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matrix.c
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matrix.c
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/*
Copyright 2011 Jun Wako <[email protected]>
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/>.
*/
/*
* scan matrix
*/
#include <stdint.h>
#include <stdbool.h>
#include <avr/io.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"
#include "wait.h"
// matrix state buffer(1:on, 0:off)
static matrix_row_t matrix[MATRIX_ROWS];
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);
}
}
// ADB device table
static struct adb_device {
uint8_t addr_default;
uint8_t handler_default;
uint8_t handler;
} device_table[16] = {0};
static void print_device_table(void)
{
xprintf("\nTable:\n");
xprintf("A:H a:h\n");
xprintf("---------\n");
for (uint8_t addr = 0; addr < 16; addr++) {
if (device_table[addr].addr_default == 0) continue;
xprintf("%X:%02X %X:%02X\n", addr,
device_table[addr].handler,
device_table[addr].addr_default,
device_table[addr].handler_default);
}
xprintf("\n");
}
static void device_scan(void)
{
xprintf("\nScan:\n");
for (uint8_t addr = 1; addr < 16; addr++) {
uint16_t reg3 = adb_host_talk(addr, ADB_REG_3);
if (reg3) {
xprintf("$%X R3:%04X\n", addr, reg3);
}
}
xprintf("\n");
}
////////////////////////////////////////////////////////////////////////////////
// Keyboard handler
////////////////////////////////////////////////////////////////////////////////
enum {
ADB_LAYOUT_ANSI,
ADB_LAYOUT_ISO,
ADB_LAYOUT_JIS
};
static uint8_t keyboard_layout(uint8_t handler)
{
// https://elixir.bootlin.com/linux/v5.17.4/source/drivers/macintosh/adbhid.c#L802
switch (handler) {
case 0x01: case 0x02: case 0x03: case 0x06: case 0x08:
case 0x0C: case 0x10: case 0x18: case 0x1B: case 0x1C:
case 0xC0: case 0xC3: case 0xC6:
return ADB_LAYOUT_ANSI;
case 0x04: case 0x05: case 0x07: case 0x09: case 0x0D:
case 0x11: case 0x14: case 0x19: case 0x1D: case 0xC1:
case 0xC4: case 0xC7:
return ADB_LAYOUT_ISO;
case 0x12: case 0x15: case 0x16: case 0x17: case 0x1A:
case 0x1E: case 0xC2: case 0xC5: case 0xC8: case 0xC9:
return ADB_LAYOUT_JIS;
default:
return ADB_LAYOUT_ANSI;
}
}
static void keyboard_setup(uint8_t addr)
{
uint16_t reg3;
// Check if there is keyboard at default address
reg3 = adb_host_talk(addr, ADB_REG_3);
if (!reg3) {
xprintf("K:$%X:Not found\n", addr);
return;
}
xprintf("K:$%X:Setup. R3:%04X\n", addr, reg3);
uint8_t adb_layout = keyboard_layout(reg3 & 0xFF);
xprintf("K:$%X:Layout: %s\n", addr, (adb_layout == ADB_LAYOUT_ANSI ? "ANSI" : (
adb_layout == ADB_LAYOUT_ISO ? "ISO" : (
adb_layout == ADB_LAYOUT_JIS ? "JIS" : "???"))));
// Enable Extended protocol
adb_host_listen(addr, ADB_REG_3, (reg3 >> 8), ADB_HANDLER_EXTENDED_KEYBOARD);
reg3 = adb_host_talk(addr, ADB_REG_3);
device_table[addr].handler = reg3 & 0xFF;
// Keyboard indicator
adb_host_kbd_led(addr, ~(host_keyboard_leds()));
}
static uint8_t keyboard_proc(uint8_t addr)
{
/* 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;
codes = extra_key;
extra_key = 0xFFFF;
if ( codes == 0xFFFF ) {
codes = adb_host_kbd_recv(addr);
if (codes) xprintf("K:$%X:%02X:%04X ", addr, device_table[addr].handler_default, codes);
}
key0 = codes>>8;
key1 = codes&0xFF;
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);
// for debug
device_scan();
print_device_table();
} else {
// Macally keyboard sends keys inversely against ADB protocol
// https://deskthority.net/workshop-f7/macally-mk96-t20116.html
if (key0 == 0xFF) {
key0 = key1;
key1 = 0xFF;
}
/* Keyboard code translation
* 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 |
* |----------- ----------|
*
* JIS
* ,----------- ----------.
