From d06e940a179b2e81563cf6123461cfcad35f9045 Mon Sep 17 00:00:00 2001
From: Erez Zukerman <ezuk@madmimi.com>
Date: Tue, 24 May 2016 23:55:29 -0400
Subject: [Erez & Jack] Removes keyboards which are not active on qmk

---
 keyboard/IIgs/matrix.c | 363 -------------------------------------------------
 1 file changed, 363 deletions(-)
 delete mode 100644 keyboard/IIgs/matrix.c

(limited to 'keyboard/IIgs/matrix.c')

diff --git a/keyboard/IIgs/matrix.c b/keyboard/IIgs/matrix.c
deleted file mode 100644
index 6ca55b7ea2..0000000000
--- a/keyboard/IIgs/matrix.c
+++ /dev/null
@@ -1,363 +0,0 @@
-/*
-Copyright 2011 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/>.
-*/
-
-/*
- * scan matrix
- */
-#include <stdint.h>
-#include <stdbool.h>
-#include <avr/io.h>
-#include <util/delay.h>
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-#include "led.h"
-
-
-#if (MATRIX_COLS > 16)
-#   error "MATRIX_COLS must not exceed 16"
-#endif
-#if (MATRIX_ROWS > 255)
-#   error "MATRIX_ROWS must not exceed 255"
-#endif
-
-
-#ifndef DEBOUNCE
-#   define DEBOUNCE	0
-#endif
-static uint8_t debouncing = DEBOUNCE;
-
-// matrix state buffer(1:on, 0:off)
-#if (MATRIX_COLS <= 8)
-static uint8_t *matrix;
-static uint8_t *matrix_prev;
-static uint8_t _matrix0[MATRIX_ROWS];
-static uint8_t _matrix1[MATRIX_ROWS];
-#else
-static uint16_t *matrix;
-static uint16_t *matrix_prev;
-static uint16_t _matrix0[MATRIX_ROWS];
-static uint16_t _matrix1[MATRIX_ROWS];
-#endif
-
-#ifdef MATRIX_HAS_GHOST
-static bool matrix_has_ghost_in_row(uint8_t row);
-#endif
-static uint8_t read_col(uint8_t row);
-static void unselect_rows(void);
-static void select_row(uint8_t row);
-
-
-inline
-uint8_t matrix_rows(void)
-{
-    return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
-    return MATRIX_COLS;
-}
-
-void matrix_init(void)
-{
-    // initialize row and col
-    unselect_rows();
-    // Input with pull-up(DDR:0, PORT:1)
-	// Column C1 ~ C7 (PortC0-6)
-	// Column C0(Port E1)
-    DDRC &= ~0b01111111;
-    PORTC |= 0b01111111;
-    DDRE &= ~0b00000010;
-    PORTE |= 0b00000010;
-	//DDRB &= ~0b00000100;
-	//PORTB |= 0b00000100;
-	// modifier	B3/4,F4/5,E4	always input
-	// 			A0
-    //DDRA |=  0b00000001;
-    //PORTA &= 0b00000001;
-    //DDRB |=  0b00011000;
-    //PORTB &= 0b00011000;
-    //DDRF |= ~0b00110000;
-    //PORTF &= 0b00110000;
-    //DDRB &= ~0b00011000;
-    //PORTB |= 0b00011000;
-    //DDRF &= ~0b00110000;
-    //PORTF |= 0b00110000;
-    //DDRE &= ~0b00010000;
-    //PORTE |= 0b00010000;
-
-    // initialize matrix state: all keys off
-    for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0x00;
-    for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix1[i] = 0x00;
-    matrix = _matrix0;
-    matrix_prev = _matrix1;
-}
-
-uint8_t matrix_scan(void)
-{
-    if (!debouncing) {
-        uint8_t *tmp = matrix_prev;
-        matrix_prev = matrix;
-        matrix = tmp;
-    }
-
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        unselect_rows();
-        select_row(i);
-        _delay_us(30);  // without this wait read unstable value.
