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/*
Copyright 2012 Jun Wako <wakojun@gmail.com>

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

/* This code makes use of cy384's Arduino USB HID adapter for the Palm Portable
 Keyboard, released under the BSD licence */




#pragma once

#define VENDOR_ID       0xFEED
#define PRODUCT_ID      0x0001
#define DEVICE_VER      0x0100
#define MANUFACTURER    QMK
#define PRODUCT         Stowaway converter
#define DESCRIPTION     USB converter for Stowaway keyboard

// IO pins to serial
// https://deskthority.net/wiki/Arduino_Pro_Micro for pin lookup
#define VCC_PIN D1 // pro micro 2
#define RX_PIN   D0 //pro micro 3 , was 8 on cy384
#define RTS_PIN  C6 // 5  //[ was D4 // 4 on the cy384
#define DCD_PIN  E6  //7

// if using the particular arduino pinout of CY384
#ifdef CY384
    #define GND_PIN  D7 //6
    #define PULLDOWN_PIN  B1 // 15
#endif

#ifndef HANDSPRING
// Set to 1 for Handspring or to disable RTS/DCD based handshake.
    #define HANDSPRING 0
#endif

#define MAXDROP 10 // check if keyboard is connected every X polling cycles
#define SLEEP_TIMEOUT 500000 // check keyboard/reset this many millis


#define MATRIX_ROWS 12
#define MATRIX_COLS 8

/* key combination for command */
#define IS_COMMAND() ( \
    get_mods() == (MOD_BIT(KC_LALT) | MOD_BIT(KC_RALT)) || \
    get_mods() == (MOD_BIT(KC_LGUI) | MOD_BIT(KC_RGUI)) || \
    get_mods() == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
)


/* Serial(USART) configuration
 *     asynchronous, negative logic, 9600baud, no flow control
 *     1-start bit, 8-data bit, non parity, 1-stop bit
 */
#define SERIAL_SOFT_BAUD            9600
#define SERIAL_SOFT_PARITY_NONE
#define SERIAL_SOFT_BIT_ORDER_LSB
#if (HANDSPRING == 0)
    #define SERIAL_SOFT_LOGIC_NEGATIVE  //RS232 logic
#endif
/* RXD Port */
#define SERIAL_SOFT_RXD_ENABLE

// we are using Pro micro pin 3 / D0 as serial
#define SERIAL_SOFT_RXD_DDR         DDRD
#define SERIAL_SOFT_RXD_PORT        PORTD
#define SERIAL_SOFT_RXD_PIN         PIND
#define SERIAL_SOFT_RXD_BIT         0
#define SERIAL_SOFT_RXD_VECT        INT0_vect

/* RXD Interupt */
#define SERIAL_SOFT_RXD_INIT()      do { \
    /* pin configuration: input with pull-up */ \
    SERIAL_SOFT_RXD_DDR &= ~(1<<SERIAL_SOFT_RXD_BIT); \
    SERIAL_SOFT_RXD_PORT |= (1<<SERIAL_SOFT_RXD_BIT); \
    /* enable interrupt: INT0(rising edge) */ \
    EICRA |= ((1<<ISC01)|(1<<ISC00)); \
    EIMSK |= (1<<INT0); \
    sei(); \
} while (0)
#define SERIAL_SOFT_RXD_INT_ENTER()
#define SERIAL_SOFT_RXD_INT_EXIT()  do { \
    /* clear interrupt  flag */ \
    EIFR = (1<<INTF0); \
} while (0)
#define SERIAL_SOFT_RXD_READ()      (SERIAL_SOFT_RXD_PIN&(1<<SERIAL_SOFT_RXD_BIT))

/* TXD Port */
#define SERIAL_SOFT_TXD_ENABLE
#define SERIAL_SOFT_TXD_DDR         DDRD
#define SERIAL_SOFT_TXD_PORT        PORTD
#define SERIAL_SOFT_TXD_PIN         PIND
#define SERIAL_SOFT_TXD_BIT         3
#define SERIAL_SOFT_TXD_HI()        do { SERIAL_SOFT_TXD_PORT |=  (1<<SERIAL_SOFT_TXD_BIT); } while (0)
#define SERIAL_SOFT_TXD_LO()        do { SERIAL_SOFT_TXD_PORT &= ~(1<<SERIAL_SOFT_TXD_BIT); } while (0)
#define SERIAL_SOFT_TXD_INIT()      do { \
    /* pin configuration: output */ \
    SERIAL_SOFT_TXD_DDR |= (1<<SERIAL_SOFT_TXD_BIT); \
    /* idle */ \
    SERIAL_SOFT_TXD_ON(); \
} while (0)