combine lib to one

Dependents:   BMS

Revision:
0:b2692e0e4219
diff -r 000000000000 -r b2692e0e4219 bms_master.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bms_master.cpp	Fri Nov 17 09:02:10 2017 +0000
@@ -0,0 +1,1456 @@
+//
+//#include "mbed.h"
+//#include "bms_master.h"
+//
+//void wakeup_idle(uint8_t total_ic)
+//{
+//  for (int i =0; i<total_ic; i++)
+//  {
+//    CS_PIN = 0;
+//    //delayMicroseconds(2); //Guarantees the isoSPI will be in ready mode
+//    spi_read_byte(0xff);
+//    CS_PIN = 1;
+//  }
+//}
+//
+////Generic wakeup commannd to wake the LTC6813 from sleep
+//void wakeup_sleep(uint8_t total_ic)
+//{
+//  for (int i =0; i<total_ic; i++)
+//  {
+//    CS_PIN = 0;
+//    wait_ms(300); // Guarantees the LTC6813 will be in standby
+//    CS_PIN = 1;
+//    wait_ms(10);
+//  }
+//}
+//
+//
+////Generic function to write 68xx commands. Function calculated PEC for tx_cmd data
+//void cmd_68(uint8_t tx_cmd[2])
+//{
+//  uint8_t cmd[4];
+//  uint16_t cmd_pec;
+//  uint8_t md_bits;
+//
+//  cmd[0] = tx_cmd[0];
+//  cmd[1] =  tx_cmd[1];
+//  cmd_pec = pec15_calc(2, cmd);
+//  cmd[2] = (uint8_t)(cmd_pec >> 8);
+//  cmd[3] = (uint8_t)(cmd_pec);
+//  CS_PIN = 0;
+//  spi_write_array(4,cmd);
+//  CS_PIN = 1;
+//}
+//
+////Generic function to write 68xx commands and write payload data. Function calculated PEC for tx_cmd data
+//void write_68(uint8_t total_ic , uint8_t tx_cmd[2], uint8_t data[])
+//{
+//  const uint8_t BYTES_IN_REG = 6;
+//  const uint8_t CMD_LEN = 4+(8*total_ic);
+//  uint8_t *cmd;
+//  uint16_t data_pec;
+//  uint16_t cmd_pec;
+//  uint8_t cmd_index;
+//
+//  cmd = (uint8_t *)malloc(CMD_LEN*sizeof(uint8_t));
+//  cmd[0] = tx_cmd[0];
+//  cmd[1] = tx_cmd[1];
+//  cmd_pec = pec15_calc(2, cmd);
+//  cmd[2] = (uint8_t)(cmd_pec >> 8);
+//  cmd[3] = (uint8_t)(cmd_pec);
+//  cmd_index = 4;
+//  for (uint8_t current_ic = total_ic; current_ic > 0; current_ic--)       // executes for each LTC681x in daisy chain, this loops starts with
+//  {
+//    // the last IC on the stack. The first configuration written is
+//    // received by the last IC in the daisy chain
+//
+//    for (uint8_t current_byte = 0; current_byte < BYTES_IN_REG; current_byte++)
+//    {
+//      cmd[cmd_index] = data[((current_ic-1)*6)+current_byte];
+//      cmd_index = cmd_index + 1;
+//    }
+//
+//    data_pec = (uint16_t)pec15_calc(BYTES_IN_REG, &data[(current_ic-1)*6]);    // calculating the PEC for each Iss configuration register data
+//    cmd[cmd_index] = (uint8_t)(data_pec >> 8);
+//    cmd[cmd_index + 1] = (uint8_t)data_pec;
+//    cmd_index = cmd_index + 2;
+//  }
+//
+//
+//  CS_PIN = 0;
+//  spi_write_array(CMD_LEN, cmd);
+//  CS_PIN = 1;
+//  free(cmd);
+//}
+//
+////Generic function to write 68xx commands and read data. Function calculated PEC for tx_cmd data
+//int8_t read_68( uint8_t total_ic, uint8_t tx_cmd[2], uint8_t *rx_data)
+//{
+//  const uint8_t BYTES_IN_REG = 8;
+//  uint8_t cmd[4];
+//  uint8_t data[256];
+//  int8_t pec_error = 0;
+//  uint16_t cmd_pec;
+//  uint16_t data_pec;
+//  uint16_t received_pec;
+//
+//  // data = (uint8_t *) malloc((8*total_ic)*sizeof(uint8_t)); // This is a problem because it can fail
+//
+//  cmd[0] = tx_cmd[0];
+//  cmd[1] = tx_cmd[1];
+//  cmd_pec = pec15_calc(2, cmd);
+//  cmd[2] = (uint8_t)(cmd_pec >> 8);
+//  cmd[3] = (uint8_t)(cmd_pec);
+//
+//
+//  CS_PIN = 0;
+//  spi_write_read(cmd, 4, data, (BYTES_IN_REG*total_ic));         //Read the configuration data of all ICs on the daisy chain into
+//  CS_PIN = 1;                          //rx_data[] array
+//
+//  for (uint8_t current_ic = 0; current_ic < total_ic; current_ic++)       //executes for each LTC681x in the daisy chain and packs the data
+//  {
+//    //into the r_comm array as well as check the received Config data
+//    //for any bit errors
+//    for (uint8_t current_byte = 0; current_byte < BYTES_IN_REG; current_byte++)
+//    {
+//      rx_data[(current_ic*8)+current_byte] = data[current_byte + (current_ic*BYTES_IN_REG)];
+//    }
+//    received_pec = (rx_data[(current_ic*8)+6]<<8) + rx_data[(current_ic*8)+7];
+//    data_pec = pec15_calc(6, &rx_data[current_ic*8]);
+//    if (received_pec != data_pec)
+//    {
+//      pec_error = -1;
+//    }
+//  }
+//
+//
+//  return(pec_error);
+//}
+//
+//// Calculates  and returns the CRC15
+//
+//uint16_t pec15_calc(uint8_t len, //Number of bytes that will be used to calculate a PEC
+//                    uint8_t *data //Array of data that will be used to calculate  a PEC
+//                   )
+//{
+//  uint16_t remainder,addr;
+//
+//  remainder = 16;//initialize the PEC
+//  for (uint8_t i = 0; i<len; i++) // loops for each byte in data array
+//  {
+//    addr = ((remainder>>7)^data[i])&0xff;//calculate PEC table address
+//    
+//    remainder = (remainder<<8)^crc15Table[addr];
+//  }
+//  return(remainder*2);//The CRC15 has a 0 in the LSB so the remainder must be multiplied by 2
+//}
+//
+////Starts cell voltage conversion
+//void LTC681x_adcv(
+//  uint8_t MD, //ADC Mode
+//  uint8_t DCP, //Discharge Permit
+//  uint8_t CH //Cell Channels to be measured
+//)
+//{
+//  uint8_t cmd[4];
+//  uint8_t md_bits;
+//
+//  md_bits = (MD & 0x02) >> 1;
+//  cmd[0] = md_bits + 0x02;
+//  md_bits = (MD & 0x01) << 7;
+//  cmd[1] =  md_bits + 0x60 + (DCP<<4) + CH;
+//  cmd_68(cmd);
+//}
+//
+////Starts cell voltage overlap conversion
