File content as of revision 161:a3b26117104c:

#include "function_CAN.h"
#include "setting.h"
#include "function_utilities.h"
#include "SPI_EEP_ENC.h"
#include "stm32f4xx_flash.h"
#include "FlashWriter.h"

// CAN ID Setting Variables
int CID_RX_CMD = 100;
int CID_RX_REF_POSITION = 200;
int CID_RX_REF_VALVE_POS = 300;
int CID_RX_REF_PWM = 400;

int CID_TX_INFO = 1100;
int CID_TX_POSITION = 1200;
int CID_TX_TORQUE = 1300;
int CID_TX_PRES = 1400;
int CID_TX_VOUT = 1500;
int CID_TX_VALVE_POSITION = 1600;

// variables
uint8_t can_index = 0;

extern DigitalOut LED;

extern float u_past[];
extern float x_past[];
extern float x_future[];
extern float f_past[];
extern float f_future[];
extern float input_NN[];

/*******************************************************************************
 * CAN functions
 ******************************************************************************/
void CAN_ID_INIT(void) {

    CID_RX_CMD = (int) (BNO + INIT_CID_RX_CMD);
    CID_RX_REF_POSITION = (int) (BNO + INIT_CID_RX_REF_POSITION);
    CID_RX_REF_VALVE_POS = (int) (BNO + INIT_CID_RX_REF_VALVE_POS);
    CID_RX_REF_PWM = (int) (BNO + INIT_CID_RX_REF_PWM);

    CID_TX_INFO = (int) (BNO + INIT_CID_TX_INFO);
    CID_TX_POSITION = (int) (BNO + INIT_CID_TX_POSITION);
    CID_TX_TORQUE = (int) (BNO + INIT_CID_TX_TORQUE);
    CID_TX_PRES = (int) (BNO + INIT_CID_TX_PRES);
    CID_TX_VOUT = (int) (BNO + INIT_CID_TX_VOUT);
    CID_TX_VALVE_POSITION = (int) (BNO + INIT_CID_TX_VALVE_POSITION);
}

void ReadCMD(int16_t CMD)
{
    switch(CMD){
        case CRX_ASK_INFO: {
            CAN_TX_INFO();
            break;
        }
        case CRX_ASK_BNO: {
            CAN_TX_BNO();
            break;
        }
        case CRX_SET_BNO: {
            BNO = (int16_t) msg.data[1];
            
            ROM_RESET_DATA();
            
            //spi_eeprom_write(RID_BNO, (int16_t) BNO);
            CAN_ID_INIT(); // can id init
            break;
        }
        case CRX_ASK_OPERATING_MODE: {
            CAN_TX_OPERATING_MODE();
            break;
        }
        case CRX_SET_OPERATING_MODE: {
            OPERATING_MODE = (uint8_t) msg.data[1];
            SENSING_MODE = (uint8_t) msg.data[2];
            CURRENT_CONTROL_MODE = (uint8_t) msg.data[3];
            FLAG_VALVE_DEADZONE = (uint8_t) msg.data[4];
            ROM_RESET_DATA();
            break;
        }
        case CRX_SET_ENC_ZERO: {
            ENC_SET_ZERO();

            break;
        }
        case CRX_SET_FET_ON: {

            break;
        }

        case CRX_SET_POS_TORQ_TRANS: {
            MODE_POS_FT_TRANS = (int16_t) msg.data[1];
            /*
            MODE_POS_FT_TRANS == 0 : Position Control
            MODE_POS_FT_TRANS == 1 : Trasition(Position->Torque)
            MODE_POS_FT_TRANS == 2 : Torque Control (Convert to 2 automatically 3sec after transition)
            MODE_POS_FT_TRANS == 3 : Transition(Toque->Position)
            */
            break;
        }

        case CRX_ASK_CAN_FREQ: {
            CAN_TX_CAN_FREQ();

            break;
        }

        case CRX_SET_CAN_FREQ: {
            CAN_FREQ = (int16_t) (msg.data[1] | msg.data[2] << 8);
            ROM_RESET_DATA();
            break;
        }

        case CRX_ASK_CONTROL_MODE: {
            CAN_TX_CONTROL_MODE();

            break;
        }

        case CRX_SET_CONTROL_MODE: {
            //CONTROL_MODE = (int16_t) (msg.data[1]);
            CONTROL_UTILITY_MODE = (int16_t) (msg.data[1]);
            if (CONTROL_MODE == 22) {    //MODE_FIND_HOME
                FLAG_FIND_HOME = true;
            }
            break;
        }

        case CRX_SET_DATA_REQUEST: {
            int request_type = msg.data[2];
            flag_data_request[request_type] = msg.data[1];
            //pc.printf("can middle %d\n", request_type);

//            if (flag_data_request[1] == HIGH) SPI_VREF_DAC_WRITE(PRES_A_VREF, PRES_B_VREF, TORQUE_VREF, 0); // set DAC
            //if (flag_data_request[1] == HIGH) dac_1 = PRES_A_VREF/3.3;
//            if (flag_data_request[2] == HIGH) SPI_VREF_DAC_WRITE(PRES_A_VREF, PRES_B_VREF, TORQUE_VREF, 0); // set DAC
            //if (flag_data_request[2] == HIGH) dac_2 = PRES_B_VREF/3.3;

            break;
        }

        case CRX_ASK_JOINT_ENC_DIR: {
            CAN_TX_JOINT_ENC_DIR();

            break;
        }

        case CRX_SET_JOINT_ENC_DIR: {
            DIR_JOINT_ENC = (int16_t) (msg.data[1] | msg.data[2] << 8);
            if (DIR_JOINT_ENC >= 0)
                DIR_JOINT_ENC = 1;
            else
                DIR_JOINT_ENC = -1;
                
            ROM_RESET_DATA();   
            
            //spi_eeprom_write(RID_JOINT_ENC_DIR, (int16_t) DIR_JOINT_ENC);

            break;
        }

        case CRX_ASK_VALVE_DIR: {
            CAN_TX_VALVE_DIR();

            break;
        }

        case CRX_SET_VALVE_DIR: {
            DIR_VALVE = (int16_t) (msg.data[1] | msg.data[2] << 8);
            if (DIR_VALVE >= 0)
                DIR_VALVE = 1;
            else
                DIR_VALVE = -1;
                
            ROM_RESET_DATA();    
            
            //spi_eeprom_write(RID_VALVE_DIR, (int16_t) DIR_VALVE);

            break;
        }

        case CRX_ASK_VALVE_ENC_DIR: {
            CAN_TX_VALVE_ENC_DIR();

            break;
        }

        case CRX_SET_VALVE_ENC_DIR: {
            DIR_VALVE_ENC = (int16_t) (msg.data[1] | msg.data[2] << 8);
            if (DIR_VALVE_ENC >= 0)
                DIR_VALVE_ENC = 1;
            else
                DIR_VALVE_ENC = -1;
                
            ROM_RESET_DATA();

            //spi_eeprom_write(RID_VALVE_ENC_DIR, (int16_t) DIR_VALVE_ENC);

            break;
        }

        case CRX_ASK_VOLTAGE_SUPPLY: {
            CAN_TX_VOLTAGE_SUPPLY();

            break;
        }

        case CRX_SET_VOLTAGE_SUPPLY: {
            SUPPLY_VOLTAGE = (double) ((int16_t) (msg.data[1] | msg.data[2] << 8)) / 10.0f;
            
            ROM_RESET_DATA();
            
            //spi_eeprom_write(RID_VOLATGE_SUPPLY, (int16_t) (SUPPLY_VOLTAGE * 10.));

            break;
        }

        case CRX_ASK_VOLTAGE_VALVE: {
            CAN_TX_VOLTAGE_VALVE();

            break;
        }

        case CRX_SET_VOLTAGE_VALVE: {
            VALVE_VOLTAGE_LIMIT = (double) ((int16_t) (msg.data[1] | msg.data[2] << 8)) / 10.0f;
            
