File content as of revision 76:23fbf0a53e43:

//200609-2
#include "mbed.h"
#include "FastPWM.h"
#include "INIT_HW.h"
#include "function_CAN.h"
#include "SPI_EEP_ENC.h"
#include "I2C_AS5510.h"
#include "setting.h"
#include "function_utilities.h"
#include "stm32f4xx_flash.h"
#include "FlashWriter.h"      

using namespace std;
Timer t;

///191008////

// dac & check ///////////////////////////////////////////
DigitalOut check(PC_2);
DigitalOut check_2(PC_3);
AnalogOut dac_1(PA_4);
AnalogOut dac_2(PA_5);
AnalogIn adc1(PC_4); //pressure_1
AnalogIn adc2(PB_0); //pressure_2
AnalogIn adc3(PC_1); //current


// PWM ///////////////////////////////////////////
float dtc_v=0.0f;
float dtc_w=0.0f;

// I2C ///////////////////////////////////////////
I2C i2c(PC_9,PA_8); // SDA, SCL (for K22F)
const int i2c_slave_addr1 =  0x56;
unsigned int value; // 10bit output of reading sensor AS5510

// SPI ///////////////////////////////////////////
//SPI eeprom(PB_15, PB_14, PB_13); // EEPROM //(SPI_MOSI, SPI_MISO, SPI_SCK);
//DigitalOut eeprom_cs(PB_12);
//FlashWriter writer(6);//2부터 7까지 되는듯 아마 sector
SPI enc(PC_12,PC_11,PC_10);
DigitalOut enc_cs(PD_2);
DigitalOut LED(PA_15);

// UART ///////////////////////////////////////////
Serial pc(PA_9,PA_10); //  _ UART

// CAN ///////////////////////////////////////////
CAN can(PB_8, PB_9, 1000000);
CANMessage msg;
void onMsgReceived()
{
    CAN_RX_HANDLER();
}

// Variables ///////////////////////////////////////////
State pos;
State vel;
State Vout;
State torq;
State pres_A;
State pres_B;
State cur;
State valve_pos;

State INIT_Vout;
State INIT_Valve_Pos;
State INIT_Pos;
State INIT_torq;

extern int CID_RX_CMD;
extern int CID_RX_REF_POSITION;
extern int CID_RX_REF_VALVE_POS;
extern int CID_RX_REF_PWM;

extern int CID_TX_INFO;
extern int CID_TX_POSITION;
extern int CID_TX_TORQUE;
extern int CID_TX_PRES;
extern int CID_TX_VOUT;
extern int CID_TX_VALVE_POSITION;




// =============================================================================
// =============================================================================
// =============================================================================

/*******************************************************************************
 *  REFERENCE MODE
 ******************************************************************************/
enum _REFERENCE_MODE {
    MODE_REF_NO_ACT = 0,                                //0
    MODE_REF_DIRECT,                                //1
    MODE_REF_COS_INC,                                  //2
    MODE_REF_LINE_INC,                                 //3
    MODE_REF_SIN_WAVE,                                  //4
    MODE_REF_SQUARE_WAVE,                                  //5
};

/*******************************************************************************
 *  CONTROL MODE
 ******************************************************************************/
enum _CONTROL_MODE {
    //control mode
    MODE_NO_ACT = 0,                                    //0
    MODE_VALVE_POSITION_CONTROL,                        //1
    MODE_JOINT_CONTROL,                                 //2

    MODE_VALVE_OPEN_LOOP,                               //3
    MODE_JOINT_POSITION_TORQUE_CONTROL_VALVE_POSITION,  //4
    MODE_VALVE_POSITION_TORQUE_CONTROL_LEARNING,        //5

    MODE_JOINT_POSITION_PRES_CONTROL_PWM,               //6
    MODE_JOINT_POSITION_PRES_CONTROL_VALVE_POSITION,    //7
    MODE_VALVE_POSITION_PRES_CONTROL_LEARNING,          //8

    MODE_TEST_CURRENT_CONTROL,                          //9
    MODE_TEST_PWM_CONTROL,                              //10

    MODE_CURRENT_CONTROL,                               //11
    MODE_JOINT_POSITION_TORQUE_CONTROL_CURRENT,         //12
    MODE_JOINT_POSITION_PRES_CONTROL_CURRENT,           //13

    //utility
    MODE_TORQUE_SENSOR_NULLING = 20,                    //20
    MODE_VALVE_NULLING_AND_DEADZONE_SETTING,            //21
    MODE_FIND_HOME,                                     //22
    MODE_VALVE_GAIN_SETTING,                            //23
    MODE_PRESSURE_SENSOR_NULLING,                       //24
    MODE_PRESSURE_SENSOR_CALIB,                         //25
    MODE_ROTARY_FRICTION_TUNING,                        //26

    MODE_DDV_POS_VS_PWM_ID = 30,                           //30
    MODE_DDV_DEADZONE_AND_CENTER,                       //31
    MODE_DDV_POS_VS_FLOWRATE,                           //32
    MODE_SYSTEM_ID,                                     //33
};

void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Configure the main internal regulator output voltage 
  */
  __HAL_RCC_PWR_CLK_ENABLE();
  __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
  /** Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
  RCC_OscInitStruct.HSIState = RCC_HSI_ON;
  RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
  RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
  RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
  RCC_OscInitStruct.PLL.PLLM = 8;//8
  RCC_OscInitStruct.PLL.PLLN = 180; //180
  RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
  RCC_OscInitStruct.PLL.PLLQ = 2;
  RCC_OscInitStruct.PLL.PLLR = 2;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    //Error_Handler();
  }
  /** Activate the Over-Drive mode 
  */
  if (HAL_PWREx_EnableOverDrive() != HAL_OK)
  {
    //Error_Handler();
  }
  /** Initializes the CPU, AHB and APB busses clocks 
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
  RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
  {
    //Error_Handler();
  }
}


float x_past[num_array_x_past] = {0.0f};
float f_past[num_array_f_past] = {0.0f};
float f_future[num_array_f_future] = {0.0f};

float input_NN[num_input] = { 0.0f };

const float h1[num_input][32] = { 
   {-1.2100387811660767f,0.34606677293777466f,0.11174947023391724f,-0.553109884262085f,-1.404360294342041f,0.311672568321228f,-0.5161485075950623f,4.0936279296875f,0.762124240398407f,-0.05323193967342377f,-0.15080596506595612f,-0.20315608382225037f,-0.20386390388011932f,0.03605791926383972f,-0.2227066308259964f,-0.2867960035800934f,0.3020983636379242f,0.26314130425453186f,0.5785280466079712f,0.518497884273529f,-0.35327082872390747f,0.11287471652030945f,-0.35108765959739685f,-0.08360615372657776f,0.6457040309906006f,0.19390198588371277f,-0.18648496270179749f,-0.9003916382789612f,-0.25309231877326965f,-0.19833232462406158f,-1.9361997842788696f,0.5753598809242249f},
{-1.033663272857666f,0.2177206426858902f,0.31515684723854065f,-0.6191033124923706f,-0.917278528213501f,0.21304307878017426f,0.043872151523828506f,2.2376420497894287f,0.32246828079223633f,0.16465257108211517f,-0.27646100521087646f,-0.4096316695213318f,0.022385627031326294f,0.010783624835312366f,0.0484127402305603f,-0.33231502771377563f,0.01460169069468975f,0.06643325090408325f,0.8377634882926941f,0.47875043749809265f,-0.03268212080001831f,-0.12745296955108643f,-0.10032522678375244f,0.29246577620506287f,0.374354749917984f,0.3099159896373749f,0.1338752806186676f,-0.2664092481136322f,-0.48753035068511963f,0.10351350903511047f,-1.7162991762161255f,0.4370415508747101f},
{-0.35244548320770264f,0.24041280150413513f,-0.0044558048248291016f,-0.202571302652359f,-0.4843223989009857f,0.044025909155607224f,0.03177500516176224f,0.5550498962402344f,0.5061587691307068f,0.11656256020069122f,0.2951308786869049f,0.20214451849460602f,-0.034644484519958496f,0.07855106890201569f,-0.33472365140914917f,0.577522337436676f,0.476615846157074f,-0.28053343296051025f,0.6266060471534729f,0.4008025527000427f,0.23385211825370789f,-0.16158531606197357f,0.14301708340644836f,-0.2602297365665436f,0.3388311564922333f,0.15341529250144958f,-0.1637192666530609f,-0.18453186750411987f,-0.4785029888153076f,0.31950315833091736f,-0.5731536746025085f,-0.15570303797721863f},
{-0.1215302050113678f,-0.04046787694096565f,-0.2166784107685089f,-1.1208202838897705f,-0.27376675605773926f,0.0904368981719017f,0.10980876535177231f,-2.166858196258545f,0.8627162575721741f,0.07862017303705215f,0.09632167220115662f,1.1155221462249756f,-0.12461960315704346f,0.2747126519680023f,-0.13525955379009247f,0.8881019949913025f,0.018749631941318512f,-0.25070422887802124f,0.12279760837554932f,0.13434946537017822f,-0.26321321725845337f,-0.09280073642730713f,-0.15524277091026306f,-0.30760157108306885f,0.3417516350746155f,0.1494223177433014f,0.1411983072757721f,-0.33114302158355713f,0.241953507065773f,0.13963142037391663f,1.1238166093826294f,-0.14357975125312805f},
{0.5173913836479187f,-0.000611799128819257f,0.0887511670589447f,-0.7443668246269226f,0.3900045156478882f,-0.15274201333522797f,0.1874333769083023f,-4.982025146484375f,-0.2101186066865921f,0.31869015097618103f,-0.31725627183914185f,1.1474480628967285f,0.2231200635433197f,0.20313754677772522f,-0.2646164298057556f,0.16101475059986115f,-0.3577887713909149f,-0.19455955922603607f,0.06877143681049347f,-0.38553449511528015f,0.14516910910606384f,0.24891802668571472f,-0.2589884400367737f,-0.07870301604270935f,0.12297576665878296f,-0.3615073263645172f,0.04281669855117798f,-0.3112664222717285f,0.4711536765098572f,-0.17222367227077484f,1.9488497972488403f,-0.5863334536552429f},
{2.3125061988830566f,-1.351560115814209f,0.3220093548297882f,2.1889684200286865f,1.7918925285339355f,-0.34981435537338257f,0.34401389956474304f,-4.263758182525635f,-2.378455638885498f,0.038718514144420624f,0.20948193967342377f,-2.0505428314208984f,-0.033180445432662964f,0.07604528963565826f,0.2311277687549591f,-1.1439354419708252f,-1.1228508949279785f,-0.3372360169887543f,-2.374986410140991f,-1.2688080072402954f,0.14268693327903748f,-0.010211020708084106f,0.13283005356788635f,0.3492297828197479f,-2.0001778602600098f,0.2196546494960785f,-0.3087477684020996f,1.266158103942871f,0.4775462746620178f,-0.0013858675956726074f,0.9479844570159912f,-0.7713418006896973f},
{-0.008871571160852909f,-0.3862445056438446f,0.17188844084739685f,0.0046244836412370205f,0.41840437054634094f,-0.4639427065849304f,-0.2869870662689209f,0.3813447058200836f,-0.05504802614450455f,-0.16423851251602173f,-0.14377237856388092f,-0.1957012116909027f,0.10405707359313965f,-0.05349160358309746f,-0.19284740090370178f,-0.2478165328502655f,-0.5840848088264465f,-0.08617988228797913f,0.21139414608478546f,-0.22334784269332886f,-0.17120671272277832f,-0.18692201375961304f,-0.27713942527770996f,-0.25876912474632263f,-0.33919572830200195f,-0.1639401763677597f,-0.11886438727378845f,-0.27989545464515686f,-0.1742611676454544f,-0.03679269552230835f,0.30190256237983704f,-0.35681405663490295f},
{0.38381603360176086f,-1.093223214149475f,0.17564991116523743f,0.22789567708969116f,0.8439417481422424f,-0.16541945934295654f,0.02287512645125389f,-0.30149880051612854f,0.4702213704586029f,0.06828130781650543f,-0.3239133656024933f,-1.4391568899154663f,0.11404365301132202f,-0.09391360729932785f,0.05785831809043884f,-2.5067193508148193f,-0.040061093866825104f,-0.3020205795764923f,-0.622140109539032f,-0.14446671307086945f,-0.07841125130653381f,0.023927748203277588f,-0.13482488691806793f,-0.030016034841537476f,-0.6398022174835205f,0.01873531937599182f,-0.3603379428386688f,-0.16085706651210785f,-0.5940298438072205f,0.004555642604827881f,-1.388696312904358f,0.2199987918138504f},
{0.2334652692079544f,-1.17470121383667f,0.14468064904212952f,0.22595424950122833f,0.633766770362854f,-0.09215694665908813f,-0.03362810239195824f,0.26470518112182617f,-0.05601859092712402f,0.06498680263757706f,-0.4066760540008545f,-0.6881139874458313f,0.1213512122631073f,0.2485910952091217f,0.2548488676548004f,-0.40139898657798767f,0.0031296361703425646f,0.0635470449924469f,-0.181041419506073f,-0.25620272755622864f,-0.31974175572395325f,-0.023564070463180542f,-0.3126928508281708f,0.08913204073905945f,-1.3026307821273804f,-0.08672919869422913f,-0.0939876139163971f,0.11327767372131348f,-0.4336082637310028f,-0.1258344054222107f,-1.1311529874801636f,-0.01926742121577263f},
{-0.731503427028656f,-0.3762388527393341f,-0.257980614900589f,0.42637044191360474f,-0.11629576236009598f,-0.26202142238616943f,0.22739869356155396f,0.2505355775356293f,-0.572329044342041f,0.013089598156511784f,-0.4308646619319916f,-0.21914930641651154f,0.0886462926864624f,0.09081459045410156f,-0.28265631198883057f,-0.5806692242622375f,0.16891315579414368f,0.3503457009792328f,0.11848695576190948f,-0.23924285173416138f,-0.21211731433868408f,0.17289242148399353f,-0.12325988709926605f,-0.3394215703010559f,-0.4495100975036621f,0.05944719910621643f,0.1433921754360199f,-0.07542834430932999f,-0.24409586191177368f,0.3204980194568634f,-1.3333405256271362f,0.5346881151199341f},
{-0.5793891549110413f,-0.26047003269195557f,-0.07026931643486023f,0.41779711842536926f,-0.7921187877655029f,-0.5836657881736755f,0.1127382144331932f,0.015290603041648865f,-0.3605467975139618f,-0.27957674860954285f,-0.4066380262374878f,-0.21678104996681213f,-0.1888507455587387f,0.2526814043521881f,0.018085569143295288f,0.1768098771572113f,-0.5916563272476196f,-0.2574009597301483f,0.34040313959121704f,-0.29869163036346436f,0.1791209876537323f,-0.267413854598999f,0.2530073821544647f,0.011960417032241821f,-0.07905225455760956f,0.10836628079414368f,0.0850057601928711f,-0.6768010258674622f,0.15339882671833038f,0.03124985098838806f,-0.4738786518573761f,0.39430418610572815f},
{-0.0970718115568161f,0.8512548208236694f,-0.32509708404541016f,0.30993399024009705f,-1.5201115608215332f,-0.5139714479446411f,-0.2474825233221054f,0.5422741770744324f,-0.2818445861339569f,0.30390557646751404f,0.2408263236284256f,-0.11154910922050476f,-0.039651691913604736f,-0.19591335952281952f,-0.3158351480960846f,5.100091457366943f,-0.25168275833129883f,-0.1921754628419876f,-0.17003649473190308f,-0.3508789837360382f,0.30605974793434143f,0.24016639590263367f,-0.2466658353805542f,0.34621962904930115f,-0.719679057598114f,0.22247567772865295f,0.35698744654655457f,-0.15539135038852692f,0.028008390218019485f,0.1561911404132843f,1.6490135192871094f,0.1251164823770523f},
};

