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usb_usb: Add multiple keyboard support

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it supports four keyboards and two cascaded hubs
This commit is contained in:
tmk 2016-06-21 13:49:06 +09:00
parent 60b88f155e
commit 148c6a5175
7 changed files with 238 additions and 191 deletions
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2
converter/usb_usb/Makefile
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@ -110,7 +110,7 @@ OPT_DEFS += -DBOOTLOADER_SIZE=4096
SRC = \ SRC = \
keymap_common.c \ keymap_common.c \
matrix.c \ usb_usb.cpp \
main.cpp main.cpp
ifdef KEYMAP ifdef KEYMAP

36
converter/usb_usb/main.cpp
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@ -3,17 +3,9 @@
#include <avr/power.h> #include <avr/power.h>
#include <util/delay.h> #include <util/delay.h>
// USB HID host
#include "Usb.h"
#include "usbhub.h"
#include "hid.h"
#include "hidboot.h"
#include "parser.h"
// LUFA // LUFA
#include "lufa.h" #include "lufa.h"
#include "timer.h"
#include "sendchar.h" #include "sendchar.h"
#include "debug.h" #include "debug.h"
#include "keyboard.h" #include "keyboard.h"
@ -64,22 +56,6 @@ static void LUFA_setup(void)
/*
* USB Host Shield HID keyboard
*/
USB usb_host;
USBHub hub1(&usb_host);
HIDBoot<HID_PROTOCOL_KEYBOARD> kbd(&usb_host);
KBDReportParser kbd_parser;
void led_set(uint8_t usb_led)
{
kbd.SetReport(0, 0, 2, 0, 1, &usb_led);
}
int main(void) int main(void)
{ {
// LED for debug // LED for debug
@ -94,10 +70,6 @@ int main(void)
LUFA_setup(); LUFA_setup();
// USB Host Shield setup
usb_host.Init();
kbd.SetReportParser(0, (HIDReportParser*)&kbd_parser);
/* NOTE: Don't insert time consuming job here. /* NOTE: Don't insert time consuming job here.
* It'll cause unclear initialization failure when DFU reset(worm start). * It'll cause unclear initialization failure when DFU reset(worm start).
*/ */
@ -111,17 +83,9 @@ int main(void)
debug("init: done\n"); debug("init: done\n");
uint16_t timer;
for (;;) { for (;;) {
keyboard_task(); keyboard_task();
timer = timer_read();
usb_host.Task();
timer = timer_elapsed(timer);
if (timer > 100) {
debug("host.Task: "); debug_hex16(timer); debug("\n");
}
#if !defined(INTERRUPT_CONTROL_ENDPOINT) #if !defined(INTERRUPT_CONTROL_ENDPOINT)
// LUFA Task for control request // LUFA Task for control request
USB_USBTask(); USB_USBTask();

133
converter/usb_usb/matrix.c
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@ -1,133 +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/>.
*/
#include <stdint.h>
#include <stdbool.h>
#include "usb_hid.h"
#include "keycode.h"
#include "util.h"
#include "print.h"
#include "debug.h"
#include "matrix.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))
uint8_t matrix_rows(void) { return MATRIX_ROWS; }
uint8_t matrix_cols(void) { return MATRIX_COLS; }
void matrix_init(void) {}
bool matrix_has_ghost(void) { return false; }
static bool matrix_is_mod =false;
uint8_t matrix_scan(void) {
static uint16_t last_time_stamp = 0;
if (last_time_stamp != usb_hid_time_stamp) {
last_time_stamp = usb_hid_time_stamp;
matrix_is_mod = true;
} else {
matrix_is_mod = false;
}
return 1;
}
bool matrix_is_modified(void) {
return matrix_is_mod;
}
bool matrix_is_on(uint8_t row, uint8_t col) {
uint8_t code = CODE(row, col);
if (IS_MOD(code)) {
if (usb_hid_keyboard_report.mods & ROW_BITS(code)) {
return true;
}
}
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (usb_hid_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_MOD(CODE(row, 0)) && usb_hid_keyboard_report.mods) {
row_bits |= usb_hid_keyboard_report.mods;
}
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (IS_ANY(usb_hid_keyboard_report.keys[i])) {
if (row == ROW(usb_hid_keyboard_report.keys[i])) {
row_bits |= ROW_BITS(usb_hid_keyboard_report.keys[i]);
}
}
}
return row_bits;
}
uint8_t matrix_key_count(void) {
uint8_t count = 0;
count += bitpop(usb_hid_keyboard_report.mods);
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (IS_ANY(usb_hid_keyboard_report.keys[i])) {
count++;
}
}
return count;
}
void matrix_print(void) {
print("\nr/c 01234567\n");
for (uint8_t row = 0; row < matrix_rows(); row++) {
phex(row); print(": ");
pbin_reverse(matrix_get_row(row));
#ifdef MATRIX_HAS_GHOST
if (matrix_has_ghost_in_row(row)) {
print(" <ghost");
}
#endif
print("\n");
}
}

