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Diffstat (limited to 'keyboards/converter/sun_usb/matrix.c')
| -rw-r--r-- | keyboards/converter/sun_usb/matrix.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/keyboards/converter/sun_usb/matrix.c b/keyboards/converter/sun_usb/matrix.c new file mode 100644 index 000000000..c379e8237 --- /dev/null +++ b/keyboards/converter/sun_usb/matrix.c @@ -0,0 +1,197 @@ +/* +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; +} |