combine lib to one
Diff: bms_master.cpp
- Revision:
- 0:b2692e0e4219
--- /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