Sungwoo Kim / Mbed 2 deprecated HydraulicControlBoard_PostLIGHT_210420

LIGHT2

Dependencies:   FastPWM mbed

main.cpp@261:10f0e04fdb0b, 21 months ago (annotated)

Committer:
Lightvalve
Date:
Thu Oct 06 06:55:07 2022 +0000
Revision:
261:10f0e04fdb0b
Parent:
260:bbb74caca589 
Move to Buyoun's Keil Studio

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Lightvalve 224:985dba42f261 1 //Hydraulic Control Board
Lightvalve 224:985dba42f261 2 //distributed by Sungwoo Kim
Lightvalve 224:985dba42f261 3 // 2020/12/28
jobuuu 228:763bbefcb79f 4 //revised by Buyoun Cho
Lightvalve 261:10f0e04fdb0b 5 // 2022/10/06
Lightvalve 224:985dba42f261 6
Lightvalve 224:985dba42f261 7 // 유의사항
Lightvalve 224:985dba42f261 8 // 소수 적을때 뒤에 f 꼭 붙이기
Lightvalve 224:985dba42f261 9 // CAN 선은 ground까지 있는 3상 선으로 써야함.
Lightvalve 224:985dba42f261 10 // 전원은 12~24V 인가.
Lightvalve 224:985dba42f261 11
GiJeongKim 0:51c43836c1d7 12 #include "mbed.h"
GiJeongKim 0:51c43836c1d7 13 #include "FastPWM.h"
GiJeongKim 0:51c43836c1d7 14 #include "INIT_HW.h"
jobuuu 2:a1c0a37df760 15 #include "function_CAN.h"
GiJeongKim 0:51c43836c1d7 16 #include "SPI_EEP_ENC.h"
GiJeongKim 0:51c43836c1d7 17 #include "I2C_AS5510.h"
GiJeongKim 0:51c43836c1d7 18 #include "setting.h"
Lightvalve 11:82d8768d7351 19 #include "function_utilities.h"
Lightvalve 16:903b5a4433b4 20 #include "stm32f4xx_flash.h"
Lightvalve 169:645207e160ca 21 #include "FlashWriter.h"
Lightvalve 170:42c938a40313 22 #include <string>
Lightvalve 170:42c938a40313 23 #include <iostream>
Lightvalve 179:d5377766d7ea 24 #include <cmath>
Lightvalve 61:bc8c8270f0ab 25
Lightvalve 61:bc8c8270f0ab 26 using namespace std;
Lightvalve 61:bc8c8270f0ab 27 Timer t;
GiJeongKim 0:51c43836c1d7 28
jobuuu 7:e9086c72bb22 29 // dac & check ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 30 DigitalOut check(PC_2);
GiJeongKim 0:51c43836c1d7 31 DigitalOut check_2(PC_3);
jobuuu 230:2c3e5ecbe7e1 32 AnalogOut dac_1(PA_4); // 0.0f ~ 1.0f
jobuuu 230:2c3e5ecbe7e1 33 AnalogOut dac_2(PA_5); // 0.0f ~ 1.0f
Lightvalve 14:8e7590227d22 34 AnalogIn adc1(PC_4); //pressure_1
Lightvalve 14:8e7590227d22 35 AnalogIn adc2(PB_0); //pressure_2
Lightvalve 14:8e7590227d22 36 AnalogIn adc3(PC_1); //current
GiJeongKim 0:51c43836c1d7 37
jobuuu 7:e9086c72bb22 38 // PWM ///////////////////////////////////////////
Lightvalve 30:8d561f16383b 39 float dtc_v=0.0f;
Lightvalve 30:8d561f16383b 40 float dtc_w=0.0f;
GiJeongKim 0:51c43836c1d7 41
jobuuu 7:e9086c72bb22 42 // I2C ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 43 I2C i2c(PC_9,PA_8); // SDA, SCL (for K22F)
Lightvalve 224:985dba42f261 44 const int i2c_slave_addr1 = 0x56; // AS5510 address
GiJeongKim 0:51c43836c1d7 45 unsigned int value; // 10bit output of reading sensor AS5510
GiJeongKim 0:51c43836c1d7 46
jobuuu 7:e9086c72bb22 47 // SPI ///////////////////////////////////////////
Lightvalve 170:42c938a40313 48 SPI eeprom(PB_15, PB_14, PB_13); // EEPROM //(SPI_MOSI, SPI_MISO, SPI_SCK);
Lightvalve 170:42c938a40313 49 DigitalOut eeprom_cs(PB_12);
GiJeongKim 0:51c43836c1d7 50 SPI enc(PC_12,PC_11,PC_10);
GiJeongKim 0:51c43836c1d7 51 DigitalOut enc_cs(PD_2);
Lightvalve 11:82d8768d7351 52 DigitalOut LED(PA_15);
GiJeongKim 0:51c43836c1d7 53
jobuuu 7:e9086c72bb22 54 // UART ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 55 Serial pc(PA_9,PA_10); // _ UART
GiJeongKim 0:51c43836c1d7 56
jobuuu 7:e9086c72bb22 57 // CAN ///////////////////////////////////////////
GiJeongKim 0:51c43836c1d7 58 CAN can(PB_8, PB_9, 1000000);
GiJeongKim 0:51c43836c1d7 59 CANMessage msg;
Lightvalve 11:82d8768d7351 60 void onMsgReceived()
Lightvalve 11:82d8768d7351 61 {
Lightvalve 11:82d8768d7351 62 CAN_RX_HANDLER();
Lightvalve 11:82d8768d7351 63 }
jobuuu 2:a1c0a37df760 64
jobuuu 7:e9086c72bb22 65 // Variables ///////////////////////////////////////////
jobuuu 7:e9086c72bb22 66 State pos;
jobuuu 7:e9086c72bb22 67 State vel;
jobuuu 7:e9086c72bb22 68 State Vout;
jobuuu 230:2c3e5ecbe7e1 69 State force;
jobuuu 230:2c3e5ecbe7e1 70 State torq; // unit : N
Lightvalve 207:c70c5a9f17dd 71 State torq_dot;
jobuuu 230:2c3e5ecbe7e1 72 State pres_A; // unit : bar
jobuuu 7:e9086c72bb22 73 State pres_B;
jobuuu 230:2c3e5ecbe7e1 74 State cur; // unit : mA
Lightvalve 14:8e7590227d22 75 State valve_pos;
Lightvalve 14:8e7590227d22 76
Lightvalve 14:8e7590227d22 77 State INIT_Vout;
Lightvalve 14:8e7590227d22 78 State INIT_Valve_Pos;
Lightvalve 14:8e7590227d22 79 State INIT_Pos;
Lightvalve 14:8e7590227d22 80 State INIT_torq;
jobuuu 5:a4319f79457b 81
Lightvalve 19:23b7c1ad8683 82 extern int CID_RX_CMD;
Lightvalve 19:23b7c1ad8683 83 extern int CID_RX_REF_POSITION;
hyhoon 227:699c3e572283 84 extern int CID_RX_REF_OPENLOOP;
Lightvalve 45:35fa6884d0c6 85 extern int CID_RX_REF_PWM;
Lightvalve 19:23b7c1ad8683 86
Lightvalve 19:23b7c1ad8683 87 extern int CID_TX_INFO;
hyhoon 227:699c3e572283 88 extern int CID_TX_POS_VEL_TORQ;
hyhoon 227:699c3e572283 89 extern int CID_TX_PWM;
hyhoon 227:699c3e572283 90 extern int CID_TX_CURRENT;
Lightvalve 19:23b7c1ad8683 91 extern int CID_TX_VOUT;
Lightvalve 19:23b7c1ad8683 92 extern int CID_TX_VALVE_POSITION;
jeongyeseong 225:9c0becc196ba 93 extern int CID_TX_SOMETHING;
Lightvalve 19:23b7c1ad8683 94
hyhoon 227:699c3e572283 95 float temp_P_GAIN = 0.0f;
hyhoon 227:699c3e572283 96 float temp_I_GAIN = 0.0f;
Lightvalve 261:10f0e04fdb0b 97 float temp_LOG[4] = {0.0f,};
hyhoon 227:699c3e572283 98 int temp_VELOCITY_COMP_GAIN = 0;
Lightvalve 235:c831718303c9 99 int logging = 0;
hyhoon 227:699c3e572283 100
Lightvalve 235:c831718303c9 101 inline float tanh_inv(float y)
Lightvalve 235:c831718303c9 102 {
Lightvalve 235:c831718303c9 103 if(y >= 1.0f - 0.000001f) y = 1.0f - 0.000001f;
Lightvalve 235:c831718303c9 104 if(y <= -1.0f + 0.000001f) y = -1.0f + 0.000001f;
jobuuu 230:2c3e5ecbe7e1 105 return log(sqrt((1.0f+y)/(1.0f-y)));
jobuuu 230:2c3e5ecbe7e1 106 }
jobuuu 230:2c3e5ecbe7e1 107
hyhoon 227:699c3e572283 108
Lightvalve 12:6f2531038ea4 109 /*******************************************************************************
Lightvalve 12:6f2531038ea4 110 * REFERENCE MODE
Lightvalve 12:6f2531038ea4 111 ******************************************************************************/
Lightvalve 13:747daba9cf59 112 enum _REFERENCE_MODE {
Lightvalve 235:c831718303c9 113 MODE_REF_NO_ACT = 0,
Lightvalve 235:c831718303c9 114 MODE_REF_DIRECT,
Lightvalve 235:c831718303c9 115 MODE_REF_FINDHOME
Lightvalve 12:6f2531038ea4 116 };
Lightvalve 12:6f2531038ea4 117
Lightvalve 12:6f2531038ea4 118 /*******************************************************************************
Lightvalve 12:6f2531038ea4 119 * CONTROL MODE
Lightvalve 12:6f2531038ea4 120 ******************************************************************************/
Lightvalve 13:747daba9cf59 121 enum _CONTROL_MODE {
Lightvalve 12:6f2531038ea4 122 //control mode
Lightvalve 12:6f2531038ea4 123 MODE_NO_ACT = 0, //0
Lightvalve 47:fdcb8bd86fd6 124 MODE_VALVE_POSITION_CONTROL, //1
Lightvalve 47:fdcb8bd86fd6 125 MODE_JOINT_CONTROL, //2
Lightvalve 50:3c630b5eba9f 126
Lightvalve 47:fdcb8bd86fd6 127 MODE_VALVE_OPEN_LOOP, //3
Lightvalve 138:a843f32ced33 128 MODE_JOINT_ADAPTIVE_BACKSTEPPING, //4
Lightvalve 171:bfc1fd2629d8 129 MODE_RL, //5
Lightvalve 13:747daba9cf59 130
Lightvalve 12:6f2531038ea4 131 MODE_JOINT_POSITION_PRES_CONTROL_PWM, //6
Lightvalve 12:6f2531038ea4 132 MODE_JOINT_POSITION_PRES_CONTROL_VALVE_POSITION, //7
Lightvalve 12:6f2531038ea4 133 MODE_VALVE_POSITION_PRES_CONTROL_LEARNING, //8
Lightvalve 13:747daba9cf59 134
Lightvalve 12:6f2531038ea4 135 MODE_TEST_CURRENT_CONTROL, //9
Lightvalve 12:6f2531038ea4 136 MODE_TEST_PWM_CONTROL, //10
Lightvalve 21:e5f1a43ea6f9 137
Lightvalve 14:8e7590227d22 138 MODE_CURRENT_CONTROL, //11
Lightvalve 14:8e7590227d22 139 MODE_JOINT_POSITION_TORQUE_CONTROL_CURRENT, //12
Lightvalve 14:8e7590227d22 140 MODE_JOINT_POSITION_PRES_CONTROL_CURRENT, //13
Lightvalve 224:985dba42f261 141 MODE_VALVE_POSITION_TORQUE_CONTROL_LEARNING, //14
Lightvalve 13:747daba9cf59 142
Lightvalve 12:6f2531038ea4 143 //utility
Lightvalve 12:6f2531038ea4 144 MODE_TORQUE_SENSOR_NULLING = 20, //20
Lightvalve 12:6f2531038ea4 145 MODE_VALVE_NULLING_AND_DEADZONE_SETTING, //21
