eth32_get_direction_bit

int eth32_get_direction_bit(eth32 handle, int port, int bit, int *direction);

Summary

This function retrieves the value of a single bit of a port's direction register. It is provided simply for convenience, since it internally calls the eth32_get_direction function to determine the value of the specified bit.

Parameters

  • handle - The value returned by the eth32_open function.

  • port - Specifies the port number (0-5).

  • bit - Specifies the bit number (0-7) within the port.

  • direction - Pointer to a variable which will receive the value of the specified direction bit of the specified port.

Return Value

This function returns zero on success and a negative error code on failure. Please see the Error Codes section for possible error codes.

See Also

eth32_get_direction, eth32_set_direction, eth32_set_direction_bit