            ROM_RESET_DATA();
            
            //spi_eeprom_write(RID_VOLTAGE_VALVE, (int16_t) (VALVE_VOLTAGE_LIMIT * 10.));


            break;
        }

        case CRX_SET_HOMEPOS: {
            //CONTROL_MODE = 22;
            CONTROL_UTILITY_MODE = 22;
            break;
        }

        case CRX_ASK_PID_GAIN: {
            CAN_TX_PID_GAIN(msg.data[1]);

            break;
        }

        case CRX_SET_PID_GAIN: {
            if (msg.data[1] == 0) {
                P_GAIN_VALVE_POSITION = (int16_t) (msg.data[2] | msg.data[3] << 8);
                I_GAIN_VALVE_POSITION = (int16_t) (msg.data[4] | msg.data[5] << 8);
                D_GAIN_VALVE_POSITION = (int16_t) (msg.data[6] | msg.data[7] << 8);
                
                ROM_RESET_DATA();

            } else if (msg.data[1] == 1) {
                P_GAIN_JOINT_POSITION = (int16_t) (msg.data[2] | msg.data[3] << 8);
                I_GAIN_JOINT_POSITION = (int16_t) (msg.data[4] | msg.data[5] << 8);
                D_GAIN_JOINT_POSITION = (int16_t) (msg.data[6] | msg.data[7] << 8);
                
                ROM_RESET_DATA();
                
            } else if (msg.data[1] == 2) {
                P_GAIN_JOINT_TORQUE = (int16_t) (msg.data[2] | msg.data[3] << 8);
                I_GAIN_JOINT_TORQUE = (int16_t) (msg.data[4] | msg.data[5] << 8);
                D_GAIN_JOINT_TORQUE = (int16_t) (msg.data[6] | msg.data[7] << 8);
                
                ROM_RESET_DATA();
                
            } else if (msg.data[1] == 3) {
                K_SPRING = (float) (((float) ((int16_t) (msg.data[2] | msg.data[3] << 8))) * 0.1f);
                D_DAMPER = (float) (((float) ((int16_t) (msg.data[4] | msg.data[5] << 8))) * 0.01f);
                
//                ROM_RESET_DATA();     //For Real-time changing
            } else if (msg.data[1] == 4) {
                P_GAIN_JOINT_TORQUE_FF = (int16_t) (msg.data[2] | msg.data[3] << 8);
                I_GAIN_JOINT_TORQUE_FF = (int16_t) (msg.data[4] | msg.data[5] << 8);
                D_GAIN_JOINT_TORQUE_FF = (int16_t) (msg.data[6] | msg.data[7] << 8);
                
                ROM_RESET_DATA();
            }

            break;
        }

        case CRX_ASK_VALVE_DEADZONE: {
            CAN_TX_VALVE_DEADZONE();

            break;
        }

        case CRX_SET_VALVE_DEADZONE: {
            VALVE_CENTER = (int16_t) (msg.data[1] | msg.data[2] << 8);
            VALVE_DEADZONE_PLUS = (int16_t) (msg.data[3] | msg.data[4] << 8);
            VALVE_DEADZONE_MINUS = (int16_t) (msg.data[5] | msg.data[6] << 8);
            
            ROM_RESET_DATA();

            break;
        }

        case CRX_ASK_VELOCITY_COMP_GAIN: {
            CAN_TX_VELOCITY_COMP_GAIN();

            break;
        }

        case CRX_SET_VELOCITY_COMP_GAIN: {
            VELOCITY_COMP_GAIN = (int16_t) (msg.data[1] | msg.data[2] << 8);
            
            ROM_RESET_DATA();
            
            //spi_eeprom_write(RID_VELOCITY_COMP_GAIN, (int16_t) VELOCITY_COMP_GAIN);

            break;
        }

        case CRX_ASK_COMPLIANCE_GAIN: {
            CAN_TX_COMPLIANCE_GAIN();

            break;
        }

        case CRX_SET_COMPLIANCE_GAIN: {
            COMPLIANCE_GAIN = (int16_t) (msg.data[1] | msg.data[2] << 8);

            ROM_RESET_DATA();
            
            //spi_eeprom_write(RID_COMPLIANCE_GAIN, (int16_t) COMPLIANCE_GAIN);

            break;
        }

        case CRX_ASK_VALVE_FF: {
            CAN_TX_VALVE_FF();

            break;
        }

        case CRX_SET_VALVE_FF: {
            VALVE_FF = (int16_t) (msg.data[1] | msg.data[2] << 8);
            
            ROM_RESET_DATA();
            
            //spi_eeprom_write(RID_VALVE_FF, (int16_t) VALVE_FF);

            break;
        }

        case CRX_ASK_BULK_MODULUS: {
            CAN_TX_BULK_MODULUS();

            break;
        }

        case CRX_SET_BULK_MODULUS: {
            BULK_MODULUS = (int16_t) (msg.data[1] | msg.data[2] << 8);
            
            ROM_RESET_DATA();
            
            //spi_eeprom_write(RID_BULK_MODULUS, (int16_t) BULK_MODULUS);

            break;
        }

        case CRX_ASK_CHAMBER_VOLUME: {
            CAN_TX_CHAMBER_VOLUME();

            break;
        }

        case CRX_SET_CHAMBER_VOLUME: {
            CHAMBER_VOLUME_A = (int16_t) (msg.data[1] | msg.data[2] << 8);
            CHAMBER_VOLUME_B = (int16_t) (msg.data[3] | msg.data[4] << 8);

            ROM_RESET_DATA();
    
            //spi_eeprom_write(RID_CHAMBER_VOLUME_A, (int16_t) CHAMBER_VOLUME_A);
            //spi_eeprom_write(RID_CHAMBER_VOLUME_B, (int16_t) CHAMBER_VOLUME_B);

            break;
        }

        case CRX_ASK_PISTON_AREA: {
            CAN_TX_PISTON_AREA();

            break;
        }

        case CRX_SET_PISTON_AREA: {
            PISTON_AREA_A = (int16_t) (msg.data[1] | msg.data[2] << 8);
            PISTON_AREA_B = (int16_t) (msg.data[3] | msg.data[4] << 8);
            PISTON_AREA_alpha = (double)PISTON_AREA_A/(double)PISTON_AREA_B;
            alpha3 = PISTON_AREA_alpha * PISTON_AREA_alpha*PISTON_AREA_alpha;
            
            ROM_RESET_DATA();
            
