adf1582ea3 1194 V_out = 1000.0*(ID_index_array[ID_index]);
Lightvalve 14:8e7590227d22 1195 } else if(VALVE_ID_timer == TMR_FREQ_5k*2) {
Lightvalve 13:747daba9cf59 1196 VALVE_POS_TMP = 0;
Lightvalve 13:747daba9cf59 1197 data_num = 0;
Lightvalve 14:8e7590227d22 1198 } else if(VALVE_ID_timer < TMR_FREQ_5k*3) {
Lightvalve 13:747daba9cf59 1199 data_num = data_num + 1;
Lightvalve 13:747daba9cf59 1200 VALVE_POS_TMP = VALVE_POS_TMP + value;
Lightvalve 14:8e7590227d22 1201 } else if(VALVE_ID_timer == TMR_FREQ_5k*3) {
Lightvalve 13:747daba9cf59 1202 VALVE_POS_AVG[ID_index] = VALVE_POS_TMP / data_num;
Lightvalve 13:747daba9cf59 1203 VALVE_ID_timer = 0;
Lightvalve 13:747daba9cf59 1204 ID_index= ID_index +1;
Lightvalve 13:747daba9cf59 1205 }
Lightvalve 14:8e7590227d22 1206
Lightvalve 17:1865016ca2e7 1207 if(ID_index>=25) {
Lightvalve 13:747daba9cf59 1208 int i;
Lightvalve 13:747daba9cf59 1209 VALVE_POS_AVG_OLD = VALVE_POS_AVG[0];
Lightvalve 17:1865016ca2e7 1210 for(i=0; i<25; i++) {
Lightvalve 13:747daba9cf59 1211 VALVE_POS_VS_PWM[i] = (int16_t) (VALVE_POS_AVG[i]);
Lightvalve 14:8e7590227d22 1212 if(VALVE_POS_AVG[i] > VALVE_POS_AVG_OLD) {
Lightvalve 13:747daba9cf59 1213 VALVE_MAX_POS = VALVE_POS_AVG[i];
Lightvalve 13:747daba9cf59 1214 VALVE_POS_AVG_OLD = VALVE_MAX_POS;
Lightvalve 14:8e7590227d22 1215 } else if(VALVE_POS_AVG[i] < VALVE_POS_AVG_OLD) {
Lightvalve 13:747daba9cf59 1216 VALVE_MIN_POS = VALVE_POS_AVG[i];
Lightvalve 13:747daba9cf59 1217 VALVE_POS_AVG_OLD = VALVE_MIN_POS;
Lightvalve 13:747daba9cf59 1218 }
Lightvalve 13:747daba9cf59 1219 }
Lightvalve 16:903b5a4433b4 1220 ROM_RESET_DATA();
Lightvalve 13:747daba9cf59 1221 ID_index = 0;
Lightvalve 13:747daba9cf59 1222 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 13:747daba9cf59 1223 }
Lightvalve 14:8e7590227d22 1224
Lightvalve 14:8e7590227d22 1225
Lightvalve 13:747daba9cf59 1226 break;
Lightvalve 13:747daba9cf59 1227 }
Lightvalve 14:8e7590227d22 1228
Lightvalve 14:8e7590227d22 1229 case MODE_DDV_DEADZONE_AND_CENTER: {
Lightvalve 14:8e7590227d22 1230
Lightvalve 13:747daba9cf59 1231 VALVE_DZ_timer = VALVE_DZ_timer + 1;
Lightvalve 14:8e7590227d22 1232 if(first_check == 0) {
Lightvalve 14:8e7590227d22 1233 if(VALVE_DZ_timer < (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 18:b8adf1582ea3 1234 V_out = VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1235 } else if(VALVE_DZ_timer == (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 18:b8adf1582ea3 1236 V_out = VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1237 pos_plus_end = pos.sen;
Lightvalve 14:8e7590227d22 1238 } else if(VALVE_DZ_timer < (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 18:b8adf1582ea3 1239 V_out = -VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1240 } else if(VALVE_DZ_timer == (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 18:b8adf1582ea3 1241 V_out = -VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1242 pos_minus_end = pos.sen;
Lightvalve 14:8e7590227d22 1243 } else if(VALVE_DZ_timer < (int) (3.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1244 V_out = (double) P_GAIN_JOINT_POSITION * 0.01 * (0.5 * (double) pos_plus_end + 0.5 * (double) pos_minus_end - (double) pos.sen);
Lightvalve 14:8e7590227d22 1245 } else if(VALVE_DZ_timer < (int) (4.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1246 V_out = (double) P_GAIN_JOINT_POSITION * 0.01 * (0.5 * (double) pos_plus_end + 0.5 * (double) pos_minus_end - (double) pos.sen);
Lightvalve 13:747daba9cf59 1247 data_num = data_num + 1;
Lightvalve 13:747daba9cf59 1248 VALVE_POS_TMP = VALVE_POS_TMP + value;
Lightvalve 14:8e7590227d22 1249 } else if(VALVE_DZ_timer == (int) (4.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1250 V_out = (double) P_GAIN_JOINT_POSITION * 0.01 * (0.5 * (double) pos_plus_end + 0.5 * (double) pos_minus_end - (double) pos.sen);
Lightvalve 13:747daba9cf59 1251 DDV_POS_AVG = VALVE_POS_TMP / data_num;
Lightvalve 14:8e7590227d22 1252 START_POS = pos.sen;
Lightvalve 23:59218d4a256d 1253 //CAN_TX_PRES((int16_t) (DDV_POS_AVG), (int16_t) (data_num));
Lightvalve 13:747daba9cf59 1254 VALVE_POS_TMP = 0;
Lightvalve 13:747daba9cf59 1255 data_num = 0;
Lightvalve 14:8e7590227d22 1256
Lightvalve 14:8e7590227d22 1257 } else if(VALVE_DZ_timer < (int) (5.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1258 valve_pos.ref = DDV_POS_AVG;
