ACS ACR89U-A1, Reference Manual

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ACR89U-A1 – Reference Manual
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Page 56 of 57
4.2.7.2. AS_SetLed
This function enables or disables any of the LEDs of the ACR89.
AS_STATUS AS_DECL AS_ SetLED (
IN INT nDevId,
IN PLED pLed);
Parameters:
nDevId [in] Handle returned by a previous call to AS_Open .
pBuzzer [in] Pointer to a
LED
structure that contains the state to set the LEDs of the ACR89.
See also Section 4.1.2.9 LED for more information about the LED structure.
Return Values:
AS_STATUS This functions returns different values depending on whether it succeeds or fails.
AS_STATUS.DllError contains the status as returned by the DLL.
AS_STATUS.W32Error contains the Win32 error code associated with the DLL
error, if any. See also Appendix A for the possible return codes.
Example:
AS_STATUS status;
LED ledStat;
//turn on the LEDs and give them a different color
//assumed is that a connection has already been established
ledStat.cbLedPower = LED_RED; // Set the Power LED to red
ledStat.cbLedSlot1 = LED_GREEN; // Set the Slot1 LED to green
ledStat.cbLedSlot2 = LED_YELLOW; // Set the Slot1 LED to yellow
status = AS_SetLED(nDevId, &ledStat);
return status;