            //spi_eeprom_write(RID_PISTON_AREA_A, (int16_t) PISTON_AREA_A);
            //spi_eeprom_write(RID_PISTON_AREA_B, (int16_t) PISTON_AREA_B);
            break;
        }

        case CRX_ASK_PRES: {
            CAN_TX_PRES_A_AND_B();
//            SPI_VREF_DAC_WRITE(PRES_A_VREF, PRES_B_VREF, TORQUE_VREF, 0);
            //dac_1 = PRES_A_VREF;
            //dac_2 = PRES_B_VREF;
            
            break;
        }

        case CRX_SET_PRES: {
            PRES_SUPPLY = (int16_t) (msg.data[1] | msg.data[2] << 8);
            PRES_RETURN = (int16_t) (msg.data[3] | msg.data[4] << 8);
            ROM_RESET_DATA();
            //spi_eeprom_write(RID_PRES_SUPPLY, (int16_t) PRES_SUPPLY);
            //spi_eeprom_write(RID_PRES_RETURN, (int16_t) PRES_RETURN);


            break;
        }

        case CRX_ASK_ENC_LIMIT: {
            CAN_TX_ENC_LIMIT();

            break;
        }

        case CRX_SET_ENC_LIMIT: {
            ENC_LIMIT_MINUS = (int16_t) (msg.data[1] | msg.data[2] << 8);
            ENC_LIMIT_PLUS = (int16_t) (msg.data[3] | msg.data[4] << 8);
            ROM_RESET_DATA();
            //spi_eeprom_write(RID_ENC_LIMIT_MINUS, (int16_t) ENC_LIMIT_MINUS);
            //spi_eeprom_write(RID_ENC_LIMIT_PLUS, (int16_t) ENC_LIMIT_PLUS);

            break;
        }

        case CRX_ASK_STROKE: {
            CAN_TX_STROKE();
            break;
        }

        case CRX_SET_STROKE: {
            STROKE = (int16_t) (msg.data[1] | msg.data[2] << 8);
            ROM_RESET_DATA();
            //spi_eeprom_write(RID_STROKE, (int16_t) STROKE);

            break;
        }

        case CRX_ASK_VALVE_LIMIT: {
            CAN_TX_VALVE_LIMIT();

            break;
        }

        case CRX_SET_VALVE_LIMIT: {
            VALVE_MIN_POS = (int16_t) (msg.data[1] | msg.data[2] << 8);
            VALVE_MAX_POS = (int16_t) (msg.data[3] | msg.data[4] << 8);
            ROM_RESET_DATA();

            break;
        }

        case CRX_ASK_ENC_PULSE_PER_POSITION: {
            CAN_TX_ENC_PULSE_PER_POSITION();

            break;
        }

        case CRX_SET_ENC_PULSE_PER_POSITION: {
            ENC_PULSE_PER_POSITION = (int16_t) (msg.data[1] | msg.data[2] << 8);
            ROM_RESET_DATA();
            //spi_eeprom_write(RID_ENC_PULSE_PER_POSITION, (int16_t) ENC_PULSE_PER_POSITION);

            break;
        }

        case CRX_ASK_TORQUE_SENSOR_PULSE_PER_TORQUE: {
            CAN_TX_TORQUE_SENSOR_PULSE_PER_TORQUE();

            break;
        }

        case CRX_SET_TORQUE_SENSOR_PULSE_PER_TORQUE: {
            TORQUE_SENSOR_PULSE_PER_TORQUE = (float) ((int16_t) (msg.data[1] | msg.data[2] << 8) * 0.0001f);
            ROM_RESET_DATA();
            //spi_eeprom_write(RID_TORQUE_SENSOR_PULSE_PER_TORQUE, (int16_t) TORQUE_SENSOR_PULSE_PER_TORQUE);

            break;
        }

        case CRX_ASK_PRES_SENSOR_PULSE_PER_PRES: {
            CAN_TX_PRES_SENSOR_PULSE_PER_PRES();

            break;
        }

        case CRX_SET_PRES_SENSOR_PULSE_PER_PRES: {
            PRES_SENSOR_A_PULSE_PER_BAR = (double) ((int16_t) (msg.data[1] | msg.data[2] << 8)) * 0.01f;
            PRES_SENSOR_B_PULSE_PER_BAR = (double) ((int16_t) (msg.data[3] | msg.data[4] << 8)) * 0.01f;
            ROM_RESET_DATA();
            //spi_eeprom_write(RID_PRES_SENSOR_A_PULSE_PER_BAR, (int16_t) (PRES_SENSOR_A_PULSE_PER_BAR * 100.));
            //(RID_PRES_SENSOR_B_PULSE_PER_BAR, (int16_t) (PRES_SENSOR_B_PULSE_PER_BAR * 100.));

            break;
        }

        case CRX_ASK_FRICTION: {
            CAN_TX_FRICTION();

            break;
        }

        case CRX_SET_FRICTION: {
            FRICTION = (double) ((int16_t) (msg.data[1] | msg.data[2] << 8)) / 10.0f;
            ROM_RESET_DATA();
            //spi_eeprom_write(RID_FRICTION, (int16_t) (FRICTION * 10.));

            break;
        }

        case CRX_ASK_VALVE_GAIN_PLUS: {
            CAN_TX_VALVE_GAIN_PLUS();

            break;
        }
        case CRX_SET_VALVE_GAIN_PLUS: {
            VALVE_GAIN_LPM_PER_V[0] = (double) msg.data[1] / 50.0f;
            VALVE_GAIN_LPM_PER_V[2] = (double) msg.data[2] / 50.0f;
            VALVE_GAIN_LPM_PER_V[4] = (double) msg.data[3] / 50.0f;
            VALVE_GAIN_LPM_PER_V[6] = (double) msg.data[4] / 50.0f;
            VALVE_GAIN_LPM_PER_V[8] = (double) msg.data[5] / 50.0f;
            ROM_RESET_DATA();
            //spi_eeprom_write(RID_VALVE_GAIN_PLUS_1, (int16_t) (VALVE_GAIN_LPM_PER_V[0] * 100.0f));
            //spi_eeprom_write(RID_VALVE_GAIN_PLUS_2, (int16_t) (VALVE_GAIN_LPM_PER_V[2] * 100.0f));
            //spi_eeprom_write(RID_VALVE_GAIN_PLUS_3, (int16_t) (VALVE_GAIN_LPM_PER_V[4] * 100.0f));
            //spi_eeprom_write(RID_VALVE_GAIN_PLUS_4, (int16_t) (VALVE_GAIN_LPM_PER_V[6] * 100.0f));
            //spi_eeprom_write(RID_VALVE_GAIN_PLUS_5, (int16_t) (VALVE_GAIN_LPM_PER_V[8] * 100.0f));

            break;
        }

        case CRX_ASK_VALVE_GAIN_MINUS: {
            CAN_TX_VALVE_GAIN_MINUS();

            break;
        }
        case CRX_SET_VALVE_GAIN_MINUS: {
            VALVE_GAIN_LPM_PER_V[1] = (double) msg.data[1] / 50.0f;
            VALVE_GAIN_LPM_PER_V[3] = (double) msg.data[2] / 50.0f;
            VALVE_GAIN_LPM_PER_V[5] = (double) msg.data[3] / 50.0f;
            VALVE_GAIN_LPM_PER_V[7] = (double) msg.data[4] / 50.0f;
            VALVE_GAIN_LPM_PER_V[9] = (double) msg.data[5] / 50.0f;
            ROM_RESET_DATA();
            //spi_eeprom_write(RID_VALVE_GAIN_MINUS_1, (int16_t) (VALVE_GAIN_LPM_PER_V[1] * 100.0f));
            //spi_eeprom_write(RID_VALVE_GAIN_MINUS_2, (int16_t) (VALVE_GAIN_LPM_PER_V[3] * 100.0f));
            //spi_eeprom_write(RID_VALVE_GAIN_MINUS_3, (int16_t) (VALVE_GAIN_LPM_PER_V[5] * 100.0f));
            //spi_eeprom_write(RID_VALVE_GAIN_MINUS_4, (int16_t) (VALVE_GAIN_LPM_PER_V[7] * 100.0f));
            //(RID_VALVE_GAIN_MINUS_5, (int16_t) (VALVE_GAIN_LPM_PER_V[9] * 100.0f));

            break;
        }
        case CRX_ASK_DDV_VALVE_DEADZONE: {
            CAN_TX_DDV_VALVE_DEADZONE();
            break;
        }

        case CRX_LOW_REF: {
            REFERENCE_MODE = msg.data[1];

