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338
Teensy_Continuity_Tester/Matrix_Decoder_3p2_alternate.ino
Normal file
338
Teensy_Continuity_Tester/Matrix_Decoder_3p2_alternate.ino
Normal file
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@ -0,0 +1,338 @@
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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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// Revision History
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// Rev 1.00 - April 18, 2020 - Original Release - modified from Matrix_Decoder_T61
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// This software is an alternate method to scan the FPC connector pins.
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// If you run the original Matrix_Decoder_3p2 code and find 2 interior pins are always tied together, you cannot
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// exclude those pins by changing the min_pin or the max_pin values. To handle 2 interior pins that are tied together,
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// this program only scans the Teensy I/O's in the con_pin[] matrix defined below.
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//
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// ********Note that this program reports the Teensy I/O numbers over USB, not the FPC pin numbers*****************
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// The FPC pins are connected to the Teensy I/O's as follows:
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// FPC 01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34
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// I/O 23,00,22,01,21,02,20,03,19,04,18,05,17,06,24,07,25,08,33,09,26,10,27,11,28,12,32,31,30,29,16,15,14,13
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// Load the con_pin array with the Teensy 3.2 I/O numbers that correspond to the FPC pins from left to right that you want to scan.
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// Do not include the I/O numbers that correspond to the FPC pins that are shorted together.
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// If you have a 34 pin cable, you need to free up I/O 13 by removing the LED on the Teensy board, then add ,13 to the array.
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int con_pin[] = {23,0,22,1,21,2,20,3,19,4,18,5,17,6,24,7,25,8,33,9,26,10,27,11,28,12,32,31,30,29,16,15,14}; // Add ,13 if no LED
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//
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int total = 33; // The total number of I/O's listed in con_pin[]
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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 0 thru 33
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{
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switch (num) {
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case 0:
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Keyboard.set_key1(key_0);
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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_1);
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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_2);
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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_3);
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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_4);
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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_5);
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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_6);
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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_7);
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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_8);
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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_9);
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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(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 11:
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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 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_2);
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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_3);
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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_4);
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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_5);
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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_6);
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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_7);
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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_8);
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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_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 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_0);
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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(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 22:
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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 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_3);
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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_4);
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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_5);
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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_6);
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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_7);
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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_8);
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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_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 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_0);
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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_1);
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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(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 33:
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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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}
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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); // release 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 < total; k++) { // loop thru all row-column 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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// -------------------------------------------Main Loop--------------------------------------
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//
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void loop() {
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//
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//
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for (int i=0; i<total-1; i++) { // outer loop index
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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<total; j++) { // inner loop index
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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(con_pin[i]); // send outer loop I/O number over usb
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usb_num(con_pin[j]); // send inner loop I/O 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
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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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//
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delay(25); // overall keyboard scan rate is about 30 milliseconds
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//
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}
|
338
Teensy_Continuity_Tester/Matrix_Decoder_4p0_alternate.ino
Normal file
338
Teensy_Continuity_Tester/Matrix_Decoder_4p0_alternate.ino
Normal file
|
@ -0,0 +1,338 @@
|
|||
/*
|
||||
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.
|
||||
*/
|
||||
// Revision History
|
||||
// Rev 1.00 - April 18, 2020 - Original Release - modified from Matrix_Decoder_T61
|
||||
|
||||
// This software is an alternate method to scan the FPC connector pins.
|
||||
// If you run the original Matrix_Decoder_4p0 code and find 2 interior pins are always tied together, you cannot
|
||||
// exclude those pins by changing the min_pin or the max_pin values. To handle 2 interior pins that are tied together,
|
||||
// this program only scans the Teensy I/O's in the con_pin[] matrix defined below.
|
||||
//
|
||||
// ********Note that this program reports the Teensy I/O numbers over USB, not the FPC pin numbers*****************
|
||||
|
||||
// The FPC pins are connected to the Teensy I/O's as follows:
|
||||
// FPC 01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34
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// I/O 23,00,22,01,21,02,20,03,19,04,18,05,17,06,29,07,31,08,33,09,32,10,30,11,28,12,27,26,25,24,16,15,14,13
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|
||||
// Load the con_pin array with the Teensy 4.0 I/O numbers that correspond to the FPC pins from left to right that you want to scan.
