155 lines
3.3 KiB
C
155 lines
3.3 KiB
C
/*
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Copyright 2012,2023 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 <stdint.h>
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#include <stdbool.h>
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#include <avr/io.h>
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#include <util/delay.h>
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#include "print.h"
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#include "util.h"
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#include "serial.h"
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#include "matrix.h"
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#include "debug.h"
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#include "led.h"
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#include "hook.h"
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#include "wait.h"
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/*
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* Matrix Array usage:
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*
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* ROW: 16
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* COL:8
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*
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* 8bit wide
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* +---------+
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* 0|00 ... 07|
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* 1|08 ... 0F|
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* :| ... |
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* :| ... |
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* E|70 ... 77|
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* F|78 ... 7F|
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* +---------+
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*
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*/
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static uint8_t matrix[MATRIX_ROWS];
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#define ROW(code) ((code>>3)&0xF)
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#define COL(code) (code&0x07)
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static uint8_t news_led = 0;
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void matrix_init(void)
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{
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serial_init();
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// initialize matrix state: all keys off
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for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
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return;
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}
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static uint16_t send_cmd(uint8_t cmd)
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{
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int16_t ret = 0;
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xprintf("s%02X ", cmd);
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serial_send(cmd);
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wait_ms(10);
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int16_t c;
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while ((c = serial_recv2()) != -1) {
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if ((c != 0x7B) && (c != 0xFB)) {
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ret <<= 8;
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ret |= c & 0xFF;
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}
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xprintf("r%02X ", c);
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if (c == 0xFB) {
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xprintf("\n");
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return ret;
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}
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}
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return -1;
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}
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void hook_late_init(void)
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{
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/* Commands for starup
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* 82 is needed to enable LED command at least
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*
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* 80 Reset? turns LEDs off
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* FB
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* 81 replies whether LED command is enabled
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* 7B [00|01] FB
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* 82 enable LED command
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* 83 replies DIP switches status
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* 7B 00 0X FB
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*/
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send_cmd(0x80);
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send_cmd(0x82);
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send_cmd(0x81);
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send_cmd(0x83);
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}
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void tone(unsigned int frequency, unsigned long duration);
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void noTone(void);
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uint8_t matrix_scan(void)
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{
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static uint8_t sent_led = 0;
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int16_t code;
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code = serial_recv2();
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if (code == -1) {
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// update LED
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if (news_led != sent_led) {
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send_cmd(0xB0);
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send_cmd(news_led);
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sent_led = news_led;
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}
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return 0;
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}
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xprintf("%02X ", code);
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if (code&0x80) {
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// break code
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if (matrix_is_on(ROW(code), COL(code))) {
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matrix[ROW(code)] &= ~(1<<COL(code));
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}
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} else {
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// make code
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if (!matrix_is_on(ROW(code), COL(code))) {
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matrix[ROW(code)] |= (1<<COL(code));
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//tone(80, 100);
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}
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}
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return code;
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}
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inline
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uint8_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 led_set(uint8_t usb_led)
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{
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news_led = 0;
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if (usb_led & (1<<USB_LED_CAPS_LOCK))
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news_led |= 4;
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if (usb_led & (1<<USB_LED_NUM_LOCK))
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news_led |= 8;
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}
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