22.4.4 Broadcast Command Code Example

// Send Broadcast Command   
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 = 0b1;    // Setting the Client ID for Channel 0, in this case the Client ID is 0x01
B1CTRLCONbits. CMDCLNTID21 = 0b00;

// Setup for Broadcast Command
B1CTRLCONbits.CTS = 0;		   // Setting CTS for Command communication
B1RCCONbits.WNR = 0;		     // Setting WNR for Read Register (IS THIS NEEDED?)
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 
B1CTRLCONbits.CMDCLNTID21 = 2;	 // Setting what command value to send, this should be described in Client documentation

// Turning the module on and starting communication
B1CONbits.ON = 1;

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 send command(INSTR value is the same as read register command but CTS = 1 means send a command)
while(B1CONbits.INSTRWA == 1);	// Waiting for instruction to complete before any further write to instruction register

while(B1STATbits.REGEND == 0);	// Waiting for the register transmission to complete