Quote:
Originally Posted by knc1
All are services provided by the computer executing the firmware.
Computer not running, no services.
What you are looking for is something provided by the hardware, not the execution of software.
Two choices in general:
Serial port.
The primary serial port is used by the SoC, the boot loader (u-boot) and then the Linux kernel. Each in the sequence of things starting up.
Our prefix index system has information on accessing the serial port for all models except the Kpw.
eJTAG.
This communications path works down to the level of the ARM core of the SoC, even if the ARM core is not running.
Nothing (that I know of) published here about using that on the Freescale SoC and/or the Kindles.
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So in the end I need to make an USB-Serial converter.