Latest FM Code with EEPROM

Dependencies:   FreescaleIAP SimpleDMA eeprom mbed-rtos mbed

Fork of CDMS_QM_03MAR2017_Flash_with_obsrs by Team Fox

COM_MNG_TMTC.h

Committer:
aniruddhv
Date:
2016-02-02
Revision:
107:396aa26f3fff
Parent:
69:20f09a0c3fd2

File content as of revision 107:396aa26f3fff:

/*// 8 Jul
// did flowchart of states

// handle sd card with cdms team

// Jun 6
// WHAT IS TC exec code in L1 ack ? 

//Jan 7 
//added RLY_TMTC function
//added included related files

#include "pinconfig.h"
#include "i2c.h"
#include "Flash.h"
#include "cdms_rtc.h"

DigitalIn tm_status_4m_slv(PIN39); //I2C interrupt to CDMS from BAE
//DigitalIn tm_status_4m_pl(PIN61); //I2C interrupt to CDMS from PL

uint8_t received = 0;
uint16_t mid1;
uint16_t mid2;
uint16_t Nbytes;
uint32_t Data[2];
uint16_t nbytes;
uint8_t flash_counter = 0;
uint16_t crc16;
uint16_t mid;
uint32_t block;

#define delete_TC(tc_ptr) {\
    if(tc_ptr == gHEAD_NODE_TCL){\
        gHEAD_NODE_TCL = tc_ptr->next_TC;\
    }\
    delete tc_ptr;\
}

#define delete_all_tm(tm_ptr_head){\
     DELETE THE TM AFTER USE \
    Base_tm *temp_tm_ptr = tm_ptr_head;\
    int overflowCountExecute = 0;\
    while(temp_tm_ptr != NULL){\
        if( overflowCountExecute < TM_OVERFLOW_CONSTANT ){\
            Base_tm *temp = temp_tm_ptr->next_TM;\
            delete temp_tm_ptr;\
            temp_tm_ptr = temp;\
            ++overflowCountExecute;\
        }\
        else{\
             PENDING: RESET CDMS \
            break;\
        }\
    }\
}

// typeof tm_ptr: Base_tm
// typeof tc_ptr: Base_tc
// typeof temp_xxxx: uint8_t
#define fill_l1_ack(tm_ptr) {\
    uint8_t temp8;\
    tm_ptr->next_TM = NULL;\
    temp8 = TMID_ACK_L1;\
    PUTtmid(tm_ptr->fields, temp8);\
    temp8 = SHORT_TM_CODE;\
    PUTshort_or_long_tm(tm_ptr->fields, temp8);\
    tm_ptr->TM_string[0] = TMID_ACK_L1 << 4;\
     PENDING: PA TEMPERATURE \
    tm_ptr->TM_string[1] = gTOTAL_INCORRECT_SIZE_TC & 0xFF;\
    tm_ptr->TM_string[2] = gTOTAL_CRC_FAIL_TC & 0xFF;\
}

#define put_crc_l1_ack(tm_ptr) {\
    tm_ptr->TM_string[2] = gTOTAL_CRC_FAIL_TC & 0xFF;\
     TC LIST STATUS \
    tm_ptr->TM_string[3] |= (gMASTER_STATE << 5) & 0xE0;\
     PA HOT \
    if( gFLAGS & COM_PA_HOT_FLAG ){\
        tm_ptr->TM_string[3] |= (1 << 4);\
    }\
    else{\
        tm_ptr->TM_string[3] &= ~(1 << 4);\
    }\
    uint16_t crc_checksum = crc16_gen(tm_ptr->TM_string, TM_SHORT_SIZE-2);\
    tm_ptr->TM_string[TM_SHORT_SIZE-2] = (crc_checksum >> 8) & 0xFF;\
    tm_ptr->TM_string[TM_SHORT_SIZE-1] = crc_checksum & 0xFF;\
}

#define detect_ack(tm_ptr, temp_ack, tc_psc) {\
    if( tm_ptr != NULL ){\
        int length = TM_SHORT_SIZE;\
        if( GETshort_or_long_tm(tm_ptr->fields) == SHORT_TM_CODE ){\
            length = TM_SHORT_SIZE;\
        }\
        else{\
            length = TM_LONG_SIZE;\
        }\
        uint16_t crc = crc16_gen(tm_ptr->TM_string, length-2);\
        if( (((crc & 0xFF00) >> 8) == tm_ptr->TM_string[length-2]) && ( (crc & 0x00FF) == tm_ptr->TM_string[length-1] ) ){\
            uint8_t temp8;\
            temp8 = tm_ptr->TM_string[TM_ACK_CODE_INDEX];\
            temp8 = temp8 & 0xE0;\
            if( (temp8 == 0xC0) || (temp8 == 0xA0) )\
                temp_ack = 0x01;\
            else{\
                temp_ack = 0x00;\
                 CHECK FOR NACK CODE: CRC FAIL NACK \
                temp8 = tm_ptr->TM_string[TM_ACK_CODE_INDEX];\
                temp8 = temp8 & 0x0F;\
                if( temp8 == CRC_FAIL_NACK_CODE ){\
                    tm_ptr->TM_string[2] = tc_psc;\
                }\
            }\
        }\
        else\
            temp_ack = 0x00;\
    }\
    else{\
        temp_ack = 0x00;\
    }\
}

#define isit_obosc(tc_ptr, temp_obosc) {\
    temp_obosc = 0x00;\
    if( GETapid(tc_ptr) == APID_COM ){\
        if( ((tc_ptr->TC_string[2]) >> 4) == SERVICE_OBOSC ){\
            temp_obosc = 0x01;\
        }\
    }\
}

#define isit_sdcard(tc_ptr, temp_sdcard) {\
    temp_sdcard = 0x00;\
    if( GETapid(tc_ptr) == APID_COM ){\
        if( ( (tc_ptr->TC_string[2]) >> 4) == SERVICE_OBSRS ){\
            temp_sdcard = 0x01;\
        }\
    }\
}

#define isPAhot(returnHere){\
     PENDING : COMPLETE THIS FUNCTION \
    returnHere = 0xFF;\
}

void after_cooling_pa(){
    gCOM_MNG_TMTC_THREAD->signal_set(COM_MNG_TMTC_SIGNAL_UART_INT);
}

 
@brief:     check for missing tc, also check crc, i.e. 
            if true execution can be started else have to wait
            decide the next state
@param:     none
@return:    bool indicating whether there are missing tc
 
// PENDING: LAST FRAME BIT
 
for loop: check for missing tc
if: check for incorrect sized tc
if: check for last frame bit
 