* | *a| 1| 2 =| *d| BS|
* |----------- ----------|
* |Tab | Q| | [|Retur|
* |----------- -----` |
* |CapsLo| A| :| *c| |
* |----------- ----------|
* |Shift | | *e| Shift|
* |----------- ----------|
*
* ADB scan code USB usage
* ------------- ---------
* Key ANSI ISO JIS ANSI ISO JIS
* ---------------------------------------------------
* *a 0x32 0x0A 0x32 GRAVE GRAVE GRAVE
* *b ---- 0x32 ---- ---- NUBS ----
* *c 0x2A 0x70 0x2A BSLASH NUHS NUHS
* *d ---- ---- 0x5D ---- ---- JPY
* *e ---- ---- 0x5E ---- ---- RO
*/
uint8_t adb_layout = keyboard_layout(device_table[addr].handler_default);
if (adb_layout == ADB_LAYOUT_ISO) {
// 32 <-> 0A
if ((key0 & 0x7F) == 0x32) {
key0 = (key0 & 0x80) | 0x0A;
} else if ((key0 & 0x7F) == 0x0A) {
key0 = (key0 & 0x80) | 0x32;
}
// 2A -> 70
if ((key0 & 0x7F) == 0x2A) {
key0 = (key0 & 0x80) | 0x70;
}
}
if (adb_layout == ADB_LAYOUT_JIS) {
// 2A -> 70
if ((key0 & 0x7F) == 0x2A) {
key0 = (key0 & 0x80) | 0x70;
}
}
register_key(key0);
if (key1 != 0xFF) // key1 is 0xFF when no second key.
extra_key = key1<<8 | 0xFF; // process in a separate call
}
return 1;
}
////////////////////////////////////////////////////////////////////////////////
// Mouse handler
////////////////////////////////////////////////////////////////////////////////
#ifdef ADB_MOUSE_ENABLE
static void mouse_setup(uint8_t addr)
{
uint16_t mouse_cpi = 100;
uint8_t mouse_handler;
uint16_t reg3;
// Check if there is mouse device to setup
reg3 = adb_host_talk(addr, ADB_REG_3);
if (!reg3) {
xprintf("M:$%X:Not found\n", addr);
return;
}
xprintf("M:$%X:Setup. R3:%04X\n", addr, reg3);
mouse_handler = reg3 & 0xFF;
if (mouse_handler == ADB_HANDLER_MICROSPEED_MACTRAC ||
mouse_handler == ADB_HANDLER_MICROSPEED_UNKNOWN ||
mouse_handler == ADB_HANDLER_CONTOUR_MOUSE ||
mouse_handler == ADB_HANDLER_CHPRODUCTS_PRO) {
// https://github.com/NetBSD/src/blob/netbsd-9/sys/arch/macppc/dev/ams.c#L226-L255
// https://github.com/torvalds/linux/blob/v5.17/drivers/macintosh/adbhid.c#L1007-L1018
// https://github.com/torvalds/linux/blob/v5.17/drivers/macintosh/adbhid.c#L1204-L1239
uint8_t cmd[] = { 0x00, // alt speed max
0x00, // speed max
0x10, // ext protocol enabled
0x07 }; // buttons without locking
adb_host_listen_buf(addr, ADB_REG_1, cmd, sizeof(cmd));
}
// Try to escalate into extended/classic2 protocol
if (mouse_handler == ADB_HANDLER_CLASSIC1_MOUSE || mouse_handler == ADB_HANDLER_CLASSIC2_MOUSE) {
adb_host_listen(addr, ADB_REG_3, (reg3 >> 8), ADB_HANDLER_EXTENDED_MOUSE);
mouse_handler = (reg3 = adb_host_talk(addr, ADB_REG_3)) & 0xFF;
if (mouse_handler != ADB_HANDLER_EXTENDED_MOUSE) {
adb_host_listen(addr, ADB_REG_3, (reg3 >> 8), ADB_HANDLER_MOUSESYSTEMS_A3);
mouse_handler = (reg3 = adb_host_talk(addr, ADB_REG_3)) & 0xFF;
if (mouse_handler == ADB_HANDLER_MOUSESYSTEMS_A3) {
adb_host_listen(addr, ADB_REG_2, 0x00, 0x07);
}
}
if (mouse_handler == ADB_HANDLER_CLASSIC1_MOUSE) {
adb_host_listen(addr, ADB_REG_3, (reg3 >> 8), ADB_HANDLER_CLASSIC2_MOUSE);
mouse_handler = (reg3 = adb_host_talk(addr, ADB_REG_3)) & 0xFF;
}
}