+//void LTC681x_adol(
+//  uint8_t MD, //ADC Mode
+//  uint8_t DCP //Discharge Permit
+//)
+//{
+//  uint8_t cmd[4];
+//  uint8_t md_bits;
+//  md_bits = (MD & 0x02) >> 1;
+//  cmd[0] = md_bits + 0x02;
+//  md_bits = (MD & 0x01) << 7;
+//  cmd[1] =  md_bits + (DCP<<4) +0x01;
+//  cmd_68(cmd);
+//}
+//
+////Starts cell voltage self test conversion
+//void LTC681x_cvst(
+//  uint8_t MD, //ADC Mode
+//  uint8_t ST //Self Test
+//)
+//{
+//  uint8_t cmd[2];
+//  uint8_t md_bits;
+//
+//  md_bits = (MD & 0x02) >> 1;
+//  cmd[0] = md_bits + 0x02;
+//  md_bits = (MD & 0x01) << 7;
+//  cmd[1] =  md_bits + ((ST)<<5) +0x07;
+//  cmd_68(cmd);
+//
+//}
+//
+////Start an Auxiliary Register Self Test Conversion
+//void LTC681x_axst(
+//  uint8_t MD, //ADC Mode
+//  uint8_t ST //Self Test
+//)
+//{
+//  uint8_t cmd[4];
+//  uint8_t md_bits;
+//
+//  md_bits = (MD & 0x02) >> 1;
+//  cmd[0] = md_bits + 0x04;
+//  md_bits = (MD & 0x01) << 7;
+//  cmd[1] =  md_bits + ((ST&0x03)<<5) +0x07;
+//  cmd_68(cmd);
+//
+//}
+//
+////Start a Status Register Self Test Conversion
+//void LTC681x_statst(
+//  uint8_t MD, //ADC Mode
+//  uint8_t ST //Self Test
+//)
+//{
+//  uint8_t cmd[2];
+//  uint8_t md_bits;
+//
+//  md_bits = (MD & 0x02) >> 1;
+//  cmd[0] = md_bits + 0x04;
+//  md_bits = (MD & 0x01) << 7;
+//  cmd[1] =  md_bits + ((ST&0x03)<<5) +0x0F;
+//  cmd_68(cmd);
+//
+//}
+//
+////This function will block operation until the ADC has finished it's conversion
+//uint32_t LTC681x_pollAdc()
+//{
+//  uint32_t counter = 0;
+//  uint8_t finished = 0;
+//  uint8_t current_time = 0;
+//  uint8_t cmd[4];
+//  uint16_t cmd_pec;
+//
+//
+//  cmd[0] = 0x07;
+//  cmd[1] = 0x14;
+//  cmd_pec = pec15_calc(2, cmd);
+//  cmd[2] = (uint8_t)(cmd_pec >> 8);
+//  cmd[3] = (uint8_t)(cmd_pec);
+//
+//  CS_PIN = 0;
+//  spi_write_array(4,cmd);
+//
+//  while ((counter<200000)&&(finished == 0))
+//  {
+//    current_time = spi_read_byte(0xff);
+//    if (current_time>0)
+//    {
+//      finished = 1;
+//    }
+//    else
+//    {
+//      counter = counter + 10;
+//    }
+//  }
+//
+//  CS_PIN = 1;
+//
+//
+//  return(counter);
+//}
+//
+////Start a GPIO and Vref2 Conversion
+//void LTC681x_adax(
+//  uint8_t MD, //ADC Mode
+//  uint8_t CHG //GPIO Channels to be measured)
+//)
+//{
+//  uint8_t cmd[4];
+//  uint8_t md_bits;
+//
+//  md_bits = (MD & 0x02) >> 1;
+//  cmd[0] = md_bits + 0x04;
+//  md_bits = (MD & 0x01) << 7;
+//  cmd[1] = md_bits + 0x60 + CHG ;
+//  cmd_68(cmd);
+//
+//}
+////Start an GPIO Redundancy test
+//void LTC681x_adaxd(
+//  uint8_t MD, //ADC Mode
+//  uint8_t CHG //GPIO Channels to be measured)
+//)
+//{
+//  uint8_t cmd[4];
+//  uint8_t md_bits;
+//
+//  md_bits = (MD & 0x02) >> 1;
+//  cmd[0] = md_bits + 0x04;
+//  md_bits = (MD & 0x01) << 7;
+//  cmd[1] = md_bits + CHG ;
+//  cmd_68(cmd);
+//}
+//
+////Start a Status ADC Conversion
+//void LTC681x_adstat(
+//  uint8_t MD, //ADC Mode
+//  uint8_t CHST //GPIO Channels to be measured
+//)
+//{
+//  uint8_t cmd[4];
+//  uint8_t md_bits;
+//
+//  md_bits = (MD & 0x02) >> 1;
+//  cmd[0] = md_bits + 0x04;
+//  md_bits = (MD & 0x01) << 7;
+//  cmd[1] = md_bits + 0x68 + CHST ;
+//  cmd_68(cmd);
+//}
+//
+//// Start a Status register redundancy test Conversion
+//void LTC681x_adstatd(
+//  uint8_t MD, //ADC Mode
+//  uint8_t CHST //GPIO Channels to be measured
+//)
+//{
+//  uint8_t cmd[2];
+//  uint8_t md_bits;
+//
+//  md_bits = (MD & 0x02) >> 1;
+//  cmd[0] = md_bits + 0x04;
+//  md_bits = (MD & 0x01) << 7;
+//  cmd[1] = md_bits + 0x08 + CHST ;
+//  cmd_68(cmd);
+//
+//}
+//
+//
+//// Start an open wire Conversion
+//void LTC681x_adow(
+//  uint8_t MD, //ADC Mode
+//  uint8_t PUP //Discharge Permit
+//)
+//{
+//  uint8_t cmd[2];
+//  uint8_t md_bits;
+//  md_bits = (MD & 0x02) >> 1;
+//  cmd[0] = md_bits + 0x02;
+//  md_bits = (MD & 0x01) << 7;
+//  cmd[1] =  md_bits + 0x28 + (PUP<<6) ;//+ CH;
+//  cmd_68(cmd);
+//}
+//
+//// Reads the raw cell voltage register data
+//void LTC681x_rdcv_reg(uint8_t reg, //Determines which cell voltage register is read back
+//                      uint8_t total_ic, //the number of ICs in the
+//                      uint8_t *data //An array of the unparsed cell codes
+//                     )
+//{
+//  const uint8_t REG_LEN = 8; //number of bytes in each ICs register + 2 bytes for the PEC
+//  uint8_t cmd[4];
+//  uint16_t cmd_pec;
+//
+//  if (reg == 1)     //1: RDCVA
+//  {
+//    cmd[1] = 0x04;
+//    cmd[0] = 0x00;
+//  }
+//  else if (reg == 2) //2: RDCVB
+//  {
+//    cmd[1] = 0x06;
+//    cmd[0] = 0x00;
+//  }
+//  else if (reg == 3) //3: RDCVC
+//  {
+//    cmd[1] = 0x08;
+//    cmd[0] = 0x00;
+//  }
+//  else if (reg == 4) //4: RDCVD
+//  {
+//    cmd[1] = 0x0A;
+//    cmd[0] = 0x00;
+//  }
+//  else if (reg == 5) //4: RDCVE
+//  {
+//    cmd[1] = 0x09;
+//    cmd[0] = 0x00;
+//  }
+//  else if (reg == 6) //4: RDCVF
+//  {
+//    cmd[1] = 0x0B;
+//    cmd[0] = 0x00;
+//  }
+//
+//
+//  cmd_pec = pec15_calc(2, cmd);
+//  cmd[2] = (uint8_t)(cmd_pec >> 8);
+//  cmd[3] = (uint8_t)(cmd_pec);
+//
+//  CS_PIN = 0;
+//  spi_write_read(cmd,4,data,(REG_LEN*total_ic));
+//  CS_PIN = 1;
+//
+//}
+//
+///*
+//The function reads a single GPIO voltage register and stores thre read data
+//in the *data point as a byte array. This function is rarely used outside of
+//the LTC6811_rdaux() command.