Lightvalve 12:6f2531038ea4 146 MODE_FIND_HOME, //22
Lightvalve 57:f4819de54e7a 147 MODE_VALVE_GAIN_SETTING, //23
Lightvalve 12:6f2531038ea4 148 MODE_PRESSURE_SENSOR_NULLING, //24
Lightvalve 12:6f2531038ea4 149 MODE_PRESSURE_SENSOR_CALIB, //25
Lightvalve 12:6f2531038ea4 150 MODE_ROTARY_FRICTION_TUNING, //26
Lightvalve 13:747daba9cf59 151
Lightvalve 224:985dba42f261 152 MODE_DDV_POS_VS_PWM_ID = 30, //30
Lightvalve 12:6f2531038ea4 153 MODE_DDV_DEADZONE_AND_CENTER, //31
Lightvalve 12:6f2531038ea4 154 MODE_DDV_POS_VS_FLOWRATE, //32
Lightvalve 57:f4819de54e7a 155 MODE_SYSTEM_ID, //33
Lightvalve 169:645207e160ca 156 MODE_FREQ_TEST, //34
Lightvalve 169:645207e160ca 157 MODE_SEND_BUFFER, //35
Lightvalve 169:645207e160ca 158 MODE_SEND_OVER, //36
Lightvalve 169:645207e160ca 159 MODE_STEP_TEST, //37
Lightvalve 12:6f2531038ea4 160 };
Lightvalve 12:6f2531038ea4 161
Lightvalve 65:a2d7c63419c2 162 void SystemClock_Config(void)
Lightvalve 65:a2d7c63419c2 163 {
Lightvalve 169:645207e160ca 164 RCC_OscInitTypeDef RCC_OscInitStruct = {0};
Lightvalve 169:645207e160ca 165 RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
Lightvalve 65:a2d7c63419c2 166
Lightvalve 224:985dba42f261 167 /* Configure the main internal regulator output voltage
Lightvalve 169:645207e160ca 168 */
Lightvalve 169:645207e160ca 169 __HAL_RCC_PWR_CLK_ENABLE();
Lightvalve 169:645207e160ca 170 __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
Lightvalve 224:985dba42f261 171 /* Initializes the CPU, AHB and APB busses clocks
Lightvalve 169:645207e160ca 172 */
Lightvalve 169:645207e160ca 173 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
Lightvalve 169:645207e160ca 174 RCC_OscInitStruct.HSIState = RCC_HSI_ON;
Lightvalve 169:645207e160ca 175 RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
Lightvalve 169:645207e160ca 176 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
Lightvalve 169:645207e160ca 177 RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
Lightvalve 169:645207e160ca 178 RCC_OscInitStruct.PLL.PLLM = 8;//8
Lightvalve 169:645207e160ca 179 RCC_OscInitStruct.PLL.PLLN = 180; //180
Lightvalve 169:645207e160ca 180 RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
Lightvalve 169:645207e160ca 181 RCC_OscInitStruct.PLL.PLLQ = 2;
Lightvalve 169:645207e160ca 182 RCC_OscInitStruct.PLL.PLLR = 2;
Lightvalve 169:645207e160ca 183 if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) {
Lightvalve 169:645207e160ca 184 //Error_Handler();
Lightvalve 169:645207e160ca 185 }
Lightvalve 169:645207e160ca 186 /** Activate the Over-Drive mode
Lightvalve 169:645207e160ca 187 */
Lightvalve 169:645207e160ca 188 if (HAL_PWREx_EnableOverDrive() != HAL_OK) {
Lightvalve 169:645207e160ca 189 //Error_Handler();
Lightvalve 169:645207e160ca 190 }
Lightvalve 169:645207e160ca 191 /** Initializes the CPU, AHB and APB busses clocks
Lightvalve 169:645207e160ca 192 */
Lightvalve 169:645207e160ca 193 RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
Lightvalve 169:645207e160ca 194 |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
Lightvalve 169:645207e160ca 195 RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
Lightvalve 169:645207e160ca 196 RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
Lightvalve 169:645207e160ca 197 RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
Lightvalve 169:645207e160ca 198 RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
Lightvalve 65:a2d7c63419c2 199
Lightvalve 169:645207e160ca 200 if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) {
Lightvalve 169:645207e160ca 201 //Error_Handler();
Lightvalve 169:645207e160ca 202 }
Lightvalve 65:a2d7c63419c2 203 }
Lightvalve 65:a2d7c63419c2 204
Lightvalve 170:42c938a40313 205
GiJeongKim 0:51c43836c1d7 206 int main()
GiJeongKim 0:51c43836c1d7 207 {
jobuuu 6:df07d3491e3a 208 /*********************************
jobuuu 1:e04e563be5ce 209 *** Initialization
jobuuu 6:df07d3491e3a 210 *********************************/
hyhoon 226:82a3ca333004 211
Lightvalve 224:985dba42f261 212 HAL_Init();
Lightvalve 224:985dba42f261 213 SystemClock_Config();
hyhoon 226:82a3ca333004 214
Lightvalve 69:3995ffeaa786 215 LED = 0;
Lightvalve 61:bc8c8270f0ab 216 pc.baud(9600);
Lightvalve 21:e5f1a43ea6f9 217
GiJeongKim 0:51c43836c1d7 218 // i2c init
hyhoon 226:82a3ca333004 219 // i2c.frequency(400 * 1000); // 0.4 mHz
hyhoon 226:82a3ca333004 220 // wait_ms(2); // Power Up wait
hyhoon 226:82a3ca333004 221 // look_for_hardware_i2c(); // Hardware present
hyhoon 226:82a3ca333004 222 // init_as5510(i2c_slave_addr1);
hyhoon 226:82a3ca333004 223 // make_delay();
jobuuu 2:a1c0a37df760 224
Lightvalve 224:985dba42f261 225 // spi init
hyhoon 227:699c3e572283 226 eeprom_cs = 1;
Lightvalve 170:42c938a40313 227 eeprom.format(8,3);
Lightvalve 170:42c938a40313 228 eeprom.frequency(5000000); //5M
hyhoon 227:699c3e572283 229 eeprom_cs = 0;
hyhoon 227:699c3e572283 230 make_delay();
hyhoon 227:699c3e572283 231
hyhoon 227:699c3e572283 232 enc_cs = 1; //sw add
GiJeongKim 0:51c43836c1d7 233 enc.format(8,0);
hyhoon 227:699c3e572283 234 enc.frequency(5000000); //10M
hyhoon 227:699c3e572283 235 enc_cs = 0; //sw add
hyhoon 227:699c3e572283 236
Lightvalve 11:82d8768d7351 237 make_delay();
Lightvalve 21:e5f1a43ea6f9 238
hyhoon 226:82a3ca333004 239 // spi _ enc
hyhoon 226:82a3ca333004 240 spi_enc_set_init();
hyhoon 226:82a3ca333004 241 make_delay();
hyhoon 226:82a3ca333004 242
hyhoon 226:82a3ca333004 243 ////// bno rom
Lightvalve 261:10f0e04fdb0b 244 spi_eeprom_write(RID_BNO, (int16_t) 3);
Lightvalve 261:10f0e04fdb0b 245 make_delay();
hyhoon 226:82a3ca333004 246 ////////
hyhoon 226:82a3ca333004 247
Lightvalve 224:985dba42f261 248 // rom
Lightvalve 19:23b7c1ad8683 249 ROM_CALL_DATA();
Lightvalve 16:903b5a4433b4 250 make_delay();
Lightvalve 13:747daba9cf59 251
GiJeongKim 0:51c43836c1d7 252 // ADC init
jobuuu 5:a4319f79457b 253 Init_ADC();
Lightvalve 11:82d8768d7351 254 make_delay();
jobuuu 2:a1c0a37df760 255
GiJeongKim 0:51c43836c1d7 256 // Pwm init
GiJeongKim 0:51c43836c1d7 257 Init_PWM();
GiJeongKim 0:51c43836c1d7 258 TIM4->CR1 ^= TIM_CR1_UDIS;
Lightvalve 11:82d8768d7351 259 make_delay();
Lightvalve 13:747daba9cf59 260
GiJeongKim 0:51c43836c1d7 261 // CAN
jobuuu 2:a1c0a37df760 262 can.attach(&CAN_RX_HANDLER);
Lightvalve 11:82d8768d7351 263 CAN_ID_INIT();
Lightvalve 11:82d8768d7351 264 make_delay();
Lightvalve 34:bb2ca2fc2a8e 265
hyhoon 226:82a3ca333004 266 //can.reset();
hyhoon 226:82a3ca333004 267 can.filter(msg.id, 0xFFFFF000, CANStandard);
hyhoon 226:82a3ca333004 268
hyhoon 226:82a3ca333004 269 // TMR3 init
hyhoon 226:82a3ca333004 270 Init_TMR3();
hyhoon 226:82a3ca333004 271 TIM3->CR1 ^= TIM_CR1_UDIS;
hyhoon 226:82a3ca333004 272 make_delay();
hyhoon 226:82a3ca333004 273
Lightvalve 23:59218d4a256d 274 //Timer priority
Lightvalve 23:59218d4a256d 275 NVIC_SetPriority(TIM3_IRQn, 2);
Lightvalve 54:647072f5307a 276 NVIC_SetPriority(TIM4_IRQn, 3);
Lightvalve 34:bb2ca2fc2a8e 277
hyhoon 226:82a3ca333004 278
Lightvalve 11:82d8768d7351 279 //DAC init
Lightvalve 58:2eade98630e2 280 if (SENSING_MODE == 0) {
jobuuu 230:2c3e5ecbe7e1 281 dac_1 = FORCE_VREF / 3.3f;
Lightvalve 58:2eade98630e2 282 dac_2 = 0.0f;
Lightvalve 58:2eade98630e2 283 } else if (SENSING_MODE == 1) {
hyhoon 226:82a3ca333004 284 if (DIR_VALVE_ENC > 0) {
hyhoon 226:82a3ca333004 285 dac_1 = PRES_A_VREF / 3.3f;
hyhoon 226:82a3ca333004 286 dac_2 = PRES_B_VREF / 3.3f;
hyhoon 226:82a3ca333004 287 } else {
hyhoon 226:82a3ca333004 288 dac_1 = PRES_B_VREF / 3.3f;
hyhoon 226:82a3ca333004 289 dac_2 = PRES_A_VREF / 3.3f;
hyhoon 226:82a3ca333004 290 }
Lightvalve 58:2eade98630e2 291 }
Lightvalve 11:82d8768d7351 292 make_delay();
Lightvalve 13:747daba9cf59 293
Lightvalve 19:23b7c1ad8683 294 for (int i=0; i<50; i++) {
Lightvalve 11:82d8768d7351 295 if(i%2==0)
Lightvalve 38:118df027d851 296 ID_index_array[i] = - i * 0.5f;
Lightvalve 11:82d8768d7351 297 else
Lightvalve 38:118df027d851 298 ID_index_array[i] = (i+1) * 0.5f;
Lightvalve 11:82d8768d7351 299 }
Lightvalve 169:645207e160ca 300
jobuuu 6:df07d3491e3a 301 /************************************
jobuuu 1:e04e563be5ce 302 *** Program is operating!
