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DlnGpioPinPulldownEnable() Function

The DlnGpioPinPulldownEnable() function activates an embedded pull-down resistor for the specified pin. For more information, read Pull-up/Pull-down Resistors.

Syntax
C/C++
DLN_RESULT DlnGpioPinPulldownEnable(
   HDLN handle, 
   uint16_t pin
);
Parameters
handle

A handle to the DLN-series adapter.

pin

The number of the pin that you want to configure.

Return Value
DLN_RES_SUCCESS

The function successfully activated the pull-down resistor.

DLN_RES_INVALID_PIN_NUMBER

The pin number is not valid. Use the DlnGpioGetPinCount() function to find the maximum possible pin number.

DLN_RES_COMMAND_NOT_SUPPORTED

The DLN adapter does not support pull-down resistors.

Remarks
DLN-1 and DLN-2 adapters do not support pull-down resistors.

The DlnGpioPinPulldownEnable() function is declared in the dln_gpio.h file.

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USB-I2C/SPI/GPIO Interface Adapters © 2016

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