// Read BiSS C Register Data
int registerValue; // Variable to store register value
B1CTRLCONbits.PROTOSEL = 1; // Setting the protocol selection to BiSS C
// Configuring Host Clock for BiSS Module
B1CONbits.CLKDIV = 5; // Setting CLKDIV divider
B1CTRLCONbits.SFREQ = 5; // Setting SFREQ divider
B1CCONbits.FREQAGS = 0x7C; // Setting FREQAGS to AGSMIN, host will automatically trigger another
// SCD cycle once the previous has finished
// Configuring BiSS First Channel, Channel 0
B1CTRLCONbits.CHSEL = 1; // Setting CTRLCON such that 1st channel, Channel 0, is being used for communication
B1CHCONbits.CLCHCFG0 = 1; // Setting CLCHCFG0 such that 1st channel, Channel 0, is configured for BiSS C
B1CLTCON0bits.SCDEN0 = 1; // Enabling SCD data
B1CLTCON0bits.SCDLEN0 = 29; // Configuring SCD data length, 28 data bits, 1 error bit, 1 warning bit
B1CLTCON0bits.CRCSEL0 = 0; // Setting CRCSEL such that the CRC value will be calculated based on CRCLEN dedicated polynomial
B1CLTCON0bits.CRCLEN0 = 0b0000110; // Setting CRC polynomial to dedicated value, 0x43
B1CTRLCONbits.IDADISCLNTID0 = 0b0 ; // Setting the Client ID for Channel 0, in this case the Client ID is 0x00
B1CTRLCONbits. CMDCLNTID21 = 0b00;
// Setup for Register Read
B1CTRLCONbits.CTS = 1; // Setting CTS for Register communication
B1RCCONbits.WNR = 0; // Setting WNR for Read Register
B1RCCONbits.STRTADDR = 0x00; // Start reading data at start address of 0x00 in BiSS Client
B1RCCONbits.REGNUM = 0; // Declare how many registers to read from the BiSS Client, 0 means read 1 register
// Asserting BiSS Communication
B1CONbits.ON = 1; // Turn on the BiSS Module
B1INSTRbits.INIT = 1; // Initialize sequence which resets status registers and initializes a line delay sense
while(B1CONbits.INSTRWA == 1); // Waiting for initialization/instruction to complete before any further write to instruction register
B1INSTRbits.AGS = 1; // Starting automatic data transmission
// Initializing Register Read
while(B1STATbits.CDMTO == 0); // Waiting until CDM Time Out to Read Register
B1INSTRbits.INSTR = 0b100; // Using INSTR code to assert a register read
while(B1CONbits.INSTRWA == 1); // Waiting for instruction to complete before any further write to instruction register
// Waiting for Valid Receive
while(B1STATbits.EOT == 0); // Waiting for the End of Transmission status bit to confirm receive has occurred
while(B1STATbits.CLSCDV0 == 0); // Waiting for the Client SCD Valid bit to confirm a successful receive has occurred
while(B1STATbits.REGEND == 0); // Waiting for the register receive to complete
registerValue = B1RDATA0; // Saving register value to a variable