Rabbit RabbitCore RCM5400W, User Manual, Page: 57 / 120

OEM User’s Manual 51
5.2.6 Prototyping Board Function Calls
The function calls described in this section are for use with the Prototyping Board features.
The source code is in the Dynamic C
LIB\Rabbit4000\RCM5xxx\RCM54xxW.LIB
library if you need to modify it for your own board design.
The sample programs in the Dynamic C
SAMPLES\RCM5400W
folder illustrate the use of
the function calls.
Other generic functions applicable to all devices based on Rabbit microprocessors are
described in the
Dynamic C Function Reference Manual .
5.2.6.1 Board Initialization
brdInit
void brdInit(void);
DESCRIPTION
Call this function at the beginning of your program. This function initializes Parallel
Ports A through E for use with the Prototyping Board. This function call is intended for
demonstration purposes only, and can be modified for your applications.
Summary of Initialization
1. I/O port pins are configured for Prototyping Board operation.
2. Unused configurable I/O are set as tied outputs.
3. RS-232 is not enabled.
4. LEDs are off.
5. The slave port is disabled.
RETURN VALUE
None.