jobuuu 6:df07d3491e3a 303 *************************************/
GiJeongKim 0:51c43836c1d7 304 while(1) {
Lightvalve 169:645207e160ca 305
Lightvalve 224:985dba42f261 306 // UART example
Lightvalve 224:985dba42f261 307 // if(timer_while==100000) {
Lightvalve 171:bfc1fd2629d8 308 // timer_while = 0;
Lightvalve 224:985dba42f261 309 // pc.printf("%f\n", value);
Lightvalve 171:bfc1fd2629d8 310 // }
Lightvalve 224:985dba42f261 311 // timer_while ++;
Lightvalve 169:645207e160ca 312
Lightvalve 224:985dba42f261 313 //i2c for SW valve
hyhoon 227:699c3e572283 314 //if(OPERATING_MODE == 5) {
hyhoon 227:699c3e572283 315 // read_field(i2c_slave_addr1);
hyhoon 227:699c3e572283 316 // if(DIR_VALVE_ENC < 0) value = 1023 - value;
hyhoon 227:699c3e572283 317 // }
GiJeongKim 0:51c43836c1d7 318 }
jobuuu 1:e04e563be5ce 319 }
jobuuu 1:e04e563be5ce 320
Lightvalve 224:985dba42f261 321
Lightvalve 224:985dba42f261 322 // Velocity feedforward for SW valve
Lightvalve 33:91b17819ec30 323 float DDV_JOINT_POS_FF(float REF_JOINT_VEL)
Lightvalve 14:8e7590227d22 324 {
Lightvalve 13:747daba9cf59 325 int i = 0;
Lightvalve 48:889798ff9329 326 float Ref_Valve_Pos_FF = 0.0f;
Lightvalve 14:8e7590227d22 327 for(i=0; i<VALVE_POS_NUM; i++) {
Lightvalve 14:8e7590227d22 328 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 329 if(i==0) {
Lightvalve 50:3c630b5eba9f 330 if(JOINT_VEL[i+1] == JOINT_VEL[i]) {
Lightvalve 57:f4819de54e7a 331 Ref_Valve_Pos_FF = (float) VALVE_CENTER;
Lightvalve 50:3c630b5eba9f 332 } else {
Lightvalve 57:f4819de54e7a 333 Ref_Valve_Pos_FF = ((float) 10/(JOINT_VEL[i+1] - JOINT_VEL[i]) * (REF_JOINT_VEL - JOINT_VEL[i])) + (float) VALVE_CENTER;
Lightvalve 38:118df027d851 334 }
Lightvalve 14:8e7590227d22 335 } else {
Lightvalve 50:3c630b5eba9f 336 if(JOINT_VEL[i+1] == JOINT_VEL[i-1]) {
Lightvalve 57:f4819de54e7a 337 Ref_Valve_Pos_FF = (float) VALVE_CENTER;
Lightvalve 50:3c630b5eba9f 338 } else {
Lightvalve 57:f4819de54e7a 339 Ref_Valve_Pos_FF = ((float) 10*(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])) + (float) VALVE_CENTER + (float) (10*ID_index_array[i-1]);
Lightvalve 38:118df027d851 340 }
Lightvalve 13:747daba9cf59 341 }
Lightvalve 13:747daba9cf59 342 break;
Lightvalve 13:747daba9cf59 343 }
Lightvalve 13:747daba9cf59 344 }
Lightvalve 14:8e7590227d22 345 if(REF_JOINT_VEL > max(JOINT_VEL[VALVE_POS_NUM-1], JOINT_VEL[VALVE_POS_NUM-2])) {
Lightvalve 33:91b17819ec30 346 Ref_Valve_Pos_FF = (float) VALVE_MAX_POS;
Lightvalve 14:8e7590227d22 347 } else if(REF_JOINT_VEL < min(JOINT_VEL[VALVE_POS_NUM-1], JOINT_VEL[VALVE_POS_NUM-2])) {
Lightvalve 33:91b17819ec30 348 Ref_Valve_Pos_FF = (float) VALVE_MIN_POS;
Lightvalve 13:747daba9cf59 349 }
Lightvalve 36:a46e63505ed8 350
Lightvalve 224:985dba42f261 351 Ref_Valve_Pos_FF = (float) VELOCITY_COMP_GAIN * 0.01f * (float) (Ref_Valve_Pos_FF - (float) VALVE_CENTER); //VELOCITY_COMP_GAIN : 0~100
Lightvalve 13:747daba9cf59 352 return Ref_Valve_Pos_FF;
Lightvalve 13:747daba9cf59 353 }
jobuuu 6:df07d3491e3a 354
Lightvalve 224:985dba42f261 355 // Valve feedforward for SW valve
Lightvalve 30:8d561f16383b 356 void VALVE_POS_CONTROL(float REF_VALVE_POS)
Lightvalve 14:8e7590227d22 357 {
Lightvalve 13:747daba9cf59 358 int i = 0;
Lightvalve 13:747daba9cf59 359
Lightvalve 38:118df027d851 360 if(REF_VALVE_POS > VALVE_MAX_POS) {
Lightvalve 38:118df027d851 361 REF_VALVE_POS = VALVE_MAX_POS;
Lightvalve 38:118df027d851 362 } else if(REF_VALVE_POS < VALVE_MIN_POS) {
Lightvalve 38:118df027d851 363 REF_VALVE_POS = VALVE_MIN_POS;
Lightvalve 38:118df027d851 364 }
Lightvalve 89:a7b45368ea0f 365 valve_pos_err = (float) (REF_VALVE_POS - value);
Lightvalve 13:747daba9cf59 366 valve_pos_err_diff = valve_pos_err - valve_pos_err_old;
Lightvalve 13:747daba9cf59 367 valve_pos_err_old = valve_pos_err;
Lightvalve 13:747daba9cf59 368 valve_pos_err_sum += valve_pos_err;
Lightvalve 89:a7b45368ea0f 369 if (valve_pos_err_sum > 1000.0f) valve_pos_err_sum = 1000.0f;
Lightvalve 89:a7b45368ea0f 370 if (valve_pos_err_sum<-1000.0f) valve_pos_err_sum = -1000.0f;
Lightvalve 13:747daba9cf59 371
Lightvalve 13:747daba9cf59 372 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 373
Lightvalve 18:b8adf1582ea3 374 for(i=0; i<24; i++) {
Lightvalve 89:a7b45368ea0f 375 if(REF_VALVE_POS >= min(VALVE_POS_VS_PWM[i],VALVE_POS_VS_PWM[i+1]) && (float) REF_VALVE_POS <= max(VALVE_POS_VS_PWM[i],VALVE_POS_VS_PWM[i+1])) {
Lightvalve 14:8e7590227d22 376 if(i==0) {
Lightvalve 48:889798ff9329 377 VALVE_PWM_RAW_FF = (float) 1000.0f / (float) (VALVE_POS_VS_PWM[i+1] - VALVE_POS_VS_PWM[i]) * ((float) REF_VALVE_POS - VALVE_POS_VS_PWM[i]);
Lightvalve 14:8e7590227d22 378 } else {
Lightvalve 48:889798ff9329 379 VALVE_PWM_RAW_FF = (float) 1000.0f* (float) (ID_index_array[i+1] - ID_index_array[i-1])/(VALVE_POS_VS_PWM[i+1] - VALVE_POS_VS_PWM[i-1]) * ((float) REF_VALVE_POS - VALVE_POS_VS_PWM[i-1]) + 1000.0f * (float) ID_index_array[i-1];
Lightvalve 13:747daba9cf59 380 }
Lightvalve 13:747daba9cf59 381 break;
Lightvalve 13:747daba9cf59 382 }
Lightvalve 13:747daba9cf59 383 }
Lightvalve 59:f308b1656d9c 384 Vout.ref = VALVE_PWM_RAW_FF + VALVE_PWM_RAW_FB;
Lightvalve 13:747daba9cf59 385 }
Lightvalve 13:747daba9cf59 386
Lightvalve 224:985dba42f261 387 // PWM duty vs. voltage output of L6205 in STM board
Lightvalve 14:8e7590227d22 388 #define LT_MAX_IDX 57
Lightvalve 30:8d561f16383b 389 float LT_PWM_duty[LT_MAX_IDX] = {-100.0f, -80.0f, -60.0f, -50.0f, -40.0f, -35.0f, -30.0f, -25.0f, -20.0f,
Lightvalve 34:bb2ca2fc2a8e 390 -19.0f, -18.0f, -17.0f, -16.0f, -15.0f, -14.0f, -13.0f, -12.0f, -11.0f, -10.0f,
Lightvalve 34:bb2ca2fc2a8e 391 -9.0f, -8.0f, -7.0f, -6.0f, -5.0f, -4.0f, -3.0f, -2.0f, -1.0f, 0.0f,
Lightvalve 34:bb2ca2fc2a8e 392 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f,
Lightvalve 34:bb2ca2fc2a8e 393 11.0f, 12.0f, 13.0f, 14.0f, 15.0f, 16.0f, 17.0f, 18.0f, 19.0f, 20.0f,
Lightvalve 34:bb2ca2fc2a8e 394 25.0f, 30.0f, 35.0f, 40.0f, 50.0f, 60.0f, 80.0f, 100.0f
Lightvalve 34:bb2ca2fc2a8e 395 }; // duty
Lightvalve 67:c2812cf26c38 396 float LT_Voltage_Output[LT_MAX_IDX] = {-230.0f, -215.0f, -192.5f, -185.0f, -177.5f, -170.0f, -164.0f, -160.0f, -150.0f,
Lightvalve 67:c2812cf26c38 397 -150.0f, -145.0f, -145.0f, -145.0f, -135.0f, -135.0f, -135.0f, -127.5f, -127.5f, -115.0f,
Lightvalve 67:c2812cf26c38 398 -115.0f, -115.0F, -100.0f, -100.0f, -100.0f, -60.0f, -60.0f, -10.0f, -5.0f, 0.0f,
Lightvalve 67:c2812cf26c38 399 7.5f, 14.0f, 14.0f, 14.0f, 42.5f, 42.5f, 42.5f, 80.0f, 80.0f, 105.0f,
Lightvalve 67:c2812cf26c38 400 105.0f, 105.0f, 120.0f, 120.0f, 120.0f, 131.0f, 131.0f, 140.0f, 140.0f, 140.0f,
Lightvalve 67:c2812cf26c38 401 155.0f, 160.0f, 170.0f, 174.0f, 182.0f, 191.0f, 212.0f, 230.0f
Lightvalve 34:bb2ca2fc2a8e 402 }; // mV
Lightvalve 13:747daba9cf59 403
Lightvalve 30:8d561f16383b 404 float PWM_duty_byLT(float Ref_V)
Lightvalve 14:8e7590227d22 405 {
Lightvalve 30:8d561f16383b 406 float PWM_duty = 0.0f;
Lightvalve 13:747daba9cf59 407 if(Ref_V<LT_Voltage_Output[0]) {
Lightvalve 30:8d561f16383b 408 PWM_duty = (Ref_V-LT_Voltage_Output[0])/1.5f+LT_PWM_duty[0];
Lightvalve 13:747daba9cf59 409 } else if (Ref_V>=LT_Voltage_Output[LT_MAX_IDX-1]) {
Lightvalve 30:8d561f16383b 410 PWM_duty = (Ref_V-LT_Voltage_Output[LT_MAX_IDX-1])/1.5f+LT_PWM_duty[LT_MAX_IDX-1];
Lightvalve 13:747daba9cf59 411 } else {
Lightvalve 13:747daba9cf59 412 int idx = 0;
Lightvalve 13:747daba9cf59 413 for(idx=0; idx<LT_MAX_IDX-1; idx++) {
Lightvalve 30:8d561f16383b 414 float ini_x = LT_Voltage_Output[idx];
Lightvalve 30:8d561f16383b 415 float fin_x = LT_Voltage_Output[idx+1];
Lightvalve 30:8d561f16383b 416 float ini_y = LT_PWM_duty[idx];
Lightvalve 30:8d561f16383b 417 float fin_y = LT_PWM_duty[idx+1];
Lightvalve 13:747daba9cf59 418 if(Ref_V>=ini_x && Ref_V<fin_x) {
Lightvalve 13:747daba9cf59 419 PWM_duty = (fin_y-ini_y)/(fin_x-ini_x)*(Ref_V-ini_x) + ini_y;
Lightvalve 13:747daba9cf59 420 break;
Lightvalve 13:747daba9cf59 421 }
Lightvalve 13:747daba9cf59 422 }
Lightvalve 13:747daba9cf59 423 }
Lightvalve 14:8e7590227d22 424
Lightvalve 13:747daba9cf59 425 return PWM_duty;
Lightvalve 13:747daba9cf59 426 }
jobuuu 6:df07d3491e3a 427
Lightvalve 57:f4819de54e7a 428
Lightvalve 57:f4819de54e7a 429
