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authorJames Young <18669334+noroadsleft@users.noreply.github.com>2020-05-30 13:14:59 -0700
committerGitHub <noreply@github.com>2020-05-30 13:14:59 -0700
commitfced377ac007d27f2650ccffbe0b18abcdcfe23d (patch)
treebd5b141987394a5a16cfc416bfe2b9efdb14d067 /keyboards/hhkb/jp/matrix.c
parent7b8a013826ad90714a05ea522de53adf964ab3b9 (diff)
2020 May 30 Breaking Changes Update (#9215)
* Branch point for 2020 May 30 Breaking Change * Migrate `ACTION_LAYER_TOGGLE` to `TG()` (#8954) * Migrate `ACTION_MODS_ONESHOT` to `OSM()` (#8957) * Migrate `ACTION_DEFAULT_LAYER_SET` to `DF()` (#8958) * Migrate `ACTION_LAYER_MODS` to `LM()` (#8959) * Migrate `ACTION_MODS_TAP_KEY` to `MT()` (#8968) * Convert V-USB usbdrv to a submodule (#8321) * Unify Tap Hold functions and documentation (#8348) * Changing board names to prevent confusion (#8412) * Move the Keyboardio Model01 to a keyboardio/ subdir (#8499) * Move spaceman keyboards (#8830) * Migrate miscellaneous `fn_actions` entries (#8977) * Migrate `ACTION_MODS_KEY` to chained mod keycodes (#8979) * Organizing my keyboards (plaid, tartan, ergoinu) (#8537) * Refactor Lily58 to use split_common (#6260) * Refactor zinc to use split_common (#7114) * Add a message if bin/qmk doesn't work (#9000) * Fix conflicting types for 'tfp_printf' (#8269) * Fixed RGB_DISABLE_AFTER_TIMEOUT to be seconds based & small internals cleanup (#6480) * Refactor and updates to TKC1800 code (#8472) * Switch to qmk forks for everything (#9019) * audio refactor: replace deprecated PLAY_NOTE_ARRAY (#8484) * Audio enable corrections (2/3) (#8903) * Split HHKB to ANSI and JP layouts and Add VIA support for each (#8582) * Audio enable corrections (Part 4) (#8974) * Fix typo from PR7114 (#9171) * Augment future branch Changelogs (#8978) * Revert "Branch point for 2020 May 30 Breaking Change"
Diffstat (limited to 'keyboards/hhkb/jp/matrix.c')
-rw-r--r--keyboards/hhkb/jp/matrix.c212
1 files changed, 212 insertions, 0 deletions
diff --git a/keyboards/hhkb/jp/matrix.c b/keyboards/hhkb/jp/matrix.c
new file mode 100644
index 0000000000..437356af6d
--- /dev/null
+++ b/keyboards/hhkb/jp/matrix.c
@@ -0,0 +1,212 @@
+/*
+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;
+
+// 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;
+}
+
+__attribute__ ((weak))
+void matrix_scan_user(void) {
+}
+
+void matrix_scan_kb(void) {
+ matrix_scan_user();
+}
+
+uint8_t matrix_scan(void)
+{
+ uint8_t *tmp;
+
+ tmp = matrix_prev;
+ matrix_prev = matrix;
+ matrix = tmp;
+
+ // power on
+ if (!KEY_POWER_STATE()) KEY_POWER_ON();
+ 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.
+
+ // Looks like JP needs faster scan due to its twice larger matrix
+ // or it can drop keys in fast key typing
+ _delay_us(30);
+ }
+ if (matrix[row] ^ matrix_prev[row]) matrix_last_modified = timer_read32();
+ }
+ // power off
+ if (KEY_POWER_STATE() &&
+ (USB_DeviceState == DEVICE_STATE_Suspended ||
+ USB_DeviceState == DEVICE_STATE_Unattached ) &&
+ timer_elapsed32(matrix_last_modified) > MATRIX_POWER_SAVE) {
+ KEY_POWER_OFF();
+ suspend_power_down();
+ }
+
+ matrix_scan_quantum();
+
+ 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)));
+ }
+}
+
+uint8_t matrix_key_count(void) {
+ uint8_t count = 0;
+ for (int8_t r = MATRIX_ROWS - 1; r >= 0; --r) {
+ count += bitpop16(matrix_get_row(r));
+ }
+ return count;
+}
+
+void matrix_power_up(void) {
+ KEY_POWER_ON();
+}
+void matrix_power_down(void) {
+ KEY_POWER_OFF();
+}