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261 lines
7.2 KiB
261 lines
7.2 KiB
/*
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Copyright 2011 Jun Wako <wakojun@gmail.com>
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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 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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Ported to QMK by Peter Roe <pete@13bit.me>
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include <avr/io.h>
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#include <util/delay.h>
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#include "print.h"
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#include "util.h"
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#include "debug.h"
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#include "adb.h"
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#include "matrix.h"
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#include "report.h"
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#include "host.h"
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#include "led.h"
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#include "timer.h"
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static bool is_iso_layout = false;
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// matrix state buffer(1:on, 0:off)
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static matrix_row_t matrix[MATRIX_ROWS];
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static void register_key(uint8_t key);
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__attribute__ ((weak))
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void matrix_init_kb(void) {
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matrix_init_user();
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}
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__attribute__ ((weak))
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void matrix_scan_kb(void) {
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matrix_scan_user();
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}
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__attribute__ ((weak))
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void matrix_init_user(void) {
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}
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__attribute__ ((weak))
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void matrix_scan_user(void) {
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}
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void matrix_init(void)
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{
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adb_host_init();
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// wait for keyboard to boot up and receive command
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_delay_ms(2000);
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// initialize matrix state: all keys off
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for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
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// debug_enable = true;
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// debug_matrix = true;
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// debug_keyboard = true;
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// debug_mouse = true;
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// print("debug enabled.\n");
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matrix_init_quantum();
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}
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#ifdef ADB_MOUSE_ENABLE
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#ifdef MAX
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#undef MAX
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#endif
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#define MAX(X, Y) ((X) > (Y) ? (X) : (Y))
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static report_mouse_t mouse_report = {};
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void adb_mouse_task(void)
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{
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uint16_t codes;
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int16_t x, y;
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static int8_t mouseacc;
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/* tick of last polling */
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static uint16_t tick_ms;
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// polling with 12ms interval
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if (timer_elapsed(tick_ms) < 12) return;
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tick_ms = timer_read();
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codes = adb_host_mouse_recv();
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// If nothing received reset mouse acceleration, and quit.
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if (!codes) {
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mouseacc = 1;
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return;
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};
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// Bit sixteen is button.
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if (~codes & (1 << 15))
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mouse_report.buttons |= MOUSE_BTN1;
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if (codes & (1 << 15))
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mouse_report.buttons &= ~MOUSE_BTN1;
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// lower seven bits are movement, as signed int_7.
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// low byte is X-axis, high byte is Y.
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y = (codes>>8 & 0x3F);
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x = (codes>>0 & 0x3F);
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// bit seven and fifteen is negative
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// usb does not use int_8, but int_7 (measuring distance) with sign-bit.
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if (codes & (1 << 6))
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x = (x-0x40);
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if (codes & (1 << 14))
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y = (y-0x40);
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// Accelerate mouse. (They weren't meant to be used on screens larger than 320x200).
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x *= mouseacc;
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y *= mouseacc;
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// Cap our two bytes per axis to one byte.
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// Easier with a MIN-function, but since -MAX(-a,-b) = MIN(a,b)...
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// I.E. MIN(MAX(x,-127),127) = -MAX(-MAX(x, -127), -127) = MIN(-MIN(-x,127),127)
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mouse_report.x = -MAX(-MAX(x, -127), -127);
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mouse_report.y = -MAX(-MAX(y, -127), -127);
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if (debug_mouse) {
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print("adb_host_mouse_recv: "); print_bin16(codes); print("\n");
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print("adb_mouse raw: [");
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print_hex8(mouseacc); print(" ");
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print_hex8(mouse_report.buttons); print("|");
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print_decs(mouse_report.x); print(" ");
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print_decs(mouse_report.y); print("]\n");
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}
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// Send result by usb.
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host_mouse_send(&mouse_report);
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// increase acceleration of mouse
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mouseacc += ( mouseacc < ADB_MOUSE_MAXACC ? 1 : 0 );
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return;
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}
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#endif
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uint8_t matrix_scan(void)
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{
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/* extra_key is volatile and more convoluted than necessary because gcc refused
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to generate valid code otherwise. Making extra_key uint8_t and constructing codes
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here via codes = extra_key<<8 | 0xFF; would consistently fail to even LOAD
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extra_key from memory, and leave garbage in the high byte of codes. I tried
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dozens of code variations and it kept generating broken assembly output. So
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beware if attempting to make extra_key code more logical and efficient. */
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static volatile uint16_t extra_key = 0xFFFF;
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uint16_t codes;
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uint8_t key0, key1;
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/* tick of last polling */
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static uint16_t tick_ms;
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codes = extra_key;
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extra_key = 0xFFFF;
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if ( codes == 0xFFFF )
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{
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// polling with 12ms interval
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if (timer_elapsed(tick_ms) < 12) return 0;
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tick_ms = timer_read();
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codes = adb_host_kbd_recv();
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}
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key0 = codes>>8;
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key1 = codes&0xFF;
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if (debug_matrix && codes) {
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print("adb_host_kbd_recv: "); print_hex16(codes); print("\n");
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}
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if (codes == 0) { // no keys
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return 0;
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} else if (codes == 0x7F7F) { // power key press
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register_key(0x7F);
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} else if (codes == 0xFFFF) { // power key release
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register_key(0xFF);
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} else if (key0 == 0xFF) { // error
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xprintf("adb_host_kbd_recv: ERROR(%d)\n", codes);
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// something wrong or plug-in
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matrix_init();
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return key1;
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} else {
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/* Swap codes for ISO keyboard
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* https://github.com/tmk/tmk_keyboard/issues/35
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*
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* ANSI
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* ,----------- ----------.
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* | *a| 1| 2 =|Backspa|
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* |----------- ----------|
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* |Tab | Q| | ]| *c|
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* |----------- ----------|
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* |CapsLo| A| '|Return |
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* |----------- ----------|
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* |Shift | Shift |
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* `----------- ----------'
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*
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* ISO
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* ,----------- ----------.
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* | *a| 1| 2 =|Backspa|
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* |----------- ----------|
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* |Tab | Q| | ]|Retur|
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* |----------- -----` |
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* |CapsLo| A| '| *c| |
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* |----------- ----------|
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* |Shif| *b| Shift |
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* `----------- ----------'
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*
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* ADB scan code USB usage
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* ------------- ---------
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* Key ANSI ISO ANSI ISO
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* ---------------------------------------------
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* *a 0x32 0x0A 0x35 0x35
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* *b ---- 0x32 ---- 0x64
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* *c 0x2A 0x2A 0x31 0x31(or 0x32)
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*/
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if (is_iso_layout) {
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if ((key0 & 0x7F) == 0x32) {
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key0 = (key0 & 0x80) | 0x0A;
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} else if ((key0 & 0x7F) == 0x0A) {
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key0 = (key0 & 0x80) | 0x32;
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}
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}
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register_key(key0);
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if (key1 != 0xFF) // key1 is 0xFF when no second key.
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extra_key = key1<<8 | 0xFF; // process in a separate call
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}
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matrix_scan_quantum();
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return 1;
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}
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void matrix_print(void){
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}
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inline
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matrix_row_t matrix_get_row(uint8_t row)
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{
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return matrix[row];
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}
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inline
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static void register_key(uint8_t key)
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{
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uint8_t col, row;
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col = key&0x07;
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row = (key>>3)&0x0F;
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if (key&0x80) {
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matrix[row] &= ~(1<<col);
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} else {
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matrix[row] |= (1<<col);
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}
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}
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