jobuuu 2:a1c0a37df760 430 /*******************************************************************************
jobuuu 2:a1c0a37df760 431 TIMER INTERRUPT
jobuuu 2:a1c0a37df760 432 *******************************************************************************/
jobuuu 2:a1c0a37df760 433
jobuuu 230:2c3e5ecbe7e1 434 //------------------------------------------------
jobuuu 230:2c3e5ecbe7e1 435 // TMR4 : Sensor Read & Data Handling
jobuuu 230:2c3e5ecbe7e1 436 //-----------------------------------------------
Lightvalve 51:b46bed7fec80 437 float FREQ_TMR4 = (float)FREQ_20k;
Lightvalve 51:b46bed7fec80 438 float DT_TMR4 = (float)DT_20k;
Lightvalve 57:f4819de54e7a 439 long CNT_TMR4 = 0;
Lightvalve 57:f4819de54e7a 440 int TMR4_FREQ_10k = (int)FREQ_10k;
jobuuu 1:e04e563be5ce 441 extern "C" void TIM4_IRQHandler(void)
jobuuu 1:e04e563be5ce 442 {
Lightvalve 19:23b7c1ad8683 443 if (TIM4->SR & TIM_SR_UIF ) {
Lightvalve 13:747daba9cf59 444
jobuuu 230:2c3e5ecbe7e1 445 // Current ===================================================
jobuuu 230:2c3e5ecbe7e1 446 //ADC3->CR2 |= 0x40000000; // adc _ 12bit
Lightvalve 235:c831718303c9 447
jobuuu 230:2c3e5ecbe7e1 448 cur.UpdateSen(((float)ADC3->DR-2047.5f)/2047.5f*10.0f, FREQ_TMR4, 500.0f); // unit : mA
jobuuu 230:2c3e5ecbe7e1 449
jobuuu 230:2c3e5ecbe7e1 450 // Encoder ===================================================
Lightvalve 57:f4819de54e7a 451 if (CNT_TMR4 % (int) ((int) FREQ_TMR4/TMR4_FREQ_10k) == 0) {
Lightvalve 57:f4819de54e7a 452 ENC_UPDATE();
Lightvalve 57:f4819de54e7a 453 }
Lightvalve 61:bc8c8270f0ab 454
jobuuu 230:2c3e5ecbe7e1 455 // Force or Pressure Transducer =============================================
Lightvalve 61:bc8c8270f0ab 456 ADC1->CR2 |= 0x40000000;
jobuuu 230:2c3e5ecbe7e1 457 if (SENSING_MODE == 0) { // Force sensing
jobuuu 230:2c3e5ecbe7e1 458 force.UpdateSen((((float)ADC1->DR) - 2047.5f)/TORQUE_SENSOR_PULSE_PER_TORQUE, FREQ_TMR4, 100.0f); // unit : N
jobuuu 230:2c3e5ecbe7e1 459 } else if (SENSING_MODE == 1) { // Pressure sensing
jobuuu 230:2c3e5ecbe7e1 460 float pres_A_new, pres_B_new;
hyhoon 226:82a3ca333004 461 if (DIR_VALVE_ENC > 0) {
jobuuu 230:2c3e5ecbe7e1 462 pres_A_new = (((float)ADC1->DR) - PRES_A_NULL_pulse)/ PRES_SENSOR_A_PULSE_PER_BAR; // unit : bar
Lightvalve 232:2976cf1b4252 463 pres_B_new = (((float)ADC2->DR) - PRES_B_NULL_pulse)/ PRES_SENSOR_B_PULSE_PER_BAR;
hyhoon 226:82a3ca333004 464 } else {
jobuuu 230:2c3e5ecbe7e1 465 pres_A_new = (((float)ADC2->DR) - PRES_A_NULL_pulse)/ PRES_SENSOR_A_PULSE_PER_BAR; // unit : bar
Lightvalve 232:2976cf1b4252 466 pres_B_new = (((float)ADC1->DR) - PRES_B_NULL_pulse)/ PRES_SENSOR_B_PULSE_PER_BAR;
hyhoon 226:82a3ca333004 467 }
jobuuu 230:2c3e5ecbe7e1 468 pres_A.UpdateSen(pres_A_new,FREQ_TMR4,200.0f);
jobuuu 230:2c3e5ecbe7e1 469 pres_B.UpdateSen(pres_B_new,FREQ_TMR4,200.0f);
Lightvalve 50:3c630b5eba9f 470
Lightvalve 260:bbb74caca589 471 if ((OPERATING_MODE & 0b01) == 0) { // Rotary Actuator
Lightvalve 235:c831718303c9 472 float torq_new = (PISTON_AREA_A * pres_A.sen - PISTON_AREA_B * pres_B.sen) * 0.0001f; // mm^3*bar >> Nm
Lightvalve 232:2976cf1b4252 473 torq.UpdateSen(torq_new,FREQ_TMR4,1000.0f); // unit : Nm
Lightvalve 260:bbb74caca589 474 } else if ((OPERATING_MODE & 0b01) == 1) { // Linear Actuator
jobuuu 230:2c3e5ecbe7e1 475 float force_new = (PISTON_AREA_A * pres_A.sen - PISTON_AREA_B * pres_B.sen) * 0.1f; // mm^2*bar >> N
Lightvalve 232:2976cf1b4252 476 force.UpdateSen(force_new,FREQ_TMR4,1000.0f); // unit : N
Lightvalve 58:2eade98630e2 477 }
Lightvalve 58:2eade98630e2 478 }
Lightvalve 61:bc8c8270f0ab 479
Lightvalve 57:f4819de54e7a 480 CNT_TMR4++;
Lightvalve 21:e5f1a43ea6f9 481 }
Lightvalve 11:82d8768d7351 482 TIM4->SR = 0x0; // reset the status register
Lightvalve 11:82d8768d7351 483 }
Lightvalve 19:23b7c1ad8683 484
Lightvalve 19:23b7c1ad8683 485
Lightvalve 18:b8adf1582ea3 486 int j =0;
Lightvalve 54:647072f5307a 487 float FREQ_TMR3 = (float)FREQ_5k;
Lightvalve 48:889798ff9329 488 float DT_TMR3 = (float)DT_5k;
Lightvalve 45:35fa6884d0c6 489 int cnt_trans = 0;
Lightvalve 48:889798ff9329 490 double VALVE_POS_RAW_FORCE_FB_LOGGING = 0.0f;
Lightvalve 57:f4819de54e7a 491 int can_rest =0;
Lightvalve 258:c16774af92ed 492 float force_ref_act_can = 0.0f;
Lightvalve 48:889798ff9329 493
Lightvalve 11:82d8768d7351 494 extern "C" void TIM3_IRQHandler(void)
Lightvalve 21:e5f1a43ea6f9 495 {
Lightvalve 19:23b7c1ad8683 496 if (TIM3->SR & TIM_SR_UIF ) {
Lightvalve 57:f4819de54e7a 497
Lightvalve 50:3c630b5eba9f 498 if(MODE_POS_FT_TRANS == 1) {
jobuuu 230:2c3e5ecbe7e1 499 if (alpha_trans == 1.0f) MODE_POS_FT_TRANS = 2;
Lightvalve 48:889798ff9329 500 alpha_trans = (float)(1.0f - cos(3.141592f * (float)cnt_trans * DT_TMR3 /3.0f))/2.0f;
Lightvalve 45:35fa6884d0c6 501 cnt_trans++;
Lightvalve 233:2ec0de8590d3 502 torq.err_int = 0.0f;
Lightvalve 233:2ec0de8590d3 503 force.err_int = 0.0f;
Lightvalve 48:889798ff9329 504 if((float)cnt_trans * DT_TMR3 > 3.0f)
Lightvalve 45:35fa6884d0c6 505 MODE_POS_FT_TRANS = 2;
Lightvalve 50:3c630b5eba9f 506 } else if(MODE_POS_FT_TRANS == 3) {
jobuuu 230:2c3e5ecbe7e1 507 if (alpha_trans == 0.0f) MODE_POS_FT_TRANS = 0;
Lightvalve 48:889798ff9329 508 alpha_trans = (float)(1.0f + cos(3.141592f * (float)cnt_trans * DT_TMR3 /3.0f))/2.0f;
Lightvalve 45:35fa6884d0c6 509 cnt_trans++;
Lightvalve 233:2ec0de8590d3 510 torq.err_int = 0.0f;
Lightvalve 233:2ec0de8590d3 511 force.err_int = 0.0f;
Lightvalve 48:889798ff9329 512 if((float) cnt_trans * DT_TMR3 > 3.0f )
Lightvalve 45:35fa6884d0c6 513 MODE_POS_FT_TRANS = 0;
Lightvalve 50:3c630b5eba9f 514 } else if(MODE_POS_FT_TRANS == 2) {
Lightvalve 58:2eade98630e2 515 alpha_trans = 1.0f;
Lightvalve 45:35fa6884d0c6 516 cnt_trans = 0;
Lightvalve 50:3c630b5eba9f 517 } else {
Lightvalve 58:2eade98630e2 518 alpha_trans = 0.0f;
Lightvalve 45:35fa6884d0c6 519 cnt_trans = 0;
Lightvalve 45:35fa6884d0c6 520 }
Lightvalve 45:35fa6884d0c6 521
Lightvalve 50:3c630b5eba9f 522
jobuuu 230:2c3e5ecbe7e1 523 // Reference Update ==========================================================
hyhoon 227:699c3e572283 524 switch (REFERENCE_MODE) {
hyhoon 227:699c3e572283 525 case MODE_REF_NO_ACT: {
hyhoon 227:699c3e572283 526 break;
hyhoon 227:699c3e572283 527 }
hyhoon 227:699c3e572283 528 case MODE_REF_DIRECT: {
hyhoon 227:699c3e572283 529 pos.ref = REF_POSITION;
hyhoon 227:699c3e572283 530 vel.ref = REF_VELOCITY;
hyhoon 227:699c3e572283 531 torq.ref = REF_TORQUE;
jobuuu 230:2c3e5ecbe7e1 532 force.ref = REF_FORCE;
jobuuu 230:2c3e5ecbe7e1 533 break;
jobuuu 230:2c3e5ecbe7e1 534 }
jobuuu 230:2c3e5ecbe7e1 535 case MODE_REF_FINDHOME: {
jobuuu 230:2c3e5ecbe7e1 536 pos.ref = REF_POSITION_FINDHOME;
jobuuu 230:2c3e5ecbe7e1 537 vel.ref = 0.0f;
jobuuu 230:2c3e5ecbe7e1 538 torq.ref = 0.0f;
jobuuu 230:2c3e5ecbe7e1 539 force.ref = 0.0f;
hyhoon 227:699c3e572283 540 break;
hyhoon 227:699c3e572283 541 }
hyhoon 227:699c3e572283 542 default:
hyhoon 227:699c3e572283 543 break;
hyhoon 227:699c3e572283 544 }
hyhoon 227:699c3e572283 545
jobuuu 230:2c3e5ecbe7e1 546 if (((OPERATING_MODE&0b010)>>1) == 0) {
jobuuu 230:2c3e5ecbe7e1 547 K_v = 1.03f; // Q = K_v*sqrt(deltaP)*tanh(C_d*Xv);
Lightvalve 235:c831718303c9 548 C_d = 0.16f;
jobuuu 230:2c3e5ecbe7e1 549 mV_PER_mA = 500.0f; // 5000mV/10mA
jobuuu 230:2c3e5ecbe7e1 550 mV_PER_pulse = 0.5f; // 5000mV/10000pulse
jobuuu 230:2c3e5ecbe7e1 551 mA_PER_pulse = 0.001f; // 10mA/10000pulse
jobuuu 230:2c3e5ecbe7e1 552 } else if (((OPERATING_MODE&0b010)>>1) == 1) {
jobuuu 230:2c3e5ecbe7e1 553 K_v = 0.5f; // KNR (LPM >> mA) , 100bar
jobuuu 230:2c3e5ecbe7e1 554 mV_PER_mA = 166.6666f; // 5000mV/30mA
jobuuu 230:2c3e5ecbe7e1 555 mV_PER_pulse = 0.5f; // 5000mV/10000pulse
jobuuu 230:2c3e5ecbe7e1 556 mA_PER_pulse = 0.003f; // 30mA/10000pulse
jobuuu 230:2c3e5ecbe7e1 557 }
Lightvalve 235:c831718303c9 558
jobuuu 230:2c3e5ecbe7e1 559 // =====================================================================
jobuuu 230:2c3e5ecbe7e1 560 // CONTROL LOOP --------------------------------------------------------
jobuuu 230:2c3e5ecbe7e1 561 // =====================================================================
Lightvalve 57:f4819de54e7a 562 int UTILITY_MODE = 0;
Lightvalve 57:f4819de54e7a 563 int CONTROL_MODE = 0;
Lightvalve 58:2eade98630e2 564
