opensteno_qmk/keyboards/converter/sun_usb/matrix.c
Yann Hodique 52ecc76e28 port sun_usb converter from tmk
initial import
2018-10-12 10:26:58 -07:00

197 lines
4.1 KiB
C

/*
Copyright 2012 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/>.
*/
#include QMK_KEYBOARD_H
#include "protocol/serial.h"
/*
* Matrix Array usage:
*
* ROW: 16(4bits)
* COL: 8(3bits)
*
* 8bit wide
* +---------+
* 0|00 ... 07|
* 1|08 ... 0F|
* :| ... |
* :| ... |
* E|70 ... 77|
* F|78 ... 7F|
* +---------+
*/
static uint8_t matrix[MATRIX_ROWS];
#define ROW(code) ((code>>3)&0xF)
#define COL(code) (code&0x07)
static bool is_modified = false;
__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)
{
/* DDRD |= (1<<6); */
/* PORTD |= (1<<6); */
debug_enable = true;
serial_init();
// initialize matrix state: all keys off
for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
/* // wait for keyboard coming up */
/* // otherwise LED status update fails */
/* print("Reseting "); */
/* while (1) { */
/* print("."); */
/* while (serial_recv()); */
/* serial_send(0x01); */
/* _delay_ms(500); */
/* if (serial_recv() == 0xFF) { */
/* _delay_ms(500); */
/* if (serial_recv() == 0x04) */
/* break; */
/* } */
/* } */
/* print(" Done\n"); */
/* PORTD &= ~(1<<6); */
matrix_init_quantum();
return;
}
uint8_t matrix_scan(void)
{
uint8_t code;
code = serial_recv();
if (!code) return 0;
debug_hex(code); debug(" ");
switch (code) {
case 0xFF: // reset success: FF 04
print("reset: ");
_delay_ms(500);
code = serial_recv();
xprintf("%02X\n", code);
if (code == 0x04) {
// LED status
led_set(host_keyboard_leds());
}
return 0;
case 0xFE: // layout: FE <layout>
print("layout: ");
_delay_ms(500);
xprintf("%02X\n", serial_recv());
return 0;
case 0x7E: // reset fail: 7E 01
print("reset fail: ");
_delay_ms(500);
xprintf("%02X\n", serial_recv());
return 0;
case 0x7F:
// all keys up
for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00;
return 0;
}
if (code&0x80) {
// break code
if (matrix_is_on(ROW(code), COL(code))) {
matrix[ROW(code)] &= ~(1<<COL(code));
}
} else {
// make code
if (!matrix_is_on(ROW(code), COL(code))) {
matrix[ROW(code)] |= (1<<COL(code));
}
}
matrix_scan_quantum();
return code;
}
bool matrix_is_modified(void)
{
return is_modified;
}
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
uint8_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++) {
phex(row); print(": ");
pbin_reverse(matrix_get_row(row));
print("\n");
}
}
uint8_t matrix_key_count(void)
{
uint8_t count = 0;
for (uint8_t i = 0; i < MATRIX_ROWS; i++) {
count += bitpop(matrix[i]);
}
return count;
}