|
||||
// Do not include the I/O numbers that correspond to the FPC pins that are shorted together.
|
||||
// If you have a 34 pin cable, you need to free up I/O 13 by removing the LED on the Teensy board, then add ,13 to the array.
|
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int con_pin[] = {23,0,22,1,21,2,20,3,19,4,18,5,17,6,29,7,31,8,33,9,32,10,30,11,28,12,27,26,25,24,16,15,14}; // Add ,13 if no LED
|
||||
//
|
||||
int total = 33; // The total number of I/O's listed in con_pin[]
|
||||
|
||||
// load the key codes used in sending usb numbers, tab, and down arrow
|
||||
int key_1 = KEY_1;
|
||||
int key_2 = KEY_2;
|
||||
int key_3 = KEY_3;
|
||||
int key_4 = KEY_4;
|
||||
int key_5 = KEY_5;
|
||||
int key_6 = KEY_6;
|
||||
int key_7 = KEY_7;
|
||||
int key_8 = KEY_8;
|
||||
int key_9 = KEY_9;
|
||||
int key_0 = KEY_0;
|
||||
int key_tab = KEY_TAB;
|
||||
int key_down = KEY_DOWN;
|
||||
//
|
||||
// Function to set a pin as an input with a pullup so it's high unless grounded by a key press
|
||||
void go_z(int pin)
|
||||
{
|
||||
pinMode(pin, INPUT_PULLUP);
|
||||
digitalWrite(pin, HIGH);
|
||||
}
|
||||
|
||||
// Function to set a pin as an output and drive it to a logic low (0 volts)
|
||||
void go_0(int pin)
|
||||
{
|
||||
pinMode(pin, OUTPUT);
|
||||
digitalWrite(pin, LOW);
|
||||
}
|
||||
|
||||
// Function to send numbers over USB for display on an editor
|
||||
void usb_num(int num) // the numbers 0 thru 33 are sent over usb as 0 thru 33
|
||||
{
|
||||
switch (num) {
|
||||
case 0:
|
||||
Keyboard.set_key1(key_0);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 1:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 2:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 3:
|
||||
Keyboard.set_key1(key_3);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 4:
|
||||
Keyboard.set_key1(key_4);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 5:
|
||||
Keyboard.set_key1(key_5);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 6:
|
||||
Keyboard.set_key1(key_6);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 7:
|
||||
Keyboard.set_key1(key_7);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 8:
|
||||
Keyboard.set_key1(key_8);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 9:
|
||||
Keyboard.set_key1(key_9);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 10:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_0);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 11:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key1(0);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key2(key_1);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 12:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_2);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 13:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_3);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 14:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_4);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 15:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_5);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 16:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_6);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 17:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_7);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 18:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_8);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 19:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_9);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 20:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_0);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 21:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_1);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 22:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key1(0);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key2(key_2);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 23:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_3);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 24:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_4);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 25:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_5);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 26:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_6);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 27:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_7);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 28:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_8);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 29:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_9);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 30:
|
||||
Keyboard.set_key1(key_3);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_0);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 31:
|
||||
Keyboard.set_key1(key_3);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_1);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 32:
|
||||
Keyboard.set_key1(key_3);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_2);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 33:
|
||||
Keyboard.set_key1(key_3);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key1(0);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key2(key_3);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
}
|
||||
delay(20);
|
||||
Keyboard.set_key1(0); // clear out the key slots
|
||||
Keyboard.set_key2(0);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key1(key_tab); // Tab over to position for next number
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key1(0); // clear out the tab from the slot
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
}
|
||||
|
||||
// Function to send a down arrow over usb to position for the next key
|
||||
void down_arrow(void) {
|
||||
Keyboard.set_key1(key_down); // send a down arrow
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key1(0); // release the down arrow
|
||||
Keyboard.send_now();
|
||||
}
|
||||
|
||||
// --------------------------------------------------Setup-----------------------------------
|
||||
void setup() {
|
||||
for (int k = 0; k < total; k++) { // loop thru all row-column pins
|
||||
go_z(con_pin[k]); // set each pin as an input with a pullup
|
||||
}
|
||||
delay(15000); // Wait for the host to connect to the Teensy as a keyboard. If 2 pins are shorted,
|
||||
// you want the host to be ready to receive the pin numbers.