Lightvalve 57:f4819de54e7a 565 if (CONTROL_UTILITY_MODE >= 20 || CONTROL_UTILITY_MODE == 0) {
Lightvalve 57:f4819de54e7a 566 UTILITY_MODE = CONTROL_UTILITY_MODE;
Lightvalve 57:f4819de54e7a 567 CONTROL_MODE = MODE_NO_ACT;
Lightvalve 57:f4819de54e7a 568 } else {
Lightvalve 57:f4819de54e7a 569 CONTROL_MODE = CONTROL_UTILITY_MODE;
Lightvalve 57:f4819de54e7a 570 UTILITY_MODE = MODE_NO_ACT;
Lightvalve 57:f4819de54e7a 571 }
Lightvalve 57:f4819de54e7a 572 // UTILITY MODE ------------------------------------------------------------
Lightvalve 57:f4819de54e7a 573 switch (UTILITY_MODE) {
Lightvalve 57:f4819de54e7a 574 case MODE_NO_ACT: {
Lightvalve 13:747daba9cf59 575 break;
Lightvalve 13:747daba9cf59 576 }
Lightvalve 14:8e7590227d22 577
Lightvalve 235:c831718303c9 578 case MODE_TORQUE_SENSOR_NULLING: {
Lightvalve 235:c831718303c9 579 static float FORCE_pulse_sum = 0.0;
Lightvalve 235:c831718303c9 580 static float PresA_pulse_sum = 0.0;
Lightvalve 235:c831718303c9 581 static float PresB_pulse_sum = 0.0;
Lightvalve 235:c831718303c9 582
Lightvalve 13:747daba9cf59 583 // DAC Voltage reference set
Lightvalve 232:2976cf1b4252 584 float VREF_TuningGain = -0.000003f;
jobuuu 230:2c3e5ecbe7e1 585 if (TMR3_COUNT_TORQUE_NULL < TMR_FREQ_5k * 5) {
jobuuu 230:2c3e5ecbe7e1 586 LED = 1;
jobuuu 230:2c3e5ecbe7e1 587 if(SENSING_MODE == 0) { // Force Sensor (Loadcell)
jobuuu 230:2c3e5ecbe7e1 588 FORCE_pulse_sum = FORCE_pulse_sum + force.sen*TORQUE_SENSOR_PULSE_PER_TORQUE;
jobuuu 230:2c3e5ecbe7e1 589 if (TMR3_COUNT_TORQUE_NULL % 10 == 0) {
jobuuu 230:2c3e5ecbe7e1 590 float FORCE_pluse_mean = FORCE_pulse_sum / 10.0f;
jobuuu 230:2c3e5ecbe7e1 591 FORCE_pulse_sum = 0.0f;
Lightvalve 19:23b7c1ad8683 592
Lightvalve 261:10f0e04fdb0b 593 FORCE_VREF -= VREF_TuningGain * (0.0f - FORCE_pluse_mean);
jobuuu 230:2c3e5ecbe7e1 594 if (FORCE_VREF > 3.3f) FORCE_VREF = 3.3f;
jobuuu 230:2c3e5ecbe7e1 595 if (FORCE_VREF < 0.0f) FORCE_VREF = 0.0f;
jobuuu 230:2c3e5ecbe7e1 596 dac_1 = FORCE_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 597 }
Lightvalve 235:c831718303c9 598 } else if (SENSING_MODE == 1) { // Pressure Sensor
jobuuu 230:2c3e5ecbe7e1 599 PresA_pulse_sum += pres_A.sen*PRES_SENSOR_A_PULSE_PER_BAR;
jobuuu 230:2c3e5ecbe7e1 600 PresB_pulse_sum += pres_B.sen*PRES_SENSOR_B_PULSE_PER_BAR;
jobuuu 230:2c3e5ecbe7e1 601 if (TMR3_COUNT_TORQUE_NULL % 10 == 0) {
jobuuu 230:2c3e5ecbe7e1 602 float PresA_pluse_mean = PresA_pulse_sum / 10.0f;
jobuuu 230:2c3e5ecbe7e1 603 float PresB_pluse_mean = PresB_pulse_sum / 10.0f;
jobuuu 230:2c3e5ecbe7e1 604 PresA_pulse_sum = 0.0f;
jobuuu 230:2c3e5ecbe7e1 605 PresB_pulse_sum = 0.0f;
Lightvalve 19:23b7c1ad8683 606
jobuuu 230:2c3e5ecbe7e1 607 PRES_A_VREF += VREF_TuningGain * (0.0f - PresA_pluse_mean);
jobuuu 230:2c3e5ecbe7e1 608 if (PRES_A_VREF > 3.3f) PRES_A_VREF = 3.3f;
jobuuu 230:2c3e5ecbe7e1 609 if (PRES_A_VREF < 0.0f) PRES_A_VREF = 0.0f;
jobuuu 230:2c3e5ecbe7e1 610 dac_1 = PRES_A_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 611 PRES_B_VREF += VREF_TuningGain * (0.0f - PresB_pluse_mean);
jobuuu 230:2c3e5ecbe7e1 612 if (PRES_B_VREF > 3.3f) PRES_B_VREF = 3.3f;
Lightvalve 235:c831718303c9 613 if (PRES_B_VREF < 0.0f) PRES_B_VREF = 0.0f;
jobuuu 230:2c3e5ecbe7e1 614 dac_2 = PRES_B_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 615 }
Lightvalve 13:747daba9cf59 616 }
jobuuu 230:2c3e5ecbe7e1 617 TMR3_COUNT_TORQUE_NULL++;
Lightvalve 13:747daba9cf59 618 } else {
jobuuu 230:2c3e5ecbe7e1 619 if(SENSING_MODE == 0 ) { // Force Sensor (Loadcell)
jobuuu 230:2c3e5ecbe7e1 620 FORCE_pulse_sum = 0.0f;
jobuuu 230:2c3e5ecbe7e1 621 dac_1 = FORCE_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 622 spi_eeprom_write(RID_FORCE_SENSOR_VREF, (int16_t)(FORCE_VREF * 1000.0f));
jobuuu 230:2c3e5ecbe7e1 623 } else if (SENSING_MODE == 1) {
jobuuu 230:2c3e5ecbe7e1 624 PresA_pulse_sum = 0.0f;
jobuuu 230:2c3e5ecbe7e1 625 PresB_pulse_sum = 0.0f;
jobuuu 230:2c3e5ecbe7e1 626 dac_1 = PRES_A_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 627 dac_2 = PRES_B_VREF / 3.3f;
jobuuu 230:2c3e5ecbe7e1 628 spi_eeprom_write(RID_PRES_A_SENSOR_VREF, (int16_t)(PRES_A_VREF * 1000.0f));
jobuuu 230:2c3e5ecbe7e1 629 spi_eeprom_write(RID_PRES_B_SENSOR_VREF, (int16_t)(PRES_B_VREF * 1000.0f));
jobuuu 230:2c3e5ecbe7e1 630 }
Lightvalve 58:2eade98630e2 631 CONTROL_UTILITY_MODE = MODE_NO_ACT;
Lightvalve 14:8e7590227d22 632 TMR3_COUNT_TORQUE_NULL = 0;
Lightvalve 13:747daba9cf59 633 }
Lightvalve 261:10f0e04fdb0b 634 // dac_1 = 1.65f / 3.3f;
Lightvalve 261:10f0e04fdb0b 635 // CONTROL_UTILITY_MODE = MODE_NO_ACT;
Lightvalve 261:10f0e04fdb0b 636
Lightvalve 13:747daba9cf59 637 break;
Lightvalve 19:23b7c1ad8683 638 }
Lightvalve 14:8e7590227d22 639
Lightvalve 235:c831718303c9 640 case MODE_FIND_HOME: {
jobuuu 230:2c3e5ecbe7e1 641 static int cnt_findhome = 0;
jobuuu 230:2c3e5ecbe7e1 642 static int cnt_terminate_findhome = 0;
jobuuu 230:2c3e5ecbe7e1 643 static float FINDHOME_POSITION_pulse = 0.0f;
jobuuu 230:2c3e5ecbe7e1 644 static float FINDHOME_POSITION_pulse_OLD = 0.0f;
jobuuu 230:2c3e5ecbe7e1 645 static float FINDHOME_VELOCITY_pulse = 0.0f;
Lightvalve 235:c831718303c9 646 static float REF_POSITION_FINDHOME_INIT = 0.0f;
jobuuu 230:2c3e5ecbe7e1 647
Lightvalve 29:69f3f5445d6d 648 if (FINDHOME_STAGE == FINDHOME_INIT) {
jobuuu 230:2c3e5ecbe7e1 649 REFERENCE_MODE = MODE_REF_FINDHOME;
Lightvalve 14:8e7590227d22 650 cnt_findhome = 0;
jobuuu 230:2c3e5ecbe7e1 651 cnt_terminate_findhome = 0;
Lightvalve 59:f308b1656d9c 652 pos.ref = pos.sen;
Lightvalve 59:f308b1656d9c 653 vel.ref = 0.0f;
jobuuu 230:2c3e5ecbe7e1 654 REF_POSITION_FINDHOME = pos.ref;
Lightvalve 29:69f3f5445d6d 655 FINDHOME_STAGE = FINDHOME_GOTOLIMIT;
Lightvalve 29:69f3f5445d6d 656 } else if (FINDHOME_STAGE == FINDHOME_GOTOLIMIT) {
jobuuu 230:2c3e5ecbe7e1 657 int cnt_check_enc = (TMR_FREQ_5k/20); // 5000/20 = 250tic = 50msec
Lightvalve 29:69f3f5445d6d 658 if(cnt_findhome%cnt_check_enc == 0) {
jobuuu 230:2c3e5ecbe7e1 659 FINDHOME_POSITION_pulse = pos.sen*ENC_PULSE_PER_POSITION;
jobuuu 230:2c3e5ecbe7e1 660 FINDHOME_VELOCITY_pulse = FINDHOME_POSITION_pulse - FINDHOME_POSITION_pulse_OLD;
jobuuu 230:2c3e5ecbe7e1 661 FINDHOME_POSITION_pulse_OLD = FINDHOME_POSITION_pulse;
Lightvalve 29:69f3f5445d6d 662 }
Lightvalve 29:69f3f5445d6d 663 cnt_findhome++;
Lightvalve 14:8e7590227d22 664
jobuuu 230:2c3e5ecbe7e1 665 if (fabs(FINDHOME_VELOCITY_pulse) <= 1) {
jobuuu 230:2c3e5ecbe7e1 666 cnt_terminate_findhome = cnt_terminate_findhome + 1;
Lightvalve 29:69f3f5445d6d 667 } else {
jobuuu 230:2c3e5ecbe7e1 668 cnt_terminate_findhome = 0;
Lightvalve 29:69f3f5445d6d 669 }
Lightvalve 19:23b7c1ad8683 670
jobuuu 230:2c3e5ecbe7e1 671 if ((cnt_terminate_findhome < 3*TMR_FREQ_5k) && cnt_findhome < 10*TMR_FREQ_5k) { // wait for 3sec
jobuuu 230:2c3e5ecbe7e1 672 double GOTOHOME_SPEED = 10.0f; // 20mm/s or 20deg/s
hyhoon 226:82a3ca333004 673 if (HOMEPOS_OFFSET > 0) {
Lightvalve 235:c831718303c9 674 REF_POSITION_FINDHOME = REF_POSITION_FINDHOME + GOTOHOME_SPEED*DT_5k;
hyhoon 226:82a3ca333004 675 } else {
jobuuu 230:2c3e5ecbe7e1 676 REF_POSITION_FINDHOME = REF_POSITION_FINDHOME - GOTOHOME_SPEED*DT_5k;
hyhoon 226:82a3ca333004 677 }
Lightvalve 59:f308b1656d9c 678 CONTROL_MODE = MODE_JOINT_CONTROL;
Lightvalve 59:f308b1656d9c 679 alpha_trans = 0.0f;
Lightvalve 29:69f3f5445d6d 680 } else {
jobuuu 230:2c3e5ecbe7e1 681 ENC_SET((long)((long)HOMEPOS_OFFSET*10));
jobuuu 230:2c3e5ecbe7e1 682 REF_POSITION_FINDHOME_INIT = (float)((long)HOMEPOS_OFFSET*10);
jobuuu 230:2c3e5ecbe7e1 683 FINDHOME_POSITION_pulse = 0;
jobuuu 230:2c3e5ecbe7e1 684 FINDHOME_POSITION_pulse_OLD = 0;
jobuuu 230:2c3e5ecbe7e1 685 FINDHOME_VELOCITY_pulse = 0;
Lightvalve 235:c831718303c9 686
Lightvalve 29:69f3f5445d6d 687 cnt_findhome = 0;
jobuuu 230:2c3e5ecbe7e1 688 cnt_terminate_findhome = 0;
jobuuu 230:2c3e5ecbe7e1 689 pos.ref = 0.0f;
Lightvalve 29:69f3f5445d6d 690 FINDHOME_STAGE = FINDHOME_ZEROPOSE;
Lightvalve 29:69f3f5445d6d 691 }
Lightvalve 29:69f3f5445d6d 692 } else if (FINDHOME_STAGE == FINDHOME_ZEROPOSE) {
Lightvalve 235:c831718303c9 693
Lightvalve 232:2976cf1b4252 694 // int T_move = 2*TMR_FREQ_5k;
Lightvalve 232:2976cf1b4252 695 int T_move = 10000;