+//*/
+//void LTC681x_rdaux_reg(uint8_t reg, //Determines which GPIO voltage register is read back
+//                       uint8_t total_ic, //The number of ICs in the system
+//                       uint8_t *data //Array of the unparsed auxiliary codes
+//                      )
+//{
+//  const uint8_t REG_LEN = 8; // number of bytes in the register + 2 bytes for the PEC
+//  uint8_t cmd[4];
+//  uint16_t cmd_pec;
+//
+//
+//  if (reg == 1)     //Read back auxiliary group A
+//  {
+//    cmd[1] = 0x0C;
+//    cmd[0] = 0x00;
+//  }
+//  else if (reg == 2)  //Read back auxiliary group B
+//  {
+//    cmd[1] = 0x0e;
+//    cmd[0] = 0x00;
+//  }
+//  else if (reg == 3)  //Read back auxiliary group C
+//  {
+//    cmd[1] = 0x0D;
+//    cmd[0] = 0x00;
+//  }
+//  else if (reg == 4)  //Read back auxiliary group D
+//  {
+//    cmd[1] = 0x0F;
+//    cmd[0] = 0x00;
+//  }
+//  else          //Read back auxiliary group A
+//  {
+//    cmd[1] = 0x0C;
+//    cmd[0] = 0x00;
+//  }
+//
+//  cmd_pec = pec15_calc(2, cmd);
+//  cmd[2] = (uint8_t)(cmd_pec >> 8);
+//  cmd[3] = (uint8_t)(cmd_pec);
+//
+//  CS_PIN = 0;
+//  spi_write_read(cmd,4,data,(REG_LEN*total_ic));
+//  CS_PIN = 1;
+//
+//}
+//
+///*
+//The function reads a single stat  register and stores the read data
+//in the *data point as a byte array. This function is rarely used outside of
+//the LTC6811_rdstat() command.
+//*/
+//void LTC681x_rdstat_reg(uint8_t reg, //Determines which stat register is read back
+//                        uint8_t total_ic, //The number of ICs in the system
+//                        uint8_t *data //Array of the unparsed stat codes
+//                       )
+//{
+//  const uint8_t REG_LEN = 8; // number of bytes in the register + 2 bytes for the PEC
+//  uint8_t cmd[4];
+//  uint16_t cmd_pec;
+//
+//
+//  if (reg == 1)     //Read back statiliary group A
+//  {
+//    cmd[1] = 0x10;
+//    cmd[0] = 0x00;
+//  }
+//  else if (reg == 2)  //Read back statiliary group B
+//  {
+//    cmd[1] = 0x12;
+//    cmd[0] = 0x00;
+//  }
+//
+//  else          //Read back statiliary group A
+//  {
+//    cmd[1] = 0x10;
+//    cmd[0] = 0x00;
+//  }
+//
+//  cmd_pec = pec15_calc(2, cmd);
+//  cmd[2] = (uint8_t)(cmd_pec >> 8);
+//  cmd[3] = (uint8_t)(cmd_pec);
+//
+//  CS_PIN = 0;
+//  spi_write_read(cmd,4,data,(REG_LEN*total_ic));
+//  CS_PIN = 1;
+//
+//}
+//
+///*
+//The command clears the cell voltage registers and intiallizes
+//all values to 1. The register will read back hexadecimal 0xFF
+//after the command is sent.
+//*/
+//void LTC681x_clrcell()
+//{
+//  uint8_t cmd[2]= {0x07 , 0x11};
+//  cmd_68(cmd);
+//}
+//
+///*
+//The command clears the Auxiliary registers and initializes
+//all values to 1. The register will read back hexadecimal 0xFF
+//after the command is sent.
+//*/
+//void LTC681x_clraux()
+//{
+//  uint8_t cmd[2]= {0x07 , 0x12};
+//  cmd_68(cmd);
+//}
+//
+//
+///*
+//The command clears the Stat registers and intiallizes
+//all values to 1. The register will read back hexadecimal 0xFF
+//after the command is sent.
+//
+//*/
+//void LTC681x_clrstat()
+//{
+//  uint8_t cmd[2]= {0x07 , 0x13};
+//  cmd_68(cmd);
+//}
+//
+////Starts the Mux Decoder diagnostic self test
+//void LTC681x_diagn()
+//{
+//  uint8_t cmd[2] = {0x07 , 0x15};
+//  cmd_68(cmd);
+//}
+//
+////Reads and parses the LTC681x cell voltage registers.
+//uint8_t LTC681x_rdcv(uint8_t reg, // Controls which cell voltage register is read back.
