added ihu source dir

git-svn-id: https://svn.spreadspace.org/mur.sat@31 7de4ea59-55d0-425e-a1af-a3118ea81d4c

2 files changed, 130 insertions, 0 deletions

diff --git a/software/ihu/Makefile b/software/ihu/Makefile
new file mode 100644
index 0000000..3c1cb81
--- /dev/null
+++ b/software/ihu/Makefile
@@ -0,0 +1,34 @@
+##
+##  mur.sat
+##
+##  Somewhen in the year 2011, mur.at will have a nano satellite launched
+##  into a low earth orbit (310 km above the surface of our planet). The
+##  satellite itself is a TubeSat personal satellite kit, developed and
+##  launched by interorbital systems. mur.sat is a joint venture of mur.at,
+##  ESC im Labor and realraum.
+##
+##  Please visit the project hompage at sat.mur.at for further information.
+## 
+##
+##  Copyright (C) 2011 Christian Pointner <equinox@mur.at>
+##                         
+##  This file is part of mur.sat.
+##
+##  mur.sat 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.
+##
+##  mur.sat 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 mur.sat. If not, see <http://www.gnu.org/licenses/>.
+##
+
+PROJECT := ihu
+PROC_TYPE := 16F887
+
+include ../pic.include.mk
diff --git a/software/ihu/ihu.asm b/software/ihu/ihu.asm
new file mode 100644
index 0000000..3cde059
--- /dev/null
+++ b/software/ihu/ihu.asm
@@ -0,0 +1,96 @@
+  ;;
+  ;;  mur.sat
+  ;;
+  ;;  Somewhen in the year 2011, mur.at will have a nano satellite launched
+  ;;  into a low earth orbit (310 km above the surface of our planet). The
+  ;;  satellite itself is a TubeSat personal satellite kit, developed and
+  ;;  launched by interorbital systems. mur.sat is a joint venture of mur.at,
+  ;;  ESC im Labor and realraum.
+  ;;
+  ;;  Please visit the project hompage at sat.mur.at for further information.
+  ;; 
+  ;;
+  ;;  Copyright (C) 2011 Christian Pointner <equinox@mur.at>
+  ;;                         
+  ;;  This file is part of mur.sat.
+  ;;
+  ;;  mur.sat 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.
+  ;;
+  ;;  mur.sat 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 mur.sat. If not, see <http://www.gnu.org/licenses/>.
+  ;;
+  ;; -------------------------------------
+  ;; PREAMBLE
+
+  LIST      p=16F887
+  include   "p16f887.inc"
+  ;; TODO: set correct configuration bits
+  __config _FCMEN_OFF & _IESO_OFF & _CPD_OFF & _CP_OFF & _MCLRE_OFF & _PWRTE_OFF & _WDT_OFF & _INTRC_OSC_NOCLKOUT
+  
+  ;; -------------------------------------
+  ;; DEFINES
+  ;; TODO: find right address for context save registers
+W_TEMP      EQU H'007E'
+STATUS_TEMP EQU H'007F'
+
+  ;; -------------------------------------
+  ;; Reset Vector
+  org	      0
+  goto      init
+
+  ;; -------------------------------------
+  ;; Interrupt Vector
+  org	      4
+  ;; save context
+  movwf     W_TEMP
+  swapf     STATUS,W
+  movwf     STATUS_TEMP
+
+  ;; TODO: implement interrupt service routines
+  
+interrupt_end
+  ;; restore context
+  swapf     STATUS_TEMP,W
+  movwf     STATUS
+  swapf     W_TEMP,F
+  swapf     W_TEMP,W
+  retfie
+
+  ;; -------------------------------------
+  ;; INIT
+init
+  ;; bank 1
+  ;; TODO: do init stuff
+  goto      main
+
+  ;; -------------------------------------
+  ;; TABLES
+
+  ;; TODO: add lookup tables if needed
+  
+  ;; -------------------------------------
+  ;; SUBROUTINES
+
+  ;; TODO: add subroutines
+  
+  ;; -------------------------------------
+  ;; MAINLOOP
+main
+
+  ;; TODO: add main code
+  
+powerdown
+  sleep
+  goto      main
+  
+  ;; -------------------------------------
+  ;; END
+  end