ProgrammingChapter —7
290 700Series Color MobileComputer User’s Manual
NLEDGetDeviceInfo
Usage
#include “nled.h”
Syntax
BOOL NLEDGetDeviceInfo ( UINT nInfoId, void *pOutput );
Parameters
nInfoId Integerspecifying the information to return. These values are defined:
NLED_COUNT_INFO Indicates the pOutput buffer specifies the number of LEDs on
the device.
NLED_SUPPORTS_INFO_ID Indicates the pOutput buffer specifies information about the
capabilities supported by the LE D.
NLED_SETTINGS_INFO_ID Indicates the pOutput buffer contains i nformation about the
LED current settings.
pOutput Pointer to the buffer to which the information is returned. The buffer points to various structure
typesdefined in “nled.h”, depending on the value of nId, as detailed in the following table:
Valueof nID Structurein pOutput
LED_COUNT_INFO NLED_COUNT_INFO
NLED_SUPPORTS_INFO NLED_SUPPORTS_INFO
NLED_SETTINGS_INFO NLED_SETTINGS_INFO
NLEDSetDevice
Usage
#include “nled.h”
Syntax
BOOL NLEDSetDevice ( UINT nDeviceId, void *pInput );
Parameters
nDeviceId Integerspecifying the device identification. The following is defined:
NLED_SETTINGS_INFO_ID Contains information about the desired LED settings.
pInput Pointerto the buffer that contains the NLED_SETTINGS_INFO structure.