Lightvalve 14:8e7590227d22 1259 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 13:747daba9cf59 1260 //CAN_TX_PRES((int16_t) (VALVE_MAX_POS), (int16_t) (VALVE_MIN_POS));
Lightvalve 14:8e7590227d22 1261
Lightvalve 14:8e7590227d22 1262 } else if(VALVE_DZ_timer < (int) (6.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1263 valve_pos.ref = DDV_POS_AVG;
Lightvalve 14:8e7590227d22 1264 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 13:747daba9cf59 1265 if(CUR_VELOCITY >= 0)
Lightvalve 13:747daba9cf59 1266 VEL_POINT = VEL_POINT + 1;
Lightvalve 13:747daba9cf59 1267 else
Lightvalve 13:747daba9cf59 1268 VEL_POINT = VEL_POINT - 1;
Lightvalve 14:8e7590227d22 1269 } else if(VALVE_DZ_timer == (int) (6.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1270 valve_pos.ref = DDV_POS_AVG;
Lightvalve 14:8e7590227d22 1271 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 14:8e7590227d22 1272 FINAL_POS = pos.sen;
Lightvalve 14:8e7590227d22 1273 // if(VEL_POINT >= 0)
Lightvalve 14:8e7590227d22 1274 // {
Lightvalve 14:8e7590227d22 1275 // DZ_case = 1;
Lightvalve 14:8e7590227d22 1276 // }
Lightvalve 14:8e7590227d22 1277 // else
Lightvalve 14:8e7590227d22 1278 // {
Lightvalve 14:8e7590227d22 1279 // DZ_case = -1;
Lightvalve 14:8e7590227d22 1280 // }
Lightvalve 14:8e7590227d22 1281 // if(abs(FINAL_POS - START_POS) < 100)
Lightvalve 14:8e7590227d22 1282 // {
Lightvalve 14:8e7590227d22 1283 // DZ_case = 0;
Lightvalve 14:8e7590227d22 1284 // }
Lightvalve 14:8e7590227d22 1285
Lightvalve 14:8e7590227d22 1286 if((FINAL_POS - START_POS)>100) {
Lightvalve 13:747daba9cf59 1287 DZ_case = 1;
Lightvalve 14:8e7590227d22 1288 } else if((FINAL_POS - START_POS)<-100) {
Lightvalve 13:747daba9cf59 1289 DZ_case = -1;
Lightvalve 14:8e7590227d22 1290 } else {
Lightvalve 13:747daba9cf59 1291 DZ_case = 0;
Lightvalve 13:747daba9cf59 1292 }
Lightvalve 14:8e7590227d22 1293
Lightvalve 14:8e7590227d22 1294 VEL_POINT = 0;
Lightvalve 13:747daba9cf59 1295 first_check = 1;
Lightvalve 13:747daba9cf59 1296 DZ_DIRECTION = 1;
Lightvalve 13:747daba9cf59 1297 VALVE_DZ_timer = 0;
Lightvalve 13:747daba9cf59 1298 Ref_Valve_Pos_Old = DDV_POS_AVG;
Lightvalve 13:747daba9cf59 1299 DZ_NUM = 1;
Lightvalve 13:747daba9cf59 1300 DZ_index = 1;
Lightvalve 18:b8adf1582ea3 1301 //CAN_TX_PRES((int16_t) (DZ_case), (int16_t) (DZ_NUM));
Lightvalve 14:8e7590227d22 1302
Lightvalve 13:747daba9cf59 1303 }
Lightvalve 19:23b7c1ad8683 1304 } else {
Lightvalve 14:8e7590227d22 1305 if((DZ_case == -1 && DZ_NUM == 1) | (DZ_case == 1 && DZ_NUM == 1)) {
Lightvalve 14:8e7590227d22 1306 if(VALVE_DZ_timer < (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1307 V_out = (double) P_GAIN_JOINT_POSITION * 0.01 * (0.5 * (double) pos_plus_end + 0.5 * (double) pos_minus_end - (double) pos.sen);
Lightvalve 14:8e7590227d22 1308 } else if(VALVE_DZ_timer == (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1309 START_POS = pos.sen;
Lightvalve 14:8e7590227d22 1310 } else if(VALVE_DZ_timer < (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1311 valve_pos.ref = Ref_Valve_Pos_Old - DZ_case * DZ_DIRECTION * 64 / DZ_index;
Lightvalve 14:8e7590227d22 1312 if(valve_pos.ref <= VALVE_MIN_POS) {
Lightvalve 14:8e7590227d22 1313 valve_pos.ref = VALVE_MIN_POS;
Lightvalve 14:8e7590227d22 1314 } else if(valve_pos.ref >= VALVE_MAX_POS) {
Lightvalve 14:8e7590227d22 1315 valve_pos.ref = VALVE_MAX_POS;
Lightvalve 13:747daba9cf59 1316 }
Lightvalve 14:8e7590227d22 1317 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 13:747daba9cf59 1318 if(CUR_VELOCITY >= 0)
Lightvalve 13:747daba9cf59 1319 VEL_POINT = VEL_POINT + 1;
Lightvalve 13:747daba9cf59 1320 else
Lightvalve 13:747daba9cf59 1321 VEL_POINT = VEL_POINT - 1;
Lightvalve 14:8e7590227d22 1322 } else if(VALVE_DZ_timer == (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1323 Ref_Valve_Pos_Old = valve_pos.ref;
Lightvalve 14:8e7590227d22 1324 FINAL_POS = pos.sen;
Lightvalve 14:8e7590227d22 1325 // if(VEL_POINT >= 0)
Lightvalve 14:8e7590227d22 1326 // DZ_DIRECTION = 1 * DZ_case;
Lightvalve 14:8e7590227d22 1327 // else
Lightvalve 14:8e7590227d22 1328 // DZ_DIRECTION = -1 * DZ_case;
Lightvalve 14:8e7590227d22 1329 // if(abs(FINAL_POS - START_POS) < 100)