// Classic Protocol 100cpi
if (mouse_handler == ADB_HANDLER_CLASSIC1_MOUSE) {
xprintf("M:$%X:Classic1 100cpi\n", addr);
mouse_cpi = 100;
}
// Classic Protocol 200cpi
if (mouse_handler == ADB_HANDLER_CLASSIC2_MOUSE) {
xprintf("M:$%X:Classic2 200cpi\n", addr);
mouse_cpi = 200;
}
// Extended Mouse Protocol
if (mouse_handler == ADB_HANDLER_EXTENDED_MOUSE) {
// Device info format(reg1 8-byte data)
// 0-3: device id
// 4-5: resolution in units/inch (0xC8=200upi)
// 6 : device class (0: Tablet, 1: Mouse, 2: Trackball)
// 7 : num of buttons
uint8_t len;
uint8_t buf[8];
len = adb_host_talk_buf(addr, ADB_REG_1, buf, sizeof(buf));
if (len > 5) {
mouse_cpi = (buf[4]<<8) | buf[5];
} else {
mouse_cpi = 100;
}
if (len) {
xprintf("M:$%X:EXT: [%02X %02X %02X %02X %02X %02X %02X %02X] cpi=%d btn=%d len=%d\n",
addr, buf[0], buf[1], buf[2], buf[3], buf[4], buf[5], buf[6], buf[7], mouse_cpi, buf[7], len);
}
if (buf[0] == 0x4B && buf[1] == 0x4D && buf[2] == 0x4C && buf[3] == 0x31) {
xprintf("M:$%X:Kensington Ext\n", addr);
// Kensington Turbo Mouse 5/Thinking Mouse: Extended device
// Another device, whose handler ID is $32, becomes available in address 3
// when this device is moved from address 3.
// This device will disappear automatically once another device is setup.
} else if (buf[0] == 0x4B && buf[1] == 0x4F && buf[2] == 0x49 && buf[3] == 0x54) {
// Macally 2-button Mouse
// https://elixir.bootlin.com/linux/v5.17/source/drivers/macintosh/adbhid.c#L1068
adb_host_flush(addr);
adb_host_listen(addr, ADB_REG_3, (reg3 >> 8), ADB_HANDLER_MACALLY2_MOUSE);
mouse_handler = (reg3 = adb_host_talk(addr, ADB_REG_3)) & 0xFF;
xprintf("M:$%X:Macally-2btn\n", addr);
} else if (buf[0] == 0x9A && (buf[1] == 0x20 || buf[1] == 0x21)) {
// Logitech MouseMan/TrackMan proprietary
// buf[1] = 0x20:MouseMan, 0x21:TrackMan
xprintf("M:$%X:Logitech\n", addr);
// https://elixir.bootlin.com/linux/v5.17/source/drivers/macintosh/adbhid.c#L1047
adb_host_listen(addr, ADB_REG_1, 0x00, 0x81);
adb_host_listen(addr, ADB_REG_1, 0x01, 0x81);
adb_host_listen(addr, ADB_REG_1, 0x02, 0x81);
adb_host_listen(addr, ADB_REG_1, 0x03, 0x38);
// set pseudo handler
mouse_handler = ADB_HANDLER_LOGITECH;
} else if (buf[0] == 0x4C && buf[1] == 0x54) {
// Logitech MouaseMan/TrackMan Extended
// MouseMan - FCCID:DZLMAH32 'LT01'
// MouseMan Cordless - FCCID:DZLMRC33T 'LTW1'
xprintf("M:$%X:Logitech-Extended\n", addr);
// set pseudo handler
mouse_handler = ADB_HANDLER_LOGITECH_EXT;
} else {
xprintf("M:$%X:Extended\n", addr);
}
}
// Kensington Turbo Mouse 5: setup
if (mouse_handler == ADB_HANDLER_TURBO_MOUSE) {
xprintf("M:$%X:Kensington\n", addr);
/* byte0: 0xb5 speed - 0xa0, 0xa5, 0xb0 and 0xb5 seem to work
* uppper nibble:
* 0x00-70, 0xc0-f0 no movement and button event
* 0x80 enables mouse output speed slow
* 0x90 enables mouse output
* 0xa0 enables mouse output
* 0xb0 enables mouse output speed fast -126 to 126
* lower nibble:
* 0x08 makes cursor not smooth, bit3 should be 0
* 0x02 disables button4, bit1 should be 0
* how other bits work is not clear.