#define continueToExecute(returnHere) {\
    uint8_t tempReturn = 0x00;\
     search for missing psc \
    for(uint8_t p = 0x00 ; p < (gTOTAL_VALID_TC) ; ++p){\
        bool flag = false;\
        Base_tc *node_ptr = gHEAD_NODE_TCL;\
        while(node_ptr != NULL){\
            if( (GETpacket_seq_count(node_ptr) == p) && (GETcrc_pass(node_ptr) == 1) ){\
                flag = true;\
                break;\
            }\
            else{\
                node_ptr = node_ptr->next_TC;\
            }\
        }\
        if(flag == false){\
            tempReturn = 0x02;\
            break;\
        }\
    }\
     search for last packet bit \
    tempReturn = tempReturn + 0x01;\
    Base_tc *tcp = gHEAD_NODE_TCL;\
    while(tcp != NULL){\
        if(GETpacket_seq_count(tcp) == (gTOTAL_VALID_TC - 1)){\
            if( ( (tcp->TC_string[1]) & 0x20 ) == 0x20 ){\
                tempReturn = tempReturn - 0x01;\
            }\
            break;\
        }\
        tcp = tcp->next_TC;\
    }\
    returnHere = tempReturn;\
     UPDATE gMASTER STATE \
    if( (returnHere == 0x00) ){\
        if( (gMASTER_STATE == TCL_STATE_INCOMPLETE) || (gMASTER_STATE == TCL_STATE_COMPLETED) || (gMASTER_STATE == TCL_STATE_ABORTED) ){\
            gMASTER_STATE = TCL_STATE_EXECUTING;\
        }\
    }\
    else{\
        if( (gMASTER_STATE == TCL_STATE_INCOMPLETE) || (gMASTER_STATE == TCL_STATE_COMPLETED) ){\
            gMASTER_STATE = TCL_STATE_INCOMPLETE;\
        }\
    }\
}

 
return 1 if code match
return 0 if code mismatch
 
#define GScodeVerification(returnHere){\
    Base_tc *testTC = gHEAD_NODE_TCL;\
    uint16_t overflowCount = 0;\
    returnHere = 0xFF;\
    while( (overflowCount < TCL_OVERFLOW_CONSTANT) && (testTC != NULL) ){\
        if( (GETpacket_seq_count(testTC) == PSC_CALLSIGN) && (GETapid(testTC) == APID_CALLSIGN) ){\
             uint8_t temp8 = testTC->TC_string[1]; \
            if( true ){\
                for( int i = 2 ; i <= 8 ; ++i ){\
                    if( testTC->TC_string[i] != gGSCODE[i-2] ){\
                        returnHere = 0;\
                        break;\
                    }\
                }\
            }\
            break;\
        }\
        testTC = testTC->next_TC;\
        ++overflowCount;\
    }\
}

 
@brief:     DELETE THE CRC FAILED TC FROM THE LIST TO FREE-UP MEMORY AND UPDATE 
            THE TOTAL VALID TC AND GENERATE L1_ACK_TM
@param:     none
@return:    none
 
 tm_ptr is the next_TM of a linked list, and should have the value NULL, i.e. tm_ptr should be the next_TM pointer of thte last node  
#define get_ack_l1( tm_ptr ){\
    Base_tc *current_TC = gHEAD_NODE_TCL;\
    Base_tm *l1_ack = new Short_tm;\
     APPEND TO THE tm_ptr HERE \
    tm_ptr = l1_ack;\
    fill_l1_ack(l1_ack);\
    int TC_count = 0;\
    int overflowCountL1 = 0;\
    while(current_TC != NULL){\
        if( overflowCountL1 < TCL_OVERFLOW_CONSTANT ){\
             IF CRC PASS \
            if( (GETcrc_pass(current_TC) == 1) ){\
                if(TC_count > 4){\
                     PENDING: FILL TC_EXEC_CODE, APPEND CRC TO THE TM \
                    put_crc_l1_ack( l1_ack );\
                     extend the TM linked list \
                    TC_count = 0;\
                    l1_ack->next_TM = new Short_tm;\
                    l1_ack = l1_ack->next_TM;\
                    fill_l1_ack(l1_ack);\
                }\
                 PSC starts from 7th byte \
                l1_ack->TM_string[6+TC_count] = GETpacket_seq_count(current_TC);\
                 TC exec status \
                switch(TC_count){\
                    case 0:\
                        l1_ack->TM_string[3] = (GETexec_status(current_TC)) & 0x0F;\
                        break;\
                    case 1:\
                        l1_ack->TM_string[4] = (GETexec_status(current_TC) << 4) & 0xF0;\
                        break;\
                    case 2:\
                        l1_ack->TM_string[4] |= (GETexec_status(current_TC)) & 0x0F;\
                        break;\
                    case 3:\
                        l1_ack->TM_string[5] = (GETexec_status(current_TC) << 4) & 0xF0;\
                        break;\
                    case 4:\
                        l1_ack->TM_string[5] |= (GETexec_status(current_TC)) & 0x0F;\
                }\
                ++TC_count;\
            }\
            current_TC = current_TC->next_TC;\
            ++overflowCountL1;\
        }\
        else{\
             PENDING: RESET CDMS \
            break;\
        }\
    }\
     FILL UP THE REMAINING FIELDS WITH 0x00 as PSC, AND 0xF as tc exec status \
    if( (TC_count < 5) && (TC_count != 0) ){\
        while(TC_count < 5){\
            l1_ack->TM_string[6+TC_count] = 0x00;\
            switch(TC_count){\
                case 1:\
                    l1_ack->TM_string[4] = 0xF0;\
                    break;\
                case 2:\
                    l1_ack->TM_string[4] |= 0x0F;\
                    break;\
                case 3:\
                    l1_ack->TM_string[5] = 0xF0;\
                    break;\
                case 4:\
                    l1_ack->TM_string[5] |= 0x0F;\
            }\
            ++TC_count;\
        }\
    }\
    put_crc_l1_ack(l1_ack);\
}

