From 579991b927483da884b2f22d43e91bb8550cd534 Mon Sep 17 00:00:00 2001 From: tmk Date: Fri, 6 Jan 2012 01:37:33 +0900 Subject: added SONY NEWS keyboard NWP-5461 support. --- sony_usb/matrix.c | 141 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 141 insertions(+) create mode 100644 sony_usb/matrix.c (limited to 'sony_usb/matrix.c') diff --git a/sony_usb/matrix.c b/sony_usb/matrix.c new file mode 100644 index 000000000..bf363e7d9 --- /dev/null +++ b/sony_usb/matrix.c @@ -0,0 +1,141 @@ +/* +Copyright 2012 Jun Wako + +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 . +*/ + +#include +#include +#include +#include +#include "print.h" +#include "util.h" +#include "news.h" +#include "matrix.h" + + +/* + * Matrix Array usage: + * + * ROW: 16 + * COL:8 + * + * 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; + + +inline +uint8_t matrix_rows(void) +{ + return MATRIX_ROWS; +} + +inline +uint8_t matrix_cols(void) +{ + return MATRIX_COLS; +} + +void matrix_init(void) +{ + news_init(); + + // initialize matrix state: all keys off + for (uint8_t i=0; i < MATRIX_ROWS; i++) matrix[i] = 0x00; + + return; +} + +uint8_t matrix_scan(void) +{ + is_modified = false; + + uint8_t code; + code = news_recv(); + if (code == 0) { + return 0; + } + + phex(code); print(" "); + if (code&0x80) { + // break code + if (matrix_is_on(ROW(code), COL(code))) { + matrix[ROW(code)] &= ~(1<