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380
Example_Keyboards/Zenith Supersport/Matrix_Decoder_LC_Zenith.ino
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380
Example_Keyboards/Zenith Supersport/Matrix_Decoder_LC_Zenith.ino
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/*
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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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// It will determine how a laptop keyboard matrix is wired using a Teensy LC on a Zenith Supersport FPC daughterboard .
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// Open an editor on a computer and load or create a file that lists every key
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// on the laptop keyboard that will be tested. Connect the FPC cable of the test keyboard
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// to the Teensy/FPC board. Connect a USB cable from the Teensy to the computer.
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// Wait 20 seconds for the computer to see the Teensy as a keyboard. If numbers are reported on the screen
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// before any keys are pressed, these pin numbers are shorted together and must be fixed.
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// Press each key one by one on the test keyboard as listed on the editor screen. When a key
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// is pressed on the test keyboard, the program detects which two pins on the FPC connector
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// were connected. Those two pin numbers are sent over USB (separated by a TAB) and displayed
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// on the editor. After sending the numbers, a DOWN ARROW is sent over USB to prepare for
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// the next key. Once all keys on the test keyboard have been pressed, the file in
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// the editor can be saved to create a row-column matrix.
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//
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// If your keyboard has diodes, you must pay attention to the order of the two pins that are reported by the Teensy. The code performs
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// a bottom up test first, followed by a top down test so that one of the two tests will forward bias the diode.
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// The first pin reported over USB is the cathode side and the second pin is the anode side. The diode direction must be taken into
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// account when programming the TMK or Teensyduino keyboard routine.
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//
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// Revision History
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// Rev 1.00 - June 6, 2020 - Original Release
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//
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// Load an array with the Teensy LC I/O numbers that correspond to FPC pins 1 thru 26.
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int con_pin[] = {12, 11, 10, 15, 9, 8, 7, 18, 6, 19, 20, 4, 25, 3, 2, 1, 22, 0};
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//
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// Define maximum and minimum pin numbers that will be tested.
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//
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int max_pin = 18; // the last pin to be tested on the FPC connector
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int min_pin = 1; // the first pin to be tested on the FPC connector
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//
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// load the key codes used in sending usb numbers, tab, and down arrow
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int key_1 = KEY_1;
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int key_2 = KEY_2;
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int key_3 = KEY_3;
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int key_4 = KEY_4;
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int key_5 = KEY_5;
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int key_6 = KEY_6;
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int key_7 = KEY_7;
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int key_8 = KEY_8;
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int key_9 = KEY_9;
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int key_0 = KEY_0;
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int key_tab = KEY_TAB;
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int key_down = KEY_DOWN;
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//
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// Function to set a pin as an input with a pullup so it's high unless grounded by a key press
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void go_z(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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// Function to set a pin as an output and drive it to a logic low (0 volts)
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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);
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}
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// Function to send numbers over USB for display on an editor
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void usb_num(int num) // the numbers 0 thru 33 are sent over usb as 1 thru 34
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{
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switch (num) {
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case 0:
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Keyboard.set_key1(key_1);
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Keyboard.send_now();
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break;
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case 1:
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Keyboard.set_key1(key_2);
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Keyboard.send_now();
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break;
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case 2:
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Keyboard.set_key1(key_3);
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Keyboard.send_now();
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break;
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case 3:
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Keyboard.set_key1(key_4);
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Keyboard.send_now();
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break;
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case 4:
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Keyboard.set_key1(key_5);
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Keyboard.send_now();
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break;
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case 5:
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Keyboard.set_key1(key_6);
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Keyboard.send_now();
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break;
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case 6:
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Keyboard.set_key1(key_7);
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Keyboard.send_now();
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break;
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case 7:
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Keyboard.set_key1(key_8);
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Keyboard.send_now();
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break;
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case 8:
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Keyboard.set_key1(key_9);
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Keyboard.send_now();
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break;
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case 9:
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Keyboard.set_key1(key_1);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_0);
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Keyboard.send_now();
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break;
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case 10:
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Keyboard.set_key1(key_1);
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Keyboard.send_now();
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delay(50);
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Keyboard.set_key1(0);
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Keyboard.send_now();
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delay(50);
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Keyboard.set_key2(key_1);
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Keyboard.send_now();
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break;
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case 11:
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Keyboard.set_key1(key_1);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_2);
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Keyboard.send_now();
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break;
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case 12:
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Keyboard.set_key1(key_1);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_3);
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Keyboard.send_now();
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break;
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case 13:
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Keyboard.set_key1(key_1);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_4);
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Keyboard.send_now();
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break;
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case 14:
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Keyboard.set_key1(key_1);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_5);
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Keyboard.send_now();
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break;
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case 15:
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Keyboard.set_key1(key_1);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_6);
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Keyboard.send_now();
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break;
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case 16:
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Keyboard.set_key1(key_1);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_7);
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Keyboard.send_now();
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break;
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case 17:
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Keyboard.set_key1(key_1);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_8);
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Keyboard.send_now();
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break;
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case 18:
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Keyboard.set_key1(key_1);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_9);
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Keyboard.send_now();
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break;
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case 19:
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Keyboard.set_key1(key_2);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_0);
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Keyboard.send_now();
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break;
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case 20:
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Keyboard.set_key1(key_2);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_1);
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Keyboard.send_now();
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break;
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case 21:
