235 lines
7.3 KiB
C
235 lines
7.3 KiB
C
/*
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Copyright 2012 Jun Wako <wakojun@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 "ch.h"
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#include "hal.h"
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/*
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* scan matrix
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*/
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#include "print.h"
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#include "debug.h"
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#include "util.h"
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#include "wait.h"
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#include "matrix.h"
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#include "led.h"
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#include "keymap.h"
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#include "timer.h"
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/* Matrix
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* COL: input with pullup to sense
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* PTD6 PTD5 PTD4 PTD3 PTA19 PTA18 PTA4 PTA2 PTA1 PTE25 PTE24 PTE30 PTE29 PTE21
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*
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* ROW: output low to strobe
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* PTB3 PTB16 PTB17 PTC0 PTC1
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*
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* State(1:on, 0:off)
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*/
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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 bool debouncing = false;
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static uint16_t debouncing_time = 0;
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inline
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uint8_t matrix_rows(void)
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{
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return MATRIX_ROWS;
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}
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inline
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uint8_t matrix_cols(void)
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{
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return MATRIX_COLS;
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}
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void matrix_init(void)
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{
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debug_matrix = true;
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memset(matrix, 0, MATRIX_ROWS);
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memset(matrix_debouncing, 0, MATRIX_ROWS);
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// COL: internal pull-up
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palSetPadMode(GPIOD, 6, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOD, 5, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOD, 4, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOD, 3, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOA, 19, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOA, 18, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOA, 4, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOA, 2, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOA, 1, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOE, 25, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOE, 24, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOE, 30, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOE, 29, PAL_MODE_INPUT_PULLUP);
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palSetPadMode(GPIOE, 21, PAL_MODE_INPUT_PULLUP);
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// ROW: Output high
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palSetPadMode(GPIOB, 3, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOB, 16, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOB, 17, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOC, 0, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPadMode(GPIOC, 1, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPad(GPIOB, 3);
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palSetPad(GPIOB, 16);
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palSetPad(GPIOB, 17);
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palSetPad(GPIOC, 0);
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palSetPad(GPIOC, 1);
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// LED blink
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palSetPadMode(GPIOD, 7, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPad(GPIOD, 7);
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chThdSleepMilliseconds(200);
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palClearPad(GPIOD, 7);
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chThdSleepMilliseconds(200);
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palSetPad(GPIOD, 7);
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chThdSleepMilliseconds(200);
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palClearPad(GPIOD, 7);
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}
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uint8_t matrix_scan(void)
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{
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for (int row = 0; row < MATRIX_ROWS; row++) {
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matrix_row_t data = 0;
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// strobe row
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switch (row) {
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case 0: palClearPad(GPIOB, 3); break;
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case 1: palClearPad(GPIOB, 16); break;
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case 2: palClearPad(GPIOB, 17); break;
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case 3: palClearPad(GPIOC, 0); break;
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case 4: palClearPad(GPIOC, 1); break;
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}
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//wait_us(1);
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//chThdSleepMicroseconds(1); // TODO: sleep around 1ms for some reason
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//chThdSleepMilliseconds(1); // seems to work correctly
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data = (!palReadPad(GPIOD, 6) << 0UL) |
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(!palReadPad(GPIOD, 5) << 1UL) |
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(!palReadPad(GPIOD, 4) << 2UL) |
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(!palReadPad(GPIOD, 3) << 3UL) |
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(!palReadPad(GPIOA, 19) << 4UL) |
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(!palReadPad(GPIOA, 18) << 5UL) |
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(!palReadPad(GPIOA, 4) << 6UL) |
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(!palReadPad(GPIOA, 2) << 7UL) |
