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ProgrammingChapter —7
290 700 Series Color Mobile Computer User’sManual
NLEDGetDeviceInfo
Usage
#include “nled.h”
Syntax
BOOL NLEDGetDeviceInfo ( UINT nInfoId, void *pOutput );
Parameters
nInfoId Integer specifying 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 LED.
NLED_SETTINGS_INFO_ID Indicates the pOutput buffer contains information about the
LED current settings.
pOutput Pointer to the buffer to wh i ch th e information is returned. The buffer points to various structure
types defined in “nled.h”, depending on the value of nId, as detailed in the following table:
Value ofnID Structure in pOutput
LED_COUNT_INFO NLED_COUNT_INFO
NLED_SUPPORTS_INFO NLED_SUPPORTS_INFO
NLED_SETTINGS_INFO NLED_SE TTINGS_INFO
NLEDSetDevice
Usage
#include “nled.h”
Syntax
BOOL NLEDSetDevice ( UINT nDeviceId, void *pInput );
Parameters
nDeviceId Integer specifying the device identification. The following is defined:
NLED_SETTINGS_INFO_ID Contains information about the desired LED settings.
pInput Pointer to the buffer that contains the NLED_SETTINGS_INFO structure.