Lightvalve 14:8e7590227d22 1330 // DZ_DIRECTION = 1 * DZ_case;
Lightvalve 14:8e7590227d22 1331
Lightvalve 14:8e7590227d22 1332 if((FINAL_POS - START_POS)>100) {
Lightvalve 14:8e7590227d22 1333 DZ_DIRECTION = 1 * DZ_case;
Lightvalve 14:8e7590227d22 1334 } else if((FINAL_POS - START_POS)<-100) {
Lightvalve 14:8e7590227d22 1335 DZ_DIRECTION = -1 * DZ_case;
Lightvalve 14:8e7590227d22 1336 } else {
Lightvalve 13:747daba9cf59 1337 DZ_DIRECTION = 1 * DZ_case;
Lightvalve 13:747daba9cf59 1338 }
Lightvalve 14:8e7590227d22 1339
Lightvalve 14:8e7590227d22 1340 VEL_POINT = 0;
Lightvalve 14:8e7590227d22 1341
Lightvalve 13:747daba9cf59 1342 VALVE_DZ_timer = 0;
Lightvalve 13:747daba9cf59 1343 DZ_index= DZ_index *2;
Lightvalve 14:8e7590227d22 1344 if(DZ_index >= 128) {
Lightvalve 14:8e7590227d22 1345 FIRST_DZ = valve_pos.ref;
Lightvalve 13:747daba9cf59 1346 DZ_NUM = 2;
Lightvalve 13:747daba9cf59 1347 Ref_Valve_Pos_Old = FIRST_DZ;
Lightvalve 13:747daba9cf59 1348 DZ_index = 1;
Lightvalve 13:747daba9cf59 1349 DZ_DIRECTION = 1;
Lightvalve 13:747daba9cf59 1350 }
Lightvalve 14:8e7590227d22 1351
Lightvalve 13:747daba9cf59 1352 //CAN_TX_PRES((int16_t) (1), (int16_t) (DZ_index));
Lightvalve 13:747daba9cf59 1353 }
Lightvalve 14:8e7590227d22 1354 } else if((DZ_case == -1 && DZ_NUM == 2) | (DZ_case == 1 && DZ_NUM == 2)) {
Lightvalve 14:8e7590227d22 1355 if(VALVE_DZ_timer < (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1356 V_out = (double) P_GAIN_JOINT_POSITION * 0.01 * (0.5 * (double) pos_plus_end + 0.5 * (double) pos_minus_end - (double) pos.sen);
Lightvalve 14:8e7590227d22 1357 } else if(VALVE_DZ_timer == (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1358 START_POS = pos.sen;
Lightvalve 14:8e7590227d22 1359 } else if(VALVE_DZ_timer < (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 18:b8adf1582ea3 1360 valve_pos.ref = Ref_Valve_Pos_Old + DZ_DIRECTION * 64 / DZ_index;
Lightvalve 14:8e7590227d22 1361 if(valve_pos.ref <= VALVE_MIN_POS) {
Lightvalve 14:8e7590227d22 1362 valve_pos.ref = VALVE_MIN_POS;
Lightvalve 14:8e7590227d22 1363 } else if(valve_pos.ref >= VALVE_MAX_POS) {
Lightvalve 14:8e7590227d22 1364 valve_pos.ref = VALVE_MAX_POS;
Lightvalve 13:747daba9cf59 1365 }
Lightvalve 14:8e7590227d22 1366 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 13:747daba9cf59 1367 if(CUR_VELOCITY >= 0)
Lightvalve 13:747daba9cf59 1368 VEL_POINT = VEL_POINT + 1;
Lightvalve 13:747daba9cf59 1369 else
Lightvalve 13:747daba9cf59 1370 VEL_POINT = VEL_POINT - 1;
Lightvalve 14:8e7590227d22 1371 } else if(VALVE_DZ_timer == (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1372 Ref_Valve_Pos_Old = valve_pos.ref;
Lightvalve 14:8e7590227d22 1373 FINAL_POS = pos.sen;
Lightvalve 14:8e7590227d22 1374 // if(VEL_POINT >= 0)
Lightvalve 14:8e7590227d22 1375 // DZ_DIRECTION = 1 * DZ_case;
Lightvalve 14:8e7590227d22 1376 // else
Lightvalve 14:8e7590227d22 1377 // DZ_DIRECTION = -1 * DZ_case;
Lightvalve 14:8e7590227d22 1378 // if(abs(FINAL_POS - START_POS) < 100)
Lightvalve 14:8e7590227d22 1379 // DZ_DIRECTION = -1 * DZ_case;
Lightvalve 14:8e7590227d22 1380
Lightvalve 14:8e7590227d22 1381 if((FINAL_POS - START_POS)>100) {
Lightvalve 13:747daba9cf59 1382 DZ_DIRECTION = -1;
Lightvalve 14:8e7590227d22 1383 } else if((FINAL_POS - START_POS)<-100) {
Lightvalve 14:8e7590227d22 1384 DZ_DIRECTION = 1;
Lightvalve 14:8e7590227d22 1385 } else {
Lightvalve 13:747daba9cf59 1386 DZ_DIRECTION = 1;
Lightvalve 13:747daba9cf59 1387 }
Lightvalve 14:8e7590227d22 1388
Lightvalve 14:8e7590227d22 1389 VEL_POINT = 0;
Lightvalve 14:8e7590227d22 1390
Lightvalve 14:8e7590227d22 1391
Lightvalve 13:747daba9cf59 1392 VALVE_DZ_timer = 0;
Lightvalve 13:747daba9cf59 1393 DZ_index= DZ_index *2;
Lightvalve 14:8e7590227d22 1394 if(DZ_index >= 128) {
Lightvalve 14:8e7590227d22 1395 SECOND_DZ = valve_pos.ref;
Lightvalve 13:747daba9cf59 1396 DDV_CENTER = (int) (0.5 * (double) (FIRST_DZ) + 0.5 * (double) (SECOND_DZ));
Lightvalve 13:747daba9cf59 1397 first_check = 0;
Lightvalve 19:23b7c1ad8683 1398 VALVE_DEADZONE_MINUS = FIRST_DZ;
Lightvalve 19:23b7c1ad8683 1399 VALVE_DEADZONE_PLUS = SECOND_DZ;
Lightvalve 19:23b7c1ad8683 1400
Lightvalve 16:903b5a4433b4 1401 ROM_RESET_DATA();
Lightvalve 19:23b7c1ad8683 1402
Lightvalve 16:903b5a4433b4 1403 //spi_eeprom_write(RID_VALVE_DEADZONE_PLUS, FIRST_DZ);