const float h2[32][32] = { 
    {-0.13349971175193787f,-0.10295046865940094f,-0.04925942420959473f,1.4368913173675537f,-0.15490937232971191f,-0.017432821914553642f,-0.014897048473358154f,0.015898341313004494f,-0.30411389470100403f,-0.10008957982063293f,-0.3595205247402191f,-1.5615935325622559f,-0.06476083397865295f,-0.10296027362346649f,-1.6042379140853882f,-0.5024122595787048f,0.07803884148597717f,-0.21483641862869263f,-1.5444471836090088f,-0.0011274877469986677f,1.7447041273117065f,-0.6170581579208374f,-0.39536648988723755f,-0.032076094299554825f,-4.269240379333496f,-3.8038341999053955f,-0.1841534674167633f,-0.6469772458076477f,0.23828622698783875f,0.11771553754806519f,-0.24613501131534576f,-0.20977963507175446f},
{-0.16083313524723053f,0.002147972583770752f,-0.04321768879890442f,0.11972101777791977f,0.039372533559799194f,-0.27319520711898804f,-0.2361316978931427f,-0.05986310541629791f,0.24677053093910217f,0.048597872257232666f,0.3206145167350769f,-0.38908660411834717f,0.09730742871761322f,-0.8080634474754333f,-0.12189697474241257f,-0.24073880910873413f,0.056778669357299805f,-0.2737269401550293f,0.04566960781812668f,0.2087257206439972f,-0.5134506225585938f,-0.244228333234787f,-0.31829550862312317f,0.2642870247364044f,0.17182950675487518f,-1.8610378503799438f,0.17191679775714874f,0.02962028980255127f,-0.28620439767837524f,-0.0511949360370636f,0.19307708740234375f,0.05005624517798424f},
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{0.3014208972454071f,-0.11652402579784393f,0.24921879172325134f,0.1080106794834137f,-0.2817712128162384f,-0.3677169382572174f,-0.40242764353752136f,-0.11968852579593658f,0.23963233828544617f,0.21321198344230652f,-1.5710978507995605f,-0.9490095376968384f,-0.32189810276031494f,-0.2394922971725464f,-0.28989526629447937f,-0.2150767743587494f,-0.19791248440742493f,0.2487291395664215f,-0.4563412070274353f,-0.29798153042793274f,0.3261857330799103f,-0.22509442269802094f,-0.2561480700969696f,0.21740256249904633f,-1.2190345525741577f,-1.7477132081985474f,0.12576408684253693f,-0.4211433529853821f,-0.03476092219352722f,0.2736774981021881f,0.004408210515975952f,-0.06103146821260452f},
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{-0.1763739138841629f,-0.17203155159950256f,0.0620841383934021f,0.6335166692733765f,-0.07396678626537323f,-0.5401109457015991f,-0.2824901342391968f,0.05980841442942619f,-0.21029016375541687f,0.2210421860218048f,-0.6230709552764893f,-0.3109108805656433f,-0.2619333267211914f,-1.245597004890442f,-0.8177680969238281f,-0.21576738357543945f,0.10771593451499939f,-0.29308468103408813f,-0.36738067865371704f,-0.18549597263336182f,-0.08560259640216827f,-0.5722943544387817f,-0.37300819158554077f,0.9081916213035583f,-0.6992700695991516f,-3.651113510131836f,-0.5768007636070251f,-0.14879563450813293f,0.17976179718971252f,-0.22928372025489807f,0.28763797879219055f,0.1043461486697197f},
{-0.09888127446174622f,-0.22750279307365417f,-0.22503364086151123f,-0.5209433436393738f,-0.012498408555984497f,-0.373349666595459f,0.32915157079696655f,0.08175003528594971f,-0.016126900911331177f,0.06972584128379822f,1.2274643182754517f,-0.2839975953102112f,-0.16844184696674347f,0.5705087184906006f,0.6234094500541687f,-0.19877447187900543f,-0.09216172993183136f,0.04617339372634888f,-0.37225574254989624f,-0.13050803542137146f,0.1596277505159378f,-0.4474319815635681f,-0.06047184765338898f,-0.20796972513198853f,1.8920878171920776f,-0.6147816777229309f,0.6823596954345703f,-0.5794912576675415f,-0.16326025128364563f,0.11664235591888428f,-0.02675291895866394f,0.11738093197345734f},
};

const float h3[32][32] = { 
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{0.05588451027870178f,0.19731858372688293f,-0.055143773555755615f,0.030042022466659546f,-0.13887283205986023f,-0.1361943781375885f,-0.2855546772480011f,0.011247634887695312f,0.1085631251335144f,0.021339505910873413f,0.17599248886108398f,0.09762296080589294f,-0.05771490931510925f,-0.14660483598709106f,-0.21469902992248535f,0.03876742720603943f,-0.21865856647491455f,-0.12651903927326202f,0.22753819823265076f,-0.23926785588264465f,-0.14443452656269073f,0.06739777326583862f,0.14157342910766602f,0.049514561891555786f,-0.1251431256532669f,-0.25851932168006897f,0.0932874083518982f,0.2900666892528534f,-0.023782014846801758f,0.050485759973526f,0.09447437524795532f,0.0058679282665252686f},
{-0.2800689935684204f,-0.038760632276535034f,0.13974270224571228f,0.01585569977760315f,0.11945047974586487f,-0.19458696246147156f,0.11322265863418579f,0.25643888115882874f,-0.061097174882888794f,-0.07816044986248016f,-0.07445238530635834f,-0.22145158052444458f,-0.1081896424293518f,-0.09452249109745026f,0.16234496235847473f,0.1413259506225586f,-0.2648085951805115f,-0.054869145154953f,-0.05491623282432556f,0.17325228452682495f,0.23639705777168274f,0.0748760998249054f,-0.1324603259563446f,0.15828460454940796f,-0.22871175408363342f,-0.027338534593582153f,-0.06307074427604675f,0.13438841700553894f,0.13834497332572937f,0.1633671224117279f,0.259930282831192f,-0.21565306186676025f},
{0.2906629145145416f,0.15515753626823425f,-0.5198680758476257f,-0.8434931635856628f,1.0115704536437988f,-0.2856971025466919f,-0.09609431773424149f,-0.17915479838848114f,-3.4061813354492188f,-0.28941863775253296f,-7.896184921264648f,0.10124998539686203f,-0.2091096043586731f,0.5145810842514038f,0.22106656432151794f,-0.23978039622306824f,-0.28915077447891235f,0.030949801206588745f,-2.0324721336364746f,-0.4994291067123413f,-0.9316347241401672f,0.4180334806442261f,-0.5755577683448792f,-1.9873623847961426f,-0.5839290022850037f,-0.11024686694145203f,-0.7377714514732361f,0.5426304340362549f,-0.4944232404232025f,-0.25852420926094055f,-0.047728877514600754f,0.15928561985492706f},
{0.07563930749893188f,-0.0864691436290741f,-0.2677825689315796f,0.1497999131679535f,-0.2632053792476654f,-0.12118913233280182f,-0.09772239625453949f,0.2470131814479828f,-0.2551872134208679f,-0.2740214169025421f,0.2979947626590729f,-0.24627932906150818f,-0.23258495330810547f,-0.1546318233013153f,0.06802645325660706f,-0.048776447772979736f,0.20131775736808777f,0.013118326663970947f,0.0808630883693695f,0.2585393488407135f,-0.03326711058616638f,0.21529874205589294f,0.1718432903289795f,0.20571765303611755f,-0.19813477993011475f,0.12758469581604004f,0.2959180772304535f,-0.20305807888507843f,0.17249789834022522f,-0.09959287941455841f,-0.07189898192882538f,0.007399916648864746f},
{0.10931676626205444f,0.2396949827671051f,0.2113935649394989f,-0.01787710189819336f,-0.49693813920021057f,0.2947680354118347f,-0.061815500259399414f,0.04091137647628784f,-0.0840325728058815f,-0.15699732303619385f,0.04756221920251846f,-0.21529507637023926f,-0.003787398338317871f,0.051077280193567276f,0.2971965968608856f,0.25175121426582336f,-0.2889891266822815f,-0.13035915791988373f,0.01596907153725624f,0.06524023413658142f,0.34900736808776855f,-0.133573979139328f,0.023232191801071167f,0.3769979178905487f,-0.16450266540050507f,-0.18302330374717712f,0.09057381749153137f,-0.3461931347846985f,-0.27729424834251404f,-0.29547566175460815f,-0.25800079107284546f,0.3021630644798279f},
{-0.21155381202697754f,0.2344256043434143f,-0.28223806619644165f,-0.13688725233078003f,0.041881415992975235f,0.2444854974746704f,-0.07957221567630768f,0.2444917857646942f,-0.23619289696216583f,-0.5882351994514465f,-0.3546968102455139f,-0.4028385877609253f,-0.1525927484035492f,-0.1448988914489746f,0.25543639063835144f,-0.1192857176065445f,-0.18917083740234375f,0.011466026306152344f,-0.6395967602729797f,-0.05945315584540367f,-0.002309853211045265f,-0.10530328750610352f,-0.3763068616390228f,-0.14260639250278473f,-0.19867394864559174f,-0.2910519242286682f,-0.3089522421360016f,-0.6346867084503174f,0.12981508672237396f,-0.09532724320888519f,0.19851987063884735f,1.198167324066162f},
{-0.01093912124633789f,-0.23583689332008362f,0.28153905272483826f,0.2877257764339447f,0.061371348798274994f,-0.2541496157646179f,0.036741942167282104f,-0.0059101879596710205f,-0.24633634090423584f,-0.27182313799858093f,0.09319102764129639f,-0.08139897882938385f,0.19774547219276428f,-0.0006077735451981425f,0.0685860812664032f,-0.29903873801231384f,0.1317853033542633f,0.20550194382667542f,-0.12251400947570801f,-0.28424710035324097f,0.24172750115394592f,0.1323409378528595f,0.0343703031539917f,0.12564969062805176f,0.04261728748679161f,0.23886635899543762f,-0.2778390347957611f,0.13853725790977478f,0.28547611832618713f,0.17161712050437927f,-0.017215043306350708f,-0.05991865694522858f},
{-0.20420776307582855f,0.1970202624797821f,0.23591408133506775f,-0.282694011926651f,0.09019026160240173f,0.20012763142585754f,0.028453975915908813f,0.23323127627372742f,0.15246456861495972f,-0.1270071268081665f,0.20025727152824402f,0.13077861070632935f,-0.2238168716430664f,-0.20709244906902313f,-0.0045506954193115234f,-0.16448761522769928f,0.28163614869117737f,0.1971360743045807f,0.30405697226524353f,-0.28959211707115173f,-0.2255709171295166f,0.15360668301582336f,0.24163606762886047f,0.19554737210273743f,-0.1804599016904831f,0.07604315876960754f,-0.1459394246339798f,-0.14081311225891113f,-0.29656586050987244f,0.19529584050178528f,-0.05168652534484863f,-0.03415781259536743f},
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{0.07638216018676758f,0.0461542084813118f,-0.30373215675354004f,-0.2751947045326233f,0.1342439204454422f,0.010811812244355679f,0.2795381247997284f,-0.25668495893478394f,-0.07671011239290237f,0.1293344497680664f,-0.026776641607284546f,0.02524423599243164f,0.11458683013916016f,0.2528192698955536f,-0.029521822929382324f,-0.19500072300434113f,0.06506577134132385f,-0.011876672506332397f,0.1262863278388977f,0.24031762778759003f,0.13956980407238007f,-0.0045157247222959995f,-0.06999926269054413f,-0.17324526607990265f,0.21330927312374115f,0.1901901364326477f,-0.26723432540893555f,-0.058298248797655106f,-0.1185147762298584f,0.22636333107948303f,-0.2677184045314789f,0.21909776329994202f},
};