+//                     uint8_t total_ic, // the number of ICs in the system
+//                     cell_asic ic[] // Array of the parsed cell codes
+//                    )
+//{
+//  int8_t pec_error = 0;
+//  uint8_t *cell_data;
+//  uint8_t c_ic = 0;
+//  cell_data = (uint8_t *) malloc((NUM_RX_BYT*total_ic)*sizeof(uint8_t));
+//
+//  if (reg == 0)
+//  {
+//    for (uint8_t cell_reg = 1; cell_reg<ic[0].ic_reg.num_cv_reg+1; cell_reg++)                   //executes once for each of the LTC6811 cell voltage registers
+//    {
+//      LTC681x_rdcv_reg(cell_reg, total_ic,cell_data );
+//      for (int current_ic = 0; current_ic<total_ic; current_ic++)
+//      {
+//        if (ic->isospi_reverse == false)
+//        {
+//          c_ic = current_ic;
+//        }
+//        else
+//        {
+//          c_ic = total_ic - current_ic - 1;
+//        }
+//        pec_error = pec_error + parse_cells(current_ic,cell_reg, cell_data,
+//                                            &ic[c_ic].cells.c_codes[0],
+//                                            &ic[c_ic].cells.pec_match[0]);
+//      }
+//    }
+//  }
+//
+//  else
+//  {
+//    LTC681x_rdcv_reg(reg, total_ic,cell_data);
+//
+//    for (int current_ic = 0; current_ic<total_ic; current_ic++)
+//    {
+//      if (ic->isospi_reverse == false)
+//      {
+//        c_ic = current_ic;
+//      }
+//      else
+//      {
+//        c_ic = total_ic - current_ic - 1;
+//      }
+//      pec_error = pec_error + parse_cells(current_ic,reg, &cell_data[8*c_ic],
+//                                          &ic[c_ic].cells.c_codes[0],
+//                                          &ic[c_ic].cells.pec_match[0]);
+//    }
+//  }
+//  LTC681x_check_pec(total_ic,CELL,ic);
+//  free(cell_data);
+//  return(pec_error);
+//}
+//
+////helper function that parses voltage measurement registers
+//int8_t parse_cells(uint8_t current_ic, uint8_t cell_reg, uint8_t cell_data[], uint16_t *cell_codes, uint8_t *ic_pec)
+//{
+//
+//  const uint8_t BYT_IN_REG = 6;
+//  const uint8_t CELL_IN_REG = 3;
+//  int8_t pec_error = 0;
+//  uint16_t parsed_cell;
+//  uint16_t received_pec;
+//  uint16_t data_pec;
+//  uint8_t data_counter = current_ic*NUM_RX_BYT; //data counter
+//
+//
+//  for (uint8_t current_cell = 0; current_cell<CELL_IN_REG; current_cell++)  // This loop parses the read back data into cell voltages, it
+//  {
+//    // loops once for each of the 3 cell voltage codes in the register
+//
+//    parsed_cell = cell_data[data_counter] + (cell_data[data_counter + 1] << 8);//Each cell code is received as two bytes and is combined to
+//    // create the parsed cell voltage code
+//    cell_codes[current_cell  + ((cell_reg - 1) * CELL_IN_REG)] = parsed_cell;
+//    data_counter = data_counter + 2;                       //Because cell voltage codes are two bytes the data counter
+//    //must increment by two for each parsed cell code
+//  }
+//
+//  received_pec = (cell_data[data_counter] << 8) | cell_data[data_counter+1]; //The received PEC for the current_ic is transmitted as the 7th and 8th
+//  //after the 6 cell voltage data bytes
+//  data_pec = pec15_calc(BYT_IN_REG, &cell_data[(current_ic) * NUM_RX_BYT]);
+//
+//  if (received_pec != data_pec)
+//  {
+//    pec_error = 1;                             //The pec_error variable is simply set negative if any PEC errors
+//    ic_pec[cell_reg-1]=1;
+//  }
+//  else
+//  {
+//    ic_pec[cell_reg-1]=0;
+//  }
+//  data_counter=data_counter+2;
+//  return(pec_error);
+//}
+//
+///*
+//The function is used
+//to read the  parsed GPIO codes of the LTC6811. This function will send the requested
+//read commands parse the data and store the gpio voltages in aux_codes variable
+//*/
+//int8_t LTC681x_rdaux(uint8_t reg, //Determines which GPIO voltage register is read back.
+//                     uint8_t total_ic,//the number of ICs in the system
+//                     cell_asic ic[]//A two dimensional array of the gpio voltage codes.
+//                    )
+//{
+//  uint8_t *data;
+//  int8_t pec_error = 0;
+//  uint8_t c_ic =0;
+//  data = (uint8_t *) malloc((NUM_RX_BYT*total_ic)*sizeof(uint8_t));
+//
+//  if (reg == 0)
+//  {
+//    for (uint8_t gpio_reg = 1; gpio_reg<ic[0].ic_reg.num_gpio_reg+1; gpio_reg++)                 //executes once for each of the LTC6811 aux voltage registers
+//    {
+//      LTC681x_rdaux_reg(gpio_reg, total_ic,data);                 //Reads the raw auxiliary register data into the data[] array
+//      for (int current_ic = 0; current_ic<total_ic; current_ic++)
+//      {
+//        if (ic->isospi_reverse == false)
+//        {
+//          c_ic = current_ic;
+//        }
+//        else
+//        {
+//          c_ic = total_ic - current_ic - 1;
+//        }
+//        pec_error = parse_cells(current_ic,gpio_reg, data,
+//                                &ic[c_ic].aux.a_codes[0],
+//                                &ic[c_ic].aux.pec_match[0]);
+//
+//      }
+//    }
+//  }
+//  else
+//  {
+//    LTC681x_rdaux_reg(reg, total_ic, data);
+//
+//    for (int current_ic = 0; current_ic<total_ic; current_ic++)
+//    {
+//      if (ic->isospi_reverse == false)
+//      {
+//        c_ic = current_ic;
+//      }
+//      else
+//      {
+//        c_ic = total_ic - current_ic - 1;
+//      }
+//      pec_error = parse_cells(current_ic,reg, data,
+//                              &ic[c_ic].aux.a_codes[0],
+//                              &ic[c_ic].aux.pec_match[0]);
+//    }
+//
+//  }
+//  LTC681x_check_pec(total_ic,AUX,ic);
+//  free(data);
+//  return (pec_error);
+//}
+//
+//// Reads and parses the LTC681x stat registers.
+//int8_t LTC681x_rdstat(uint8_t reg, //Determines which Stat  register is read back.
