mirror of https://github.com/demik/quack.git
82 lines
2.1 KiB
C
82 lines
2.1 KiB
C
/*
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* adb.h
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* quack
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*
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* Created by Michel DEPEIGE on 7/01/2021.
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* Copyright (c) 2020 Michel DEPEIGE.
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*
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* This program 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 2, or (at your option)
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* any later version.
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*
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* This program 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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*
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* You should have received a copy of the GNU General Public License
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* along with this program (see the file COPYING); if not, write to the
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* Free Software Foundation, Inc.,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*
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*/
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#ifndef ADB_H
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#define ADB_H
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/* prototypes */
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void adb_init(void);
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bool adb_is_host(void);
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void adb_task_host(void *pvParameters);
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void adb_task_idle(void *pvParameters);
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void adb_tx_cmd(unsigned char cmd);
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void adb_tx_data(uint16_t data);
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void adb_tx_listen(unsigned char cmd, uint16_t data);
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void adb_tx_reset(void);
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/* defines */
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#define RMT_RX_CHANNEL RMT_CHANNEL_0
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#define tskADB_PRIORITY 4
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/* ADB timers */
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#define ADB_RESET 3000
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#define ADB_0_LOW 65
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#define ADB_0_HIGH 35
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#define ADB_1_LOW 35
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#define ADB_1_HIGH 65
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/* Classic Apple Mouse Protocol bitmasks */
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#define ADB_CMP_B1 (1<<15)
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#define ADB_CMP_B2 (1<<7)
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#define ADB_CMP_MX (127<<0)
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#define ADB_CMP_MY (127<<8)
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/* ADB commands values from 00591b.pdf page 16-17 */
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#define ADB_TALK 0xC
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#define ADB_LISTEN 0x8
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#define ADB_FLUSH 0x1
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#define ADB_REG0 0x0
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#define ADB_REG3 0x3
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/* Device addresses */
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#define ADB_MOUSE (3<<4)
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#define ADB_TMP (9<<4)
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/* Various stuff */
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#define ADB_B_UP 0
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#define ADB_B_DOWN 1
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#define ADB_H_ALL 0xff // Handlers bitmask
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#define ADB_H_C100 0x01 // Handler 1 (Classic @ 100cpi)
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#define ADB_H_C200 0x02 // Handler 2 (Classic @ 200cpi)
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#define ADB_H_MOVE 0xfe // Move to another address
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/* Host states */
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#define ADB_S_PROBE 0x00
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#define ADM_S_POLL 0x01
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#define ADB_S_KEEP 0x08
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#endif
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