diff --git a/Example_Keyboards/Lenovo_G550/IMG_20220803_155037375_2.jpg b/Example_Keyboards/Lenovo_G550/IMG_20220803_155037375_2.jpg new file mode 100644 index 0000000..bfddea9 Binary files /dev/null and b/Example_Keyboards/Lenovo_G550/IMG_20220803_155037375_2.jpg differ diff --git a/Example_Keyboards/Lenovo_G550/IMG_20220803_155138292_2.jpg b/Example_Keyboards/Lenovo_G550/IMG_20220803_155138292_2.jpg new file mode 100644 index 0000000..d1012be Binary files /dev/null and b/Example_Keyboards/Lenovo_G550/IMG_20220803_155138292_2.jpg differ diff --git a/Example_Keyboards/Lenovo_G550/IMG_20220803_155308305_HDR_2.jpg b/Example_Keyboards/Lenovo_G550/IMG_20220803_155308305_HDR_2.jpg new file mode 100644 index 0000000..f41ff36 Binary files /dev/null and b/Example_Keyboards/Lenovo_G550/IMG_20220803_155308305_HDR_2.jpg differ diff --git a/Example_Keyboards/Lenovo_G550/Lenovo_G550_Keyboard_Teensy_4p0.ino b/Example_Keyboards/Lenovo_G550/Lenovo_G550_Keyboard_Teensy_4p0.ino new file mode 100644 index 0000000..da11dd8 --- /dev/null +++ b/Example_Keyboards/Lenovo_G550/Lenovo_G550_Keyboard_Teensy_4p0.ino @@ -0,0 +1,381 @@ +/* Copyright 2022 José María Ferri + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + http://www.apache.org/licenses/LICENSE-2.0 + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ +// This software implements a Lenovo G550 Laptop Keyboard Controller using a Teensy 4.0 on +// a daughterboard with a 24 pin FPC connector. The keyboard part number is V-105120AK1-XX (where XX is language code, ie. US, SP, FR...). +// This routine uses the Teensyduino "Micro-Manager Method" to send Normal and Modifier +// keys over USB. Multi-media keys are sent with keyboard press and release functions. +// Description of Teensyduino keyboard functions is at www.pjrc.com/teensy/td_keyboard.html +// +// Revision History +// Initial Release Aug 2, 2022 +// +#define MODIFIERKEY_FN 0x8f // give Fn key a HID code +#define CAPS_LED 13 // Teensy LED shows Caps-Lock +// +const byte rows_max = 16; // sets the number of rows in the matrix +const byte cols_max = 8; // sets the number of columns in the matrix +// +// Load the normal key matrix with the Teensyduino key names described at www.pjrc.com/teensy/td_keyboard.html +// A zero indicates no normal key at that location. +// +int normal[rows_max][cols_max] = { + {0,0,0,KEY_NUM_LOCK,0,0,0,0}, +{KEY_TAB,0,KEY_Z,KEY_A,KEY_1,KEY_Q,KEY_TILDE,KEY_ESC}, +{KEY_Y,KEY_N,KEY_M,KEY_J,KEY_7,KEY_U,KEY_6,KEY_H}, +{KEY_F3,KEYPAD_PERIOD,KEY_C,KEY_D,KEY_3,KEY_E,KEY_F2,KEY_F4}, +{KEY_CAPS_LOCK,KEYPAD_MINUS,KEY_X,KEY_S,KEY_2,KEY_W,KEY_F1,KEY_BACKSLASH}, +{KEY_T,KEY_B,KEY_V,KEY_F,KEY_4,KEY_R,KEY_5,KEY_G}, +{KEY_LEFT_BRACE,KEY_SLASH,0,KEY_SEMICOLON,KEY_0,KEY_P,KEY_MINUS,KEY_QUOTE}, +{0,0,0,0,0,0,0,0}, +{KEYPAD_5,0,KEYPAD_9,KEYPAD_7,0,0,KEYPAD_4,0}, +{KEYPAD_2,KEY_RIGHT,KEYPAD_6,KEYPAD_1,KEY_F12,KEYPAD_3,KEY_INSERT,KEYPAD_PLUS}, +{0,KEY_DOWN,KEYPAD_ASTERIX,0,KEY_F11,0,KEY_DELETE,0}, +{KEYPAD_8,0,0,KEY_MENU,KEY_PAGE_DOWN,0,KEY_PAGE_UP,KEYPAD_SLASH}, +{KEY_BACKSPACE,KEY_SPACE,KEY_ENTER,0,KEY_F10,0,KEY_F9,KEY_F5}, +{KEYPAD_0,KEY_LEFT,0,0,0,KEYPAD_ENTER,0,KEY_UP}, +{KEY_RIGHT_BRACE,0,KEY_COMMA,KEY_K,KEY_8,KEY_I,KEY_EQUAL,KEY_F6}, +{KEY_F7,0,KEY_PERIOD,KEY_L,KEY_9,KEY_O,KEY_F8,0} +}; +// Load the modifier key matrix with key names at the correct row-column location. +// A zero indicates