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embeddednirvana committed Apr 19, 2011
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  1. +202 −0 COPYING
  2. +124 −0 Makefile
  3. +57 −0 README
  4. +63 −0 app/bob_tasks.c
  5. +80 −0 device/driver_pio.c
  6. +132 −0 device/rtt.c
  7. +458 −0 device/sd.c
  8. +192 −0 device/spi.c
  9. +139 −0 device/usart.c
  10. +139 −0 ecc/hamming2.s
  11. +80 −0 ecc/scrubs.s
  12. +14 −0 fs/patches/20.10.10.patch
  13. +346 −0 fs/patches/sat_fs.c
  14. +637 −0 fs/sat_fs.c
  15. +28 −0 fs/spi_fs.h.bak
  16. +130 −0 fs/test_main.c
  17. BIN ielf
  18. +99 −0 ielf.c
  19. +19 −0 ielf.h
  20. +34 −0 ielf.sh
  21. +2,731 −0 include/AT91SAM7X256.h
  22. +51 −0 include/SST_config.h
  23. +34 −0 include/bob_tasks.h
  24. +67 −0 include/driver_pio.h
  25. +38 −0 include/rtt.h
  26. +158 −0 include/sat_fs.h
  27. +213 −0 include/sd.h
  28. +114 −0 include/spi.h
  29. +58 −0 include/task.h
  30. +65 −0 include/trace.h
  31. +40 −0 include/usart.h
  32. +174 −0 main.c
  33. +1 −0 par.bin
  34. 0 parity.bin
  35. +1 −0 parity.c
  36. BIN sst.bin
  37. +124 −0 sst.ld
  38. +543 −0 sst.map
  39. BIN sst_11.bin
  40. +263 −0 system/boot.s
  41. +211 −0 system/exc.c
  42. +354 −0 system/exceptions.s
  43. +124 −0 system/low_level_init.c
  44. +64 −0 system/swi.c
  45. +241 −0 system/task.c
202 COPYING
@@ -0,0 +1,202 @@
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124 Makefile
@@ -0,0 +1,124 @@
+######################################################################################
+# Copyright 2011 Nishchay Mhatre
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+##################################################################################### */
+
+#Makefile for SST Integrated build on ARM7-TDMI based AT91SAM 7X256
+
+# Toolchain definition
+TC=arm-none-eabi
+
+# Toolchain depedent GNU build sofware
+COMPILE=arm-none-eabi-gcc
+LOAD=$(TC)-ld
+ASSEMBLE=$(TC)-as
+DEBUG=$(TC)-gdb
+PROFILE=$(TC)-prof
+OBJCOPY=$(TC)-objcopy
+
+#Linker script
+LDSCRIPT=sst.ld
+
+# Target Machine Specifications
+CPU=arm7tdmi
+ARCH=armv4t
+
+# Build directories
+
+BLDDIR= .