* byte1: 0x14 button mapping - upper nibble for button1 and lower for button2
* button1 and button2 mapped as themselves
* 0x0 disabled
* 0x1 button1
* 0x2 button1 toggle
* 0x3 no effect key event FFFF
* 0x4 button2
* 0x5 button2 toggle
* 0x6 button3
* 0x7 button3 toggle
* 0x8 ?toggle weirdly?
* 0x9 button4
* 0xa button4 toggle
* 0xb ?disabled?
* 0xc Left
* 0xd Right
* 0xe Alt+Left
* 0xf Alt+Right
* byte2: 0x00 - 0x40 on powerup, seems to do nothing
* byte3: 0x00 - 0x01 on powerup, seems to do nothing
* byte4: 0x69 button mapping - upper nibble for button3 and lower for button4
* button3 and button4 mapped as themselves(see byte1)
* byte5: 0xff unknown
* byte6: 0xff unknown
* byte7: 0x?? checksum
* byte7 = byte0 ^ byte1 ^ byte2 ^ byte3 ^ byte4 ^ byte5 ^ byte6 ^ 0xFF;
* https://github.com/NetBSD/src/blob/8966d5b1cf335756dd9bba3331e84c659bf917e1/sys/dev/adb/adb_ktm.c#L181
*/
uint8_t cmd[] = { 0xB5, 0x14, 0x00, 0x00, 0x69, 0xFF, 0xFF, 0x37 };
// cmd[7] = cmd[0] ^ cmd[1] ^ cmd[2] ^ cmd[3] ^ cmd[4] ^ cmd[5] ^ cmd[6] ^ 0xFF;
adb_host_flush(addr);
adb_host_listen_buf(addr, ADB_REG_2, cmd, sizeof(cmd));
}
device_table[addr].handler = mouse_handler;
return;
}
static report_mouse_t mouse_report = {};
static int32_t scroll_state = 0;
static uint8_t scroll_speed = ADB_MOUSE_SCROLL_SPEED;
static uint8_t scroll_button_mask = (1 << ADB_MOUSE_SCROLL_BUTTON) >> 1;
static uint8_t mouse_proc(uint8_t addr)
{
uint8_t len;
uint8_t buf[5];
int16_t x, y;
uint8_t mouse_handler;
//if (device_table[addr].addr_default != ADB_ADDR_MOUSE) return;
mouse_handler = device_table[addr].handler;
len = adb_host_talk_buf(addr, ADB_REG_0, buf, sizeof(buf));
if (len < 2) {
return 0;
};
xprintf("M:$%X:%02X:[ ", addr, mouse_handler);
for (uint8_t i = 0; i < len; i++)
xprintf("%02X ", buf[i]);
xprintf("] ");
bool xneg = false;
bool yneg = false;
// Convert data into Apple Extended Mouse format
//
// Apple Extended Mouse:
// Byte0: b00 y06 y05 y04 y03 y02 y01 y00
// Byte1: b01 x06 x05 x04 x03 x02 x01 x00
// Byte2: b02 y09 y08 y07 b03 x09 x08 x07
// Byte3: b04 y12 y11 y10 b05 x12 x11 x10
// Byte4: b06 y15 y14 y13 b07 x15 x14 x13
// b--: button state(0:pressed, 1:released)
// Data can be 2-5 bytes.