Lightvalve 16:903b5a4433b4 1404 //spi_eeprom_write(RID_VALVE_DEADZONE_MINUS, SECOND_DZ);
Lightvalve 18:b8adf1582ea3 1405 //spi_eeprom_write(RID_DDV_CENTER, DDV_CENTER);
Lightvalve 13:747daba9cf59 1406 //CAN_TX_PRES((int16_t) FIRST_DZ, (int16_t) SECOND_DZ);
Lightvalve 13:747daba9cf59 1407 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 13:747daba9cf59 1408 DZ_index = 1;
Lightvalve 13:747daba9cf59 1409 }
Lightvalve 14:8e7590227d22 1410
Lightvalve 23:59218d4a256d 1411 //CAN_TX_PRES((int16_t) (2), (int16_t) (DZ_index));
Lightvalve 13:747daba9cf59 1412 }
Lightvalve 14:8e7590227d22 1413 } else if(DZ_case == 0 && DZ_NUM ==1) {
Lightvalve 14:8e7590227d22 1414 if(VALVE_DZ_timer < (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1415 V_out = (double) P_GAIN_JOINT_POSITION * 0.01* (0.5 * (double) pos_plus_end + 0.5 * (double) pos_minus_end - (double) pos.sen);
Lightvalve 14:8e7590227d22 1416 } else if(VALVE_DZ_timer == (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1417 START_POS = pos.sen;
Lightvalve 14:8e7590227d22 1418 } else if(VALVE_DZ_timer < (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1419 valve_pos.ref = Ref_Valve_Pos_Old - DZ_DIRECTION * 64 / DZ_index;
Lightvalve 14:8e7590227d22 1420 if(valve_pos.ref <= VALVE_MIN_POS) {
Lightvalve 14:8e7590227d22 1421 valve_pos.ref = VALVE_MIN_POS;
Lightvalve 14:8e7590227d22 1422 } else if(valve_pos.ref >= VALVE_MAX_POS) {
Lightvalve 14:8e7590227d22 1423 valve_pos.ref = VALVE_MAX_POS;
Lightvalve 13:747daba9cf59 1424 }
Lightvalve 14:8e7590227d22 1425 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 13:747daba9cf59 1426 if(CUR_VELOCITY >= 0)
Lightvalve 13:747daba9cf59 1427 VEL_POINT = VEL_POINT + 1;
Lightvalve 13:747daba9cf59 1428 else
Lightvalve 13:747daba9cf59 1429 VEL_POINT = VEL_POINT - 1;
Lightvalve 14:8e7590227d22 1430 } else if(VALVE_DZ_timer == (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1431 Ref_Valve_Pos_Old = valve_pos.ref;
Lightvalve 14:8e7590227d22 1432 FINAL_POS = pos.sen;
Lightvalve 14:8e7590227d22 1433 // if(VEL_POINT >= 0)
Lightvalve 14:8e7590227d22 1434 // DZ_DIRECTION = 1;
Lightvalve 14:8e7590227d22 1435 // else
Lightvalve 14:8e7590227d22 1436 // DZ_DIRECTION = -1;
Lightvalve 14:8e7590227d22 1437 // if(abs(FINAL_POS - START_POS) < 100)
Lightvalve 14:8e7590227d22 1438 // DZ_DIRECTION = 1;
Lightvalve 14:8e7590227d22 1439
Lightvalve 14:8e7590227d22 1440 if((FINAL_POS - START_POS)>100) {
Lightvalve 14:8e7590227d22 1441 DZ_DIRECTION = 1;
Lightvalve 14:8e7590227d22 1442 } else if((FINAL_POS - START_POS)<-100) {
Lightvalve 14:8e7590227d22 1443 DZ_DIRECTION = -1;
Lightvalve 14:8e7590227d22 1444 } else {
Lightvalve 13:747daba9cf59 1445 DZ_DIRECTION = 1;
Lightvalve 13:747daba9cf59 1446 }
Lightvalve 14:8e7590227d22 1447
Lightvalve 14:8e7590227d22 1448 VEL_POINT = 0;
Lightvalve 13:747daba9cf59 1449 //CAN_TX_PRES((int16_t) (7), (int16_t) (DZ_DIRECTION));
Lightvalve 13:747daba9cf59 1450 VALVE_DZ_timer = 0;
Lightvalve 13:747daba9cf59 1451 DZ_index= DZ_index *2;
Lightvalve 14:8e7590227d22 1452 if(DZ_index >= 128) {
Lightvalve 14:8e7590227d22 1453 FIRST_DZ = valve_pos.ref;
Lightvalve 13:747daba9cf59 1454 DZ_NUM = 2;
Lightvalve 13:747daba9cf59 1455 Ref_Valve_Pos_Old = FIRST_DZ;
Lightvalve 13:747daba9cf59 1456 DZ_index = 1;
Lightvalve 13:747daba9cf59 1457 DZ_DIRECTION = 1;
Lightvalve 13:747daba9cf59 1458 }
Lightvalve 13:747daba9cf59 1459 }
Lightvalve 14:8e7590227d22 1460 } else {
Lightvalve 14:8e7590227d22 1461 if(VALVE_DZ_timer < (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1462 V_out = (double) P_GAIN_JOINT_POSITION * 0.01* (0.5 * (double) pos_plus_end + 0.5 * (double) pos_minus_end - (double) pos.sen);
Lightvalve 14:8e7590227d22 1463 } else if(VALVE_DZ_timer == (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1464 START_POS = pos.sen;
Lightvalve 14:8e7590227d22 1465 } else if(VALVE_DZ_timer < (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1466 valve_pos.ref = Ref_Valve_Pos_Old + DZ_DIRECTION * 64 / DZ_index;
Lightvalve 14:8e7590227d22 1467 if(valve_pos.ref <= VALVE_MIN_POS) {
Lightvalve 14:8e7590227d22 1468 valve_pos.ref = VALVE_MIN_POS;
Lightvalve 14:8e7590227d22 1469 } else if(valve_pos.ref > VALVE_MAX_POS) {
Lightvalve 14:8e7590227d22 1470 valve_pos.ref = VALVE_MAX_POS - 1;
Lightvalve 13:747daba9cf59 1471 }
