Code: Select all
unsigned char Can_Init_Flags, Can_Send_Flags, Can_Rcv_Flags; // can flags
unsigned char Rx_Data_Len; // received data length in bytes
char RxTx_Data[8]; // can rx/tx data buffer
char Msg_Rcvd; // reception flag
const long ID_1st = 12111, ID_2nd = 3; // node IDs
long Rx_ID;
// CANSPI module connections
sbit CanSpi_CS at RC0_bit;
sbit CanSpi_CS_Direction at TRISC0_bit;
sbit CanSpi_Rst at RC2_bit;
sbit CanSpi_Rst_Direction at TRISC2_bit;
// End CANSPI module connections
void main(void){
ADCON1 |= 0x0F; // Configure all ports with analog function as digital
CMCON |= 7; // Disable comparators
Can_Init_Flags = 0; //
Can_Send_Flags = 0; // clear flags
Can_Rcv_Flags = 0; //
Can_Send_Flags = _CANSPI_TX_PRIORITY_0 & // form value to be used
_CANSPI_TX_XTD_FRAME & // with CANSPIWrite
_CANSPI_TX_NO_RTR_FRAME;
Can_Init_Flags = _CANSPI_CONFIG_SAMPLE_THRICE & // Form value to be used
_CANSPI_CONFIG_PHSEG2_PRG_ON & // with CANSPIInit
_CANSPI_CONFIG_XTD_MSG &
_CANSPI_CONFIG_DBL_BUFFER_ON &
_CANSPI_CONFIG_VALID_XTD_MSG;
SPI1_Init(); // initialize SPI1 module
PORTD.B0 = 1; // THIS IS OK
CANSPIInitialize(1,3,3,3,1,Can_Init_Flags); // Initialize external CANSPI module <<-- THERE IS STOP !!!
PORTD.B1 = 1;
CANSPISetOperationMode(_CANSPI_MODE_CONFIG,0xFF); // set CONFIGURATION mode
CANSPISetMask(_CANSPI_MASK_B1,-1,_CANSPI_CONFIG_XTD_MSG); // set all mask1 bits to ones
CANSPISetMask(_CANSPI_MASK_B2,-1,_CANSPI_CONFIG_XTD_MSG); // set all mask2 bits to ones
CANSPISetFilter(_CANSPI_FILTER_B2_F4,ID_2nd,_CANSPI_CONFIG_XTD_MSG);// set id of filter B2_F4 to 2nd node ID
CANSPISetOperationMode(_CANSPI_MODE_NORMAL,0xFF);
while(1){
...
}
}
THANKS A LOT...
