Kontron KEAPI - Manual (Page 33)

Software specification for Kontron EAPI
33
KEAPI_PUCHAR pData,
KEAPI_PUCHAR pDataLength
);
Description:
This function reads up to 32 byte from the device. For additional information, refer to the System
Management
Bus (SMBus) Specification Version 2.0, which is available at
http://smbus.org/specs/smbus20.pdf.
Parameters:
in/out Parameter name Description
in boardHandle Handle of the selected board.
in smbusNr Number of SMBus. From 0 to (SmbusCount - 1) returned by
KEApiGetSmbusCount.
in smbusAddress Address of SMBus slave device
in command Command code. Depends on device
out pData Pointer to a data block of size up to 32 bytes
in/ out pDataLength This is also the "out" parameter. It is a pointer to the length of
data to read. After completing the function, this parameter
contains real value of the data length.
2.16 GPIO
2.16.1 KEApiGpioGetCount
KEAPI_CALLTYPE KEAPI_UINT32 KEApiGpioGetCount (
KEAPI_UINT32 boardHandle,
KEAPI_PUINT32 pGpioCount
);
Description:
Function for getting number of active GPIOs.
Parameters:
in/out Parameter name Description
in boardHandle Handle of the selected board.
out pGpioCount Pointer to a variable where the GPIO count is saved
2.16.2 KEApiGpioGetDirectionCaps
KEAPI_CALLTYPE KEAPI_UINT32 KEApiGpioGetDirectionCaps (
KEAPI_UINT32 boardHandle,
KEAPI_UINT32 gpioNr,
KEAPI_PBOOL pIsInput,
KEAPI_PBOOL pIsOutput
);
Description:
Function to get possible directions of a selected GPIO.
Parameters:
in/out Parameter name Description
in boardHandle Handle of the selected board.
in gpioNr Number of a GPIO port. From 0 to (GpioCount - 1) returned