Macsimavr Avr Simulator For Mac
MacSim is a simple AVR simulator for Mac computers. With MacSim you can load a hex file into a simulated generic AVR and watch your code execute. Step through the code one instruction at a time or set it to auto step and adjust the speed from slow to fast. Set code breakpoints to stop the processor and examine the AVR.
I recently switched from Windows to OS X. I bought a MacBook and I already love it. The downside is, that I have to build up the complete environment to program AVR microcontrollers again. This is a write up of things to install and confiure to get the tool chain up and running.
Prerequisites. Mac OS X 10.4.10. mySmartUSB programmer Installation of tool chain. XCode 2.4.1. This package contains most tools needed for developing for Mac OS X. We need it for make and for the compiler to compile the tools further down. Follow the instructions of the installation dialog.
Following the to install Mac Ports, we have to install X11 first. Install it from the Mac OS X installation CD #1. Mac Ports 1.5.0. To be able to fetch and install ported packages, we need to install Mac Ports. Be sure to follow the and check, if Mac Ports is working. AVR-GCC cross compiler and needed tools and libs. If port is running, issue sudo port install avr-libc in your terminal.
That will fetch the packages and compile them. avrdude 5.3.1. I am using avrdude as programmer. To fetch it from Mac Ports, issue sudo port install avrdude mySmartUSB Programmer For my programmer, mySmartUSB, a driver is needed. As the programmer uses the Silicon Labs CP2102 chip for USB-to-UART conversion, an additional driver is needed. It can be found.
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After installation a reboot is recommended. The device file is only visible when the programmer is attached to the USB port. Mine is here: /dev/tty.SLABUSBtoUART. Test run After having installed everything I wanted to see if my tools are working as expected. I wrote the “Hello World”-blinking LED program that all of you know. Compiling it works without problems. Programming it, reveals a problem, that I was already familiar with.
Avrdude was able to talk to the programmer, but complains about Verify error - unable to read lfuse properly. Programmer may not be reliable. This time I just used the -u switch to overwrite the warning. My command line looks like this: avrdude -v -u -p ATmega8 -c avr910 -P /dev/tty.SLABUSBtoUART -U flash:w:main.hex:i And it works! Links. from Lady Ada, great introduction to use a Mac with AVRs.
programmer. Hello Alex and all Mac-AVR addicts out there, as a coincidence I finished my Mac-AVR setup just this week. I have installed, i.e. Compiled the complete avr toolchain following the instructions in the avrlibc manual without a single problem. This way I can twist the sources, actually I am working on some improvements to avrdude. Presently I use XCode but I will definitively look into eclipse as well. One tip for Alex: Use butterfly as a programmer and the flashing will go faster.
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And you get rid of the devicecode problems. Best regards, Joe T. Hermann Like. Congrat to the whole site!
Someone said (somewhere around here) we need guys like u – that right! I have a question for you! I’ve been building small circuits for some time by now, and i recently changed to MAC from PC. (macbook to be specific) i only have USB as you know and i thought i would buy an USB TO PARALLEL cable. And i could use my “old” parallel port-used ic writer. Hope u understand.
I thought i need the cable. Than i would need a driver for that cable to operate as a paralel port. Or is this even a possible way to “write” my ICs? Since that usb adapter u used ritgh here isnt really available in Hungary. And its also expensive on amazon thanks for helping:) peter Like.
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