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(!palReadPad(GPIOA, 1) << 8UL) |
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(!palReadPad(GPIOE, 25) << 9UL) |
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(!palReadPad(GPIOE, 24) << 10UL) |
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(!palReadPad(GPIOE, 30) << 11UL) |
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(!palReadPad(GPIOE, 29) << 12UL) |
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(!palReadPad(GPIOE, 21) << 13UL);
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// unstrobe row
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switch (row) {
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case 0: palSetPad(GPIOB, 3); break;
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case 1: palSetPad(GPIOB, 16); break;
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case 2: palSetPad(GPIOB, 17); break;
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case 3: palSetPad(GPIOC, 0); break;
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case 4: palSetPad(GPIOC, 1); break;
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}
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if (matrix_debouncing[row] != data) {
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matrix_debouncing[row] = data;
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debouncing = true;
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debouncing_time = timer_read();
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}
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}
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if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) {
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for (int row = 0; row < MATRIX_ROWS; row++) {
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matrix[row] = matrix_debouncing[row];
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}
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debouncing = false;
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}
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return 1;
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}
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inline
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bool matrix_is_on(uint8_t row, uint8_t col)
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{
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return (matrix[row] & (1<<col));
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}
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inline
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matrix_row_t matrix_get_row(uint8_t row)
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{
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return matrix[row];
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}
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void matrix_print(void)
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{
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return;
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xprintf("\nr/c 0123456789ABCDEF\n");
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) {
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xprintf("%02X: ", row);
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matrix_row_t data = matrix_get_row(row);
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for (int col = 0; col < MATRIX_COLS; col++) {
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if (data & (1<<col))
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xprintf("1");
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else
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xprintf("0");
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}
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xprintf("\n");
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}
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}
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//
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// LED
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//
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void led_set(uint8_t usb_led) {
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if (usb_led & (1<<USB_LED_CAPS_LOCK)) {
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// output high
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palSetPadMode(GPIOD, 7, PAL_MODE_OUTPUT_PUSHPULL);
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palSetPad(GPIOD, 7);
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} else {
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// Hi-Z
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palSetPadMode(GPIOD, 7, PAL_MODE_INPUT);
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}
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}
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//
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// Keymap
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//
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const uint8_t keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
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[0] = {
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{ KC_ESC, KC_1, KC_2, KC_3, KC_4, KC_5, KC_6, KC_7, KC_8, KC_9, KC_0, KC_MINS, KC_EQL, KC_BSLS },
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{ KC_TAB, KC_Q, KC_W, KC_E, KC_R, KC_T, KC_Y, KC_U, KC_I, KC_O, KC_P, KC_LBRC, KC_RBRC, KC_BSPC },
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{ KC_LCTL, KC_A, KC_S, KC_D, KC_F, KC_G, KC_H, KC_J, KC_K, KC_L, KC_SCLN, KC_QUOT, KC_ENT, KC_NO },
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{ KC_LSFT, KC_Z, KC_X, KC_C, KC_V, KC_B, KC_N, KC_M, KC_COMM, KC_DOT, KC_SLSH, KC_RSFT, KC_NO, KC_FN0 },
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{ KC_LCTL, KC_LGUI, KC_LALT, KC_NO, KC_SPC, KC_NO, KC_NO, KC_NO, KC_NLCK, KC_CAPS, KC_MENU, KC_RALT, KC_RGUI, KC_RCTL },
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},
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[1] = {
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{ KC_ESC, KC_F1, KC_F2, KC_F3, KC_F4, KC_F5, KC_F6, KC_F7, KC_F8, KC_F9, KC_F10, KC_F11, KC_F12, KC_DEL },
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{ KC_CAPS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_PSCR, KC_SLCK, KC_PAUS, KC_UP, KC_INS, KC_TRNS },
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{ KC_TRNS, KC_VOLD, KC_VOLU, KC_MUTE, KC_TRNS, KC_TRNS, KC_PAST, KC_PSLS, KC_HOME, KC_PGUP, KC_LEFT, KC_RGHT, KC_PENT, KC_TRNS },
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{ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_PPLS, KC_PMNS, KC_END, KC_PGDN, KC_DOWN, KC_TRNS, KC_TRNS, KC_TRNS },
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{ KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS, KC_TRNS },
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},
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};
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const action_t fn_actions[] = {
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[0] = ACTION_LAYER_TAP_KEY(1, KC_GRV),
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};
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