; ***************************************************************************
; copyright   : (C) 2025 by Martin Preuss
; email       : martin@libchipcard.de
;
; ***************************************************************************
; * This file is part of the project "AqHome".                              *
; * Please see toplevel file COPYING of that project for license details.   *
; ***************************************************************************



.cseg



; ---------------------------------------------------------------------------
; @routine UART_HW_InitInterface @global
;
; @param Y pointer to interface data in SRAM (see @ref UART_HW_IFACE_OFFS_STATE)
; @param Z pointer to IFACE jump table for the given interface
; @clobbers R16, R17, X

UART_HW_InitInterface:
  mov xl, yl
  mov xh, yh
  ldi r17, UART_HW_IFACE_SIZE
  clr r16
  rcall Utils_FillSram         ; (R17, X)
  m_ringbuffer_y_reset UART_HW_IFACE_READBUF_SIZE, \
                       UART_HW_IFACE_OFFS_RINGBUF_USED, \
                       UART_HW_IFACE_OFFS_RINGBUF_RDPOS, \
                       UART_HW_IFACE_OFFS_RINGBUF_WRPOS, \
                       UART_HW_IFACE_OFFS_RINGBUF_DATA
  m_ringbuffer_y_reset UART_HW_IFACE_MSGIDBUF_SIZE, \
                       UART_HW_IFACE_OFFS_MSGIDBUF_USED, \
                       UART_HW_IFACE_OFFS_MSGIDBUF_RDPOS, \
                       UART_HW_IFACE_OFFS_MSGIDBUF_WRPOS, \
                       UART_HW_IFACE_OFFS_MSGIDBUF_DATA
  ldi r16, 0xff
  std Y+UART_HW_IFACE_OFFS_READBUFFERNUM, r16
  ret
; @end