            REF_NUM = msg.data[2];
            REF_PERIOD = (double) ((int16_t) (msg.data[3] | msg.data[4] << 8)) / 100.0f;
            if (REF_PERIOD <= 0.0f) REF_MOVE_TIME_5k = TMR_FREQ_5k / CAN_FREQ;
            else REF_MOVE_TIME_5k = (int) (REF_PERIOD * (double) TMR_FREQ_5k);
            REF_MAG = (double) ((int16_t) (msg.data[5] | msg.data[6] << 8)) / 100.0f;

            break;
        }

        case CRX_JUMP_STATUS: {
            MODE_JUMP_STATUS = msg.data[1];

            break;
        }

        case CRX_SET_ERR_CLEAR: {

            for (int i = 0; i < num_err; i++) {
                flag_err[i] = FALSE;
                flag_err_old[i] = FALSE;
            }

            flag_err_rt = FALSE;


            break;
        }

        case CRX_ASK_HOMEPOS_OFFSET: {
            CAN_TX_HOMEPOS_OFFSET();
            break;
        }
        case CRX_SET_HOMEPOS_OFFSET: {
            HOMEPOS_OFFSET = (int16_t) (msg.data[1] | msg.data[2] << 8);
            ROM_RESET_DATA();
            //spi_eeprom_write(RID_HOMEPOS_OFFSET, (int16_t) HOMEPOS_OFFSET);
            break;
        }

        case CRX_ASK_HOMEPOS_VALVE_OPENING: {
            CAN_TX_HOMPOS_VALVE_OPENING();
            break;
        }
        case CRX_SET_HOMEPOS_VALVE_OPENING: {
            HOMEPOS_VALVE_OPENING = (int16_t) (msg.data[1] | msg.data[2] << 8);
            ROM_RESET_DATA();
            //spi_eeprom_write(RID_HOMEPOS_VALVE_OPENING, (int16_t) HOMEPOS_VALVE_OPENING);
            break;
        }

        case CRX_ASK_VALVE_PWM_VS_VALVE_POS: {
            can_index = (int16_t) msg.data[1];
            CAN_TX_VALVE_PWM_VS_VALVE_POS(can_index);
            break;
        }
        case CRX_ASK_VALVE_POS_VS_FLOWRATE: {
            can_index = (int16_t) msg.data[1];
            CAN_TX_VALVE_POS_VS_FLOWRATE(can_index);
            break;
        }
        case CRX_ASK_VALVE_POS_NUM: {
            CAN_TX_VALVE_POS_NUM();
            break;
        }
        
        case CRX_SET_ROM: {
            ROM_RESET_DATA();
            break;
        }
        case CRX_SET_VALVE_CENTER_OFFSET: {
            VALVE_CENTER_OFFSET = ((float) ((int16_t) (msg.data[1] | msg.data[2] << 8))) * 0.1f;
            VALVE_CENTER = VALVE_CENTER + VALVE_CENTER_OFFSET;
            ROM_RESET_DATA();
            break;
        }
        case CRX_SET_VALVE_DZ_MINUS_OFFSET: {
            VALVE_DZ_MINUS_OFFSET = ((float) ((int16_t) (msg.data[1] | msg.data[2] << 8))) * 0.1f;
            VALVE_DEADZONE_MINUS = VALVE_DEADZONE_MINUS + VALVE_DZ_MINUS_OFFSET;
            ROM_RESET_DATA();
            break;
        }
        case CRX_SET_VALVE_DZ_PLUS_OFFSET: {
            VALVE_DZ_PLUS_OFFSET = ((float) ((int16_t) (msg.data[1] | msg.data[2] << 8))) * 0.1f;
            VALVE_DEADZONE_PLUS = VALVE_DEADZONE_PLUS + VALVE_DZ_PLUS_OFFSET;
            ROM_RESET_DATA();
            break;
        }
        case CRX_SET_PID_GAIN_OPP: {
            if (msg.data[1] == 0) {
                P_GAIN_VALVE_POSITION = (int16_t) (msg.data[2] | msg.data[3] << 8);
                I_GAIN_VALVE_POSITION = (int16_t) (msg.data[4] | msg.data[5] << 8);
                D_GAIN_VALVE_POSITION = (int16_t) (msg.data[6] | msg.data[7] << 8);
                
                ROM_RESET_DATA();
                
                //spi_eeprom_write(RID_P_GAIN_VALVE_POSITION, (int16_t) P_GAIN_VALVE_POSITION);
                //spi_eeprom_write(RID_I_GAIN_VALVE_POSITION, (int16_t) I_GAIN_VALVE_POSITION);
                //spi_eeprom_write(RID_D_GAIN_VALVE_POSITION, (int16_t) D_GAIN_VALVE_POSITION);


            } else if (msg.data[1] == 1) {
                P_GAIN_JOINT_POSITION = (int16_t) (msg.data[2] | msg.data[3] << 8);
                I_GAIN_JOINT_POSITION = (int16_t) (msg.data[4] | msg.data[5] << 8);
                D_GAIN_JOINT_POSITION = (int16_t) (msg.data[6] | msg.data[7] << 8);
                
                ROM_RESET_DATA();

                //spi_eeprom_write(RID_P_GAIN_JOINT_POSITION, (int16_t) P_GAIN_JOINT_POSITION);
                //spi_eeprom_write(RID_I_GAIN_JOINT_POSITION, (int16_t) I_GAIN_JOINT_POSITION);
                //spi_eeprom_write(RID_D_GAIN_JOINT_POSITION, (int16_t) D_GAIN_JOINT_POSITION);
            } else if (msg.data[1] == 2) {
                P_GAIN_JOINT_TORQUE = (int16_t) (msg.data[2] | msg.data[3] << 8);
                I_GAIN_JOINT_TORQUE = (int16_t) (msg.data[4] | msg.data[5] << 8);
                D_GAIN_JOINT_TORQUE = (int16_t) (msg.data[6] | msg.data[7] << 8);
                
                ROM_RESET_DATA();
                
                //spi_eeprom_write(RID_P_GAIN_JOINT_TORQUE, (int16_t) P_GAIN_JOINT_TORQUE);
                //spi_eeprom_write(RID_I_GAIN_JOINT_TORQUE, (int16_t) I_GAIN_JOINT_TORQUE);
                //spi_eeprom_write(RID_D_GAIN_JOINT_TORQUE, (int16_t) D_GAIN_JOINT_TORQUE);
            }
            break;
        }
        case CRX_ASK_VALVE_MAX_MIN_POS: {
            //CAN_TX_DDV_VALVE_DEADZONE();
            CAN_TX_DDV_VALVE_MAX_MIN_POS();
            break;
        }
        case CRX_DELAY_TEST:{
            flag_delay_test = 1;
            break;
        }
        case CRX_SET_NN_CONTROL_FLAG: {
            NN_Control_Flag = (int16_t) msg.data[1];
            CONTROL_UTILITY_MODE = 1;
            break;
        }

    default:
        break;
    }
}

void CAN_RX_HANDLER()
{
    
    can.read(msg);
    unsigned int address = msg.id;
    if(address==CID_RX_CMD){
        unsigned int CMD = msg.data[0];
        ReadCMD(CMD);
        
    } else if(address==CID_RX_REF_POSITION) {
        
        int16_t temp_pos = (int16_t) (msg.data[0] | msg.data[1] << 8);
        int16_t temp_vel = (int16_t) (msg.data[2] | msg.data[3] << 8);
        int16_t temp_torq = (int16_t) (msg.data[4] | msg.data[5] << 8);
        
        if((OPERATING_MODE&0b001)==0) { // Rotary Actuator
            pos.ref = (double)temp_pos * 1.0f;
            vel.ref = (double)temp_vel * 10.0f;
        }
        else { //Linear Actuator
            pos.ref = (double)temp_pos * 10.0f;
            vel.ref = (double)temp_vel * 256.0f;
        }
        
        torq.ref = (double)temp_torq * 0.1f / TORQUE_SENSOR_PULSE_PER_TORQUE;   //N
        torq.ref_diff = torq.ref - torq.ref_old;
        torq.ref_old = torq.ref;
        
