88 lines
2.3 KiB
C
88 lines
2.3 KiB
C
/*
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Copyright 2023 Jun Wako <wakojun@gmail.com>
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Permission is hereby granted, free of charge, to any person obtaining a copy of
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this software and associated documentation files (the “Software”), to deal in
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the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do
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so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <stdint.h>
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#include <util/delay.h>
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#include "protocol/serial.h"
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#include "debug.h"
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#include "print.h"
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// Archimedes commands
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#define HRST 0xFF
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#define RAK1 0xFE
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#define RAK2 0xFD
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#define RQMP 0x22
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#define PRST 0x21
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#define RQID 0x20
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#define LEDS(stat) (0x00 | (stat & 0x7))
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#define RQPD(data) (0x40 | (data & 0xF))
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// Archimedes Replies
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#define BACK 0x3F
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#define NACK 0x30
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#define SACK 0x31
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#define MACK 0x32
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#define SMAK 0x33
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void matrix_init(void)
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{
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//debug_enable = true;
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serial_init();
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// wait for keyboard coming up
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// otherwise LED status update fails
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print("Archimedes starts.\n");
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print("Sending HRST(0xFF): ");
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return;
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}
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uint8_t matrix_scan(void)
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{
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//while (1) {
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print(".");
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serial_send(0xFF);
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_delay_ms(10);
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serial_send(RAK1);
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_delay_ms(10);
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serial_send(RAK2);
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_delay_ms(10);
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serial_send(SACK);
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_delay_ms(10);
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//serial_send(LEDS(0x5)); // ScrollLock and CapsLock
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//serial_send(LEDS(0x3)); // NumLock and CapsLock
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serial_send(LEDS(0x6)); // NumLock and CapsLock
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//serial_send(RQID);
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_delay_ms(500);
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//}
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}
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uint8_t matrix_get_row(uint8_t row)
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{
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// TODO
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return 0;
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}
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