+//                      uint8_t total_ic,//the number of ICs in the system
+//                      cell_asic ic[]
+//                     )
+//
+//{
+//
+//  const uint8_t BYT_IN_REG = 6;
+//  const uint8_t GPIO_IN_REG = 3;
+//
+//  uint8_t *data;
+//  uint8_t data_counter = 0;
+//  int8_t pec_error = 0;
+//  uint16_t parsed_stat;
+//  uint16_t received_pec;
+//  uint16_t data_pec;
+//  uint8_t c_ic = 0;
+//  data = (uint8_t *) malloc((NUM_RX_BYT*total_ic)*sizeof(uint8_t));
+//
+//  if (reg == 0)
+//  {
+//
+//    for (uint8_t stat_reg = 1; stat_reg< 3; stat_reg++)                      //executes once for each of the LTC6811 stat voltage registers
+//    {
+//      data_counter = 0;
+//      LTC681x_rdstat_reg(stat_reg, total_ic,data);                            //Reads the raw statiliary register data into the data[] array
+//
+//      for (uint8_t current_ic = 0 ; current_ic < total_ic; current_ic++)      // executes for every LTC6811 in the daisy chain
+//      {
+//        if (ic->isospi_reverse == false)
+//        {
+//          c_ic = current_ic;
+//        }
+//        else
+//        {
+//          c_ic = total_ic - current_ic - 1;
+//        }
+//        // current_ic is used as the IC counter
+//        if (stat_reg ==1)
+//        {
+//          for (uint8_t current_gpio = 0; current_gpio< GPIO_IN_REG; current_gpio++) // This loop parses the read back data into GPIO voltages, it
+//          {
+//            // loops once for each of the 3 gpio voltage codes in the register
+//
+//            parsed_stat = data[data_counter] + (data[data_counter+1]<<8);              //Each gpio codes is received as two bytes and is combined to
+//            ic[c_ic].stat.stat_codes[current_gpio] = parsed_stat;
+//            data_counter=data_counter+2;                                               //Because gpio voltage codes are two bytes the data counter
+//
+//          }
+//        }
+//        else if (stat_reg == 2)
+//        {
+//          parsed_stat = data[data_counter] + (data[data_counter+1]<<8);              //Each gpio codes is received as two bytes and is combined to
+//          data_counter = data_counter +2;
+//          ic[c_ic].stat.stat_codes[3] = parsed_stat;
+//          ic[c_ic].stat.flags[0] = data[data_counter++];
+//          ic[c_ic].stat.flags[1] = data[data_counter++];
+//          ic[c_ic].stat.flags[2] = data[data_counter++];
+//          ic[c_ic].stat.mux_fail[0] = (data[data_counter] & 0x02)>>1;
+//          ic[c_ic].stat.thsd[0] = data[data_counter++] & 0x01;
+//        }
+//
+//        received_pec = (data[data_counter]<<8)+ data[data_counter+1];          //The received PEC for the current_ic is transmitted as the 7th and 8th
+//        //after the 6 gpio voltage data bytes
+//        data_pec = pec15_calc(BYT_IN_REG, &data[current_ic*NUM_RX_BYT]);
+//
+//        if (received_pec != data_pec)
+//        {
+//          pec_error = -1; //The pec_error variable is simply set negative if any PEC errors
+//          ic[c_ic].stat.pec_match[stat_reg-1]=1;
+//          //are detected in the received serial data
+//        }
+//        else
+//        {
+//          ic[c_ic].stat.pec_match[stat_reg-1]=0;
+//        }
+//
+//        data_counter=data_counter+2;                        //Because the transmitted PEC code is 2 bytes long the data_counter
+//        //must be incremented by 2 bytes to point to the next ICs gpio voltage data
+//      }
+//
+//
+//    }
+//
+//  }
+//  else
+//  {
+//
+//    LTC681x_rdstat_reg(reg, total_ic, data);
+//    for (int current_ic = 0 ; current_ic < total_ic; current_ic++)            // executes for every LTC6811 in the daisy chain
+//    {
+//      // current_ic is used as an IC counter
+//      if (ic->isospi_reverse == false)
+//      {
+//        c_ic = current_ic;
+//      }
+//      else
+//      {
+//        c_ic = total_ic - current_ic - 1;
+//      }
+//      if (reg ==1)
+//      {
+//        for (uint8_t current_gpio = 0; current_gpio< GPIO_IN_REG; current_gpio++) // This loop parses the read back data into GPIO voltages, it
+//        {
+//          // loops once for each of the 3 gpio voltage codes in the register
+//          parsed_stat = data[data_counter] + (data[data_counter+1]<<8);              //Each gpio codes is received as two bytes and is combined to
+//          // create the parsed gpio voltage code
+//
+//          ic[c_ic].stat.stat_codes[current_gpio] = parsed_stat;
+//          data_counter=data_counter+2;                        //Because gpio voltage codes are two bytes the data counter
+//          //must increment by two for each parsed gpio voltage code
+//
+//        }
+//      }
+//      else if (reg == 2)
+//      {
+//        parsed_stat = data[data_counter++] + (data[data_counter++]<<8);              //Each gpio codes is received as two bytes and is combined to
+//        ic[c_ic].stat.stat_codes[3] = parsed_stat;
+//        ic[c_ic].stat.flags[0] = data[data_counter++];
+//        ic[c_ic].stat.flags[1] = data[data_counter++];
+//        ic[c_ic].stat.flags[2] = data[data_counter++];
+//        ic[c_ic].stat.mux_fail[0] = (data[data_counter] & 0x02)>>1;
+//        ic[c_ic].stat.thsd[0] = data[data_counter++] & 0x01;
+//      }
+//
+//
+//      received_pec = (data[data_counter]<<8)+ data[data_counter+1];          //The received PEC for the current_ic is transmitted as the 7th and 8th
+//      //after the 6 gpio voltage data bytes
+//      data_pec = pec15_calc(BYT_IN_REG, &data[current_ic*NUM_RX_BYT]);
+//      if (received_pec != data_pec)
+//      {
+//        pec_error = -1;                             //The pec_error variable is simply set negative if any PEC errors
+//        ic[c_ic].stat.pec_match[reg-1]=1;
+//
+//      }
+//
+//      data_counter=data_counter+2;
+//    }
+//  }
+//  LTC681x_check_pec(total_ic,STAT,ic);
+//  free(data);
+//  return (pec_error);
+//}
+//
+////Write the LTC681x CFGRA
+//void LTC681x_wrcfg(uint8_t total_ic, //The number of ICs being written to
+//                   cell_asic ic[]
