seeers / can-bus-arduino_core_stm32 Goto Github PK

    // Configure Filters to default values
    CAN1->FM1R |= 0x1C << 8;              // Assign all filters to CAN1
    CAN1->FMR  |=   0x1UL;                // Set to filter initialization mode
    CAN1->FA1R &= ~(0x1UL);               // Deactivate filter 0
    CAN1->FS1R |=   0x1UL;                // Set first filter to single 32 bit configuration

    // Configure Filters to default values
    CAN1->FMR  |=   0x1UL;                // Set to filter initialization mode
    CAN1->FMR  &= 0xFFFFC0FF;             // Clear CAN2 start bank
    CAN1->FMR  |= 0x1C << 8;              // Assign all filters to CAN1
    CAN1->FA1R &= ~(0x1UL);               // Deactivate filter 0
    CAN1->FS1R |=   0x1UL;                // Set first filter to single 32 bit configuration

STM32F103  MCP2551
PB9      --TXD
GND      --VSS
5V       --VDD
PB8      --RXD
GND      --RS
           CNAH     -----  To Arduino DUE
           CANL     -----  TO Arduino DUE