// L=b00, R=b01, M=b02
if (mouse_handler == ADB_HANDLER_LOGITECH) {
// Logitech:
// Byte0: bbb y06 y05 y04 y03 y02 y01 y00
// Byte1: 1 x06 x05 x04 x03 x02 x01 x00
// Byte2: 0 0 0 0 0 BL BM BR
// Bx: button state(1:pressed, 0:released)
// bbb: 0 when either BL, BR or BM is pressed
if (buf[0] & 0x40) yneg = true;
if (buf[1] & 0x40) xneg = true;
if (buf[2] & 0x04) buf[0] &= 0x7F; else buf[0] |= 0x80;
if (buf[2] & 0x01) buf[1] &= 0x7F; else buf[1] |= 0x80;
if (buf[2] & 0x02) buf[2] = 0x08; else buf[2] = 0x88;
if (yneg) buf[2] |= 0x70;
if (xneg) buf[2] |= 0x07;
len = 3;
} else if (mouse_handler == ADB_HANDLER_LOGITECH_EXT) {
// Logitech Extended:
// Byte0: b00 y06 y05 y04 y03 y02 y01 y00
// Byte1: b02 x06 x05 x04 x03 x02 x01 x00
// Byte2: b01 y09 y08 y07 b03 x09 x08 x07
// L=b00, R=b01, M=b02
uint8_t tmp = buf[2];
if (buf[1] & 0x80) buf[2] |= 0x80; else buf[2] &= 0x7F;
if (tmp & 0x80) buf[1] |= 0x80; else buf[1] &= 0x7F;
if (buf[len - 1] & 0x40) yneg = true;
if (buf[len - 1] & 0x04) xneg = true;
} else if (mouse_handler == ADB_HANDLER_MACALLY2_MOUSE && len == 4) {
// Macally 2-button mouse:
// Byte0: b00 y06 y05 y04 y03 y02 y01 y00
// Byte1: b01 x06 x05 x04 x03 x02 x01 x00
// Byte2: 1 0 0 0 1 0 0 0
// Byte3: 1 0 0 0 1 0 0 0
// b--: button state(0:pressed, 1:released)
if (buf[0] & 0x40) yneg = true;
if (buf[1] & 0x40) xneg = true;
// Ignore Byte2 and 3
len = 2;
} else if (mouse_handler == ADB_HANDLER_MICROSPEED_MACTRAC && len == 2) {
// MacTRAC 2.0 old firmware
// https://github.com/tmk/tmk_keyboard/issues/725#issuecomment-1779462409
// Byte0: b00 y06 y05 y04 y03 y02 y01 y00
// Byte1: b01 x06 x05 x04 x03 x02 x01 x00
// left button: b00=0, b01=1
// right button: b00=0, b01=0
// center button: Drag Lock
if (buf[0] & 0x40) yneg = true;
if (buf[1] & 0x40) xneg = true;
len = 2;
uint16_t packet = (buf[0] << 8) | buf[1];
// right button
if ((packet & 0x8080) == 0x0000) {
buf[0] |= 0x80;
buf[1] &= ~0x80;
} else {
buf[1] |= 0x80;
}
} else if ((mouse_handler == ADB_HANDLER_MICROSPEED_MACTRAC ||
mouse_handler == ADB_HANDLER_MICROSPEED_UNKNOWN ||
mouse_handler == ADB_HANDLER_CONTOUR_MOUSE) && len >= 3) {
// Microspeed:
// Byte0: ??? y06 y05 y04 y03 y02 y01 y00
// Byte1: ??? x06 x05 x04 x03 x02 x01 x00
// Byte2: ??? ??? ??? ??? ??? bM bR bL
// Contour Mouse:
// Byte0: bbb y06 y05 y04 y03 y02 y01 y00
// Byte1: 1 x06 x05 x04 x03 x02 x01 x00
// Byte2: 0 0 0 0 1 bM bR bL
// Byte3: 0 0 0 0 1 bM bR bL
// b--: button state(0:pressed, 1:released)
if (buf[0] & 0x40) yneg = true;
if (buf[1] & 0x40) xneg = true;
buf[0] = ((buf[2] & 1) << 7) | (buf[0] & 0x7F);
buf[1] = ((buf[2] & 2) << 6) | (buf[1] & 0x7F) ;
buf[2] = ((buf[2] & 4) << 5) | (buf[2] & 8) | (yneg ? 0x70 : 0x00) | (xneg ? 0x07 : 0x00);
len = 3;
} else if (mouse_handler == ADB_HANDLER_CHPRODUCTS_PRO) {
// CH Products Trackball Pro:
// Byte0: ??? y06 y05 y04 y03 y02 y01 y00
// Byte1: ??? x06 x05 x04 x03 x02 x01 x00
// Byte2: ??? ??? ??? ??? bL0 bL1 bR bM
// b--: button state(0:pressed, 1:released)
// L=(bL0 & bL1)
if (buf[0] & 0x40) yneg = true;