const float hout[32] = { 0.3285340666770935f,0.1299767643213272f,-0.01352152694016695f,-0.1218523159623146f,-0.2525081932544708f,0.1915166825056076f,0.073602594435215f,0.1081397533416748f,-0.16234460473060608f,-0.1154356449842453f,0.10268397629261017f,0.05004998296499252f,0.014055054634809494f,0.2717111110687256f,0.2356991171836853f,-0.1462659239768982f,0.09851181507110596f,-0.21499931812286377f,-0.11185821145772934f,-0.19151103496551514f,0.12568609416484833f,0.18231169879436493f,-0.6521878838539124f,-0.44089022278785706f,0.13138064742088318f,0.2520971894264221f,-0.09638746827840805f,-0.22670187056064606f,0.14932893216609955f,-0.3257754445075989f,-0.3933870494365692f,0.0435648038983345f };

const float b1[32] = { 0.4053560495376587f,0.9030048847198486f,-1.7145336866378784f,0.2424364537000656f,1.1016652584075928f,0.6838452219963074f,-0.1464858502149582f,0.18297266960144043f,0.6022551655769348f,-0.8986307382583618f,0.5525466203689575f,1.8556580543518066f,-0.3425353467464447f,-0.9320281147956848f,-1.087764859199524f,-0.6066838502883911f,0.35542842745780945f,-0.26377663016319275f,0.3938823342323303f,0.5819069147109985f,-0.284685879945755f,-1.1118980646133423f,-1.6770726442337036f,-1.2263047695159912f,2.060565233230591f,-2.0880801677703857f,-1.0489267110824585f,0.4720085561275482f,0.35053470730781555f,-1.0887231826782227f,1.7302892208099365f,-0.7229593396186829f };

const float b2[32] = { -0.10466054826974869f,-0.7642630338668823f,-1.4564176797866821f,-0.14550404250621796f,-0.6939148902893066f,-0.01552875991910696f,0.019981876015663147f,-0.43010345101356506f,-1.20063054561615f,-1.912178635597229f,-0.11184046417474747f,0.08302810043096542f,-0.23659145832061768f,1.810497760772705f,0.34774571657180786f,0.8595766425132751f,-1.798204779624939f,-1.5844906568527222f,-0.23383009433746338f,-0.33003008365631104f,0.06325438618659973f,-0.00104433367960155f,-0.06485146284103394f,-0.9934423565864563f,0.45906201004981995f,1.21089768409729f,0.6959775686264038f,-0.3004460036754608f,-0.6323830485343933f,-0.4208582937717438f,-1.178520679473877f,-1.3599019050598145f };

const float b3[32] = { -1.963319182395935f,-0.48264676332473755f,-0.007781100459396839f,-0.25889071822166443f,-2.223546028137207f,1.203320860862732f,-0.6013628840446472f,-0.6562485098838806f,0.49348634481430054f,0.18170373141765594f,-0.9357112646102905f,-0.25545385479927063f,-0.8797020316123962f,0.8974170088768005f,-1.1428403854370117f,-0.3598397970199585f,-1.3594286441802979f,-1.0192245244979858f,0.03836502507328987f,0.00928017869591713f,1.5037195682525635f,1.3043054342269897f,-1.268795132637024f,-1.5482141971588135f,0.9528017044067383f,-0.36519983410835266f,-0.35216107964515686f,0.42423248291015625f,-0.05885171517729759f,-2.3236680030822754f,-0.05897536128759384f,-1.7172245979309082f };

const float bout[1] = { -0.11694271117448807f };


int main()
{

    HAL_Init();
    SystemClock_Config();
    
    /*********************************
    ***     Initialization
    *********************************/
    LED = 0;
    pc.baud(9600);

    // i2c init
    i2c.frequency(400 * 1000);          // 0.4 mHz
    wait_ms(2);                         // Power Up wait
    look_for_hardware_i2c();            // Hardware present
    init_as5510(i2c_slave_addr1);
    make_delay();

//    // spi init
    //eeprom.format(8,3);
    //eeprom.frequency(5000000); //5M
    enc.format(8,0);
    enc.frequency(5000000); //5M
    make_delay();

    //rom
    ROM_CALL_DATA();
    make_delay();

    // ADC init
    Init_ADC();
    make_delay();

    // Pwm init
    Init_PWM();
    TIM4->CR1 ^= TIM_CR1_UDIS;
    make_delay();

    // TMR3 init
    Init_TMR3();
    TIM3->CR1 ^= TIM_CR1_UDIS;
    make_delay();

    // TMR2 init
//    Init_TMR2();
//    TIM2->CR1 ^= TIM_CR1_UDIS;
//    make_delay();

    // CAN
    can.attach(&CAN_RX_HANDLER);
    CAN_ID_INIT();
    make_delay();

    //Timer priority
    NVIC_SetPriority(TIM3_IRQn, 2);
    //NVIC_SetPriority(TIM2_IRQn, 3);
    NVIC_SetPriority(TIM4_IRQn, 3);

    //can.reset();
    can.filter(msg.id, 0xFFFFF000, CANStandard);

    // spi _ enc
    spi_enc_set_init();
    make_delay();

    //DAC init
    if (SENSING_MODE == 0) {
        dac_1 = TORQUE_VREF / 3.3f;
        dac_2 = 0.0f;
    } else if (SENSING_MODE == 1) {
        dac_1 = PRES_A_VREF / 3.3f;
        dac_2 = PRES_B_VREF / 3.3f;
    }
    make_delay();

    for (int i=0; i<50; i++) {
        if(i%2==0)
            ID_index_array[i] = - i * 0.5f;
        else
            ID_index_array[i] =  (i+1) * 0.5f;
    }
    

    /************************************
    ***     Program is operating!
    *************************************/
    while(1) {
//        if(timer_while==1000 && OPERATING_MODE==5) {
        //if(timer_while==1000) {
            //i2c
            
            read_field(i2c_slave_addr1);
            if(DIR_VALVE_ENC < 0) value = 1023 - value;
            //            if(LED==1) {
            //                LED=0;
            //            } else
            //                LED = 1;
            timer_while = 0;
        //}
        
        timer_while ++;
        
        if(NN_Control_Flag == 0) {
            LED = 0;
        }
        
        else if(NN_Control_Flag == 1) {
            float output1[32] = { 0.0f };
            float output2[32] = { 0.0f };
            float output3[32] = { 0.0f };
            float output = 0.0f;

            for (int index2 = 0; index2 < 32; index2++) {
                for (int index1 = 0; index1 < num_input; index1++) {
                    output1[index2] = output1[index2]
                                      + h1[index1][index2] * input_NN[index1];
                }
                output1[index2] = output1[index2] + b1[index2];
                if (output1[index2] < 0) {
                    output1[index2] = 0;
                }
            }

            for (int index2 = 0; index2 < 32; index2++) {
                for (int index1 = 0; index1 < 32; index1++) {
                    output2[index2] = output2[index2]
                                      + h2[index1][index2] * output1[index1];
                }
                output2[index2] = output2[index2] + b2[index2];
                if (output2[index2] < 0) {
                    output2[index2] = 0;
                }
            }

            for (int index2 = 0; index2 < 32; index2++) {
                for (int index1 = 0; index1 < 32; index1++) {
                    output3[index2] = output3[index2]
                                      + h3[index1][index2] * output2[index1];
                }
                output3[index2] = output3[index2] + b3[index2];
                if (output3[index2] < 0) {
                    output3[index2] = 0;
                }
            }

            for (int index2 = 0; index2 < 1; index2++) {
                for (int index1 = 0; index1 < 32; index1++) {
                    output = output + hout[index1] * output3[index1];
                }
                output = output + bout[index2];
                
            }
            output = 1.0f/(1.0f+exp(-output));
            output = output * 20000.0f - 10000.0f;
            if(output>=0) {
                valve_pos.ref = output*0.0001f*((double)VALVE_MAX_POS - (double) VALVE_CENTER) + (double) VALVE_CENTER;
            } else {
                valve_pos.ref = -output*0.0001f*((double)VALVE_MIN_POS - (double) VALVE_CENTER) + (double) VALVE_CENTER;
            }
            
            if(LED==1) {
                LED=0;
            } else
                LED = 1;
            
        }
        
        

    }
}

float DDV_JOINT_POS_FF(float REF_JOINT_VEL)
{

    int i = 0;
    float Ref_Valve_Pos_FF = 0.0f;
    for(i=0; i<VALVE_POS_NUM; i++) {
        if(REF_JOINT_VEL >= min(JOINT_VEL[i],JOINT_VEL[i+1]) && REF_JOINT_VEL <=  max(JOINT_VEL[i],JOINT_VEL[i+1])) {
            if(i==0) {
                if(JOINT_VEL[i+1] == JOINT_VEL[i]) {
                    Ref_Valve_Pos_FF = (float) VALVE_CENTER;
                } else {
                    Ref_Valve_Pos_FF = ((float) 10/(JOINT_VEL[i+1] - JOINT_VEL[i]) * (REF_JOINT_VEL - JOINT_VEL[i])) + (float) VALVE_CENTER;
                }
            } else {
                if(JOINT_VEL[i+1] == JOINT_VEL[i-1]) {
                    Ref_Valve_Pos_FF = (float) VALVE_CENTER;
                } else {
                    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]);
                }
            }
            break;
        }
    }
    if(REF_JOINT_VEL > max(JOINT_VEL[VALVE_POS_NUM-1], JOINT_VEL[VALVE_POS_NUM-2])) {
        Ref_Valve_Pos_FF = (float) VALVE_MAX_POS;
    } else if(REF_JOINT_VEL < min(JOINT_VEL[VALVE_POS_NUM-1], JOINT_VEL[VALVE_POS_NUM-2])) {
        Ref_Valve_Pos_FF = (float) VALVE_MIN_POS;
    }

    Ref_Valve_Pos_FF = (float) VELOCITY_COMP_GAIN * 0.01f * (float) (Ref_Valve_Pos_FF - (float) VALVE_CENTER);
    return Ref_Valve_Pos_FF;

}


void VALVE_POS_CONTROL(float REF_VALVE_POS)
{
    int i = 0;

    if(REF_VALVE_POS > VALVE_MAX_POS) {
        REF_VALVE_POS = VALVE_MAX_POS;
    } else if(REF_VALVE_POS < VALVE_MIN_POS) {
        REF_VALVE_POS = VALVE_MIN_POS;
    }

    valve_pos_err = REF_VALVE_POS - value;
    valve_pos_err_diff = valve_pos_err - valve_pos_err_old;
    valve_pos_err_old = valve_pos_err;
    valve_pos_err_sum += valve_pos_err;
    if (valve_pos_err_sum > 1000) valve_pos_err_sum = 1000;
    if (valve_pos_err_sum<-1000) valve_pos_err_sum = -1000;

    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;

    for(i=0; i<24; i++) {
        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])) {
            if(i==0) {
                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]);
            } else {
                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];
            }
            break;
        }
    }
    Vout.ref = VALVE_PWM_RAW_FF + VALVE_PWM_RAW_FB;
}

#define LT_MAX_IDX  57
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,
                                 -19.0f, -18.0f, -17.0f, -16.0f, -15.0f, -14.0f, -13.0f, -12.0f, -11.0f, -10.0f,
                                 -9.0f, -8.0f, -7.0f, -6.0f, -5.0f, -4.0f, -3.0f, -2.0f, -1.0f, 0.0f,
                                 1.0f, 2.0f, 3.0f, 4.0f, 5.0f, 6.0f, 7.0f, 8.0f, 9.0f, 10.0f,
                                 11.0f, 12.0f, 13.0f, 14.0f, 15.0f, 16.0f, 17.0f, 18.0f, 19.0f, 20.0f,
                                 25.0f, 30.0f, 35.0f, 40.0f, 50.0f, 60.0f, 80.0f, 100.0f
                                };  // duty
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,
                                       -150.0f, -145.0f, -145.0f, -145.0f, -135.0f, -135.0f, -135.0f, -127.5f, -127.5f, -115.0f,
                                       -115.0f, -115.0F, -100.0f, -100.0f, -100.0f, -60.0f, -60.0f, -10.0f, -5.0f, 0.0f,
                                       7.5f, 14.0f, 14.0f, 14.0f, 42.5f, 42.5f, 42.5f, 80.0f, 80.0f, 105.0f,
                                       105.0f, 105.0f, 120.0f, 120.0f, 120.0f, 131.0f, 131.0f, 140.0f, 140.0f, 140.0f,
                                       155.0f, 160.0f, 170.0f, 174.0f, 182.0f, 191.0f, 212.0f, 230.0f
                                      }; // mV

float PWM_duty_byLT(float Ref_V)
{
    float PWM_duty = 0.0f;
    if(Ref_V<LT_Voltage_Output[0]) {
        PWM_duty = (Ref_V-LT_Voltage_Output[0])/1.5f+LT_PWM_duty[0];
    } else if (Ref_V>=LT_Voltage_Output[LT_MAX_IDX-1]) {
        PWM_duty = (Ref_V-LT_Voltage_Output[LT_MAX_IDX-1])/1.5f+LT_PWM_duty[LT_MAX_IDX-1];
    } else {
        int idx = 0;
        for(idx=0; idx<LT_MAX_IDX-1; idx++) {
            float ini_x = LT_Voltage_Output[idx];
            float fin_x = LT_Voltage_Output[idx+1];
            float ini_y = LT_PWM_duty[idx];
            float fin_y = LT_PWM_duty[idx+1];
            if(Ref_V>=ini_x && Ref_V<fin_x) {
                PWM_duty = (fin_y-ini_y)/(fin_x-ini_x)*(Ref_V-ini_x) + ini_y;
                break;
            }
        }
    }

    return PWM_duty;
}





/*******************************************************************************
                            TIMER INTERRUPT
*******************************************************************************/

float FREQ_TMR4 = (float)FREQ_20k;
float DT_TMR4 = (float)DT_20k;
long  CNT_TMR4 = 0;
int   TMR4_FREQ_10k = (int)FREQ_10k;
extern "C" void TIM4_IRQHandler(void)
{
    if (TIM4->SR & TIM_SR_UIF ) {

