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I/O # FPC Conn #
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MODIFIERKEY_LEFT_CTRL 4 11 10 24
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MODIFIERKEY_RIGHT_CTRL 4 31 10 17
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MODIFIERKEY_LEFT_SHIFT 3 11 8 24
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MODIFIERKEY_RIGHT_SHIFT 3 31 8 17
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MODIFIERKEY_LEFT_ALT 20 11 7 24
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MODIFIERKEY_RIGHT_ALT 20 31 7 17
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MODIFIERKEY_GUI 33 28 19 25
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MODIFIERKEY_FN 9 28 20 25
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KEY_A 17 9 13 20
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KEY_B 17 10 13 22
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KEY_C 3 8 8 18
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KEY_D 18 9 11 20
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KEY_E 20 32 7 21
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KEY_F 19 8 9 18
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KEY_G 19 30 9 23
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KEY_H 0 11 2 24
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KEY_I 6 11 14 24
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KEY_J 29 11 15 24
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KEY_K 2 11 6 24
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KEY_L 1 11 4 24
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KEY_M 3 10 8 22
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KEY_N 5 10 12 22
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KEY_O 21 11 5 24
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KEY_P 22 11 3 24
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KEY_Q 18 32 11 21
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KEY_R 18 8 11 18
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KEY_S 5 33 12 19
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KEY_T 17 30 13 23
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KEY_U 7 11 16 24
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KEY_V 20 30 7 23
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KEY_W 5 32 12 21
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KEY_X 4 9 10 20
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KEY_Y 11 12 24 26
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KEY_Z 4 33 10 19
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KEY_TILDE 9 12 20 26
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KEY_1 21 31 5 17
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KEY_2 7 31 16 17
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KEY_3 29 31 15 17
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KEY_4 6 31 14 17
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KEY_5 2 31 6 17
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KEY_6 6 33 14 19
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KEY_7 2 33 6 19
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KEY_8 7 8 16 18
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KEY_9 29 8 15 18
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KEY_0 6 8 14 18
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KEY_MINUS 29 30 15 23
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KEY_EQUAL 21 30 5 23
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KEY_BACKSPACE 23 8 1 18
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KEY_ESC 32 12 21 26
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KEY_F1 21 8 5 18
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KEY_F2 7 32 16 21
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KEY_F3 29 32 15 21
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KEY_F4 6 32 14 21
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KEY_F5 2 32 6 21
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KEY_F6 2 9 6 20
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KEY_F7 21 32 5 21
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KEY_F8 21 9 5 20
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KEY_F9 22 32 3 21
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KEY_F10 1 32 4 21
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KEY_F11 0 32 2 21
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KEY_F12 23 32 1 21
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KEY_INSERT 21 33 5 19
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KEY_DELETE 2 8 6 18
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KEY_RIGHT 23 31 1 17
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KEY_LEFT 0 31 2 17
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KEY_UP 22 31 3 17
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KEY_DOWN 1 31 4 17
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KEY_MENU 7 9 16 20
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KEY_SLASH 7 30 16 23
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KEY_PERIOD 2 30 6 23
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KEY_COMMA 23 11 1 24
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KEY_SEMICOLON 23 30 1 23
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KEY_QUOTE 22 30 3 23
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KEY_ENTER 30 28 23 25
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KEY_LEFT_BRACE 30 12 23 26
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KEY_RIGHT_BRACE 6 30 14 23
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KEY_BACKSLASH 0 8 2 18
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KEY_CAPS_LOCK 0 33 2 19
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KEY_TAB 31 12 17 26
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KEY_SPACE 19 33 9 19
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KEY_HOME 7 33 16 19
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KEY_END 29 33 15 19
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KEY_PAGE_UP FN 7 33 16 19
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KEY_PAGE_DOWN FN 29 33 15 19
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KEY_NUM_LOCK 23 33 1 19
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KEYPAD_SLASH 23 9 1 20
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KEYPAD_ASTERIX 0 9 2 20
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KEYPAD_MINUS 1 9 4 20
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KEYPAD_7 23 10 1 22
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KEYPAD_8 22 10 3 22
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KEYPAD_9 1 10 4 22
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KEYPAD_PLUS 22 9 3 20
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KEYPAD_4 29 10 15 22
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KEYPAD_5 10 12 22 26
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KEYPAD_6 0 10 2 22
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KEYPAD_1 21 10 5 22
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KEYPAD_2 6 10 14 22
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KEYPAD_3 7 10 16 22
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KEYPAD_0 2 10 6 22
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KEYPAD_PERIOD 33 12 19 26
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KEYPAD_ENTER 10 28 22 25
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KEY_MEDIA_VOLUME_DEC FN 0 31 2 17
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KEY_MEDIA_VOLUME_INC FN 23 31 1 17
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KEY_MEDIA_MUTE FN 2 10 6 22
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KEY_MEDIA_EJECT FN
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custom FN keys not on list:
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bightness in FN 22 31 3 17
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bightness de FN 1 31 4 17
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sleep FN 23 32 1 21
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touch mouse toggle FN 29 32 15 21
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sceen project FN 7 32 16 21
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camera toggle FN 2 9 6 20
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airplane toggle mode FN 1 32 4 21
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eco mode FN 2 32
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performance mode swith FN 21 32 5 21
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/* Copyright 2020 Frank Adams
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// This software implements a Laptop Keyboard Controller for an msi ge63 raider rgb 8re
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// using a Teensy 4.0 on a daughterboard with an FPC connector.
