From f24259f19944260a22677ff495ee94cc896ee3e0 Mon Sep 17 00:00:00 2001 From: Frank Adams Date: Thu, 12 Dec 2019 22:15:02 -0800 Subject: [PATCH] Delete 1550.ino --- GRID 1550/1550.ino | 424 --------------------------------------------- 1 file changed, 424 deletions(-) delete mode 100644 GRID 1550/1550.ino diff --git a/GRID 1550/1550.ino b/GRID 1550/1550.ino deleted file mode 100644 index 9391b79..0000000 --- a/GRID 1550/1550.ino +++ /dev/null @@ -1,424 +0,0 @@ -/* Copyright 2019 Frank Adams - 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 GRID 1550 Laptop Keyboard Controller using a Teensy LC -// -// Revision History -// Initial Release Sept 15, 2019 -// -#define MODIFIERKEY_FN 0x8f // give Fn key a fake HID code -#define CAPS_LED 13 // Teensy LED on IO#13 shows Caps-Lock -#define NUM_LED 0 // Teensy IO#0 shows Num-Lock (wire to anode of new LED) -// -const byte rows_max = 11; // sets the number of rows in the matrix -const byte cols_max = 13; // 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] = { - {0,0,0,0,0,KEY_F1,KEY_F2,KEY_F3,KEY_F4,KEY_F5,0,KEY_F9,0}, - {0,0,0,0,KEY_SPACE,0,0,0,0,0,0,0,0}, - {0,0,0,0,0,KEY_ESC,KEY_1,0,KEY_F6,KEY_F7,KEY_F8,KEY_F10,0}, - {0,0,0,0,0,KEY_TAB,KEY_Q,KEY_W,KEY_2,KEY_3,0,KEY_6,0}, - {0,0,0,0,0,KEY_CAPS_LOCK,KEY_A,KEY_S,KEY_E,KEY_4,KEY_5,KEY_7,0}, - {0,0,0,KEY_LEFT,0,0,0,KEY_Z,KEY_F,KEY_D,KEY_8,KEY_9,0}, - {0,0,0,KEY_DOWN,0,0,KEY_X,KEY_C,KEY_G,KEY_R,KEY_T,KEY_0,0}, - {0,0,0,KEY_NUM_LOCK,0,KEY_SCROLL_LOCK,KEY_V,KEY_B,KEY_H,KEY_Y,KEY_U,KEY_MINUS,0}, - {0,0,0,KEY_TILDE,0,KEY_UP,KEY_N,KEY_M,KEY_J,KEY_K,KEY_I,KEY_INSERT,0}, - {0,0,0,KEY_BACKSLASH,0,KEY_RIGHT_BRACE,KEY_COMMA,KEY_BACKSPACE,KEY_L,KEY_DELETE,KEY_O,KEY_EQUAL,0}, - {0,0,0,KEY_RIGHT,0,KEY_ENTER,KEY_SLASH,KEY_PERIOD,KEY_QUOTE,KEY_SEMICOLON,KEY_LEFT_BRACE,KEY_P,0} - -}; -// Load the numlock key matrix with key names at the correct row-column location. -// This matrix is the same as the normal matrix except for the number pad keys -// A zero indicates no numlock key at that location. -int numlock[rows_max][cols_max] = { - {0,0,0,0,0,KEY_F1,KEY_F2,KEY_F3,KEY_F4,KEY_F5,0,KEY_F9,0}, - {0,0,0,0,KEY_SPACE,0,0,0,0,0,0,0,0}, - {0,0,0,0,0,KEY_ESC,KEY_1,0,KEY_F6,KEY_F7,KEY_F8,KEY_F10,0}, - {0,0,0,0,0,KEY_TAB,KEY_Q,KEY_W,KEY_2,KEY_3,0,KEY_6,0}, - {0,0,0,0,0,KEY_CAPS_LOCK,KEY_A,KEY_S,KEY_E,KEY_4,KEY_5,KEYPAD_7,0}, - {0,0,0,KEY_LEFT,0,0,0,KEY_Z,KEY_F,KEY_D,KEYPAD_8,KEYPAD_9,0}, - {0,0,0,KEY_DOWN,0,0,KEY_X,KEY_C,KEY_G,KEY_R,KEY_T,KEYPAD_ASTERIX,0}, - {0,0,0,KEY_NUM_LOCK,0,KEY_SCROLL_LOCK,KEY_V,KEY_B,KEY_H,KEY_Y,KEYPAD_4,KEY_MINUS,0}, - {0,0,0,KEY_TILDE,0,KEY_UP,KEY_N,KEY_M,KEYPAD_1,KEYPAD_2,KEYPAD_5,KEY_INSERT,0}, - {0,0,0,KEY_BACKSLASH,0,KEY_RIGHT_BRACE,KEYPAD_0,KEY_BACKSPACE,KEYPAD_3,KEY_DELETE,KEYPAD_6,KEY_EQUAL,0}, - {0,0,0,KEY_RIGHT,0,KEY_ENTER,KEYPAD_SLASH,KEYPAD_PERIOD,KEY_QUOTE,KEYPAD_PLUS,KEY_LEFT_BRACE,KEYPAD_MINUS,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] = { - {0,0,0,0,0,0,0,0,0,0,0,0,0}, - {MODIFIERKEY_LEFT_SHIFT,MODIFIERKEY_FN,MODIFIERKEY_RIGHT_SHIFT,0,0,0,0,0,0,0,0,0,MODIFIERKEY_LEFT_ALT}, - {0,0,0,0,0,0,0,0,0,0,0,0,0}, - {0,0,0,0,0,0,0,0,0,0,0,0,0}, - {0,0,0,0,0,0,0,0,0,0,0,0,0}, - {0,0,0,0,0,MODIFIERKEY_LEFT_CTRL,0,0,0,0,0,0,0}, - {0,0,0,0,0,MODIFIERKEY_RIGHT_ALT,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} - -}; -// 