        /*******************************************************
        ***     Sensor Read & Data Handling
        ********************************************************/

        //Encoder
        if (CNT_TMR4 % (int) ((int) FREQ_TMR4/TMR4_FREQ_10k) == 0) {
            ENC_UPDATE();
        }

        ADC1->CR2  |= 0x40000000;
        if (SENSING_MODE == 0) {
            // Torque Sensing (0~210)bar =============================================
            float pres_A_new = (((float) ADC1->DR) - 2047.5f);
            double alpha_update_ft = 1.0f / (1.0f + FREQ_TMR4 / (2.0f * 3.14f * 100.0f)); // f_cutoff : 200Hz
            pres_A.sen = (1.0f - alpha_update_ft) * pres_A.sen + alpha_update_ft * pres_A_new;
            torq.sen = -pres_A.sen / TORQUE_SENSOR_PULSE_PER_TORQUE;


//        float alpha_update_pres_A = 1.0f/(1.0f + FREQ_TMR4/(2.0f*3.14f*100.0f));
////        float pres_A_new = ((float)ADC1->DR - PRES_A_NULL)  / PRES_SENSOR_A_PULSE_PER_BAR;
//        float pres_A_new = ((float)ADC1->DR);
//        pres_A.sen = pres_A.sen*(1.0f-alpha_update_pres_A)+pres_A_new*(alpha_update_pres_A);
//        torq.sen = - (pres_A.sen-2048.0f); //pulse -2047~2047


        } else if (SENSING_MODE == 1) {
            // Pressure Sensing (0~210)bar =============================================
            float pres_A_new = (((float)ADC1->DR) - PRES_A_NULL);
            float pres_B_new = (((float)ADC2->DR) - PRES_B_NULL);
            double alpha_update_pres = 1.0f / (1.0f + FREQ_TMR4 / (2.0f * 3.14f * 200.0f)); // f_cutoff : 500Hz
            pres_A.sen = (1.0f - alpha_update_pres) * pres_A.sen + alpha_update_pres * pres_A_new;
            pres_B.sen = (1.0f - alpha_update_pres) * pres_B.sen + alpha_update_pres * pres_B_new;
            CUR_PRES_A_BAR = pres_A.sen / PRES_SENSOR_A_PULSE_PER_BAR;
            CUR_PRES_B_BAR = pres_B.sen / PRES_SENSOR_B_PULSE_PER_BAR;

            if ((OPERATING_MODE & 0x01) == 0) { // Rotary Actuator
                torq.sen = (PISTON_AREA_A * CUR_PRES_A_BAR - PISTON_AREA_B * CUR_PRES_B_BAR) * 0.0001f; // mm^3*bar >> Nm
            } else if ((OPERATING_MODE & 0x01) == 1) { // Linear Actuator
                torq.sen = (PISTON_AREA_A * CUR_PRES_A_BAR - PISTON_AREA_B * CUR_PRES_B_BAR) * 0.1f; // mm^2*bar >> N
            }
        }

//        //Pressure sensor A
//        ADC1->CR2  |= 0x40000000;                        // adc _ 12bit
//        //while((ADC1->SR & 0b10));
//        float alpha_update_pres_A = 1.0f/(1.0f + FREQ_TMR4/(2.0f*3.14f*100.0f));
//        float pres_A_new = ((float)ADC1->DR);
//        pres_A.sen = pres_A.sen*(1.0f-alpha_update_pres_A)+pres_A_new*(alpha_update_pres_A);
//        torq.sen = - (pres_A.sen-2048.0f); //pulse -2047~2047    //SW just changed the sign to correct the direction of loadcell on LIGHT. Correct later.
//
//
//        //Pressure sensor B
//        float alpha_update_pres_B = 1.0f/(1.0f + FREQ_TMR4/(2.0f*3.14f*100.0f));
//        float pres_B_new = ((float)ADC2->DR);
//        pres_B.sen = pres_B.sen*(1.0f-alpha_update_pres_B)+pres_B_new*(alpha_update_pres_B);
//        //torq.sen = pres_A.sen * (float) PISTON_AREA_A - pres_B.sen * (float) PISTON_AREA_B;


        //Current
        //ADC3->CR2  |= 0x40000000;                        // adc _ 12bit
        //int raw_cur = ADC3->DR;
        //while((ADC3->SR & 0b10));
        float alpha_update_cur = 1.0f/(1.0f + FREQ_TMR4/(2.0f*3.14f*500.0f)); // f_cutoff : 500Hz
        float cur_new = ((float)ADC3->DR-2048.0f)*20.0f/4096.0f; // unit : mA
        cur.sen=cur.sen*(1.0f-alpha_update_cur)+cur_new*(alpha_update_cur);
        //cur.sen = raw_cur;

        CNT_TMR4++;
    }
    TIM4->SR = 0x0;  // reset the status register
}


int j =0;
float FREQ_TMR3 = (float)FREQ_5k;
float DT_TMR3 = (float)DT_5k;
int cnt_trans = 0;
double VALVE_POS_RAW_FORCE_FB_LOGGING = 0.0f;
int can_rest =0;

extern "C" void TIM3_IRQHandler(void)
{
    if (TIM3->SR & TIM_SR_UIF ) {

        if (((OPERATING_MODE&0b110)>>1) == 0) {
            K_v = 0.4f; // Moog (LPM >> mA) , 100bar
            mV_PER_mA = 500.0f; // 5000mV/10mA
            mV_PER_pulse = 0.5f; // 5000mV/10000pulse
            mA_PER_pulse = 0.001f; // 10mA/10000pulse
        } else if (((OPERATING_MODE&0b110)>>1) == 1) {
            K_v = 0.5f; // KNR (LPM >> mA) , 100bar
            mV_PER_mA = 166.6666f; // 5000mV/30mA
            mV_PER_pulse = 0.5f; // 5000mV/10000pulse
            mA_PER_pulse = 0.003f; // 30mA/10000pulse
        }

        if(MODE_POS_FT_TRANS == 1) {
            alpha_trans = (float)(1.0f - cos(3.141592f * (float)cnt_trans * DT_TMR3 /3.0f))/2.0f;
            cnt_trans++;
            torq.err_sum = 0;
            if((float)cnt_trans * DT_TMR3 > 3.0f)
                MODE_POS_FT_TRANS = 2;
        } else if(MODE_POS_FT_TRANS == 3) {
            alpha_trans = (float)(1.0f + cos(3.141592f * (float)cnt_trans * DT_TMR3 /3.0f))/2.0f;
            cnt_trans++;
            torq.err_sum = 0;
            if((float) cnt_trans * DT_TMR3 > 3.0f )
                MODE_POS_FT_TRANS = 0;
        } else if(MODE_POS_FT_TRANS == 2) {
            alpha_trans = 1.0f;
            cnt_trans = 0;
        } else {
            alpha_trans = 0.0f;
            cnt_trans = 0;
        }


        int UTILITY_MODE = 0;
        int CONTROL_MODE = 0;

        if (CONTROL_UTILITY_MODE >= 20 || CONTROL_UTILITY_MODE == 0) {
            UTILITY_MODE = CONTROL_UTILITY_MODE;
            CONTROL_MODE = MODE_NO_ACT;
        } else {
            CONTROL_MODE = CONTROL_UTILITY_MODE;
            UTILITY_MODE = MODE_NO_ACT;
        }



        // UTILITY MODE ------------------------------------------------------------

        switch (UTILITY_MODE) {
            case MODE_NO_ACT: {
                break;
            }

            case MODE_TORQUE_SENSOR_NULLING: {
                // DAC Voltage reference set
                if (TMR3_COUNT_TORQUE_NULL < TMR_FREQ_5k * 2) {
                    CUR_TORQUE_sum += torq.sen;

                    if (TMR3_COUNT_TORQUE_NULL % 10 == 0) {
                        CUR_TORQUE_mean = CUR_TORQUE_sum / 10.0f;
                        CUR_TORQUE_sum = 0;

                        TORQUE_VREF += 0.0003f * (0.0f - CUR_TORQUE_mean);

                        if (TORQUE_VREF > 3.3f) TORQUE_VREF = 3.3f;
                        if (TORQUE_VREF < 0.0f) TORQUE_VREF = 0.0f;

                        //spi_eeprom_write(RID_TORQUE_SENSOR_VREF, (int16_t) (TORQUE_VREF * 1000.0));
                        dac_1 = TORQUE_VREF / 3.3f;
                    }
                } else {
                    CONTROL_UTILITY_MODE = MODE_NO_ACT;
                    TMR3_COUNT_TORQUE_NULL = 0;
                    CUR_TORQUE_sum = 0;
                    CUR_TORQUE_mean = 0;

                    ROM_RESET_DATA();

                    dac_1 = TORQUE_VREF / 3.3f;

                }
                TMR3_COUNT_TORQUE_NULL++;
                break;
            }

//            case MODE_VALVE_NULLING_AND_DEADZONE_SETTING: {
//                if (TMR3_COUNT_DEADZONE == 0) {
//                    if (pos_plus_end == pos_minus_end) need_enc_init = true;
//                    else temp_time = 0;
//                }
//                if (need_enc_init) {
//                    if (TMR3_COUNT_DEADZONE < (int) (0.5f * (float) TMR_FREQ_5k)) {
//                        V_out = VALVE_VOLTAGE_LIMIT * 1000.0f;
//                        pos_plus_end = pos.sen;
//                    } else if (TMR3_COUNT_DEADZONE < TMR_FREQ_5k) {
//                        V_out = -VALVE_VOLTAGE_LIMIT * 1000.0f;
//                        pos_minus_end = pos.sen;
//                    } else if (TMR3_COUNT_DEADZONE == TMR_FREQ_5k) need_enc_init = false;
//                    temp_time = TMR_FREQ_5k;
//                }
//
//                if (temp_time <= TMR3_COUNT_DEADZONE && TMR3_COUNT_DEADZONE < (temp_time + TMR_FREQ_5k)) {
//                    V_out = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen);
//                    VALVE_CENTER = VALVE_DEADZONE_PLUS = VALVE_DEADZONE_MINUS = 0;
//
//                } else if (temp_time <= TMR3_COUNT_DEADZONE && TMR3_COUNT_DEADZONE < (temp_time + (int) (1.9f * (float) TMR_FREQ_5k))) {
//                    V_out = 0;
//                    CUR_VELOCITY_sum += CUR_VELOCITY;
//                } else if (TMR3_COUNT_DEADZONE == (temp_time + 2 * TMR_FREQ_5k)) {
//                    if (CUR_VELOCITY_sum == 0) DZ_dir = 1;
//                    else if (CUR_VELOCITY_sum > 0) DZ_dir = 1;
//                    else if (CUR_VELOCITY_sum < 0) DZ_dir = -1;
//                    else DZ_temp_cnt2 = DZ_end;
//                    CUR_VELOCITY_sum = 0;
//                } else if (TMR3_COUNT_DEADZONE > (temp_time + 2 * TMR_FREQ_5k)) {
//                    if (TMR3_COUNT_DEADZONE > (temp_time + 10 * TMR_FREQ_5k)) DZ_temp_cnt2 = DZ_end;
//
//                    // Position of Dead Zone
//                    //  (CUR_VELOCITY < 0)  (CUR_VELOCITY == 0)  (CUR_VELOCITY > 0)
//                    //     |        /                 |    /                      |/
//                    //     | ______/               ___|___/                ______/|
//                    //     |/                     /   |                   /       |
//                    //    /|                     /    |                  /        |
//                    //     0V                         0V                          0V
//
//                    if (DZ_temp_cnt2 < DZ_end) {
//                        if (TMR3_COUNT_DEADZONE % 20 != 0) {
//                            CUR_VELOCITY_sum += CUR_VELOCITY;
//                        } else {
//                            V_out -= DZ_dir;
//                            if (CUR_VELOCITY_sum * DZ_dir < 0) DZ_temp_cnt++;
//                            CUR_VELOCITY_sum = 0;
//                        }
//                        if (DZ_temp_cnt == 5) {
//                            if (DZ_dir >= 0) VALVE_DEADZONE_MINUS = (int16_t) V_out;
//                            else VALVE_DEADZONE_PLUS = (int16_t) V_out;
//                            DZ_dir = -DZ_dir;
//                            DZ_temp_cnt = 0;
//                            DZ_temp_cnt2++;
//                        }
//                    } else {
//                        TMR3_COUNT_DEADZONE = -1;
//                        VALVE_CENTER = VALVE_DEADZONE_PLUS / 2 + VALVE_DEADZONE_MINUS / 2;
//                        if (VALVE_DEADZONE_PLUS < VALVE_DEADZONE_MINUS) {
//                            VALVE_DEADZONE_PLUS = VALVE_CENTER;
//                            VALVE_DEADZONE_MINUS = VALVE_CENTER;
//                        }
//                        V_out = 0;
//
//                        ROM_RESET_DATA();
//
//                        //spi_eeprom_write(RID_VALVE_DEADZONE_PLUS, VALVE_DEADZONE_PLUS);
//                        //spi_eeprom_write(RID_VALVE_DEADZONE_MINUS, VALVE_DEADZONE_MINUS);
//
//                        CONTROL_MODE = MODE_NO_ACT;
//                        DZ_temp_cnt2 = 0;
//                    }
//                }
//                TMR3_COUNT_DEADZONE++;
//                break;
//            }