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// This routine uses the Teensyduino "Micro-Manager Method" to send Normal and Modifier
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// keys over USB. Multi-media keys are sent with keyboard press and release functions.
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// Description of Teensyduino keyboard functions is at www.pjrc.com/teensy/td_keyboard.html
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//
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// Revision History
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// Initial Release April 28, 2020
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//
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#define MODIFIERKEY_FN 0x8f // give Fn key a HID code
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#define CAPS_LED 13 // Teensy LED shows Caps-Lock
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//
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const byte rows_max = 18; // sets the number of rows in the matrix
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const byte cols_max = 8; // sets the number of columns in the matrix
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//
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// Load the normal key matrix with the Teensyduino key names described at www.pjrc.com/teensy/td_keyboard.html
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// A zero indicates no normal key at that location.
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//
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int normal[rows_max][cols_max] = {
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{KEY_RIGHT,KEY_BACKSPACE,KEY_NUM_LOCK,KEYPAD_SLASH,KEY_F12,KEYPAD_7,KEY_SEMICOLON,KEY_COMMA},
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{KEY_LEFT,KEY_BACKSLASH,KEY_CAPS_LOCK,KEYPAD_ASTERIX,KEY_F11,KEYPAD_6,0,KEY_H},
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{KEY_UP,0,0,KEYPAD_PLUS,KEY_F9,KEYPAD_8,KEY_QUOTE,KEY_P},
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{KEY_DOWN,0,0,KEYPAD_MINUS,KEY_F10,KEYPAD_9,0,KEY_L},
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{KEY_1,KEY_F1,KEY_INSERT,KEY_F8,KEY_F7,KEYPAD_1,KEY_EQUAL,KEY_O},
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{KEY_5,KEY_DELETE,KEY_7,KEY_F6,KEY_F5,KEYPAD_0,KEY_PERIOD,KEY_K},
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{0,0,0,0,KEY_E,0,KEY_V,0},
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{0,KEY_C,0,0,0,KEY_M,0,0},
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{0,KEY_F,KEY_SPACE,0,0,0,KEY_G,0},
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{0,0,KEY_Z,KEY_X,0,0,0,0},
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{0,KEY_R,0,KEY_D,KEY_Q,0,0,0},
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{0,0,KEY_S,0,KEY_W,KEY_N,0,0},
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{0,0,0,KEY_A,0,KEY_B,KEY_T,0},
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{KEY_4,KEY_0,KEY_6,0,KEY_F4,KEYPAD_2,KEY_RIGHT_BRACE,KEY_I},
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{KEY_3,KEY_9,KEY_END,0,KEY_F3,KEYPAD_4,KEY_MINUS,KEY_J},
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{KEY_2,KEY_8,KEY_HOME,KEY_MENU,KEY_F2,KEYPAD_3,KEY_SLASH,KEY_U},
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{0,0,0,0,0,KEYPAD_ENTER,KEY_ENTER,0},
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{KEY_TAB,0,KEY_PERIOD,KEY_TILDE,KEY_ESC,KEYPAD_5,KEY_LEFT_BRACE,KEY_Y}
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};
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// Load the modifier key matrix with key names at the correct row-column location.
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// A zero indicates no modifier key at that location.
