mirror of
https://github.com/raphnet/dreamcast_usb
synced 2024-12-21 22:58:52 -05:00
Cleanup and license
This commit is contained in:
Raphaël Assénat
parent
64e8a750ec
commit
d92797a6ef
80
dc_pad.c
80
dc_pad.c
@ -1,5 +1,5 @@
|
||||
/* Saturn to USB : Sega dc controllers to USB adapter
|
||||
* Copyright (C) 2011-2013 Raphaël Assénat
|
||||
/* Dreamcast to USB : Sega dc controllers to USB adapter
|
||||
* Copyright (C) 2013 Raphaël Assénat
|
||||
*
|
||||
* 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
|
||||
@ -27,7 +27,7 @@
|
||||
#include "dc_pad.h"
|
||||
#include "maplebus.h"
|
||||
|
||||
#define MAX_REPORT_SIZE 4
|
||||
#define MAX_REPORT_SIZE 6
|
||||
#define NUM_REPORTS 1
|
||||
|
||||
// report matching the most recent bytes from the controller
|
||||
@ -36,7 +36,7 @@ static unsigned char last_built_report[NUM_REPORTS][MAX_REPORT_SIZE];
|
||||
// the most recently reported bytes
|
||||
static unsigned char last_sent_report[NUM_REPORTS][MAX_REPORT_SIZE];
|
||||
|
||||
static char report_sizes[NUM_REPORTS] = { 4 };
|
||||
static char report_sizes[NUM_REPORTS] = { 6 };
|
||||
static Gamepad dcGamepad;
|
||||
|
||||
static void dcUpdate(void);
|
||||
@ -44,8 +44,10 @@ static void dcUpdate(void);
|
||||
/*
|
||||
* [0] X
|
||||
* [1] Y
|
||||
* [2] Btn 0-7
|
||||
* [3] Btn 8-15
|
||||
* [2] Ltrig
|
||||
* [3] Rtrig
|
||||
* [4] Btn 0-7
|
||||
* [5] Btn 8-15
|
||||
*/
|
||||
static const unsigned char dcPadReport[] PROGMEM = {
|
||||
0x05, 0x01, // USAGE_PAGE (Generic Desktop)
|
||||
@ -55,10 +57,12 @@ static const unsigned char dcPadReport[] PROGMEM = {
|
||||
0xa1, 0x00, // COLLECTION (Physical)
|
||||
0x09, 0x30, // USAGE (X)
|
||||
0x09, 0x31, // USAGE (Y)
|
||||
0x09, 0x36, // USAGE (Slider)
|
||||
0x09, 0x36,
|
||||
0x15, 0x00, // LOGICAL_MINIMUM (0)
|
||||
0x26, 0xff, 0x00, // LOGICAL_MAXIMUM (255)
|
||||
0x75, 0x08, // REPORT_SIZE (8)
|
||||
0x95, 0x02, // REPORT_COUNT (2)
|
||||
0x95, 0x04, // REPORT_COUNT (4)
|
||||
0x81, 0x02, // INPUT (Data,Var,Abs)
|
||||
0x05, 0x09, // USAGE_PAGE (Button)
|
||||
0x19, 0x01, // USAGE_MINIMUM (Button 1)
|
||||
@ -105,68 +109,39 @@ static void dcInit(void)
|
||||
#define MAX_ERRORS 10
|
||||
|
||||
#define STATE_GET_INFO 0
|
||||
#define STATE_WRITE_LCD 1
|
||||
#define STATE_READ_PAD 2
|
||||
#define STATE_READ_PAD 1
|
||||
|
||||
#define MAPLE_CMD_RQ_DEV_INFO 1
|
||||
#define MAPLE_CMD_RESET_DEVICE 3
|
||||
#define MAPLE_CMD_GET_CONDITION 9
|
||||
#define MAPLE_CMD_BLOCK_WRITE 12
|
||||
|
||||
#define MAPLE_ADDR_PORT(id) ((id)<<6)
|
||||
#define MAPLE_ADDR_PORTA MAPLE_ADDR_PORT(0)
|
||||
#define MAPLE_ADDR_PORTB MAPLE_ADDR_PORT(1)
|
||||
#define MAPLE_ADDR_PORTC MAPLE_ADDR_PORT(2)