            case MODE_FIND_HOME: {
                if (FINDHOME_STAGE == FINDHOME_INIT) {
                    cnt_findhome = 0;
                    cnt_vel_findhome = 0;
                    //REFERENCE_MODE = MODE_REF_NO_ACT; // Stop taking reference data from PODO
                    pos.ref = pos.sen;
                    vel.ref = 0.0f;
                    FINDHOME_STAGE = FINDHOME_GOTOLIMIT;
                } else if (FINDHOME_STAGE == FINDHOME_GOTOLIMIT) {
                    int cnt_check_enc = (TMR_FREQ_5k/20);
                    if(cnt_findhome%cnt_check_enc == 0) {
                        FINDHOME_POSITION = pos.sen;
                        FINDHOME_VELOCITY = FINDHOME_POSITION - FINDHOME_POSITION_OLD;
                        FINDHOME_POSITION_OLD = FINDHOME_POSITION;
                    }
                    cnt_findhome++;

                    if (abs(FINDHOME_VELOCITY) <= 1) {
                        cnt_vel_findhome = cnt_vel_findhome + 1;
                    } else {
                        cnt_vel_findhome = 0;
                    }

                    if ((cnt_vel_findhome < 3*TMR_FREQ_5k) &&  cnt_findhome < 10*TMR_FREQ_5k) { // wait for 3sec
                        //REFERENCE_MODE = MODE_REF_NO_ACT;
                        if (HOMEPOS_OFFSET > 0) pos.ref = pos.ref + 12.0f;
                        else pos.ref = pos.ref - 12.0f;

//                        pos.err = pos.ref_home_pos - pos.sen;
//                        float VALVE_POS_RAW_POS_FB = 0.0f;
//                        VALVE_POS_RAW_POS_FB = (float) P_GAIN_JOINT_POSITION * pos.err/(float) ENC_PULSE_PER_POSITION * 0.01f;
//                        valve_pos.ref = VALVE_POS_RAW_POS_FB + (float) VALVE_CENTER;
//                        VALVE_POS_CONTROL(valve_pos.ref);

                        CONTROL_MODE = MODE_JOINT_CONTROL;
                        alpha_trans = 0.0f;


                    } else {
                        ENC_SET(HOMEPOS_OFFSET);
//                        ENC_SET_ZERO();
                        INIT_REF_POS = HOMEPOS_OFFSET;
                        REF_POSITION = 0;
                        REF_VELOCITY = 0;
                        FINDHOME_POSITION = 0;
                        FINDHOME_POSITION_OLD = 0;
                        FINDHOME_VELOCITY = 0;
                        cnt_findhome = 0;
                        cnt_vel_findhome = 0;
                        FINDHOME_STAGE = FINDHOME_ZEROPOSE;


                        cnt_findhome = 0;
                        pos.ref = 0.0f;
                        vel.ref = 0.0f;
                        pos.ref_home_pos = 0.0f;
                        vel.ref_home_pos = 0.0f;
                        //FINDHOME_STAGE = FINDHOME_INIT;
                        //CONTROL_UTILITY_MODE = MODE_JOINT_CONTROL;
                        
                        
                    }
                } else if (FINDHOME_STAGE == FINDHOME_ZEROPOSE) {
                    int T_move = 2*TMR_FREQ_5k;
                    pos.ref = (0.0f - (float)INIT_REF_POS)*0.5f*(1.0f - cos(3.14159f * (float)cnt_findhome / (float)T_move)) + (float)INIT_REF_POS;
                    //pos.ref = 0.0f;
                    vel.ref = 0.0f;
                    
                    // input for position control
                
//                    CONTROL_MODE = MODE_JOINT_CONTROL;
                    alpha_trans = 0.0f;

                    double torq_ref = 0.0f;
                    pos.err = (pos.ref - pos.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm]
                    vel.err = (0.0f - vel.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm/s]
                    pos.err_sum += pos.err/(float) TMR_FREQ_5k; //[mm]

                    if (((OPERATING_MODE&0b110)>>1) == 0 || ((OPERATING_MODE&0b110)>>1) == 1) {

                        double I_REF_POS = 0.0f;
                        double I_REF_FORCE_FB = 0.0f; // I_REF by Force Feedback
                        double I_REF_VC = 0.0f; // I_REF for velocity compensation

                        double temp_vel_pos = 0.0f;
                        double temp_vel_torq = 0.0f;
                        double wn_Pos = 2.0f * PI * 5.0f; // f_cut : 5Hz Position Control

                        if ((OPERATING_MODE & 0x01) == 0) { // Rotary Mode
                            temp_vel_pos = (0.01f * (double) P_GAIN_JOINT_POSITION * wn_Pos * pos.err + 0.01f * (double) I_GAIN_JOINT_POSITION * wn_Pos * pos.err_sum + 0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / ENC_PULSE_PER_POSITION) * 3.14159f / 180.0f; // rad/s
                            //                            L when P-gain = 100, f_cut = 10Hz                                 L feedforward velocity
                        } else if ((OPERATING_MODE & 0x01) == 1) {
                            temp_vel_pos = (0.01f * (double) P_GAIN_JOINT_POSITION * wn_Pos * pos.err + 0.01f * (double) I_GAIN_JOINT_POSITION * wn_Pos * pos.err_sum + 0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / ENC_PULSE_PER_POSITION); // mm/s
                            //                            L when P-gain = 100, f_cut = 10Hz                                 L feedforward velocity
                        }
                        if (temp_vel_pos > 0.0f) I_REF_POS = temp_vel_pos * ((double) PISTON_AREA_A * 0.00006f / (K_v * sqrt(2.0f * alpha3 / (alpha3 + 1.0f))));
                        else I_REF_POS = temp_vel_pos * ((double) PISTON_AREA_B * 0.00006f / (K_v * sqrt(2.0f / (alpha3 + 1.0f))));

                        I_REF = I_REF_POS;



                    } else {
                        float VALVE_POS_RAW_FORCE_FB = 0.0f;
                        VALVE_POS_RAW_FORCE_FB = DDV_JOINT_POS_FF(vel.sen) + (P_GAIN_JOINT_POSITION * 0.01f * pos.err + DDV_JOINT_POS_FF(vel.ref));

                        if (VALVE_POS_RAW_FORCE_FB >= 0) {
                            valve_pos.ref = VALVE_POS_RAW_FORCE_FB + VALVE_DEADZONE_PLUS;
                        } else {
                            valve_pos.ref = VALVE_POS_RAW_FORCE_FB + VALVE_DEADZONE_MINUS;
                        }

                        VALVE_POS_CONTROL(valve_pos.ref);

                        V_out = (float) Vout.ref;

                    }


                    
                    
//                    pos.err = pos.ref - (float)pos.sen;
//                    float VALVE_POS_RAW_POS_FB = 0.0f;
//                    VALVE_POS_RAW_POS_FB = (float) P_GAIN_JOINT_POSITION * 0.01f * pos.err/(float) ENC_PULSE_PER_POSITION;
//                    valve_pos.ref = VALVE_POS_RAW_POS_FB + (float) VALVE_CENTER;
//                    VALVE_POS_CONTROL(valve_pos.ref);

                    cnt_findhome++;
                    if (cnt_findhome >= T_move) {
                        //REFERENCE_MODE = MODE_REF_DIRECT;
                        cnt_findhome = 0;
                        pos.ref = 0.0f;
                        vel.ref = 0.0f;
                        pos.ref_home_pos = 0.0f;
                        vel.ref_home_pos = 0.0f;
                        FINDHOME_STAGE = FINDHOME_INIT;
                        CONTROL_UTILITY_MODE = MODE_JOINT_CONTROL;
                    }
                }

                break;
            }

//            case MODE_VALVE_GAIN_SETTING: {
//                if (TMR3_COUNT_FLOWRATE == 0) {
//                    if (pos_plus_end == pos_minus_end) need_enc_init = true;
//                    else {
//                        V_out = -VALVE_VOLTAGE_LIMIT * 1000.0f;
//                        temp_time = (int) (0.5f * (float) TMR_FREQ_5k);
//                    }
//                }
//                if (need_enc_init) {
//                    if (TMR3_COUNT_FLOWRATE < (int) (0.5f * (float) TMR_FREQ_5k)) {
//                        V_out = VALVE_VOLTAGE_LIMIT * 1000.0f;
//                        pos_plus_end = pos.sen;
//                    } else if (TMR3_COUNT_FLOWRATE < TMR_FREQ_5k) {
//                        V_out = -VALVE_VOLTAGE_LIMIT * 1000.0f;
//                        pos_minus_end = pos.sen;
//                    } else if (TMR3_COUNT_FLOWRATE == TMR_FREQ_5k) {
//                        need_enc_init = false;
//                        check_vel_pos_init = (int) (0.9f * (float) (pos_plus_end - pos_minus_end));
//                        check_vel_pos_fin = (int) (0.95f * (float) (pos_plus_end - pos_minus_end));
//                        check_vel_pos_interv = check_vel_pos_fin - check_vel_pos_init;
//                    }
//                    temp_time = TMR_FREQ_5k;
//                }
//                TMR3_COUNT_FLOWRATE++;
//                if (TMR3_COUNT_FLOWRATE > temp_time) {
//                    if (flag_flowrate % 2 == 0) { // (+)
//                        VALVE_VOLTAGE = 1000.0f * (float) (flag_flowrate / 2 + 1);
//                        V_out = VALVE_VOLTAGE;
//                        if (pos.sen > (pos_minus_end + check_vel_pos_init) && pos.sen < (pos_minus_end + check_vel_pos_fin)) {
//                            fl_temp_cnt++;
//                        } else if (pos.sen >= (pos_minus_end + check_vel_pos_fin) && CUR_VELOCITY == 0) {
//                            VALVE_GAIN_LPM_PER_V[flag_flowrate] = 0.95873f * 0.5757f * (float) TMR_FREQ_5k / 10000.0 * (float) check_vel_pos_interv / (float) fl_temp_cnt / VALVE_VOLTAGE; // 0.9587=6*pi/65536*10000 0.5757=0.02525*0.02*0.0095*2*60*1000
//                            //                        VALVE_GAIN_LPM_PER_V[flag_flowrate] = (float) TMR_FREQ_10k * (float) check_vel_pos_interv / (float) fl_temp_cnt / VALVE_VOLTAGE; // PULSE/sec
//                            fl_temp_cnt2++;
//                        }
//                    } else if (flag_flowrate % 2 == 1) { // (-)
//                        VALVE_VOLTAGE = -1. * (float) (flag_flowrate / 2 + 1);
//                        V_out = VALVE_VOLTAGE;
//                        if (pos.sen < (pos_plus_end - check_vel_pos_init) && pos.sen > (pos_plus_end - check_vel_pos_fin)) {
//                            fl_temp_cnt++;
//                        } else if (pos.sen <= (pos_plus_end - check_vel_pos_fin) && CUR_VELOCITY == 0) {
//                            VALVE_GAIN_LPM_PER_V[flag_flowrate] = 0.95873f * 0.5757f * (float) TMR_FREQ_5k / 10000.0f * (float) check_vel_pos_interv / (float) fl_temp_cnt / (-VALVE_VOLTAGE);
//                            //                        VALVE_GAIN_LPM_PER_V[flag_flowrate] = (float) TMR_FREQ_10k * (float) check_vel_pos_interv / (float) fl_temp_cnt / (-VALVE_VOLTAGE); // PULSE/sec
//                            fl_temp_cnt2++;
//                        }
//                    }
//                    if (fl_temp_cnt2 == 100) {
//
//                        ROM_RESET_DATA();
//
//                        //spi_eeprom_write(RID_VALVE_GAIN_PLUS_1 + flag_flowrate, (int16_t) (VALVE_GAIN_LPM_PER_V[flag_flowrate] * 100.0f));
//                        cur_vel_sum = 0;
//                        fl_temp_cnt = 0;
//                        fl_temp_cnt2 = 0;
//                        flag_flowrate++;
//                    }
//                    if (flag_flowrate == 10) {
//                        V_out = 0;
//                        flag_flowrate = 0;
//                        TMR3_COUNT_FLOWRATE = 0;
//                        valve_gain_repeat_cnt++;
//                        if (valve_gain_repeat_cnt >= 1) {
//                            CONTROL_MODE = MODE_NO_ACT;
//                            valve_gain_repeat_cnt = 0;
//                        }
//
//                    }
//                    break;
//                }
//
//            }
            case MODE_PRESSURE_SENSOR_NULLING: {
                // DAC Voltage reference set
                if (TMR3_COUNT_PRES_NULL < TMR_FREQ_5k * 2) {
                    CUR_PRES_A_sum += pres_A.sen;
                    CUR_PRES_B_sum += pres_B.sen;

                    if (TMR3_COUNT_PRES_NULL % 10 == 0) {
                        CUR_PRES_A_mean = CUR_PRES_A_sum / 10.0f;
                        CUR_PRES_B_mean = CUR_PRES_B_sum / 10.0f;
                        CUR_PRES_A_sum = 0;
                        CUR_PRES_B_sum = 0;