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int modifier[rows_max][cols_max] = {
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{MODIFIERKEY_RIGHT_ALT,0,0,0,0,0,0,MODIFIERKEY_LEFT_ALT},
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{MODIFIERKEY_RIGHT_SHIFT,0,0,0,0,0,0,MODIFIERKEY_LEFT_SHIFT},
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{0,0,0,0,0,0,0,0},
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{MODIFIERKEY_RIGHT_CTRL,0,0,0,0,0,0,MODIFIERKEY_LEFT_CTRL},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,MODIFIERKEY_GUI,MODIFIERKEY_FN,0,0,0,0},
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{0,0,0,0,0,0,0,0}
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};
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// Load the media key matrix with Fn key names at the correct row-column location.
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// A zero indicates no media key at that location.
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int media[rows_max][cols_max] = {
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{KEY_MEDIA_VOLUME_INC,0,0,0,KEY_SYSTEM_SLEEP,0,0,0},
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{KEY_MEDIA_VOLUME_DEC,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,KEY_MEDIA_MUTE,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,KEY_PAGE_DOWN,0,0,0,0,0},
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{0,0,KEY_PAGE_UP,0,0,0,0,0},
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{0,0,0,0,0,0,0,0},
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{0,0,0,0,0,0,0,0}
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};
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// Initialize the old_key matrix with one's.
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// 1 = key not pressed, 0 = key is pressed
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boolean old_key[rows_max][cols_max] = {
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1},
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{1,1,1,1,1,1,1,1}
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};
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//
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// Define the Teensy 4.0 I/O numbers (translated from the FPC pin #)
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// Row FPC pin # 01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,25,26
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// Teensy I/O # 23,00,22,01,21,02,20,03,19,04,18,05,17,06,29,07,28,12
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int Row_IO[rows_max] = {23,0,22,1,21,2,20,3,19,4,18,5,17,6,29,7,28,12}; // Teensy 4.0 I/O numbers for rows
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//
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// Column FPC pin # 17,18,19,20,21,22,23,24
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// Teensy I/O # 31,08,33,09,32,10,30,11
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int Col_IO[cols_max] = {31,8,33,9,32,10,30,11}; // Teensy 4.0 I/O numbers for columns
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// Declare variables that will be used by functions
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boolean slots_full = LOW; // Goes high when slots 1 thru 6 contain normal keys
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// slot 1 thru slot 6 hold the normal key values to be sent over USB.
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int slot1 = 0; //value of 0 means the slot is empty and can be used.
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int slot2 = 0;
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int slot3 = 0;
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int slot4 = 0;
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int slot5 = 0;
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int slot6 = 0;
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//
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int mod_shift_l = 0; // These variables are sent over USB as modifier keys.
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int mod_shift_r = 0; // Each is either set to 0 or MODIFIER_ ...
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int mod_ctrl_l = 0;
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int mod_ctrl_r = 0;
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int mod_alt_l = 0;
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int mod_alt_r = 0;
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int mod_gui = 0;
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//
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// Function to load the key name into the first available slot
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void load_slot(int key) {
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if (!slot1) {
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slot1 = key;
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}
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else if (!slot2) {
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slot2 = key;
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}
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else if (!slot3) {
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slot3 = key;
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}
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else if (!slot4) {
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slot4 = key;
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}
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else if (!slot5) {
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slot5 = key;
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}
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else if (!slot6) {
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slot6 = key;
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}
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if (!slot1 || !slot2 || !slot3 || !slot4 || !slot5 || !slot6) {
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slots_full = LOW; // slots are not full
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}
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else {
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slots_full = HIGH; // slots are full
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}
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}
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//
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// Function to clear the slot that contains the key name
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void clear_slot(int key) {
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if (slot1 == key) {
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slot1 = 0;
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}
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else if (slot2 == key) {
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slot2 = 0;
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}
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else if (slot3 == key) {
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slot3 = 0;
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}
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else if (slot4 == key) {
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slot4 = 0;
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}
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else if (slot5 == key) {
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slot5 = 0;
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}
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else if (slot6 == key) {
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slot6 = 0;
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}
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if (!slot1 || !slot2 || !slot3 || !slot4 || !slot5 || !slot6) {
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slots_full = LOW; // slots are not full
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}
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else {