+//                  )
+//{
+//  uint8_t cmd[2] = {0x00 , 0x01} ;
+//  uint8_t write_buffer[256];
+//  uint8_t write_count = 0;
+//  uint8_t c_ic = 0;
+//  for (uint8_t current_ic = 0; current_ic<total_ic; current_ic++)
+//  {
+//    if (ic->isospi_reverse == true)
+//    {
+//      c_ic = current_ic;
+//    }
+//    else
+//    {
+//      c_ic = total_ic - current_ic - 1;
+//    }
+//
+//    for (uint8_t data = 0; data<6; data++)
+//    {
+//      write_buffer[write_count] = ic[c_ic].config.tx_data[data];
+//      write_count++;
+//    }
+//  }
+//  write_68(total_ic, cmd, write_buffer);
+//}
+//
+////Read CFGA
+//int8_t LTC681x_rdcfg(uint8_t total_ic, //Number of ICs in the system
+//                     cell_asic ic[]
+//                    )
+//{
+//  uint8_t cmd[2]= {0x00 , 0x02};
+//  uint8_t read_buffer[256];
+//  int8_t pec_error = 0;
+//  uint16_t data_pec;
+//  uint16_t calc_pec;
+//  uint8_t c_ic = 0;
+//  pec_error = read_68(total_ic, cmd, read_buffer);
+//  for (uint8_t current_ic = 0; current_ic<total_ic; current_ic++)
+//  {
+//    if (ic->isospi_reverse == false)
+//    {
+//      c_ic = current_ic;
+//    }
+//    else
+//    {
+//      c_ic = total_ic - current_ic - 1;
+//    }
+//
+//    for (int byte=0; byte<8; byte++)
+//    {
+//      ic[c_ic].config.rx_data[byte] = read_buffer[byte+(8*current_ic)];
+//    }
+//    calc_pec = pec15_calc(6,&read_buffer[8*current_ic]);
+//    data_pec = read_buffer[7+(8*current_ic)] | (read_buffer[6+(8*current_ic)]<<8);
+//    if (calc_pec != data_pec )
+//    {
+//      ic[c_ic].config.rx_pec_match = 1;
+//    }
+//    else ic[c_ic].config.rx_pec_match = 0;
+//  }
+//  LTC681x_check_pec(total_ic,CFGR,ic);
+//  return(pec_error);
+//}
+//
+////Looks up the result pattern for digital filter self test
+//uint16_t LTC681x_st_lookup(
+//  uint8_t MD, //ADC Mode
+//  uint8_t ST //Self Test
+//)
+//{
+//  uint16_t test_pattern = 0;
+//  if (MD == 1)
+//  {
+//    if (ST == 1)
+//    {
+//      test_pattern = 0x9565;
+//    }
+//    else
+//    {
+//      test_pattern = 0x6A9A;
+//    }
+//  }
+//  else
+//  {
+//    if (ST == 1)
+//    {
+//      test_pattern = 0x9555;
+//    }
+//    else
+//    {
+//      test_pattern = 0x6AAA;
+//    }
+//  }
+//  return(test_pattern);
+//}
+//
+////Clears all of the DCC bits in the configuration registers
+//void clear_discharge(uint8_t total_ic, cell_asic ic[])
+//{
+//  for (int i=0; i<total_ic; i++)
+//  {
+//    ic[i].config.tx_data[4] = 0;
+//    ic[i].config.tx_data[5] = 0;
+//  }
+//}
+//
+//// Runs the Digital Filter Self Test
+//int16_t LTC681x_run_cell_adc_st(uint8_t adc_reg,uint8_t total_ic, cell_asic ic[])
+//{
+//  int16_t error = 0;
+//  uint16_t expected_result = 0;
+//  for (int self_test = 1; self_test<3; self_test++)
+//  {
+//
+//    expected_result = LTC681x_st_lookup(2,self_test);
+//    wakeup_idle(total_ic);
+//    switch (adc_reg)
+//    {
+//      case CELL:
+//        wakeup_idle(total_ic);
+//        LTC681x_clrcell();
+//        LTC681x_cvst(2,self_test);
+//        LTC681x_pollAdc();//this isn't working
+//        wakeup_idle(total_ic);
+//        error = LTC681x_rdcv(0, total_ic,ic);
+//        for (int cic = 0; cic < total_ic; cic++)
+//        {
+//          for (int channel=0; channel< ic[cic].ic_reg.cell_channels; channel++)
+//          {
+//            if (ic[cic].cells.c_codes[channel] != expected_result)
+//            {
+//              error = error+1;
+//            }
+//          }
+//        }
+//        break;
+//      case AUX:
+//        error = 0;
+//        wakeup_idle(total_ic);
+//        LTC681x_clraux();
+//        LTC681x_axst(2,self_test);
+//        LTC681x_pollAdc();
+//        wait_ms(10);
+//        wakeup_idle(total_ic);
+//        LTC681x_rdaux(0, total_ic,ic);
+//        for (int cic = 0; cic < total_ic; cic++)
+//        {
+//          for (int channel=0; channel< ic[cic].ic_reg.aux_channels; channel++)
+//          {
+//            if (ic[cic].aux.a_codes[channel] != expected_result)
+//            {
+//              error = error+1;
+//            }
+//          }
+//        }
+//        break;
+//      case STAT:
+//        wakeup_idle(total_ic);
+//        LTC681x_clrstat();
+//        LTC681x_statst(2,self_test);
+//        LTC681x_pollAdc();
+//        wakeup_idle(total_ic);
+//        error = LTC681x_rdstat(0,total_ic,ic);
+//        for (int cic = 0; cic < total_ic; cic++)
+//        {
+//          for (int channel=0; channel< ic[cic].ic_reg.stat_channels; channel++)
+//          {
+//            if (ic[cic].stat.stat_codes[channel] != expected_result)
+//            {
+//              error = error+1;
+//            }
+//          }
+//        }
+//        break;
+//
+//      default:
+//        error = -1;
+//        break;
+//    }
+//  }
+//  return(error);
+//}
+//
+////runs the redundancy self test
+//int16_t LTC681x_run_adc_redundancy_st(uint8_t adc_mode, uint8_t adc_reg, uint8_t total_ic, cell_asic ic[])
+//{
+//  int16_t error = 0;
+//  for (int self_test = 1; self_test<3; self_test++)
+//  {
+//    wakeup_idle(total_ic);
+//    switch (adc_reg)
+//    {
+//      case AUX:
+//        LTC681x_clraux();
+//        LTC681x_adaxd(adc_mode,AUX_CH_ALL);
+//        LTC681x_pollAdc();
+//        wakeup_idle(total_ic);
+//        error = LTC681x_rdaux(0, total_ic,ic);
+//        for (int cic = 0; cic < total_ic; cic++)
+//        {
+//          for (int channel=0; channel< ic[cic].ic_reg.aux_channels; channel++)
+//          {
+//            if (ic[cic].aux.a_codes[channel] >= 65280)
+//            {
+//              error = error+1;
+//            }
+//          }
+//        }
+//        break;
+//      case STAT:
+//        LTC681x_clrstat();
+//        LTC681x_adstatd(adc_mode,STAT_CH_ALL);
+//        LTC681x_pollAdc();
+//        wakeup_idle(total_ic);
+//        error = LTC681x_rdstat(0,total_ic,ic);
+//        for (int cic = 0; cic < total_ic; cic++)
+//        {
+//          for (int channel=0; channel< ic[cic].ic_reg.stat_channels; channel++)
+//          {
