/* 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/>. Ported to QMK by Peter Roe <pete@13bit.me> */ #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" #include "led.h" #include "timer.h" #ifndef ADB_MOUSE_MAXACC # define ADB_MOUSE_MAXACC 8 #endif static bool is_iso_layout = false; // matrix state buffer(1:on, 0:off) static matrix_row_t matrix[MATRIX_ROWS]; static void register_key(uint8_t key); __attribute__ ((weak)) void matrix_init_kb(void) { matrix_init_user(); } __attribute__ ((weak)) void matrix_scan_kb(void) { matrix_scan_user(); } __attribute__ ((weak)) void matrix_init_user(void) { } __attribute__ ((weak)) void matrix_scan_user(void) { } void matrix_init(void) { adb_host_init(); // wait for keyboard to boot up and receive command _delay_ms(2000); // 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"); matrix_init_quantum(); } #ifdef ADB_MOUSE_ENABLE #ifdef MAX #undef MAX #endif #define MAX(X, Y) ((X) > (Y) ? (X) : (Y)) static report_mouse_t mouse_report = {}; void housekeeping_task_kb(void) { adb_mouse_task(); } void adb_mouse_task(void) { uint16_t codes; int16_t x, y; static int8_t mouseacc; /* tick of last polling */ static uint16_t tick_ms; // polling with 12ms interval if (timer_elapsed(tick_ms) < 12) return; tick_ms = timer_read(); 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: ["); print_hex8(mouseacc); print(" "); print_hex8(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; /* tick of last polling */ static uint16_t tick_ms; codes = extra_key; extra_key = 0xFFFF; if ( codes == 0xFFFF ) { // polling with 12ms interval if (timer_elapsed(tick_ms) < 12) return 0; tick_ms = timer_read(); codes = adb_host_kbd_recv(); } key0 = codes>>8; key1 = codes&0xFF; if (debug_matrix && codes) { print("adb_host_kbd_recv: "); print_hex16(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); // something wrong or plug-in matrix_init(); return key1; } else { /* Swap codes for ISO keyboard * https://github.com/tmk/tmk_keyboard/issues/35 * * ANSI * ,----------- ----------. * | *a| 1| 2 =|Backspa| * |----------- ----------| * |Tab | Q| | ]| *c| * |----------- ----------| * |CapsLo| A| '|Return | * |----------- ----------| * |Shift | Shift | * `----------- ----------' * * ISO * ,----------- ----------. * | *a| 1| 2 =|Backspa| * |----------- ----------| * |Tab | Q| | ]|Retur| * |----------- -----` | * |CapsLo| A| '| *c| | * |----------- ----------| * |Shif| *b| Shift | * `----------- ----------' * * ADB scan code USB usage * ------------- --------- * Key ANSI ISO ANSI ISO * --------------------------------------------- * *a 0x32 0x0A 0x35 0x35 * *b ---- 0x32 ---- 0x64 * *c 0x2A 0x2A 0x31 0x31(or 0x32) */ if (is_iso_layout) { if ((key0 & 0x7F) == 0x32) { key0 = (key0 & 0x80) | 0x0A; } else if ((key0 & 0x7F) == 0x0A) { key0 = (key0 & 0x80) | 0x32; } } register_key(key0); if (key1 != 0xFF) // key1 is 0xFF when no second key. extra_key = key1<<8 | 0xFF; // process in a separate call } matrix_scan_quantum(); return 1; } void matrix_print(void){ } inline matrix_row_t matrix_get_row(uint8_t row) { return matrix[row]; } 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); } }