|
||||
#define MAPLE_ADDR_PORTD MAPLE_ADDR_PORT(3)
|
||||
#define MAPLE_ADDR_MAIN 0x20
|
||||
#define MAPLE_ADDR_SUB(id) ((1)<<id) /* where id is 0 to 4 */
|
||||
|
||||
#define MAPLE_DC_ADDR 0
|
||||
#define MAPLE_HEADER(cmd,dst_addr,src_addr,len) ( (((cmd)&0xfful)<<24) | (((dst_addr)&0xfful)<<16) | (((src_addr)&0xfful)<<8) | ((len)&0xff))
|
||||
|
||||
static uint32_t request_device_info[1] = { MAPLE_HEADER(MAPLE_CMD_RQ_DEV_INFO, MAPLE_ADDR_MAIN | MAPLE_ADDR_PORTA, MAPLE_DC_ADDR, 0) };
|
||||
static uint32_t get_condition[2] = { 0x09200001, 0x00000001 };
|
||||
static uint32_t block_write_lcd[4] = { 0x0c300003, 0x004, 0, 0xf0f0f0f0 };
|
||||
|
||||
static void dcReadPad(void)
|
||||
{
|
||||
static unsigned char state = STATE_GET_INFO;
|
||||
static unsigned char err_count = 0;
|
||||
static unsigned char controller_address = 0;
|
||||
unsigned char tmp[30];
|
||||
int v;
|
||||
|
||||
switch (state)
|
||||
{
|
||||
case STATE_GET_INFO:
|
||||
{
|
||||
uint32_t request_device_info[1] = { MAPLE_HEADER(MAPLE_CMD_RQ_DEV_INFO, MAPLE_ADDR_MAIN | MAPLE_ADDR_PORTA, MAPLE_DC_ADDR, 0) };
|
||||
maple_sendFrame(request_device_info, 1);
|
||||
v = maple_receivePacket(tmp, 30);
|
||||
// Too many data arrives and we stop listening before the controller stop transmitting. The delay
|
||||
// here is to wait until the bus is idle again before continuing.
|
||||
_delay_ms(2);
|
||||
if (v==-2) {
|
||||
controller_address = tmp[1]; // sender address
|
||||
state = STATE_WRITE_LCD;
|
||||
state = STATE_READ_PAD;
|
||||
}
|
||||
break;
|
||||
|
||||
case STATE_WRITE_LCD:
|
||||
{
|
||||
int i;
|
||||
|
||||
for (i=0; i<5; i++)
|
||||
{
|
||||
uint32_t request_device_info1[1] = { MAPLE_HEADER(MAPLE_CMD_RQ_DEV_INFO, MAPLE_ADDR_PORTA | MAPLE_ADDR_SUB(i), MAPLE_DC_ADDR, 0) };
|
||||
|
||||
if (controller_address & (1<<i)) {
|
||||
maple_sendFrame(request_device_info1, 1);
|
||||
_delay_us(300);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
break;
|
||||
|
||||
case STATE_READ_PAD:
|
||||
{
|
||||
uint32_t get_condition[2] = {
|
||||
MAPLE_HEADER(MAPLE_CMD_GET_CONDITION, MAPLE_ADDR_MAIN | MAPLE_ADDR_PORTA, MAPLE_DC_ADDR, 1),
|
||||
MAPLE_FUNC_CONTROLLER
|
||||
};
|
||||
|
||||
maple_sendFrame(get_condition, 2);
|
||||
v = maple_receivePacket(tmp, 30);
|
||||
if (v<=0) {
|
||||
@ -177,6 +152,8 @@ static void dcReadPad(void)
|
||||
}
|
||||
err_count = 0;
|
||||
|
||||
if (v < 16)
|
||||
return;
|
||||
|
||||
// 8 : Buttons
|
||||
// 9 : Buttons
|
||||
@ -188,8 +165,11 @@ static void dcReadPad(void)
|
||||
// 15 : Joy Y2 axis
|
||||
last_built_report[0][0] = tmp[12]-1;
|
||||
last_built_report[0][1] = tmp[13]-1;
|
||||
