Microchip Technology dsPIC33 series - Page 80

dsPIC33/PIC24 Family Reference Manual
DS70005340A-page 80  2018 Microchip Technology Inc.
Example 7-1: Using the Transmit Event FIFO Code (Continued)
txObj = (CANFD_TX_MSGOBJ *)C1FIFOUA1L;
txObj->bF.id.SID = 0x300;
txObj->bF.id.EID = 0x0000;
txObj->bF.ctrl.BRS = 1 ; //Switch bit rate
txObj->bF.ctrl.DLC = 0xF; //64 bytes
txObj->bF.ctrl.FDF = 1; // CANFD frame
txObj->bF.ctrl.IDE = 0; //Standard frame
txObj->bF.ctrl.SEQ = fifoSize ; //
Sequence does not get transmitted, but stored in TEF
for(index=0;index<0x40;index++ )
{
txObj->byte[index+8] = 0xA5 ; // 64 bytes of 0xA5
}
C1FIFOCON1Lbits.UINC = 1; // Set UINC bit
}
C1FIFOCON1Lbits.TXREQ = 1; // Set TXREQ bit
while (C1FIFOCON1Lbits.TXREQ == 1);
/* Keep reading the TEF objects until the last transmitted message*/
for (fifoSize= 0; fifoSize < 5; fifoSize++)
{
while(C1TEFSTAbits.TEFNEIF ==0);
CANFD_TEF_MSGOBJ *tefObj;
tefObj = (CANFD_TEF_MSGOBJ *)C1TEFUAL;
//ProcessTEFMessages (currentMessageBuffer) ;
C1TEFCONLbits.UINC = 1 ; // Set UINC bit
}
while(1);
}