|
||||
}
|
||||
//
|
||||
// -------------------------------------------Main Loop--------------------------------------
|
||||
//
|
||||
void loop() {
|
||||
//
|
||||
//
|
||||
for (int i=0; i<total-1; i++) { // outer loop index
|
||||
go_0(con_pin[i]); // make the outer loop pin an output and send this pin low
|
||||
for (int j=i+1; j<total; j++) { // inner loop index
|
||||
delayMicroseconds(10); // give time to let the signals settle out
|
||||
if (!digitalRead(con_pin[j])) { // check for connection between inner and outer pins
|
||||
usb_num(con_pin[i]); // send outer loop I/O number over usb
|
||||
usb_num(con_pin[j]); // send inner loop I/O number over usb
|
||||
down_arrow(); // send a down arrow over usb
|
||||
while(!digitalRead(con_pin[j])) { // wait until key is released
|
||||
; // if 2 pins are shorted, the code will hang here
|
||||
}
|
||||
}
|
||||
}
|
||||
go_z(con_pin[i]); // return the outer loop pin to float with pullup
|
||||
}
|
||||
//
|
||||
//
|
||||
delay(25); // overall keyboard scan rate is about 30 milliseconds
|
||||
//
|
||||
}
|
338
Teensy_Continuity_Tester/Matrix_Decoder_LC_alternate.ino
Normal file
338
Teensy_Continuity_Tester/Matrix_Decoder_LC_alternate.ino
Normal file
|
@ -0,0 +1,338 @@
|
|||
/*
|
||||
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.
|
||||
*/
|
||||
// Revision History
|
||||
// Rev 1.00 - April 18, 2020 - Original Release - modified from Matrix_Decoder_T61_LC
|
||||
|
||||
// This software is an alternate method to scan the FPC connector pins.
|
||||
// If you run the original Matrix_Decoder_LC code and find 2 interior pins are always tied together, you cannot
|
||||
// exclude those pins by changing the min_pin or the max_pin values. To handle 2 interior pins that are tied together,
|
||||
// this program only scans the Teensy I/O's in the con_pin[] matrix defined below.
|
||||
//
|
||||
// ********Note that this program reports the Teensy I/O numbers over USB, not the FPC pin numbers*****************
|
||||
|
||||
// The FPC pins are connected to the Teensy I/O's as follows:
|
||||
// FPC 01,02,03,04,05,06,07,08,09,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26
|
||||
// I/O 23,00,22,01,24,02,21,03,25,04,20,05,19,06,18,07,17,08,16,09,15,10,14,11,26,12
|
||||
|
||||
// Load the con_pin array with the Teensy LC I/O numbers that correspond to the FPC pins from left to right that you want to scan.
|
||||
// Do not include the I/O numbers that correspond to the FPC pins that are shorted together.
|
||||
int con_pin[] = {23,0,22,1,24,2,21,3,25,4,20,5,19,6,18,7,17,8,16,9,15,10,14,11,26,12};
|
||||
//
|
||||
int total = 26; // The total number of I/O's listed in con_pin[]
|
||||
|
||||
//
|
||||
// load the key codes used in sending usb numbers, tab, and down arrow
|
||||
int key_1 = KEY_1;
|
||||
int key_2 = KEY_2;
|
||||
int key_3 = KEY_3;
|
||||
int key_4 = KEY_4;
|
||||
int key_5 = KEY_5;
|
||||
int key_6 = KEY_6;
|
||||
int key_7 = KEY_7;
|
||||
int key_8 = KEY_8;
|
||||
int key_9 = KEY_9;
|
||||
int key_0 = KEY_0;
|
||||
int key_tab = KEY_TAB;
|
||||
int key_down = KEY_DOWN;
|
||||
//
|
||||
// Function to set a pin as an input with a pullup so it's high unless grounded by a key press
|
||||
void go_z(int pin)
|
||||
{
|
||||
pinMode(pin, INPUT_PULLUP);
|
||||
digitalWrite(pin, HIGH);
|
||||
}
|
||||
|
||||
// Function to set a pin as an output and drive it to a logic low (0 volts)
|
||||
void go_0(int pin)
|
||||
{
|
||||
pinMode(pin, OUTPUT);
|
||||
digitalWrite(pin, LOW);
|
||||
}
|
||||
|
||||
// Function to send numbers over USB for display on an editor
|
||||
void usb_num(int num) // the numbers 0 thru 33 are sent over usb as 0 thru 33
|
||||
{
|
||||
switch (num) {
|
||||
case 0:
|
||||
Keyboard.set_key1(key_0);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 1:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 2:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 3:
|
||||
Keyboard.set_key1(key_3);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 4:
|
||||
Keyboard.set_key1(key_4);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 5:
|
||||
Keyboard.set_key1(key_5);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 6:
|
||||
Keyboard.set_key1(key_6);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 7:
|
||||
Keyboard.set_key1(key_7);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 8:
|
||||
Keyboard.set_key1(key_8);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 9:
|
||||