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Keyboard.set_key1(key_2);
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Keyboard.send_now();
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delay(50);
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Keyboard.set_key1(0);
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Keyboard.send_now();
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delay(50);
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Keyboard.set_key2(key_2);
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Keyboard.send_now();
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break;
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case 22:
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Keyboard.set_key1(key_2);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_3);
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Keyboard.send_now();
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break;
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case 23:
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Keyboard.set_key1(key_2);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_4);
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Keyboard.send_now();
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break;
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case 24:
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Keyboard.set_key1(key_2);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_5);
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Keyboard.send_now();
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break;
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case 25:
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Keyboard.set_key1(key_2);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_6);
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Keyboard.send_now();
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break;
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case 26:
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Keyboard.set_key1(key_2);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_7);
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Keyboard.send_now();
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break;
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case 27:
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Keyboard.set_key1(key_2);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_8);
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Keyboard.send_now();
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break;
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case 28:
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Keyboard.set_key1(key_2);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_9);
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Keyboard.send_now();
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break;
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case 29:
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Keyboard.set_key1(key_3);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_0);
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Keyboard.send_now();
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break;
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case 30:
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Keyboard.set_key1(key_3);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_1);
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Keyboard.send_now();
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break;
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case 31:
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Keyboard.set_key1(key_3);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_2);
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Keyboard.send_now();
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break;
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case 32:
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Keyboard.set_key1(key_3);
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Keyboard.send_now();
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delay(50);
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Keyboard.set_key1(0);
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Keyboard.send_now();
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delay(50);
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Keyboard.set_key2(key_3);
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Keyboard.send_now();
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break;
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case 33:
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Keyboard.set_key1(key_3);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key2(key_4);
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Keyboard.send_now();
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break;
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}
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delay(20);
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Keyboard.set_key1(0); // clear out the key slots
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Keyboard.set_key2(0);
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key1(key_tab); // Tab over to position for next number
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key1(0); // clear out the tab from the slot
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Keyboard.send_now();
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delay(20);
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}
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// Function to send a down arrow over usb to position for the next key
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void down_arrow(void) {
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Keyboard.set_key1(key_down); // send a down arrow
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Keyboard.send_now();
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delay(20);
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Keyboard.set_key1(0); // clear the down arrow
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Keyboard.send_now();
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}
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// --------------------------------------------------Setup-----------------------------------
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void setup() {
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for (int k = 0; k < max_pin; k++) { // loop thru all connector pins
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go_z(con_pin[k]); // set each pin as an input with a pullup
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}
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delay(15000); // Wait for the host to connect to the Teensy as a keyboard. If 2 pins are shorted
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// you want the host to be ready to receive the pin numbers.
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}
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//
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int blink_count = 0; // loop counter
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boolean blinky = LOW; // Blink LED state
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// -------------------------------------------Main Loop--------------------------------------
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//
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void loop() {
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//
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// ***********Bottom up Test************
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//
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for (int i=min_pin-1; i<max_pin-1; i++) { // outer loop pin (min_pin-1 is typically = 0)
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go_0(con_pin[i]); // make the outer loop pin an output and send this pin low
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for (int j=i+1; j<max_pin; j++) { // inner loop pin
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delayMicroseconds(10); // give time to let the signals settle out
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if (!digitalRead(con_pin[j])) { // check for connection between inner and outer pins
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usb_num(i); // send outer loop pin number over usb
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usb_num(j); // send inner loop pin number over usb
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down_arrow(); // send a down arrow over usb
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while(!digitalRead(con_pin[j])) { // wait until key is released
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; // if 2 pins are shorted, the code will hang here waiting for their release
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}
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}
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}
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go_z(con_pin[i]); // return the outer loop pin to float with pullup
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}
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//
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// *********Top down Test***********
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//
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for (int p=max_pin-1; p>min_pin-1; p--) { // outer loop pin
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go_0(con_pin[p]); // make the outer loop pin an output and send this pin low
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for (int r=p-1; r>=min_pin-1; r--) { // inner loop pin
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delayMicroseconds(10); // give time to let the signals settle out
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if (!digitalRead(con_pin[r])) { // check for connection between inner and outer pins
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usb_num(p); // send outer loop pin number over usb
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usb_num(r); // send inner loop pin number over usb
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down_arrow(); // send a down arrow over usb
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while(!digitalRead(con_pin[r])) { // wait until key is released
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;
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}
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}
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}
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go_z(con_pin[p]); // return the outer loop pin to float with pullup
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}
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//
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// Blink the LED to show the Teensy is alive
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//
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if (blink_count == 0x0a) {
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pinMode(13, OUTPUT);
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digitalWrite(13, blinky);
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blinky = !blinky;
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blink_count = 0;
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}
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else {
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blink_count++;
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}
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delay(25); // overall keyboard scan rate is about 30 milliseconds
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//
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}
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1127
Example_Keyboards/Zenith Supersport/Zenith.brd
Normal file
1127
Example_Keyboards/Zenith Supersport/Zenith.brd
Normal file
File diff suppressed because it is too large
Load diff
2225
Example_Keyboards/Zenith Supersport/Zenith.sch
Normal file
2225
Example_Keyboards/Zenith Supersport/Zenith.sch
Normal file
File diff suppressed because it is too large
Load diff
BIN
Example_Keyboards/Zenith Supersport/Zenith_2020-06-06.zip
Normal file
BIN
Example_Keyboards/Zenith Supersport/Zenith_2020-06-06.zip
Normal file
Binary file not shown.
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