From bd153583896886e026503ec99e0870969d374a23 Mon Sep 17 00:00:00 2001 From: Christian Pointner Date: Mon, 8 Jul 2013 01:48:14 +0000 Subject: split bootloader code into includes git-svn-id: https://svn.spreadspace.org/pic/trunk@60 a09c6847-51d9-44de-8ef2-e725cf50f3c7 --- bootloader/generic-init.inc | 61 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 bootloader/generic-init.inc (limited to 'bootloader/generic-init.inc') diff --git a/bootloader/generic-init.inc b/bootloader/generic-init.inc new file mode 100644 index 0000000..c679dd9 --- /dev/null +++ b/bootloader/generic-init.inc @@ -0,0 +1,61 @@ + ;; + ;; spreadspace pic utils + ;; + ;; + ;; Copyright (C) 2011 Christian Pointner + ;; + ;; This file is part of spreadspace pic utils. + ;; + ;; spreadspace pic utils is free software: you can redistribute it and/or modify + ;; it under the terms of the GNU General Public License as published by + ;; the Free Software Foundation, either version 3 of the License, or + ;; any later version. + ;; + ;; spreadspace pic utils is distributed in the hope that it will be useful, + ;; but WITHOUT ANY WARRANTY; without even the implied warranty of + ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + ;; GNU General Public License for more details. + ;; + ;; You should have received a copy of the GNU General Public License + ;; along with spreadspace pic utils. If not, see . + ;; + + org .0 + ;; btfsc BOOTPIN + ;; goto USERVECT + goto com_init + + ;; ------------------------------------- + ;; goto user ISR + org .4 +isr + goto ISRVECT + + ;; ------------------------------------- + ;; Bootloader (Generic Subroutines) +send_answer ; generic answer message, leave len of data in W + addlw .3 + movwf combuff + .1 + decf combuff + .1,w + movwf cnt + movlw combuff + movwf FSR + clrf csum +send_answer_next + movf INDF,w + call com_tx_byte + incf FSR,f + decfsz cnt,f + goto send_answer_next + + movf csum,w + call com_tx_byte + return + + ;; ------------------ +ack_cmd ; short answers which only contain return code + movwf combuff + .2 + movlw .1 + call send_answer + return + -- cgit v1.2.3