last_built_report[0][2] = tmp[8] ^ 0xff;
|
||||
last_built_report[0][3] = tmp[9] ^ 0xff;
|
||||
last_built_report[0][2] = tmp[10];
|
||||
last_built_report[0][3] = tmp[11];
|
||||
last_built_report[0][4] = tmp[8] ^ 0xff;
|
||||
last_built_report[0][5] = tmp[9] ^ 0xff;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
4
main.c
4
main.c
@ -1,5 +1,5 @@
|
||||
/* Saturn to USB : Sega saturn controllers to USB adapter
|
||||
* Copyright (C) 2011 Raphaël Assénat
|
||||
/* Dreamcast to USB : Sega dc controllers to USB adapter
|
||||
* Copyright (C) 2013 Raphaël Assénat
|
||||
*
|
||||
* 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
|
||||
|
||||
19
maplebus.c
19
maplebus.c
@ -1,3 +1,22 @@
|
||||
/* Dreamcast to USB : Sega dc controllers to USB adapter
|
||||
* Copyright (C) 2013 Raphaël Assénat
|
||||
*
|
||||
* 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, write to the Free Software Foundation, Inc.,
|
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
||||
*
|
||||
* The author may be contacted at raph@raphnet.net
|
||||
*/
|
||||
#include <avr/io.h>
|
||||
#include <util/delay.h>
|
||||
#include "usbdrv.h"
|
||||
|
||||
31
maplebus.h
31
maplebus.h
@ -1,7 +1,36 @@
|
||||
#ifndef _maplebus_h__
|
||||
#define _maplebus_h__
|
||||
|
||||
#include <stdint.h>
|
||||
/* Most of the information here is from
|
||||
* http://mc.pp.se/dc/maplebus.html
|
||||
*/
|
||||
|
||||
#define MAPLE_CMD_RQ_DEV_INFO 1
|
||||
#define MAPLE_CMD_RESET_DEVICE 3
|
||||
#define MAPLE_CMD_GET_CONDITION 9
|
||||
#define MAPLE_CMD_BLOCK_WRITE 12
|
||||
|
||||
#define MAPLE_FUNC_CONTROLLER 0x001
|
||||
#define MAPLE_FUNC_MEMCARD 0x002
|
||||
#define MAPLE_FUNC_LCD 0x004
|
||||
#define MAPLE_FUNC_CLOCK 0x008
|
||||
#define MAPLE_FUNC_MIC 0x010
|
||||
#define MAPLE_FUNC_AR_GUN 0x020
|
||||
#define MAPLE_FUNC_KEYBOARD 0x040
|
||||
#define MAPLE_FUNC_LIGHT_GUN 0x080
|
||||
#define MAPLE_FUNC_PURUPURU 0x100
|
||||
#define MAPLE_FUNC_MOUSE 0x200
|
||||
|
||||
#define MAPLE_ADDR_PORT(id) ((id)<<6)
|
||||
#define MAPLE_ADDR_PORTA MAPLE_ADDR_PORT(0)
|
||||
#define MAPLE_ADDR_PORTB MAPLE_ADDR_PORT(1)
|
||||
#define MAPLE_ADDR_PORTC MAPLE_ADDR_PORT(2)
|
||||
#define MAPLE_ADDR_PORTD MAPLE_ADDR_PORT(3)
|
||||
#define MAPLE_ADDR_MAIN 0x20
|
||||
#define MAPLE_ADDR_SUB(id) ((1)<<id) /* where id is 0 to 4 */
|
||||
|
||||
#define MAPLE_DC_ADDR 0
|
||||
#define MAPLE_HEADER(cmd,dst_addr,src_addr,len) ( (((cmd)&0xfful)<<24) | (((dst_addr)&0xfful)<<16) | (((src_addr)&0xfful)<<8) | ((len)&0xff))
|
||||
|
||||
void maple_init(void);
|
||||
void maple_sendPacket(unsigned char *data, unsigned char len);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user