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slots_full = HIGH; // slots are full
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}
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}
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//
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// Function to load the modifier key name into the appropriate mod variable
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void load_mod(int m_key) {
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if (m_key == MODIFIERKEY_LEFT_SHIFT) {
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mod_shift_l = m_key;
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}
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else if (m_key == MODIFIERKEY_RIGHT_SHIFT) {
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mod_shift_r = m_key;
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}
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else if (m_key == MODIFIERKEY_LEFT_CTRL) {
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mod_ctrl_l = m_key;
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}
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else if (m_key == MODIFIERKEY_RIGHT_CTRL) {
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mod_ctrl_r = m_key;
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}
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else if (m_key == MODIFIERKEY_LEFT_ALT) {
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mod_alt_l = m_key;
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}
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else if (m_key == MODIFIERKEY_RIGHT_ALT) {
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mod_alt_r = m_key;
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}
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else if (m_key == MODIFIERKEY_GUI) {
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mod_gui = m_key;
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}
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}
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//
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// Function to load 0 into the appropriate mod variable
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void clear_mod(int m_key) {
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if (m_key == MODIFIERKEY_LEFT_SHIFT) {
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mod_shift_l = 0;
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}
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else if (m_key == MODIFIERKEY_RIGHT_SHIFT) {
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mod_shift_r = 0;
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}
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else if (m_key == MODIFIERKEY_LEFT_CTRL) {
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mod_ctrl_l = 0;
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}
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else if (m_key == MODIFIERKEY_RIGHT_CTRL) {
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mod_ctrl_r = 0;
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}
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else if (m_key == MODIFIERKEY_LEFT_ALT) {
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mod_alt_l = 0;
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}
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else if (m_key == MODIFIERKEY_RIGHT_ALT) {
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mod_alt_r = 0;
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}
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else if (m_key == MODIFIERKEY_GUI) {
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mod_gui = 0;
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}
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}
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//
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// Function to send the modifier keys over usb
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void send_mod() {
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Keyboard.set_modifier(mod_shift_l | mod_shift_r | mod_ctrl_l | mod_ctrl_r | mod_alt_l | mod_alt_r | mod_gui);
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Keyboard.send_now();
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}
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//
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// Function to send the normal keys in the 6 slots over usb
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void send_normals() {
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Keyboard.set_key1(slot1);
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Keyboard.set_key2(slot2);
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Keyboard.set_key3(slot3);
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Keyboard.set_key4(slot4);
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Keyboard.set_key5(slot5);
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Keyboard.set_key6(slot6);
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Keyboard.send_now();
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}
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//
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// Function to set a pin to high impedance (acts like open drain output)
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void go_z(int pin)
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{
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pinMode(pin, INPUT);
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digitalWrite(pin, HIGH);
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}
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//
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// Function to set a pin as an input with a pullup
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void go_pu(int pin)
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{
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pinMode(pin, INPUT_PULLUP);
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digitalWrite(pin, HIGH);
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}
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//
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// Function to send a pin to a logic low
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void go_0(int pin)
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{
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pinMode(pin, OUTPUT);
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digitalWrite(pin, LOW);
|
||||
}
|
||||
//
|
||||
// Function to send a pin to a logic high
|
||||
void go_1(int pin)
|
||||
{
|
||||
pinMode(pin, OUTPUT);
|
||||
digitalWrite(pin, HIGH);
|
||||
}
|
||||
//
|
||||
//----------------------------------Setup-------------------------------------------
|
||||
void setup() {
|
||||
for (int a = 0; a < cols_max; a++) { // loop thru all column pins
|
||||
go_pu(Col_IO[a]); // set each column pin as an input with a pullup
|
||||
}
|
||||
//
|
||||
for (int b = 0; b < rows_max; b++) { // loop thru all row pins
|
||||
go_z(Row_IO[b]); // set each row pin as a floating output
|
||||
}
|
||||
}
|
||||
//
|
||||
boolean Fn_pressed = HIGH; // Initialize Fn key to HIGH = "not pressed"
|
||||
extern volatile uint8_t keyboard_leds; // 8 bits sent from Host to Teensy that give keyboard LED status. Caps lock is bit D1.
|
||||
//
|
||||
//---------------------------------Main Loop---------------------------------------------
|
||||
//
|
||||
void loop() {
|
||||
// Scan keyboard matrix with an outer loop that drives each row low and an inner loop that reads every column (with pull ups).
|
||||
// The routine looks at each key's present state (by reading the column input pin) and also the previous state from the last scan
|
||||
// that was 30msec ago. The status of a key that was just pressed or just released is sent over USB and the state is saved in the old_key matrix.
|
||||
// The keyboard keys will read as logic low if they are pressed (negative logic).
|
||||
// The old_key matrix also uses negative logic (low=pressed).
