128 lines
3.4 KiB
C++
128 lines
3.4 KiB
C++
/* -*- mode: c++ -*-
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* Kaleidoscope
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* Copyright (C) 2019 noseglasses (shinynoseglasses@gmail.com)
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*
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* This program 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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*
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* This program 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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*
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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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#pragma once
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#include <stdint.h>
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// This file contains only stub implementation.
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// The content is in great parts copied from
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// arduino/avr/cores/arduino/PluggableUSB.*
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struct InterfaceDescriptor {
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template<typename..._Dummy>
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InterfaceDescriptor(_Dummy...) {}
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};
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struct EndpointDescriptor {
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template<typename..._Dummy>
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EndpointDescriptor(_Dummy...) {}
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};
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struct USBSetup;
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class PluggableUSBModule {
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public:
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PluggableUSBModule(uint8_t numEps, uint8_t numIfs, uint8_t *epType) :
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numEndpoints(numEps), numInterfaces(numIfs), endpointType(epType)
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{ }
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protected:
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virtual bool setup(USBSetup &setup) = 0;
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virtual int getInterface(uint8_t *interfaceCount) = 0;
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virtual int getDescriptor(USBSetup &setup) = 0;
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virtual uint8_t getShortName(char *name) {
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name[0] = 'A' + pluggedInterface;
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return 1;
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}
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uint8_t pluggedInterface = 0;
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uint8_t pluggedEndpoint;
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const uint8_t numEndpoints;
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const uint8_t numInterfaces;
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const uint8_t *endpointType;
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PluggableUSBModule *next = nullptr;
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friend class PluggableUSB_;
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};
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class PluggableUSB_ {
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public:
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PluggableUSB_() {}
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bool plug(PluggableUSBModule *node) {
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return true;
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}
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int getInterface(uint8_t *interfaceCount) {
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return 1;
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}
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int getDescriptor(USBSetup &setup) {
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return 1;
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}
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bool setup(USBSetup &setup) {
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return true;
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}
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void getShortName(char *iSerialNum) {}
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};
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// Replacement for global singleton.
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// This function prevents static-initialization-order-fiasco
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// https://isocpp.org/wiki/faq/ctors#static-init-order-on-first-use
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PluggableUSB_ &PluggableUSB();
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#define EP_TYPE_INTERRUPT_IN 1
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#define USB_DEVICE_CLASS_HUMAN_INTERFACE 1
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#define D_INTERFACE(_n,_numEndpoints,_class,_subClass,_protocol) \
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{ 9, 4, _n, 0, _numEndpoints, _class,_subClass, _protocol, 0 }
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#define USB_ENDPOINT_IN(addr) (lowByte((addr) | 0x80))
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#define USB_ENDPOINT_TYPE_INTERRUPT 0x03
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#define USB_EP_SIZE 1
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#define D_ENDPOINT(_addr,_attr,_packetSize, _interval) \
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{ 7, 5, _addr,_attr,_packetSize, _interval }
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#define REQUEST_DEVICETOHOST_STANDARD_INTERFACE 0
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#define REQUEST_DEVICETOHOST_CLASS_INTERFACE 0
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#define REQUEST_HOSTTODEVICE_CLASS_INTERFACE 0
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#define TRANSFER_PGM 0
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#define TRANSFER_RELEASE 0
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inline
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int USB_SendControl(uint8_t flags, const void *d, int len) {
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return 1;
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}
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inline
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int USB_RecvControl(void *d, int len) {
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return 0;
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}
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inline
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int USB_Send(uint8_t ep, const void *data, int len) {
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return 0;
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}
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struct USBSetup {
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uint8_t bmRequestType = REQUEST_DEVICETOHOST_CLASS_INTERFACE;
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uint8_t bRequest = 0x01; //HID_GET_REPORT;
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uint8_t wValueL;
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uint8_t wValueH = 0x21; //HID_REPORT_DESCRIPTOR_TYPE
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uint16_t wIndex = 0;
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uint16_t wLength;
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};
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