Lightvalve 232:2976cf1b4252 696 REF_POSITION_FINDHOME = ((0.0f - REF_POSITION_FINDHOME_INIT)*0.5f*(1.0f - cos(3.14159f * (float)cnt_findhome / (float)T_move)) + (float)REF_POSITION_FINDHOME_INIT)/ENC_PULSE_PER_POSITION;
Lightvalve 235:c831718303c9 697
Lightvalve 29:69f3f5445d6d 698 cnt_findhome++;
Lightvalve 235:c831718303c9 699
Lightvalve 232:2976cf1b4252 700 REFERENCE_MODE = MODE_REF_FINDHOME;
Lightvalve 232:2976cf1b4252 701 CONTROL_MODE = MODE_JOINT_CONTROL;
Lightvalve 232:2976cf1b4252 702 alpha_trans = 0.0f;
Lightvalve 235:c831718303c9 703
Lightvalve 29:69f3f5445d6d 704 if (cnt_findhome >= T_move) {
Lightvalve 29:69f3f5445d6d 705 cnt_findhome = 0;
Lightvalve 30:8d561f16383b 706 pos.ref = 0.0f;
Lightvalve 29:69f3f5445d6d 707 FINDHOME_STAGE = FINDHOME_INIT;
Lightvalve 57:f4819de54e7a 708 CONTROL_UTILITY_MODE = MODE_JOINT_CONTROL;
jobuuu 230:2c3e5ecbe7e1 709 REFERENCE_MODE = MODE_REF_DIRECT;
hyhoon 226:82a3ca333004 710 }
Lightvalve 13:747daba9cf59 711 }
Lightvalve 13:747daba9cf59 712 break;
Lightvalve 13:747daba9cf59 713 }
Lightvalve 57:f4819de54e7a 714 default:
Lightvalve 57:f4819de54e7a 715 break;
Lightvalve 57:f4819de54e7a 716 }
Lightvalve 57:f4819de54e7a 717
Lightvalve 57:f4819de54e7a 718 // CONTROL MODE ------------------------------------------------------------
Lightvalve 57:f4819de54e7a 719 switch (CONTROL_MODE) {
Lightvalve 57:f4819de54e7a 720 case MODE_NO_ACT: {
Lightvalve 57:f4819de54e7a 721 V_out = 0.0f;
Lightvalve 57:f4819de54e7a 722 break;
Lightvalve 57:f4819de54e7a 723 }
Lightvalve 57:f4819de54e7a 724
Lightvalve 57:f4819de54e7a 725 case MODE_VALVE_POSITION_CONTROL: {
Lightvalve 67:c2812cf26c38 726 if (OPERATING_MODE == 5) { //SW Valve
Lightvalve 57:f4819de54e7a 727 VALVE_POS_CONTROL(valve_pos.ref);
Lightvalve 59:f308b1656d9c 728 V_out = Vout.ref;
Lightvalve 67:c2812cf26c38 729 } else if (CURRENT_CONTROL_MODE == 0) { //PWM
Lightvalve 235:c831718303c9 730 V_out = valve_pos.ref;
Lightvalve 169:645207e160ca 731 } else {
jobuuu 230:2c3e5ecbe7e1 732 I_REF = valve_pos.ref * 0.001f; // Unit : pulse >> mA
jobuuu 230:2c3e5ecbe7e1 733 float I_MAX = 10.0f; // Max : 10mA
jobuuu 230:2c3e5ecbe7e1 734 if (I_REF > I_MAX) {
jobuuu 230:2c3e5ecbe7e1 735 I_REF = I_MAX;
jobuuu 230:2c3e5ecbe7e1 736 } else if (I_REF < -I_MAX) {
jobuuu 230:2c3e5ecbe7e1 737 I_REF = -I_MAX;
jobuuu 230:2c3e5ecbe7e1 738 }
Lightvalve 57:f4819de54e7a 739 }
Lightvalve 57:f4819de54e7a 740 break;
Lightvalve 57:f4819de54e7a 741 }
Lightvalve 57:f4819de54e7a 742
Lightvalve 235:c831718303c9 743 case MODE_JOINT_CONTROL: {
Lightvalve 57:f4819de54e7a 744
jobuuu 230:2c3e5ecbe7e1 745 float temp_vel_pos = 0.0f; // desired velocity for position control
Lightvalve 235:c831718303c9 746 float temp_vel_FT = 0.0f; // desired velocity for force/torque control
Lightvalve 235:c831718303c9 747 float temp_vel_ff = 0.0f; // desired velocity for feedforward control
jobuuu 230:2c3e5ecbe7e1 748 float temp_vel = 0.0f;
Lightvalve 58:2eade98630e2 749
jobuuu 230:2c3e5ecbe7e1 750 float wn_Pos = 2.0f * PI * 5.0f; // f_cut : 5Hz Position Control
Lightvalve 235:c831718303c9 751
jobuuu 230:2c3e5ecbe7e1 752 pos.err = pos.ref - pos.sen; // Unit : mm or deg
jobuuu 230:2c3e5ecbe7e1 753 vel.err = vel.ref - vel.sen; // Unit : mm/s or deg/s
Lightvalve 235:c831718303c9 754
jobuuu 230:2c3e5ecbe7e1 755 // position control command ===============================================================================================================================================
Lightvalve 260:bbb74caca589 756 if ((OPERATING_MODE & 0b01) == 0) { // Rotary Mode
Lightvalve 235:c831718303c9 757 temp_vel_pos = 0.1f * (P_GAIN_JOINT_POSITION * wn_Pos * pos.err) * PI / 180.0f; // rad/s
Lightvalve 235:c831718303c9 758 // L when P-gain = 100, f_cut = 10Hz
jobuuu 230:2c3e5ecbe7e1 759 } else {
Lightvalve 235:c831718303c9 760 temp_vel_pos = 0.1f * (P_GAIN_JOINT_POSITION * wn_Pos * pos.err); // mm/s
Lightvalve 235:c831718303c9 761 // L when P-gain = 100, f_cut = 10Hz
jobuuu 230:2c3e5ecbe7e1 762 }
Lightvalve 57:f4819de54e7a 763
jobuuu 230:2c3e5ecbe7e1 764 // torque control command ===============================================================================================================================================
jobuuu 230:2c3e5ecbe7e1 765 float alpha_SpringDamper = 1.0f/(1.0f+TMR_FREQ_5k/(2.0f*PI*30.0f));
Lightvalve 259:5da820cc9a1a 766 K_LPF = (1.0f-alpha_SpringDamper) * K_LPF + alpha_SpringDamper * K_SPRING;
Lightvalve 259:5da820cc9a1a 767 D_LPF = (1.0f-alpha_SpringDamper) * D_LPF + alpha_SpringDamper * D_DAMPER;
Lightvalve 235:c831718303c9 768
Lightvalve 260:bbb74caca589 769 if ((OPERATING_MODE & 0b01) == 0) { // Rotary Mode
Lightvalve 261:10f0e04fdb0b 770 float torq_ref_act = torq.ref + K_SPRING * pos.err + D_DAMPER * vel.err; // unit : Nm
jobuuu 230:2c3e5ecbe7e1 771 torq.err = torq_ref_act - torq.sen;
jobuuu 230:2c3e5ecbe7e1 772 torq.err_int += torq.err/((float)TMR_FREQ_5k);
Lightvalve 235:c831718303c9 773 temp_vel_FT = 0.001f * (P_GAIN_JOINT_TORQUE * torq.err + I_GAIN_JOINT_TORQUE * torq.err_int); // Nm >> rad/s
Lightvalve 57:f4819de54e7a 774 } else {
Lightvalve 261:10f0e04fdb0b 775 float force_ref_act = force.ref + K_SPRING * pos.err + D_DAMPER * vel.err; // unit : N
Lightvalve 258:c16774af92ed 776 force_ref_act_can = force_ref_act;
jobuuu 230:2c3e5ecbe7e1 777 force.err = force_ref_act - force.sen;
jobuuu 230:2c3e5ecbe7e1 778 force.err_int += force.err/((float)TMR_FREQ_5k);
Lightvalve 235:c831718303c9 779 temp_vel_FT = 0.001f * (P_GAIN_JOINT_TORQUE * force.err + I_GAIN_JOINT_TORQUE * force.err_int); // N >> mm/s
jobuuu 230:2c3e5ecbe7e1 780 }
Lightvalve 235:c831718303c9 781
Lightvalve 235:c831718303c9 782
Lightvalve 235:c831718303c9 783 // velocity feedforward command ========================================================================================================================================
Lightvalve 260:bbb74caca589 784 if ((OPERATING_MODE & 0b01) == 0) { // Rotary Mode
jobuuu 230:2c3e5ecbe7e1 785 temp_vel_ff = 0.01f * (float)VELOCITY_COMP_GAIN * vel.ref * PI / 180.0f; // rad/s
jobuuu 230:2c3e5ecbe7e1 786 } else {
jobuuu 230:2c3e5ecbe7e1 787 temp_vel_ff = 0.01f * (float)VELOCITY_COMP_GAIN * vel.ref; // mm/s
jobuuu 230:2c3e5ecbe7e1 788 }
Lightvalve 169:645207e160ca 789
Lightvalve 235:c831718303c9 790 // command integration =================================================================================================================================================
jobuuu 230:2c3e5ecbe7e1 791 temp_vel = (1.0f - alpha_trans) * temp_vel_pos + alpha_trans * temp_vel_FT + temp_vel_ff; // Position Control + Torque Control + Velocity Feedforward
jobuuu 230:2c3e5ecbe7e1 792
Lightvalve 261:10f0e04fdb0b 793 temp_LOG[0] = temp_vel_FT;
Lightvalve 261:10f0e04fdb0b 794 temp_LOG[1] = temp_vel_ff;
Lightvalve 261:10f0e04fdb0b 795
Lightvalve 235:c831718303c9 796 float Qact = 0.0f; // required flow rate
jobuuu 230:2c3e5ecbe7e1 797 if( temp_vel > 0.0f ) {
jobuuu 230:2c3e5ecbe7e1 798 Qact = temp_vel * ((float)PISTON_AREA_A * 0.00006f); // mm^3/sec >> LPM
jobuuu 230:2c3e5ecbe7e1 799 I_REF = tanh_inv(Qact/(K_v * sqrt(PRES_SUPPLY * alpha3 / (alpha3 + 1.0f))))/C_d;
jobuuu 230:2c3e5ecbe7e1 800 } else {
jobuuu 230:2c3e5ecbe7e1 801 Qact = temp_vel * ((float)PISTON_AREA_B * 0.00006f); // mm^3/sec >> LPM
jobuuu 230:2c3e5ecbe7e1 802 I_REF = tanh_inv(Qact/(K_v * sqrt(PRES_SUPPLY / (alpha3 + 1.0f))))/C_d;
jobuuu 230:2c3e5ecbe7e1 803 }
Lightvalve 261:10f0e04fdb0b 804
Lightvalve 235:c831718303c9 805 float I_MAX = 10.0f; // Maximum Current : 10mA
Lightvalve 261:10f0e04fdb0b 806
jobuuu 230:2c3e5ecbe7e1 807 // Anti-windup for FT
Lightvalve 235:c831718303c9 808 // if (I_GAIN_JOINT_TORQUE != 0.0f) {
Lightvalve 235:c831718303c9 809 if (I_GAIN_JOINT_TORQUE > 0.001f) {
jobuuu 230:2c3e5ecbe7e1 810 float Ka = 2.0f;
jobuuu 230:2c3e5ecbe7e1 811 if (I_REF > I_MAX) {
jobuuu 230:2c3e5ecbe7e1 812 float I_rem = I_REF - I_MAX;
jobuuu 230:2c3e5ecbe7e1 813 I_REF = I_MAX;
Lightvalve 235:c831718303c9 814 float temp_vel_rem = K_v * sqrt(PRES_SUPPLY * alpha3 / (alpha3 + 1.0f)) * tanh(C_d*I_rem) / ((double) PISTON_AREA_A * 0.00006f); // Unit : mm/s [linear] / rad/s [rotary]
Lightvalve 233:2ec0de8590d3 815 torq.err_int = torq.err_int - Ka * temp_vel_rem * (10000.0f/I_GAIN_JOINT_TORQUE);
jobuuu 230:2c3e5ecbe7e1 816 } else if (I_REF < -I_MAX) {