 tm_ptr is the next_TM of a linked list, and should have the value NULL, i.e. tm_ptr should be the next_TM pointer of thte last node  
#define get_tc_list(tm_ptr, thePSC){\
    uint8_t TM_PSC = 0xFF;\
    uint8_t TC_PSC = thePSC;\
    int overflowCount = 0;\
    uint8_t TC_LIST_TAG = 0x00;\
    Base_tc *temp_tc = gHEAD_NODE_TCL;\
    bool first_time = true;\
    Base_tm *current_tm = NULL;\
    while( temp_tc != NULL ){\
        if( overflowCount < TCL_OVERFLOW_CONSTANT ){\
            TM_PSC = TM_PSC + 1;\
             Increment TM_PSC for every new TM pointer created \
            Base_tm *temp_tm = new Long_tm;\
            temp_tm->next_TM = NULL;\
            uint8_t temp8 = LONG_TM_CODE;\
            PUTshort_or_long_tm(temp_tm->fields, temp8);\
            temp8 = TMID_TCL;\
            PUTtmid((temp_tm->fields), temp8);\
            temp_tm->TM_string[0] = 0x38;\
             Frame type(1) = 0; TMID = 0111; Spare = 000 \
            temp_tm->TM_string[1] = TC_PSC;\
            temp_tm->TM_string[3] = TM_PSC;\
            int indexCustom = 4, num_of_short_tc = 0;\
            while(temp_tc != NULL){\
                if( overflowCount < TCL_OVERFLOW_CONSTANT ){\
                    if( GETshort_or_long_tc(temp_tc) == SHORT_TC_CODE ){\
                        for( int i = 0 ; i < TC_SHORT_SIZE ; ++i ){\
                            temp_tm->TM_string[indexCustom + i] = temp_tc->TC_string[i];\
                        }\
                        indexCustom = indexCustom + TC_SHORT_SIZE;\
                        ++overflowCount;\
                         INCREMENT STUFF \
                        temp_tc = temp_tc->next_TC;\
                        num_of_short_tc = num_of_short_tc + 1;\
                        if (temp_tc == NULL){\
                            for (int i = indexCustom ; i < TM_LONG_SIZE-2 ; ++i){\
                                temp_tm->TM_string[i] = 0;\
                                 Fill remaining values with 0 \
                            }\
                            TC_LIST_TAG = num_of_short_tc;\
                            break;\
                        }\
                        if( (GETshort_or_long_tc(temp_tc) == LONG_TC_CODE) || (num_of_short_tc == OBOSC_TCL_MAX_SHORT_SIZE) ){\
                             Next TC is long or memory is filled \
                            for(int i = indexCustom; i < TM_LONG_SIZE-2 ; ++i){\
                                temp_tm->TM_string[i] = 0;\
                                 Fill remaining values with 0 \
                            }\
                            TC_LIST_TAG = num_of_short_tc;\
                            break;\
                        }\
                    }\
                    else if (TC_LIST_TAG == OBOSC_TCL_TAG_LONG_FIRST_HALF){\
                         Long TC, 2nd half \
                        for (int i = 0; i < OBOSC_LONG_TC_SECOND_HALF_SIZE ; ++i){\
                            temp_tm->TM_string[indexCustom + i] = temp_tc->TC_string[OBOSC_LONG_TC_FIRST_HALF_SIZE + i];\
                             Fill the TM with TC_values \
                        }\
                        for (int i = OBOSC_LONG_TC_SECOND_HALF_SIZE + indexCustom ; i < TM_LONG_SIZE-2 ; ++i ){\
                            temp_tm->TM_string[i] = 0;\
                             Fill remaining values with 0 \
                        }\
                        temp_tc = temp_tc->next_TC;\
                        TC_LIST_TAG = OBOSC_TCL_TAG_LONG_SECOND_HALF;\
                        ++overflowCount;\
                        break;\
                    }\
                    else{\
                         Long TC, 1st half  \
                        for (int i = 0; i < OBOSC_LONG_TC_FIRST_HALF_SIZE; ++i){\
                             gPC.printf("indexCustom = %d\r\n", indexCustom); \
                            temp_tm->TM_string[indexCustom + i] = temp_tc->TC_string[i];\
                             Fill the TM with TC_values \
                        }\
                        for (int i = OBOSC_LONG_TC_FIRST_HALF_SIZE + indexCustom ; i < TM_LONG_SIZE-2 ; ++i ){\
                            temp_tm->TM_string[i] = 0;\
                             Fill remaining values with 0 \
                        }\
                        TC_LIST_TAG = OBOSC_TCL_TAG_LONG_FIRST_HALF;\
                        break;\
                    }\
                }\
                else{\
                     PENDING: reset cdms \
                    break;\
                }\
            }\
            temp_tm->TM_string[2] = TC_LIST_TAG;\
             TC_LIST_TAG as is updated in the inner while loop \
            uint16_t crc16 = crc16_gen(temp_tm->TM_string, TM_LONG_SIZE-2);\
            temp_tm->TM_string[TM_LONG_SIZE-2] = (crc16 & 0xFF00) >> 8 ;\
            temp_tm->TM_string[TM_LONG_SIZE-1] = crc16 & 0x00FF;\
             Attach this new node to the TM linked list \
            if( first_time ){\
                first_time = false;\
                tm_ptr = temp_tm;\
                current_tm = temp_tm;\
            }\
            else{\
                current_tm->next_TM = temp_tm;\
                current_tm = current_tm->next_TM;\
            }\
             Attach this new node at the end \
        }\
        else{\
             PENDING: reset CDMS \
            break;\
        }\
    }\
}

// CDMS TEAM CODE START
inline Base_tm* FCTN_CDMS_RLY_TMTC(Base_tc *tc_ptr){
    uint8_t ACKCODE = 0x00;
    //gPC.printf("\rTC execution in progress\r\n");
    Base_tm *tm_pointer = new Long_tm;
    Base_tm *tm_ptr = tm_pointer;
    received = 0;
    switch(GETapid(tc_ptr))
    {
        case 1: //apid=01 implies it corresponds to bae
        {
            //gPC.printf("Telecommand is for BAE\r\n");
            //gPC.printf("Sending TC to BAE...\r\n"); //interrupt to be sent to the bae
            FCTN_I2C_WRITE((char*)tc_ptr->TC_string);
            while(1)
            {
                wait(1); //TimeOut instead of wait
                if(tm_status_4m_slv == 1)
                {
                    //gPC.printf("receiving...\r\n");
                    FCTN_I2C_READ((char*)tm_pointer->TM_string);
                    //gPC.printf("%s", tm_pointer->TM_string);
                    received+=1;
                    tm_pointer = tm_pointer->next_TM;
                    break; //only for testing purpose
                }
                else
                {
                    break;
                }
            }
            if(received >= 1 )
            {
                //gPC.printf("Telemetry is received from BAE\r\n");
                Base_tm *tm_print = tm_ptr;
                for(uint8_t i=0;i<received;i++)
                {  
                    //gPC.printf("%s", tm_print->TM_string);
                    tm_print = tm_print->next_TM; //for check
                }
                received  = 0;
                tm_pointer->next_TM = NULL;                 return tm_ptr;
            }
            else
            {
                //gPC.printf("Telemetry is not received from BAE\r\n");
                //tm_pointer = new Short_tm;
                tm_pointer->TM_string[0] = 0xB0;
                tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);
                tm_pointer->TM_string[2] = 0x01;
                tm_pointer->TM_string[3] = ACKCODE; //ackcode to be decided
                tm_pointer->TM_string[4] = 0x01;
                for(uint8_t i=0;i<6;i++)
                {
                    tm_pointer->TM_string[i+5] = 0;
                }
                crc16 = crc16_gen(tm_ptr->TM_string,11);
                tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                tm_pointer->next_TM = NULL;                 return tm_ptr;
            }
            break;
        }
        case 2:
        {
            //gPC.printf("Telecommand is for CDMS\r\n"); //apid = 10 corresponds to cdms
            switch(GETservice_type(tc_ptr))
            {
                case 0x60:
                {
                        //gPC.printf("service:MMS\r\n");
                        switch(GETservice_subtype(tc_ptr))
                        {
                            case 0x1:
                            {
                            //gPC.printf("sub_service:Read from RAM_Memory\r\n");
                            mid=(uint16_t)(tc_ptr->TC_string[3]<<4)+(uint16_t)(tc_ptr->TC_string[4]);                                                       
                                                             
