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B.8 LCD/Keypad Module Function Calls
B.8.1 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 LIB\SMRTSTAR
SMRTSTAR.LIB library.
void ledOut(int led, int value);
LED on/off control. This function will only work when the LCD/keypad module is installed on the Smart
Star.
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.
SEE ALSO
brdInit
User ’s Manual
143
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