        ///////////////Make Data///////////////////
        for(int i=0; i<num_array_u_past-1;i++){
            u_past[i] = u_past[i+1];
        }
        u_past[num_array_u_past-1] = output_normalized;
        
        for(int i=0; i<num_array_x_past-1;i++){
            x_past[i] = x_past[i+1];
        }
        x_past[num_array_x_past-1] = pos.sen / ENC_PULSE_PER_POSITION;   //mm
        
//        for(int i=0;i<num_array_x_future-1;i++){
//            x_future[i] = x_future[i+1];
//        }
//        x_future[num_array_x_future-1] = pos.sen / ENC_PULSE_PER_POSITION;  //mm
        
        for(int i=0; i<num_array_f_past-1;i++){
            f_past[i] = f_past[i+1];
        }
        f_past[num_array_f_past-1] = torq.sen;  //N
        
        f_future[0] = torq.sen;  //N
        for(int i=1;i<num_array_f_future-1;i++){
            f_future[i] = f_future[i+1];
        }
        f_future[num_array_f_future-1] = torq.ref;  //N


        int ind = 0;
        for(int i=0;i<numpast_u;i++){
            input_NN[ind] = u_past[1*i];
            ind = ind + 1;
        }
        
        for(int i=0;i<numpast_x;i++){
            input_NN[ind] = x_past[1*i] / 60.0f;
            ind = ind + 1;
        }
        input_NN[ind] = (pos.sen / ENC_PULSE_PER_POSITION) / 60.0f;
        ind = ind + 1;
//        for(int i=0;i<numfuture_x;i++){
//            input_NN[ind] = x_future[2*i+2] / 60.0f;
//            ind = ind + 1;
//        }
        
        for(int i=0;i<numpast_f;i++){
            input_NN[ind] = f_past[1*i] / 10000.0f + 0.5f;
            ind = ind + 1;
        }
        input_NN[ind] = torq.sen / 10000.0f + 0.5f;
        ind = ind + 1;
        for(int i=0;i<numfuture_f;i++){
            input_NN[ind] = (f_future[1*i+1] - f_future[0])/10000.0f+0.5f;
//            input_NN[ind] = (f_future[2*i+2])/10000.0f+0.5f;
            ind = ind + 1;
        }
        
    } else if(address==CID_RX_REF_VALVE_POS) {
        int16_t temp_ref_valve_pos = (int16_t) (msg.data[0] | msg.data[1] << 8);
        
        if (((OPERATING_MODE&0b110)>>1) == 0) { //Moog Valve
            valve_pos.ref = (double) temp_ref_valve_pos;
        } else if (((OPERATING_MODE&0b110)>>1) == 1) { //KNR Valve
            valve_pos.ref = (double) temp_ref_valve_pos;
        } else { //SW Valve
            if(temp_ref_valve_pos >= 0) {
                valve_pos.ref = (double)VALVE_CENTER + (double)temp_ref_valve_pos * ((double)VALVE_MAX_POS-(double)VALVE_CENTER)/10000.0f;
            } else {
                valve_pos.ref = (double)VALVE_CENTER - (double)temp_ref_valve_pos * ((double)VALVE_MIN_POS-(double)VALVE_CENTER)/10000.0f;
            }
        }
    } else if(address==CID_RX_REF_PWM){
        int temp_ref_pwm = (int16_t) (msg.data[0] | msg.data[1] << 8);
        Vout.ref = (double) temp_ref_pwm;
    }   
}

/******************************************************************************
 Information Transmission Functions
*******************************************************************************/

void CAN_TX_INFO(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 7;
    temp_msg.data[0] = (uint8_t) CTX_SEND_INFO;
    temp_msg.data[1] = (uint8_t) BNO;
    temp_msg.data[2] = (uint8_t) CAN_FREQ;
    temp_msg.data[3] = (uint8_t) (CAN_FREQ >> 8);
    temp_msg.data[4] = (uint8_t) (flag_err[7] << 7 | flag_err[6] << 6 | flag_err[5] << 5 | flag_err[4] << 4 | flag_err[3] << 3 | flag_err[2] << 2 | flag_err[1] << 1 | flag_err[0]);
    temp_msg.data[5] = (uint8_t) CONTROL_UTILITY_MODE;
    temp_msg.data[6] = (uint8_t) OPERATING_MODE;

    can.write(temp_msg);
}

void CAN_TX_BNO(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 2;
    temp_msg.data[0] = (uint8_t) CTX_SEND_BNO;
    temp_msg.data[1] = (uint8_t) BNO;

    can.write(temp_msg);
}

void CAN_TX_OPERATING_MODE(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 5;
    temp_msg.data[0] = (uint8_t) CTX_SEND_OPERATING_MODE;
    temp_msg.data[1] = (uint8_t) OPERATING_MODE;
    temp_msg.data[2] = (uint8_t) SENSING_MODE;
    temp_msg.data[3] = (uint8_t) CURRENT_CONTROL_MODE;
    temp_msg.data[4] = (uint8_t) FLAG_VALVE_DEADZONE;

    can.write(temp_msg);
}

void CAN_TX_CAN_FREQ(void) {
    CANMessage temp_msg;

    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_CAN_FREQ;
    temp_msg.data[1] = (uint8_t) CAN_FREQ;
    temp_msg.data[2] = (uint8_t) (CAN_FREQ >> 8);

    can.write(temp_msg);
}

void CAN_TX_CONTROL_MODE(void) {
    CANMessage temp_msg;

    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 2;
    temp_msg.data[0] = (uint8_t) CTX_SEND_CONTROL_MODE;
    temp_msg.data[1] = (uint8_t) CONTROL_UTILITY_MODE;

    can.write(temp_msg);
}

void CAN_TX_JOINT_ENC_DIR(void) {
    CANMessage temp_msg;

    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_JOINT_ENC_DIR;
    temp_msg.data[1] = (uint8_t) DIR_JOINT_ENC;
    temp_msg.data[2] = (uint8_t) (DIR_JOINT_ENC >> 8);

    can.write(temp_msg);
}

void CAN_TX_VALVE_DIR(void) {
    CANMessage temp_msg;

    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_VALVE_DIR;
    temp_msg.data[1] = (uint8_t) DIR_VALVE;
    temp_msg.data[2] = (uint8_t) (DIR_VALVE >> 8);

    can.write(temp_msg);
}

void CAN_TX_VALVE_ENC_DIR(void) {
    CANMessage temp_msg;

    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_VALVE_ENC_DIR;
    temp_msg.data[1] = (uint8_t) DIR_VALVE_ENC;
    temp_msg.data[2] = (uint8_t) (DIR_VALVE_ENC >> 8);

    can.write(temp_msg);
}

void CAN_TX_VOLTAGE_SUPPLY(void) {
    int16_t send_voltage_supply = (int16_t) (SUPPLY_VOLTAGE * 10.0f);

    CANMessage temp_msg;

    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_VOLTAGE_SUPPLY;
    temp_msg.data[1] = (uint8_t) (send_voltage_supply);
    temp_msg.data[2] = (uint8_t) (send_voltage_supply >> 8);

    can.write(temp_msg);
}

void CAN_TX_VOLTAGE_VALVE(void) {
    int16_t send_voltage_valve = (int16_t) (VALVE_VOLTAGE_LIMIT * 10.0f);

    CANMessage temp_msg;