                                    Data[0] = FCTN_CDMS_RD_FLASH(0);
                                    Data[1] = FCTN_CDMS_RD_FLASH(1);
                                    //tm_pointer = new Long_tm;
                                    tm_pointer->TM_string[0] = 0x30;
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);
                                    tm_pointer->TM_string[2] = (uint8_t)(flash_counter);
                                    for(uint8_t i=0;i<4;i++)
                                    {
                                        tm_pointer->TM_string[3+i] = (uint8_t)((Data[0]>>(8*i))&0x00FF);
                                    }
                                    for(uint8_t i=4;i<8;i++)
                                    {
                                        tm_pointer->TM_string[3+i] = (uint8_t)((Data[1]>>(8*i))&0x00FF);
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,9);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                tm_pointer->next_TM = NULL;                 return tm_ptr;
                            }                            
                            case 0x2:
                            {
                            //gPC.printf("sub_service:Read from Flash_Memory\r\n");
                            mid=(uint16_t)(tc_ptr->TC_string[3]<<4)+(uint16_t)(tc_ptr->TC_string[4]);                           
                                                                                             
                                    Data[0] = FCTN_CDMS_RD_FLASH(0);
                                    Data[1] = FCTN_CDMS_RD_FLASH(1);                                                                                             
                                    //tm_pointer = new Long_tm;
                                    tm_pointer->TM_string[0] = 0x30;
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);
                                    tm_pointer->TM_string[2] = (uint8_t)(flash_counter);
                                    for(uint8_t i=0;i<4;i++)
                                    {
                                        tm_pointer->TM_string[3+i] = (uint8_t)((Data[0]>>(8*i))&0x00FF);
                                    }
                                    for(uint8_t i=4;i<8;i++)
                                    {
                                        tm_pointer->TM_string[3+i] = (uint8_t)((Data[1]>>(8*i))&0x00FF);
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,9);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                tm_pointer->next_TM = NULL;                 return tm_ptr;
                            }                           
                            case 0x5:
                            {
                            //gPC.printf("WRITE ON FLASH_MEMORY\r\n");                          
                                    mid=(uint16_t)(tc_ptr->TC_string[3]<<4)+(uint16_t)(tc_ptr->TC_string[4]);                                   
                                    block = (((uint32_t)(tc_ptr->TC_string[5])<<24)|((uint32_t)(tc_ptr->TC_string[5])<<16)|((uint32_t)(tc_ptr->TC_string[5])<<8)|((uint32_t)(tc_ptr->TC_string[5])));
                                    FCTN_CDMS_WR_FLASH(mid,block);
                                    //tm_pointer = new Short_tm;
                                    tm_pointer->TM_string[0] = 0xB0;
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);
                                    tm_pointer->TM_string[2] = 0x01;
                                    tm_pointer->TM_string[3] = ACKCODE;  //ackcode to be decided
                                    tm_pointer->TM_string[4] = 0x01;
                                    for(uint8_t i=0;i<6;i++)
                                    {
                                        tm_pointer->TM_string[i+5] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                            }                                                    
                            default:
                            {
                                //gPC.printf("INVALID TC\r\n"); //Send Invalid TC Telemetry
                                //tm_pointer = new Short_tm;
                                tm_pointer->TM_string[0] = 0xB0;
                                tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);
                                tm_pointer->TM_string[2] = 0x01;
                                tm_pointer->TM_string[3] = ACKCODE;  //ackcode to be decided
                                tm_pointer->TM_string[4] = 0x01;
                                for(uint8_t i=0;i<6;i++)
                                {
                                    tm_pointer->TM_string[i+5] = 0;
                                }
                                crc16 = crc16_gen(tm_ptr->TM_string,11);
                                tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                tm_pointer->next_TM = NULL;                 return tm_ptr;                               
                            }
                            break;
                        }
                    }                                                                   
                    case 0x8:
                    {
                        //gPC.printf("service:FUNCTION MANAGEMENT SERVICE\r\n"); 
                        if(GETservice_subtype(tc_ptr)==0x1)
                            {                               
                              if(GETpid(tc_ptr)==0x01)
                                {
                                    //gPC.printf("TC_PL_INIT\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }                                
                                else if(GETpid(tc_ptr)==0x02)
                                {
                                    //gPC.printf("TC_PL_MAIN\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                               else if(GETpid(tc_ptr)==0x03)
                                {
                                    //gPC.printf("TC_COM_INIT\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0x04)
                                {
                                    //gPC.printf("TC_CDMS_HK_MAIN\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                    
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;                                   
                                }
                                else if(GETpid(tc_ptr)==0x11)
                                {
                                    //gPC.printf("TC_SW_ON_SD\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0x12)
                                {
                                    //gPC.printf("TC_SW_ON_RTC\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                    
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0x13)
                                {
                                    //gPC.printf("TC_SW_ON_BAE\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0x14)
                                {
                                    //gPC.printf("TC_SW_ON_PL_DL\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                    
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                 else if(GETpid(tc_ptr)==0x15)
                                {
                                    //gPC.printf("TC_SW_ON_PL_AG_HV\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                 else if(GETpid(tc_ptr)==0x16)
                                {
                                    //gPC.printf("TC_SW_ON_V_A_EN\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;                                   
                                }
                                else if(GETpid(tc_ptr)==0x21)
                                {
                                    //gPC.printf("TC_SW_OFF_SD\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0x22)
                                {
                                    //gPC.printf("TC_SW_OFF_RTC\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                    
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0x23)
                                {
                                    //gPC.printf("TC_SW_OFF_BAE\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0x24)
                                {
                                    //gPC.printf("TC_SW_OFF_PL_DL\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                 else if(GETpid(tc_ptr)==0x25)
                                {
                                    //gPC.printf("TC_SW_OFF_PL_AG_HV\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                 else if(GETpid(tc_ptr)==0x26)
                                {
                                    //gPC.printf("TC_SW_OFF_V_A_EN\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                    
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0x31)
                                {
                                    //gPC.printf("TC_RST_SD\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0x32)
                                {
                                    //gPC.printf("TC_RST_RTC\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0x33)
                                {
                                    //gPC.printf("TC_RST_BAE\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0x34)
                                {
                                    //gPC.printf("TC_RST_PL_DL\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0xC1)
                                {
                                    //gPC.printf("RESET_HK_COUNTER\r\n"); // call PWR_SWCH_ON function
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = ACKCODE;                                   
                                    for(uint8_t i=3;i<11;i++)
                                    {
                                        tm_pointer->TM_string[i] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                    break;
                                }
                                else if(GETpid(tc_ptr)==0xF1)
                                {
                                    //gPC.printf("RD_RTC\r\n"); //call RD_RTC
                                    //tm_pointer = new Short_tm;
                                    tm_pointer->TM_string[0] = 0xD0;
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);
                                    tm_pointer->TM_string[2] = 0x01;
                                    uint64_t time = FCTN_CDMS_RD_RTC();
                                    tm_pointer->TM_string[3] = (uint8_t)((time&0xFF00000000000000)>>56);
                                    tm_pointer->TM_string[4] = (uint8_t)((time&0x00FF000000000000)>>48);
                                    tm_pointer->TM_string[5] = (uint8_t)((time&0x0000FF0000000000)>>40);
                                    tm_pointer->TM_string[6] = (uint8_t)((time&0x000000FF00000000)>>32);
                                    tm_pointer->TM_string[7] = (uint8_t)((time&0x00000000FF000000)>>24);
                                    tm_pointer->TM_string[8] = (uint8_t)((time&0x0000000000FF0000)>>16);
                                    tm_pointer->TM_string[9] = (uint8_t)((time&0x000000000000FF00)>>8);
                                    tm_pointer->TM_string[10] = (uint8_t)(time&0x00000000000000FF);
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                }                               
                                else 
                                {
                                    //gPC.printf("INVALID TC\r\n");
                                    //tm_pointer = new Short_tm; 
                                    tm_pointer->TM_string[0] = 0xB0; 
                                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                                    tm_pointer->TM_string[2] = 0x01;
                                    tm_pointer->TM_string[3] = ACKCODE; //ackcode to be decided
                                    tm_pointer->TM_string[4] = 0x01;
                                    for(uint8_t i=0;i<6;i++)
                                    {
                                        tm_pointer->TM_string[i+5] = 0;
                                    }
                                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                                }
                            }                          
                                              
