Hi, I'm willing to start to learn arm. I have bought the board : http://www.olimex.com/dev/sam7-p256.html I have made some tests loading the code in flash using SAM-BA. Is any bootloader available in order to send the code in controller at the moment when the board is connected to pc trough usb cable ? Regards, Daniel
Check out TNkernel webpage: http://www.tnkernel.com under USB firmware upgrader. It is written for LPC2xxx MCU's, but you can get basic idea. Regards, Aleš
Daniel Dumitru wrote: > Hi, > > I'm willing to start to learn arm. > I have bought the board : http://www.olimex.com/dev/sam7-p256.html > I have made some tests loading the code in flash using SAM-BA. > Is any bootloader available in order to send the code in controller at > the moment when the board is connected to pc trough usb cable ? For development you should try to get a JTAG-interface. Support for flash-programming of AT91SAM7S in the free software OpenOCD is rather good and the adapters like the Olimex ARM-JTAG or Amontec JTAGkey/-tiny are rather inexpensive. You can also use these FT2232-based adapters for debugging. Some SAM7 USB bootloader-codes: http://cq.cx/at91sam7sXXX.pl http://www.pcb-dev.com/ -> SAM7 Flashtool
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