                        float VREF_NullingGain = 0.0003f;
                        PRES_A_VREF = PRES_A_VREF + VREF_NullingGain * CUR_PRES_A_mean;
                        PRES_B_VREF = PRES_B_VREF + VREF_NullingGain * CUR_PRES_B_mean;

                        if (PRES_A_VREF > 3.3f) PRES_A_VREF = 3.3f;
                        if (PRES_A_VREF < 0.0f) PRES_A_VREF = 0.0f;
                        if (PRES_B_VREF > 3.3f) PRES_B_VREF = 3.3f;
                        if (PRES_B_VREF < 0.0f) PRES_B_VREF = 0.0f;

                        dac_1 = PRES_A_VREF / 3.3f;
                        dac_2 = PRES_B_VREF / 3.3f;
                    }
                } else {
                    CONTROL_UTILITY_MODE = MODE_NO_ACT;
                    TMR3_COUNT_PRES_NULL = 0;
                    CUR_PRES_A_sum = 0;
                    CUR_PRES_B_sum = 0;
                    CUR_PRES_A_mean = 0;
                    CUR_PRES_B_mean = 0;

                    ROM_RESET_DATA();

                    dac_1 = PRES_A_VREF / 3.3f;
                    dac_2 = PRES_B_VREF / 3.3f;
                    //pc.printf("nulling end");
                }
                TMR3_COUNT_PRES_NULL++;
                break;
            }

//            case MODE_PRESSURE_SENSOR_CALIB: {
//                if (TMR3_COUNT_PRES_CALIB < 2 * TMR_FREQ_5k) {
//                    V_out = -VALVE_VOLTAGE_LIMIT * 1000.0f;
//                    if (TMR3_COUNT_PRES_CALIB >= TMR_FREQ_5k) {
//                        CUR_PRES_A_sum += CUR_PRES_A;
//                    }
//                } else if (TMR3_COUNT_PRES_CALIB < 4 * TMR_FREQ_5k) {
//                    V_out = VALVE_VOLTAGE_LIMIT * 1000.0f;
//                    if (TMR3_COUNT_PRES_CALIB >= 3 * TMR_FREQ_5k) {
//                        CUR_PRES_B_sum += CUR_PRES_B;
//                    }
//                } else {
//                    CONTROL_MODE = MODE_NO_ACT;
//                    TMR3_COUNT_PRES_CALIB = 0;
//                    V_out = 0;
//                    PRES_SENSOR_A_PULSE_PER_BAR = CUR_PRES_A_sum / ((float) TMR_FREQ_5k - 1.0f) - PRES_A_NULL;
//                    PRES_SENSOR_A_PULSE_PER_BAR = PRES_SENSOR_A_PULSE_PER_BAR / ((float) PRES_SUPPLY - 1.0f);
//                    PRES_SENSOR_B_PULSE_PER_BAR = CUR_PRES_B_sum / ((float) TMR_FREQ_5k - 1.0f) - PRES_B_NULL;
//                    PRES_SENSOR_B_PULSE_PER_BAR = PRES_SENSOR_B_PULSE_PER_BAR / ((float) PRES_SUPPLY - 1.0f);
//                    CUR_PRES_A_sum = 0;
//                    CUR_PRES_B_sum = 0;
//                    CUR_PRES_A_mean = 0;
//                    CUR_PRES_B_mean = 0;
//
//                    ROM_RESET_DATA();
//
//                    //spi_eeprom_write(RID_PRES_SENSOR_A_PULSE_PER_BAR, (int16_t) (PRES_SENSOR_A_PULSE_PER_BAR * 100.0f));
//                    //spi_eeprom_write(RID_PRES_SENSOR_B_PULSE_PER_BAR, (int16_t) (PRES_SENSOR_B_PULSE_PER_BAR * 100.0f));
//                }
//                TMR3_COUNT_PRES_CALIB++;
//                break;
//            }

//            case MODE_ROTARY_FRICTION_TUNING: {
//                if (TMR3_COUNT_ROTARY_FRIC_TUNE % (5 * TMR_FREQ_5k) == 0) freq_fric_tune = 4.0f + 3.0f * sin(2 * 3.14159f * 0.5f * TMR3_COUNT_ROTARY_FRIC_TUNE * 0.0001f * 0.05f);
//                V_out = PWM_out * sin(2 * 3.14159f * freq_fric_tune * TMR3_COUNT_ROTARY_FRIC_TUNE * 0.0001f);
//                if (V_out > 0) V_out = VALVE_VOLTAGE_LIMIT * 1000.0f;
//                else V_out = -VALVE_VOLTAGE_LIMIT * 1000.0f;
//                TMR3_COUNT_ROTARY_FRIC_TUNE++;
//                if (TMR3_COUNT_ROTARY_FRIC_TUNE > TUNING_TIME * TMR_FREQ_5k) {
//                    TMR3_COUNT_ROTARY_FRIC_TUNE = 0;
//                    V_out = 0.0f;
//                    CONTROL_MODE = MODE_NO_ACT;
//                }
//                break;
//            }

            case MODE_DDV_POS_VS_PWM_ID: {
                CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
                VALVE_ID_timer = VALVE_ID_timer + 1;

                if(VALVE_ID_timer < TMR_FREQ_5k*1) {
                    Vout.ref = 3000.0f * sin(2.0f*3.14f*VALVE_ID_timer/TMR_FREQ_5k * 100.0f);
                } else if(VALVE_ID_timer < TMR_FREQ_5k*2) {
                    Vout.ref = 1000.0f*(ID_index_array[ID_index]);
                } else if(VALVE_ID_timer == TMR_FREQ_5k*2) {
                    VALVE_POS_TMP = 0;
                    data_num = 0;
                } else if(VALVE_ID_timer < TMR_FREQ_5k*3) {
                    data_num = data_num + 1;
                    VALVE_POS_TMP = VALVE_POS_TMP + value;
                } else if(VALVE_ID_timer == TMR_FREQ_5k*3) {
                    Vout.ref = 0.0f;
                } else {
                    VALVE_POS_AVG[ID_index] = VALVE_POS_TMP / data_num;
                    VALVE_ID_timer = 0;
                    ID_index= ID_index +1;
                }

                if(ID_index>=25) {
                    int i;
                    VALVE_POS_AVG_OLD = VALVE_POS_AVG[0];
                    for(i=0; i<25; i++) {
                        VALVE_POS_VS_PWM[i] = (int16_t) (VALVE_POS_AVG[i]);
                        if(VALVE_POS_AVG[i] > VALVE_POS_AVG_OLD) {
                            VALVE_MAX_POS = VALVE_POS_AVG[i];
                            VALVE_POS_AVG_OLD = VALVE_MAX_POS;
                        } else if(VALVE_POS_AVG[i] < VALVE_POS_AVG_OLD) {
                            VALVE_MIN_POS = VALVE_POS_AVG[i];
                            VALVE_POS_AVG_OLD = VALVE_MIN_POS;
                        }
                    }
                    ROM_RESET_DATA();
                    ID_index = 0;
                    CONTROL_UTILITY_MODE = MODE_NO_ACT;
                }


                break;
            }

            case MODE_DDV_DEADZONE_AND_CENTER: {
                CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
                VALVE_DZ_timer = VALVE_DZ_timer + 1;
                if(first_check == 0) {
                    if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
                        Vout.ref = VALVE_VOLTAGE_LIMIT * 1000.0f;
                    } else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
                        Vout.ref = VALVE_VOLTAGE_LIMIT * 1000.0f;
                        pos_plus_end = pos.sen;
                    } else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
                        Vout.ref = -VALVE_VOLTAGE_LIMIT * 1000.0f;
                    } else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
                        Vout.ref = -VALVE_VOLTAGE_LIMIT * 1000.0f;
                        pos_minus_end = pos.sen;
                    } else if(VALVE_DZ_timer < (int) (3.0f * (float) TMR_FREQ_5k)) {
                        Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
                    } else if(VALVE_DZ_timer < (int) (4.0f * (float) TMR_FREQ_5k)) {
                        Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
                        data_num = data_num + 1;
                        VALVE_POS_TMP = VALVE_POS_TMP + value;
                    } else if(VALVE_DZ_timer == (int) (4.0f * (float) TMR_FREQ_5k)) {
                        Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
                        DDV_POS_AVG = VALVE_POS_TMP / data_num;
                        START_POS = pos.sen;
                        VALVE_POS_TMP = 0;
                        data_num = 0;

                    } else if(VALVE_DZ_timer < (int) (5.0f * (float) TMR_FREQ_5k)) {
                        valve_pos.ref = DDV_POS_AVG;
                        VALVE_POS_CONTROL(valve_pos.ref);

                    } else if(VALVE_DZ_timer < (int) (6.0f * (float) TMR_FREQ_5k)) {
                        valve_pos.ref = DDV_POS_AVG;
                        VALVE_POS_CONTROL(valve_pos.ref);

                    } else if(VALVE_DZ_timer == (int) (6.0f * (float) TMR_FREQ_5k)) {
                        valve_pos.ref = DDV_POS_AVG;
                        VALVE_POS_CONTROL(valve_pos.ref);
                        FINAL_POS = pos.sen;

                        if((FINAL_POS - START_POS)>200) {
                            DZ_case = 1;
                        } else if((FINAL_POS - START_POS)<-200) {
                            DZ_case = -1;
                        } else {
                            DZ_case = 0;
                        }

                        CAN_TX_PRES((int16_t) (DZ_case), (int16_t) (6));

                        first_check = 1;
                        DZ_DIRECTION = 1;
                        VALVE_DZ_timer = 0;
                        Ref_Valve_Pos_Old = DDV_POS_AVG;
                        DZ_NUM = 1;
                        DZ_index = 1;

                    }
                } else {
                    if((DZ_case == -1 && DZ_NUM == 1) | (DZ_case == 1 && DZ_NUM == 1)) {
                        if(VALVE_DZ_timer < (int) (1.0 * (float) TMR_FREQ_5k)) {
                            Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
                            //pos.ref = 0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end;
                            //CONTROL_MODE = MODE_JOINT_CONTROL;
                        } else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
                            START_POS = pos.sen;
                        } else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
                            valve_pos.ref = Ref_Valve_Pos_Old  - DZ_case * DZ_DIRECTION * 64 / DZ_index;
                            if(valve_pos.ref <= VALVE_MIN_POS) {
                                valve_pos.ref = VALVE_MIN_POS;
                            } else if(valve_pos.ref >= VALVE_MAX_POS) {
                                valve_pos.ref = VALVE_MAX_POS;
                            }
                            VALVE_POS_CONTROL(valve_pos.ref);

                        } else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
                            Ref_Valve_Pos_Old = valve_pos.ref;
                            FINAL_POS = pos.sen;

                            if((FINAL_POS - START_POS)>100) {
                                DZ_DIRECTION = 1 * DZ_case;
                            } else if((FINAL_POS - START_POS)<-100) {
                                DZ_DIRECTION = -1 * DZ_case;
                            } else {
                                DZ_DIRECTION = 1 * DZ_case;
                            }

                            VALVE_DZ_timer = 0;
                            DZ_index= DZ_index *2;
                            if(DZ_index >= 128) {
                                FIRST_DZ = valve_pos.ref;
                                DZ_NUM = 2;
                                Ref_Valve_Pos_Old = FIRST_DZ;
                                DZ_index = 1;
                                DZ_DIRECTION = 1;
                            }
                        }
                    } else if((DZ_case == -1 && DZ_NUM == 2) | (DZ_case == 1 && DZ_NUM == 2)) {
                        if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
                            Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
                            //pos.ref = 0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end;
                            //CONTROL_MODE = MODE_JOINT_CONTROL;
                        } else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
                            START_POS = pos.sen;
                        } else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
                            valve_pos.ref = Ref_Valve_Pos_Old  - DZ_case * DZ_DIRECTION * 64 / DZ_index;
                            if(valve_pos.ref <= VALVE_MIN_POS) {
                                valve_pos.ref = VALVE_MIN_POS;
                            } else if(valve_pos.ref >= VALVE_MAX_POS) {
                                valve_pos.ref = VALVE_MAX_POS;
                            }
                            VALVE_POS_CONTROL(valve_pos.ref);

                        } else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
                            Vout.ref = 0.0f;
                        } else if(VALVE_DZ_timer > (int) (2.0f * (float) TMR_FREQ_5k)) {
                            Ref_Valve_Pos_Old = valve_pos.ref;
                            FINAL_POS = pos.sen;

                            if((FINAL_POS - START_POS)>100) {
                                DZ_DIRECTION = 1 * DZ_case;
                            } else if((FINAL_POS - START_POS)<-100) {
                                DZ_DIRECTION = -1 * DZ_case;
                            } else {
                                DZ_DIRECTION = -1 * DZ_case;
                            }

                            VALVE_DZ_timer = 0;
                            DZ_index= DZ_index * 2;
                            if(DZ_index >= 128) {
                                SECOND_DZ = valve_pos.ref;
                                VALVE_CENTER = (int) (0.5f * (float) (FIRST_DZ) + 0.5f * (float) (SECOND_DZ));
                                first_check = 0;
                                VALVE_DEADZONE_MINUS = (float) FIRST_DZ;
                                VALVE_DEADZONE_PLUS = (float) SECOND_DZ;

                                ROM_RESET_DATA();