    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_VOLTAGE_VALVE;
    temp_msg.data[1] = (uint8_t) send_voltage_valve;
    temp_msg.data[2] = (uint8_t) (send_voltage_valve >> 8);

    can.write(temp_msg);
}


void CAN_TX_PID_GAIN(int t_type) {
    // t_type = 0 : valve position control gain
    // t_type = 1 : joint position control gain
    // t_type = 2 : joint torque control gain

    int16_t sendPgain=0, sendIgain=0, sendDgain=0;
    if (t_type == 0) {
        sendPgain = (int16_t) (P_GAIN_VALVE_POSITION);
        sendIgain = (int16_t) (I_GAIN_VALVE_POSITION);
        sendDgain = (int16_t) (D_GAIN_VALVE_POSITION);
    } else if (t_type == 1) {
        sendPgain = (int16_t) (P_GAIN_JOINT_POSITION);
        sendIgain = (int16_t) (I_GAIN_JOINT_POSITION);
        sendDgain = (int16_t) (D_GAIN_JOINT_POSITION);
    } else if (t_type == 2) {
        sendPgain = (int16_t) (P_GAIN_JOINT_TORQUE);
        sendIgain = (int16_t) (I_GAIN_JOINT_TORQUE);
        sendDgain = (int16_t) (D_GAIN_JOINT_TORQUE);
    } else if (t_type == 3) {
        sendPgain = (int16_t) (K_SPRING * 10.0f);
        sendIgain = (int16_t) (D_DAMPER * 100.0f);
    }

    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 8;
    temp_msg.data[0] = (uint8_t) CTX_SEND_PID_GAIN;
    temp_msg.data[1] = (uint8_t) t_type;
    temp_msg.data[2] = (uint8_t) sendPgain;
    temp_msg.data[3] = (uint8_t) (sendPgain >> 8);
    temp_msg.data[4] = (uint8_t) sendIgain;
    temp_msg.data[5] = (uint8_t) (sendIgain >> 8);
    temp_msg.data[6] = (uint8_t) sendDgain;
    temp_msg.data[7] = (uint8_t) (sendDgain >> 8);

    can.write(temp_msg);
}


void CAN_TX_VALVE_DEADZONE(void) {
    CANMessage temp_msg;

    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 7;
    temp_msg.data[0] = (uint8_t) CTX_SEND_VALVE_DEADZONE;
    temp_msg.data[1] = (uint8_t) VALVE_CENTER;
    temp_msg.data[2] = (uint8_t) (VALVE_CENTER >> 8);
    temp_msg.data[3] = (uint8_t) (int) (VALVE_DEADZONE_PLUS);
    temp_msg.data[4] = (uint8_t) ((int) (VALVE_DEADZONE_PLUS) >> 8);
    temp_msg.data[5] = (uint8_t) (int) (VALVE_DEADZONE_MINUS);
    temp_msg.data[6] = (uint8_t) ((int) (VALVE_DEADZONE_MINUS) >> 8);

    can.write(temp_msg);
}

void CAN_TX_VELOCITY_COMP_GAIN(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_VELOCITY_COMP_GAIN;
    temp_msg.data[1] = (uint8_t) VELOCITY_COMP_GAIN;
    temp_msg.data[2] = (uint8_t) (VELOCITY_COMP_GAIN >> 8);

    can.write(temp_msg);
}

void CAN_TX_COMPLIANCE_GAIN(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_COMPLIANCE_GAIN;
    temp_msg.data[1] = (uint8_t) COMPLIANCE_GAIN;
    temp_msg.data[2] = (uint8_t) (COMPLIANCE_GAIN >> 8);

    can.write(temp_msg);
}

void CAN_TX_VALVE_FF(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_VALVE_FF;
    temp_msg.data[1] = (uint8_t) VALVE_FF;
    temp_msg.data[2] = (uint8_t) (VALVE_FF >> 8);

    can.write(temp_msg);
}

void CAN_TX_BULK_MODULUS(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_BULK_MODULUS;
    temp_msg.data[1] = (uint8_t) BULK_MODULUS;
    temp_msg.data[2] = (uint8_t) (BULK_MODULUS >> 8);

    can.write(temp_msg);
}

void CAN_TX_CHAMBER_VOLUME(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 5;
    temp_msg.data[0] = (uint8_t) CTX_SEND_CHAMBER_VOLUME;
    temp_msg.data[1] = (uint8_t) CHAMBER_VOLUME_A;
    temp_msg.data[2] = (uint8_t) (CHAMBER_VOLUME_A >> 8);
    temp_msg.data[3] = (uint8_t) CHAMBER_VOLUME_B;
    temp_msg.data[4] = (uint8_t) (CHAMBER_VOLUME_B >> 8);

    can.write(temp_msg);
}

void CAN_TX_PISTON_AREA(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 5;
    temp_msg.data[0] = (uint8_t) CTX_SEND_PISTON_AREA;
    temp_msg.data[1] = (uint8_t) PISTON_AREA_A;
    temp_msg.data[2] = (uint8_t) (PISTON_AREA_A >> 8);
    temp_msg.data[3] = (uint8_t) PISTON_AREA_B;
    temp_msg.data[4] = (uint8_t) (PISTON_AREA_B >> 8);

    can.write(temp_msg);
}

void CAN_TX_PRES_A_AND_B(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 5;
    temp_msg.data[0] = (uint8_t) CTX_SEND_PRES;
    temp_msg.data[1] = (uint8_t) PRES_SUPPLY;
    temp_msg.data[2] = (uint8_t) (PRES_SUPPLY >> 8);
    temp_msg.data[3] = (uint8_t) PRES_RETURN;
    temp_msg.data[4] = (uint8_t) (PRES_RETURN >> 8);

    can.write(temp_msg);
}

void CAN_TX_ENC_LIMIT(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 5;
    temp_msg.data[0] = (uint8_t) CTX_SEND_ENC_LIMIT;
    temp_msg.data[1] = (uint8_t) ENC_LIMIT_MINUS;
    temp_msg.data[2] = (uint8_t) (ENC_LIMIT_MINUS >> 8);
    temp_msg.data[3] = (uint8_t) ENC_LIMIT_PLUS;
    temp_msg.data[4] = (uint8_t) (ENC_LIMIT_PLUS >> 8);

    can.write(temp_msg);
}

void CAN_TX_STROKE(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_STROKE;
    temp_msg.data[1] = (uint8_t) STROKE;
    temp_msg.data[2] = (uint8_t) (STROKE >> 8);

    can.write(temp_msg);
}

void CAN_TX_VALVE_LIMIT(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 5;
    temp_msg.data[0] = (uint8_t) CTX_SEND_VALVE_LIMIT;
    temp_msg.data[1] = (uint8_t) VALVE_MIN_POS;
    temp_msg.data[2] = (uint8_t) (VALVE_MIN_POS >> 8);
    temp_msg.data[3] = (uint8_t) VALVE_MAX_POS;
    temp_msg.data[4] = (uint8_t) (VALVE_MAX_POS >> 8);

    can.write(temp_msg);
}

void CAN_TX_ENC_PULSE_PER_POSITION(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_ENC_PULSE_PER_POSITION;
    int temp_enc_pulse_per_position = (int) (ENC_PULSE_PER_POSITION);
    temp_msg.data[1] = (uint8_t) temp_enc_pulse_per_position;
    temp_msg.data[2] = (uint8_t) (temp_enc_pulse_per_position >> 8);

    can.write(temp_msg);
}

void CAN_TX_TORQUE_SENSOR_PULSE_PER_TORQUE(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_TORQUE_SENSOR_PULSE_PER_TORQUE;
    int temp_torque_sensor_pulse_per_torque = (int) (TORQUE_SENSOR_PULSE_PER_TORQUE * 10000.0f);
    temp_msg.data[1] = (uint8_t) temp_torque_sensor_pulse_per_torque;
    temp_msg.data[2] = (uint8_t) (temp_torque_sensor_pulse_per_torque >> 8);