Lightvalve 14:8e7590227d22 1472 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 13:747daba9cf59 1473 if(CUR_VELOCITY >= 0)
Lightvalve 13:747daba9cf59 1474 VEL_POINT = VEL_POINT + 1;
Lightvalve 13:747daba9cf59 1475 else
Lightvalve 13:747daba9cf59 1476 VEL_POINT = VEL_POINT - 1;
Lightvalve 14:8e7590227d22 1477 } else if(VALVE_DZ_timer == (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1478 Ref_Valve_Pos_Old = valve_pos.ref;
Lightvalve 14:8e7590227d22 1479 FINAL_POS = pos.sen;
Lightvalve 13:747daba9cf59 1480 if(VEL_POINT >= 0)
Lightvalve 13:747daba9cf59 1481 DZ_DIRECTION = -1;
Lightvalve 13:747daba9cf59 1482 else
Lightvalve 13:747daba9cf59 1483 DZ_DIRECTION = 1;
Lightvalve 13:747daba9cf59 1484 if(abs(FINAL_POS - START_POS) < 100)
Lightvalve 13:747daba9cf59 1485 DZ_DIRECTION = 1;
Lightvalve 14:8e7590227d22 1486
Lightvalve 14:8e7590227d22 1487 VEL_POINT = 0;
Lightvalve 14:8e7590227d22 1488
Lightvalve 14:8e7590227d22 1489
Lightvalve 13:747daba9cf59 1490 VALVE_DZ_timer = 0;
Lightvalve 13:747daba9cf59 1491 //CAN_TX_PRES((int16_t) (3), (int16_t) (DZ_index));
Lightvalve 13:747daba9cf59 1492 DZ_index= DZ_index *2;
Lightvalve 14:8e7590227d22 1493 if(DZ_index >= 128) {
Lightvalve 14:8e7590227d22 1494 SECOND_DZ = valve_pos.ref;
Lightvalve 13:747daba9cf59 1495 DDV_CENTER = (int) (0.5 * (double) (FIRST_DZ) + 0.5 * (double) (SECOND_DZ));
Lightvalve 13:747daba9cf59 1496 first_check = 0;
Lightvalve 13:747daba9cf59 1497 VALVE_DEADZONE_MINUS = FIRST_DZ;
Lightvalve 16:903b5a4433b4 1498 //spi_eeprom_write(RID_VALVE_DEADZONE_PLUS, FIRST_DZ);
Lightvalve 13:747daba9cf59 1499 VALVE_DEADZONE_PLUS = SECOND_DZ;
Lightvalve 16:903b5a4433b4 1500 ROM_RESET_DATA();
Lightvalve 19:23b7c1ad8683 1501
Lightvalve 16:903b5a4433b4 1502 //spi_eeprom_write(RID_VALVE_DEADZONE_MINUS, SECOND_DZ);
Lightvalve 18:b8adf1582ea3 1503 //spi_eeprom_write(RID_DDV_CENTER, DDV_CENTER);
Lightvalve 23:59218d4a256d 1504 //CAN_TX_PRES((int16_t) FIRST_DZ, (int16_t) SECOND_DZ);
Lightvalve 13:747daba9cf59 1505 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 13:747daba9cf59 1506 DZ_index = 1;
Lightvalve 13:747daba9cf59 1507 }
Lightvalve 14:8e7590227d22 1508
Lightvalve 13:747daba9cf59 1509 //CAN_TX_PRES((int16_t) (4), (int16_t) (DZ_index));
Lightvalve 13:747daba9cf59 1510 }
Lightvalve 13:747daba9cf59 1511 }
Lightvalve 14:8e7590227d22 1512 }
Lightvalve 13:747daba9cf59 1513 break;
Lightvalve 13:747daba9cf59 1514 }
Lightvalve 14:8e7590227d22 1515
Lightvalve 14:8e7590227d22 1516 case MODE_DDV_POS_VS_FLOWRATE: {
Lightvalve 13:747daba9cf59 1517 VALVE_FR_timer = VALVE_FR_timer + 1;
Lightvalve 14:8e7590227d22 1518 if(first_check == 0) {
Lightvalve 14:8e7590227d22 1519 if(VALVE_FR_timer < (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 18:b8adf1582ea3 1520 V_out = VALVE_VOLTAGE_LIMIT;
Lightvalve 23:59218d4a256d 1521 //CAN_TX_PRES((int16_t) (VALVE_FR_timer), (int16_t) (6));
Lightvalve 14:8e7590227d22 1522 } else if(VALVE_FR_timer == (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 18:b8adf1582ea3 1523 V_out = VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1524 pos_plus_end = pos.sen;
Lightvalve 14:8e7590227d22 1525 // CAN_TX_PRES((int16_t) (V_out), (int16_t) (7));
Lightvalve 14:8e7590227d22 1526 } else if(VALVE_FR_timer < (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 18:b8adf1582ea3 1527 V_out = -VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1528 } else if(VALVE_FR_timer == (int) (2.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1529 // CAN_TX_PRES((int16_t) (V_out), (int16_t) (8));
Lightvalve 18:b8adf1582ea3 1530 V_out = -VALVE_VOLTAGE_LIMIT;
Lightvalve 14:8e7590227d22 1531 pos_minus_end = pos.sen;
Lightvalve 13:747daba9cf59 1532 first_check = 1;
Lightvalve 13:747daba9cf59 1533 VALVE_FR_timer = 0;
Lightvalve 14:8e7590227d22 1534 valve_pos.ref = DDV_CENTER;
Lightvalve 13:747daba9cf59 1535 ID_index = 0;
Lightvalve 13:747daba9cf59 1536 max_check = 0;
Lightvalve 13:747daba9cf59 1537 min_check = 0;
Lightvalve 13:747daba9cf59 1538 }
Lightvalve 14:8e7590227d22 1539 } else {
Lightvalve 14:8e7590227d22 1540 if(VALVE_FR_timer < (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1541 V_out = (double) P_GAIN_JOINT_POSITION * 0.01* (0.5 * (double) pos_plus_end + 0.5 * (double) pos_minus_end - (double) pos.sen);