                                CONTROL_UTILITY_MODE = MODE_NO_ACT;
                                DZ_index = 1;
                            }
                        }
                    } else if(DZ_case == 0 && DZ_NUM ==1) {
                        if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
                            Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
                            //pos.ref = 0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end;
                            //CONTROL_MODE = MODE_JOINT_CONTROL;
                        } else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
                            START_POS = pos.sen;
                        } else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
                            valve_pos.ref = Ref_Valve_Pos_Old  - DZ_DIRECTION * 64 / DZ_index;
                            if(valve_pos.ref <= VALVE_MIN_POS) {
                                valve_pos.ref = VALVE_MIN_POS;
                            } else if(valve_pos.ref >= VALVE_MAX_POS) {
                                valve_pos.ref = VALVE_MAX_POS;
                            }
                            VALVE_POS_CONTROL(valve_pos.ref);

                        } else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
                            Ref_Valve_Pos_Old = valve_pos.ref;
                            FINAL_POS = pos.sen;

                            if((FINAL_POS - START_POS)>100) {
                                DZ_DIRECTION = 1;
                            } else if((FINAL_POS - START_POS)<-100) {
                                DZ_DIRECTION = -1;
                            } else {
                                DZ_DIRECTION = 1;
                            }
                            VALVE_DZ_timer = 0;
                            DZ_index= DZ_index *2;
                            if(DZ_index >= 128) {
                                FIRST_DZ = valve_pos.ref;
                                DZ_NUM = 2;
                                Ref_Valve_Pos_Old = FIRST_DZ;
                                DZ_index = 1;
                                DZ_DIRECTION = 1;
                            }
                        }
                    } else {
                        if(VALVE_DZ_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
                            Vout.ref = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
                            //pos.ref = 0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end;
                            //CONTROL_MODE = MODE_JOINT_CONTROL;
                        } else if(VALVE_DZ_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
                            START_POS = pos.sen;
                        } else if(VALVE_DZ_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
                            valve_pos.ref = Ref_Valve_Pos_Old  + DZ_DIRECTION * 64 / DZ_index;
                            if(valve_pos.ref <= VALVE_MIN_POS) {
                                valve_pos.ref = VALVE_MIN_POS;
                            } else if(valve_pos.ref > VALVE_MAX_POS) {
                                valve_pos.ref = VALVE_MAX_POS - 1;
                            }
                            VALVE_POS_CONTROL(valve_pos.ref);

                        } else if(VALVE_DZ_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
                            Vout.ref = 0.0f;
                        } else if(VALVE_DZ_timer > (int) (2.0f * (float) TMR_FREQ_5k)) {
                            Ref_Valve_Pos_Old = valve_pos.ref;
                            FINAL_POS = pos.sen;

                            if((FINAL_POS - START_POS)>100) {
                                DZ_DIRECTION = 1;
                            } else if((FINAL_POS - START_POS)<-100) {
                                DZ_DIRECTION = -1;
                            } else {
                                DZ_DIRECTION = 1;
                            }

                            VALVE_DZ_timer = 0;
                            DZ_index= DZ_index *2;
                            if(DZ_index >= 128) {
                                SECOND_DZ = valve_pos.ref;
                                VALVE_CENTER = (int) (0.5f * (float) (FIRST_DZ) + 0.5f * (float) (SECOND_DZ));
                                first_check = 0;
                                VALVE_DEADZONE_MINUS = (float) FIRST_DZ;
                                VALVE_DEADZONE_PLUS = (float) SECOND_DZ;

                                ROM_RESET_DATA();

                                CONTROL_UTILITY_MODE = MODE_NO_ACT;
                                DZ_index = 1;
                            }
                        }
                    }
                }
                break;
            }

            case MODE_DDV_POS_VS_FLOWRATE: {
                CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
                VALVE_FR_timer = VALVE_FR_timer + 1;
                if(first_check == 0) {
                    if(VALVE_FR_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
                        Vout.ref = VALVE_VOLTAGE_LIMIT * 1000.0f;
                        //CAN_TX_PRES((int16_t) (VALVE_FR_timer), (int16_t) (6));
                    } else if(VALVE_FR_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
                        Vout.ref = VALVE_VOLTAGE_LIMIT * 1000.0f;
                        pos_plus_end = pos.sen;
                        //                    CAN_TX_PRES((int16_t) (V_out), (int16_t) (7));
                    } else if(VALVE_FR_timer < (int) (2.0f * (float) TMR_FREQ_5k)) {
                        Vout.ref = -VALVE_VOLTAGE_LIMIT * 1000.0f;
                    } else if(VALVE_FR_timer == (int) (2.0f * (float) TMR_FREQ_5k)) {
                        //                    CAN_TX_PRES((int16_t) (V_out), (int16_t) (8));
                        Vout.ref = -VALVE_VOLTAGE_LIMIT * 1000.0f;
                        pos_minus_end = pos.sen;
                        first_check = 1;
                        VALVE_FR_timer = 0;
                        valve_pos.ref = (float) VALVE_CENTER;
                        ID_index = 0;
                        max_check = 0;
                        min_check = 0;
                    }
                } else {
                    if(VALVE_FR_timer < (int) (1.0f * (float) TMR_FREQ_5k)) {
                        //V_out = (float) P_GAIN_JOINT_POSITION * (0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen)/(float) ENC_PULSE_PER_POSITION;
                        pos.ref = 0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end;
                        CONTROL_MODE = MODE_JOINT_CONTROL;
                    } else if(VALVE_FR_timer == (int) (1.0f * (float) TMR_FREQ_5k)) {
                        data_num = 0;
                        valve_pos.ref = 10.0f*((float) ID_index_array[ID_index]) + (float) VALVE_CENTER;

                        VALVE_POS_CONTROL(valve_pos.ref);
                        START_POS = pos.sen;
                    } else if(VALVE_FR_timer < (int) (5.0f * (float) TMR_FREQ_5k)) {
                        valve_pos.ref = 10.0f*((float) ID_index_array[ID_index]) + (float) VALVE_CENTER;
                        VALVE_POS_CONTROL(valve_pos.ref);
                        data_num = data_num + 1;
                        if(abs(0.5f * (float) pos_plus_end + 0.5f * (float) pos_minus_end - (float) pos.sen) > 20000.0f) {
                            FINAL_POS = pos.sen;
                            one_period_end = 1;
                        }
                    } else if(VALVE_FR_timer == (int) (5.0f * (float) TMR_FREQ_5k)) {
                        FINAL_POS = pos.sen;
                        one_period_end = 1;
                        V_out = 0.0f;
                    }

                    if(one_period_end == 1) {
                        if(valve_pos.ref > VALVE_MAX_POS) {
                            max_check = 1;
                        } else if(valve_pos.ref < VALVE_MIN_POS) {
                            min_check = 1;
                        }
                        JOINT_VEL[ID_index] = (FINAL_POS - START_POS) / data_num * TMR_FREQ_5k;   //  pulse/sec

                        VALVE_FR_timer = 0;
                        one_period_end = 0;
                        ID_index= ID_index +1;
                        V_out = 0.0f;
                    }

                    if(max_check == 1 && min_check == 1) {

                        VALVE_POS_NUM = ID_index;
                        ROM_RESET_DATA();
                        ID_index = 0;
                        first_check = 0;
                        VALVE_FR_timer = 0;
                        CONTROL_UTILITY_MODE = MODE_NO_ACT;
//                        CAN_TX_PRES((int16_t) (VALVE_FR_timer), (int16_t) (6));
                    }
                }
                break;
            }

            case MODE_SYSTEM_ID: {
                freq_sysid_Iref = (double) cnt_sysid * DT_TMR3 * 3.;
                valve_pos.ref = 2500.0f * sin(2.0f * 3.14159f * freq_sysid_Iref * (double) cnt_sysid * DT_TMR3);
                CONTROL_MODE = MODE_VALVE_OPEN_LOOP;
                cnt_sysid++;
                if (freq_sysid_Iref >= 300) {
                    cnt_sysid = 0;
                    CONTROL_UTILITY_MODE = MODE_NO_ACT;
                }
                break;
            }



            default:
                break;
        }

        // CONTROL MODE ------------------------------------------------------------

        switch (CONTROL_MODE) {
            case MODE_NO_ACT: {
                V_out = 0.0f;
                break;
            }

            case MODE_VALVE_POSITION_CONTROL: {
                if (OPERATING_MODE == 5) { //SW Valve
                    VALVE_POS_CONTROL(valve_pos.ref);
                    V_out = Vout.ref;
                } else if (CURRENT_CONTROL_MODE == 0) { //PWM
                    V_out = valve_pos.ref;
                } else { 
                    I_REF = valve_pos.ref * 0.001f;
                }

                break;
            }

            case MODE_JOINT_CONTROL: {
                double torq_ref = 0.0f;
                pos.err = (pos.ref - pos.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm]
                vel.err = (0.0f - vel.sen)/(float)(ENC_PULSE_PER_POSITION); //[mm/s]
                pos.err_sum += pos.err/(float) TMR_FREQ_5k; //[mm]
                
                //K & D Low Pass Filter
                float alpha_K_D = 1.0f/(1.0f + 5000.0f/(2.0f*3.14f*30.0f)); // f_cutoff : 30Hz
                K_LPF = K_LPF*(1.0f-alpha_K_D)+K_SPRING*(alpha_K_D);
                D_LPF = D_LPF*(1.0f-alpha_K_D)+D_DAMPER*(alpha_K_D);
                
                torq_ref = torq.ref + K_LPF * pos.err - D_LPF * vel.sen / ENC_PULSE_PER_POSITION; //[N]

                // torque feedback
                torq.err = torq_ref - torq.sen; //[N]
                torq.err_sum += torq.err/(float) TMR_FREQ_5k; //[N]

                if (((OPERATING_MODE&0b110)>>1) == 0 || ((OPERATING_MODE&0b110)>>1) == 1) {

                    double I_REF_POS = 0.0f;
                    double I_REF_FORCE_FB = 0.0f; // I_REF by Force Feedback
                    double I_REF_VC = 0.0f; // I_REF for velocity compensation

                    double temp_vel_pos = 0.0f;
                    double temp_vel_torq = 0.0f;
                    double wn_Pos = 2.0f * PI * 5.0f; // f_cut : 5Hz Position Control

                    if ((OPERATING_MODE & 0x01) == 0) { // Rotary Mode
                        temp_vel_pos = (0.01f * (double) P_GAIN_JOINT_POSITION * wn_Pos * pos.err + 0.01f * (double) I_GAIN_JOINT_POSITION * wn_Pos * pos.err_sum + 0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / ENC_PULSE_PER_POSITION) * PI / 180.0f; // rad/s
                        //                            L when P-gain = 100, f_cut = 10Hz                                 L feedforward velocity
                    } else if ((OPERATING_MODE & 0x01) == 1) {
                        temp_vel_pos = (0.01f * (double) P_GAIN_JOINT_POSITION * wn_Pos * pos.err + 0.01f * (double) I_GAIN_JOINT_POSITION * wn_Pos * pos.err_sum + 0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / ENC_PULSE_PER_POSITION); // mm/s
                        //                            L when P-gain = 100, f_cut = 10Hz                                 L feedforward velocity
                    }
                    if (temp_vel_pos > 0.0f) I_REF_POS = temp_vel_pos * ((double) PISTON_AREA_A * 0.00006f / (K_v * sqrt(2.0f * alpha3 / (alpha3 + 1.0f))));
                    else I_REF_POS = temp_vel_pos * ((double) PISTON_AREA_B * 0.00006f / (K_v * sqrt(2.0f / (alpha3 + 1.0f))));

                    // velocity compensation for torque control
                    if ((OPERATING_MODE & 0x01) == 0) { // Rotary Mode
                        I_REF_FORCE_FB = 0.001f * ((double) P_GAIN_JOINT_TORQUE * torq.err + (double) I_GAIN_JOINT_TORQUE * torq.err_sum);
                        //                temp_vel_torq = (0.01 * (double) VELOCITY_COMP_GAIN * (double) CUR_VELOCITY / (double) ENC_PULSE_PER_POSITION) * PI / 180.0; // rad/s
                        temp_vel_torq = (0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / (double) ENC_PULSE_PER_POSITION) * PI / 180.0f; // rad/s
                        //                                                          L feedforward velocity
                    } else if ((OPERATING_MODE & 0x01) == 1) {
                        I_REF_FORCE_FB = 0.001f * 0.01f*((double) P_GAIN_JOINT_TORQUE * torq.err + (double) I_GAIN_JOINT_TORQUE * torq.err_sum); // Linear Actuators are more sensitive.
                        //                temp_vel_torq = (0.01 * (double) VELOCITY_COMP_GAIN * (double) CUR_VELOCITY / (double) ENC_PULSE_PER_POSITION); // mm/s
                        temp_vel_torq = (0.01f * (double) VELOCITY_COMP_GAIN * vel.ref / (double) ENC_PULSE_PER_POSITION); // mm/s
                        //                                                          L feedforward velocity
                    }
                    if (temp_vel_torq > 0.0f) I_REF_VC = temp_vel_torq * ((double) PISTON_AREA_A * 0.00006f / (K_v * sqrt(2.0f * alpha3 / (alpha3 + 1.0f))));
                    else I_REF_VC = temp_vel_torq * ((double) PISTON_AREA_B * 0.00006f / (K_v * sqrt(2.0f / (alpha3 + 1.0f))));
                    //                                                  L   velocity(rad/s or mm/s) >> I_ref(mA)
                    //            Ref_Joint_FT_dot = (Ref_Joint_FT_Nm - Ref_Joint_FT_Nm_old) / TMR_DT_5k;
                    //            Ref_Joint_FT_Nm_old = Ref_Joint_FT_Nm;

                    I_REF = (1.0f - alpha_trans) * I_REF_POS + alpha_trans * (I_REF_VC + I_REF_FORCE_FB);
                    