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,KEY_HOME,0,0,0,0,0,0,0,0,0}, - {0,0,0,KEY_PAGE_DOWN,0,0,0,0,0,0,0,0,0}, - {0,0,0,0,0,KEY_PAUSE,0,0,0,0,0,0,0}, - {0,0,0,0,0,KEY_PAGE_UP,0,0,0,0,0,KEY_F11,0}, - {0,0,0,0,0,0,0,0,0,KEY_F12,0,0,0}, - {0,0,0,KEY_END,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}, - {1,1,1,1,1,1,1,1,1,1,1,1,1}, - {1,1,1,1,1,1,1,1,1,1,1,1,1} - -}; -// -// Define the Teensy LC I/O numbers (translated from the FPC pin #) -// Row FPC pin # 04,06,08,10,12,14,16,18,20,22,24 -// Teensy I/O # 01,02,03,04,05,06,07,08,09,10,11 -int Row_IO[rows_max] = {1,2,3,4,5,6,7,8,9,10,11}; // Teensy LC I/O numbers for rows -// -// Column FPC pin # 01,03,05,07,09,11,13,15,17,19,21,23,26 -// Teensy I/O # 23,22,24,21,25,20,19,18,17,16,15,14,12 -int Col_IO[cols_max] = {23,22,24,21,25,20,19,18,17,16,15,14,12}; // Teensy LC 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 Pi 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 - 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 - if (Fn_pressed) { // only send modifier keys if Fn key is not currently held down - 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 key is already held down so check if right alt key is pressed and send print screen if yes - if (modifier[x][y] == MODIFIERKEY_RIGHT_ALT) { - Keyboard.press(KEY_PRINTSCREEN); - delay(5); - Keyboard.release(KEY_PRINTSCREEN); - delay(5); - } - } - } - 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 pressed and 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 - if (keyboard_leds & 1) { // test if Num Lock is turned on - load_slot(numlock[x][y]); //update first available slot with key name from numlock matrix - send_normals(); // send all slots over USB including the key that just got pressed - } - else { - load_slot(normal[x][y]); //update first available slot with key name from normal matrix - 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 (normal[x][y] == KEY_Z) { // Fn is pressed but no media key so check if KEY_Z is pressed - Keyboard.press(MODIFIERKEY_LEFT_ALT); // Send Alt 92 which gives a backslash - delay(5); - Keyboard.press(KEYPAD_9); - delay(5); - Keyboard.release(KEYPAD_9); - delay(5); - Keyboard.press(KEYPAD_2); - delay(5); - Keyboard.release(KEYPAD_2); - delay(5); - Keyboard.release(MODIFIERKEY_LEFT_ALT); - delay(5); - } - } - 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 - if (keyboard_leds & 1) { // test if Num Lock is turned on - clear_slot(numlock[x][y]); //clear slot with key name from numlock matrix - send_normals(); // send all slots over USB including the key that just got released - } - else { - clear_slot(normal[x][y]); //clear slot with key name from normal matrix - send_normals(); // send all slots over USB including the key that just got 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 - } -// -// Turn on the LED on the Teensy for Num Lock based on bit 0 in the keyboard_leds variable controlled by the USB host computer -// - if (keyboard_leds & 1) { // mask off all bits but D0 and test if set - go_1(NUM_LED); // turn on the Num Lock LED - } - else { - go_0(NUM_LED); // turn off the Num Lock LED - } -// - delay(25); // The overall keyboard scanning rate is about 30ms -}