+//            if (ic[cic].stat.stat_codes[channel] >= 65280)
+//            {
+//              error = error+1;
+//            }
+//          }
+//        }
+//        break;
+//
+//      default:
+//        error = -1;
+//        break;
+//    }
+//  }
+//  return(error);
+//}
+//
+////Runs the datasheet algorithm for open wire
+//void LTC681x_run_openwire(uint8_t total_ic, cell_asic ic[])
+//{
+//  uint16_t OPENWIRE_THRESHOLD = 4000;
+//  const uint8_t  N_CHANNELS = ic[0].ic_reg.cell_channels;
+//
+//  cell_asic pullUp_cell_codes[total_ic];
+//  cell_asic pullDwn_cell_codes[total_ic];
+//  cell_asic openWire_delta[total_ic];
+//  int8_t error;
+//
+//  wakeup_sleep(total_ic);
+//  LTC681x_adow(MD_7KHZ_3KHZ,PULL_UP_CURRENT);
+//  LTC681x_pollAdc();
+//  wakeup_idle(total_ic);
+//  LTC681x_adow(MD_7KHZ_3KHZ,PULL_UP_CURRENT);
+//  LTC681x_pollAdc();
+//  wakeup_idle(total_ic);
+//  error = LTC681x_rdcv(0, total_ic,pullUp_cell_codes);
+//
+//  wakeup_idle(total_ic);
+//  LTC681x_adow(MD_7KHZ_3KHZ,PULL_DOWN_CURRENT);
+//  LTC681x_pollAdc();
+//  wakeup_idle(total_ic);
+//  LTC681x_adow(MD_7KHZ_3KHZ,PULL_DOWN_CURRENT);
+//  LTC681x_pollAdc();
+//  wakeup_idle(total_ic);
+//  error = LTC681x_rdcv(0, total_ic,pullDwn_cell_codes);
+//
+//  for (int cic=0; cic<total_ic; cic++)
+//  {
+//    ic[cic].system_open_wire =0;
+//    for (int cell=0; cell<N_CHANNELS; cell++)
+//    {
+//      if (pullDwn_cell_codes[cic].cells.c_codes[cell]>pullUp_cell_codes[cic].cells.c_codes[cell])
+//      {
+//        openWire_delta[cic].cells.c_codes[cell] = pullDwn_cell_codes[cic].cells.c_codes[cell] - pullUp_cell_codes[cic].cells.c_codes[cell]  ;
+//      }
+//      else
+//      {
+//        openWire_delta[cic].cells.c_codes[cell] = 0;
+//      }
+//
+//    }
+//  }
+//  for (int cic=0; cic<total_ic; cic++)
+//  {
+//    for (int cell=1; cell<N_CHANNELS; cell++)
+//    {
+//
+//      if (openWire_delta[cic].cells.c_codes[cell]>OPENWIRE_THRESHOLD)
+//      {
+//        ic[cic].system_open_wire += (1<<cell);
+//
+//      }
+//    }
+//    if (pullUp_cell_codes[cic].cells.c_codes[0] == 0)
+//    {
+//      ic[cic].system_open_wire += 1;
+//    }
+//    if (pullUp_cell_codes[cic].cells.c_codes[N_CHANNELS-1] == 0)
+//    {
+//      ic[cic].system_open_wire += (1<<(N_CHANNELS));
+//    }
+//  }
+//}
+//
+//// Runs the ADC overlap test for the IC
+//uint16_t LTC681x_run_adc_overlap(uint8_t total_ic, cell_asic ic[])
+//{
+//  uint16_t error = 0;
+//  int32_t measure_delta =0;
+//  int16_t failure_pos_limit = 20;
+//  int16_t failure_neg_limit = -20;
+//  wakeup_idle(total_ic);
+//  LTC681x_adol(MD_7KHZ_3KHZ,DCP_DISABLED);
+//  LTC681x_pollAdc();
+//  wakeup_idle(total_ic);
+//  error = LTC681x_rdcv(0, total_ic,ic);
+//  for (int cic = 0; cic<total_ic; cic++)
+//  {
+//    measure_delta = (int32_t)ic[cic].cells.c_codes[6]-(int32_t)ic[cic].cells.c_codes[7];
+//    if ((measure_delta>failure_pos_limit) || (measure_delta<failure_neg_limit))
+//    {
+//      error = error | (1<<(cic-1));
+//    }
+//  }
+//  return(error);
+//}
+//
+////Helper function that increments PEC counters
+//void LTC681x_check_pec(uint8_t total_ic,uint8_t reg, cell_asic ic[])
+//{
+//  switch (reg)
+//  {
+//    case CFGR:
+//      for (int current_ic = 0 ; current_ic < total_ic; current_ic++)
+//      {
+//        ic[current_ic].crc_count.pec_count = ic[current_ic].crc_count.pec_count + ic[current_ic].config.rx_pec_match;
+//        ic[current_ic].crc_count.cfgr_pec = ic[current_ic].crc_count.cfgr_pec + ic[current_ic].config.rx_pec_match;
+//      }
+//      break;
+//
+//    case CFGRB:
+//      for (int current_ic = 0 ; current_ic < total_ic; current_ic++)
+//      {
+//        ic[current_ic].crc_count.pec_count = ic[current_ic].crc_count.pec_count + ic[current_ic].configb.rx_pec_match;
+//        ic[current_ic].crc_count.cfgr_pec = ic[current_ic].crc_count.cfgr_pec + ic[current_ic].configb.rx_pec_match;
+//      }
+//      break;
+//    case CELL:
+//      for (int current_ic = 0 ; current_ic < total_ic; current_ic++)
+//      {
+//        for (int i=0; i<ic[0].ic_reg.num_cv_reg; i++)
+//        {
+//          ic[current_ic].crc_count.pec_count = ic[current_ic].crc_count.pec_count + ic[current_ic].cells.pec_match[i];
+//          ic[current_ic].crc_count.cell_pec[i] = ic[current_ic].crc_count.cell_pec[i] + ic[current_ic].cells.pec_match[i];
+//        }
+//      }
+//      break;
+//    case AUX:
+//      for (int current_ic = 0 ; current_ic < total_ic; current_ic++)
+//      {
+//        for (int i=0; i<ic[0].ic_reg.num_gpio_reg; i++)
+//        {
+//          ic[current_ic].crc_count.pec_count = ic[current_ic].crc_count.pec_count + (ic[current_ic].aux.pec_match[i]);
+//          ic[current_ic].crc_count.aux_pec[i] = ic[current_ic].crc_count.aux_pec[i] + (ic[current_ic].aux.pec_match[i]);
+//        }
+//      }
+//
+//      break;
+//    case STAT:
+//      for (int current_ic = 0 ; current_ic < total_ic; current_ic++)
+//      {
+//
+//        for (int i=0; i<ic[0].ic_reg.num_stat_reg-1; i++)
+//        {
+//          ic[current_ic].crc_count.pec_count = ic[current_ic].crc_count.pec_count + ic[current_ic].stat.pec_match[i];
+//          ic[current_ic].crc_count.stat_pec[i] = ic[current_ic].crc_count.stat_pec[i] + ic[current_ic].stat.pec_match[i];
+//        }
+//      }
+//      break;
+//    default:
+//      break;
+//  }
+//}
+//
+////Helper Function to reset PEC counters
+//void LTC681x_reset_crc_count(uint8_t total_ic, cell_asic ic[])
+//{
+//  for (int current_ic = 0 ; current_ic < total_ic; current_ic++)
+//  {
+//    ic[current_ic].crc_count.pec_count = 0;
+//    ic[current_ic].crc_count.cfgr_pec = 0;
+//    for (int i=0; i<6; i++)
+//    {
+//      ic[current_ic].crc_count.cell_pec[i]=0;
+//
+//    }
+//    for (int i=0; i<4; i++)
+//    {
+//      ic[current_ic].crc_count.aux_pec[i]=0;
+//    }
+//    for (int i=0; i<2; i++)
+//    {
+//      ic[current_ic].crc_count.stat_pec[i]=0;
+//    }
+//  }
+//}
+//
+////Helper function to intialize CFG variables.
