; ***************************************************************************
; 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.   *
; ***************************************************************************

#ifndef AQH_AVR_NETWORK_MSG_RANGE_W_ASM
#define AQH_AVR_NETWORK_MSG_RANGE_W_ASM


; ---------------------------------------------------------------------------
; @routine NETMSG_Range_Write
;
; @param Y   pointer to device to write msg for
; @param X   pointer to buffer to write to
; @param R18 command
; @param R20 range begin
; @param R21 range end
; @clobbers R16, R18 (R17, R19, R20, R21, Z)

NETMSG_Range_Write:
  ldi r16, 0xff
  st X+, r16                             ; dest address
  ldi r16, 8                             ; msg code+src address+6 payload bytes
  st X+, r16                             ; msg len
  st X+, r18                             ; msg code
  ldd r16, Y+NET_IFACE_OFFS_ADDRESS
  st X+, r16                             ; src address
  push r20
    push r21
      rcall NETMSG_Common_AddUidToBuffer ; (R16, R18, R19, R20, R21)
    pop r21
  pop r20
  st X+, r20                             ; range begin
  st X+, r21                             ; range end
  
  sbiw xh:xl, 10  ; go back to beginning of message (1 byte dst addr, 1 byte length, 8 bytes payload)
  rcall NETMSG_CalcAndAddChecksumByte    ; (R16, R17, R18, R19, R20, X)
  sbiw xh:xl, 11 ; go back to beginning of message (1 byte dst addr, 1 byte length, 8 bytes payload, 1 byte crc)
  ret
; @end



#endif