Mikroc, Caninitialize – ABL electronic PIC Microcontrollers PIC16 User Manual
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MikroElektronika: Development tools - Books - Compilers
143
page
mikroC - C Compiler for Microchip PIC microcontrollers
mikroC
making it simple...
Prototype
void
CANInitialize(char SJW, char BRP, char PHSEG1, char PHSEG2,
char
PROPSEG, char CAN_CONFIG_FLAGS);
Description
Initializes CAN. All pending transmissions are aborted. Sets all mask registers to 0 to
allow all messages.
Filter registers are set according to flag value:
if (CAN_CONFIG_FLAGS & CAN_CONFIG_VALID_XTD_MSG != 0)
// Set all filters to XTD_MSG
else if (config & CONFIG_VALID_STD_MSG != 0)
// Set all filters to STD_MSG
else
// Set half the filters to STD, and the rest to XTD_MSG
Parameters:
SJW
as defined in 18XXX8 datasheet (1–4)
BRP
as defined in 18XXX8 datasheet (1–64)
PHSEG1
as defined in 18XXX8 datasheet (1–8)
PHSEG2
as defined in 18XXX8 datasheet (1–8)
PROPSEG
as defined in 18XXX8 datasheet (1–8)
CAN_CONFIG_FLAGS
is formed from predefined constants (see CAN constants).
Requires
CAN must be in Config mode; otherwise the function will be ignored.
Example
init = CAN_CONFIG_SAMPLE_THRICE
&
CAN_CONFIG_PHSEG2_PRG_ON
&
CAN_CONFIG_STD_MSG
&
CAN_CONFIG_DBL_BUFFER_ON
&
CAN_CONFIG_VALID_XTD_MSG
&
CAN_CONFIG_LINE_FILTER_OFF;
...
CANInitialize(1, 1, 3, 3, 1, init);
// initialize CAN
CANInitialize