+//void LTC681x_init_cfg(uint8_t total_ic, cell_asic ic[])
+//{
+//  bool REFON = true;
+//  bool ADCOPT = false;
+//  bool gpioBits[5] = {true,true,true,true,true};
+//  bool dccBits[12] = {false,false,false,false,false,false,false,false,false,false,false,false};
+//  for (uint8_t current_ic = 0; current_ic<total_ic; current_ic++)
+//  {
+//    for (int j =0; j<6; j++)
+//    {
+//      ic[current_ic].config.tx_data[j] = 0;
+//      ic[current_ic].configb.tx_data[j] = 0;
+//    }
+//    LTC681x_set_cfgr(current_ic ,ic,REFON,ADCOPT,gpioBits,dccBits);
+//
+//  }
+//}
+//
+////Helper function to set CFGR variable
+//void LTC681x_set_cfgr(uint8_t nIC, cell_asic ic[], bool refon, bool adcopt, bool gpio[5],bool dcc[12])
+//{
+//  LTC681x_set_cfgr_refon(nIC,ic,refon);
+//  LTC681x_set_cfgr_adcopt(nIC,ic,adcopt);
+//  LTC681x_set_cfgr_gpio(nIC,ic,gpio);
+//  LTC681x_set_cfgr_dis(nIC,ic,dcc);
+//}
+//
+////Helper function to set the REFON bit
+//void LTC681x_set_cfgr_refon(uint8_t nIC, cell_asic ic[], bool refon)
+//{
+//  if (refon) ic[nIC].config.tx_data[0] = ic[nIC].config.tx_data[0]|0x04;
+//  else ic[nIC].config.tx_data[0] = ic[nIC].config.tx_data[0]&0xFB;
+//}
+//
+////Helper function to set the adcopt bit
+//void LTC681x_set_cfgr_adcopt(uint8_t nIC, cell_asic ic[], bool adcopt)
+//{
+//  if (adcopt) ic[nIC].config.tx_data[0] = ic[nIC].config.tx_data[0]|0x01;
+//  else ic[nIC].config.tx_data[0] = ic[nIC].config.tx_data[0]&0xFE;
+//}
+//
+////Helper function to set GPIO bits
+//void LTC681x_set_cfgr_gpio(uint8_t nIC, cell_asic ic[],bool gpio[5])
+//{
+//  for (int i =0; i<5; i++)
+//  {
+//    if (gpio[i])ic[nIC].config.tx_data[0] = ic[nIC].config.tx_data[0]|(0x01<<(i+3));
+//    else ic[nIC].config.tx_data[0] = ic[nIC].config.tx_data[0]&(~(0x01<<(i+3)));
+//  }
+//}
+//
+////Helper function to control discharge
+//void LTC681x_set_cfgr_dis(uint8_t nIC, cell_asic ic[],bool dcc[12])
+//{
+//  for (int i =0; i<8; i++)
+//  {
+//    if (dcc[i])ic[nIC].config.tx_data[4] = ic[nIC].config.tx_data[4]|(0x01<<i);
+//    else ic[nIC].config.tx_data[4] = ic[nIC].config.tx_data[4]& (~(0x01<<i));
+//  }
+//  for (int i =0; i<4; i++)
+//  {
+//    if (dcc[i+8])ic[nIC].config.tx_data[5] = ic[nIC].config.tx_data[5]|(0x01<<i);
+//    else ic[nIC].config.tx_data[5] = ic[nIC].config.tx_data[5]&(~(0x01<<i));
+//  }
+//}
+//
+////*************************** LTC 6811 ****************************************//
+//void LTC6811_init_reg_limits(uint8_t total_ic, cell_asic ic[])
+//{
+//  for (uint8_t cic=0; cic<total_ic; cic++)
+//  {
+//    ic[cic].ic_reg.cell_channels=12;
+//    ic[cic].ic_reg.stat_channels=4;
+//    ic[cic].ic_reg.aux_channels=6;
+//    ic[cic].ic_reg.num_cv_reg=4;
+//    ic[cic].ic_reg.num_gpio_reg=2;
+//    ic[cic].ic_reg.num_stat_reg=3;
+//  }
+//}
+//
+////Helper function to set discharge bit in CFG register
+//void LTC6811_set_discharge(int Cell, uint8_t total_ic, cell_asic ic[])
+//{
+//  for (int i=0; i<total_ic; i++)
+//  {
+//    if (Cell<9)
+//    {
+//      ic[i].config.tx_data[4] = ic[i].config.tx_data[4] | (1<<(Cell-1));
+//    }
+//    else if (Cell < 13)
+//    {
+//      ic[i].config.tx_data[5] = ic[i].config.tx_data[5] | (1<<(Cell-9));
+//    }
+//  }
+//}
+//
+////****************************** SPI **************************************//
+///*
+//Writes an array of bytes out of the SPI port
+//*/
+//void spi_write_array(uint8_t len, // Option: Number of bytes to be written on the SPI port
+//                     uint8_t data[] //Array of bytes to be written on the SPI port
+//                    )
+//{
+//  for (uint8_t i = 0; i < len; i++)
+//  {
+//    spi.write((int8_t)data[i]);
+//  }
+//}
+//
+///*
+// Writes and read a set number of bytes using the SPI port.
+//
+//*/
+//
+//void spi_write_read(uint8_t tx_Data[],//array of data to be written on SPI port
+//                    uint8_t tx_len, //length of the tx data arry
+//                    uint8_t *rx_data,//Input: array that will store the data read by the SPI port
+//                    uint8_t rx_len //Option: number of bytes to be read from the SPI port
+//                   )
+//{
+//  for (uint8_t i = 0; i < tx_len; i++)
+//  {
+//    spi.write(tx_Data[i]);
+//  }
+//
+//  for (uint8_t i = 0; i < rx_len; i++)
+//  {
+//
+//    rx_data[i] = (uint8_t)spi.write(0xFF);
+//  }
+//
+//}
+//
+//uint8_t spi_read_byte(uint8_t tx_dat)
+//{
+//  uint8_t data;
+//  data = (uint8_t)spi.write(0xFF);
+//  return(data);
+//}
+//
+////****************************** UserInterface **************************************//
+//char ui_buffer[UI_BUFFER_SIZE];
+//
+//// Read data from the serial interface into the ui_buffer
+//uint8_t read_data()
+//{
+//  uint8_t index = 0; //index to hold current location in ui_buffer
+//  int c; // single character used to store incoming keystrokes
+//  while (index < UI_BUFFER_SIZE-1)
+//  {
+//    c = pc.getc(); //read one character
+//    if (((char) c == '\r') || ((char) c == '\n')) break; // if carriage return or linefeed, stop and return data
+//    if ( ((char) c == '\x7F') || ((char) c == '\x08') )   // remove previous character (decrement index) if Backspace/Delete key pressed      index--;
+//    {
+//      if (index > 0) index--;
+//    }
+//    else if (c >= 0)
+//    {
+//      ui_buffer[index++]=(char) c; // put character into ui_buffer
+//    }
+//  }
+//  ui_buffer[index]='\0';  // terminate string with NULL
+//
+//  if ((char) c == '\r')    // if the last character was a carriage return, also clear linefeed if it is next character
+//  {
+//    wait_ms(10);  // allow 10ms for linefeed to appear on serial pins
+////    if (pc.peek() == '\n') 
+//    pc.getc(); // if linefeed appears, read it and throw it away
+//  }
+//
+//  return index; // return number of characters, not including null terminator
+//}
+//
+//// Read an integer from the serial interface.
+//// The routine can recognize Hex, Decimal, Octal, or Binary
+//// Example:
+//// Hex:     0x11 (0x prefix)
+//// Decimal: 17
+//// Octal:   021 (leading zero prefix)
+//// Binary:  B10001 (leading B prefix)
+//int32_t read_int()
+//{
+//  int32_t data;
+//  read_data();
+//  if (ui_buffer[0] == 'm')
+//    return('m');
+//  if ((ui_buffer[0] == 'B') || (ui_buffer[0] == 'b'))
+//  {
+//    data = strtol(ui_buffer+1, NULL, 2);
+//  }
+//  else
+//    data = strtol(ui_buffer, NULL, 0);
+//  return(data);
+//}
+//
+//// Read a character from the serial interface
+//int8_t read_char()
+//{
+//  read_data();
+//  return(ui_buffer[0]);
+//}
+//
+//
\ No newline at end of file