mirror of
https://github.com/mist-devel/mist-firmware.git
synced 2026-02-24 23:48:10 +00:00
86 lines
2.6 KiB
C
86 lines
2.6 KiB
C
/*
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This file is part of MiST-firmware
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MiST-firmware is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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MiST-firmware is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "usb.h"
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#include "debug.h"
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#include "../utils.h"
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#include "../mist_cfg.h"
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#include "../state.h"
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static unsigned char joysticks = 0; // number of detected usb joysticks
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uint8_t joystick_count() {
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return joysticks;
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}
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uint8_t joystick_add() {
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StateNumJoysticksSet(joysticks+1);
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return joysticks++;
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}
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uint8_t joystick_index(uint8_t jindex) {
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// If DB9 joystick are preferred: USB joysticks are shifted to 2,3...
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if(mist_cfg.joystick_db9_fixed_index) {
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jindex += 2;
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}
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return jindex;
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}
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uint8_t joystick_release(uint8_t c_jindex) {
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// walk through all devices and search for sticks with a higher id
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// search for all joystick interfaces on all hid devices
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usb_device_t *dev = usb_get_devices();
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uint8_t j;
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for(j=0;j<USB_NUMDEVICES;j++) {
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if(dev[j].bAddress && (dev[j].class == &usb_hid_class)) {
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// search for joystick interfaces
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uint8_t k;
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for(k=0;k<MAX_IFACES;k++) {
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if(dev[j].hid_info.iface[k].device_type == HID_DEVICE_JOYSTICK) {
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uint8_t jindex = joystick_index(dev[j].hid_info.iface[k].jindex);
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if(jindex > c_jindex) {
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iprintf("decreasing joystick index of dev #%d from %d to %d\n", j,
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jindex, jindex-1);
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dev[j].hid_info.iface[k].jindex--;
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StateUsbIdSet( dev[j].vid, dev[j].pid, dev[j].hid_info.iface[k].conf.joystick_mouse.button_count, dev[j].hid_info.iface[k].jindex);
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}
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}
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}
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}
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if(dev[j].bAddress && (dev[j].class == &usb_xbox_class)) {
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uint8_t jindex = joystick_index(dev[j].xbox_info.jindex);
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if(jindex > c_jindex) {
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iprintf("Decreasing xbox index of dev #%d from %d to %d\n", j, jindex, jindex-1);
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dev[j].xbox_info.jindex--;
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StateUsbIdSet( dev[j].vid, dev[j].pid, 8/*button_count*/, dev[j].xbox_info.jindex);
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}
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}
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}
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// one less joystick in the system ...
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joysticks--;
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StateNumJoysticksSet(joysticks);
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if (joysticks < 6)
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StateUsbIdSet(0, 0, 0, joysticks);
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}
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