                    // Anti-windup for FT
                    if (I_GAIN_JOINT_TORQUE != 0) {
                        double I_MAX = 10.0f; // Maximum Current : 10mV
                        double Ka = 2.0f / ((double) I_GAIN_JOINT_TORQUE * 0.001f);
                        if (I_REF > I_MAX) {
                            double I_rem = I_REF - I_MAX;
                            I_rem = Ka*I_rem;
                            I_REF = I_MAX;
                            torq.err_sum = torq.err_sum - I_rem /(float) TMR_FREQ_5k;
                        } else if (I_REF < -I_MAX) {
                            double I_rem = I_REF - (-I_MAX);
                            I_rem = Ka*I_rem;
                            I_REF = -I_MAX;
                            torq.err_sum = torq.err_sum - I_rem /(float) TMR_FREQ_5k;
                        }
                    }

                } else {
                    float VALVE_POS_RAW_FORCE_FB = 0.0f;
                    float VALVE_POS_RAW_FORCE_FF = 0.0f;
                    float VALVE_POS_RAW = 0.0f;
                    
                    VALVE_POS_RAW_FORCE_FB = alpha_trans*(((float) P_GAIN_JOINT_TORQUE * torq.err + (float) I_GAIN_JOINT_TORQUE * torq.err_sum) * 0.01f
                                                          + DDV_JOINT_POS_FF(vel.sen))+ (1.0f-alpha_trans) * (P_GAIN_JOINT_POSITION * 0.01f * pos.err + DDV_JOINT_POS_FF(vel.ref));

                    VALVE_POS_RAW_FORCE_FF = P_GAIN_JOINT_TORQUE_FF * torq_ref * 0.001f + D_GAIN_JOINT_TORQUE_FF * (torq_ref - torq_ref_past) * 0.0001f;
                    
                    VALVE_POS_RAW = VALVE_POS_RAW_FORCE_FB + VALVE_POS_RAW_FORCE_FF;
                    
                    
                    if (VALVE_POS_RAW >= 0) {
                        valve_pos.ref = VALVE_POS_RAW + VALVE_DEADZONE_PLUS;
                    } else {
                        valve_pos.ref = VALVE_POS_RAW + VALVE_DEADZONE_MINUS;
                    }

                    if(I_GAIN_JOINT_TORQUE != 0) {
                        double Ka = 1.0f / (double) I_GAIN_JOINT_TORQUE * 100.0f;
                        if(valve_pos.ref>VALVE_MAX_POS) {
                            double valve_pos_rem = valve_pos.ref - VALVE_MAX_POS;
                            valve_pos_rem = valve_pos_rem * Ka;
                            valve_pos.ref = VALVE_MAX_POS;
                            torq.err_sum = torq.err_sum - valve_pos_rem/(float) TMR_FREQ_5k;
                        } else if(valve_pos.ref < VALVE_MIN_POS) {
                            double valve_pos_rem = valve_pos.ref - VALVE_MIN_POS;
                            valve_pos_rem = valve_pos_rem * Ka;
                            valve_pos.ref = VALVE_MIN_POS;
                            torq.err_sum = torq.err_sum - valve_pos_rem/(float) TMR_FREQ_5k;
                        }
                    }

                    VALVE_POS_CONTROL(valve_pos.ref);

//                    Vout.ref = (float) P_GAIN_JOINT_POSITION * 0.01f * ((float) pos.err);
                    V_out = (float) Vout.ref;

                }
                
                torq_ref_past = torq_ref;

                break;
            }

            case MODE_VALVE_OPEN_LOOP: {
                V_out = (float) Vout.ref;
                break;
            }

            default:
                break;
        }


        if (((OPERATING_MODE&0b110)>>1) == 0 || ((OPERATING_MODE&0b110)>>1) == 1) { //Moog Valve or KNR Valve

            ////////////////////////////////////////////////////////////////////////////
            ////////////////////////////  CURRENT CONTROL //////////////////////////////
            ////////////////////////////////////////////////////////////////////////////
            if (CURRENT_CONTROL_MODE) {
                double alpha_update_Iref = 1.0f / (1.0f + 5000.0f / (2.0f * 3.14f * 300.0f)); // f_cutoff : 500Hz
                I_REF_fil = (1.0f - alpha_update_Iref) * I_REF_fil + alpha_update_Iref*I_REF;

                I_ERR = I_REF_fil - cur.sen;
                I_ERR_INT = I_ERR_INT + (I_ERR) * 0.0002f;


                // Moog Valve Current Control Gain
                double R_model = 500.0f; // ohm
                double L_model = 1.2f;
                double w0 = 2.0f * 3.14f * 150.0f;
                double KP_I = 0.1f * L_model*w0;
                double KI_I = 0.1f * R_model*w0;

                // KNR Valve Current Control Gain
                if (((OPERATING_MODE & 0b110)>>1) == 1) { // KNR Valve
                    R_model = 163.0f; // ohm
                    L_model = 1.0f;
                    w0 = 2.0f * 3.14f * 80.0f;
                    KP_I = 1.0f * L_model*w0;
                    KI_I = 0.08f * R_model*w0;
                }

                double FF_gain = 1.0f;

                VALVE_PWM_RAW = KP_I * 2.0f * I_ERR + KI_I * 2.0f* I_ERR_INT;
                //        VALVE_PWM_RAW = VALVE_PWM_RAW + FF_gain * (R_model*I_REF); // Unit : mV
                I_REF_fil_diff = I_REF_fil - I_REF_fil_old;
                I_REF_fil_old = I_REF_fil;
//                VALVE_PWM_RAW = VALVE_PWM_RAW + FF_gain * (R_model * I_REF_fil + L_model * I_REF_fil_diff * 5000.0f); // Unit : mV
                VALVE_PWM_RAW = VALVE_PWM_RAW + FF_gain * (R_model * I_REF_fil); // Unit : mV
                double V_MAX = 12000.0f; // Maximum Voltage : 12V = 12000mV

                double Ka = 3.0f / KP_I;
                if (VALVE_PWM_RAW > V_MAX) {
                    V_rem = VALVE_PWM_RAW - V_MAX;
                    V_rem = Ka*V_rem;
                    VALVE_PWM_RAW = V_MAX;
                    I_ERR_INT = I_ERR_INT - V_rem * 0.0002f;
                } else if (VALVE_PWM_RAW < -V_MAX) {
                    V_rem = VALVE_PWM_RAW - (-V_MAX);
                    V_rem = Ka*V_rem;
                    VALVE_PWM_RAW = -V_MAX;
                    I_ERR_INT = I_ERR_INT - V_rem * 0.0002f;
                }
                Cur_Valve_Open_pulse = cur.sen / mA_PER_pulse;
            } else {
                VALVE_PWM_RAW = I_REF * mV_PER_mA;
                Cur_Valve_Open_pulse = I_REF / mA_PER_pulse;
            }

            ////////////////////////////////////////////////////////////////////////////
            /////////////////  Dead Zone Cancellation & Linearization //////////////////
            ////////////////////////////////////////////////////////////////////////////
            // Dead Zone Cancellation (Mechanical Valve dead-zone)
            if (FLAG_VALVE_DEADZONE) {
                if (VALVE_PWM_RAW > 0) VALVE_PWM_RAW = VALVE_PWM_RAW + VALVE_DEADZONE_PLUS * mV_PER_pulse; // unit: mV
                else if (VALVE_PWM_RAW < 0) VALVE_PWM_RAW = VALVE_PWM_RAW + VALVE_DEADZONE_MINUS * mV_PER_pulse; // unit: mV

                VALVE_PWM_VALVE_DZ = VALVE_PWM_RAW + (double)VALVE_CENTER * mV_PER_pulse; // unit: mV

            } else {
                VALVE_PWM_VALVE_DZ = VALVE_PWM_RAW;
            }

            // Output Voltage Linearization
            double CUR_PWM_nonlin = VALVE_PWM_VALVE_DZ; // Unit : mV
            double CUR_PWM_lin = PWM_duty_byLT(CUR_PWM_nonlin);  // -8000~8000

            // Dead Zone Cancellation (Electrical dead-zone)
            if (CUR_PWM_lin > 0) V_out = (float) (CUR_PWM_lin + 169.0f);
            else if (CUR_PWM_lin < 0) V_out = (float) (CUR_PWM_lin - 174.0f);
            else V_out = (float) (CUR_PWM_lin);
        }
        
//        if(V_out > 0.0f) V_out = (float) (V_out + 169.0f);
//        else if(V_out < 0.0f) V_out = (float) (V_out - 174.0f);
//        else V_out = V_out;
    
        /*******************************************************
        ***     PWM
        ********************************************************/
        if(DIR_VALVE<0){
            V_out = -V_out;
        }
        
        if (V_out >= VALVE_VOLTAGE_LIMIT*1000.0f) {
            V_out = VALVE_VOLTAGE_LIMIT*1000.0f;
        } else if(V_out<=-VALVE_VOLTAGE_LIMIT*1000.0f) {
            V_out = -VALVE_VOLTAGE_LIMIT*1000.0f;
        }
        PWM_out= V_out/(SUPPLY_VOLTAGE*1000.0f); // Full duty : 12000.0mV

        // Saturation of output voltage to 12.0V
        if(PWM_out > 1.0f) PWM_out=1.0f;
        else if (PWM_out < -1.0f) PWM_out=-1.0f;

        if (PWM_out>0.0f) {
            dtc_v=0.0f;
            dtc_w=PWM_out;
        } else {
            dtc_v=-PWM_out;
            dtc_w=0.0f;
        }

        //pwm
        TIM4->CCR2 = (PWM_ARR)*(1.0f-dtc_v);
        TIM4->CCR1 = (PWM_ARR)*(1.0f-dtc_w);


        if (TMR2_COUNT_CAN_TX % (int) ((int) TMR_FREQ_5k/CAN_FREQ) == 0) {

            // Position, Velocity, and Torque (ID:1200)
            if (flag_data_request[0] == HIGH) {
                if ((OPERATING_MODE & 0b01) == 0) { // Rotary Actuator
                    if (SENSING_MODE == 0) {
                        CAN_TX_POSITION_FT((int16_t) (pos.sen), (int16_t) (vel.sen/10.0f), (int16_t) (torq.sen*10.0f));
                    } else if (SENSING_MODE == 1) {
                        CAN_TX_POSITION_PRESSURE((int16_t) (pos.sen), (int16_t) (vel.sen/10.0f), (int16_t) ((pres_A.sen)*5.0f), (int16_t) ((pres_B.sen)*5.0f));
                    }
                } else if ((OPERATING_MODE & 0b01) == 1) { // Linear Actuator
                    if (SENSING_MODE == 0) {
                        CAN_TX_POSITION_FT((int16_t) (pos.sen/10.0f), (int16_t) (vel.sen/256.0f), (int16_t) (torq.sen * 10.0f * (float)(TORQUE_SENSOR_PULSE_PER_TORQUE)));
                    } else if (SENSING_MODE == 1) {
                        CAN_TX_POSITION_PRESSURE((int16_t) (pos.sen/10.0f), (int16_t) (vel.sen/256.0f), (int16_t) ((pres_A.sen)*5.0f), (int16_t) ((pres_B.sen)*5.0f));
                    }
                }
            }
            if (flag_data_request[1] == HIGH) {
                //valve position
                double t_value = 0;
                if(valve_pos.ref>=(float) VALVE_CENTER) {
                    t_value = 10000.0f*((double)valve_pos.ref - (double)VALVE_CENTER)/((double)VALVE_MAX_POS - (double)VALVE_CENTER);
                } else {
                    t_value = -10000.0f*((double)valve_pos.ref - (double)VALVE_CENTER)/((double)VALVE_MIN_POS - (double)VALVE_CENTER);
                }
//                if(OPERATING_MODE==5) {
//                    t_value = (double) value;
//                } else if(CURRENT_CONTROL_MODE==1) {
//                    t_value = cur.sen;
//                } else {
//                    t_value = V_out;
//                }
                CAN_TX_TORQUE((int16_t) (t_value)); //1300
                //CAN_TX_TORQUE((int16_t) (cur.sen * 1000.0f)); //1300
                //CAN_TX_TORQUE((int16_t) (I_REF * 1000.0f)); //1300
            }


            if (flag_data_request[2] == HIGH) {
                //pressure A and B
                CAN_TX_PRES((int16_t) (pres_A.sen), (int16_t) (pres_B.sen)); // CUR_PRES_X : 0(0bar)~4096(210bar) //1400
            }

            //If it doesn't rest, below can can not work.
            for (can_rest = 0; can_rest < 10000; can_rest++) {
                ;
            }

            if (flag_data_request[3] == HIGH) {
                //PWM
                //CAN_TX_PWM((int16_t) value); //1500
                CAN_TX_PWM((int16_t) input_NN[0] * 100.0f); //1500
            }
            //for (i = 0; i < 10000; i++) {
//                ;
//            }
            if (flag_data_request[4] == HIGH) {
                //valve position
                CAN_TX_VALVE_POSITION((int16_t) (input_NN[1] * 100.0f), (int16_t) (input_NN[2]* 100.0f), (int16_t) (input_NN[3]* 100.0f), (int16_t) (input_NN[4]* 100.0f)); //1600
            }

            // Others : Reference position, Reference FT, PWM, Current  (ID:1300)
//        if (flag_data_request[1] == HIGH) {
//            CAN_TX_SOMETHING((int) (FORCE_VREF), (int16_t) (1), (int16_t) (2), (int16_t) (3));
//        }
            //if (flag_delay_test == 1){
            //CAN_TX_PRES((int16_t) (0),(int16_t) torq_ref);
            //}

            TMR2_COUNT_CAN_TX = 0;
        }
        TMR2_COUNT_CAN_TX++;

    }
    TIM3->SR = 0x0;  // reset the status register

}