cb2f2fd258
* first [ass at pulling out common duck library functions * use new library in jetfire * use new library in duck lightsaver * use new library in octagon v2 * put Device into the library * refactor send_value * refactor send_value and send_color * use pragma once * use pragma once * use pragma once * use pragma once * rename backlight_led to indicator_leds to match with other duck boards * rename enum * make #define names consistent * rename ducklib to duck_led * update rules.mk ?= to = * put rgb in the correct order * add debounce debugging printouts * turn on bootmagic lite and set it to the top left most key commonly programmed as Escape * add reset key documentation * fix that typo * Update keyboards/duck/duck_led/duck_led.c Co-Authored-By: mechmerlin <30334081+mechmerlin@users.noreply.github.com> * include the correct library
261 lines
6.2 KiB
C
261 lines
6.2 KiB
C
/*
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Copyright 2017 MechMerlin <mechmerlin@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <util/delay.h>
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#include <avr/io.h>
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#include <stdio.h>
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#include "matrix.h"
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#include "util.h"
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#include "print.h"
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#include "debug.h"
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static uint8_t debouncing = DEBOUNCING_DELAY;
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/* matrix state(1:on, 0:off) */
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static matrix_row_t matrix[MATRIX_ROWS];
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static matrix_row_t matrix_debouncing[MATRIX_ROWS];
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static uint8_t read_rows(uint8_t col);
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static void init_rows(void);
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static void unselect_cols(void);
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static void select_col(uint8_t col);
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__attribute__ ((weak))
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void matrix_init_kb(void) {
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matrix_init_user();
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}
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__attribute__ ((weak))
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void matrix_scan_kb(void) {
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matrix_scan_user();
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}
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__attribute__ ((weak))
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void matrix_init_user(void) {
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}
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__attribute__ ((weak))
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void matrix_scan_user(void) {
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}
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void backlight_init_ports(void)
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{
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DDRD |= 0b11010000;
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PORTD &= ~0b01010000;
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PORTD |= 0b10000000;
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DDRB |= 0b00011111;
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PORTB &= ~0b00001110;
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PORTB |= 0b00010001;
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DDRE |= 0b01000000;
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PORTE &= ~0b01000000;
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}
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void matrix_init(void) {
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backlight_init_ports();
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unselect_cols();
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init_rows();
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for (uint8_t i=0; i < MATRIX_ROWS; i++) {
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matrix[i] = 0;
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matrix_debouncing[i] = 0;
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}
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matrix_init_quantum();
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}
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uint8_t matrix_scan(void) {
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for (uint8_t col = 0; col < MATRIX_COLS; col++) {
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select_col(col);
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_delay_us(3);
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uint8_t rows = read_rows(col);
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
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bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col);
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bool curr_bit = rows & (1<<row);
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if (prev_bit != curr_bit) {
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matrix_debouncing[row] ^= ((matrix_row_t)1<<col);
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if (debouncing) {
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dprint("bounce!: "); dprintf("%02X", debouncing); dprintln();
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}
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debouncing = DEBOUNCING_DELAY;
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}
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}
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unselect_cols();
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}
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if (debouncing) {
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if (--debouncing) {
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_delay_ms(1);
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} else {
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for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
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matrix[i] = matrix_debouncing[i];
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}
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}
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}
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matrix_scan_quantum();
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return 1;
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}
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inline matrix_row_t matrix_get_row(uint8_t row) {
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return matrix[row];
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}
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void matrix_print(void) {
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print("\nr/c 0123456789ABCDEF\n");
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
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xprintf("%02X: %032lb\n", row, bitrev32(matrix_get_row(row)));
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}
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}
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/* Row pin configuration
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* row: 0 1 2 3 4 5
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* pin: PB7 PD0 PD1 PD2 PD3 PD5
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*
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* Esc uses its own pin PE2
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*/
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static void init_rows(void) {
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DDRD &= ~0b00101111;
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PORTD &= ~0b00101111;
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DDRB &= ~0b10000000;
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PORTB &= ~0b10000000;
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DDRE &= ~0b00000100;
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PORTE |= 0b00000100;
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}
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static uint8_t read_rows(uint8_t col) {
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return (PIND&(1<<0) ? (1<<0) : 0) |
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(PIND&(1<<1) ? (1<<1) : 0) |
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(PIND&(1<<2) ? (1<<2) : 0) |
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(PIND&(1<<3) ? (1<<3) : 0) |
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(PIND&(1<<5) ? (1<<4) : 0) |
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(PINB&(1<<7) ? (1<<5) : 0) |
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(col==0 ? ((PINE&(1<<2) ? 0 : (1<<2))) : 0);
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}
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uint8_t read_fwkey(void)
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{
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return PINE&(1<<2) ? 0 : (1<<2);
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}
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/* Columns 0 - 15
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* These columns uses two 74HC237D 3 to 8 bit demultiplexers.
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* col / pin: PC6 PB6 PF0 PF1 PC7
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* 0: 1 0 0 0 0
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* 1: 1 0 1 0 0
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* 2: 1 0 0 1 0
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* 3: 1 0 1 1 0
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* 4: 1 0 0 0 1
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* 5: 1 0 1 0 1
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* 6: 1 0 0 1 1
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* 7: 1 0 1 1 1
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* 8: 0 1 0 0 0
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* 9: 0 1 1 0 0
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* 10: 0 1 0 1 0
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* 11: 0 1 1 1 0
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* 12: 0 1 0 0 1
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* 13: 0 1 1 0 1
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* 14: 0 1 0 1 1
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* 15: 0 1 1 1 1
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*
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*/
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static void unselect_cols(void) {
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DDRB |= 0b01000000;
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PORTB &= ~0b01000000;
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DDRC |= 0b11000000;
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PORTC &= ~0b11000000;
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DDRF |= 0b00000011;
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PORTF &= ~0b00000011;
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}
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static void select_col(uint8_t col) {
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switch (col) {
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case 0:
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PORTC |= 0b01000000;
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break;
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case 1:
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PORTC |= 0b01000000;
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PORTF |= 0b00000001;
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break;
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case 2:
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PORTC |= 0b01000000;
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PORTF |= 0b00000010;
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break;
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case 3:
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PORTC |= 0b01000000;
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PORTF |= 0b00000011;
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break;
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case 4:
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PORTC |= 0b11000000;
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break;
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case 5:
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PORTC |= 0b11000000;
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PORTF |= 0b00000001;
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break;
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case 6:
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PORTC |= 0b11000000;
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PORTF |= 0b00000010;
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break;
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case 7:
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PORTC |= 0b11000000;
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PORTF |= 0b00000011;
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break;
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case 8:
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PORTB |= 0b01000000;
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break;
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case 9:
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PORTB |= 0b01000000;
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PORTF |= 0b00000001;
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break;
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case 10:
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PORTB |= 0b01000000;
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PORTF |= 0b00000010;
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break;
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case 11:
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PORTB |= 0b01000000;
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PORTF |= 0b00000011;
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break;
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case 12:
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PORTB |= 0b01000000;
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PORTC |= 0b10000000;
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break;
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case 13:
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PORTB |= 0b01000000;
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PORTF |= 0b00000001;
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PORTC |= 0b10000000;
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break;
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case 14:
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PORTB |= 0b01000000;
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PORTF |= 0b00000010;
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PORTC |= 0b10000000;
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break;
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case 15:
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PORTB |= 0b01000000;
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PORTF |= 0b00000011;
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PORTC |= 0b10000000;
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break;
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}
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}
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