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-rw-r--r--keyboards/dc01/right/matrix.c378
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diff --git a/keyboards/dc01/right/matrix.c b/keyboards/dc01/right/matrix.c
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--- a/keyboards/dc01/right/matrix.c
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-/*
-Copyright 2012 Jun Wako
-Copyright 2014 Jack Humbert
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-#include <stdint.h>
-#include <stdbool.h>
-#if defined(__AVR__)
-#include <avr/io.h>
-#include <avr/wdt.h>
-#include <avr/interrupt.h>
-#include <util/delay.h>
-#endif
-#include "wait.h"
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "matrix.h"
-#include "timer.h"
-#include "i2c_slave.h"
-#include "lufa.h"
-#include "quantum.h"
-
-#define SLAVE_I2C_ADDRESS 0x32
-
-/* Set 0 if debouncing isn't needed */
-
-#ifndef DEBOUNCE
-# define DEBOUNCE 5
-#endif
-
-#if (DEBOUNCE > 0)
- static uint16_t debouncing_time;
- static bool debouncing = false;
-#endif
-
-#if (MATRIX_COLS <= 8)
-# define print_matrix_header() print("\nr/c 01234567\n")
-# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row))
-# define ROW_SHIFTER ((uint8_t)1)
-#elif (MATRIX_COLS <= 16)
-# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n")
-# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row))
-# define ROW_SHIFTER ((uint16_t)1)
-#elif (MATRIX_COLS <= 32)
-# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n")
-# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row))
-# define ROW_SHIFTER ((uint32_t)1)
-#endif
-
-#ifdef MATRIX_MASKED
- extern const matrix_row_t matrix_mask[];
-#endif
-
-#if (DIODE_DIRECTION == ROW2COL) || (DIODE_DIRECTION == COL2ROW)
-static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS;
-static const uint8_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS;
-#endif
-
-/* matrix state(1:on, 0:off) */
-static matrix_row_t matrix[MATRIX_ROWS];
-
-static matrix_row_t matrix_debouncing[MATRIX_ROWS];
-
-
-#if (DIODE_DIRECTION == COL2ROW)
- static void init_cols(void);
- static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row);
- static void unselect_rows(void);
- static void select_row(uint8_t row);
- static void unselect_row(uint8_t row);
-#elif (DIODE_DIRECTION == ROW2COL)
- static void init_rows(void);
- static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col);
- static void unselect_cols(void);
- static void unselect_col(uint8_t col);
- static void select_col(uint8_t col);
-#endif
-
-__attribute__ ((weak))
-void matrix_init_quantum(void) {
- matrix_init_kb();
-}
-
-__attribute__ ((weak))
-void matrix_scan_quantum(void) {
- matrix_scan_kb();
-}
-
-__attribute__ ((weak))
-void matrix_init_kb(void) {
- matrix_init_user();
-}
-
-__attribute__ ((weak))
-void matrix_scan_kb(void) {
- matrix_scan_user();
-}
-
-__attribute__ ((weak))
-void matrix_init_user(void) {
-}
-
-__attribute__ ((weak))
-void matrix_scan_user(void) {
-}
-
-inline
-uint8_t matrix_rows(void) {
- return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void) {
- return MATRIX_COLS;
-}
-
-void matrix_init(void) {
-
- // initialize row and col
-#if (DIODE_DIRECTION == COL2ROW)
- unselect_rows();
- init_cols();
-#elif (DIODE_DIRECTION == ROW2COL)
- unselect_cols();
- init_rows();
-#endif
-
- // initialize matrix state: all keys off
- for (uint8_t i=0; i < MATRIX_ROWS; i++) {
- matrix[i] = 0;
- matrix_debouncing[i] = 0;
- }
-
- matrix_init_quantum();
-}
-
-uint8_t matrix_scan(void)
-{
-#if (DIODE_DIRECTION == COL2ROW)
-
- // Set row, read cols
- for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
-# if (DEBOUNCE > 0)
- bool matrix_changed = read_cols_on_row(matrix_debouncing, current_row);
-
- if (matrix_changed) {
- debouncing = true;
- debouncing_time = timer_read();
- }
-
-# else
- read_cols_on_row(matrix, current_row);
-# endif
-
- }
-
-#elif (DIODE_DIRECTION == ROW2COL)
-
- // Set col, read rows
- for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) {
-# if (DEBOUNCE > 0)
- bool matrix_changed = read_rows_on_col(matrix_debouncing, current_col);
- if (matrix_changed) {
- debouncing = true;
- debouncing_time = timer_read();
- }
-# else
- read_rows_on_col(matrix, current_col);
-# endif
-
- }
-
-#endif
-
-# if (DEBOUNCE > 0)
- if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCE)) {
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- matrix[i] = matrix_debouncing[i];
- }
- debouncing = false;
- }
-# endif
-
- i2c_slave_reg[1] = 0x55;
- for (uint8_t i = 0; i < MATRIX_ROWS; i++){
- i2c_slave_reg[i+2] = matrix[i]; //send matrix over i2c
- }
-
- matrix_scan_quantum();
- return 1;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & ((matrix_row_t)1<<col));
-}
-
-inline
-matrix_row_t matrix_get_row(uint8_t row)
-{
- // Matrix mask lets you disable switches in the returned matrix data. For example, if you have a
- // switch blocker installed and the switch is always pressed.