                                     
                }
                default:
                {
                    //gPC.printf("INVALID TC"); //send invalid TC TM
                    //tm_pointer = new Short_tm; 
                    tm_pointer->TM_string[0] = 0xB0; 
                    tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
                    tm_pointer->TM_string[2] = 0x01;
                    tm_pointer->TM_string[3] = ACKCODE; //ackcode to be decided
                    tm_pointer->TM_string[4] = 0x01;
                    for(uint8_t i=0;i<6;i++)
                    {
                        tm_pointer->TM_string[i+5] = 0;
                    }
                    crc16 = crc16_gen(tm_ptr->TM_string,11);
                    tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
                    tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
                    tm_pointer->next_TM = NULL;                 return tm_ptr;
                    break;
                }
            }
        }
        case 3:
        {
            //gPC.printf("Telecommand is for PL\r\n");
            // gPC.printf("Informing PL about TC using I2C\r\n"); //interrupt to be sent to the bae
            // FCTN_I2C_WRITE((char*)tc_ptr->TC_string);
            // //gPC.printf("sent the Telecommand to BAE\r\n"); //packet along with crc will be sent when bae is ready
            // wait(1); //wait time is to be optimised
            // if(tm_status_4m_slv == 1)
            // {
            //     FCTN_I2C_READ((char*)tm_ptr->TM_string);
            //     received = 1;
            // }
            // if(received == 1 )
            // {
            //     //gPC.printf("Telemetry is received from BAE\r\n");
            //     //gPC.printf("%s", tm_ptr->TM_string);
            //     received  = 0;
            // } // similar to BAE functions
            break;
        }
        default: //invalid TC
        {
            //gPC.printf("INVALID TC\r\n");
            //tm_pointer = new Short_tm; 
            tm_pointer->TM_string[0] = 0xB0; 
            tm_pointer->TM_string[1] = GETpacket_seq_count(tc_ptr);                                    
            tm_pointer->TM_string[2] = 0x01;
            tm_pointer->TM_string[3] = ACKCODE; //ackcode to be decided
            tm_pointer->TM_string[4] = 0x01;
            for(uint8_t i=0;i<6;i++)
            {
                tm_pointer->TM_string[i+5] = 0;
            }
            crc16 = crc16_gen(tm_ptr->TM_string,11);
            tm_pointer->TM_string[11] = (uint8_t)((crc16&0xFF00)>>8);
            tm_pointer->TM_string[12] = (uint8_t)(crc16&0x00FF);
            tm_pointer->next_TM = NULL;                 return tm_ptr;
            break;
        }
     }
}
// CDMS TEAM CODE END
// EXECUTE OBOSC
#define execute_obosc_core(tc_ptr, tm_ptr, reset_flag) {\
    uint8_t service_subtype = (tc_ptr->TC_string[2]) & 0x0F;\
    uint8_t temp8 = 0x00;\
    Base_tc *modify_this = gHEAD_NODE_TCL;\
    int modify_overflow = 0x00;\
    switch( service_subtype ){\
        case OBOSC_SUB_DISABLE:\
             gPC.puts("target psc are "); \
            for(int i = 3 ; i < 9 ; ++i){\
                 gPC.printf("%u ", tc_ptr->TC_string[i]); \
            }\
             gPC.puts("\r\n"); \
             gPC.puts("disable type obosc\r\n"); \
            while( modify_this != NULL ){\
                if( modify_overflow < TCL_OVERFLOW_CONSTANT ){\
                    uint8_t modify_psc = GETpacket_seq_count(modify_this);\
                     gPC.printf("mosify_psc = %u\r\n", modify_psc); \
                    for( int i = 3 ; i < 9 ; ++i ){\
                        uint8_t target_psc = tc_ptr->TC_string[i];\
                        if( (target_psc == modify_psc) && (target_psc != 0) ){\
                            uint16_t tempExec = TC_STATE_DISABLED;\
                            PUTexec_status( modify_this, tempExec );\
                            break;\
                        }\
                    }\
                    modify_this = modify_this->next_TC;\
                    ++modify_overflow;\
                }\
                else{\
                     PENDING: RESET CDMS \
                    break;\
                }\
            }\
            break;\
        case OBOSC_SUB_RETRY:\
             gPC.puts("retry type obosc\r\n"); \
            while( modify_this != NULL ){\
                if( modify_overflow < TCL_OVERFLOW_CONSTANT ){\
                    uint8_t modify_psc = GETpacket_seq_count(modify_this);\
                    for( int i = 3 ; i < 9 ; ++i ){\
                        uint8_t target_psc = tc_ptr->TC_string[i];\
                        if( (target_psc == modify_psc) && (target_psc != 0) ){\
                            uint16_t tempExec = TC_STATE_MARKED_RETRY;\
                            PUTexec_status( modify_this, tempExec );\
                             gPC.puts("reqquired tc found: disable\r\n"); \
                            break;\
                        }\
                    }\
                    modify_this = modify_this->next_TC;\
                    ++modify_overflow;\
                }\
                else{\
                     PENDING: RESET CDMS \
                    break;\
                }\
            }\
            break;\
    }\
    Base_tm *ackl234new = new Short_tm;\
    ackl234new->next_TM = NULL;\
     return telemetry pointer here \
    tm_ptr = ackl234new;\
    temp8 = SHORT_TM_CODE;\
    PUTshort_or_long_tm(ackl234new->fields, temp8);\
    temp8 = TMID_ACK_L234;\
    PUTtmid((ackl234new->fields), temp8);\
    ackl234new->TM_string[0] = TMID_ACK_L234 << 4;\
    ackl234new->TM_string[1] = GETpacket_seq_count(tc_ptr);\
    ackl234new->TM_string[2] = 0xA0;\
    for(int i = 3; i < 11; ++i){\
        ackl234new->TM_string[i] = 0x00;\
    }\
    uint16_t crc = crc16_gen(ackl234new->TM_string, TM_SHORT_SIZE-2);\
    ackl234new->TM_string[11] = (crc & 0xFF00) >> 8;\
    ackl234new->TM_string[12] = crc & 0x00FF;\
     ack l234 old \
    if( service_subtype == OBOSC_SUB_REP_LE ){\
        if( gLAST_TM_SHORT_OR_LONG == SHORT_TM_CODE ){\
            Base_tm *ackl234old = new Short_tm;\
            ackl234old->next_TM = NULL;\
             APPEND TO ACK L234 NEW HERE \
            ackl234new->next_TM = ackl234old;\
            uint8_t temp82 = TM_SHORT_SIZE;\
            PUTshort_or_long_tm(ackl234old->fields, temp82);\
             TMID FOR SHORT TM \
            uint8_t y = (gLAST_TM[0] & 0xF0) >> 4;\
            PUTtmid((ackl234old->fields), y);\
            for( int i = 0 ; i < TM_SHORT_SIZE ; ++i ){\
                ackl234old->TM_string[i] = gLAST_TM[i];\
            }\
        }\
        else{\
            Base_tm *tempLongTM = new Long_tm;\
            tempLongTM->next_TM = NULL;\
             APPEND TO ACK L234 NEW HERE \
            ackl234new->next_TM = tempLongTM;\
            uint8_t temp82 = TM_LONG_SIZE;\
            PUTshort_or_long_tm(tempLongTM->fields, temp82);\
             TMID FOR LONG TM \
            uint8_t y = (gLAST_TM[0] & 0x78) >> 3;\
            PUTtmid((tempLongTM->fields), y);\
            for( int i = 0 ; i < TM_LONG_SIZE ; ++i ){\
                tempLongTM->TM_string[i] = gLAST_TM[i];\
            }\
        }\
    }\
    else if( service_subtype == OBOSC_SUB_REP_TCLD ){\
        get_tc_list(ackl234new->next_TM, GETpacket_seq_count(tc_ptr));\
    }\
    else if( service_subtype == OBOSC_SUB_RESET ){\
         reset_all; \
        reset_flag = 1;\
         PENDING: VERIFY reset_all, RESET CDMS \
    }\
    else if( (service_subtype != OBOSC_SUB_DISABLE) && (service_subtype != OBOSC_SUB_RETRY) ){\
         CHANGE THE ACK CODE TO INVALID TC \
        ackl234new->TM_string[2] = 0xA2;\
    }\
     gPC.puts("completed obosc\r\n"); \
}

