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config.h
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/*
* path: /home/klassiker/.local/share/repos/zenith-xt-usb/config.h
* author: klassiker [mrdotx]
* github: https://github.com/mrdotx/zenith-xt-usb
* date: 2023-04-06T18:30:12+0200
*/
#ifndef CONFIG_H
#define CONFIG_H
#include <avr/interrupt.h>
#define VENDOR_ID 0xFEED
#define PRODUCT_ID 0x1bee
#define DEVICE_VER 0x0001
#define MANUFACTURER t.m.k.
#define PRODUCT Zenith keyboard converter
#define DESCRIPTION convert Zenith keyboard to USB
/* matrix size */
#define MATRIX_ROWS 16 // keycode bit: 6-3
#define MATRIX_COLS 8 // keycode bit: 2-0
/* key combination for command */
#define IS_COMMAND() ( \
keyboard_report->mods == (MOD_BIT(KC_LSHIFT) | MOD_BIT(KC_RSHIFT)) \
)
/* G80-2551 terminal keyboard support */
/* #define G80_2551_SUPPORT */
/* Pin and interrupt configuration */
#if defined(__AVR_ATmega32U4__) || defined(__AVR_ATmega32U2__) || defined(__AVR_AT90USB1286__)
/* clock line */
#define IBMPC_CLOCK_PORT PORTD
#define IBMPC_CLOCK_PIN PIND
#define IBMPC_CLOCK_DDR DDRD
#define IBMPC_CLOCK_BIT 1
/* data line */
#define IBMPC_DATA_PORT PORTD
#define IBMPC_DATA_PIN PIND
#define IBMPC_DATA_DDR DDRD
#define IBMPC_DATA_BIT 0
/* reset line */
#define IBMPC_RST_PORT PORTB
#define IBMPC_RST_PIN PINB
#define IBMPC_RST_DDR DDRB
#define IBMPC_RST_BIT1 6
#define IBMPC_RST_BIT2 7
/* reset for XT Type-1 keyboard: low pulse for 500ms */
#define IBMPC_RST_HIZ() do { \
IBMPC_RST_PORT &= ~(1<<IBMPC_RST_BIT1); \
IBMPC_RST_DDR &= ~(1<<IBMPC_RST_BIT1); \
IBMPC_RST_PORT &= ~(1<<IBMPC_RST_BIT2); \
IBMPC_RST_DDR &= ~(1<<IBMPC_RST_BIT2); \
} while (0)
#define IBMPC_RST_LO() do { \
IBMPC_RST_PORT &= ~(1<<IBMPC_RST_BIT1); \
IBMPC_RST_DDR |= (1<<IBMPC_RST_BIT1); \
IBMPC_RST_PORT &= ~(1<<IBMPC_RST_BIT2); \
IBMPC_RST_DDR |= (1<<IBMPC_RST_BIT2); \
} while (0)
/* interrupt for clock line */
#define IBMPC_INT_INIT() do { \
EICRA |= ((1<<ISC11) | \
(0<<ISC10)); \
} while (0)
/* NOTE: clear flag and enabling to ditch unwanted interrupt */
#define IBMPC_INT_ON() do { \
EIFR |= (1<<INTF1); \
EIMSK |= (1<<INT1); \
} while (0)
#define IBMPC_INT_OFF() do { \
EIMSK &= ~(1<<INT1); \
} while (0)
#define IBMPC_INT_VECT INT1_vect
#else
#error "No pin configuration in config.h"
#endif
#endif