-#ifdef MATRIX_MASKED
- return matrix[row] & matrix_mask[row];
-#else
- return matrix[row];
-#endif
-}
-
-void matrix_print(void)
-{
- print_matrix_header();
-
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- print_hex8(row); print(": ");
- print_matrix_row(row);
- print("\n");
- }
-}
-
-#if (DIODE_DIRECTION == COL2ROW)
-
-static void init_cols(void)
-{
- for(uint8_t x = 0; x < MATRIX_COLS; x++) {
- uint8_t pin = col_pins[x];
- _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
- _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
- }
-}
-
-static bool read_cols_on_row(matrix_row_t current_matrix[], uint8_t current_row)
-{
- // Store last value of row prior to reading
- matrix_row_t last_row_value = current_matrix[current_row];
-
- // Clear data in matrix row
- current_matrix[current_row] = 0;
-
- // Select row and wait for row selecton to stabilize
- select_row(current_row);
- wait_us(30);
-
- // For each col...
- for(uint8_t col_index = 0; col_index < MATRIX_COLS; col_index++) {
-
- // Select the col pin to read (active low)
- uint8_t pin = col_pins[col_index];
- uint8_t pin_state = (_SFR_IO8(pin >> 4) & _BV(pin & 0xF));
-
- // Populate the matrix row with the state of the col pin
- current_matrix[current_row] |= pin_state ? 0 : (ROW_SHIFTER << col_index);
- }
-
- // Unselect row
- unselect_row(current_row);
-
- return (last_row_value != current_matrix[current_row]);
-}
-
-static void select_row(uint8_t row)
-{
- uint8_t pin = row_pins[row];
- _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT
- _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW
-}
-
-static void unselect_row(uint8_t row)
-{
- uint8_t pin = row_pins[row];
- _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
- _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
-}
-
-static void unselect_rows(void)
-{
- for(uint8_t x = 0; x < MATRIX_ROWS; x++) {
- uint8_t pin = row_pins[x];
- _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
- _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
- }
-}
-
-#elif (DIODE_DIRECTION == ROW2COL)
-
-static void init_rows(void)
-{
- for(uint8_t x = 0; x < MATRIX_ROWS; x++) {
- uint8_t pin = row_pins[x];
- _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
- _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
- }
-}
-
-static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col)
-{
- bool matrix_changed = false;
-
- // Select col and wait for col selecton to stabilize
- select_col(current_col);
- wait_us(30);
-
- // For each row...
- for(uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++)
- {
-
- // Store last value of row prior to reading
- matrix_row_t last_row_value = current_matrix[row_index];
-
- // Check row pin state
- if ((_SFR_IO8(row_pins[row_index] >> 4) & _BV(row_pins[row_index] & 0xF)) == 0)
- {
- // Pin LO, set col bit
- current_matrix[row_index] |= (ROW_SHIFTER << current_col);
- }
- else
- {
- // Pin HI, clear col bit
- current_matrix[row_index] &= ~(ROW_SHIFTER << current_col);
- }
-
- // Determine if the matrix changed state
- if ((last_row_value != current_matrix[row_index]) && !(matrix_changed))
- {
- matrix_changed = true;
- }
- }
-
- // Unselect col
- unselect_col(current_col);
-
- return matrix_changed;
-}
-
-static void select_col(uint8_t col)
-{
- uint8_t pin = col_pins[col];
- _SFR_IO8((pin >> 4) + 1) |= _BV(pin & 0xF); // OUT
- _SFR_IO8((pin >> 4) + 2) &= ~_BV(pin & 0xF); // LOW
-}
-
-static void unselect_col(uint8_t col)
-{
- uint8_t pin = col_pins[col];
- _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
- _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
-}
-
-static void unselect_cols(void)
-{
- for(uint8_t x = 0; x < MATRIX_COLS; x++) {
- uint8_t pin = col_pins[x];
- _SFR_IO8((pin >> 4) + 1) &= ~_BV(pin & 0xF); // IN
- _SFR_IO8((pin >> 4) + 2) |= _BV(pin & 0xF); // HI
- }
-}
-
-#endif
-
-//this replases tmk code
-void matrix_setup(void){
- i2c_slave_init(SLAVE_I2C_ADDRESS); //setup address of slave i2c
- sei(); //enable interupts
-}
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