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-rw-r--r--converter/adb_usb/matrix.c296
1 files changed, 0 insertions, 296 deletions
diff --git a/converter/adb_usb/matrix.c b/converter/adb_usb/matrix.c
deleted file mode 100644
index 6220ee6e1..000000000
--- a/converter/adb_usb/matrix.c
+++ /dev/null
@@ -1,296 +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 "util.h"
-#include "debug.h"
-#include "adb.h"
-#include "matrix.h"
-#include "report.h"
-#include "host.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
-
-
-static bool is_modified = false;
-static report_mouse_t mouse_report = {};
-
-// matrix state buffer(1:on, 0:off)
-#if (MATRIX_COLS <= 8)
-static uint8_t matrix[MATRIX_ROWS];
-#else
-static uint16_t matrix[MATRIX_ROWS];
-#endif
-
-#ifdef MATRIX_HAS_GHOST
-static bool matrix_has_ghost_in_row(uint8_t row);
-#endif
-static void register_key(uint8_t key);
-
-
-inline
-uint8_t matrix_rows(void)
-{
- return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
- return MATRIX_COLS;
-}
-
-void matrix_init(void)
-{
- adb_host_init();
- // wait for keyboard to boot up and receive command
- _delay_ms(1000);
- // Enable keyboard left/right modifier distinction
- // Addr:Keyboard(0010), Cmd:Listen(10), Register3(11)
- // upper byte: reserved bits 0000, device address 0010
- // lower byte: device handler 00000011
- adb_host_listen(0x2B,0x02,0x03);
-
- // initialize matrix state: all keys off
- for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
-
- debug_enable = true;
- //debug_matrix = true;
- //debug_keyboard = true;
- //debug_mouse = true;
- print("debug enabled.\n");
- return;
-}
-
-#ifdef ADB_MOUSE_ENABLE
-
-#ifdef MAX
-#undef MAX
-#endif
-#define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
-
-void adb_mouse_task(void)
-{
- uint16_t codes;
- int16_t x, y;
- static int8_t mouseacc;
- _delay_ms(12); // delay for preventing overload of poor ADB keyboard controller
- codes = adb_host_mouse_recv();
- // If nothing received reset mouse acceleration, and quit.
- if (!codes) {
- mouseacc = 1;
- return;
- };
- // Bit sixteen is button.
- if (~codes & (1 << 15))
- mouse_report.buttons |= MOUSE_BTN1;
- if (codes & (1 << 15))
- mouse_report.buttons &= ~MOUSE_BTN1;
- // lower seven bits are movement, as signed int_7.
- // low byte is X-axis, high byte is Y.
- y = (codes>>8 & 0x3F);
- x = (codes>>0 & 0x3F);
- // bit seven and fifteen is negative
- // usb does not use int_8, but int_7 (measuring distance) with sign-bit.
- if (codes & (1 << 6))
- x = (x-0x40);
- if (codes & (1 << 14))
- y = (y-0x40);
- // Accelerate mouse. (They weren't meant to be used on screens larger than 320x200).
- x *= mouseacc;
- y *= mouseacc;
- // Cap our two bytes per axis to one byte.
- // Easier with a MIN-function, but since -MAX(-a,-b) = MIN(a,b)...
- // I.E. MIN(MAX(x,-127),127) = -MAX(-MAX(x, -127), -127) = MIN(-MIN(-x,127),127)
- mouse_report.x = -MAX(-MAX(x, -127), -127);
- mouse_report.y = -MAX(-MAX(y, -127), -127);
- if (debug_mouse) {
- print("adb_host_mouse_recv: "); print_bin16(codes); print("\n");
- print("adb_mouse raw: [");
- phex(mouseacc); print(" ");
- phex(mouse_report.buttons); print("|");
- print_decs(mouse_report.x); print(" ");
- print_decs(mouse_report.y); print("]\n");
- }
- // Send result by usb.
- host_mouse_send(&mouse_report);
- // increase acceleration of mouse
- mouseacc += ( mouseacc < ADB_MOUSE_MAXACC ? 1 : 0 );
- return;
-}
-#endif
-
-uint8_t matrix_scan(void)
-{
- /* extra_key is volatile and more convoluted than necessary because gcc refused
- to generate valid code otherwise. Making extra_key uint8_t and constructing codes
- here via codes = extra_key<<8 | 0xFF; would consistently fail to even LOAD
- extra_key from memory, and leave garbage in the high byte of codes. I tried
- dozens of code variations and it kept generating broken assembly output. So
- beware if attempting to make extra_key code more logical and efficient. */
- static volatile uint16_t extra_key = 0xFFFF;
- uint16_t codes;
- uint8_t key0, key1;
-
- is_modified = false;
-
- codes = extra_key;
- extra_key = 0xFFFF;
-
- if ( codes == 0xFFFF )
- {
- _delay_ms(12); // delay for preventing overload of poor ADB keyboard controller
- codes = adb_host_kbd_recv();
- }
- key0 = codes>>8;
- key1 = codes&0xFF;
-
- if (debug_matrix && codes) {
- print("adb_host_kbd_recv: "); phex16(codes); print("\n");
- }
-
- if (codes == 0) { // no keys
- return 0;
- } else if (codes == 0x7F7F) { // power key press
- register_key(0x7F);
- } else if (codes == 0xFFFF) { // power key release
- register_key(0xFF);
- } else if (key0 == 0xFF) { // error
- xprintf("adb_host_kbd_recv: ERROR(%d)\n", codes);
- return key1;
- } else {
- register_key(key0);
- if (key1 != 0xFF) // key1 is 0xFF when no second key.
- extra_key = key1<<8 | 0xFF; // process in a separate call
- }
-
- return 1;
-}
-
-bool matrix_is_modified(void)
-{
- return is_modified;
-}
-
-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)
-{
- 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)
-{
- if (!debug_matrix) return;
-#if (MATRIX_COLS <= 8)
- print("r/c 01234567\n");
-#else
- print("r/c 0123456789ABCDEF\n");
-#endif
- 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 void register_key(uint8_t key)
-{
- uint8_t col, row;
- col = key&0x07;
- row = (key>>3)&0x0F;
- if (key&0x80) {
- matrix[row] &= ~(1<<col);
- } else {
- matrix[row] |= (1<<col);
- }
- is_modified = true;
-}
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