jobuuu 230:2c3e5ecbe7e1 817 double I_rem = I_REF - (-I_MAX);
jobuuu 230:2c3e5ecbe7e1 818 I_REF = -I_MAX;
Lightvalve 235:c831718303c9 819 float temp_vel_rem = K_v * sqrt(PRES_SUPPLY / (alpha3 + 1.0f)) * tanh(C_d*I_rem) / ((double) PISTON_AREA_B * 0.00006f); // Unit : mm/s [linear] / rad/s [rotary]
Lightvalve 233:2ec0de8590d3 820 torq.err_int = torq.err_int - Ka * temp_vel_rem * (10000.0f/I_GAIN_JOINT_TORQUE);
Lightvalve 57:f4819de54e7a 821 }
Lightvalve 235:c831718303c9 822 } else {
Lightvalve 235:c831718303c9 823 if(I_REF > I_MAX) {
Lightvalve 235:c831718303c9 824 I_REF = I_MAX;
Lightvalve 235:c831718303c9 825 } else if (I_REF < -I_MAX) {
Lightvalve 261:10f0e04fdb0b 826 I_REF = -I_MAX;
Lightvalve 235:c831718303c9 827 }
Lightvalve 57:f4819de54e7a 828 }
Lightvalve 57:f4819de54e7a 829 break;
Lightvalve 57:f4819de54e7a 830 }
Lightvalve 58:2eade98630e2 831
Lightvalve 57:f4819de54e7a 832 case MODE_VALVE_OPEN_LOOP: {
Lightvalve 57:f4819de54e7a 833 V_out = (float) Vout.ref;
Lightvalve 57:f4819de54e7a 834 break;
Lightvalve 57:f4819de54e7a 835 }
Lightvalve 169:645207e160ca 836
jobuuu 230:2c3e5ecbe7e1 837 // case MODE_JOINT_ADAPTIVE_BACKSTEPPING: {
jobuuu 230:2c3e5ecbe7e1 838 //
jobuuu 230:2c3e5ecbe7e1 839 // float Va = (1256.6f + Amm * pos.sen/(float)(ENC_PULSE_PER_POSITION)) * 0.000000001f; // 4mm pipe * 100mm + (25mm Cylinder 18mm Rod) * x, unit : m^3
jobuuu 230:2c3e5ecbe7e1 840 // float Vb = (1256.6f + Amm * (79.0f - pos.sen/(float)(ENC_PULSE_PER_POSITION))) * 0.000000001f; // 4mm pipe * 100mm + (25mm Cylinder 18mm Rod) * (79.0mm-x), unit : m^3
jobuuu 230:2c3e5ecbe7e1 841 //
jobuuu 230:2c3e5ecbe7e1 842 // V_adapt = 1.0f / (1.0f/Va + 1.0f/Vb); //initial 0.0000053f
jobuuu 230:2c3e5ecbe7e1 843 //
jobuuu 230:2c3e5ecbe7e1 844 // //float f3 = -Amm*Amm*beta*0.000001f*0.000001f/V_adapt * vel.sen/(float)(ENC_PULSE_PER_POSITION)*0.001f; // unit : N/s //xdot=10mm/s일때 -137076
jobuuu 230:2c3e5ecbe7e1 845 // float f3_hat = -a_hat * vel.sen/(float)(ENC_PULSE_PER_POSITION)*0.001f; // unit : N/s //xdot=10mm/s일때 -137076
jobuuu 230:2c3e5ecbe7e1 846 //
jobuuu 230:2c3e5ecbe7e1 847 // float g3_prime = 0.0f;
jobuuu 230:2c3e5ecbe7e1 848 // if (torq.sen > Amm*(Ps-Pt)*0.000001f) {
jobuuu 230:2c3e5ecbe7e1 849 // g3_prime = 1.0f;
jobuuu 230:2c3e5ecbe7e1 850 // } else if (torq.sen < -Amm*(Ps-Pt)*0.000001f) {
jobuuu 230:2c3e5ecbe7e1 851 // g3_prime = -1.0f;
jobuuu 230:2c3e5ecbe7e1 852 // } else {
jobuuu 230:2c3e5ecbe7e1 853 // if ((value-VALVE_CENTER) > 0) {
jobuuu 230:2c3e5ecbe7e1 854 // g3_prime = sqrt(Ps-Pt-torq.sen/Amm*1000000.0f);
jobuuu 230:2c3e5ecbe7e1 855 //// g3_prime = sqrt(Ps-Pt);
jobuuu 230:2c3e5ecbe7e1 856 // } else {
jobuuu 230:2c3e5ecbe7e1 857 // g3_prime = sqrt(Ps-Pt+torq.sen/Amm*1000000.0f);
jobuuu 230:2c3e5ecbe7e1 858 //// g3_prime = sqrt(Ps-Pt);
jobuuu 230:2c3e5ecbe7e1 859 // }
jobuuu 230:2c3e5ecbe7e1 860 // }
jobuuu 230:2c3e5ecbe7e1 861 // float tau = 0.01f;
jobuuu 230:2c3e5ecbe7e1 862 // float K_valve = 0.0004f;
jobuuu 230:2c3e5ecbe7e1 863 //
jobuuu 230:2c3e5ecbe7e1 864 // float x_v = 0.0f; //x_v : -1~1
jobuuu 230:2c3e5ecbe7e1 865 // if(value>=VALVE_CENTER) {
jobuuu 230:2c3e5ecbe7e1 866 // x_v = 1.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MAX_POS - (double)VALVE_CENTER);
jobuuu 230:2c3e5ecbe7e1 867 // } else {
jobuuu 230:2c3e5ecbe7e1 868 // x_v = -1.0f*((double)value - (double)VALVE_CENTER)/((double)VALVE_MIN_POS - (double)VALVE_CENTER);
jobuuu 230:2c3e5ecbe7e1 869 // }
jobuuu 230:2c3e5ecbe7e1 870 // float f4 = -x_v/tau;
jobuuu 230:2c3e5ecbe7e1 871 // float g4 = K_valve/tau;
jobuuu 230:2c3e5ecbe7e1 872 //
jobuuu 230:2c3e5ecbe7e1 873 // float torq_ref_dot = torq.ref_diff * 500.0f;
jobuuu 230:2c3e5ecbe7e1 874 //
jobuuu 230:2c3e5ecbe7e1 875 // pos.err = (pos.ref - pos.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm]
jobuuu 230:2c3e5ecbe7e1 876 // vel.err = (0.0f - vel.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm/s]
jobuuu 230:2c3e5ecbe7e1 877 // pos.err_sum += pos.err/(float) TMR_FREQ_5k; //[mm]
jobuuu 230:2c3e5ecbe7e1 878 //
jobuuu 230:2c3e5ecbe7e1 879 // torq.err = torq.ref - torq.sen; //[N]
jobuuu 230:2c3e5ecbe7e1 880 // torq.err_sum += torq.err/(float) TMR_FREQ_5k; //[N]
jobuuu 230:2c3e5ecbe7e1 881 //
jobuuu 230:2c3e5ecbe7e1 882 // float k3 = 2000.0f; //2000 //20000
jobuuu 230:2c3e5ecbe7e1 883 // float k4 = 10.0f;
jobuuu 230:2c3e5ecbe7e1 884 // float rho3 = 3.2f;
jobuuu 230:2c3e5ecbe7e1 885 // float rho4 = 10000000.0f; //25000000.0f;
jobuuu 230:2c3e5ecbe7e1 886 // float x_4_des = (-f3_hat + torq_ref_dot - k3*(-torq.err))/(gamma_hat*g3_prime);
jobuuu 230:2c3e5ecbe7e1 887 // if (x_4_des > 1) x_4_des = 1;
jobuuu 230:2c3e5ecbe7e1 888 // else if (x_4_des < -1) x_4_des = -1;
jobuuu 230:2c3e5ecbe7e1 889 //
jobuuu 230:2c3e5ecbe7e1 890 // if (x_4_des > 0) {
jobuuu 230:2c3e5ecbe7e1 891 // valve_pos.ref = x_4_des * (float)(VALVE_MAX_POS - VALVE_CENTER) + (float) VALVE_CENTER;
jobuuu 230:2c3e5ecbe7e1 892 // } else {
jobuuu 230:2c3e5ecbe7e1 893 // valve_pos.ref = x_4_des * (float)(VALVE_CENTER - VALVE_MIN_POS) + (float) VALVE_CENTER;
jobuuu 230:2c3e5ecbe7e1 894 // }
jobuuu 230:2c3e5ecbe7e1 895 //
jobuuu 230:2c3e5ecbe7e1 896 // float x_4_des_dot = (x_4_des - x_4_des_old)*(float) TMR_FREQ_5k;
jobuuu 230:2c3e5ecbe7e1 897 // x_4_des_old = x_4_des;
jobuuu 230:2c3e5ecbe7e1 898 // V_out = (-f4 + x_4_des_dot - k4*(x_v-x_4_des)- rho3/rho4*gamma_hat*g3_prime*(-torq.err))/g4;
jobuuu 230:2c3e5ecbe7e1 899 //
jobuuu 230:2c3e5ecbe7e1 900 // float rho_a = 0.00001f;
jobuuu 230:2c3e5ecbe7e1 901 // float a_hat_dot = -rho3/rho_a*vel.sen/(float)(ENC_PULSE_PER_POSITION)*0.001f*(-torq.err);
jobuuu 230:2c3e5ecbe7e1 902 // a_hat = a_hat + a_hat_dot / (float) TMR_FREQ_5k;
jobuuu 230:2c3e5ecbe7e1 903 //
jobuuu 230:2c3e5ecbe7e1 904 // if(a_hat > -3000000.0f) a_hat = -3000000.0f;
jobuuu 230:2c3e5ecbe7e1 905 // else if(a_hat < -30000000.0f) a_hat = -30000000.0f;
jobuuu 230:2c3e5ecbe7e1 906 //
jobuuu 230:2c3e5ecbe7e1 907 // break;
jobuuu 230:2c3e5ecbe7e1 908 // }
Lightvalve 171:bfc1fd2629d8 909
Lightvalve 12:6f2531038ea4 910 default:
Lightvalve 12:6f2531038ea4 911 break;
Lightvalve 12:6f2531038ea4 912 }
Lightvalve 14:8e7590227d22 913
Lightvalve 57:f4819de54e7a 914
Lightvalve 57:f4819de54e7a 915 if (((OPERATING_MODE&0b110)>>1) == 0 || ((OPERATING_MODE&0b110)>>1) == 1) { //Moog Valve or KNR Valve
Lightvalve 58:2eade98630e2 916
Lightvalve 57:f4819de54e7a 917 ////////////////////////////////////////////////////////////////////////////
Lightvalve 57:f4819de54e7a 918 //////////////////////////// CURRENT CONTROL //////////////////////////////
Lightvalve 57:f4819de54e7a 919 ////////////////////////////////////////////////////////////////////////////
Lightvalve 57:f4819de54e7a 920 if (CURRENT_CONTROL_MODE) {
Lightvalve 67:c2812cf26c38 921 double alpha_update_Iref = 1.0f / (1.0f + 5000.0f / (2.0f * 3.14f * 300.0f)); // f_cutoff : 500Hz
Lightvalve 57:f4819de54e7a 922 I_REF_fil = (1.0f - alpha_update_Iref) * I_REF_fil + alpha_update_Iref*I_REF;
Lightvalve 57:f4819de54e7a 923
jobuuu 230:2c3e5ecbe7e1 924 if (I_REF_fil > 0.0f) I_REF_fil_DZ = I_REF_fil + (double)VALVE_DEADZONE_PLUS*mA_PER_pulse; // unit: mA
jobuuu 230:2c3e5ecbe7e1 925 else if (I_REF_fil < 0.0f) I_REF_fil_DZ = I_REF_fil + (double)VALVE_DEADZONE_MINUS*mA_PER_pulse; // unit: mA
jobuuu 230:2c3e5ecbe7e1 926 else I_REF_fil_DZ = I_REF_fil + (double)(VALVE_DEADZONE_PLUS+VALVE_DEADZONE_MINUS)/2.0f*mA_PER_pulse; // unit: mA
Lightvalve 235:c831718303c9 927
hyhoon 226:82a3ca333004 928 I_ERR = I_REF_fil_DZ - (double)cur.sen;
Lightvalve 67:c2812cf26c38 929 I_ERR_INT = I_ERR_INT + (I_ERR) * 0.0002f;
Lightvalve 57:f4819de54e7a 930
Lightvalve 57:f4819de54e7a 931
Lightvalve 57:f4819de54e7a 932 // Moog Valve Current Control Gain
Lightvalve 67:c2812cf26c38 933 double R_model = 500.0f; // ohm
Lightvalve 57:f4819de54e7a 934 double L_model = 1.2f;
Lightvalve 261:10f0e04fdb0b 935 double w0 = 2.0f * 3.14f * 50.0f;
Lightvalve 57:f4819de54e7a 936 double KP_I = 0.1f * L_model*w0;
Lightvalve 57:f4819de54e7a 937 double KI_I = 0.1f * R_model*w0;
Lightvalve 57:f4819de54e7a 938
Lightvalve 57:f4819de54e7a 939 // KNR Valve Current Control Gain
Lightvalve 57:f4819de54e7a 940 if (((OPERATING_MODE & 0b110)>>1) == 1) { // KNR Valve