if (buf[1] & 0x40) xneg = true;
buf[0] = (((buf[2] & 4) << 5) & ((buf[2] & 8) << 4)) | (buf[0] & 0x7F);
buf[1] = ((buf[2] & 2) << 6) | (buf[1] & 0x7F) ;
buf[2] = ((buf[2] & 1) << 7) | (yneg ? 0x70 : 0x00) | (xneg ? 0x0F : 0x08);
len = 3;
} else if (mouse_handler == ADB_HANDLER_MOUSESYSTEMS_A3) {
// Mouse Systems A3: 3-button mouse/trackball:
// Byte0: ??? y06 y05 y04 y03 y02 y01 y00
// Byte1: ??? x06 x05 x04 x03 x02 x01 x00
// Byte2: ??? ??? ??? ??? ??? bR bM bL
// b--: button state(0:pressed, 1:released)
if (buf[0] & 0x40) yneg = true;
if (buf[1] & 0x40) xneg = true;
buf[0] = ((buf[2] & 1) << 7) | (buf[0] & 0x7F);
buf[1] = ((buf[2] & 4) << 5) | (buf[1] & 0x7F) ;
buf[2] = ((buf[2] & 2) << 6) | (yneg ? 0x70 : 0x00) | (xneg ? 0x0F : 0x08);
len = 3;
} else if (mouse_handler == ADB_HANDLER_EXTENDED_MOUSE ||
mouse_handler == ADB_HANDLER_TURBO_MOUSE) {
// Apple Extended Mouse:
if (buf[len - 1] & 0x40) yneg = true;
if (buf[len - 1] & 0x04) xneg = true;
} else {
// Apple Classic Mouse and Unknown devices:
// Byte0: b00 y06 y05 y04 y03 y02 y01 y00
// Byte1: b01 x06 x05 x04 x03 x02 x01 x00
if (buf[0] & 0x40) yneg = true;
if (buf[1] & 0x40) xneg = true;
len = 2;
#ifdef ADB_MOUSE_2ND_BUTTON_QUIRK
// Ignore b01('optional second button') as OSX/MacOS9 does.
// Some mouses misuse the bit and make it unusable.
// https://github.com/tmk/tmk_keyboard/issues/724
buf[1] |= 0x80;
#endif
}
// Make unused buf bytes compatible with Extended Mouse Protocol
for (int8_t i = len; i < sizeof(buf); i++) {
buf[i] = 0x88;
if (yneg) buf[i] |= 0x70;
if (xneg) buf[i] |= 0x07;
}
/* for debug
xprintf("[ ");
for (uint8_t i = 0; i < 5; i++)
xprintf("%02X ", buf[i]);
xprintf("] ");
*/
uint8_t buttons = 0;
if (!(buf[4] & 0x08)) buttons |= MOUSE_BTN8;
if (!(buf[4] & 0x80)) buttons |= MOUSE_BTN7;
if (!(buf[3] & 0x08)) buttons |= MOUSE_BTN6;
if (!(buf[3] & 0x80)) buttons |= MOUSE_BTN5;
if (!(buf[2] & 0x08)) buttons |= MOUSE_BTN4;
if (!(buf[2] & 0x80)) buttons |= MOUSE_BTN3; // Middle
if (!(buf[1] & 0x80)) buttons |= MOUSE_BTN2; // Right
if (!(buf[0] & 0x80)) buttons |= MOUSE_BTN1; // Left
// check if the scroll enable button is pressed
bool scroll_enable = (bool)(buttons & scroll_button_mask);
// mask out the scroll button so it isn't reported
buttons &= ~scroll_button_mask;
mouse_report.buttons = buttons;
int16_t xx, yy;
y = yy = (buf[0] & 0x7F) | (buf[2] & 0x70) << 3 | (buf[3] & 0x70) << 6 | (buf[4] & 0x70) << 9;
x = xx = (buf[1] & 0x7F) | (buf[2] & 0x07) << 7 | (buf[3] & 0x07) << 10 | (buf[4] & 0x07) << 13;
#ifndef MOUSE_EXT_REPORT
x = (x > 127) ? 127 : ((x < -127) ? -127 : x);
y = (y > 127) ? 127 : ((y < -127) ? -127 : y);
#endif
if (scroll_enable) {
scroll_state -= y;
mouse_report.v = scroll_state / scroll_speed;
scroll_state %= scroll_speed;
mouse_report.x = 0;
mouse_report.y = 0;
} else {
scroll_state = 0;
mouse_report.v = 0;
mouse_report.x = x;
mouse_report.y = y;
}
xprintf("[ B:%02X X:%d(%d) Y:%d(%d) V:%d ]\n",
mouse_report.buttons, mouse_report.x, xx, mouse_report.y, yy, mouse_report.v);
// Send result by usb.