Lightvalve 14:8e7590227d22 1542 } else if(VALVE_FR_timer == (int) (1.0 * (double) TMR_FREQ_5k)) {
Lightvalve 13:747daba9cf59 1543 data_num = 0;
Lightvalve 19:23b7c1ad8683 1544 valve_pos.ref = 10*(ID_index_array[ID_index]) + DDV_CENTER;
Lightvalve 14:8e7590227d22 1545
Lightvalve 14:8e7590227d22 1546 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 14:8e7590227d22 1547 START_POS = pos.sen;
Lightvalve 14:8e7590227d22 1548 } else if(VALVE_FR_timer < (int) (5.0 * (double) TMR_FREQ_5k)) {
Lightvalve 19:23b7c1ad8683 1549 valve_pos.ref = 10*(ID_index_array[ID_index]) + DDV_CENTER;
Lightvalve 14:8e7590227d22 1550 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 13:747daba9cf59 1551 data_num = data_num + 1;
Lightvalve 19:23b7c1ad8683 1552 if(abs(0.5 * (double) pos_plus_end + 0.5 * (double) pos_minus_end - (double) pos.sen) > 20000.0) {
Lightvalve 14:8e7590227d22 1553 FINAL_POS = pos.sen;
Lightvalve 14:8e7590227d22 1554 one_period_end = 1;
Lightvalve 13:747daba9cf59 1555 }
Lightvalve 14:8e7590227d22 1556 } else if(VALVE_FR_timer == (int) (5.0 * (double) TMR_FREQ_5k)) {
Lightvalve 14:8e7590227d22 1557 FINAL_POS = pos.sen;
Lightvalve 13:747daba9cf59 1558 one_period_end = 1;
Lightvalve 13:747daba9cf59 1559 }
Lightvalve 14:8e7590227d22 1560
Lightvalve 14:8e7590227d22 1561 if(one_period_end == 1) {
Lightvalve 14:8e7590227d22 1562 if(valve_pos.ref > VALVE_MAX_POS) {
Lightvalve 13:747daba9cf59 1563 max_check = 1;
Lightvalve 14:8e7590227d22 1564 } else if(valve_pos.ref < VALVE_MIN_POS) {
Lightvalve 13:747daba9cf59 1565 min_check = 1;
Lightvalve 13:747daba9cf59 1566 }
Lightvalve 13:747daba9cf59 1567 JOINT_VEL[ID_index] = (FINAL_POS - START_POS) / data_num * TMR_FREQ_5k; // pulse/sec
Lightvalve 19:23b7c1ad8683 1568
Lightvalve 19:23b7c1ad8683 1569 //ROM_RESET_DATA();
Lightvalve 19:23b7c1ad8683 1570
Lightvalve 16:903b5a4433b4 1571 //spi_eeprom_write(RID_VALVE_POS_VS_FLOWRATE_0 + ID_index, (int16_t) (JOINT_VEL[ID_index] & 0xFFFF));
Lightvalve 16:903b5a4433b4 1572 //spi_eeprom_write(RID_VALVE_POS_VS_FLOWRATE_0_1 + ID_index, (int16_t) ((JOINT_VEL[ID_index] >> 16) & 0xFFFF));
Lightvalve 13:747daba9cf59 1573 VALVE_FR_timer = 0;
Lightvalve 13:747daba9cf59 1574 one_period_end = 0;
Lightvalve 13:747daba9cf59 1575 ID_index= ID_index +1;
Lightvalve 14:8e7590227d22 1576 // CAN_TX_PRES((int16_t) (valve_pos.ref), (int16_t) (ID_index));
Lightvalve 19:23b7c1ad8683 1577 V_out = 0.0;
Lightvalve 13:747daba9cf59 1578 }
Lightvalve 14:8e7590227d22 1579
Lightvalve 14:8e7590227d22 1580 if(max_check == 1 && min_check == 1) {
Lightvalve 19:23b7c1ad8683 1581
Lightvalve 16:903b5a4433b4 1582 //spi_eeprom_write(RID_VALVE_POS_NUM, (int16_t) (ID_index));
Lightvalve 13:747daba9cf59 1583 VALVE_POS_NUM = ID_index;
Lightvalve 19:23b7c1ad8683 1584 ROM_RESET_DATA();
Lightvalve 13:747daba9cf59 1585 ID_index = 0;
Lightvalve 13:747daba9cf59 1586 first_check = 0;
Lightvalve 13:747daba9cf59 1587 VALVE_FR_timer = 0;
Lightvalve 14:8e7590227d22 1588 // CAN_TX_PRES((int16_t) (123), (int16_t) (123));
Lightvalve 13:747daba9cf59 1589 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 13:747daba9cf59 1590 }
Lightvalve 13:747daba9cf59 1591 }
Lightvalve 13:747daba9cf59 1592 break;
Lightvalve 13:747daba9cf59 1593 }
Lightvalve 14:8e7590227d22 1594
Lightvalve 12:6f2531038ea4 1595 default:
Lightvalve 12:6f2531038ea4 1596 break;
Lightvalve 12:6f2531038ea4 1597 }
Lightvalve 14:8e7590227d22 1598
Lightvalve 13:747daba9cf59 1599 if (FLAG_VALVE_OUTPUT_CALIB) {
Lightvalve 13:747daba9cf59 1600 // Valve Dead Zone (Mechanical dead-zone canceling)
Lightvalve 14:8e7590227d22 1601 // if (CONTROL_MODE != MODE_VALVE_NULLING_AND_DEADZONE_SETTING) {
Lightvalve 14:8e7590227d22 1602 // if (V_out > 0.) {
Lightvalve 14:8e7590227d22 1603 // VALVE_PWM_VALVE_DZ = (int) V_out + VALVE_DEADZONE_PLUS;
Lightvalve 14:8e7590227d22 1604 // } else if (V_out < 0.) {
Lightvalve 14:8e7590227d22 1605 // VALVE_PWM_VALVE_DZ = (int) V_out + VALVE_DEADZONE_MINUS;
Lightvalve 14:8e7590227d22 1606 // } else VALVE_PWM_VALVE_DZ = (int) V_out + VALVE_CENTER;
Lightvalve 14:8e7590227d22 1607 // } else VALVE_PWM_VALVE_DZ = (int) V_out;
Lightvalve 14:8e7590227d22 1608
Lightvalve 14:8e7590227d22 1609 if(V_out>0) V_out = V_out + VALVE_DEADZONE_PLUS;
Lightvalve 14:8e7590227d22 1610 else if(V_out<0) V_out = V_out + VALVE_DEADZONE_MINUS;
Lightvalve 14:8e7590227d22 1611
