From 7fbea9927e3930d3e08ae75cb9d0ed18db4005c4 Mon Sep 17 00:00:00 2001 From: Frank Adams Date: Wed, 12 Feb 2020 12:37:55 -0800 Subject: [PATCH] Add files via upload --- T Caschera Keyboard files/q10_keypad.ino | 431 +++++++++++++++++++++++ 1 file changed, 431 insertions(+) create mode 100644 T Caschera Keyboard files/q10_keypad.ino diff --git a/T Caschera Keyboard files/q10_keypad.ino b/T Caschera Keyboard files/q10_keypad.ino new file mode 100644 index 0000000..8b24451 --- /dev/null +++ b/T Caschera Keyboard files/q10_keypad.ino @@ -0,0 +1,431 @@ +/* Copyright 2018 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. +*/ +// +#define MODIFIERKEY_FN 0x8f // give Fn key a HID code +#define CAPS_LED 13 // Teensy LED shows Caps-Lock + +#define KEY_HASHTILDE 0x32 +#define KEY_KPLEFTPAREN 0xb6 // Keypad { +#define KEY_KPRIGHTPAREN 0xb7 // Keypad ) +#define KEY_AT 0xce // Keypad @ +#define KEY_EXCL 0xcf // Keypad ! +#define KEY_COLON 0xcb // Keypad : +#define KEY_APOSTROPHE 0x34 +#define KEY_QQUOTE 0x34 +#define KEY_UNDER 0x01 // _ +#define KEY_QUEST 0x38 // _ +// +const byte rows_max = 7; // sets the number of rows in the matrix +const byte cols_max = 5; // 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] = { + {KEY_Q,KEY_E,KEY_R,KEY_U,KEY_O}, + {KEY_W,KEY_S,KEY_G,KEY_H,KEY_L}, + {0,KEY_D,KEY_T,KEY_Y,KEY_I}, + {KEY_A,KEY_P,0,KEY_ENTER,KEY_BACKSPACE}, + {0,KEY_X,KEY_V,KEY_B,0}, + {KEY_SPACE,KEY_Z,KEY_C,KEY_N,KEY_M}, + {KEY_ESC,0,KEY_F,KEY_J,KEY_K} +}; +// 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}, + {MODIFIERKEY_FN,0,0,0,0}, + {0,0,MODIFIERKEY_RIGHT_SHIFT,0,0}, + {MODIFIERKEY_LEFT_ALT,0,0,0,MODIFIERKEY_RIGHT_CTRL}, + {0,0,0,0,0}, + {0,MODIFIERKEY_LEFT_SHIFT,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] = { + {KEY_HASHTILDE,KEY_2,KEY_3,KEY_UNDER,KEYPAD_PLUS}, + {KEY_1,KEY_4,KEY_SLASH,KEY_COLON,KEY_QQUOTE}, + {0,KEY_5,KEY_KPLEFTPAREN,KEY_KPRIGHTPAREN,KEY_MINUS}, + {KEYPAD_ASTERIX,KEY_AT,0,0,KEY_DELETE}, + {0,KEY_8,KEY_QUEST,KEY_EXCL,0}, + {0,KEY_7,KEY_9,KEY_COMMA,KEY_PERIOD}, + {KEY_0,0,KEY_6,KEY_SEMICOLON,KEY_QUOTE} +}; +// 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} +}; +// +// Define the Teensy LC I/O numbers (translated from the FPC pin #) +int Row_IO[rows_max] = {4,6,18,20,21,22,23}; // Teensy LC I/O numbers for rows +// +int Col_IO[cols_max] = {5,7,8,17,19}; // 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; + } + slots_full = LOW; +} +// +// 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 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])) { // check if key is pressed and was not previously pressed + 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 + if (media[x][y] == KEY_AT) { + Keyboard.press(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + Keyboard.press(KEY_2); + delay(5); + Keyboard.release(KEY_2); + delay(5); + Keyboard.release(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + } + else if (media[x][y] == KEY_HASHTILDE) { + Keyboard.press(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + Keyboard.press(KEY_3); + delay(5); + Keyboard.release(KEY_3); + delay(5); + Keyboard.release(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + } + else if (media[x][y] == KEY_UNDER) { + Keyboard.press(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + Keyboard.press(KEY_MINUS); + delay(5); + Keyboard.release(KEY_MINUS); + delay(5); + Keyboard.release(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + } + else if (media[x][y] == KEY_COLON) { + Keyboard.press(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + Keyboard.press(KEY_SEMICOLON); + delay(5); + Keyboard.release(KEY_SEMICOLON); + delay(5); + Keyboard.release(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + } + else if (media[x][y] == KEY_KPLEFTPAREN) { + Keyboard.press(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + Keyboard.press(KEY_9); + delay(5); + Keyboard.release(KEY_9); + delay(5); + Keyboard.release(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + } + else if (media[x][y] == KEY_KPRIGHTPAREN) { + Keyboard.press(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + Keyboard.press(KEY_0); + delay(5); + Keyboard.release(KEY_0); + delay(5); + Keyboard.release(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + } + else if (media[x][y] == KEY_QUEST) { + Keyboard.press(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + Keyboard.press(KEY_SLASH); + delay(5); + Keyboard.release(KEY_SLASH); + delay(5); + Keyboard.release(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + } + else if (media[x][y] == KEY_EXCL) { + Keyboard.press(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + Keyboard.press(KEY_1); + delay(5); + Keyboard.release(KEY_1); + delay(5); + Keyboard.release(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + } + else if (media[x][y] == KEY_QQUOTE) { + Keyboard.press(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + Keyboard.press(KEY_QUOTE); + delay(5); + Keyboard.release(KEY_QUOTE); + delay(5); + Keyboard.release(MODIFIERKEY_RIGHT_SHIFT); + delay(5); + } + else { + 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 +}