User`s manual

50 RabbitCore RCM3000

C.7 LCD/Keypad Module Function APIs

When mounted on the RCM3000 Series Prototyping Board, the LCD/keypad module uses

the auxiliary I/O bus on the Rabbit 3000 chip. Remember to add the line

#define PORTA_AUX_IO

to the beginning of any programs using the auxiliary I/O bus.

C.7.1 LEDs

When power is applied to the LCD/keypad module for the first time, the red LED (DS1)

will come on, indicating that power is being applied to the LCD/keypad module. The red

LED is turned off when the brdInit function executes.

One function is available to control the LEDs, and can be found in the

RCM3000.LIB

library in the SAMPLES\RCM3000 directory.

LED on/off control. This function will only work when the LCD/keypad module is installed on the

RCM3000 Series Prototyping Board.

PARAMETERS

led is the LED to control.

0 = LED DS1

1 = LED DS2

2 = LED DS3

3 = LED DS4

4 = LED DS5

5 = LED DS6

6 = LED DS7

value is the value used to control whether the LED is on or off (0 or 1).

0 = off

1 = on

RETURN VALUE

None.