221
converter/usb_usb/usb_usb.cpp Normal file
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@ -0,0 +1,221 @@
/*
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"
/* 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 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;
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);
}
static void or_report(report_keyboard_t report) {
// integrate reports into keyboard_report
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 (! keyboard_report.keys[j]) {
keyboard_report.keys[j] = report.keys[i];
break;
}
}
}
}
}
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
keyboard_report = {};
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", keyboard_report.mods, keyboard_report.reserved);
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
dprintf(" %02X", keyboard_report.keys[i]);
}
dprint("\r\n");
} else {
matrix_is_mod = false;
}
uint16_t timer;
timer = timer_read();
usb_host.Task();
timer = timer_elapsed(timer);
if (timer > 100) {
dprintf("host.Task: %d\n", timer);
}
return 1;
}
bool matrix_is_modified(void) {
return matrix_is_mod;
}
bool matrix_is_on(uint8_t row, uint8_t col) {
uint8_t code = CODE(row, col);
if (IS_MOD(code)) {
if (keyboard_report.mods & ROW_BITS(code)) {
return true;
}
}
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (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_MOD(CODE(row, 0)) && keyboard_report.mods) {
row_bits |= keyboard_report.mods;
}
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (IS_ANY(keyboard_report.keys[i])) {
if (row == ROW(keyboard_report.keys[i])) {
row_bits |= ROW_BITS(keyboard_report.keys[i]);
}
}
}
return row_bits;
}
uint8_t matrix_key_count(void) {
uint8_t count = 0;
count += bitpop(keyboard_report.mods);
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (IS_ANY(keyboard_report.keys[i])) {
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");
}
}
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);
}

8
tmk_core/common/util.h
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@ -28,6 +28,10 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define XSTR(s) #s #define XSTR(s) #s
#ifdef __cplusplus
extern "C" {
#endif
uint8_t bitpop(uint8_t bits); uint8_t bitpop(uint8_t bits);
uint8_t bitpop16(uint16_t bits); uint8_t bitpop16(uint16_t bits);
uint8_t bitpop32(uint32_t bits); uint8_t bitpop32(uint32_t bits);
@ -40,4 +44,8 @@ uint8_t bitrev(uint8_t bits);
uint16_t bitrev16(uint16_t bits); uint16_t bitrev16(uint16_t bits);
uint32_t bitrev32(uint32_t bits); uint32_t bitrev32(uint32_t bits);
#ifdef __cplusplus
}
#endif
#endif #endif

24
tmk_core/protocol/usb_hid/parser.cpp
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@ -4,30 +4,14 @@
#include "debug.h" #include "debug.h"
report_keyboard_t usb_hid_keyboard_report;
uint16_t usb_hid_time_stamp;
void KBDReportParser::Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf) void KBDReportParser::Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf)
{ {
bool is_error = false; ::memcpy(&report, buf, sizeof(report_keyboard_t));
report_keyboard_t *report = (report_keyboard_t *)buf; time_stamp = millis();
dprintf("keyboard input: %02X %02X", report->mods, report->reserved); dprintf("input %d: %02X %02X", hid->GetAddress(), report.mods, report.reserved);
for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) { for (uint8_t i = 0; i < KEYBOARD_REPORT_KEYS; i++) {
if (IS_ERROR(report->keys[i])) { dprintf(" %02X", report.keys[i]);
is_error = true;
}
dprintf(" %02X", report->keys[i]);
} }
dprint("\r\n"); dprint("\r\n");
// ignore error and not send report to computer
if (is_error) {
dprint("Error usage! \r\n");
return;
}
::memcpy(&usb_hid_keyboard_report, buf, sizeof(report_keyboard_t));
usb_hid_time_stamp = millis();
} }

5
tmk_core/protocol/usb_hid/parser.h
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@ -2,11 +2,14 @@
#define PARSER_H #define PARSER_H
#include "hid.h" #include "hid.h"
#include "report.h"
class KBDReportParser : public HIDReportParser class KBDReportParser : public HIDReportParser
{ {
public: public:
virtual void Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf); report_keyboard_t report;
uint16_t time_stamp;
virtual void Parse(HID *hid, bool is_rpt_id, uint8_t len, uint8_t *buf);
}; };
#endif #endif