 tm_ptr is the next_TM of a linked list, and should have the value NULL, i.e. tm_ptr should be the next_TM pointer of thte last node  
#define get_call_sign(tm_ptr) {\
    Base_tm* call_sign_tm = new Short_tm;\
    call_sign_tm->next_TM = NULL;\
    tm_ptr = call_sign_tm;\
    uint8_t temp8 = TMID_CALL_SIGN;\
    PUTtmid(call_sign_tm->fields, temp8);\
    temp8 = SHORT_TM_CODE;\
    PUTshort_or_long_tm(call_sign_tm->fields, temp8);\
    for( int i = 0 ; i < TM_SHORT_SIZE ; ++i ){\
        call_sign_tm->TM_string[i] = gCALL_SIGN_STRING[i];\
    }\
}

#define EXECUTE_OBOSC_ONLY {\
    int reset_flag = 0;\
    Base_tm *obosc_tm_head = NULL;\
    get_call_sign(obosc_tm_head);\
    Base_tm *obosc_tm_current = obosc_tm_head;\
    get_ack_l1(obosc_tm_current->next_TM);\
    int overflowCountOBONLY = 0;\
    while( obosc_tm_current->next_TM != NULL ){\
        if( overflowCountOBONLY < TM_OVERFLOW_CONSTANT ){\
            obosc_tm_current = obosc_tm_current->next_TM;\
            ++overflowCountOBONLY;\
        }\
        else{\
             PENDING: RESET CDMS \
            break;\
        }\
    }\
    uint8_t obosc_executed_count = 0;\
    for(uint8_t execute_psc = PSC_START_VALUE ; execute_psc < gTOTAL_VALID_TC ; ++execute_psc){\
        Base_tc* current_TC = gHEAD_NODE_TCL;\
        int overCount = 0;\
        while( current_TC != NULL ){\
            if( overCount < TCL_OVERFLOW_CONSTANT ){\
                if( (GETcrc_pass(current_TC) == 1) && (GETpacket_seq_count(current_TC) == execute_psc) ){\
                     CHECK FOR OBOSC \
                    uint8_t temp82 = 0x00;\
                    isit_obosc(current_TC, temp82);\
                    if(temp82 == 0x01){\
                        uint16_t current_exec_status = GETexec_status(current_TC);\
                        if( (current_exec_status == TC_STATE_SUCCESSFULLY_EXECUTED) || (current_exec_status == TC_STATE_DISABLED) )\
                            break;\
                        else if( (current_exec_status == TC_STATE_UNEXECUTED) || (current_exec_status == TC_STATE_MARKED_RETRY) ){\
                             gPC.printf("It is obosc: %u\r\n", execute_psc); \
                             EXECUTION OF OBOSC TC \
                             WARNING: LARGE MEMORY UTILIZATION FOR TC-LIST-REPORT  \
                            execute_obosc_core(current_TC, obosc_tm_current->next_TM, reset_flag);\
                            ++obosc_executed_count;\
                             INCREMENT POINTER TO THE LAST NODE \
                            int overflowCountOBinside = 0;\
                            while( obosc_tm_current->next_TM != NULL ){\
                                if( overflowCountOBinside < TM_OVERFLOW_CONSTANT ){\
                                    obosc_tm_current = obosc_tm_current->next_TM;\
                                    ++overflowCountOBinside;\
                                }\
                                else{\
                                     PENDING: RESET CDMS \
                                    break;\
                                }\
                            }\
                            uint16_t temp16 = TC_STATE_SUCCESSFULLY_EXECUTED;\
                            PUTexec_status(current_TC, temp16);\
                        }\
                    }\
                }\
                current_TC = current_TC->next_TC;\
                ++overCount;\
            }\
            else{\
                 PENDING: REST CDMS: MEMORY LEAK FOUND \
                break;\
            }\
        }\
    }\
    if( obosc_executed_count != 0 ){\
        snd_tm.head_pointer(obosc_tm_head);\
        adf_not_SDcard;\
    }\
    delete_all_tm(obosc_tm_head);\
    if ( reset_flag == 1 ){\
        reset_all;\
        break;\
    }\                        
}