    can.write(temp_msg);
}

void CAN_TX_PRES_SENSOR_PULSE_PER_PRES(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 5;
    temp_msg.data[0] = (uint8_t) CTX_SEND_PRES_SENSOR_PULSE_PER_BAR;
    temp_msg.data[1] = (uint8_t) (int) (PRES_SENSOR_A_PULSE_PER_BAR * 100.0f);
    temp_msg.data[2] = (uint8_t) ((int) (PRES_SENSOR_A_PULSE_PER_BAR * 100.0f) >> 8);
    temp_msg.data[3] = (uint8_t) (int) (PRES_SENSOR_B_PULSE_PER_BAR * 100.0f);
    temp_msg.data[4] = (uint8_t) ((int) (PRES_SENSOR_B_PULSE_PER_BAR * 100.0f) >> 8);

    can.write(temp_msg);
}

void CAN_TX_FRICTION(void) {
    CANMessage temp_msg;
    int16_t send_friction;
    send_friction = (int16_t) (FRICTION * 10.0f);
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_FRICTION;
    temp_msg.data[1] = (uint8_t) send_friction;
    temp_msg.data[2] = (uint8_t) (send_friction >> 8);

    can.write(temp_msg);
}

void CAN_TX_VALVE_GAIN_PLUS(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 6;
    temp_msg.data[0] = (uint8_t) CTX_SEND_VALVE_GAIN_PLUS;
    temp_msg.data[1] = (uint8_t) (VALVE_GAIN_LPM_PER_V[0] * 50.0f);
    temp_msg.data[2] = (uint8_t) (VALVE_GAIN_LPM_PER_V[2] * 50.0f);
    temp_msg.data[3] = (uint8_t) (VALVE_GAIN_LPM_PER_V[4] * 50.0f);
    temp_msg.data[4] = (uint8_t) (VALVE_GAIN_LPM_PER_V[6] * 50.0f);
    temp_msg.data[5] = (uint8_t) (VALVE_GAIN_LPM_PER_V[8] * 50.0f);

    can.write(temp_msg);
}

void CAN_TX_DDV_VALVE_DEADZONE(void) {
    CANMessage temp_msg;
    float temp_valve_deadzone_minus = 0.0f;
    float temp_valve_deadzone_plus = 0.0f;
    float temp_ddv_center = 0.0f;
    
    //temp_valve_deadzone_plus = 10000.0f*((double)VALVE_DEADZONE_PLUS-(double)VALVE_CENTER)/((double)VALVE_MAX_POS-(double)VALVE_CENTER);
    //temp_valve_deadzone_minus = -10000.0f*((double)VALVE_DEADZONE_MINUS-(double)VALVE_CENTER)/((double)VALVE_MIN_POS-(double)VALVE_CENTER);
    temp_valve_deadzone_plus = (double)VALVE_DEADZONE_PLUS;
    temp_valve_deadzone_minus = (double)VALVE_DEADZONE_MINUS;
    temp_ddv_center = (double)VALVE_CENTER;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 7;
    temp_msg.data[0] = (uint8_t) CTX_SEND_DDV_VALVE_DEADZONE;
    temp_msg.data[1] = (uint8_t) temp_valve_deadzone_minus;
    temp_msg.data[2] = (uint8_t) ((int) (temp_valve_deadzone_minus) >> 8);
    temp_msg.data[3] = (uint8_t) (temp_valve_deadzone_plus);
    temp_msg.data[4] = (uint8_t) ((int) (temp_valve_deadzone_plus) >> 8);
    temp_msg.data[5] = (uint8_t) (temp_ddv_center);
    temp_msg.data[6] = (uint8_t) ((int) (temp_ddv_center) >> 8);

    can.write(temp_msg);
}

void CAN_TX_VALVE_GAIN_MINUS(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 6;
    temp_msg.data[0] = (uint8_t) CTX_SEND_VALVE_GAIN_MINUS;
    temp_msg.data[1] = (uint8_t) (VALVE_GAIN_LPM_PER_V[1] * 50.0f);
    temp_msg.data[2] = (uint8_t) (VALVE_GAIN_LPM_PER_V[3] * 50.0f);
    temp_msg.data[3] = (uint8_t) (VALVE_GAIN_LPM_PER_V[5] * 50.0f);
    temp_msg.data[4] = (uint8_t) (VALVE_GAIN_LPM_PER_V[7] * 50.0f);
    temp_msg.data[5] = (uint8_t) (VALVE_GAIN_LPM_PER_V[9] * 50.0f);

    can.write(temp_msg);
}

void CAN_TX_REFENCE_MODE(void) {
    CANMessage temp_msg;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 6;
    temp_msg.data[0] = (uint8_t) CTX_SEND_REFENCE_MODE;
    temp_msg.data[1] = (uint8_t) REFERENCE_MODE;
    temp_msg.data[2] = (uint8_t) (int) (REFERENCE_FREQ * 100.0f);
    temp_msg.data[3] = (uint8_t) ((int) (REFERENCE_FREQ * 100.0f) >> 8);
    temp_msg.data[4] = (uint8_t) (int) (REFERENCE_MAG * 100.0f);
    temp_msg.data[5] = (uint8_t) ((int) (REFERENCE_MAG * 100.0f) >> 8);

    can.write(temp_msg);
}

void CAN_TX_HOMEPOS_OFFSET(void) {
    CANMessage temp_msg;
    int16_t send_homepos_offset;
    send_homepos_offset = (int16_t) (HOMEPOS_OFFSET);
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_HOMEPOS_OFFSET;
    temp_msg.data[1] = (uint8_t) send_homepos_offset;
    temp_msg.data[2] = (uint8_t) (send_homepos_offset >> 8);

    can.write(temp_msg);
}

void CAN_TX_HOMPOS_VALVE_OPENING(void) {
    CANMessage temp_msg;
    int16_t send_homepos_valve_opening;
    send_homepos_valve_opening = (int16_t) (HOMEPOS_VALVE_OPENING);
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_SEND_HOMEPOS_VALVE_OPENING;
    temp_msg.data[1] = (uint8_t) send_homepos_valve_opening;
    temp_msg.data[2] = (uint8_t) (send_homepos_valve_opening >> 8);

    can.write(temp_msg);
}

void CAN_TX_VALVE_PWM_VS_VALVE_POS(int8_t canindex) {
    CANMessage temp_msg;
    int16_t valve_pos_vs_pwm;
//    valve_pos_vs_pwm = (int16_t) (VALVE_POS_VS_PWM[canindex]);
    
    if(VALVE_POS_VS_PWM[canindex]>= (float) VALVE_CENTER) {
        valve_pos_vs_pwm = 10000.0f*((double)VALVE_POS_VS_PWM[canindex]-(double)VALVE_CENTER)/((double)VALVE_MAX_POS-(double)VALVE_CENTER);
    } else {
        valve_pos_vs_pwm = -10000.0f*((double)VALVE_POS_VS_PWM[canindex]-(double)VALVE_CENTER)/((double)VALVE_MIN_POS-(double)VALVE_CENTER);
    }
    
    int16_t PWM_VALVE_ID;
    PWM_VALVE_ID = ID_index_array[canindex] * 1000;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 5;
    temp_msg.data[0] = (uint8_t) CTX_VALVE_PWM_VS_VALVE_POS;
    temp_msg.data[1] = (uint8_t) PWM_VALVE_ID;
    temp_msg.data[2] = (uint8_t) (PWM_VALVE_ID >> 8);
    temp_msg.data[3] = (uint8_t) valve_pos_vs_pwm;
    temp_msg.data[4] = (uint8_t) (valve_pos_vs_pwm >> 8);

