combine lib to one
bms_master.cpp
- Committer:
- roger5641
- Date:
- 2017-11-17
- Revision:
- 0:b2692e0e4219
File content as of revision 0:b2692e0e4219:
// //#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]); //} // //