no modifier key at that location. +int modifier[rows_max][cols_max] = { + {MODIFIERKEY_LEFT_SHIFT,0,MODIFIERKEY_RIGHT_SHIFT,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,MODIFIERKEY_RIGHT_CTRL,0,0,0,MODIFIERKEY_LEFT_CTRL,0}, +{0,MODIFIERKEY_RIGHT_ALT,0,0,0,0,0,MODIFIERKEY_LEFT_ALT}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,MODIFIERKEY_GUI,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,MODIFIERKEY_FN,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0} +}; +// Load the media key matrix with Fn key names at the correct row-column location. +// A zero indicates no media key at that location. +int media[rows_max][cols_max] = { + {0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,KEY_MEDIA_VOLUME_INC,0,0,KEY_MEDIA_FAST_FORWARD,0,0,0}, +{0,0,0,0,KEY_MEDIA_REWIND,0,0,0}, +{0,0,0,0,KEY_END,0,KEY_HOME,0}, +{0,0,0,0,KEY_MEDIA_STOP,0,KEY_MEDIA_PLAY_PAUSE,0}, +{0,KEY_MEDIA_VOLUME_DEC,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0}, +{0,0,0,0,0,0,0,0} +}; +// Initialize the old_key matrix with one's. +// 1 = key not pressed, 0 = key is pressed +boolean old_key[rows_max][cols_max] = { + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1}, + {1,1,1,1,1,1,1,1} +}; +// +// Define the Teensy 4.0 I/O numbers (translated from the FPC pin #) +// Row FPC pin # 02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18 +// Teensy I/O # 00,22,01,21,02,20,03,19,04,18,05,17,06,29,07,31,08 +int Row_IO[rows_max] = {1, 20, 4, 18, 17, 6, 7, 8, 33, 9, 10, 11, 27, 26, 25, 24}; // Teensy 4.0 I/O numbers for rows +// +// Column FPC pin # 19,20,21,22,23,24,25,26 +// Teensy I/O # 33,09,32,10,30,11,28,12 +int Col_IO[cols_max] = {23, 0, 22, 21, 2, 3, 19, 5}; // Teensy 4.0 I/O numbers for columns + +// Declare variables that will be used by functions +boolean slots_full = LOW; // Goes high when slots 1 thru 6 contain normal keys +// slot 1 thru slot 6 hold the normal key values to be sent over USB. +int slot1 = 0; //value of 0 means the slot is empty and can be used. +int slot2 = 0; +int slot3 = 0; +int slot4 = 0; +int slot5 = 0; +int slot6 = 0; +// +int mod_shift_l = 0; // These variables are sent over USB as modifier keys. +int mod_shift_r = 0; // Each is either set to 0 or MODIFIER_ ... +int mod_ctrl_l = 0; +int mod_ctrl_r = 0; +int mod_alt_l = 0; +int mod_alt_r = 0; +int mod_gui = 0; +// +// Function to load the key name into the first available slot +void load_slot(int key) { + if (!slot1) { + slot1 = key; + } + else if (!slot2) { + slot2 = key; + } + else if (!slot3) { + slot3 = key; + } + else if (!slot4) { + slot4 = key; + } + else if (!slot5) { + slot5 = key; + } + else if (!slot6) { + slot6 = key; + } + if (!slot1 || !slot2 || !slot3 || !slot4 || !slot5 || !slot6) { + slots_full = LOW; // slots are not full + } + else { + slots_full = HIGH; // slots are full + } +} +// +// Function to clear the slot that contains the key name +void clear_slot(int key) { + if (slot1 == key) { + slot1 = 0; + } + else if (slot2 == key) { + slot2 = 0; + } + else if (slot3 == key) { + slot3 = 0; + } + else if (slot4 == key) { + slot4 = 0; + } + else if (slot5 == key) { + slot5 = 0; + } + else if (slot6 == key) { + slot6 = 0; + } + if (!slot1 || !slot2 || !slot3 || !slot4 || !slot5 || !slot6) { + slots_full = LOW; // slots are not full + } + else { + slots_full = HIGH; // slots are full + } +} +// +// Function to load the modifier key name into the appropriate mod variable +void load_mod(int m_key) { + if (m_key == MODIFIERKEY_LEFT_SHIFT) { + mod_shift_l = m_key; + } + else if (m_key == MODIFIERKEY_RIGHT_SHIFT) { + mod_shift_r = m_key; + } + else if (m_key == MODIFIERKEY_LEFT_CTRL) { + mod_ctrl_l = m_key; + } + else if (m_key == MODIFIERKEY_RIGHT_CTRL) { + mod_ctrl_r = m_key; + } + else if (m_key == MODIFIERKEY_LEFT_ALT) { + mod_alt_l = m_key; + } + else if (m_key == MODIFIERKEY_RIGHT_ALT) { + mod_alt_r = m_key; + } + else if (m_key == MODIFIERKEY_GUI) { + mod_gui = m_key; + } +} +// +// Function to load 0 into the appropriate mod variable +void clear_mod(int m_key) { + if (m_key == MODIFIERKEY_LEFT_SHIFT) { + mod_shift_l = 0; + } + else if (m_key == MODIFIERKEY_RIGHT_SHIFT) { + mod_shift_r = 0; + } + else if (m_key == MODIFIERKEY_LEFT_CTRL) { + mod_ctrl_l = 0; + } + else if (m_key == MODIFIERKEY_RIGHT_CTRL) { + mod_ctrl_r = 0; + } + else if (m_key == MODIFIERKEY_LEFT_ALT) { + mod_alt_l = 0; + } + else if (m_key == MODIFIERKEY_RIGHT_ALT) { + mod_alt_r = 0; + } + else if (m_key == MODIFIERKEY_GUI) { + mod_gui = 0; + } +} +// +// Function to send the modifier keys over usb +void send_mod() { + Keyboard.set_modifier(mod_shift_l | mod_shift_r | mod_ctrl_l | mod_ctrl_r | mod_alt_l | mod_alt_r | mod_gui); + Keyboard.send_now(); +} +// +// Function to send the normal keys in the 6 slots over usb +void send_normals() { + Keyboard.set_key1(slot1); + Keyboard.set_key2(slot2); + Keyboard.set_key3(slot3); + Keyboard.set_key4(slot4); + Keyboard.set_key5(slot5); + Keyboard.set_key6(slot6); + Keyboard.send_now(); +} +// +// Function to set a pin to high impedance (acts like open drain output) +void go_z(int pin) +{ + pinMode(pin, INPUT); + digitalWrite(pin, HIGH); +} +// +// Function to set a pin as an input with a pullup +void go_pu(int pin) +{ + pinMode(pin, INPUT_PULLUP); + digitalWrite(pin, HIGH); +} +// +// Function to send a pin to a logic low +void go_0(int pin) +{ + pinMode(pin, OUTPUT); + 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 +} diff --git a/Example_Keyboards/Lenovo_G550/README.md b/Example_Keyboards/Lenovo_G550/README.md new file mode 100644 index 0000000..e3e360d --- /dev/null +++ b/Example_Keyboards/Lenovo_G550/README.md @@ -0,0 +1,8 @@ +The driver works perfect for this keyboard but I have a problem. +The problem is when using non english keyboard layout. +Whe I use **Marcel's Python matrix generator program** I must press keys as I were using english layout keyboard (mine is spanish layout) and then in Windows, selecting my language layout (spanish) everything is ok (locale symbols shows ok, i.e. 'ñ', '¿', '¡') but: +Spanish keyboard layout (phisical layout) is different from EN layout (there is a key between left shift key and 'Z' key, but there is only two keys between 'P' key and 'Enter' key. +This has some negative consequences: +- The most right key between 'L' key and 'Enter' key, marked in my keyboard whith symbos 'ç', 'Ç' and '}' doesn't work, when pressed, nothing happens. +- The key between left shift and 'Z' key is marked with '<' and '>' symbols but when pressed, it shows symbos for key described above, the key that doesn't work. +- '<' and '>' symbols can't be entered with any key (only using ALT+60 and ALT+62, of course) \ No newline at end of file