Lightvalve 14:8e7590227d22 1612 VALVE_PWM_VALVE_DZ = V_out + VALVE_CENTER;
Lightvalve 14:8e7590227d22 1613
Lightvalve 13:747daba9cf59 1614 // Output Voltage Linearization and Dead Zone Cancellation (Electrical dead-zone)
Lightvalve 18:b8adf1582ea3 1615 double CUR_PWM_nonlin = VALVE_PWM_VALVE_DZ/5.0*1000.0; // convert PWM duty to mV
Lightvalve 13:747daba9cf59 1616 double CUR_PWM_DZ = PWM_duty_byLT(CUR_PWM_nonlin);
Lightvalve 14:8e7590227d22 1617
Lightvalve 14:8e7590227d22 1618 if (CUR_PWM_DZ > 0) V_out = (int)CUR_PWM_DZ + 143;
Lightvalve 14:8e7590227d22 1619 else if (CUR_PWM_DZ < 0) V_out = (int)CUR_PWM_DZ - 138;
Lightvalve 14:8e7590227d22 1620 else V_out = CUR_PWM_DZ;
Lightvalve 13:747daba9cf59 1621 } else {
Lightvalve 17:1865016ca2e7 1622 V_out = V_out;
Lightvalve 13:747daba9cf59 1623 }
Lightvalve 14:8e7590227d22 1624
jobuuu 7:e9086c72bb22 1625 /*******************************************************
jobuuu 7:e9086c72bb22 1626 *** PWM
jobuuu 7:e9086c72bb22 1627 ********************************************************/
Lightvalve 18:b8adf1582ea3 1628 PWM_out= V_out/SUPPLY_VOLTAGE; // Full duty : 12000.0mV
Lightvalve 13:747daba9cf59 1629
jobuuu 2:a1c0a37df760 1630 // Saturation of output voltage to 5.0V
Lightvalve 17:1865016ca2e7 1631 // if(PWM_out > 0.41667) PWM_out=0.41667; //5.0/12.0 = 0.41667
Lightvalve 17:1865016ca2e7 1632 // else if (PWM_out < -0.41667) PWM_out=-0.41667;
Lightvalve 19:23b7c1ad8683 1633
Lightvalve 19:23b7c1ad8683 1634 // Saturation of output voltage to 12.0V
Lightvalve 17:1865016ca2e7 1635 if(PWM_out > 1.0) PWM_out=1.0;
Lightvalve 17:1865016ca2e7 1636 else if (PWM_out < -1.0) PWM_out=-1.0;
Lightvalve 13:747daba9cf59 1637
jobuuu 2:a1c0a37df760 1638 if (PWM_out>0.0) {
jobuuu 2:a1c0a37df760 1639 dtc_v=0.0;
jobuuu 1:e04e563be5ce 1640 dtc_w=PWM_out;
jobuuu 1:e04e563be5ce 1641 } else {
jobuuu 2:a1c0a37df760 1642 dtc_v=-PWM_out;
jobuuu 2:a1c0a37df760 1643 dtc_w=0.0;
jobuuu 1:e04e563be5ce 1644 }
Lightvalve 13:747daba9cf59 1645
jobuuu 1:e04e563be5ce 1646 //pwm
jobuuu 2:a1c0a37df760 1647 TIM4->CCR2 = (PWM_ARR)*(1.0-dtc_v);
jobuuu 2:a1c0a37df760 1648 TIM4->CCR1 = (PWM_ARR)*(1.0-dtc_w);
Lightvalve 13:747daba9cf59 1649
jobuuu 1:e04e563be5ce 1650 }
Lightvalve 11:82d8768d7351 1651 TIM3->SR = 0x0; // reset the status register
Lightvalve 21:e5f1a43ea6f9 1652
jobuuu 7:e9086c72bb22 1653 }
jobuuu 7:e9086c72bb22 1654
Lightvalve 20:806196fda269 1655
Lightvalve 20:806196fda269 1656
Lightvalve 20:806196fda269 1657 //unsigned long CNT_TMR5 = 0;
Lightvalve 20:806196fda269 1658 //double FREQ_TMR5 = (double)FREQ_500;
Lightvalve 20:806196fda269 1659 //double DT_TMR5 = (double)DT_500;
Lightvalve 23:59218d4a256d 1660 extern "C" void TIM2_IRQHandler(void)
Lightvalve 21:e5f1a43ea6f9 1661 {
Lightvalve 23:59218d4a256d 1662 if (TIM2->SR & TIM_SR_UIF ) {
Lightvalve 21:e5f1a43ea6f9 1663
Lightvalve 20:806196fda269 1664 //CAN ----------------------------------------------------------------------
Lightvalve 20:806196fda269 1665 if (flag_data_request[0] == HIGH) {
Lightvalve 20:806196fda269 1666 //position+velocity
Lightvalve 20:806196fda269 1667 CAN_TX_POSITION((int32_t) pos.sen, (int32_t) vel.sen);
Lightvalve 20:806196fda269 1668 //CAN_TX_POSITION((int32_t) valve_pos.ref, (int32_t) 0);
Lightvalve 20:806196fda269 1669 //CAN_TX_POSITION((int32_t) VALVE_PWM_RAW_FF, (int32_t) VALVE_POS_VS_PWM[10]);
Lightvalve 20:806196fda269 1670 //pc.printf("can good");
Lightvalve 20:806196fda269 1671 // CAN_TX_POSITION((long) CUR_PRES_A_BAR, (long) CUR_PRES_B_BAR);
Lightvalve 20:806196fda269 1672 }
Lightvalve 20:806196fda269 1673
Lightvalve 20:806196fda269 1674 if (flag_data_request[1] == HIGH) {
Lightvalve 20:806196fda269 1675 //torque
Lightvalve 20:806196fda269 1676 //CAN_TX_TORQUE((int16_t) (CUR_TORQUE_NM * 100.));
Lightvalve 20:806196fda269 1677 //CAN_TX_TORQUE((int16_t) (CUR_TORQUE_NM));
Lightvalve 20:806196fda269 1678 CAN_TX_TORQUE((int16_t) (cur.sen));
Lightvalve 20:806196fda269 1679 //CAN_TX_TORQUE((int16_t) (Ref_Valve_Pos_FF_CAN));
Lightvalve 20:806196fda269 1680 // CAN_TX_TORQUE((int16_t) DZ_temp_cnt);
Lightvalve 20:806196fda269 1681 }
Lightvalve 20:806196fda269 1682
Lightvalve 20:806196fda269 1683 if (flag_data_request[2] == HIGH) {
Lightvalve 20:806196fda269 1684 //pressure A and B