#define EXECUTE_TC {\
    gMASTER_STATE = TCL_STATE_EXECUTING;\
     gPC.printf("%u\r\n", gTOTAL_VALID_TC); \
    for(uint8_t execute_psc = PSC_START_VALUE ; execute_psc < gTOTAL_VALID_TC ; ++execute_psc ){\
         gPC.printf("executing normal %u\r\n", execute_psc); \
         gLEDG = !gLEDG; \
         gLEDR = !gLEDR; \
        Base_tc* current_TC = gHEAD_NODE_TCL;\
        int overflowCount = 0;\
        while(current_TC != NULL){\
            if( overflowCount < TCL_OVERFLOW_CONSTANT ){\
                if( (GETcrc_pass(current_TC) == 1) && (GETpacket_seq_count(current_TC) == execute_psc) ){\
                    uint8_t current_exec_status = GETexec_status(current_TC);\
                    if( (current_exec_status == TC_STATE_SUCCESSFULLY_EXECUTED) || (current_exec_status == TC_STATE_DISABLED) ){\
                         gPC.printf("disabled or completed at %u\n", execute_psc); \
                        if( execute_psc == (gTOTAL_VALID_TC-1) ){\
                            gMASTER_STATE = TCL_STATE_COMPLETED;\
                            Base_tm *tm_ptr_head = NULL;\
                            get_call_sign(tm_ptr_head);\
                            Base_tm *tm_ptr = tm_ptr_head;\
                            get_ack_l1(tm_ptr->next_TM);\
                             Send only call sign, ACK_L1 \
                            snd_tm.head_pointer(tm_ptr_head);\
                            adf_not_SDcard;\
                            delete_all_tm(tm_ptr_head);\
                        }\
                        break;\
                    }\
                    else if( (current_exec_status == TC_STATE_EXECUTION_FAILED) && (GETabort_on_nack(current_TC) == 1) ){\
                         gPC.printf("abort on nack at %u psc\r\n", execute_psc); \
                        gMASTER_STATE = TCL_STATE_ABORTED;\
                        Base_tm *tm_ptr_head = NULL;\
                        get_call_sign(tm_ptr_head);\
                        Base_tm *tm_ptr = tm_ptr_head;\
                        get_ack_l1(tm_ptr->next_TM);\
                         Send only call sign, ACK_L1 \
                        snd_tm.head_pointer(tm_ptr_head);\
                        adf_not_SDcard;\
                        delete_all_tm(tm_ptr_head);\
                        break;\
                    }\
                    else if( (current_exec_status == TC_STATE_UNEXECUTED) || (current_exec_status == TC_STATE_MARKED_RETRY) ){\
                         EXECUTION OF TC START \
                        uint8_t temp81 = 0x00;\
                        isit_sdcard(current_TC, temp81);\
                        if( temp81 == 0x00 ){\
                             gPC.printf("non sd card at %u\r\n", execute_psc); \
                             EXECUTION OF NON SD-CARD (BOTH OBOSC and CDMS functions) \
                            Base_tm *tm_ptr_head = NULL;\
                            get_call_sign(tm_ptr_head);\
                            Base_tm *put_tm_here = NULL;\
                            uint8_t temp82 = 0x00;\
                            uint8_t tempPAhot = 0x00;\
                            isit_obosc(current_TC, temp82);\
                            if(temp82 == 0x01){\
                                 gPC.printf("obosc tc inside normal tc at %u\r\n", execute_psc); \
                                 EXECUTION OF OBOSC TC \
                                 SKIP EXECUTION OF OBOSC HERE \
                                if( execute_psc == (gTOTAL_VALID_TC-1) ){\
                                    gMASTER_STATE = TCL_STATE_COMPLETED;\
                                }\
                                break;\
                            }\
                            else{\
                                 gPC.printf("cdms relay tmtc at %u\r\n", execute_psc); \
                                 call CDMS_RLY_TMTC \
                                 CDMS_RLY_TMTC(current_TC, put_tm_here); \
                                put_tm_here =  FCTN_CDMS_RLY_TMTC(current_TC);\
                            }\
                             DETECT ACK OR NACK \
                            uint8_t temp83 = 0x00;\
                            uint8_t temp84 = GETpacket_seq_count(current_TC);\
                            detect_ack(put_tm_here, temp83, temp84);\
                            if( temp83 == 0x01){\
                                uint16_t temp16 = TC_STATE_SUCCESSFULLY_EXECUTED;\
                                PUTexec_status(current_TC, temp16);\
                            }\
                            else{\
                                 gPC.puts("TC_STATE_EXECUTION_FAILED"); \
                                uint16_t temp16 = TC_STATE_EXECUTION_FAILED;\
                                PUTexec_status(current_TC, temp16);\
                            }\
                             ABORT ON NACK AND TC LIST COMPLETED: UPDATE IN gMASTERSTATE \
                            if( (GETexec_status(current_TC) == TC_STATE_EXECUTION_FAILED) && (GETabort_on_nack(current_TC) == 1) ){\
                                gMASTER_STATE = TCL_STATE_ABORTED;\
                            }\
                            else if( execute_psc == (gTOTAL_VALID_TC-1) ){\
                                 LAST TC IS EXECUTED \
                                gMASTER_STATE = TCL_STATE_COMPLETED;\
                            }\
                             update last executed L1_ack \
                            if( put_tm_here != NULL ){\
                                if( GETshort_or_long_tm(put_tm_here->fields) == SHORT_TM_CODE ){\
                                    for(int i = 0 ; i < TM_SHORT_SIZE ; ++i){\
                                        gLAST_TM[i] = put_tm_here->TM_string[i];\
                                        gLAST_TM_SHORT_OR_LONG = SHORT_TM_CODE;\
                                    }\
                                }\