-		if ( i == ( MATRIX_ROWS - 1 ) ) {							// CHECK CAPS LOCK
-       		if (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) {		// CAPS LOCK is ON on HOST
-				if ( ~read_col(i) & (1<< 4) ) { 							// CAPS LOCK is still DOWN ( 0bXXX1_XXXX)	
-					matrix[i]        = ~read_col(i) & 0b11101111;				// change CAPS LOCK as released
-				} else {													// CAPS LOCK in UP
-					matrix[i] = ~read_col(i) | 0b00010000;						// send fake caps lock down
-				}
-			} else {													// CAPS LOCK is OFF on HOST
-        		if (matrix[i] != (uint8_t)~read_col(i)) {
-           			matrix[i] = (uint8_t)~read_col(i);
-        			if (debouncing) {
-        				debug("bounce!: "); debug_hex(debouncing); print("\n");
-					}
-       				debouncing = DEBOUNCE;
-				}
-			}
-		} else {
-        	if (matrix[i] != (uint8_t)~read_col(i)) {
-           		matrix[i] = (uint8_t)~read_col(i);
-        		if (debouncing) {
-        			debug("bounce!: "); debug_hex(debouncing); print("\n");
-				}
-       			debouncing = DEBOUNCE;
-			}
-		}
-	}
-    unselect_rows();
-
-    if (debouncing) {
-        debouncing--;
-    }
-
-    return 1;
-}
-
-bool matrix_is_modified(void)
-{
-    if (debouncing) return false;
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        if (matrix[i] != matrix_prev[i]) {
-            return true;
-        }
-    }
-    return false;
-}
-
-inline
-bool matrix_has_ghost(void)
-{
-#ifdef MATRIX_HAS_GHOST
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-        if (matrix_has_ghost_in_row(i))
-            return true;
-    }
-#endif
-    return false;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
-//	if ( row == ( MATRIX_ROWS - 1 ) && col == 4) {							// CHECK CAPS LOCK
-//    	if (host_keyboard_leds() & (1<<USB_LED_CAPS_LOCK)) {		// CAPS LOCK is ON on HOST
-//			if ((matrix_prev[row] & 0b00010000) && (~matrix[row] & 0b00010000)) {
-//				debug("CapsLock Reverse:");debug_hex(matrix[row]);
-//				matrix[row] |= 0b00010000;
-//				matrix_prev[row] &= ~0b00010000;
-//				debug("->");debug_hex(matrix[row]);debug("\n");
-//			}
-//		} 
-//	}
-   	return (matrix[row] & (1<<col));
-}
-
-inline
-#if (MATRIX_COLS <= 8)
-uint8_t matrix_get_row(uint8_t row)
-#else
-uint16_t matrix_get_row(uint8_t row)
-#endif
-{
-    return matrix[row];
-}
-
-void matrix_print(void)
-{
-    print("\nr/c 01234567\n");
-    for (uint8_t row = 0; row < matrix_rows(); row++) {
-        phex(row); print(": ");
-#if (MATRIX_COLS <= 8)
-        pbin_reverse(matrix_get_row(row));
-#else
-        pbin_reverse16(matrix_get_row(row));
-#endif
-#ifdef MATRIX_HAS_GHOST
-        if (matrix_has_ghost_in_row(row)) {
-            print(" <ghost");
-        }
-#endif
-        print("\n");
-    }
-}
-
-uint8_t matrix_key_count(void)
-{
-    uint8_t count = 0;
-    for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
-#if (MATRIX_COLS <= 8)
-        count += bitpop(matrix[i]);
-#else
-        count += bitpop16(matrix[i]);
-#endif
-    }
-    return count;
-}
-
-#ifdef MATRIX_HAS_GHOST
-inline
-static bool matrix_has_ghost_in_row(uint8_t row)
-{
-    // no ghost exists in case less than 2 keys on
-    if (((matrix[row] - 1) & matrix[row]) == 0)
-        return false;
-
-    // ghost exists in case same state as other row
-    for (uint8_t i=0; i < MATRIX_ROWS; i++) {