+BINDIR = ./bin
+
+APPSRC=$(BLDDIR)/app
+FS=$(BLDDIR)/fs
+INC=$(BLDDIR)/include
+SYSTEM=$(BLDDIR)/system
+
+# Compiler options
+
+DBG=-g
+PROF=-pg
+OPTIM=-mlow-irq-latency
+
+CFLAGS= $(DBG)\
+ -mcpu=$(CPU) \
+ -marm \
+ -mabi=aapcs \
+ -fomit-frame-pointer\
+ -I$(INC)\
+ -T $(LDSCRIPT)
+
+#Linker flags
+LIBS=-Wl,--start-group -lgcc -Wl,--end-group
+LINKER_FLAGS=-nostartfiles -Xlinker -osst.elf -Xlinker -M -Xlinker -Map=sst.map
+
+#Asm flags
+ASFLAGS=-g -gdwarf2 -mcpu=arm7tdmi #-mthumb-interwork -mapcs-frame
+
+ARM_SOURCE= ./main.c \
+ $(SYSTEM)/low_level_init.c \
+ $(SYSTEM)/swi.c \
+ $(SYSTEM)/task.c \
+ $(SYSTEM)/exc.c \
+ ./device/driver_pio.c\
+ ./device/usart.c\
+ ./device/rtt.c\
+ ./device/spi.c\
+ ./device/sd.c\
+ $(APPSRC)/bob_tasks.c\
+ $(FS)/sat_fs.c
+
+ARM_OBJS = $(ARM_SOURCE:.c=.o)
+ARM_ASM = $(ARM_SOURCE:.c=.s)
+
+VERSION=11
+#This is the 11th build of this system
+NAME=sst_$(VERSION)
+
+all: $(NAME).bin
+asm: $(ARM_ASM)
+
+$(NAME).bin : sst.elf
+ $(OBJCOPY) sst.elf -O binary $(NAME).bin
+
+sst.elf : $(ARM_OBJS) boot.o exceptions.o Makefile
+ $(COMPILE) $(CFLAGS) $(LINKER_FLAGS) $(ARM_OBJS) boot.o exceptions.o
+
+boot.o : ./system/boot.s
+ $(ASSEMBLE) $(ASFLAGS) -o boot.o ./system/boot.s
+
+exceptions.o : ./system/exceptions.s
+ $(ASSEMBLE) $(ASFLAGS) -o exceptions.o ./system/exceptions.s
+
+hamming2.o : ./ecc/hamming2.s
+ $(ASSEMBLE) $(ASFLAGS) -o hamming2.o ./ecc/hamming2.s
+
+scrubs.o : ./ecc/scrubs.s
+ $(ASSEMBLE) $(ASFLAGS) -o scrubs.o ./ecc/scrubs.s
+
+$(ARM_OBJS) : %.o : %.c Makefile
+ $(COMPILE) $(CFLAGS) -c $< -o $@
+
+$(ARM_ASM) : %.s : %.c Makefile
+ $(COMPILE) $(CFLAGS) -S $< -o $@
+ cp ./*/*.s ./asm
+
+clean :
+ rm -rf $(ARM_OBJS)
+ rm -rf boot.o exceptions.o
+ touch Makefile
+ rm -rf sst.elf
+
+clean-asm:
+ rm -rf asm/*.s
57 README
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+A Rudimentary RTOS for Satellite Control.
+COEP Satellite Project
+Copyright 2011 COEP Satellite Project
+_____________________________________________________________________________________________
+
+This is the integrated system software for the control of a small satellite designed by COEP
+students. It is an example of how moderately complex systems are built on Bare Metal.
+
+This contains the following code:
+
+app:
+bob_tasks.c - Bunch of rudimentary tasks performed by the system
+
+asm: - All output of `make asm' goes here
+
+device: - On chip device drivers
+driver_pio.c - Parallel IO port
+rtt.c - Real Time Timer
+sd.c - SD card
+spi.c - Serial peripheral interface
+usart.c
+
+ecc: - Code for error correction coding on program memory
+hamming2.s - Hamming code
+scrubs.s - Data scrubbing
+
+fs: - A simple File System that is used on the SD card
+patches
+sat_fs.c
+spi_fs.h.bak
+test_main.c
+
+fs/patches:
+20.10.10.patch
+sat_fs.c
+
+include:
+AT91SAM7X256.h - Atmel header for MCU
+bob_tasks.h
+driver_pio.h
+rtt.h
+sat_fs.h
+sd.h
+spi.h
+SST_config.h - Configuration file
+task.h
+trace.h
+usart.h
+
+system:
+boot.s - Bootup code.
+exc.c - High level Interrupt Service Routines. Also contains some code to help the
+ scheduler
+exceptions.s - Low level exception handlers
+low_level_init.c - First hardware initialisation
+swi.c - Software interrupts - a rudimentary system calls interface
+task.c - Real time scheduler
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