Abl-electronic PIC Microcontrollers PIC16 Bedienungsanleitung PDF herunterladen (Seite 162)

mikroC

- C Compiler for Microchip PIC microcontrollers

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Prototype

void CANSPISetOperationMode(char mode, char wait_flag);

Description Sets CAN to requested mode, i.e. copies mode to CANSTAT. Parameter mode needs to

be one of CAN_OP_MODE constants (see CAN constants, page 145).

Parameter

wait_flag needs to be either 0 or 0xFF: If set to 0xFF, this is a blocking

call – the function won’t “return” until the requested mode is set. If 0, this is a non-

blocking call. It does not verify if CAN module is switched to requested mode or not.

Caller must use function

CANSPIGetOperationMode to verify correct operation mode

before performing mode specific operation.

Requires CANSPI functions are supported by any PIC MCU that has SPI interface on PORTC.

Also, CS pin of MCP2510 or MCP2515 must be connected to RC0.

Example

CANSPISetOperationMode(CAN_MODE_CONFIG, 0xFF);

CANSPISetOperationMode

Prototype

char CANSPIGetOperationMode(void);

Returns Current opmode.

Description Function returns current operational mode of CAN module.

Example

if (CANSPIGetOperationMode() == CAN_MODE_NORMAL) { ... };

CANSPIGetOperationMode

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Abl-electronic PIC Microcontrollers PIC16 Bedienungsanleitung Seite 162