Lightvalve 20:806196fda269 1685 //CAN_TX_PRES((int16_t) (pres_A.sen), (int16_t) (PRES_A_VREF)); // CUR_PRES_X : 0(0bar)~4096(210bar)
Lightvalve 20:806196fda269 1686 CAN_TX_PRES((int16_t) (pres_A.sen), (int16_t) (pres_B.sen)); // CUR_PRES_X : 0(0bar)~4096(210bar)
Lightvalve 20:806196fda269 1687 // CAN_TX_PRES((int16_t) (CUR_PRES_A_BAR * 100.), (int16_t) (CUR_PRES_B_BAR * 100.));
Lightvalve 20:806196fda269 1688 // CAN_TX_PRES((int16_t) ((DEADZONE_MINUS + 1.)*1000.), (int16_t) ((DEADZONE_PLUS + 1.))*1000.);
Lightvalve 20:806196fda269 1689 // CAN_TX_PRES((int16_t) DZ_dir, (int16_t) ((VALVE_DEADZONE_PLUS + 1.))*1000.);
Lightvalve 20:806196fda269 1690
Lightvalve 20:806196fda269 1691 }
Lightvalve 20:806196fda269 1692
Lightvalve 20:806196fda269 1693 if (flag_data_request[3] == HIGH) {
Lightvalve 20:806196fda269 1694 //PWM
Lightvalve 20:806196fda269 1695 CAN_TX_PWM((int16_t) CUR_PWM);
Lightvalve 20:806196fda269 1696 //CAN_TX_PWM((int16_t) (Ref_Valve_Pos_FF_CAN));
Lightvalve 20:806196fda269 1697 // CAN_TX_PWM((int16_t) cnt_vel_findhome);
Lightvalve 20:806196fda269 1698 // CAN_TX_PWM((int16_t) (VALVE_VOLTAGE * 1000.));
Lightvalve 20:806196fda269 1699 // CAN_TX_PWM((int16_t) (VALVE_VOLTAGE_VALVE_DZ * 1000.));
Lightvalve 20:806196fda269 1700
Lightvalve 20:806196fda269 1701 }
Lightvalve 20:806196fda269 1702
Lightvalve 20:806196fda269 1703 if (flag_data_request[4] == HIGH) {
Lightvalve 20:806196fda269 1704 //valve position
Lightvalve 20:806196fda269 1705 CAN_TX_VALVE_POSITION((int16_t) (value));
Lightvalve 20:806196fda269 1706 //SPI_ROM_WRITE(RID_VALVE_POS_VS_FLOWRATE_0, (int16_t) (JOINT_VEL[ID_index] & 0xFFFF));
Lightvalve 20:806196fda269 1707 //SPI_ROM_WRITE(RID_VALVE_POS_VS_FLOWRATE_0_1, (int16_t) ((0xFEF1>>16) & 0xFFFF));
Lightvalve 20:806196fda269 1708
Lightvalve 20:806196fda269 1709
Lightvalve 20:806196fda269 1710 //CAN_TX_VALVE_POSITION((int16_t) (VALVE_POS_NUM));
Lightvalve 20:806196fda269 1711 // CAN_TX_VALVE_POSITIOfxN((int16_t) (VALVE_FF_VOLTAGE / SUPPLY_VOLTAGE));
Lightvalve 20:806196fda269 1712 // CAN_TX_VALVE_POSITION((int16_t) P_GAIN_JOINT_POSITION);
Lightvalve 20:806196fda269 1713 // CAN_TX_VALVE_POSITION((int16_t) Ref_Joint_Pos);
Lightvalve 20:806196fda269 1714 // CAN_TX_VALVE_POSITION((int16_t) flag_flowrate);
Lightvalve 20:806196fda269 1715 }
Lightvalve 20:806196fda269 1716
Lightvalve 20:806196fda269 1717 }
Lightvalve 23:59218d4a256d 1718 TIM2->SR = 0x0; // reset the status register
Lightvalve 20:806196fda269 1719 }
Lightvalve 20:806196fda269 1720
Lightvalve 20:806196fda269 1721
Lightvalve 20:806196fda269 1722
Lightvalve 13:747daba9cf59 1723 void CurrentControl()
Lightvalve 13:747daba9cf59 1724 {
jobuuu 7:e9086c72bb22 1725 cur.err = cur.ref - cur.sen;
jobuuu 7:e9086c72bb22 1726 cur.err_int = cur.err_int + cur.err*DT_TMR4;
jobuuu 7:e9086c72bb22 1727 cur.err_diff = (cur.err - cur.err_old)*FREQ_TMR4;
jobuuu 7:e9086c72bb22 1728 cur.err_old = cur.err;
jobuuu 7:e9086c72bb22 1729
jobuuu 7:e9086c72bb22 1730 double R_model = 150.0; // ohm
jobuuu 7:e9086c72bb22 1731 double L_model = 0.3;
jobuuu 7:e9086c72bb22 1732 double w0 = 2.0*3.14*90.0;
jobuuu 7:e9086c72bb22 1733 double KP_I = L_model*w0;
jobuuu 7:e9086c72bb22 1734 double KI_I = R_model*w0;
jobuuu 7:e9086c72bb22 1735 double KD_I = 0.0;
jobuuu 7:e9086c72bb22 1736
jobuuu 7:e9086c72bb22 1737 double FF_gain = 0.0;
jobuuu 7:e9086c72bb22 1738 V_out = (int) (KP_I * cur.err + KI_I * cur.err_int + KD_I * cur.err_diff);
jobuuu 7:e9086c72bb22 1739 // V_out = V_out + FF_gain * (R_model*I_REF); // Unit : mV
jobuuu 7:e9086c72bb22 1740 V_out = V_out + FF_gain * (R_model*cur.ref + L_model*cur.ref_diff); // Unit : mV
Lightvalve 13:747daba9cf59 1741
Lightvalve 13:747daba9cf59 1742 double Ka = 5.0/KP_I;
jobuuu 7:e9086c72bb22 1743 if(V_out > V_MAX) {
jobuuu 7:e9086c72bb22 1744 V_rem = V_out-V_MAX;
jobuuu 7:e9086c72bb22 1745 V_rem = Ka*V_rem;
jobuuu 7:e9086c72bb22 1746 V_out = V_MAX;
jobuuu 7:e9086c72bb22 1747 cur.err_int = cur.err_int - V_rem*DT_5k;
jobuuu 7:e9086c72bb22 1748 } else if(V_out < -V_MAX) {
jobuuu 7:e9086c72bb22 1749 V_rem = V_out-(-V_MAX);
Lightvalve 13:747daba9cf59 1750 V_rem = Ka*V_rem;
jobuuu 7:e9086c72bb22 1751 V_out = -V_MAX;
jobuuu 7:e9086c72bb22 1752 cur.err_int = cur.err_int - V_rem*DT_5k;
Lightvalve 13:747daba9cf59 1753 }
Lightvalve 21:e5f1a43ea6f9 1754 }
Lightvalve 23:59218d4a256d 1755