From: Paolo Bonzini <pbonzini@redhat.com>
To: Alexander Graf <alex@antistatix.de>, qemu-devel@nongnu.org
Cc: peter.maydell@linaro.org
Subject: Re: [Qemu-devel] hw/arm: add Lego NXT board
Date: Mon, 14 Jul 2014 13:46:50 +0200 [thread overview]
Message-ID: <53C3C32A.4060705@redhat.com> (raw)
In-Reply-To: <53C295C8.5040309@antistatix.de>
Il 13/07/2014 16:20, Alexander Graf ha scritto:
>
> The problem is that the qemu board I designed is not self-contained. It
> allows the firmware to read/write IO memory in order to read back sensor
> values from the simulated environment and to control actuators. The
> environment simulator is an external program which is connected to
> several qemu instances via posix named pipes using a simple
> communication protocol. Without pipe interaction the emulator can still
> be used to debug NXT firmware images without sensor/actuator interaction.
What does your protocol look like, and what kind of bus do the actual
sensors and actuators use?
If it is I2C or SPI, having generic i2c-over-chardev or spi-over-chardev
protocols and devices would be a nice addition to QEMU.
Paolo
next prev parent reply other threads:[~2014-07-14 11:47 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-13 14:20 [Qemu-devel] hw/arm: add Lego NXT board Alexander Graf
2014-07-14 11:23 ` Peter Crosthwaite
2014-07-14 11:46 ` Paolo Bonzini [this message]
2014-07-14 18:09 ` Alexander Graf
2014-07-14 20:37 ` Paolo Bonzini
2014-07-14 21:10 ` Alexander Graf
2014-07-14 22:48 ` Peter Maydell
2014-07-15 7:06 ` Paolo Bonzini
2014-07-15 10:26 ` Alexander Graf
2014-07-15 10:53 ` Paolo Bonzini
2014-07-15 18:55 ` Alexander Graf
2014-07-15 20:09 ` Paolo Bonzini
2014-07-16 8:40 ` Alexander Graf
2014-07-16 8:50 ` Paolo Bonzini
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