|
||||
//
|
||||
for (int x = 0; x < rows_max; x++) { // loop thru the rows
|
||||
go_0(Row_IO[x]); // Activate Row (send it low)
|
||||
delayMicroseconds(10); // give the row time to go low and settle out
|
||||
for (int y = 0; y < cols_max; y++) { // loop thru the columns
|
||||
// **********Modifier keys including the Fn special case
|
||||
if (modifier[x][y] != 0) { // check if modifier key exists at this location in the array (a non-zero value)
|
||||
if (!digitalRead(Col_IO[y]) && (old_key[x][y])) { // Read column to see if key is low (pressed) and was previously not pressed
|
||||
if (modifier[x][y] != MODIFIERKEY_FN) { // Exclude Fn modifier key
|
||||
load_mod(modifier[x][y]); // function reads which modifier key is pressed and loads it into the appropriate mod_... variable
|
||||
send_mod(); // function sends the state of all modifier keys over usb including the one that just got pressed
|
||||
old_key[x][y] = LOW; // Save state of key as "pressed"
|
||||
}
|
||||
else {
|
||||
Fn_pressed = LOW; // Fn status variable is active low
|
||||
old_key[x][y] = LOW; // old_key state is "pressed" (active low)
|
||||
}
|
||||
}
|
||||
else if (digitalRead(Col_IO[y]) && (!old_key[x][y])) { //check if key is not pressed and was previously pressed
|
||||
if (modifier[x][y] != MODIFIERKEY_FN) { // Exclude Fn modifier key
|
||||
clear_mod(modifier[x][y]); // function reads which modifier key was released and loads 0 into the appropriate mod_... variable
|
||||
send_mod(); // function sends all mod's over usb including the one that just released
|
||||
old_key[x][y] = HIGH; // Save state of key as "not pressed"
|
||||
}
|
||||
else {
|
||||
Fn_pressed = HIGH; // Fn is no longer active
|
||||
old_key[x][y] = HIGH; // old_key state is "not pressed"
|
||||
}
|
||||
}
|
||||
}
|
||||
// ***********end of modifier section
|
||||
//
|
||||
// ***********Normal keys and media keys in this section
|
||||
else if ((normal[x][y] != 0) || (media[x][y] != 0)) { // check if normal or media key exists at this location in the array
|
||||
if (!digitalRead(Col_IO[y]) && (old_key[x][y]) && (!slots_full)) { // check if key is pressed and was not previously pressed and slots not full
|
||||
old_key[x][y] = LOW; // Save state of key as "pressed"
|
||||
if (Fn_pressed) { // Fn_pressed is active low so it is not pressed and normal key needs to be sent
|
||||
load_slot(normal[x][y]); //update first available slot with normal key name
|
||||
send_normals(); // send all slots over USB including the key that just got pressed
|
||||
}
|
||||
else if (media[x][y] != 0) { // Fn is pressed so send media if a key exists in the matrix
|
||||
Keyboard.press(media[x][y]); // media key is sent using keyboard press function per PJRC
|
||||
delay(5); // delay 5 milliseconds before releasing to make sure it gets sent over USB
|
||||
Keyboard.release(media[x][y]); // send media key release
|
||||
}
|
||||
}
|
||||
else if (digitalRead(Col_IO[y]) && (!old_key[x][y])) { //check if key is not pressed, but was previously pressed
|
||||
old_key[x][y] = HIGH; // Save state of key as "not pressed"
|
||||
if (Fn_pressed) { // Fn is not pressed
|
||||
clear_slot(normal[x][y]); //clear the slot that contains the normal key name
|
||||
send_normals(); // send all slots over USB including the key that was just released
|
||||
}
|
||||
}
|
||||
}
|
||||
// **************end of normal and media key section
|
||||
//
|
||||
}
|
||||
go_z(Row_IO[x]); // De-activate Row (send it to hi-z)
|
||||
}
|
||||
//
|
||||
// **********keyboard scan complete
|
||||
//
|
||||
// Turn on the LED on the Teensy for Caps Lock based on bit 1 in the keyboard_leds variable controlled by the USB host computer
|
||||
//
|
||||
if (keyboard_leds & 1<<1) { // mask off all bits but D1 and test if set
|
||||
go_1(CAPS_LED); // turn on the LED
|
||||
}
|
||||
else {
|
||||
go_0(CAPS_LED); // turn off the LED
|
||||
}
|
||||
//
|
||||
delay(25); // The overall keyboard scanning rate is about 30ms
|
||||
}
|
||||
Loading…
Reference in a new issue