    can.write(temp_msg);
}

void CAN_TX_VALVE_POS_VS_FLOWRATE(int8_t canindex) {
    CANMessage temp_msg;
    int32_t valve_pos_vs_flowrate;
    valve_pos_vs_flowrate = (int32_t) (JOINT_VEL[canindex]);

    int16_t VALVE_POS_VALVE_ID = ID_index_array[canindex] * 10 + VALVE_CENTER;
    int16_t temp_valve_pos = 0;
    if(VALVE_POS_VALVE_ID>=VALVE_CENTER) {
        temp_valve_pos = (int16_t) (10000.0f*((double)VALVE_POS_VALVE_ID-(double)VALVE_CENTER)/((double)VALVE_MAX_POS-(double)VALVE_CENTER));
    } else {
        temp_valve_pos = (int16_t) (-10000.0f*((double)VALVE_POS_VALVE_ID-(double)VALVE_CENTER)/((double)VALVE_MIN_POS-(double)VALVE_CENTER));
    }
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 8;
    temp_msg.data[0] = (uint8_t) CTX_VALVE_POS_VS_FLOWRATE;
    temp_msg.data[1] = (uint8_t) temp_valve_pos;
    temp_msg.data[2] = (uint8_t) (temp_valve_pos >> 8);
    temp_msg.data[5] = (uint8_t) valve_pos_vs_flowrate;
    temp_msg.data[6] = (uint8_t) (valve_pos_vs_flowrate >> 8);
    temp_msg.data[7] = (uint8_t) (valve_pos_vs_flowrate >> 16);
    temp_msg.data[7] = (uint8_t) (valve_pos_vs_flowrate >> 24);

    can.write(temp_msg);
}

void CAN_TX_VALVE_POS_NUM(void) {
    CANMessage temp_msg;
    int32_t valve_pos_num;
    valve_pos_num = (int16_t) VALVE_POS_NUM;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 3;
    temp_msg.data[0] = (uint8_t) CTX_VALVE_POS_NUM;
    temp_msg.data[1] = (uint8_t) valve_pos_num;
    temp_msg.data[2] = (uint8_t) (valve_pos_num >> 8);

    can.write(temp_msg);
}

void CAN_TX_DDV_VALVE_MAX_MIN_POS(void) {
    CANMessage temp_msg;
    
    float temp_valve_max_pos = 0.0f;
    float temp_valve_min_pos = 0.0f;
    float temp_ddv_center = 0.0f;
    
    temp_valve_max_pos = VALVE_MAX_POS;
    temp_valve_min_pos = VALVE_MIN_POS;
    temp_ddv_center = VALVE_CENTER;
    
    temp_msg.id = CID_TX_INFO;
    temp_msg.len = 7;
    temp_msg.data[0] = (uint8_t) CTX_VALVE_MAX_MIN_POS;
    temp_msg.data[1] = (uint8_t) temp_valve_max_pos;
    temp_msg.data[2] = (uint8_t) ((int) (temp_valve_max_pos) >> 8);
    temp_msg.data[3] = (uint8_t) (temp_valve_min_pos);
    temp_msg.data[4] = (uint8_t) ((int) (temp_valve_min_pos) >> 8);
    temp_msg.data[5] = (uint8_t) (temp_ddv_center);
    temp_msg.data[6] = (uint8_t) ((int) (temp_ddv_center) >> 8);

    can.write(temp_msg);
}

/******************************************************************************
 Sensor & State Transmission Functions
*******************************************************************************/

void CAN_TX_POSITION_FT(int16_t t_pos, int16_t t_vel, int16_t t_torq) {
    CANMessage temp_msg;

    temp_msg.id = CID_TX_POSITION;
    temp_msg.len = 6;
    temp_msg.data[0] = (uint8_t) t_pos;
    temp_msg.data[1] = (uint8_t) (t_pos >> 8);
    temp_msg.data[2] = (uint8_t) t_vel;
    temp_msg.data[3] = (uint8_t) (t_vel >> 8);
    temp_msg.data[4] = (uint8_t) t_torq;
    temp_msg.data[5] = (uint8_t) (t_torq >> 8);

    can.write(temp_msg);
}

void CAN_TX_POSITION_PRESSURE(int16_t t_pos, int16_t t_vel, int16_t t_pa, int16_t t_pb) {
    
    CANMessage temp_msg;

    temp_msg.id = CID_TX_POSITION;
    temp_msg.len = 8;
    temp_msg.data[0] = (uint8_t) t_pos;
    temp_msg.data[1] = (uint8_t) (t_pos >> 8);
    temp_msg.data[2] = (uint8_t) t_vel;
    temp_msg.data[3] = (uint8_t) (t_vel >> 8);
    temp_msg.data[4] = (uint8_t) t_pa;
    temp_msg.data[5] = (uint8_t) (t_pa >> 8);
    temp_msg.data[6] = (uint8_t) t_pb;
    temp_msg.data[7] = (uint8_t) (t_pb >> 8);

    can.write(temp_msg);
}

//void CAN_TX_TORQUE(int16_t t_valve_pos, int16_t t_vout) {
//    CANMessage temp_msg;
//
//    temp_msg.id = CID_TX_TORQUE;
//    temp_msg.len = 4;
//    temp_msg.data[0] = (uint8_t) t_valve_pos;
//    temp_msg.data[1] = (uint8_t) (t_valve_pos >> 8);
//    temp_msg.data[2] = (uint8_t) t_vout;
//    temp_msg.data[3] = (uint8_t) (t_vout >> 8);
//
//    can.write(temp_msg);
//}

void CAN_TX_TORQUE(int16_t t_valve_pos) {
    CANMessage temp_msg;

    temp_msg.id = CID_TX_TORQUE;
    temp_msg.len = 2;
    temp_msg.data[0] = (uint8_t) t_valve_pos;
    temp_msg.data[1] = (uint8_t) (t_valve_pos >> 8);

    can.write(temp_msg);
}

void CAN_TX_PRES(int16_t t_pres_a, int16_t t_pres_b) {
    CANMessage temp_msg;

    temp_msg.id = CID_TX_PRES;
    temp_msg.len = 4;
    temp_msg.data[0] = (uint8_t) t_pres_a;
    temp_msg.data[1] = (uint8_t) (t_pres_a >> 8);
    temp_msg.data[2] = (uint8_t) t_pres_b;
    temp_msg.data[3] = (uint8_t) (t_pres_b >> 8);

    can.write(temp_msg);
}

void CAN_TX_PWM(int16_t t_pwm) {
    CANMessage temp_msg;

    temp_msg.id = CID_TX_VOUT;
    temp_msg.len = 2;
    temp_msg.data[0] = (uint8_t) t_pwm;
    temp_msg.data[1] = (uint8_t) (t_pwm >> 8);

    can.write(temp_msg);
}

void CAN_TX_VALVE_POSITION(int16_t t_valve_pos_1, int16_t t_valve_pos_2, int16_t t_ref_valve_pos, int16_t t_pwm)
{
    CANMessage temp_msg;

    temp_msg.id = CID_TX_VALVE_POSITION;
    temp_msg.len = 8;
    temp_msg.data[0] = (uint8_t) t_valve_pos_1;
    temp_msg.data[1] = (uint8_t) (t_valve_pos_1 >> 8);
    temp_msg.data[2] = (uint8_t) t_valve_pos_2;
    temp_msg.data[3] = (uint8_t) (t_valve_pos_2 >> 8);
    temp_msg.data[4] = (uint8_t) t_ref_valve_pos;
    temp_msg.data[5] = (uint8_t) (t_ref_valve_pos >> 8);
    temp_msg.data[6] = (uint8_t) t_pwm;
    temp_msg.data[7] = (uint8_t) (t_pwm >> 8);
    

    can.write(temp_msg);
}