-        if (i != row && (matrix[i] & matrix[row]) == matrix[row])
-            return true;
-    }
-    return false;
-}
-#endif
-
-inline
-static uint8_t read_col(uint8_t row)
-{
-	// For normal 	: Column C1 ~ C7 (PortC0-6), C0(Port E1)
-	// For modifier	: B3(CNTRL)/4(SHIFT),F4(CMD/GUI)/5(OPTION,ALT)
-	// Modifier would be copied to report->mods except E4(CAPSLOCK)
-	uint8_t tmp;
-	if ( row == 10 ) {
-		tmp = 0xC0;
-		tmp |= (PINB >> 3 ) & 0b00000011;	// LEFT CTRL  is 0bit in modifier (HID Spec)
-											// LEFT SHIFT is 1bit in modifier (HID Spec)
-		tmp |= (PINF >> 3 ) & 0b00000100;	// LEFT ALT   is 2bit in modifier (HID Spec)
-		tmp |= (PINF >> 1 ) & 0b00001000;	// LEFT GUI   is 3bit in modifier (HID Spec)
-		tmp |= (PINA << 4 ) & 0b00010000;	// CAPSLOCK
-		tmp |= (PINB << 3 ) & 0b00100000;	// POWER 	 
-	} else {
-		tmp = 0x00;
-		tmp = (PINE >> 1)&0b00000001; 
-		tmp |= PINC << 1 ;
-	}
-	return tmp;
-}
-
-inline
-static void unselect_rows(void)
-{
-    // Hi-Z(DDR:0, PORT:0) to unselect
-	// DDR : 1, output	0, input
-    DDRB  &= ~0b00000011; // PB: 1,0  
-    PORTB &= ~0b00000011;
-    DDRD  &= ~0b00010000; // PD: 4
-    PORTD &= ~0b00010000;
-    DDRE  &= ~0b11000000; // PE: 7,6
-    PORTE &= ~0b11000000;
-    DDRF  &= ~0b11000111; // PF: 7,6,2,1,0 
-    PORTF &= ~0b11000111;
-	// to unselect virtual row(modifier), set port to output with low
-    DDRA  |=  0b00000001; // PA: 0 for CAPSLOCK
-    PORTA &= ~0b00000001;
-    DDRB  |=  0b00011100; // PB: 3,4 for modifier(row10)
-    PORTB &= ~0b00011100; // PB: 2 for power
-    DDRF  |=  0b00110000; // PF: 4,5 for modifier
-    PORTF &= ~0b00110000;
-}
-
-inline
-static void select_row(uint8_t row)
-{
-    // Output low(DDR:1, PORT:0) to select
-	// with row enable, column could send low to AVR when pressed
-    // row: 0    1    2    3    4    5    6    7    8    9
-    // pin: PB1, PB0, PE7, PE6, PD4, PF2, PF0, PF1, PF6  PF7
-    switch (row) {
-        case 0:
-            DDRB  |= (1<<1);
-            PORTB &= ~(1<<1);
-            break;
-        case 1:
-            DDRB  |= (1<<0);
-            PORTB &= ~(1<<0);
-            break;
-        case 2:
-            DDRE  |= (1<<7);
-            PORTE &= ~(1<<7);
-            break;
-        case 3:
-            DDRE  |= (1<<6);
-            PORTE &= ~(1<<6);
-            break;
-        case 4:
-            DDRD  |= (1<<4);
-            PORTD &= ~(1<<4);
-            break;
-        case 5:
-            DDRF  |= (1<<2);
-            PORTF &= ~(1<<2);
-            break;
-        case 6:
-            DDRF  |= (1<<0);
-            PORTF &= ~(1<<0);
-            break;
-        case 7:
-            DDRF  |= (1<<1);
-            PORTF &= ~(1<<1);
-            break;
-        case 8:
-            DDRF  |= (1<<6);
-            PORTF &= ~(1<<6);
-            break;
-        case 9:
-            DDRF  |= (1<<7);
-            PORTF &= ~(1<<7);
-            break;
-		case 10:
-			// modifier has no row enable
-			// to select virtual row, set port as input
-		    DDRA &= ~0b00000001;
-		    PORTA |= 0b00000001;
-		    DDRB &= ~0b00011100;
-		    PORTB |= 0b00011100;
-		    DDRF &= ~0b00110000;
-		    PORTF |= 0b00110000;
-            break;
-
-    }
-}
-- 
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