qmk_firmware/keyboards/converter/usb_usb/custom_matrix.cpp

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/*
Copyright 2016 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/>.
*/
#include <stdint.h>
#include <stdbool.h>
// 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"
extern "C" {
#include "quantum.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;
static bool matrix_is_mod = false;
/*
* 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<HID_PROTOCOL_KEYBOARD> kbd1(&usb_host);
HIDBoot<HID_PROTOCOL_KEYBOARD> kbd2(&usb_host);
HIDBoot<HID_PROTOCOL_KEYBOARD> kbd3(&usb_host);
HIDBoot<HID_PROTOCOL_KEYBOARD> kbd4(&usb_host);
KBDReportParser kbd_parser1;
KBDReportParser kbd_parser2;
KBDReportParser kbd_parser3;
KBDReportParser kbd_parser4;
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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_quantum();
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}
static void or_report(report_keyboard_t report) {
// integrate reports into local_keyboard_report
local_keyboard_report.mods |= report.mods;
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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];
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break;
}
}
}
}
}
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__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) {
}
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uint8_t matrix_scan(void) {
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 = {};
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or_report(kbd_parser1.report);
or_report(kbd_parser2.report);
or_report(kbd_parser3.report);
or_report(kbd_parser4.report);
matrix_is_mod = true;
dprintf("state: %02X %02X", local_keyboard_report.mods, local_keyboard_report.reserved);
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for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
dprintf(" %02X", local_keyboard_report.keys[i]);
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}
dprint("\r\n");
} else {
matrix_is_mod = false;
}
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uint16_t timer;
timer = timer_read();
usb_host.Task();
timer = timer_elapsed(timer);
if (timer > 100) {
dprintf("host.Task: %d\n", timer);
}
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static uint8_t usb_state = 0;
if (usb_state != usb_host.getUsbTaskState()) {
usb_state = usb_host.getUsbTaskState();
dprintf("usb_state: %02X\n", usb_state);
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// restore LED state when keyboard comes up
if (usb_state == USB_STATE_RUNNING) {
dprintf("speed: %s\n", usb_host.getVbusState()==FSHOST ? "full" : "low");
keyboard_set_leds(host_keyboard_leds());
}
}
matrix_scan_quantum();
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return 1;
}
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bool matrix_is_modified(void) {
return matrix_is_mod;
}
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bool matrix_is_on(uint8_t row, uint8_t col) {
uint8_t code = CODE(row, col);
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if (IS_MOD(code)) {
if (local_keyboard_report.mods & ROW_BITS(code)) {
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return true;
}
}
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for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (local_keyboard_report.keys[i] == code) {
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return true;
}
}
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return false;
}
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matrix_row_t matrix_get_row(uint8_t row) {
uint16_t row_bits = 0;
if (IS_MOD(CODE(row, 0)) && local_keyboard_report.mods) {
row_bits |= local_keyboard_report.mods;
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}
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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]);
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}
}
}
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return row_bits;
}
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uint8_t matrix_key_count(void) {
uint8_t count = 0;
count += bitpop(local_keyboard_report.mods);
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for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (IS_ANY(local_keyboard_report.keys[i])) {
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count++;
}
}
return count;
}
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");
}
}
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void led_set(uint8_t usb_led)
{
kbd1.SetReport(0, 0, 2, 0, 1, &usb_led);
kbd2.SetReport(0, 0, 2, 0, 1, &usb_led);
kbd3.SetReport(0, 0, 2, 0, 1, &usb_led);
kbd4.SetReport(0, 0, 2, 0, 1, &usb_led);
led_set_kb(usb_led);
}
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};