Abl-electronic PIC Microcontrollers PIC16 Manual de usuario descargar pdf (Pagina 165)

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mikroC

- C Compiler for Microchip PIC microcontrollers

mikroC

making it simple...

Prototype

void CANSPISetMask(char CAN_MASK, long value, char

CAN_CONFIG_FLAGS);

Description Function sets mask for advanced filtering of messages. Given value is bit adjusted to

appropriate buffer mask registers.

Parameters:

CAN_MASK is one of predefined constant values (see CAN constants);

value is the mask register value; CAN_CONFIG_FLAGS selects type of message to filter,

either CAN_CONFIG_XTD_MSG or CAN_CONFIG_STD_MSG.

Requires CANSPI must be in Config mode; otherwise the function will be ignored.

Example

// Set all mask bits to 1, i.e. all filtered bits are relevant:

CANSPISetMask(CAN_MASK_B1, -1, CAN_CONFIG_XTD_MSG);

/* Note that -1 is just a cheaper way to write 0xFFFFFFFF.

Complement will do the trick and fill it up with ones. */

CANSPISetMask

Prototype

void CANSPISetFilter(char CAN_FILTER, long value,

char CAN_CONFIG_FLAGS);

Description Function sets mask for advanced filtering of messages. Given value is bit adjusted to

appropriate buffer mask registers.

Parameters:

CAN_MASK is one of predefined constant values (see CAN constants);

value is the filter register value; CAN_CONFIG_FLAGS selects type of message to filter,

either

CAN_CONFIG_XTD_MSG or CAN_CONFIG_STD_MSG.

Requires CANSPI must be in Config mode; otherwise the function will be ignored.

Example

/* Set id of filter B1_F1 to 3: */

CANSPISetFilter(CAN_FILTER_B1_F1, 3, CAN_CONFIG_XTD_MSG);

CANSPISetFilter

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Abl-electronic PIC Microcontrollers PIC16 Manual de usuario Pagina 165