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-rw-r--r--keyboard/hhkb_rn42/matrix.c191
1 files changed, 0 insertions, 191 deletions
diff --git a/keyboard/hhkb_rn42/matrix.c b/keyboard/hhkb_rn42/matrix.c
deleted file mode 100644
index c6c444ff52..0000000000
--- a/keyboard/hhkb_rn42/matrix.c
+++ /dev/null
@@ -1,191 +0,0 @@
-/*
-Copyright 2011 Jun Wako <wakojun@gmail.com>
-
-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/>.
-*/
-
-/*
- * scan matrix
- */
-#include <stdint.h>
-#include <stdbool.h>
-#include <util/delay.h>
-#include "print.h"
-#include "debug.h"
-#include "util.h"
-#include "timer.h"
-#include "matrix.h"
-#include "hhkb_avr.h"
-#include <avr/wdt.h>
-#include "suspend.h"
-#include "lufa.h"
-
-
-// matrix power saving
-#define MATRIX_POWER_SAVE 10000
-static uint32_t matrix_last_modified = 0;
-static bool matrix_power = true;
-
-// matrix state buffer(1:on, 0:off)
-static matrix_row_t *matrix;
-static matrix_row_t *matrix_prev;
-static matrix_row_t _matrix0[MATRIX_ROWS];
-static matrix_row_t _matrix1[MATRIX_ROWS];
-
-
-inline
-uint8_t matrix_rows(void)
-{
- return MATRIX_ROWS;
-}
-
-inline
-uint8_t matrix_cols(void)
-{
- return MATRIX_COLS;
-}
-
-void matrix_init(void)
-{
-#ifdef DEBUG
- debug_enable = true;
- debug_keyboard = true;
-#endif
-
- KEY_INIT();
-
- // initialize matrix state: all keys off
- for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix0[i] = 0x00;
- for (uint8_t i=0; i < MATRIX_ROWS; i++) _matrix1[i] = 0x00;
- matrix = _matrix0;
- matrix_prev = _matrix1;
-}
-
-uint8_t matrix_scan(void)
-{
- uint8_t *tmp;
-
- tmp = matrix_prev;
- matrix_prev = matrix;
- matrix = tmp;
-
- matrix_power_up();
- for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
- for (uint8_t col = 0; col < MATRIX_COLS; col++) {
- KEY_SELECT(row, col);
- _delay_us(5);
-
- // Not sure this is needed. This just emulates HHKB controller's behaviour.
- if (matrix_prev[row] & (1<<col)) {
- KEY_PREV_ON();
- }
- _delay_us(10);
-
- // NOTE: KEY_STATE is valid only in 20us after KEY_ENABLE.
- // If V-USB interrupts in this section we could lose 40us or so
- // and would read invalid value from KEY_STATE.
- uint8_t last = TIMER_RAW;
-
- KEY_ENABLE();
-
- // Wait for KEY_STATE outputs its value.
- // 1us was ok on one HHKB, but not worked on another.
- // no wait doesn't work on Teensy++ with pro(1us works)
- // no wait does work on tmk PCB(8MHz) with pro2
- // 1us wait does work on both of above
- // 1us wait doesn't work on tmk(16MHz)
- // 5us wait does work on tmk(16MHz)
- // 5us wait does work on tmk(16MHz/2)
- // 5us wait does work on tmk(8MHz)
- // 10us wait does work on Teensy++ with pro
- // 10us wait does work on 328p+iwrap with pro
- // 10us wait doesn't work on tmk PCB(8MHz) with pro2(very lagged scan)
- _delay_us(5);
-
- if (KEY_STATE()) {
- matrix[row] &= ~(1<<col);
- } else {
- matrix[row] |= (1<<col);
- }
-
- // Ignore if this code region execution time elapses more than 20us.
- // MEMO: 20[us] * (TIMER_RAW_FREQ / 1000000)[count per us]
- // MEMO: then change above using this rule: a/(b/c) = a*1/(b/c) = a*(c/b)
- if (TIMER_DIFF_RAW(TIMER_RAW, last) > 20/(1000000/TIMER_RAW_FREQ)) {
- matrix[row] = matrix_prev[row];
- }
-
- _delay_us(5);
- KEY_PREV_OFF();
- KEY_UNABLE();
-
- // NOTE: KEY_STATE keep its state in 20us after KEY_ENABLE.
- // This takes 25us or more to make sure KEY_STATE returns to idle state.
- _delay_us(75);
- }
- if (matrix[row] ^ matrix_prev[row]) matrix_last_modified = timer_read32();
- }
- matrix_power_down();
- return 1;
-}
-
-bool matrix_is_modified(void)
-{
- for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
- if (matrix[i] != matrix_prev[i])
- return true;
- }
- return false;
-}
-
-inline
-bool matrix_has_ghost(void)
-{
- return false;
-}
-
-inline
-bool matrix_is_on(uint8_t row, uint8_t col)
-{
- return (matrix[row] & (1<<col));
-}
-
-inline
-matrix_row_t matrix_get_row(uint8_t row)
-{
- return matrix[row];
-}
-
-void matrix_print(void)
-{
- print("\nr/c 01234567\n");
- for (uint8_t row = 0; row < matrix_rows(); row++) {
- xprintf("%02X: %08b\n", row, bitrev(matrix_get_row(row)));
- }
-}
-
-void matrix_power_up(void) {
- if (matrix_power) return;
- KEY_POWER_ON();
- matrix_power = true;
-}
-void matrix_power_down(void) {
- if (!matrix_power) return;
- // doesn't power save while USB connection is active
- if (USB_DeviceState == DEVICE_STATE_Configured) return;
- if (timer_elapsed32(matrix_last_modified) <= MATRIX_POWER_SAVE) return;
- KEY_POWER_OFF();
- suspend_power_down(WDTO_15MS);
- matrix_power = false;
-}