mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
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112 lines
4.6 KiB
Plaintext
112 lines
4.6 KiB
Plaintext
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/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012,2013 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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---
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes ChibiOS/RT, without being obliged to provide
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the source code for any proprietary components. See the file exception.txt
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for full details of how and when the exception can be applied.
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*/
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/**
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* @defgroup IO_BLOCK Abstract I/O Block Device
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* @ingroup IO
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*
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* @section io_block_1 Driver State Machine
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* The drivers implementing this interface shall implement the following
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* state machine internally. Not all the driver functionalities can be used
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* in any moment, any transition not explicitly shown in the following
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* diagram has to be considered an error and shall be captured by an
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* assertion (if enabled).
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* @if LATEX_PDF
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* @dot
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digraph example {
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size="5, 7";
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rankdir="LR";
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node [shape=circle, fontname=Sans, fontsize=8, fixedsize="true", width="0.9", height="0.9"];
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edge [fontname=Sans, fontsize=8];
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stop [label="BLK_STOP\nLow Power"];
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uninit [label="BLK_UNINIT", style="bold"];
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active [label="BLK_ACTIVE\nClock Enabled"];
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connecting [label="BLK_CONN.ING\nConnecting"];
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disconnecting [label="BLK_DISC.ING\nDisconnecting"];
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ready [label="BLK_READY\nCard Ready"];
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reading [label="BLK_READING\nReading"];
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writing [label="BLK_WRITING\nWriting"];
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uninit -> stop [label=" blkInit()", constraint=false];
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stop -> stop [label="\nblkStop()"];
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stop -> active [label="\nblkStart()"];
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active -> stop [label="\nblkStop()"];
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active -> active [label="\nblkStart()\nblkDisconnect()"];
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active -> connecting [label="\nblkConnect()"];
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connecting -> ready [label="\nconnection\nsuccessful"];
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connecting -> ready [label="\nblkConnect()", dir="back"];
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connecting -> active [label="\nconnection\nfailed"];
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disconnecting -> ready [label="\nblkDisconnect()", dir="back"];
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active -> disconnecting [label="\ndisconnection\nfinished", dir="back"];
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ready -> reading [label="\nblkRead()"];
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reading -> ready [label="\nread finished\nread error"];
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ready -> writing [label="\nblkWrite()"];
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writing -> ready [label="\nwrite finished\nwrite error"];
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}
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* @enddot
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* @else
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* @dot
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digraph example {
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rankdir="LR";
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node [shape=circle, fontname=Sans, fontsize=8, fixedsize="true", width="0.9", height="0.9"];
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edge [fontname=Sans, fontsize=8];
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stop [label="BLK_STOP\nLow Power"];
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uninit [label="BLK_UNINIT", style="bold"];
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active [label="BLK_ACTIVE\nClock Enabled"];
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connecting [label="BLK_CONN.ING\nConnecting"];
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disconnecting [label="BLK_DISC.ING\nDisconnecting"];
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ready [label="BLK_READY\nCard Ready"];
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reading [label="BLK_READING\nReading"];
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writing [label="BLK_WRITING\nWriting"];
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syncing [label="BLK_SYNCING\nSynchronizing"];
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uninit -> stop [label=" blkInit()", constraint=false];
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stop -> stop [label="\nblkStop()"];
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stop -> active [label="\nblkStart()"];
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active -> stop [label="\nblkStop()"];
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active -> active [label="\nblkStart()\nblkDisconnect()"];
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active -> connecting [label="\nblkConnect()"];
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connecting -> ready [label="\nconnection\nsuccessful"];
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connecting -> ready [label="\nblkConnect()", dir="back"];
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connecting -> active [label="\nconnection\nfailed"];
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disconnecting -> ready [label="\nblkDisconnect()", dir="back"];
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active -> disconnecting [label="\ndisconnection\nfinished", dir="back"];
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ready -> reading [label="\nblkRead()"];
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reading -> ready [label="\nread finished\nread error"];
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ready -> writing [label="\nblkWrite()"];
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writing -> ready [label="\nwrite finished\nwrite error"];
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ready -> syncing [label="\nblkSync()"];
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syncing -> ready [label="\nsynchronization finished"];
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}
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* @enddot
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* @endif
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*/
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