b9c66ca0fd
Fixes #1682 Make the HID report wait up to 500ms for an existing one to go out before giving up sending a report.
50 lines
1.9 KiB
C
50 lines
1.9 KiB
C
/*
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Shared USB for the Raspberry Pi Pico RP2040
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Allows for multiple endpoints to share the USB controller
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Copyright (c) 2021 Earle F. Philhower, III <earlephilhower@yahoo.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library 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 GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <pico/mutex.h>
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// Weak function definitions for each type of endpoint
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extern void __USBInstallSerial() __attribute__((weak));
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extern void __USBInstallKeyboard() __attribute__((weak));
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extern void __USBInstallJoystick() __attribute__((weak));
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// One or the other allowed, not both
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extern void __USBInstallMouse() __attribute__((weak));
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extern void __USBInstallAbsoluteMouse() __attribute__((weak));
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extern void __USBInstallMassStorage() __attribute__((weak));
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// Big, global USB mutex, shared with all USB devices to make sure we don't
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// have multiple cores updating the TUSB state in parallel
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extern mutex_t __usb_mutex;
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// HID report ID inquiry (report ID will vary depending on the number/type of other HID)
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int __USBGetKeyboardReportID();
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int __USBGetMouseReportID();
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int __USBGetJoystickReportID();
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// Called by main() to init the USB HW/SW.
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void __USBStart();
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// Helper class for HID report sending with wait and timeout
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bool __USBHIDReady();
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