arduino-0018-windows
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arduino-0018-windows/hardware/tools/avr/doc/simulavr/TODO
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During 0.1.x:
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- complete simulation of 8515 device.
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- external peripheral device connection interface.
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- write, read and access watchpoints
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- documentation
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During 0.2.x:
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- add support for all at90s**** devices (Is this too ambitious?)
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- speed improvements (optimization)
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During 0.3.x:
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- add support for megas and tiny's (This might require some redesign
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work to get the atmega128 like devices right)
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Misc TODO's:
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The conversion to autoconf/automake configuration is working, but still needs
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to have the actual porting issues worked into the project. Also, the autoconf
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macros (the config/*.m4 files) could be robustified. For instance, the
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TROTH_PROG_AVR_CC macro really should do more than just checking if avr-gcc is
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in yout $PATH. It should also make sure that avr-gcc works. Like wise for the
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other macros. It's a start at least.
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Build the virtual hardware harness and gui. I'm thinking it be able to plug a
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device into something like the Atmel stk200 board thus giving the user LEDs
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for visual feed back and push buttons for supplying inputs to the ports. Also,
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I'd like to simulate the analog comparators and ADCs if possible. It might
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also be interesting to simulate a popular LCD display. More interesting might
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be the potential for custom user designed virtual peripherals which could be
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plugged into the virtual board. I wonder if I can use the same interface as
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gpsim, thus allowing the sharing of modules between the two projects?
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Make a python module out of the library.
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Need to write functions for loading/dumping eeprom from/to files.
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Add support for ihex, srec, elf, and whatever else input file formats.
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The interrupt code looks like it needs a major re-thinking. It doesn't handle
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the interrupt flag mechanism and doesn't support automatic vectoring into ISRs
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that occurred when the interrupt occured and was disabled either globally or
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by the specific control register and then the interrupt was subsequently
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enabled. This looks like it might be yucky. I'm seriously thinking that
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interrupts need to be handled via some asyncronous mechanism like unix
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signals. Also, some way to implement the interrupt response time needs to be
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thought out.
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Add code to output number of instructions executed (and per second) and total
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number of clocks (and per second). Should go in main.c.
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There's a bunch of FIXME comments in the code in places where someone needs to
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give more thought to the logic.
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These io registers still need to be implemented:
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GIMSK
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GIFR
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All the timer/counter 1 stuff.
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Lots of others too.
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