/* Copyright 2016 Jun Wako 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 . */ #include #include // USB HID host #include "Usb.h" #include "usbhub.h" #include "hid.h" #include "hidboot.h" #include "parser.h" #include "keycode.h" #include "util.h" #include "print.h" #include "debug.h" #include "timer.h" #include "matrix.h" #include "led.h" #include "host.h" #include "keyboard.h" /* KEY CODE to Matrix * * HID keycode(1 byte): * Higher 5 bits indicates ROW and lower 3 bits COL. * * 7 6 5 4 3 2 1 0 * +---------------+ * | ROW | COL | * +---------------+ * * Matrix space(16 * 16): * r\c0123456789ABCDEF * 0 +----------------+ * : | | * : | | * 16 +----------------+ */ #define ROW_MASK 0xF0 #define COL_MASK 0x0F #define CODE(row, col) (((row) << 4) | (col)) #define ROW(code) (((code) & ROW_MASK) >> 4) #define COL(code) ((code) & COL_MASK) #define ROW_BITS(code) (1 << COL(code)) // Integrated key state of all keyboards static report_keyboard_t local_keyboard_report; /* * USB Host Shield HID keyboards * This supports two cascaded hubs and four keyboards */ USB usb_host; USBHub hub1(&usb_host); USBHub hub2(&usb_host); HIDBoot kbd1(&usb_host); HIDBoot kbd2(&usb_host); HIDBoot kbd3(&usb_host); HIDBoot kbd4(&usb_host); KBDReportParser kbd_parser1; KBDReportParser kbd_parser2; KBDReportParser kbd_parser3; KBDReportParser kbd_parser4; extern "C" { uint8_t matrix_rows(void) { return MATRIX_ROWS; } uint8_t matrix_cols(void) { return MATRIX_COLS; } bool matrix_has_ghost(void) { return false; } void matrix_init(void) { // USB Host Shield setup usb_host.Init(); kbd1.SetReportParser(0, (HIDReportParser*)&kbd_parser1); kbd2.SetReportParser(0, (HIDReportParser*)&kbd_parser2); kbd3.SetReportParser(0, (HIDReportParser*)&kbd_parser3); kbd4.SetReportParser(0, (HIDReportParser*)&kbd_parser4); matrix_init_kb(); } static void or_report(report_keyboard_t report) { // integrate reports into local_keyboard_report local_keyboard_report.mods |= report.mods; for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) { if (IS_ANY(report.keys[i])) { for (uint8_t j = 0; j < KEYBOARD_REPORT_KEYS; j++) { if (! local_keyboard_report.keys[j]) { local_keyboard_report.keys[j] = report.keys[i]; break; } } } } } __attribute__ ((weak)) void matrix_init_kb(void) { matrix_init_user(); } __attribute__ ((weak)) void matrix_init_user(void) { } __attribute__ ((weak)) void matrix_scan_kb(void) { matrix_scan_user(); } __attribute__ ((weak)) void matrix_scan_user(void) { } uint8_t matrix_scan(void) { bool changed = false; static uint16_t last_time_stamp1 = 0; static uint16_t last_time_stamp2 = 0; static uint16_t last_time_stamp3 = 0; static uint16_t last_time_stamp4 = 0; // check report came from keyboards if (kbd_parser1.time_stamp != last_time_stamp1 || kbd_parser2.time_stamp != last_time_stamp2 || kbd_parser3.time_stamp != last_time_stamp3 || kbd_parser4.time_stamp != last_time_stamp4) { last_time_stamp1 = kbd_parser1.time_stamp; last_time_stamp2 = kbd_parser2.time_stamp; last_time_stamp3 = kbd_parser3.time_stamp; last_time_stamp4 = kbd_parser4.time_stamp; // clear and integrate all reports local_keyboard_report = {}; or_report(kbd_parser1.report); or_report(kbd_parser2.report); or_report(kbd_parser3.report); or_report(kbd_parser4.report); changed = true; dprintf("state: %02X %02X", local_keyboard_report.mods, local_keyboard_report.reserved); for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) { dprintf(" %02X", local_keyboard_report.keys[i]); } dprint("\r\n"); } uint16_t timer; timer = timer_read(); usb_host.Task(); timer = timer_elapsed(timer); if (timer > 100) { dprintf("host.Task: %d\n", timer); } static uint8_t usb_state = 0; if (usb_state != usb_host.getUsbTaskState()) { usb_state = usb_host.getUsbTaskState(); dprintf("usb_state: %02X\n", usb_state); // restore LED state when keyboard comes up if (usb_state == USB_STATE_RUNNING) { dprintf("speed: %s\n", usb_host.getVbusState()==FSHOST ? "full" : "low"); led_set(host_keyboard_leds()); } } matrix_scan_kb(); return changed; } bool matrix_is_on(uint8_t row, uint8_t col) { uint8_t code = CODE(row, col); if (IS_MODIFIER_KEYCODE(code)) { if (local_keyboard_report.mods & ROW_BITS(code)) { return true; } } for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) { if (local_keyboard_report.keys[i] == code) { return true; } } return false; } matrix_row_t matrix_get_row(uint8_t row) { uint16_t row_bits = 0; if (IS_MODIFIER_KEYCODE(CODE(row, 0)) && local_keyboard_report.mods) { row_bits |= local_keyboard_report.mods; } for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) { if (IS_ANY(local_keyboard_report.keys[i])) { if (row == ROW(local_keyboard_report.keys[i])) { row_bits |= ROW_BITS(local_keyboard_report.keys[i]); } } } return row_bits; } void matrix_print(void) { print("\nr/c 0123456789ABCDEF\n"); for (uint8_t row = 0; row < matrix_rows(); row++) { xprintf("%02d: ", row); print_bin_reverse16(matrix_get_row(row)); print("\n"); } } void led_set(uint8_t usb_led) { if (kbd1.isReady()) kbd1.SetReport(0, 0, 2, 0, 1, &usb_led); if (kbd2.isReady()) kbd2.SetReport(0, 0, 2, 0, 1, &usb_led); if (kbd3.isReady()) kbd3.SetReport(0, 0, 2, 0, 1, &usb_led); if (kbd4.isReady()) kbd4.SetReport(0, 0, 2, 0, 1, &usb_led); led_update_kb((led_t){.raw = usb_led}); } }