host_mouse_send(&mouse_report);
return 1;
}
uint8_t adb_mouse_buttons(void)
{
return mouse_report.buttons;
}
#endif
////////////////////////////////////////////////////////////////////////////////
// Appliance handler
////////////////////////////////////////////////////////////////////////////////
static void appliance_setup(uint8_t addr)
{
// Adjustable keyboard M1242 media keys: address=7 and handler=2
xprintf("A:$%X:Appliance(Media keys)\n", addr);
}
static uint8_t appliance_keymap(uint8_t code)
{
switch (code & 0x7f ) {
case 0x00: return (code & 0x80) | 0x42; // Mic -> F13
case 0x01: return (code & 0x80) | 0x4a; // Mute -> MUTE
case 0x02: return (code & 0x80) | 0x49; // Volume down -> VOLD
case 0x03: return (code & 0x80) | 0x48; // Volume Up -> VOLU
case 0x7F: return 0; // no code
default:
xprintf("m:Unknown: %02X\n", code);
return 0;
}
}
static uint8_t appliance_proc(uint8_t addr)
{
// Adjustable keybaord M1242 media keys: handler=2
uint16_t codes = adb_host_kbd_recv(addr);
if (!codes) return 0;
xprintf("m:$%X:%04X ", addr, codes);
uint8_t key;
if ((codes >> 8) != 0xFF) {
key = appliance_keymap(codes >> 8);
if (key) {
register_key(key);
}
}
if ((codes & 0xFF) != 0xFF) {
key = appliance_keymap(codes & 0xFF);
if (key) {
register_key(key);
}
}
return 1;
}
////////////////////////////////////////////////////////////////////////////////
// Address Resolution - hot-plug support
////////////////////////////////////////////////////////////////////////////////
static bool update_device_table(void)
{
bool changed = false;
// remove entry for non-existent device
for (uint8_t addr = 8; addr < 16; addr++) {
uint16_t reg3 = adb_host_talk(addr, ADB_REG_3);
if (!reg3) {
if (device_table[addr].addr_default) {
changed = true;
device_table[addr] = (struct adb_device){0};
}
}
}
return changed;
}
static uint8_t free_address(void)
{
// address for dynamic assignment
for (uint8_t addr = 15; addr > 7; addr--) {
if (device_table[addr].addr_default == 0)
return addr;
}
return 0;
}
static void resolve_address(void)
{
bool changed = false;
uint16_t reg3;
// Find new device at address 1 to 7
for (uint8_t addr = 1; addr < 8; addr++) {
again:
reg3 = adb_host_talk(addr, ADB_REG_3);
if (!reg3) {
if (device_table[addr].addr_default) {
changed = true;
device_table[addr] = (struct adb_device){0};
}
continue;
}
changed = true;
xprintf("R:$%X:Found. R3:%04X\n", addr, reg3);
uint8_t new_addr = free_address();
if (!new_addr) {
xprintf("R:$%X:No free address\n", addr);
continue;
}
// Move device to higher address 8 to 15
adb_host_listen(addr, ADB_REG_3, ((reg3 >> 8) & 0xF0) | new_addr, 0xFE);
reg3 = adb_host_talk(new_addr, ADB_REG_3);
if (!reg3) {
xprintf("R:$%X:Fail to move\n", addr);
continue;
}
device_table[new_addr].addr_default = addr;
device_table[new_addr].handler_default = reg3 & 0xFF;
device_table[new_addr].handler = reg3 & 0xFF;
xprintf("R:$%X:Move to $%X. R3:%04X\n", addr, new_addr, reg3);
// Setup supported device
if (addr == ADB_ADDR_KEYBOARD) keyboard_setup(new_addr);
