Alin Jerpelea af28821c77 Merged in alinjerpelea/nuttx (pull request #966)
group boards by architecture

* z80: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* z16: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* xtensa: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* x86: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* sim: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* risc-v: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* renesas: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* or1k: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* misoc: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* mips: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* hc: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* avr: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* arm: group boards by architecture

    all boards that share the same architecture are moved to the same arch
    folder following the soc layout

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

* boards: group boards by architecture

    Signed-off-by: Alin Jerpelea <alin.jerpelea@sony.com>

Approved-by: Gregory Nutt <gnutt@nuttx.org>
2019-08-06 14:37:27 +00:00
..

README
======

This README discusses issues unique to NuttX configurations for the
Axoloti open source synthesizer board featuring the STM32F427IGH6
MCU. The STM32F427IGH6 has a 180MHz Cortex-M4 core with 1MiB Flash
memory and 256KiB of SRAM. The board features:

  - ADAU1961 24-bit 96 kHz stereo CODEC
  - 1/4" in/out jacks for analog audio signals
  - 3.5 mm jack for analog audio signals
  - 8 MiB of SDRAM (Alliance Memory AS4C4M16SA)
  - Serial MIDI in/out ports
  - SD Card slot
  - Two user LEDs and one (GPIO) push-button
  - USB OTG FS with Micro-AB connector (USB device mode operation)
  - USB OTG HS with Type-A connector (USB host mode operation)
  - Easy access to most IO pins

Refer to http://www.axoloti.com/ for further information about this board.