Lightvalve 57:f4819de54e7a 941 R_model = 163.0f; // ohm
Lightvalve 57:f4819de54e7a 942 L_model = 1.0f;
Lightvalve 57:f4819de54e7a 943 w0 = 2.0f * 3.14f * 80.0f;
Lightvalve 57:f4819de54e7a 944 KP_I = 1.0f * L_model*w0;
Lightvalve 57:f4819de54e7a 945 KI_I = 0.08f * R_model*w0;
Lightvalve 57:f4819de54e7a 946 }
Lightvalve 57:f4819de54e7a 947
Lightvalve 57:f4819de54e7a 948 double FF_gain = 1.0f;
Lightvalve 57:f4819de54e7a 949
Lightvalve 67:c2812cf26c38 950 VALVE_PWM_RAW = KP_I * 2.0f * I_ERR + KI_I * 2.0f* I_ERR_INT;
hyhoon 226:82a3ca333004 951 I_REF_fil_diff = I_REF_fil_DZ - I_REF_fil_old;
hyhoon 226:82a3ca333004 952 I_REF_fil_old = I_REF_fil_DZ;
Lightvalve 67:c2812cf26c38 953 // VALVE_PWM_RAW = VALVE_PWM_RAW + FF_gain * (R_model * I_REF_fil + L_model * I_REF_fil_diff * 5000.0f); // Unit : mV
hyhoon 226:82a3ca333004 954 VALVE_PWM_RAW = VALVE_PWM_RAW + FF_gain * (R_model * I_REF_fil_DZ); // Unit : mV
Lightvalve 67:c2812cf26c38 955 double V_MAX = 12000.0f; // Maximum Voltage : 12V = 12000mV
Lightvalve 57:f4819de54e7a 956
Lightvalve 57:f4819de54e7a 957 double Ka = 3.0f / KP_I;
Lightvalve 57:f4819de54e7a 958 if (VALVE_PWM_RAW > V_MAX) {
Lightvalve 57:f4819de54e7a 959 V_rem = VALVE_PWM_RAW - V_MAX;
Lightvalve 57:f4819de54e7a 960 V_rem = Ka*V_rem;
Lightvalve 57:f4819de54e7a 961 VALVE_PWM_RAW = V_MAX;
Lightvalve 234:bd00f763acb1 962 // I_ERR_INT = I_ERR_INT - V_rem * 0.0002f;
Lightvalve 234:bd00f763acb1 963 I_ERR_INT = I_ERR_INT - V_rem;
Lightvalve 57:f4819de54e7a 964 } else if (VALVE_PWM_RAW < -V_MAX) {
Lightvalve 57:f4819de54e7a 965 V_rem = VALVE_PWM_RAW - (-V_MAX);
Lightvalve 57:f4819de54e7a 966 V_rem = Ka*V_rem;
Lightvalve 57:f4819de54e7a 967 VALVE_PWM_RAW = -V_MAX;
Lightvalve 234:bd00f763acb1 968 // I_ERR_INT = I_ERR_INT - V_rem * 0.0002f;
Lightvalve 234:bd00f763acb1 969 I_ERR_INT = I_ERR_INT - V_rem;
Lightvalve 57:f4819de54e7a 970 }
Lightvalve 57:f4819de54e7a 971 } else {
Lightvalve 57:f4819de54e7a 972 VALVE_PWM_RAW = I_REF * mV_PER_mA;
Lightvalve 57:f4819de54e7a 973 }
Lightvalve 57:f4819de54e7a 974
Lightvalve 57:f4819de54e7a 975 ////////////////////////////////////////////////////////////////////////////
Lightvalve 57:f4819de54e7a 976 ///////////////// Dead Zone Cancellation & Linearization //////////////////
Lightvalve 57:f4819de54e7a 977 ////////////////////////////////////////////////////////////////////////////
Lightvalve 57:f4819de54e7a 978
Lightvalve 57:f4819de54e7a 979 // Output Voltage Linearization
hyhoon 226:82a3ca333004 980 double CUR_PWM_nonlin = (double)VALVE_PWM_RAW; // Unit : mV
Lightvalve 67:c2812cf26c38 981 double CUR_PWM_lin = PWM_duty_byLT(CUR_PWM_nonlin); // -8000~8000
Lightvalve 57:f4819de54e7a 982
Lightvalve 57:f4819de54e7a 983 // Dead Zone Cancellation (Electrical dead-zone)
Lightvalve 67:c2812cf26c38 984 if (CUR_PWM_lin > 0) V_out = (float) (CUR_PWM_lin + 169.0f);
Lightvalve 67:c2812cf26c38 985 else if (CUR_PWM_lin < 0) V_out = (float) (CUR_PWM_lin - 174.0f);
Lightvalve 67:c2812cf26c38 986 else V_out = (float) (CUR_PWM_lin);
Lightvalve 235:c831718303c9 987
Lightvalve 169:645207e160ca 988 } else { //////////////////////////sw valve
Lightvalve 224:985dba42f261 989 // Output Voltage Linearization & Dead Zone Cancellation (Electrical dead-zone) by SW
Lightvalve 135:79885a39c161 990 if (V_out > 0 ) V_out = (V_out + 180.0f)/0.8588f;
Lightvalve 135:79885a39c161 991 else if (V_out < 0) V_out = (V_out - 200.0f)/0.8651f;
Lightvalve 135:79885a39c161 992 else V_out = 0.0f;
Lightvalve 89:a7b45368ea0f 993 }
Lightvalve 169:645207e160ca 994
jobuuu 230:2c3e5ecbe7e1 995 ////////////////////////////////////////////////////////////////////
jobuuu 230:2c3e5ecbe7e1 996 /////////////////// PWM Command ///////////////////////////////////
jobuuu 230:2c3e5ecbe7e1 997 ////////////////////////////////////////////////////////////////////
Lightvalve 169:645207e160ca 998 if(DIR_VALVE<0) {
Lightvalve 67:c2812cf26c38 999 V_out = -V_out;
Lightvalve 67:c2812cf26c38 1000 }
Lightvalve 169:645207e160ca 1001
Lightvalve 49:e7bcfc244d40 1002 if (V_out >= VALVE_VOLTAGE_LIMIT*1000.0f) {
Lightvalve 49:e7bcfc244d40 1003 V_out = VALVE_VOLTAGE_LIMIT*1000.0f;
Lightvalve 49:e7bcfc244d40 1004 } else if(V_out<=-VALVE_VOLTAGE_LIMIT*1000.0f) {
Lightvalve 49:e7bcfc244d40 1005 V_out = -VALVE_VOLTAGE_LIMIT*1000.0f;
Lightvalve 27:a2254a485f23 1006 }
Lightvalve 224:985dba42f261 1007 PWM_out= V_out/(SUPPLY_VOLTAGE*1000.0f);
Lightvalve 13:747daba9cf59 1008
Lightvalve 224:985dba42f261 1009 // Saturation of output voltage
Lightvalve 30:8d561f16383b 1010 if(PWM_out > 1.0f) PWM_out=1.0f;
Lightvalve 30:8d561f16383b 1011 else if (PWM_out < -1.0f) PWM_out=-1.0f;
Lightvalve 13:747daba9cf59 1012
Lightvalve 30:8d561f16383b 1013 if (PWM_out>0.0f) {
Lightvalve 30:8d561f16383b 1014 dtc_v=0.0f;
jobuuu 1:e04e563be5ce 1015 dtc_w=PWM_out;
jobuuu 1:e04e563be5ce 1016 } else {
jobuuu 2:a1c0a37df760 1017 dtc_v=-PWM_out;
Lightvalve 30:8d561f16383b 1018 dtc_w=0.0f;
jobuuu 1:e04e563be5ce 1019 }
Lightvalve 13:747daba9cf59 1020
jobuuu 1:e04e563be5ce 1021 //pwm
Lightvalve 30:8d561f16383b 1022 TIM4->CCR2 = (PWM_ARR)*(1.0f-dtc_v);
Lightvalve 30:8d561f16383b 1023 TIM4->CCR1 = (PWM_ARR)*(1.0f-dtc_w);
Lightvalve 67:c2812cf26c38 1024
jobuuu 230:2c3e5ecbe7e1 1025 ////////////////////////////////////////////////////////////////////////////
jobuuu 230:2c3e5ecbe7e1 1026 ////////////////////// Data transmission through CAN //////////////////////
Lightvalve 235:c831718303c9 1027 ////////////////////////////////////////////////////////////////////////////
Lightvalve 235:c831718303c9 1028
Lightvalve 261:10f0e04fdb0b 1029 // if (TMR2_COUNT_CAN_TX % (int) ((int) TMR_FREQ_5k/CAN_FREQ) == 0) {
Lightvalve 261:10f0e04fdb0b 1030 if (TMR2_COUNT_CAN_TX % 12 == 0) {
Lightvalve 235:c831718303c9 1031
hyhoon 226:82a3ca333004 1032 // Position, Velocity, and Torque (ID:1200)
hyhoon 226:82a3ca333004 1033 if (flag_data_request[0] == HIGH) {
hyhoon 226:82a3ca333004 1034 if ((OPERATING_MODE & 0b01) == 0) { // Rotary Actuator
Lightvalve 232:2976cf1b4252 1035 CAN_TX_POSITION_FT((int16_t) (pos.sen*200.0f), (int16_t) (vel.sen*20.0f), (int16_t) (torq.sen*TORQUE_SENSOR_PULSE_PER_TORQUE*10.0f));
Lightvalve 235:c831718303c9 1036 // CAN_TX_POSITION_FT((int16_t) (PRES_B_VREF*10.0f*200.0f), (int16_t) (vel.sen*20.0f), (int16_t) (pres_B.sen*TORQUE_SENSOR_PULSE_PER_TORQUE*10.0f));
Lightvalve 235:c831718303c9 1037
hyhoon 226:82a3ca333004 1038 } else if ((OPERATING_MODE & 0b01) == 1) { // Linear Actuator
Lightvalve 232:2976cf1b4252 1039 CAN_TX_POSITION_FT((int16_t) (pos.sen*200.0f), (int16_t) (vel.sen*20.0f), (int16_t) (force.sen*TORQUE_SENSOR_PULSE_PER_TORQUE*10.0f));
Lightvalve 232:2976cf1b4252 1040 // CAN_TX_POSITION_FT((int16_t) (PRES_B_VREF*10.0f*200.0f), (int16_t) (vel.sen*20.0f), (int16_t) (pres_B.sen*TORQUE_SENSOR_PULSE_PER_TORQUE*10.0f));
Lightvalve 235:c831718303c9 1041 // CAN_TX_POSITION_FT((int16_t) (logging*200.0f), (int16_t) (vel.sen*20.0f), (int16_t) (force.sen*TORQUE_SENSOR_PULSE_PER_TORQUE*10.0f));
hyhoon 226:82a3ca333004 1042 }
hyhoon 226:82a3ca333004 1043 }
hyhoon 226:82a3ca333004 1044
jobuuu 230:2c3e5ecbe7e1 1045 // Valve Position (ID:1300)
Lightvalve 56:6f50d9d3bfee 1046 if (flag_data_request[1] == HIGH) {
Lightvalve 235:c831718303c9 1047 CAN_TX_PWM((int16_t)(cur.sen/mA_PER_pulse));
Lightvalve 54:647072f5307a 1048 }
Lightvalve 58:2eade98630e2 1049
jobuuu 230:2c3e5ecbe7e1 1050 // Others : Pressure A, B, Supply Pressure, etc. (for Debugging) (ID:1400)
Lightvalve 171:bfc1fd2629d8 1051 if (flag_data_request[2] == HIGH) {
Lightvalve 261:10f0e04fdb0b 1052 CAN_TX_SOMETHING((int16_t)(pres_A.sen*100.0f), (int16_t)(pres_B.sen*100.0f), (int16_t) (temp_LOG[0]), (int16_t) (temp_LOG[1]));
Lightvalve 261:10f0e04fdb0b 1053 // CAN_TX_SOMETHING((int16_t)(temp_LOG[0]), (int16_t)(temp_LOG[1]), (int16_t) (temp_LOG[0]), (int16_t) (temp_LOG[1]));
Lightvalve 54:647072f5307a 1054 }
Lightvalve 20:806196fda269 1055
Lightvalve 54:647072f5307a 1056 TMR2_COUNT_CAN_TX = 0;
Lightvalve 54:647072f5307a 1057 }
Lightvalve 54:647072f5307a 1058 TMR2_COUNT_CAN_TX++;
Lightvalve 52:8ea76864368a 1059
Lightvalve 20:806196fda269 1060 }
Lightvalve 52:8ea76864368a 1061 TIM3->SR = 0x0; // reset the status register
Lightvalve 52:8ea76864368a 1062
Lightvalve 58:2eade98630e2 1063 }