if (addr == ADB_ADDR_MOUSE) mouse_setup(new_addr);
if (addr == ADB_ADDR_APPLIANCE) appliance_setup(new_addr);
goto again; // if addr still has another deivce
}
// update table entry
changed |= update_device_table();
if (changed) {
print_device_table();
}
}
////////////////////////////////////////////////////////////////////////////////
// Core API
////////////////////////////////////////////////////////////////////////////////
void hook_late_init(void)
{
debug_enable = true;
//debug_matrix = true;
//debug_keyboard = true;
//debug_mouse = true;
for (uint8_t addr = 0; addr < 16; addr++) {
device_table[addr].addr_default = 0;
device_table[addr].handler_default = 0;
device_table[addr].handler = 0;
}
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
// LED on
DDRD |= (1<<6); PORTD |= (1<<6);
adb_host_init();
adb_host_reset_hard();
//adb_host_reset(); // some of devices done't recognize
device_scan();
// LED off
DDRD |= (1<<6); PORTD &= ~(1<<6);
return;
}
void matrix_init(void)
{
}
inline
matrix_row_t matrix_get_row(uint8_t row)
{
return matrix[row];
}
void led_set(uint8_t usb_led)
{
for (uint8_t addr = 15; addr > 7; addr--) {
if (device_table[addr].addr_default == ADB_ADDR_KEYBOARD) {
adb_host_kbd_led(addr, ~usb_led);
}
}
adb_host_kbd_led(ADB_ADDR_KEYBOARD, ~usb_led);
}
uint8_t matrix_scan(void)
{
static uint16_t poll_ms;
static uint16_t detect_ms;
static uint8_t active_addr = 3;
static bool psw_state = false;
uint8_t len;
uint8_t buf[8];
uint8_t addr = active_addr;
uint8_t busy = 0;
// Polling with 11ms interval
if (timer_elapsed(poll_ms) >= 11) {
poll_ms = timer_read();
do {
addr %= 16;
// Ignore Address 0
if (addr == 0) continue;
switch (device_table[addr].addr_default) {
case ADB_ADDR_KEYBOARD:
busy = keyboard_proc(addr);
break;
case ADB_ADDR_MOUSE:
busy = mouse_proc(addr);
break;
case ADB_ADDR_APPLIANCE:
busy = appliance_proc(addr);
break;
case 0:
// 'Dumb' device may exist at 2, 3 and 7 #733
switch (addr) {
case ADB_ADDR_KEYBOARD:
busy = keyboard_proc(addr);
break;
case ADB_ADDR_MOUSE:
busy = mouse_proc(addr);
break;
case ADB_ADDR_APPLIANCE:
busy = appliance_proc(addr);
break;
default:
// No device - Poll next address
continue;
}
break;
default:
// Unsupported device
len = adb_host_talk_buf(addr, ADB_REG_0, buf, sizeof(buf));
if (len) {
xprintf("U:$%X:%02X:[ ", addr, device_table[addr].handler);
for (uint8_t i = 0; i < len; i++) {
xprintf("%02X ", buf[i]);
}
xprintf("]\n");
busy = 1;
}
break;
}
if (!adb_service_request()) {
// No SRQ - Done.
break;
}
} while (++addr != active_addr);
active_addr = addr % 16;
// Check PSW pin for NeXT keyboard
// https://github.com/tmk/tmk_keyboard/issues/735
if (!psw_state) {
if (!adb_host_psw()) {
register_key(0x7F); // power key press
psw_state = true;
}
} else {
if (adb_host_psw()) {
register_key(0xFF); // power key release
psw_state = false;
}
}
}
// Address Resolution
if (!busy) {
if (timer_elapsed(detect_ms) >= 1000) {
detect_ms = timer_read();
resolve_address();
}
} else {
detect_ms = timer_read();
}
}