                                else{\
                                    for( int i = 0 ; i < TM_LONG_SIZE ; ++i ){\
                                        gLAST_TM[i] = put_tm_here->TM_string[i];\
                                        gLAST_TM_SHORT_OR_LONG = LONG_TM_CODE;\
                                    }\
                                }\
                            }\
                             PENDING: APPEND ACK L1 \
                            Base_tm *tm_ptr = tm_ptr_head;\
                            get_ack_l1(tm_ptr->next_TM);\
                            int overflowCountExecute = 0;\
                            while( tm_ptr->next_TM != NULL ){\
                                if( overflowCountExecute < TM_OVERFLOW_CONSTANT ){\
                                    tm_ptr = tm_ptr->next_TM;\
                                    ++overflowCountExecute;\
                                }\
                                else{\
                                     PENDING: RESET CDMS \
                                    break;\
                                }\
                            }\
                            tm_ptr->next_TM = put_tm_here;\
                             CHECK FOR HOT PA \
                            isPAhot(tempPAhot);\
                            if( tempPAhot == 0x00 ){\
                                gFLAGS = gFLAGS | COM_PA_HOT_FLAG;\
                            }\
                             Send call sign, ACK_L1, NON OBSRS TM \
                            snd_tm.head_pointer(tm_ptr_head);\
                            adf_not_SDcard;\                            
                            delete_all_tm(tm_ptr_head);\
                        }\
                        else{\
                             gPC.printf("sd card at %u\r\n", execute_psc); \
                             EXECUTION OF SD-CARD DATA SENDING (OBSRS) \
                            Base_tm *tm_ptr_head = NULL;\
                            get_call_sign(tm_ptr_head);\
                            Base_tm *put_tm_here = NULL;\
                             execute_obsrs(current_TC, put_tm_here) \
                             read_TC(current_TC); \
                            uint8_t tempExec = TC_STATE_SUCCESSFULLY_EXECUTED;\
                            PUTexec_status(current_TC, tempExec);\
                             PENDING: ABORT ON NACK CHECK, gMASTER_STATE VERIFICATION WITH SD CARD,PA hot and session timeout, last executed ack l234 \
                            if( (GETexec_status(current_TC) == TC_STATE_EXECUTION_FAILED) && (GETabort_on_nack(current_TC) == 1) ){\
                                gMASTER_STATE = TCL_STATE_ABORTED;\
                            }\
                            else if( execute_psc == (gTOTAL_VALID_TC-1) ){\
                                gMASTER_STATE = TCL_STATE_COMPLETED;\
                            }\
                             PENDING: APPEND ACK L1 \
                            Base_tm *tm_ptr = tm_ptr_head;\
                            get_ack_l1(tm_ptr->next_TM);\
                            int overflowCountExecute = 0;\
                            while( tm_ptr->next_TM != NULL ){\
                                if( overflowCountExecute < TM_OVERFLOW_CONSTANT ){\
                                    tm_ptr = tm_ptr->next_TM;\
                                    ++overflowCountExecute;\
                                }\
                                else{\
                                     PENDING: RESET CDMS \
                                    break;\
                                }\
                            }\
                            tm_ptr->next_TM = put_tm_here;\
                             CHECK FOR HOT PA \
                            uint8_t tempPAhot = 0x00;\
                            isPAhot(tempPAhot);\
                            if( tempPAhot == 0x00 ){\
                                gFLAGS = gFLAGS | COM_PA_HOT_FLAG;\
                            }\
                             Send only call sign, ACK_L1, OBSRS TM \
                            snd_tm.head_pointer(tm_ptr_head);\
                            adf_not_SDcard;\
                            delete_all_tm(tm_ptr_head);\
                        }\
                    }\
                    break;\
                }\
                current_TC = current_TC->next_TC;\
                ++overflowCount;\
            }\
            else{\
                 PENDING: RESET CDMS \
                break;\
            }\
        }\
        if( gFLAGS & COM_SESSION_TIMEOUT_FLAG ){\
            break;\
        }\
        else if( gMASTER_STATE == TCL_STATE_ABORTED ){\
             gPC.puts("ABORTING DUE TO ABORT ON NACK\r\n"); \
             EXITED DUE TO ABORT ON NACK: \
             PENDING : POWER OFF COM TX \
            RX1M.attach(&rx_read, Serial::RxIrq);\
            gFLAGS = gFLAGS & (~COM_MNG_TMTC_RUNNING_FLAG);\
            break;\
        }\
        else if( gFLAGS & COM_PA_HOT_FLAG ){\
             PA HOT: WAIT FOR TIMEOUT \
            gCOM_PA_COOLING_TIMEOUT.attach(&after_cooling_pa, COM_PA_COOLING_TIME_LIMIT);\
             PENDING : POWER OFF COMM TX \
            RX1M.attach(&rx_read, Serial::RxIrq);\
            gFLAGS = gFLAGS & (~COM_MNG_TMTC_RUNNING_FLAG);\
            break;\
        }\
         gPC.printf("successflly executed %u tc\r\n", execute_psc); \
    }\
    if( (gMASTER_STATE == TCL_STATE_COMPLETED) || (gFLAGS & COM_SESSION_TIMEOUT_FLAG) ){\
         gPC.printf("completed or session timed out: %x\r\n", gMASTER_STATE); \
         COMPLETED EXECUTION OF TC \
        gMASTER_STATE = TCL_STATE_COMPLETED;\
        COM_POWER_OFF_TX;\
        reset_all;\
         PENDING : ENABLE THREADS \
        gSESSION_TIMEOUT.detach();\
        gFLAGS = gFLAGS & (~COM_MNG_TMTC_RUNNING_FLAG);\
        gFLAGS = gFLAGS & (~COM_SESSION_FLAG);\
    }\
}*/