Keyboard.set_key1(key_9);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 10:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_0);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 11:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key1(0);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key2(key_1);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 12:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_2);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 13:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_3);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 14:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_4);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 15:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_5);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 16:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_6);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 17:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_7);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 18:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_8);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 19:
|
||||
Keyboard.set_key1(key_1);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_9);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 20:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_0);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 21:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_1);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 22:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key1(0);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key2(key_2);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 23:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_3);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 24:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_4);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 25:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_5);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 26:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_6);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 27:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_7);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 28:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_8);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 29:
|
||||
Keyboard.set_key1(key_2);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_9);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 30:
|
||||
Keyboard.set_key1(key_3);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_0);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 31:
|
||||
Keyboard.set_key1(key_3);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_1);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 32:
|
||||
Keyboard.set_key1(key_3);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key2(key_2);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
case 33:
|
||||
Keyboard.set_key1(key_3);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key1(0);
|
||||
Keyboard.send_now();
|
||||
delay(50);
|
||||
Keyboard.set_key2(key_3);
|
||||
Keyboard.send_now();
|
||||
break;
|
||||
}
|
||||
delay(20);
|
||||
Keyboard.set_key1(0); // clear out the key slots
|
||||
Keyboard.set_key2(0);
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key1(key_tab); // Tab over to position for next number
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key1(0); // clear out the tab from the slot
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
}
|
||||
|
||||
// Function to send a down arrow over usb to position for the next key
|
||||
void down_arrow(void) {
|
||||
Keyboard.set_key1(key_down); // send a down arrow
|
||||
Keyboard.send_now();
|
||||
delay(20);
|
||||
Keyboard.set_key1(0); // release the down arrow
|
||||
Keyboard.send_now();
|
||||
}
|
||||
|
||||
// --------------------------------------------------Setup-----------------------------------
|
||||
void setup() {
|
||||
for (int k = 0; k < total; k++) { // loop thru all connector pins
|
||||
go_z(con_pin[k]); // set each pin as an input with a pullup
|
||||
}
|
||||
delay(15000); // Wait for the host to connect to the Teensy as a keyboard. If 2 pins are shorted,
|
||||
// you want the host to be ready to receive the pin numbers.
|
||||
}
|
||||
//
|
||||
// -------------------------------------------Main Loop--------------------------------------
|
||||
//
|
||||
void loop() {
|
||||
//
|
||||
//
|
||||
for (int i=0; i<total-1; i++) { // outer loop index
|
||||
go_0(con_pin[i]); // make the outer loop pin an output and send this pin low
|
||||
for (int j=i+1; j<total; j++) { // inner loop index
|
||||
delayMicroseconds(10); // give time to let the signals settle out
|
||||
if (!digitalRead(con_pin[j])) { // check for connection between inner and outer pins
|
||||
usb_num(con_pin[i]); // send outer loop I/O number over usb
|
||||
usb_num(con_pin[j]); // send inner loop I/O number over usb
|
||||
down_arrow(); // send a down arrow over usb
|
||||
while(!digitalRead(con_pin[j])) { // wait until key is released
|
||||
; // if 2 pins are shorted, the code will hang here
|
||||
}
|
||||
}
|
||||
}
|
||||
go_z(con_pin[i]); // return the outer loop pin to float with pullup
|
||||
}
|
||||
//
|
||||
//
|
||||
delay(25); // overall keyboard scan rate is about 30 milliseconds
|
||||
//
|
||||
}
|
Loading…
Reference in a new issue